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Journal articles on the topic 'Lack of fluidity'

Author: Grafiati

Published: 23 November 2024

Last updated: 31 July 2025

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1

Vareesangthip, K., R. Wilkinson, and T. H. Thomas. "Lack of function of an N-ethylmaleimide-sensitive thiol protein in erythrocyte membrane of autosomal dominant polycystic kidney disease." Journal of the American Society of Nephrology 9, no. 1 (1998): 1–8. http://dx.doi.org/10.1681/asn.v911.

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The polycystic kidney disease 1 (PKD1) gene product polycystin has been predicted to be an integral membrane protein involved in cell-cell and cell-matrix interactions. The erythrocyte membrane fluidity in autosomal dominant polycystic kidney disease (ADPKD) patients is increased, and this may be due to a membrane cytoskeletal abnormality. The abnormal erythrocyte sodium-lithium countertransport kinetics in-ADPKD are related to an altered thiol protein in the cytoskeleton. The possibility that a similar thiol protein abnormality causes the increased erythrocyte membrane fluidity in ADPKD was i

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Braungardt, Hannah, and Vineet K. Singh. "Impact of Deficiencies in Branched-Chain Fatty Acids and Staphyloxanthin inStaphylococcus aureus." BioMed Research International 2019 (January 22, 2019): 1–8. http://dx.doi.org/10.1155/2019/2603435.

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Staphylococcus aureusis a well-known human pathogen with the ability to cause mild superficial skin infections to serious deep-tissue infections, such as osteomyelitis, pneumonia, and infective endocarditis. A key toS. aureusinfections and its pathogenicity is its ability to survive in adverse environments, especially at lower temperatures, by regulation of its cell membrane. Branched-chain fatty acids (BCFAs) and staphyloxanthin have been shown to regulate membrane fluidity and staphylococcal virulence. This study was conducted with the hypothesis that the simultaneous lack of BCFAs and staph

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Hassan, Shatha Abbas, and Noor Ali Aljorani. "The Effect of Information Technology on Fluidity of Contemporary Architectural Space." Wasit Journal of Engineering Sciences 7, no. 1 (2019): 62–72. http://dx.doi.org/10.31185/ejuow.vol7.iss1.115.

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The increasing importance of the information revolution and terms such as ‘speed’, ‘disorientation’, and ‘changing the concept of distance’, has provided us with tools that had not been previously available. Technological developments are moving toward Fluidity, which was previously unknown and cannot be understood through modern tools. With acceleration of the rhythm in the age we live in and the clarity of the role of information technology in our lives, as also the ease of access to information, has helped us to overcome many difficulties. Technology in all its forms has had a clear impact

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4

Bekenova, Assel. "The Effect of Electoral Systems on Fluid Party System in sub-Saharan Africa." Otoritas : Jurnal Ilmu Pemerintahan 12, no. 2 (2022): 95–107. http://dx.doi.org/10.26618/ojip.v12i2.7723.

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The article, based on a literature review, examines the impact of electoral systems on the fluidity party system in sub-Saharan Africa. Most authors identify institutional and social factors influencing the change in party systems. At the same time, they use the indices Laakso and Taagepera and Rae to operationalize variable parties. However, there is a lack of research in the literature on electoral systems regarding its impact on stability or change of interparty competition patterns. This is due to, firstly, the relative novelty of the recently developed index of fluidity, and secondly, the

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Breen, Richard. "Education and intergenerational social mobility in the US and four European countries." Oxford Review of Economic Policy 35, no. 3 (2019): 445–66. http://dx.doi.org/10.1093/oxrep/grz013.

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Abstract I draw on the findings of a recently completed comparative research project to address the question: how did intergenerational social mobility change over cohorts of men and women born in the first two-thirds of the twentieth century, and what role, if any, did education play in this? The countries studied are the US, France, Germany, the Netherlands, and Sweden. Notwithstanding the differences between them, by and large they present the same picture. Rates of upward mobility increased among cohorts born in the second quarter of the century and then declined among those born later. Am

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Basu, Anupam. "“What do you lack? What is’t you buy?”: Commodity and Community in Bartholomew Fair." Ben Jonson Journal 29, no. 2 (2022): 141–69. http://dx.doi.org/10.3366/bjj.2022.0337.

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Jonson’s Bartholomew Fair uses the comic representation of criminality to comment on the urban culture of commodities. The variety of goods bought, sold, circulated, stolen and exchanged in the fair become a trope for the fluidity and malleability of the commodity form, not tied to particular material histories or uses, but part of an emerging fluid ideological space of the market. Against the decay of traditional notions of community, the play proposes a new and radical model of temporary, tactical, mobile and fluid alliances – a community of rogues based on the trope of the commodity form an

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Luo, Tao, Yunzhu Ma, Shuwei Yao, Juan Wang, and Wensheng Liu. "Experimental and Molecular Dynamics Simulation Study on Sol–Gel Conversion Process of Aluminum Carboxylate System." Materials 15, no. 7 (2022): 2704. http://dx.doi.org/10.3390/ma15072704.

