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Kršík, Jakub, and Jarmila Křiváková. "Numerical Model of Plate from Hollow Core Panels with Contact – Target Pairs." Key Engineering Materials 592-593 (November 2013): 213–16. http://dx.doi.org/10.4028/www.scientific.net/kem.592-593.213.
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The objective of this paper is the numerical modeling of elastically supported plate created from pre-stressed hollow core panels of Spiroll type by ANSYS program. Elasticity of supports is achieved by support beams, which are connected to plate by contact target pairs. Calculation is executed in time steps, which correspond to real loading steps. Evaluations of deformation in selected sections of the slab are presented, too.
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Zarrinmehr, Saied, Mahmood Ettehad, Negar Kalantar, Alireza Borhani, Shinjiro Sueda, and Ergun Akleman. "Interlocked archimedean spirals for conversion of planar rigid panels into locally flexible panels with stiffness control." Computers & Graphics 66 (August 2017): 93–102. http://dx.doi.org/10.1016/j.cag.2017.05.010.
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Allard, F., A. Batten, E. Budding, E. Devinney, P. Eggleton, A. Hatzes, I. Hubeny, et al. "Panel Discussion III." Proceedings of the International Astronomical Union 7, S282 (July 2011): 501–6. http://dx.doi.org/10.1017/s1743921311028274.
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I. Hubeny Does anyone from the panel have a theme question to start with today?V. Trimble It's another one-liner: From an active galaxy meeting many years ago when people talked about spiral structure. I was reminded by Dr. Rucinski's talk of Lodewijk Woltjer's remark: “The larger our ignorance, the stronger the magnetic field.”
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Chen, Hsuan-Ting. "Spiral of silence on social media and the moderating role of disagreement and publicness in the network: Analyzing expressive and withdrawal behaviors." New Media & Society 20, no. 10 (March 27, 2018): 3917–36. http://dx.doi.org/10.1177/1461444818763384.
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Using two-wave panel data from Hong Kong, this study examines the spiral of silence process on social media. It extends the theoretical framework by including both supporting and disagreeing opinion expression and examining not only expressive but also withdrawal behaviors on social media. This study also investigates the moderating roles of disagreement and publicness as two affordances on social media that influence the spiral of silence process. Results from the moderated mediation model with a panel lagged and autoregressive analysis suggest that fear of social isolation (FSI) has an indirect effect on discouraging disagreeing opinion expression but not supporting opinion expression and on encouraging withdrawal behaviors through enhancing willingness to self-censor (WTSC) on social media. This indirect effect is contingent on the levels of disagreement and publicness in one’s network. Higher levels of disagreement and publicness promote the spiral of silence. Implications of the findings are discussed.
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Schemer, Christian. "Reinforcing Spirals of Negative Affects and Selective Attention to Advertising in a Political Campaign." Communication Research 39, no. 3 (November 17, 2011): 413–34. http://dx.doi.org/10.1177/0093650211427141.
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The present study investigates self-reinforcing spirals processes between the negative affect toward asylum seekers and the attention to political advertising in a campaign dealing with the issue of the asylum law restriction. Based on data from a three-wave panel survey, the study found evidence of such reciprocal influences. Specifically, the initial attention to political advertising elicited negative affective reactions, such as fear or anxiety toward asylum seekers in the course of the campaign. At the same time, these affective reactions enhanced people’s attention to subsequent political ads. Not only do the findings indicate the presence of reinforcing spirals processes but also do the data suggest that the spirals process is mainly fueled by cues emanating from the political campaign.
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Chen, Penghui, Longxia He, Xiuhong Pang, Xiaowen Wang, Tao Yang, and Hao Wu. "NLRP3 Is Expressed in the Spiral Ganglion Neurons and Associated with Both Syndromic and Nonsyndromic Sensorineural Deafness." Neural Plasticity 2016 (2016): 1–6. http://dx.doi.org/10.1155/2016/3018132.
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Nonsyndromic deafness is genetically heterogeneous but phenotypically similar among many cases. Though a variety of targeted next-generation sequencing (NGS) panels has been recently developed to facilitate genetic screening of nonsyndromic deafness, some syndromic deafness genes outside the panels may lead to clinical phenotypes similar to nonsyndromic deafness. In this study, we performed comprehensive genetic screening in a dominant family in which the proband was initially diagnosed with nonsyndromic deafness. No pathogenic mutation was identified by targeted NGS in 72 nonsyndromic and another 72 syndromic deafness genes. Whole exome sequencing, however, identified a p.E313K mutation in NLRP3, a gene reported to cause syndromic deafness Muckle-Wells Syndrome (MWS) but not included in any targeted NGS panels for deafness in previous reports. Follow-up clinical evaluation revealed only minor inflammatory symptoms in addition to deafness in six of the nine affected members, while the rest, three affected members, including the proband had no obvious MWS-related inflammatory symptoms. Immunostaining of the mouse cochlea showed a strong expression of NLRP3 in the spiral ganglion neurons. Our results suggested that NLRP3 may have specific function in the spiral ganglion neurons and can be associated with both syndromic and nonsyndromic sensorineural deafness.
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Hakanen, Jari J., Maria C. W. Peeters, and Riku Perhoniemi. "Enrichment processes and gain spirals at work and at home: A 3-year cross-lagged panel study." Journal of Occupational and Organizational Psychology 84, no. 1 (January 24, 2011): 8–30. http://dx.doi.org/10.1111/j.2044-8325.2010.02014.x.
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Dahlgren, Peter M., Adam Shehata, and Jesper Strömbäck. "Reinforcing spirals at work? Mutual influences between selective news exposure and ideological leaning." European Journal of Communication 34, no. 2 (February 21, 2019): 159–74. http://dx.doi.org/10.1177/0267323119830056.
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The growth of partisan news sources has raised concerns that people will increasingly select attitude-consistent information, which might lead to increasing political polarization. Thus far, there is limited research on the long-term mutual influences between selective exposure and political attitudes. To remedy this, this study investigates the reciprocal influences between selective exposure and political attitudes over several years, using a three-wave panel survey conducted in Sweden during 2014–2016. More specifically, we analyse how ideological selective exposure to both traditional and online news media influences citizens’ ideological leaning. Findings suggest that (1) people seek-out ideologically consistent print news and online news and (2) such attitude-consistent news exposure reinforces citizens’ ideological leaning over time. In practice, however, such reinforcement effects are hampered by (3) relatively low overall ideological selective exposure and a (4) significant degree of cross-cutting news exposure online. These findings are discussed in light of selective exposure theory and the reinforcing spirals model.
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Tian, Zhao-yan, and Qun Xie. "Numerical analysis on seismic behavior of a novel sandwich wall system." E3S Web of Conferences 136 (2019): 04071. http://dx.doi.org/10.1051/e3sconf/201913604071.
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Concrete sandwich panel is a kind of building element with the characteristics of light weight, high strength, suitability for standardized production, meanwhile it has the multi-function of heat preservation and sound insulation which can be used not only as enclosure components, but also as structural components for multi-story residential buildings. A novel sandwich wall system has been presented in this work with an innovative design concept. Compared with traditional steel wire sandwich panel, this sandwich panel wall system has unique features such as prefabricated steel system, core column with spiral stirrup, foamed concrete as insulation layer. This wall system also meets the national policy requirements in energy-saving and has potential application and development prospects. In this paper, Finite element method is used to simulate and analyze the seismic performance of this new sandwich wall panel. The results show that the panel with 3D steel wire has greater stiffness and better earthquake resistance than panel with planar steel wire mesh.
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Liu, Shouqian, and Zhan Song. "High Temperature Performance of a prefabricated concrete sandwich panel." E3S Web of Conferences 233 (2021): 03028. http://dx.doi.org/10.1051/e3sconf/202123303028.
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The innovative sandwich wall panel studied in this paper can be used as the load-bearing member of the structure. In addition to the traditional sandwich panel structure, the new panel system also has the characteristics of spiral stirrups along the section of the core column, 650mm column spacing, foam concrete for insulation layer and self-compacting concrete for outer layer. In addition, in order to improve the overall strength and stiffness of the panel, a unique wire system consisting of two vertical wire mesh connected by a short horizontal steel bar is adopted in the concrete layer. In order to study the mechanical properties of the new panel system at high temperature, ABAQUS simulation was carried out. The simulation results show that the new precast concrete sandwich wall system has good resistance to high temperature and still has good bearing capacity after high temperature.
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Guidice, Rebecca M., Donald C. Barnes, and Brian R. Kinard. "Delight spirals: the cause and consequence of employee perceived customer delight." Journal of Service Theory and Practice 30, no. 2 (March 9, 2020): 149–70. http://dx.doi.org/10.1108/jstp-05-2019-0126.