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Due to the lack of relevant in situ characterization techniques, the investigation of aluminum sol–gel progress is lacking. In this study, combined with molecular dynamics simulation and conventional experimental methods, the microstructures, rheological properties, and gelation process of the carboxylic aluminum sol system were studied. The experimental results showed that, with the increase in solid content, the microstructure of the colloid developed from a loose and porous framework to a homogeneous and compact structure. The viscosity of aluminum sol decreased significantly with the incre

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Lampe, L., K. Wienhold, G. Meyer, et al. "Effects of simulated microgravity (HDT) on blood fluidity." Journal of Applied Physiology 73, no. 4 (1992): 1366–69. http://dx.doi.org/10.1152/jappl.1992.73.4.1366.

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Exposures to microgravity and head-down tilt (HDT) produce similar changes in body fluid. This causes an increase in hematocrit that significantly affects hemorheological values. Lack of physical stimulation under bed rest conditions and the relative immobility of the crew during spaceflight also affects the blood fluidity. A group of six healthy male subjects participated as volunteers, and blood samples were collected 10 days before, on day 2 and day 9, and 2 days after the HDT phase. Blood rheology was quantified by plasma viscometry, red cell aggregability, and red cell deformability. A re

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Visioli, Francesco, and Andrea Poli. "Fatty Acids and Cardiovascular Risk. Evidence, Lack of Evidence, and Diligence." Nutrients 12, no. 12 (2020): 3782. http://dx.doi.org/10.3390/nu12123782.

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One of the most controversial areas of nutrition research relates to fats, particularly essential fatty acids, in the context of cardiovascular disease risk. A critical feature of dietary fatty acids is that they incorporate into the plasma membrane, modifying fluidity and key physiological functions. Importantly, they can reshape the bioavailability of eicosanoids and other lipid mediators, which direct cellular responses to external stimuli, such as inflammation and chronic stress conditions. This paper provides an overview of the most recent evidence, as well as historical controversies, li

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10

Bilohubkina, Karyna, Olena Fedorenko, Ruslan Kryvobok, and Artem Zakharov. "DEVELOPMENT OF TECHNOLOGICAL PARAMETERS FOR THE FORMATION OF FASTS BY THE SLIDING CASTING METHOD." Bulletin of the National Technical University "KhPI". Series: Innovation researches in students’ scientific work, no. 2 (December 16, 2021): 15–21. http://dx.doi.org/10.20998/2220-4784.2021.02.03.

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The materials of the article consider the effectiveness of additives for stabilization and dilution of clay-free slippers. For theproduction of radio-transparent ceramic materials of Celsius-Willemite composition, the most efficient and energy-saving methodof production is the method of slip casting. According to the charge composition, this technology is complicated by the lack of claycomponents, which shows the need to use impurities to improve the rheology of such a slip. The main characteristics of aqueousceramic slippers are density, humidity, fluidity, viscosity, density factor, rate of

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Sadlier, Aoife. "Discussion paper: Humans don’t fit in boxes: Reconfiguring female (a)sexualities for the 21st century." PsyPag Quarterly 1, no. 101 (2016): 37–41. http://dx.doi.org/10.53841/bpspag.2016.1.101.37.

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This paper seeks to reconfigure female (a)sexualities, beyond the current definition of asexuality as a ‘lack’ of sexual attraction, drawing on empirical work with five women, who experienced sexual fluidity in their trajectories. The paper has two parts. The first explores the constraining nature of sexual orientation labels. I draw on Diamond’s (2009) work on female sexual fluidity and the accounts of two queer/asexual-identified women, arguing that female (a)sexualities cannot be fitted neatly into a box. The second examines the accounts of three other women, who asserted that there is a ne

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Wang, Yiru, Qinglin Zheng, Hetao Su, Zijun Huang, and Gengyu Wang. "Synthesis and Characteristics of a pH-Sensitive Sol-Gel Transition Colloid for Coal Fire Extinguishing." Gels 9, no. 1 (2023): 69. http://dx.doi.org/10.3390/gels9010069.

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Coal fires, most of which are triggered by the spontaneous combustion of coal, cause a huge waste of resources and release poisonous and harmful substances into the environment, seriously threatening the safety of industrial production. Gel flame retardant plays a core role in coal fire prevention and extinguishing. Most gel flame retardants used in coal fires possess good sealing and oxygen isolation properties, but it is difficult for them to flow deep into fire areas due to their low fluidity. Some fire extinguishing agents with good fluidity lack leak-blocking performance. In order to simu

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13

Paniagua Pérez, Jesús. "La crisis agraria de 1878-1881 en León." Estudios humanísticos. Geografía, historia y arte, no. 10 (February 9, 2021): 181. http://dx.doi.org/10.18002/ehgha.v0i10.6732.