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PurposeWith increasing competition in the marketplace, there is a greater push for exceeding customer expectations and delivering customer delight to ensure firm’s success. The main reason for this push is the beneficial outcomes for the firm. More recently, hidden benefits have been identified (i.e. elevated customer emotions can positively impact other customers and employees in the service environment). Adding to this developing literature, the current research develops a model that links antecedents and outcomes to employee perceptions of customer delight.Design/methodology/approachBoth field and panel data, as well as multiple statistical methods, were utilized to test the hypothesized relationships. The field data were collected from employees of a national specialty retailer.FindingsService climate and interpersonal influence have a positive impact on customer delight and employee perceptions of customer delight. In turn, employee perceptions of customer delight positively impact harmonious passion and job dedication. In addition, accountability for pleasing customers is a significant moderator of the relationship between employee perceptions of customer delight and harmonious passion, but not between employee perceptions of customer delight and job dedication.Research limitations/implicationsThis research contributes to the ongoing debate on the viability of customer delight as a service standard by investigating the under-studied perspective of the frontline employee.Practical implicationsThis research contributes to the debate on the value of customer delight as a service standard by investigating the under-studied perspective of the frontline employee. A key takeaway for practitioners is how to create and manage the delight spirals that can occur when customers are delighted.Originality/valueThis is the first study that evaluates antecedents and outcomes of employee-perceived customer delight in a single model. This is also the first study to measure the impact of employee perceptions of customer delight with field data.
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Tokunaga, Shinya, Chinthaka Premachandra, H. Waruna H. Premachandra, Hiroharu Kawanaka, Sagara Sumathipala, and B. S. Sudantha. "Autonomous Spiral Motion by a Small-Type Robot on an Obstacle-Available Surface." Micromachines 12, no. 4 (April 1, 2021): 375. http://dx.doi.org/10.3390/mi12040375.
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Several robot-related studies have been conducted in recent years; however, studies on the autonomous travel of small mobile robots in small spaces are lacking. In this study, we investigate the development of autonomous travel for small robots that need to travel and cover the entire smooth surface, such as those employed for cleaning tables or solar panels. We consider an obstacle-available surface and target this travel on it by proposing a spiral motion method. To achieve the spiral motion, we focus on developing autonomous avoidance of obstacles, return to original path, and fall prevention when robots traverse a surface. The development of regular travel by a robot without an encoder is an important feature of this study. The traveled distance was measured using the traveling time. We achieved spiral motion by analyzing the data from multiple small sensors installed on the robot by introducing a new attitude-control method, and we ensured that the robot returned to the original spiral path autonomously after avoiding obstacles and without falling over the edge of the surface.
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Moeller, Judith, and Claes de Vreese. "Spiral of Political Learning: The Reciprocal Relationship of News Media Use and Political Knowledge Among Adolescents." Communication Research 46, no. 8 (September 28, 2015): 1078–94. http://dx.doi.org/10.1177/0093650215605148.
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This study investigates the dynamics of the reciprocal influence of political knowledge and attentive news use. News media are an important source for political information and contribute to political learning. Yet, this process is optimized with increasing levels of pre-existing knowledge about the political world. In extant literature, mutual interdependence is often suggested, but empirical proof is scarce. We propose to conceptualize the relationship of knowledge and news use as an upward spiral. The model is tested on data from a three-wave panel survey among 888 adolescents using growth curve modeling. The results support the model of a spiral of political learning. Interestingly, the influence of political knowledge on news use is estimated to be higher than the other way round.
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Erreygers, Sara, Heidi Vandebosch, Ivana Vranjes, Elfi Baillien, and Hans De Witte. "Positive or negative spirals of online behavior? Exploring reciprocal associations between being the actor and the recipient of prosocial and antisocial behavior online." New Media & Society 20, no. 9 (December 31, 2017): 3437–56. http://dx.doi.org/10.1177/1461444817749518.
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Bidirectional associations between being cyberbullied and cyberbullying others have been suggested, as well as bidirectional patterns of online prosocial behavior (reciprocity). However, so far, these relations have been studied as population-level associations, and it is not clear whether they also reflect within-person behavioral patterns. Therefore, this study aimed to disentangle between-person and within-person processes in online antisocial (cyberbullying) and prosocial behavior over time. Random intercept cross-lagged panel models were used to examine long-term within-person patterns of involvement in cyberbullying and online prosocial behavior. The findings showed no within-person effects between cyberbullying victimization and perpetration over time. In contrast, results did reveal significant within-person autoregressive effects of performing and receiving online prosocial behavior over time, and within-person cross-lagged effects between receiving online prosocial behavior and acting prosocially later on. These results indicate long-term positive, reinforcing spirals of prosocial exchanges, but no long-term negative spirals of cyberbullying perpetration and victimization.
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Dobber, Tom, Damian Trilling, Natali Helberger, and Claes de Vreese. "Spiraling downward: The reciprocal relation between attitude toward political behavioral targeting and privacy concerns." New Media & Society 21, no. 6 (November 22, 2018): 1212–31. http://dx.doi.org/10.1177/1461444818813372.
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Tailored political messages are increasingly prevalent in election time, but we know little about how people perceive such data-driven and potentially privacy-infringing techniques. This article examines how demographics relate to privacy concerns and attitudes toward “political behavioral targeting” (PBT), how privacy concerns and attitudes toward PBT relate over time, and explore their relation with autonomy, electoral deliberation, and chilling effects. Using a three-wave panel study, administered in the Netherlands ( N = 879), we examine a potential reciprocal relation between attitude toward PBT and privacy concerns, which may form a negative reinforcing spiral dynamic over time. This dynamic could result in undesirable behavior of the voter from a democratic viewpoint (e.g. chilling effects). We find that demographics fall short in explaining privacy concerns. More importantly, we find evidence for a reinforcing spiral dynamic and, by doing so, contribute to the discussion about the threats and promises of PBT to society.
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Arweiler-Harbeck, Diana, Christoph Mönninghoff, Jens Greve, Thomas Hoffmann, Sophia Göricke, Judith Arnolds, Nina Theysohn, et al. "Imaging of Electrode Position after Cochlear Implantation with Flat Panel CT." ISRN Otolaryngology 2012 (December 4, 2012): 1–5. http://dx.doi.org/10.5402/2012/728205.
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Background. Postoperative imaging after cochlear implantation is usually performed by conventional cochlear view (X-ray) or by multislice computed tomography (MSCT). MSCT after cochlear implantation often provides multiple metal artefacts; thus, a more detailed view of the implant considering the given anatomy is desirable. A quite new method is flat panel volume computed tomography. The aim of the study was to evaluate the method’s clinical use. Material and Methods. After cochlear implantation with different implant types, flat panel CT scan (Philips Allura) was performed in 31 adult patients. Anatomical details, positioning, and resolution of the different electrode types (MedEL, Advanced Bionics, and Cochlear) were evaluated interdisciplinary (ENT/Neuroradiology). Results. In all 31 patients cochlear implant electrode array and topographical position could be distinguished exactly. Spatial resolution and the high degree of accuracy were superior to reported results of MSCT. Differentiation of cochlear scalae by identification of the osseous spiral lamina was possible in some cases. Scanning artefacts were low. Conclusion. Flat panel CT scan allows exact imaging independent of implant type. This is mandatory for detailed information on cochlear electrode position. It enables us to perform optimal auditory nerve stimulation and allows feed back on surgical quality concerning the method of electrode insertion.
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Clarke, Steven R. "Net Shape Woven Fabrics—2D and 3D." Journal of Industrial Textiles 30, no. 1 (July 2000): 15–25. http://dx.doi.org/10.1177/152808370003000103.
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Weaving technology has been used for many years to weave net shape products to very tightly controlled dimensions. Numerous examples of narrow tapes, tubular fabrics, and multi-layer belting products can be found in the biomedical, automotive, and industrial fields. In more recent times 2D and 3D woven net shape products have expanded into polar or spiral woven fabrics, integrally stiffened skin panels, and tapered net shape airfoil components. This paper will review the manufacturing technologies used to produce these net shape textile products as well as show examples of the finished textile products and their applications.
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Christophe, Adou Bini Yao, Okoma Koffi Mathurin, Obouayeba Abba Pacôme, Atsin Guy Joël Olivier, Ballo Espérence Kouadio, Essehi Jean-Lopez, Wahounou Polié Jean, Soumahin Eric Francis, Kouakou Tanoh Hilaire, and Obouayeba Samuel. "Latex Micro Diagnosis, Modern Management Tool of Rubber Plantations of Clones With Active or Rapid Metabolism IRCA 18, IRCA 130, PB 235, PB 260 and PB 330." European Scientific Journal, ESJ 14, no. 3 (January 31, 2018): 385. http://dx.doi.org/10.19044/esj.2018.v14n3p385.