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<span>In this paper, the influence of the agrarian crisis between 1879 and 1881 on the economy and society in León (Spain) is described. Whith the data provided by the newspapers about de prices of cereals, the lack of fluidity in the marketing of basic products during the crisis as well as the social response to it: the debate around the social issue, the socialism, and the charitable and educative enterprises emerging in those years is analyzed.</span>

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Ahmad, Jawad, Mohamed Moafak Arbili, Ali Majdi, Fadi Althoey, Ahmed Farouk Deifalla, and Cut Rahmawati. "Performance of concrete reinforced with jute fibers (natural fibers): A review." Journal of Engineered Fibers and Fabrics 17 (January 2022): 155892502211218. http://dx.doi.org/10.1177/15589250221121871.

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Natural fibers are an excellent alternative since they are inexpensive and easily accessible in fibrous form. Several researchers claim that jute fiber (JTF) can be used in concrete to improve its strength and durability performance. This review describes the characteristics and potential uses of some jute fibers in concrete. The main theme of this review is to summarize the effect of JTF on fresh properties of concrete, strength parameters, and durability characteristics. It can be concluded that jute fibers improved strength and durability aspect but decreased the fluidity of concrete in a s

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15

Ernst, E., A. Matrai, E. Vinnemeier, and M. Marshall. "Blood Rheology in Post-Thrombotic Syndrome — A Pilot Study." Phlebology: The Journal of Venous Disease 3, no. 3 (1988): 181–83. http://dx.doi.org/10.1177/026835558800300309.

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Patients suffering from post-thromobotic syndrome are compared to controls in terms of ex-vivo measurements to quantify the rheological behavior of blood: blood and plasma viscosity, haematocrit, red cell aggregation, red cell filterability, erythrocyte sedimentation rate (ESR), plasma fibrinogen. The results show that plasma viscosity, red cell filterability, ESR and fibrinogen are significantly changed indicating a lack of blood fluidity in post-thrombotic disease. It is suggested that the rheological deficit and the venous pathology both contribute to a disturbed microcirculation in the aff

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16

Ezerel, Elif. "AI: Is It a Protector From Unfairness or Just a Blanketed Bias Machine?" Koc University Undergraduate Journal of Engineering 1, no. 2 (2024): 35–37. https://doi.org/10.5281/zenodo.13375891.

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As artificial intelligence (AI) becomes integrated into an increasing number of aspects of our lives, it is clear that AI has the power to revolutionize decision-making processes. This study focuses on how skewed data sets and algorithms could promote ableism and prejudice against disabled applicants. Additionally, it discusses the use of facial recognition technology in hiring procedures, the lack of oversight, and the need to consider the variety of disabilities. Finally, the conclusion addresses the limitations of AI in representing the diversity and fluidity of human identity and experienc

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17

Gutierrez-Ocaña, M. T., S. Senar, M. A. Perez-Albarsanz, and M. N. Recio. "Lindane-induced modifications to membrane lipid structure: Effect on membrane fluidity after subchronic treament." Bioscience Reports 12, no. 4 (1992): 303–11. http://dx.doi.org/10.1007/bf01122802.

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Chronic lindane intoxication by injecting subcutaneously the toxicant, resulted in an altered lipid pattern in rat ventral prostate membranes. An increase of membrane fluidity was also observed using a fluorescence polarization technique. When in vitro experiments were carried out with both treated and untreated rats, an interesting lack of parallelism was found, which could indicate the development of a resistance to membrane disordering by lindane. The observed changes in cholesterol and phospholipid composition are also consistent with the hypothesis that lindane perturbs the lipid matrix o

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18

Miller, Petr, and Lynn M. McMullen. "Mechanism for temperature-dependent production of piscicolin 126." Microbiology 160, no. 8 (2014): 1670–78. http://dx.doi.org/10.1099/mic.0.078030-0.

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Piscicolin 126 is a class 2a bacteriocin produced by Carnobacterium maltaromaticum strains UAL26 and JG126. Whilst strain UAL26 shows temperature-dependent piscicolin 126 production, strain JG126 produces bacteriocin at any growth temperature. Several clones containing combinations of the ATP-binding cassette transporter (pisT) and transporter accessory (pisE) genes from JG126 and UAL26 were created and tested for bacteriocin production. Bacteriocin production at 25 °C was observed only for a clone containing both pisT and pisE from JG126 (U-TJEJ) and a clone containing pisT from UAL26 and pis

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19

Hazelwood, Caleb. "Synthetic Biology and Natural Kinds." Stance: an international undergraduate philosophy journal 10, no. 1 (2017): 14–23. http://dx.doi.org/10.33043/s.10.1.14-23.