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The cultivated rubber clones are sensitive to latex harvesting regimes according to their laticiferous metabolism. Thus, in order to determine the best latex harvesting systems of clones with active or rapid metabolism (IRCA 18, IRCA 130, PB 235, PB 260 and PB 330), six latex harvesting technologies are applied to them in a bulk statistical device from Fisher to four rehearsals. The rubber is tapped in downward half spiral stimulated or not for nine years after the opening of the tapping panel. The agronomic parameters (production, vegetative growth), the tapping panel dryness and those of the latex micro diagnosis were evaluated. The results indicate that these clones independently of the latex harvesting system have good rubber productivity (2310 kg.ha -1.y1) with good radial vegetative growth (2.9 cm.y-1). Their trees show a wellbalanced physiological profile and an acceptable sensitivity to the tapping panel dryness (4.9%). However, the physiological index, the bark consumption and the sensitivity to the tapping panel dryness lead to retain the latex harvesting technologies “ S/2 d3 6d/7 Pa1(1) ET2.5% 4/y and S/2 d4 6d/7 Pa1(1) ET2.5% 4/y ” for the best. This index, favorably influencing the choice of technologies adapted to clones with active metabolism, contributes to the modern and efficient management of a rubber plantation.
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Christophe, Adou Bini Yao, Okoma Koffi Mathurin, Obouayeba Abba Pacôme, Atsin Guy Joël Olivier, Ballo Espérence Kouadio, Essehi Jean-Lopez, Wahounou Polié Jean, Soumahin Eric Francis, Kouakou Tanoh Hilaire, and Obouayeba Samuel. "Contribution of Latex Micro Diagnosis to Modern Management of Rubber Plantations: Case of Clones With Low or Slow Metabolism PB 217 and PR 107." European Scientific Journal, ESJ 14, no. 9 (March 31, 2018): 312. http://dx.doi.org/10.19044/esj.2018.v14n9p312.
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The cultivated rubber clones are sensitive to latex harvesting regimes according to their laticiferous metabolism. Thus, in order to determine the best latex harvesting systems of clones with low or slow metabolism, six latex harvesting technologies are applied to them in a bulk statistical device from Fisher to four rehearsals. The rubber is tapped in downward half spiral stimulated or not for nine years after the opening of the tapping panel. The agronomic parameters (production, vegetative growth), the tapping panel dryness and those of the latex micro diagnosis were evaluated. The results indicate that these clones independently of the latex harvesting system have good rubber productivity (2310 kg.ha -1 .y-1 ) with good radial vegetative growth (2.9 cm.y -1 ). Their trees show a well-balanced physiological profile and an acceptable sensitivity to the tapping panel dryness (4.9%). However, the physiological index, the bark consumption and the sensitivity to the tapping panel dryness lead to retain the latex harvesting technologies "S/2 d3 6d/7 Pa1(1) ET2.5% 4/y, S/2 d4 6d/7 Pa1(1) ET2.5% 4/y and S/2 d4 6d/7 Pa1(1) ET2.5% 8/y” for the best. This index, favorably influencing the choice of technologies adapted to clones with active metabolism, contributes to the modern and efficient management of a rubber plantation.
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Hooghe, Marc, and Ruth Dassonneville. "A Spiral of Distrust: A Panel Study on the Relation between Political Distrust and Protest Voting in Belgium." Government and Opposition 53, no. 1 (May 25, 2016): 104–30. http://dx.doi.org/10.1017/gov.2016.18.
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Low levels of political trust are associated with a preference for protest parties. Some authors have argued that in this manner protest parties indirectly contribute to the stability of electoral democracy, functioning as a ‘safety valve’ for political discontent. In this article, we investigate the relationship between protest voting and political trust in a dynamic perspective, relying on a five-year Belgian panel study. We confirm that citizens with low levels of political trust are more likely to vote for protest parties. Additionally, we point out that decreasing levels of trust significantly increase the probability of voting for a protest party, even controlling for absolute levels of trust. Most importantly, having voted for a protest party in 2009 is linked to a subsequent further drop in political trust during the 2009–14 observation period. The panel analysis suggests that distrust and protest voting reinforce one another, leading to a potential spiral of distrust.
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Campanella, Francesco, Armand Derhy, and Francesco Gangi. "Knowledge management and value creation in the post-crisis banking system." Journal of Knowledge Management 23, no. 2 (March 11, 2019): 263–78. http://dx.doi.org/10.1108/jkm-11-2017-0506.
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Purpose This paper aims to demonstrate the existence of a relationship between the knowledge creation process and competitive advantage in the banking system. The framework of knowledge creation processes adopted in this research is the spiral of knowledge proposed by Nonaka and Takeuchi (1995). The concept of competitive advantage is limited to the measurement of economic value by adopting methods that compare the financial performance of the banks with related markets. The objective of this research is to answer the following research question: Which factors of the spiral of knowledge are relevant for increasing a bank’s economic value? Design/methodology/approach The sample used for this empirical research is composed of 960 banks operating in 24 countries. The sample was analyzed from 2012 to 2015 and includes 3,840 observations. Regarding the methodology, hypothesis demonstration was carried out using a panel analysis (generalized least squares regression) on a set of variables. Findings The results show that Nonaka and Takeushi’s spiral of knowledge has a positive influence on value creation in the banking system. However, not all factors of the four modalities of converting tacit knowledge into explicit knowledge and vice versa have a positive influence on the economic value of banks. Therefore, by excluding factors that have a negative influence or are not significant, it is possible to formulate an empirical model that illustrates the relationship between the spiral of knowledge and the economic value of banks. Originality/value There is a lack of studies on the knowledge creation process in the banking system because most of the research is geographically limited, and empirical tests are performed on small samples. Second, generally, these studies are limited to the relationship between intellectual capital and bank performance measured by accounting ratios. However, intellectual capital is only one component of the broader concept of knowledge. This research uses a large and geographically diverse sample and studies the relationship between the spiral of knowledge and economic value, which is measured by various financial techniques.
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Peng, Fei, and Zong Hong Xie. "The Study about the Effect of Geometric Parameters' and Material Properties’ Changing on the Electromagnetic Performance of BSSAS." Applied Mechanics and Materials 459 (October 2013): 76–81. http://dx.doi.org/10.4028/www.scientific.net/amm.459.76.
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This paper introduced a research work on the development of a Broadband Smart Skin Antenna Structure (BSSAS). This structure possessed the load-bearing, shape maintaining and communication capabilities at the same time. A frequency-independent planar log-spiral antenna suitable for electromagnetic communication from 0.8GHz to 8GHz was embedded in a composites sandwich panel. Numerical models have been generated to analyze the effect of geometric parameters and material properties changing on the electromagnetic performance of BSSAS. The numerical results showed that both VSWR and the maximum gain of BSSAS at 1.2GHz and 1.6GHz were not sensitive to the geometric parameters and material properties of the packaging structure.
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Johansson, Bengt. "Expressing Opinions about the Refugee Crisis in Europe: The Spiral of Silence and Crisis Communication." Journal of International Crisis and Risk Communication Research 1, no. 1 (2018): 57–82. http://dx.doi.org/10.30658/jicrcr.1.1.4.
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Framing of crisis events is to a large extent contested, with multiple sources and conflicting messages. Theories of crisis communication acknowledge how people try to deal with these competing messages, and this article seeks to deepen the understanding the process of sense making of crisis events by connecting crisis communication to the spiral of silence theory. The spiral of silence theory, founded by Elisabeth Noelle-Neuman, proposes that people are less willing to express their opinions if they believe their beliefs are shared by a minority. This will lead to a spiral in which those who feel their opinions are popular are more inclined to express their opinions, and those who perceive their opinions are unpopular among the public become more silent. This study analyzed changes over time in the willingness to express opinions about the refugee crisis in Europe using a two-wave Web-panel survey (N = 1,185) in Sweden in 2015–2016. The focus is the impact of changing government policy, which moved from a generous refugee policy toward a more restrictive policy. Changes toward a more restrictive refugee policy did not seem to change the overall picture. Those supporting a more restrictive policy were still less inclined to speak their true opinions about the refugee crisis, even if the policy had changed in their favor. On the other hand, respondents supporting a more generous refugee policy seemed to become more cautious about expressing their opinions about the refugee crisis after the policy change, especially when talking to strangers.
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Mitas, Ondrej, and Maarten Kroesen. "Vacations Over the Years: A Cross-Lagged Panel Analysis of Tourism Experiences and Subjective Well-Being in the Netherlands." Journal of Happiness Studies 21, no. 8 (December 7, 2019): 2807–26. http://dx.doi.org/10.1007/s10902-019-00200-z.
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AbstractTourism experiences, also called vacations, are known to boost subjective well-being, although it has been argued that the effects are primarily affective in nature and short-lived. We argue that this is a methodological artifact due to the brief duration—1 year or less—of almost all extant longitudinal studies of tourism experience effects. Based on broaden-and-build and personal resource theories, we hypothesize that tourism experiences contribute to both affective and cognitive components of subjective well-being over a multi-year timespan. Using random intercept cross-lagged panel models, we tested these hypotheses in 8 years of panel data based on a representative sample of the population of the Netherlands. We found both between- and within-individual effects of vacation frequency on cognitive as well as affective well-being. More frequent vacationers experienced higher life satisfaction and lower negative affect, while the average participant also experienced slightly higher life satisfaction and positive affect following a year with higher vacation frequency. Increases in life satisfaction also predicted more frequent vacationing in a following year, consistent with an “upward spiral” pattern of improving well-being based on accumulation of positive experiences, as suggested by the broaden-and-build theory.
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Dvir-Gvirsman, Shira. "Media audience homophily: Partisan websites, audience identity and polarization processes." New Media & Society 19, no. 7 (February 22, 2016): 1072–91. http://dx.doi.org/10.1177/1461444815625945.
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The study suggests that media consumers favor certain websites not only due to their content but also due to their audience. A new concept is introduced: “audience homophily,” which describes one’s preference for partisan media websites catering to a homogeneous, likeminded consumership. This attraction is explained in terms of the need for self-consistency, and I suggest that over time such behavior will polarize political identity through a spiral of reinforcement. Based on both a survey-experiment ( N = 300) and a panel study combined with web-tracking technology that recorded online-exposure behavior ( N = 397), it was found that individuals with more extreme ideology present higher levels of audience homophily and that, longitudinally, audience homophily is somewhat associated with ideological polarization, intolerance, and accessibility of political self-definition.
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Holm, Kristoffer, Eva Torkelson, and Martin Bäckström. "Longitudinal Outcomes of Witnessed Workplace Incivility: a Three-Wave Full Panel Study Exploring Mediators and Moderators." Occupational Health Science 5, no. 1-2 (March 2021): 189–216. http://dx.doi.org/10.1007/s41542-021-00083-8.
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AbstractThe aims of the present study are formulated to test theoretical assumptions of the incivility spiral presented by Andersson and Pearson (1999). The first aim is to investigate possible longitudinal outcomes of witnessed workplace incivility, in the form of instigated incivility and well-being. An additional aim is to explore whether witnessed workplace incivility is indirectly related to instigated incivility or well-being over time, via lower levels of perceived organizational justice. Lastly, we aim to explore if control, social support (from coworkers and supervisors), and job embeddedness moderate the relationship between witnessed and instigated incivility over time. An online questionnaire was distributed to a panel of Swedish engineers at three time points over one year with about six months between waves. Longitudinal data were provided by 341 respondents. Results from longitudinal structural equation panel models showed that witnessed workplace incivility, over time, predicted subsequent higher levels of instigated incivility but not lower levels of well-being. In addition, witnessed incivility predicted lower levels of perceived organizational justice over time but perceived organizational justice did not mediate the relationship between witnessed and instigated incivility or well-being. Finally, the results showed that control, social support from supervisors (but not coworkers), and job embeddedness partly moderated the relationship between witnessed and instigated incivility over time. The relationship between witnessed and instigated incivility between time 1 and time 2 was stronger when levels of control, support and job embeddedness were high. However, job embeddedness was the only robust moderator of the relationship.
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Shamir, Jacob. "Speaking Up and Silencing Out in Face of a Changing Climate of Opinion." Journalism & Mass Communication Quarterly 74, no. 3 (September 1997): 602–14. http://dx.doi.org/10.1177/107769909707400313.
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This paper relies on panel data from Israel to test the spiral of silence theory's assumptions concerning overt expression of opinion. The research design provides a way to examine the effect of a changing climate of opinion on who speaks up and who silences out over time and changing circumstances. In addition, a multivariate approach is adopted to test the role of climate perceptions relative to other factors, and extend our understanding of public speech. Perceptions of the climate of opinion are found to be related to overt expression of opinion cross-sectionally; however, their impact is not consistent and weaker than other factors. General political involvement is most important, and also various sociodemographic characteristics of people are more powerful than climate perceptions. Over time this relationship does not hold, and the paper focuses on political discontent and value expression considerations.
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Sugimoto, Akira, Kaori Oka, Rui Sato, Shinji Adachi, Michael E. Baker, and Yoshinao Katsu. "Corticosteroid and progesterone transactivation of mineralocorticoid receptors from Amur sturgeon and tropical gar." Biochemical Journal 473, no. 20 (October 11, 2016): 3655–65. http://dx.doi.org/10.1042/bcj20160579.
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The response to a panel of steroids by the mineralocorticoid receptor (MR) from Amur sturgeon and tropical gar, two basal ray-finned fish, expressed in HEK293 cells was investigated. Half-maximal responses (EC50s) for transcriptional activation of sturgeon MR by 11-deoxycorticosterone, corticosterone, 11-deoxycortisol, cortisol and aldosterone, and progesterone (Prog) were between 13 and 150 pM. For gar MR, EC50s were between 8 and 55 pM. Such low EC50s support physiological regulation by these steroids of the MR in sturgeon and gar. Companion studies with human and zebrafish MRs found higher EC50s compared with EC50s for sturgeon and gar MRs, with EC50s for zebrafish MR closer to gar and sturgeon MRs than was human MR. For zebrafish MR, EC50s were between 75 and 740 pM; for human MR, EC50s were between 65 pM and 2 nM. In addition to Prog, spironolactone (spiron) and 19nor-progesterone (19norP) were agonists for all three fish MRs, in contrast with their antagonist activity for human MR, which is hypothesized to involve serine-810 in human MR because all three steroids are agonists for a mutant human Ser810Leu-MR. Paradoxically, sturgeon, gar, and zebrafish MRs contain a serine corresponding to serine-810 in human MR. Our data suggest alternative mechanism(s) for Prog, spiron, and 19norP as MR agonists in these three ray-finned fishes and the need for caution in applying data for Prog signaling in zebrafish to human physiology.
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Fadhel, M. I., Sakhr M. Sultan, and Saqaff Ahmed Alkaff. "Theoretical Study of New Configuration of Photovoltaic/Thermal Solar Collector (PV/T) Design." Advanced Materials Research 772 (September 2013): 681–87. http://dx.doi.org/10.4028/www.scientific.net/amr.772.681.
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The combination of solar thermal and PV technologies leads to form a single module called PVT system. This system is able to produce heat and electricity simultaneously. In this paper, a new configuration and design of PV/T system are proposed, and a theoretical study of this system is evaluated. The PV/T consists of certain layers which are the glass, air gap, PV panel, absorber plate and insulating material layer. The monocrystalline PV and spiral flow absorber plate are used in this study. The results of the system performance under typical sunny climatic Malaysian condition are presented. The maximum thermal and electrical efficiencies obtained are 64.4 % and 12.13%, respectively. The effect of mass flow rate on the outlet water temperature is also evaluated. It is shown that the optimum mass flow rate for the designed system is between 0.005 and 0.075 kg/s.
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Alquraish, Mohammed M., Sami Mejbri, Khaled A. Abuhasel, and Khalifa Zhani. "Experimental Investigation of a Pilot Solar-Assisted Permeate Gap Membrane Distillation." Membranes 11, no. 5 (April 30, 2021): 336. http://dx.doi.org/10.3390/membranes11050336.
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This research deals with the process of water desalination, involving an experimental design used to study a new prototype of a solar membrane distillation plant based on the weather conditions of Kairouan City, Tunisia. In this experiment, the pilot is left autonomous with the sun as the only source of energy. The operating process of a desalination plant consists of solar energy provided by the sun using solar energy collectors, which provide energy through their photovoltaic panels for heating brackish water. Additionally, the membrane used in this study was of the spiral wound design, which allowed for a compact arrangement besides effective internal heat recovery. The system start-up was successfully carried out and experimental studies were launched on various days of August 2020. During the experiment, the average production was approximately 15.92 L/m2 ap per day while the distillate’s electoral conductivity amounted to 1865 μS/cm. Calculations revealed that the specific thermal energy consumption for the system ranged between 90 and 310 kWh/m3.