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In the life sciences, biologists and philosophers lack a unifying concept of species—one that will reconcile intuitive demarcations of taxa with the fluidity of phenotypes found in nature. One such attempt at solving this “species problem” is known as Homeostatic Property Cluster theory (HPC), which suggests that species are not defined by singular essences, but by clusters of properties that a species tends to possess. I contend that the arbitrary nature of HPC’s kind criteria would permit a biological brand of functionalism to inform species boundaries, thereby validating synthetic organisms

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20

Li, Tianqi, Bixiong Li, Lianghui Li, Zhiwen Wang, Zhibo Zhang, and Qingshun Nong. "Replacing Fly Ash or Silica Fume with Tuff Powder for Concrete Engineering in Plateau Areas: Hydration Mechanism and Feasibility Study." Buildings 14, no. 5 (2024): 1232. http://dx.doi.org/10.3390/buildings14051232.

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Abundant tuff mineral resources offer a promising solution to the shortage of fly ash (FA) and silica fume (SF) resources as emerging supplementary cementitious materials. However, a lack of clarity on its hydration mechanism has hindered its practical engineering application. In this study, high SiO2-content tuff powder (TP) was examined to assess the mechanical and workability performance of mortar specimens with varying particle sizes of the TP as complete replacements for FA or SF. Microscopic analysis techniques, including X-ray diffraction (XRD), differential thermal analysis (DTG), and

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21

Koceva-Chyla, Aneta, Krzysztof Gwozdzinski, Malgorzata Moderska, and Zofia Jozwiak. "LACK OF CORRELATION BETWEEN CHANGES IN PLASMA MEMBRANE FLUIDITY AND INHIBITION OF CELL GROWTH INDUCED BY ANTHRACYCLINES IN IMMORTAL RODENT CELLS." Biochemical Society Transactions 24, no. 4 (1996): 554S. http://dx.doi.org/10.1042/bst024554sb.

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22

Gao, Hang, You Zhi Fu, Jian Hui Zhu, Ming Yu Wu, and Yu Wen Sun. "Study on the Characteristics of New Abrasive Medium for Abrasive Flow Machining." Advanced Materials Research 797 (September 2013): 417–22. http://dx.doi.org/10.4028/www.scientific.net/amr.797.417.

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Abrasive medium plays an important role in the application of abrasive flow machining (AFM), a process that finishes complex internal and external geometries. A new abrasive medium needs to be fabricated due to a lack of literature on it. In this work, a new abrasive medium was fabricated by using styrene butadiene rubber (SBR) as carrier and DF-101S was used to study its characterization. Results showed that new abrasive medium with good fluidity and temperature stability was obtained. Processing experiments have also been carried out by using new abrasive medium and MLLD60, and ZYGO was used

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23

Abraham, Nevine. "Censorship, public opinion and the representation of Coptic minority in contemporary Egyptian cinema: The case of Amr Salama’s Lamo’aķhza (Excuse My French) (2014)." Journal of African Cinemas 13, no. 2 (2021): 181–96. http://dx.doi.org/10.1386/jac_00053_1.

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Censorship decisions on cinematic works in Egypt have been characterized by their inconsistency due to the intentional lack of definition of what would constitute a threat to politics, religion and morality. Such fluidity has forced filmmakers to practise self-censorship and deterred them from tackling Coptic problems for fear of igniting sectarianism, as censorship would claim. This article shows the role of public opinion during the period of political instability and aspiration for freedom after the 25 January 2011 Egyptian Revolution in facilitating the approval of the controversial script

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24

El Azouzi, Sallem. "Autopsie de la mémoire fuyante dans Mille ans, un jour d’Edmond Amran El Maleh." Çédille, no. 27 (2025): 283–97. https://doi.org/10.25145/j.cedille.2025.27.16.

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In modern literature, the inability to fully capture memory reflects the disintegration of the subject. The latter, navigating a fluid and unstable memory, strives to find stability by anchoring itself to solid references. This is notably illustrated in the works of Edmond Amran El Maleh, a Moroccan author writing in French. His texts emphasize fragmentation as a dom-inant feature, employing experimental techniques shaped by an imagination drawn toward obscurity. These techniques illuminate the past reality of the writer. For example, in Mille ans, un jour, the narrative structure prioritizes

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25

Keizer, Veer I. P., Simon Grosse-Holz, Maxime Woringer, et al. "Live-cell micromanipulation of a genomic locus reveals interphase chromatin mechanics." Science 377, no. 6605 (2022): 489–95. http://dx.doi.org/10.1126/science.abi9810.

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Our understanding of the physical principles organizing the genome in the nucleus is limited by the lack of tools to directly exert and measure forces on interphase chromosomes in vivo and probe their material nature. Here, we introduce an approach to actively manipulate a genomic locus using controlled magnetic forces inside the nucleus of a living human cell. We observed viscoelastic displacements over micrometers within minutes in response to near-piconewton forces, which are consistent with a Rouse polymer model. Our results highlight the fluidity of chromatin, with a moderate contribution

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Mead, Lorraine B., Hideomi Nakamura, Theodore E. Lang, and Jimmie D. Dent. "Comparison of Experimental and Computer Modeling of Snow-Block Impact on Structures." Journal of Glaciology 32, no. 112 (1986): 321–24. http://dx.doi.org/10.1017/s0022143000011989.