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Fox, Claire Louise, Simon Christopher Hunter, and Siân Emily Jones. "Longitudinal associations between humor styles and psychosocial adjustment in adolescence." Europe’s Journal of Psychology 12, no. 3 (August 19, 2016): 377–89. http://dx.doi.org/10.5964/ejop.v12i3.1065.
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This study assessed the concurrent and prospective associations between psychosocial adjustment and four humor styles, two of which are adaptive (affiliative, self-enhancing) and two maladaptive (aggressive, self-defeating). Participants were 1,234 adolescents (52% female) aged 11-13 years, drawn from six secondary schools in England. Self-reports of psychosocial adjustment (loneliness, depressive symptomatology, and self-esteem) and humor styles were collected at two time points (fall and summer). In cross-lagged panel analyses, self-defeating humor was associated with an increase in both depressive symptoms and loneliness, and with a decrease in self-esteem. In addition, depressive symptoms predicted an increase in the use of self-defeating humor over time, indicating that these may represent a problematic spiral of thoughts and behaviors. Self-esteem was associated with an increase in the use of affiliative humor over the school year but not vice-versa. These results inform our understanding of the ways in which humor is associated with psychosocial adjustment in adolescence.
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Sultan, Sakhr M., M. I. Fadhel, and S. A. Alkaff. "Performance Analysis of the Photovoltaic/Thermal Collector (PV/T) System for Different Malaysian Climatic Conditions." Applied Mechanics and Materials 467 (December 2013): 522–27. http://dx.doi.org/10.4028/www.scientific.net/amm.467.522.
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A new configuration of Photovoltaic/Thermal Collector (PV/T) system has been designed and proposed. The (PV/T) consists of certain layers which are the glass, air gap, PV panel, absorber plate and insulating material layer. In this paper, a glazed (PV/T) solar collector using the spiral flow design absorber has been studied under different Malaysian meteorological conditions. The Performance of outlet water temperature, thermal, electrical and combined (PV/T) efficiencies under two different Malaysian climatic conditions (sunny and cloudy) days have been evaluated. Based on the simulation results, the maximum hourly thermal efficiency of sunny day is 61.3%, while the maximum hourly thermal efficiency of cloudy day is 59.6%. The electrical efficiencies for typical sunny and cloudy days are 12.89%, 13.03%, respectively. The maximum hourly combined (PV/T) efficiency for typical sunny and cloudy days are 74.1% and 72.63%, respectively. As seen from the results, the proposed (PV/T) system design is applicable to be used under different Malaysian climate conditions.
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Dvir-Gvirsman, Shira, R. Kelly Garrett, and Yariv Tsfati. "Why Do Partisan Audiences Participate? Perceived Public Opinion as the Mediating Mechanism." Communication Research 45, no. 1 (August 17, 2015): 112–36. http://dx.doi.org/10.1177/0093650215593145.
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The bulk of current literature on partisan media explores its various detrimental influences on the democratic sphere. This study highlights a possible positive outcome of partisan media consumption: enhanced political participation. It is hypothesized that consumption of congruent partisan media will tilt perceptions of opinion climate so that it is viewed as more supportive of one’s views, while consumption of incongruent partisan media is viewed as less supportive. Consequently, consumers of congruent partisan media will participate more, and vice versa. The hypotheses are tested using two panel studies: the first conducted during the 2012 U.S. presidential elections ( N = 377) whereas the second, during the 2013 Israeli election ( N = 340). In the Israeli case, survey data are supplemented with behavioral measures. All hypotheses are supported except the one regarding the effects of incongruent partisan media exposure. The results are discussed in light of the spiral of silence theory and the selective exposure hypothesis.
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Muslimani, Muhammad A., and James Di Palma-Grisi. "Severe acute toxoplasmosis infection following ustekinumab treatment in a patient with psoriasis vulgaris." BMJ Case Reports 12, no. 8 (August 2019): e230415. http://dx.doi.org/10.1136/bcr-2019-230415.
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A 26-year-old man undergoing therapy with 45 mg ustekinumab (Stelara) for chronic psoriasis vulgaris was referred by his general practitioner to an infectious diseases department for fatigue, fever, night sweating, generalised lymphadenomegaly and unexplained weight loss. Physical examination revealed bilateral occipital, cervical, axillary and inguinal lymphadenomegalies in addition to splenomegaly. Preliminary investigation revealed elevated Plasmodium lactate dehydrogenase and an inversion of the CD4/CD8 ratio. Whole-body spiral CT scanning with and without contrast showed splenomegaly and highlighted supradiaphragmatic and subdiaphragmatic lymphadenopathies. A complete Infectious Disease Test Panel revealed high levels of anti-Toxoplasma gondii antibodies. Immunoglobulin G avidity was negative. Peripheral blood lymphocyte phenotyping was performed to exclude underlying lymphatic neoplasia. The diagnosis of severe acute toxoplasmosis infection in the setting of immune response modifiers was made. Ustekinumab was suspended indefinitely and the patient underwent monthly serological tests to monitor the immune response until all symptoms resolved and the serological testing was negative for Toxoplasma.
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Silva, Juliano Quarteroli, Paulo de Souza Gonçalves, João Alexio Scarpare Filho, and Reginaldo Brito da Costa. "Agronomical performance and profitability of exploitation systems in four rubber tree clones in São Paulo state." Bragantia 69, no. 4 (December 2010): 843–54. http://dx.doi.org/10.1590/s0006-87052010000400009.
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The exploitation or tapping of the rubber tree, Hevea brasiliensis (Willd. ex Adr. de Juss.) Muell. Arg. is one of the most important cultural practices in determining useful life, yield and accounts for a major part of the total production costs in rubber farming. The objective of this work was to evaluate yield performance and economic aspects of rubber tree clones submitted to diverse tapping systems. The trial was placed in Guararapes city, São Paulo State, Brazil, in a randomized block design with split-plot in time. The plots consisted of the IAN 873, PR 261, RRI M 600 and RRI M 701 clones. The tapping systems consisted the subplots, where: ½S = tapping of half spiral cut; d/2, d/3, d/4, d/5 and d/7 = tapping every 2, 3, 4, 5 and 7 days, respectively; 11 m/y = tapping during eleven months per year; ET = ethephon (stimulant); Pa = panel application; La = lace application; 8/y = eight applications per year. The five experimental years were the sub-subplots and the ½S d/2 system was used as control. The analyzed variables were girth, dry rubber yield, tapping panel dryness and economic profitability. The ½S d/3 ET 2.5% and ½S d/4 ET 2.5% tapping systems provide the highest yield and profitability per hectare per year for the RRI M 600 and PR 261 clones. For the IAN 873 and RRI M 701 clones the yield superiority occurs in high tapping frequency; however the best profitability is obtained in the ½S d/7.ET 2.5% system.
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Ibrahim, Adnan, Sohif Mat, Ahmad Fazlizan Abdullah, Ahmad Fudholi, and Kamaruzzaman Sopian. "Outdoor Performance Evaluation of Building Integrated Photovoltaic Thermal (BIPVT) Solar Collector with Spiral Flow Absorber Configurations." International Journal of Power Electronics and Drive Systems (IJPEDS) 9, no. 4 (December 1, 2018): 1918. http://dx.doi.org/10.11591/ijpeds.v9.i4.pp1918-1925.
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Building Integrated Photovoltaic thermal solar collector (BIPVT) with Spiral flow absorber design is a collector not only used to generate electricity and thermal energy simultaneously but also can be integrated with the roof. Due to it characteristic as a roof, the collector is exposed to the direct sunlight resulting from a higher temperature on it surfaces. The temperature increased will simultaneously decrease it efficiency. An experiment has been conducted outdoor at Universiti Kebangsaan Malaysia to examine and evaluate the efficiency of the collector. Data for the experiment has been collected and gathered from 08:00 to 17:00 respectively. Results from the experiment recorded the best total efficiency of 65.10% (53.64% thermal efficiency and 11.46% electrical efficiency from the PV panel) at mass flow rate of 0.041kg/s and solar radiation of 1148W/m<sup>2</sup>. The effect of mass flow rates on open circuit voltage (V<sub>oc</sub>) and the modules short circuit current (I<sub>sc</sub>) are also presented.
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Cassano, A., R. Molinari, and E. Drioli. "Saving of Water and Chemicals in Tanning Industry by Membrane Processes." Water Science and Technology 40, no. 4-5 (August 1, 1999): 443–50. http://dx.doi.org/10.2166/wst.1999.0621.
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Some results on pressure-driven membrane operations able to improve chromium recovery from spent chromium tanning baths and to desalinate water discharged from filterpress after Cr(III) precipitation are reported. Nanofiltration was employed to concentrate chromium(III) using a spiral-wound module. Chromium concentration and COD in permeate were respectively about zero and 2–3 g/l as compared to initial feed values of 2.8 and 5.2 g/l; the high chloride concentration in the permeate suggested to reuse this solution in the pickling step saving fresh water and salts. The concentrate solution presented a higher chromium purification with respect to initial feed. It was tested in retanning, and after further concentration by chemical precipitation-dissolution method, in tanning operations. Chemical and physical analyses on leather treated with these solutions showed similar characteristics with respect to use of traditional chromium solution. Reverse osmosis was employed to reduce the high salt content in waste water from filter pressing of chromium hydroxide panels. Good rejection of reverse osmosis membrane to chloride and sulphate ions suggested the use of this operation for obtaining water, to be used in washings, or to sent to biological treatment of final waste water.
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Carr, Jennifer J., Joyce Lalara, Gayangwa Lalara, Gwen Lalara, Bronwyn Daniels, Alan R. Clough, Anne Lowell, and Ruth N. Barker. "Staying Strong Toolbox: Co-design of a physical activity and lifestyle program for Aboriginal families with Machado-Joseph disease in the Top End of Australia." PLOS ONE 16, no. 2 (February 5, 2021): e0244311. http://dx.doi.org/10.1371/journal.pone.0244311.
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Physical activity has positive health implications for individuals living with neurodegenerative diseases. The success of physical activity programs, particularly in culturally and linguistically diverse populations, is typically dependent on their alignment with the culture, lifestyle and environmental context of those involved. Aboriginal families living in remote communities in the Top End of Australia invited researchers to collaborate with them to co-design a physical activity and lifestyle program to keep individuals with Machado-Joseph disease (MJD) walking and moving around. The knowledge of Aboriginal families living with MJD, combined with findings from worldwide MJD research, formed the foundation for the co-design. An experience-based co-design (EBCD) approach, drawing from Indigenous and Participatory methodologies, was used. An expert panel of individuals with lived experience of MJD participated in a series of co-design phases. Prearranged and spontaneous co-design meetings were led by local community researchers within each phase. Data was collected using a culturally responsive ethnographic approach and analysed thematically. Sixteen panel members worked to develop the ‘Staying Strong Toolbox’ to cater for individuals with MJD who are ‘walking strong’; or ‘wobbly’; or ‘in a wheelchair’. Based on the ‘Staying Strong Framework’, the Toolbox was developed as a spiral bound A3 book designed to guide the user to select from a range of activities to keep them walking and moving around and to identify those activities most important to them to work on. The ‘Staying Strong Toolbox’ is a community driven, evidence based resource for a physical activity and lifestyle program for Aboriginal families with MJD. The Toolbox provides a guide for health professionals and support workers to deliver person-centred support to Aboriginal families with MJD, and that can be modified for use by other families with MJD or people with other forms of ataxia around the world.
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Kaufman, Tessa M. L., Tina Kretschmer, Gijs Huitsing, and René Veenstra. "Caught in a vicious cycle? Explaining bidirectional spillover between parent-child relationships and peer victimization." Development and Psychopathology 32, no. 1 (January 15, 2019): 11–20. http://dx.doi.org/10.1017/s0954579418001360.
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AbstractRelationships with parents and peers are crucial for children's socialization, but how parent–child and peer relationships mutually affect each other is not well understood. Guided by spillover theory, we zoomed in on the bidirectional interplay between parental rejection and warmth on the one hand and peer victimization on the other, and examined whether children's maladjustment symptoms mediated hypothesized cross-domain spillover effects. Data stem from five waves of the longitudinal KiVa study among 9,770 children (50% boys; mean age = 9.16, standard deviation = 1.29). Results from random intercept cross-lagged panel models showed that higher parental rejection and lower parental warmth predicted increases in peer victimization and vice versa across waves, thus supporting the bidirectional model. Moreover, spillover from parent–child rejection and warmth to peer victimization was partially driven by children's depressive symptoms and bullying perpetration. Vice versa, spillover from peer victimization to parent–child rejection and warmth was partially driven by children's social anxiety, depressive symptoms, conduct problems, and bullying perpetration. Thus, children might get caught in persistent problems in two important social domains, and these two domains influence each other through children's maladjustment. Family and school interventions should be integrated to prevent a downwards spiral.
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Glushkov, Nikolay I., Vladimir F. Rylkov, Konstantin V. Sementsov, Anatoliy V. Skorodumov, Alexey A. Moiseev, Valentin V. Alekseev, Taras E. Koshelev, and Anastasia O. Votinova. "Experience of surgical treatment of vertebral artery injuries." HERALD of North-Western State Medical University named after I.I. Mechnikov 12, no. 2 (August 21, 2020): 45–50. http://dx.doi.org/10.17816/mechnikov202012245-50.
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The aim of the study was to analyze the results of spinal artery damage treatment of the injured.
Materials and methods. An 2-year analysis of treating 7 patients with vertebral artery injuries admitted to the City Hospital (GB) No. 26 of St. Petersburg was carried out. The problems of diagnosing and treating these injuries have been identified. The solutions to these problems have been suggested. Two clinical cases of successful treatment of injured patients with spinal artery damage have been presented.
Results. Theres a possibility of damaging vertebral arteries in neck injuries thus defining the need for introducing high-informative methods of inspection (a spiral computer tomography contrast angiography, a Magnetic Resonance Imaging) and low-invasive (X-ray endovascular) interventions in urgent surgery. The implementation of complex instrumental examinations, their nature, the number of them and urgency should be determined by a surgeon individually considering the recommendations of related specialists.
Conclusions. Regardless of the wound size and the patients condition, examination and treatment of patients with neck injuries should be carried out in large hospitals with angiosurgeon and other narrow specialists in the panel of doctors with the 24-hour surveillance, as well as access to full examination and high-tech urgent operational interventions.
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Gil-Soldevilla, Samuel Universitat Jaume I., José-Antonio Universitat Jaume I. Palao-Errando, and Javier Universitat Jaume I. Marzal-Felici. "Advertising communication and spirituality: a critical approach of academics and professionals." Communication & Society 32, no. 3 (April 1, 2019): 139. http://dx.doi.org/10.15581/003.32.3.139-152.
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This article explores advertising as a space where spiritual discourses are reproduced from the critical approach of academics in communication and sociology, along with professionals in the advertising sector. Therefore, a qualitative methodology of semi-structured interviews with a panel of fifteen experts was used. This research aims to develop a discourse derived from the interviewee’s experience of the meaning provided by advertising as a transcendent dimension. The interviews were analysed by applying a spiral model by simple induction. The study identifies a compensatory character between brands and religions based on a functional definition of the latter, where brands have acquired the ability to construct social meaning, offer an existential programme to the individual, and arouse identity and awareness through their own narration. Without disregarding the economic objective of corporations or the different levels of transcendence expressed by brands and religious forms, there is consensus on advertising’s attempt to follow the same scheme of adhesion, claims, symbology, and evocations offered by religions, assuming a post-materialist turn of the advertising discourse towards transcendental values, even superficially or banally. The list of interviewees and the use of this technique, which has not previously been applied to the interactions between advertising discourse and spirituality, provide an original perspective on this emerging study field
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Khajornrungruang, Panart, Nagisa Wada, Keiichi Kimura, Ryuji Yui, and Keisuke Suzuki. "Investigation on Slurry Flow and Temperature in Polishing Process of Quartz Glass Substrate." International Journal of Automation Technology 5, no. 2 (March 5, 2011): 195–200. http://dx.doi.org/10.20965/ijat.2011.p0195.
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A fluorescent agent was used instead of slurry to visualize the flow of slurry, the polishing liquid solution supplied in Chemical Mechanical Polishing (CMP). Under ultraviolet irradiation, the fluorescent agent emits light, which performs the flow of the slurry under the quartz glass, which is applied as a photomask substrate in Flat-Panel Display (FPD) manufacturing. The emitted light was observed with a digital camera. Compared to a round shape of quartz glass substrate, a large amount of fluorescent agent supplied was taken away by the straight edges of the quadrilateral geometry of the substrate and moved to the outer edge of a polishing pad placed on a platen. The fluorescent agent that was taken away by the quadrilateral geometry also remained as several uneven spiral patterns on the polishing pad when the revolution speeds both of the quadrilateral substrate and the platen, which are practically set at same or almost revolution speed, were not sufficient. Next, when the quadrilateral substrate rotated at high revolution speed (60 min-1), the fluorescent agent flowed most evenly and spread throughout the entire substrate area in the shortest time. Finally, a combination of thermocouples and a wireless signal transmission system is introduced to investigate the temperature in glass substrate CMP process.