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AbstractData from experimental tests of snow-block impact against vertical barriers are used to establish values of parameters in order to computer-model the impact mechanics. The results show that total impulse, impact force, and duration of impact can be modeled by accurate specification of the kinematic viscosity in the fluid representation. In modeling the highly transient impact, kinematic viscosity of the material is determined to vary linearly with the impact velocity. This non-physical condition is attributed to lack of accountability of compressibility effects in the computer model, a

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Mead, Lorraine B., Hideomi Nakamura, Theodore E. Lang, and Jimmie D. Dent. "Comparison of Experimental and Computer Modeling of Snow-Block Impact on Structures." Journal of Glaciology 32, no. 112 (1986): 321–24. http://dx.doi.org/10.3189/s0022143000011989.

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AbstractData from experimental tests of snow-block impact against vertical barriers are used to establish values of parameters in order to computer-model the impact mechanics. The results show that total impulse, impact force, and duration of impact can be modeled by accurate specification of the kinematic viscosity in the fluid representation. In modeling the highly transient impact, kinematic viscosity of the material is determined to vary linearly with the impact velocity. This non-physical condition is attributed to lack of accountability of compressibility effects in the computer model, a

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28

Nechaev, Vladimir N. "Technological process of grain molasses production: ways to optimize." Agricultural Engineering, no. 5 (2023): 11–16. http://dx.doi.org/10.26897/2687-1149-2023-5-11-16.

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Enriching the diet of cows with grain molasses increases the energy value of forage. Lack of data on the grain crumbling force acting in the process of fodder preparation; viscosity and fluidity of grain molasses depending on the type of cereal crop prevents finding possible ways to improve grain molasses production. To solve this problem, the author compared physical and mechanical characteristics of the grain of spring barley (the Raushan variety), winter rye (the Grafinya variety), and spring wheat (the Moskovskaya 35 variety) on the force of crumbling. The study proved that the maximum for

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Yang, Die, Zeng Zhen Li, Lai Hui Han, Chen Yan, Zhang Xin, and Da Yong Feng. "Effect of Weld-Pass Morphology and Molten-Pool Flow on Lack of Fusion Formed in the Fully Automatic Welded Joint at 6 o’Clock Direction." Materials Science Forum 1137 (December 16, 2024): 37–42. https://doi.org/10.4028/p-ka35zo.

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Compared with traditional shielded metal arc welding and semi-automatic welding, fully automatic welding has the advantages of fast welding speed, high welding quality as well as a high qualification rate on the premise of ensuring the comprehensive performance of the girth weld joint. Meanwhile, the proportion of welding defects also changed from porosity and slag inclusion to lack of fusion. Therefore, from the view of the macroscopic and dynamic evolution behavior, the paper aims to reveal the influence of the coupling of weld-pass morphology and molten-pool flow on the formation of lack of

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YU JOSE, LYDIA N. "Boundary Fluidity and Ideology: A Comparison of Japan's pre-World War II and Present Regionalisms." Japanese Journal of Political Science 13, no. 1 (2012): 105–29. http://dx.doi.org/10.1017/s1468109911000260.

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AbstractThere is a question that has not been raised in the literature on Japan's regionalism: Why does it have a strong tendency toward making the boundary of the proposed East Asian community fluid? By looking back beyond the Greater East Asia Co-Prosperity Sphere of the 1940s, a method hitherto untried, the paper shows that this Japanese propensity was also present in the first half of the twentieth century, especially in the 1920s and 1930s. Moreover, both then and now, Japan did not and does not have a firm adherence to an ideology. These are two similarities between the pre-World War II

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Chen, Jiexiu, Yifei Sun, and Junwen Zhu. "Navigating through the mists of cross-cultural journey: unpacking international scholars’ acculturation strategies at Chinese universities." International Journal of Chinese Education 11, no. 3 (2022): 2212585X2211386. http://dx.doi.org/10.1177/2212585x221138611.

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In the context of rapid development of internationalisation in Chinese higher education, as well as the increasing mobility of academics across country borders, more and more international scholars are seeking career opportunities in Chinese universities. Using 21 in-depth interviews, we investigated international scholars’ acculturation strategies at Chinese universities through Berry’s theoretical tools. We find that the adaptability of experienced international scholars are key indicators that have successfully led participants to achieve integration strategy, and we demonstrate how a lack

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Maniyar, Mithun, Ashok Chandak, and Chandrakant Kokare. "Lopinavir Loaded Spray Dried Liposomes with Penetration Enhancers for Cytotoxic Activity." Infectious Disorders - Drug Targets 20, no. 5 (2020): 724–36. http://dx.doi.org/10.2174/1871526519666191008112207.