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Ang, Shannon, and Tuo-Yu Chen. "Going Online to Stay Connected: Online Social Participation Buffers the Relationship Between Pain and Depression." Journals of Gerontology: Series B 74, no. 6 (September 27, 2018): 1020–31. http://dx.doi.org/10.1093/geronb/gby109.
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Abstract Objectives Maintaining offline social participation (i.e., face-to-face social interaction) is key for healthy aging, but older adults who experience pain tend to restrict their social activity outside of the home. The onset of pain may set off a downward spiral where lowered social participation increases the risk of depression and vice versa. This study thus assesses whether online social participation (i.e., the use of online social network sites) moderates the effect of pain on depression, possibly functioning as a compensatory mechanism for reduced offline social participation for those in pain. Method Logistic regression models with a lagged dependent variable were used with panel data from the National Health and Aging Trends Study. An interaction term was included to assess the moderating effect of online social participation. Results We find that online social participation buffers the detrimental effect of pain on depression. However, the effect of pain on online social participation was not statistically significant. Discussion Findings show that online social participation can alleviate the negative effects of pain on mental well-being, and suggest that online social participation can supplement attempts to maintain offline social participation in later life, especially for those whose social activity may be limited by pain.
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Handayani, Setya, and Mochammad Rizki Romdoni. "Aplikasi E-Booking Tiket Kapal Pada Wilayah Tanjungpinang Dan Kijang Berbasis Android Dan Web." Jurnal Bangkit Indonesia 8, no. 1 (March 30, 2019): 26. http://dx.doi.org/10.52771/bangkitindonesia.v8i1.91.
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Suatu agensi memerlukan pengelolaan informasi yang baik untuk melayani kebutuhan masyarakat/customer. Pengelolaan informasi yang disampaikan seperti jadwal keberangkatan dan harga tiket dari suatu kapal yang akan berangkat ke berbagai tujuan di wilayah Kepulauan Riau dari daerah asal Tanjungpinang dan Kijang (Tanjungpinang – Senayang, Kijang – Letung, dan lain sebagainya) masih bersifat konvensional dimana penyampaian informasi tersebut belum efektif dan efisien karena masih bersifat manual begitupula dengan pemesanan tiket yang memerlukan waktu cukup lama dan tidak sebentar karena banyaknya jumlah calon penumpang yang memesan tiket khususnya di momen hari besar keagamaan dan liburan akhir tahun. Untuk mengatasi masalah tersebut, maka perlu dibuat suatu aplikasi yang terkomputerisasi. Metode penelitian yang penulis gunakan dilakukan dengan 2 cara yaitu metode pengumpulan data dan metode pengembangan aplikasi model spiral dengan penelitian studi kasus di PT. PELNI Cabang Tanjungpinang. Pengumpulan data dengan cara riset lapangan, observasi, studi kepustakaan, dan bimbingan. Sedangkan alat bantu yang digunakan antara lain, software Eclipse Juno M20130204-1200, XAMPP Control Panel versi 3.2.2, emulator KOPlayer versi 1.4.1049, database menggunakan phpMyAdmin server 127.0.0.1, alat bantu pengembangan rancangan sistem yaitu Unified Modeling Language (UML). Aplikasi yang dibangun diharapkan dapat mendukung informasi diantaranya sistem input registrasi akun, sistem input dan proses data jadwal keberangkatan, serta sistem input dan proses data pemesanan (e-booking) tiket calon penumpang sehingga mempermudah agen dalam melakukan pencarian data calon penumpang yang diperlukan dan dalam hal pembuatan laporan rekapitulasi data serta dapat menampilkan bukti cetak kode e-booking tiket kapal menjadi lebih cepat, tepat dan esifien.
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Schirrmeister, Holger, Albrecht Guhlmann, Jörg Kotzerke, Claudia Santjohanser, Thorsten Kühn, Rolf Kreienberg, Peter Messer, et al. "Early Detection and Accurate Description of Extent of Metastatic Bone Disease in Breast Cancer With Fluoride Ion and Positron Emission Tomography." Journal of Clinical Oncology 17, no. 8 (August 1999): 2381. http://dx.doi.org/10.1200/jco.1999.17.8.2381.
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PURPOSE: Previous studies have shown that bone metastases are revealed by magnetic resonance imaging (MRI) or bone marrow scintigraphy several months before they are visible by conventional bone scintigraphy (BS). We present a new approach for detecting bone metastases in patients with breast cancer. We compared findings obtained with fluoride ion (F-18) and positron emission tomography (PET) with those obtained with conventional BS. PATIENTS AND METHODS: Thirty-four breast cancer patients were prospectively examined using F-18–PET and conventional BS. F-18–PET and BS were performed within 3 weeks of each other. Metastatic bone disease was previously known to be present in six patients and was suspected (bone pain or increasing levels of tumor markers, Ca2+, alkaline phosphatase) in 28 patients. Both imaging modalities were compared by patient-by-patient analysis and lesion-by-lesion analysis, using a five-point scale for receiver operating characteristic (ROC) curve analysis. A panel of reference methodswas used, including MRI (28 patients), planar x-ray (17 patients), and spiral computed tomography (four patients). RESULTS: With F-18–PET, 64 bone metastases were detected in 17 patients. Only 29 metastases were detected in 11 patients with BS. As a result of F-18–PET imaging, clinical management was changed in four patients (11.7%). For F-18–PET, the area under the ROC curve was 0.99 on a lesion basis (for BS, it was 0.74; P < .05) and 1.00 on a patient basis (for BS, it was 0.82; P < .05). CONCLUSION: F-18–PET demonstrates a very early bone reaction when small bone marrow metastases are present, allowing accurate detection of breast cancer bone metastases. This accurate detection has a significant effect on clinical management, compared with the effect on management brought about by detection with conventional BS.
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Jalava, Katri, Stephen L. W. On, Peter A. R. Vandamme, Irmeli Happonen, Antti Sukura, and Marja-Liisa Hänninen. "Isolation and Identification ofHelicobacter spp. from Canine and Feline Gastric Mucosa." Applied and Environmental Microbiology 64, no. 10 (October 1, 1998): 3998–4006. http://dx.doi.org/10.1128/aem.64.10.3998-4006.1998.
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ABSTRACT It is known that virtually all healthy adult dogs and cats harbor spiral helicobacters in their gastric mucosa. Three species,Helicobacter felis, Helicobacter bizzozeronii, and Helicobacter salomonis have been isolated in vitro from the gastric mucosa of these animals. The aims of this study were to evaluate the efficacy of an isolation method for canine and feline gastric helicobacters that has been developed at the University of Helsinki; to estimate the prevalence and distribution of these taxa in the samples examined; and to assess the efficacy and validity of an extensive set of standardized conventional phenotypic tests, whole-cell protein profiling, and ultrastructural analysis in identifying the different species isolated from canine and feline gastric mucosa. We cultured 95 and 22 gastric mucosal biopsies from dogs and cats, respectively. Twenty-one H. bizzozeronii strains, 8H. felis strains, 8 H. salomonisstrains, 3 mixed cultures, 2 “Flexispira rappini”-like organisms, and 3 as yet uncharacterized strains were isolated from the dogs, and 3 H. felis strains were isolated from the cats. The methods used here yielded Helicobacter isolation rates of 51% from dogs and 13.6% from cats, which exceed those reported previously. The main difficulties were primary isolation, mixed cultures, and identification to the species level. In the species identification, a detailed morphological examination was found to yield important phenotypic characteristics. A large panel of biochemical and tolerance tests did not clearly differentiate the closely related species H. bizzozeronii, H. felis, and H. salomonis. Highly standardized whole-cell protein profiling was shown to be an excellent method for species identification. Improvements in culture conditions for these bacteria are still needed, especially for cats. A genetic identification method not requiring culture is needed for future studies of these very fastidious helicobacters, as the clinical significance and ecology of these species within the gastric mucosa of the domestic carnivores remain largely unknown.
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Ying, Lisa, Dan Su, Zhang Chunliu, Yiping Tian, Jing Bai, Canming Wang, Jianfei Fang, Andrew Futreal, and Jianjun Zhang. "Multiomics analysis reveals high-immune infiltration in tumor-adjacent lung tissues affects the prognosis of stage I NSCLC." Journal of Clinical Oncology 39, no. 15_suppl (May 20, 2021): 8540. http://dx.doi.org/10.1200/jco.2021.39.15_suppl.8540.