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Objective: HIV protease inhibitors (HIV-PI) are the drugs utilized for the treatment of HIV. However, their effectiveness is limited due to lack of bioavailability and they need to be coadministered with another drug. In this study single lopinavir (LPV) loaded phospholipid vesicles were prepared by the spray-drying method. The LPV-loaded spray-dried powder (L-SDP) was transformed into vesicles and then entrapped in a cream base with peppermint and olive oil. Method: It is an Attenuated Total Reflectance Fourier Transform Infrared (ATR-FTIR) membrane fluidity study that is used to predict oil’

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Popescu, Ana-Cristina. "Critical approaches to financial delegation in public education in post-communist Romania." Management in Education 25, no. 2 (2011): 53–57. http://dx.doi.org/10.1177/0892020611398696.

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The article focuses on tracking financial delegation (introduced nationally in January 2010) as part of the broader process of education restructuring and decentralisation in post-communist Romania. The aim is to critically pinpoint some of the challenges specific to the Romanian context, such as the multitude of policies and legislation (due to the fluidity of the political system and hence of the Ministry of Education’s leadership), lack of consistency in the implementation of reforms, doubled by inappropriate corresponding financial legislation and communication between the various layers o

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Kies, Jonathan K., and Robert C. Williges. "Augmenting the Critical Incident Method to Evaluate Desktop Video Conferencing." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 44, no. 37 (2000): 594–97. http://dx.doi.org/10.1177/154193120004403713.

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Evaluating computer-mediated computer systems requires different usability engineering methods than those applied to traditional user interfaces. In this paper, the critical incident method was used in conjunction with communication performance measures, ethnographic analyses, and questionnaires to help understand the differences between face-to-face communication and desktop video conferencing applications as well as the effects of degraded video quality on communication. Four groups of students working on design projects were observed weekly for seven weeks. After each session, group members

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Dybowski, Bartlomiej, Robert Jarosz, Andrzej Kiełbus, and Jan Cwajna. "Influence of Pouring Temperature on Castability and Microstructure of QE22 and RZ5 Magnesium Casting Alloys." Solid State Phenomena 191 (August 2012): 137–44. http://dx.doi.org/10.4028/www.scientific.net/ssp.191.137.

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Magnesium alloys are widely used in automotive and aerospace industries due to their great connection of low density and good mechanical properties. They are also characterized by good castability and weldability. Their weak high temperature properties and corrosion resistance, led to development of magnesium alloys containing rare earth elements. Casting is the most popular way of manufacturing magnesium elements. However, there is a lack of investigations concerning impact of different factors on fluidity of these alloys. This paper presents results of investigations on influence of pouring

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Vlahopoulos, Spiros, Ke Wang, Yaoyao Xue, Xu Zheng, Istvan Boldogh, and Lang Pan. "Endothelial Dysfunction through Oxidatively Generated Epigenetic Mark in Respiratory Viral Infections." Cells 10, no. 11 (2021): 3067. http://dx.doi.org/10.3390/cells10113067.

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The bronchial vascular endothelial network plays important roles in pulmonary pathology during respiratory viral infections, including respiratory syncytial virus (RSV), influenza A(H1N1) and importantly SARS-Cov-2. All of these infections can be severe and even lethal in patients with underlying risk factors.A major obstacle in disease prevention is the lack of appropriate efficacious vaccine(s) due to continuous changes in the encoding capacity of the viral genome, exuberant responsiveness of the host immune system and lack of effective antiviral drugs. Current management of these severe res

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Seguin, Maureen, Jhaki Mendoza, Eunice Mallari, et al. "Participant Use of Digital Diaries in Qualitative Research: A Strong Structuration Analysis." International Journal of Qualitative Methods 21 (January 2022): 160940692211247. http://dx.doi.org/10.1177/16094069221124725.

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Lived experiences of chronic conditions are marked by fluidity and change, which should be considered if care is to be truly patient-centered. Seeking to capture this fluidity, we used digital diaries via mobile phones to communicate with hypertensive patients in the Philippines over approximately 12 months. This paper draws on Strong Structuration Theory to conceptualize the complex array of factors shaping participants’ usage (and non-usage) of the diaries, thereby offering a comprehensive understanding of how the diaries were perceived and used. We draw on qualitative data from 42 participa

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Sammen, Saad Shauket, Marwah Qaddoori Majeed, and Qutaiba G. Majeed. "Stability Assessment of Zoned Earth Dam under Water Particles Fluidity Effect: Hemren Dam as Case Study." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 79, no. 2 (2021): 27–38. http://dx.doi.org/10.37934/arfmts.79.2.2738.

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Recently the numerical modeling using finite element method is take into account as a very effective tool to investigate the desired behavior of structures in geotechnical engineering. Earth dams are a water retention structures that are normally wide constructed around the world due to its significant features. These structures may be failed due to exposure to an earthquake and this will result in disaster. The main objective of this study is to assess the slope stability and the seismic response of an earthen dam. Since the matter of seismic response is still have a considerable lack of info

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Putra, Muhammad Rezki F., Reza Taufiqi Ivana, Danang Yugo Pratomo, Adhiela Noer Syaief, and Rusuminto Syahyuniar. "PENINGKATAN MAMPU ALIR (FLUIDITY) DAN PENURUNAN NILAI SUSUTAN PADUAN Al-Cu DENGAN SEMI-SOLID RHEOCASTING." Jurnal Teknik Mesin dan Pembelajaran 5, no. 2 (2022): 81. http://dx.doi.org/10.17977/um054v5i2p81-88.

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AbstrakIndustri otomotif sebagian besar pada penggunaan part dan komponen lainnya masih menggunakan paduan aluminium dengan proses pengecoran. Salah satu paduan dengan perlakuan panas yang baik dan karakteristik perbandingan kekuatan dengan berat jenis yang baik yaitu Al-Cu, namun dengan karakteristik demikian paduan ini juga memiliki kekurangan mampu alir dan susutan yang besar. Dalam percobaan ini melakukan proses pengecoran semi-solid rheocast denan variasi lama pengadukan menggunakan paduan al-cu sebagai bahan untuk dilakukan peningkatan mampu alir dan penurunan nilai susutan dari paduan.

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Cazacu, Nicolae, Aurelia Bradu, and Nicolae Florea. "Self Compacting Concrete Structures: A Techno-Economic Analysis." Advanced Engineering Forum 21 (March 2017): 624–31. http://dx.doi.org/10.4028/www.scientific.net/aef.21.624.

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The concept of self-compacting concrete (SCC) was performed in late 1980 by Japanese researchers as a solution for the lack of skilled workers and decreasing quality in building industry. The high fluidity of SCC allows flowing under its own weight, filling completely the formwork without any vibration or material segregation, providing a higher quality of the concrete surface. Since its discovery, a large number of researcher studied its rheological properties, adjusted mix design methods and analysed mechanical characteristics. The placement method for conventionally concrete is no more vali

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Scott, D. Travers, Evan Brody, and Katrina Pariera. "“You're a Cog in a System that Needs to Work”: Conditional Acceptance of LGBTQ College Athletes." QED: A Journal in GLBTQ Worldmaking 10, no. 1 (2023): 99–122. http://dx.doi.org/10.14321/qed.10.1.0099.

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Abstract A thematic analysis of interviews with lesbian, gay, and transgender US athletes who were out while playing varsity collegiate sports is examined for LGBTQ and athletic identifications. Conceptualizing being out as an ongoing process, we asked participants to describe their experiences over the years they were playing. Participants described athletic identifications as superordinate to and predating LGBTQ identifications. Although they initially anticipated overt conflict while out, they experienced more implicit than explicit homo/transnegativity. We draw upon theoretical perspective

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Dixson, Renee E. "What About Us?" International Journal of Information, Diversity, & Inclusion (IJIDI) 5, no. 4 (2021): 43–68. http://dx.doi.org/10.33137/ijidi.v5i4.36524.

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This article outlines the research being undertaken to develop the Assembling Queer Displacements Archive (AQDA). This open digital archive is the central focus of a research project that will address the lack of understanding of LGBTIQ+[i] experiences of forced displacement. These experiences are unique but have not received adequate attention. The existing body of work on ‘queering archives’ has been focused on challenging the archival approaches and practices in order to either queer these practices and/or make them more inclusive. However, this work has tended to ignore LGBTIQ+ stories of

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Simpson, Roona. "The Intimate Relationships of Contemporary Spinsters." Sociological Research Online 11, no. 3 (2006): 125–36. http://dx.doi.org/10.5153/sro.1422.

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Several theorists of social change have argued that there are profound transformations in social interactions emerging in the context of wider social, cultural and economic change, including a shift to greater choice and fluidity in personal relationships. Alongside this, there has been widespread academic support for the notion of individualism as a major explanation of family change, with several commentators raising concerns that changing familial forms signal increasing self-centredness and a decline in commitments to others. Remaining single can be seen as paradigmatic of such individuali

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Weyland, Kurt. "The Brazilian State in the New Democracy." Journal of Interamerican Studies and World Affairs 39, no. 4 (1998): 63–94. http://dx.doi.org/10.2307/166424.

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How does a country's transition to democracy affect the state? This question is of great importance, given the crucial role that the state has played in the economic, social, and political development of most countries affected by the “third wave” of democratization. Yet this topic has received insufficient scholarly attention. Indeed, definitional assumptions may make this question appear a non-issue: because the state is regarded as more permanent than a political regime, which can change with disturbing frequency, democratic transitions are often assumed to leave the state unchanged. Latin

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Thinh, Ngo Kien, and Yun Gao. "Understanding the Informal Morphology of Villages-in-the-City: A Case Study in Hanoi City, Vietnam." Sustainability 13, no. 23 (2021): 13136. http://dx.doi.org/10.3390/su132313136.