Full textAbstract:
8540 Background: Along with the wide application of low-dose spiral CT in lung cancer screening, a large number of resectable patients with lung cancer are identified, especially stage I Non-Small Cell Lung Cancer (NSCLC). However, their prognosis varies greatly and 5-year recurrence rate of stage I NSCLC is around 30%. Therefore, it is crucial to explore the potential mechanism of recurrence of early NSCLC. Methods: Eighty-seven patients with stage I NSCLC were enrolled from April 2008 to July 2015, including 79 squamous carcinoma and 28 adenocarcinoma. Frozen tumor tissues and paired tumor-adjacent lung tissues were collected to employ targeted panel sequencing, RNA sequencing and TCR repertoire sequencing. Results: Ninety-five non-silent mutations were detected in tumor-adjacent lung tissues with a median tumor mutation burden of 1.5/Mb, significantly lower than that in tumor tissues (11/Mb), p < 0.05. 42 mutations were specifically detected in the adjacent normal tissues, enriching in the immune response pathways. Comparing with paired tumors, tumor-adjacent lung tissues were found more favorable immune infiltration including higher immune cell activity like CD8+ T cell (0.50 vs 0.43, p < 0.0001), up-regulated immune-associated pathways, higher TCR clonality (0.19 vs 0.18, p < 0.05), less loss of heterozygosity (LOH) of human leukocyte antigen (HLA) (6.25% vs 50%, p < 0.0001) and observed predicted neoantigens expression (1 vs 128, p < 0.01). However, more shared viral-associated TCRs in tumor and tumor-adjacent tissues were found using the GLIPH algorithm. Prognostic analysis showed patients with higher overlap of TCR in tumors and tumor-adjacent lung tissues were prone to recur in five years. Furthermore, patients with higher immune infiltration in tumor-adjacent lung tissues had favorable outcomes than those with lower immune infiltration (HR: 0.37 for DFS, p < 0.05, HR: 0.31 for OS, p < 0.05), irrelevant of the infiltration level in tumor tissues. Conclusions: Immune microenvironment in tumor-adjacent lung tissues plays important roles in progress of stage I NSCLC.
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De Castro, Tamara Fernandes, Glauco Issamu Miyahara, Carla Renata Sanomiya Ikuta, and Leda Maria Pescinini Salzedas. "Fusion or gemination? A radiologic approach." ARCHIVES OF HEALTH INVESTIGATION 9, no. 6 (December 18, 2020): 614–16. http://dx.doi.org/10.21270/archi.v9i6.5079.
Full textAbstract:
A supernumerary tooth is an entity in addition to the normal series of teeth that, although rare, can be fused to a tooth, whether deciduous or permanent. Diagnosis and management in cases involving supernumerary teeth in the anterior region of the maxilla are often challenging. The clinical examination associated with the radiographic examination is decisive for the diagnosis and planning of cases. This article describes a case of unilateral fusion of a supernumerary tooth to a permanent upper lateral incisor, in which clinical and radiographic diagnosis was essential for a conservative approach.
Descriptors: Diagnosis; Fused Teeth; Tooth, Supernumerary.
References
Rajab LD and Hamdan MA. Supernumerary teeth: review of the literature and a survey of 152 cases. Int J Paediatr Dent. 2002;12:244–54.
Yang G. Supernumerary teeth and gemination. Br J Oral Maxillofac Surg. 2012;50:15–8.
Zhu M, Liu C, Ren S, Lin Z, Miao L, Sun W. Fusion of a supernumerary tooth to right mandibular second molar: a case report and literature review. Int J Clin Exp Med. 2015;8(8):11890-95.
Rudagi K, Rudagi BM, Metgud S, Wagle R. Endodontic management of mandibular second molar fused to a supernumerary tooth, using spiral computed tomography as a diagnostic aid: a case report. Case Rep Dent. 2012;2012:614129.
Nandini DB, Deepak BS, Selvamani M, Puneeth HK. Diagnostic dilemma of a double tooth: a rare case report and review. Journal of Clinical and Diagnostic Research. 2014;8(1):271-72.
Duncan WK, Helpin ML. Bilateral fusion and gemination: a literature analysis and case report. Oral Surg Oral Med Oral Pathol.1987;64(1):82-7.
Gupta S, Singla S, Marwah N, Dutta S, Goel M. Synodontia between permanent maxillary lateral incisor and a supernumerary tooth: treatment J Oral Health Comm Dent. 2007;1:52-5.
Mader CL (1979) Fusion of teeth. J Am Dent Assoc 98:62-4.
Kumar V, Pandey V, Rohini G, Jyoti B. Fusion Between Maxillary Premolar and A Supernumerary Tooth: A Rare Case Presentation. J Clin Diagn Res. 2015;9(11): ZJ03-4.
Maréchaux SC. The treatment of fusion of a maxillary central incisor and a supernumerary: report of a case. ASDC J Dent Child. 1984;51:196-99.
De Siqueira VC, Braga TL, Martins MA, Raitz R, Martins MD. Dental fusion and dens evaginatus in the permanent dentition: literature review and clinical case report with conservative treatment. J Dent Child (Chic) 2004;71:69-72.
Karacay S, Guven G, Koymen R. Management of a fused central incisor in association with a macrodont lateral incisor: a case report. Pediatr Dent. 2006;28:336-40.
Cetinbas T, Halil S, Akcam MO, Sari S, Cetiner S. Hemisection of a fused tooth. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2007;104:e120-24.
Nunes E, deMoraes IG, de Novaes PM, de Sousa SM. Bilateral fusion of mandibular second molars with supernumerary teeth: case report. Brazilian Dent J. 2002;13:137-41.
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Moro, A. P., B. Y. C. Adou, M. Diarrassouba, D. Konan, E. F. Soumahin, T. H. Kouakou, and S. Obouayeba. "Quantitative Assessment of the Agro-physiological Advantages of Upward Tapping in Relation to the Downward Tapping of the GT 1 and PB 260 Rubber Clones [Hevea brasiliensis, Muell. arg. (Euphorbiaceae)] in Southwest Côte d'Ivoire." Journal of Experimental Agriculture International, May 4, 2021, 94–104. http://dx.doi.org/10.9734/jeai/2021/v43i230650.
Full textAbstract:
The downward tapping on virgin bark of the lower panel (BO) is immediately followed by the upward tapping on virgin bark of the upper panel (HO), consecutively. To determine the agro-physiological advantages of one tapping over another, a study of the downward and upward tapping of the GT 1 and PB 260 clones of Hevea brasiliensis was carried out in southwestern Côte d'Ivoire. For this purpose, the rubber trees were tapped in a downward half-spiral (S/2) at the opening for nine consecutive years, followed by upward quarter-spiral tapping (S/4U) for four consecutive years. The agronomic parameters (rubber production and vegetative growth), tapping panel dryness and the latex micro-diagnosis, were evaluated. For GT 1 clone, the transition from the downward tapping panels to the upward tapping panels resulted rubber productivity gain of 35%. Meanwhile for PB 260, rubber productivity gain was 37%. Regardless of the clone and tapping direction, the higher the rubber productivity of a respective tapping panel, the lower the isodiametric growth of the tree trunk was recorded. Latex harvesting systems, and clone’s combination, did not influence the tapping panel dryness or the physiological profile of the trees. Finally, it should be concluded that upward tapping is more productive than downward tapping, but the quantification of the gains in this rubber production depends on the clone.
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Valenzuela, Sebastián, Daniel Halpern, and Felipe Araneda. "A Downward Spiral? A Panel Study of Misinformation and Media Trust in Chile." International Journal of Press/Politics, June 9, 2021, 194016122110252. http://dx.doi.org/10.1177/19401612211025238.
Full textAbstract:
Despite widespread concern, research on the consequences of misinformation on people's attitudes is surprisingly scant. To fill in this gap, the current study examines the long-term relationship between misinformation and trust in the news media. Based on the reinforcing spirals model, we analyzed data from a three-wave panel survey collected in Chile between 2017 and 2019. We found a weak, over-time relationship between misinformation and media skepticism. Specifically, initial beliefs on factually dubious information were negatively correlated with subsequent levels of trust in the news media. Lower trust in the media, in turn, was related over time to higher levels of misinformation. However, we found no evidence of a reverse, parallel process where media trust shielded users against misinformation, further reinforcing trust in the news media. The lack of evidence of a downward spiral suggests that the corrosive effects of misinformation on attitudes toward the news media are less serious than originally suggested. We close with a discussion of directions for future research.