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This paper explores the production of space in the villages-in-the-city (ViCs) through a morphological perspective. During the urbanization process, rural villages originally located in the peri-area of a metropolis are eventually merged into the urban landscape. Due to lack of proper planning, these villages have faced serious criticism due to informality, self-organized development and sub-standard living conditions, and planning policies tend to focus on demolition rather than on incrementally upgrading ViCs on the same site. In this paper, we focus on the fluidity of spaces in ViCs by draw

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Suchodolski, Jakub, Jakub Muraszko, Przemysław Bernat, and Anna Krasowska. "A Crucial Role for Ergosterol in Plasma Membrane Composition, Localisation, and Activity of Cdr1p and H+-ATPase in Candida albicans." Microorganisms 7, no. 10 (2019): 378. http://dx.doi.org/10.3390/microorganisms7100378.

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Candida albicans is an opportunistic fungal pathogen of humans. Treatment of C. albicans infections relies on azoles, which target the lanosterol 14α-demethylase (Erg11p) encoded by the ERG11 gene. Our results show that targeted gene disruption of ERG11 can result in resistance to ergosterol-dependent drugs (azoles and amphotericin B), auxotrophy and aerobically viable erg11Δ/Δ cells. Abnormal sterol deposition and lack of ergosterol in the erg11Δ/Δ strain leads to reduced plasma membrane (PM) fluidity, as well as dysfunction of the vacuolar and mitochondrial membranes, resulting respectively

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Bradu, Aurelia, Nicolae Cazacu, and Nicolae Florea. "Self Compacting Concrete Properties of Medium Characteristic Strength." Advanced Engineering Forum 21 (March 2017): 272–79. http://dx.doi.org/10.4028/www.scientific.net/aef.21.272.

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Self-compacting concrete is a relatively new material in building industry, able to flow into place under its own weight, filling perfectly the formwork without vibration, avoiding segregation between cement paste and aggregate. The new technology allows to obtain a balance between deformability and stability with similar components of the conventionally vibrated concrete. The use of mineral admixtures provides savings and environmental benefits due to the consumption of by-products. Since its development SCC was widely used in precast industry due to higher powder content necessary to keep th

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Storek, Kelly M., Marcy R. Auerbach, Handuo Shi та ін. "Monoclonal antibody targeting the β-barrel assembly machine ofEscherichia coliis bactericidal". Proceedings of the National Academy of Sciences 115, № 14 (2018): 3692–97. http://dx.doi.org/10.1073/pnas.1800043115.

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The folding and insertion of integral β-barrel membrane proteins into the outer membrane of Gram-negative bacteria is required for viability and bacterial pathogenesis. Unfortunately, the lack of selective and potent modulators to dissect β-barrel folding in vivo has hampered our understanding of this fundamental biological process. Here, we characterize a monoclonal antibody that selectively inhibits an essential component of theEscherichia coliβ-barrel assembly machine, BamA. In the absence of complement or other immune factors, the unmodified antibody MAB1 demonstrates bactericidal activity

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Nazari, Ghawsaddin, Shunya Yamanaka, and Shigeyuki Date. "Evaluation of Fresh Properties and Rheology of Mortar Using Carbon-Free Fly Ash and Normal Fly Ash." Materials Science Forum 1005 (August 2020): 76–81. http://dx.doi.org/10.4028/www.scientific.net/msf.1005.76.

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Usage of mineral admixture and chemical admixture in concrete or mortar is a usual solution to reach full compaction, particularly where reinforcement blockage and lack of skilled labor happen. In this paper effect of mineral admixtures (Carbon-free fly ash, hereafter CfFA, and normal fly ash) on fresh properties and rheology of mortar have been investigated. As a result, it was confirmed that CfFA increased significantly the fluidity and air content of mortar in comparison to normal fly ash, both in 15% and 30% replacement; however, the flow loss and air stability within one hour were almost

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Fudge, Douglas S., E. Don Stevens, and James S. Ballantyne. "No evidence for homeoviscous adaptation in a heterothermic tissue: tuna heat exchangers." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 275, no. 3 (1998): R818—R823. http://dx.doi.org/10.1152/ajpregu.1998.275.3.r818.

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Many poikilotherms are known to adjust the membrane composition of their cells in response to a temperature change so that membrane fluidity, and therefore function, is conserved. Such compensatory changes in membrane composition are considered “homeoviscous adaptations.” In this study, we examined a heterothermic tissue, the visceral rete mirabile of the bluefin tuna, for evidence of homeoviscous adaptation. We measured the proportions of phospholipid fatty acids and phospholipid head groups as a function of position along the rete thermal gradient, which has been estimated to be ∼10°C. We fo

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