Literatura científica selecionada sobre o tema "Raschig way"

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Artigos de revistas sobre o assunto "Raschig way"

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El Hajj, A., A. J. Bougrine, D. M. Le, V. Pasquet, and H. Delalu. "Another route to obtain pyrazolidine passing through the synthesis of 1 and 2-pyrazoline by intramolecular Raschig way." Reaction Kinetics, Mechanisms and Catalysis 120, no. 2 (2016): 619–35. http://dx.doi.org/10.1007/s11144-016-1117-3.

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Rost, Jürgen. "Was ist aus dem Rasch-Modell geworden?" Psychologische Rundschau 50, no. 3 (1999): 140–56. http://dx.doi.org/10.1026//0033-3042.50.3.140.

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Zusammenfassung. Das Rasch-Modell hat sich als Herausforderung an die klassische Testtheorie bei der Konstruktion und Entwicklung von Testinstrumenten nicht durchgesetzt, was wiederum der Meßtheorie von Rasch in der universitären Lehre einen nachrangigen Platz zuweist. In dem Beitrag wird argumentiert, daß das Rasch-Modell aus modelltheoretischer Perspektive heraus gar nicht als Konkurrent, sondern als komplementäres Modell zur klassischen Testtheorie zu verstehen ist. Die eigentlich neuen Impulse für eine Fortsetzung der Diskussion um die Rasch-Meßtheorie ergeben sich jedoch aus den Weiterent
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Lv, Xiao Mei, Ji Li, Zhen Jiang Zhang, and Xin Lei Gao. "Exploring Research on Raschig Rings/Ceramic Double-Packed BAF." Advanced Materials Research 598 (November 2012): 556–60. http://dx.doi.org/10.4028/www.scientific.net/amr.598.556.

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A BAF double packed with Raschig rings/ceramic media was developed to determine its pollutants removal efficiency with less frequent backwashing as compared with ordinary BAF. Results showed that a stable operation was achieved during the entire test period and the backwashing cycle time could be extended as well. The COD and SS removals of 57% and 52%, respectively, could be achieved by the Raschig rings packed layer. Nitrifying bacteria accounted for as much as 95% in the ceramic packed layer and ensured high nitrification efficiency with a removal rate of 40.2 gNH4+-N/h•m3. With wastewater
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Sander, O., M. Schneider, and G. Chehab. "Extrapulmonale Sarkoidose bei einer 30-jährigen Patientin." Arthritis und Rheuma 26, no. 02 (2006): 87–89. http://dx.doi.org/10.1055/s-0037-1618536.

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ZusammenfassungWir berichten über eine 30 Jahre alte Patientin mit einer systemischen Entzündungsreaktion, rezidivierendem Fie-ber, Myalgien, Leberwerterhöhung, einem Exanthem und einer Bluteosinophilie. Bei initialem Verdacht auf ein Hypersensitivitätssyndrom wurde eine Glukokortikoidbehandlung eingeleitet. Nach Besserung kam es unter ungeplanter rascher Glukokortikoidreduktion zum Relaps sowie einer Visusverschlechterung und einem akuten Nierenversagen. Die ophthalmologische Diagnostik dokumentierte eine posteriore Uveitis in Form einer akuten multifokalen plakoiden Pigmentepithelopathie. Bi
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Gerhardt, Louisa M. S., Lisa Sabath, Beat Müller, Joel Capraro, and Katrin Borm. "Paraneoplastisches Cushing-Syndrom als Ursache von therapierefraktärer Hypokaliämie." DMW - Deutsche Medizinische Wochenschrift 145, no. 11 (2020): 783–86. http://dx.doi.org/10.1055/a-1163-9873.

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Zusammenfassung Anamnese und klinischer Befund Ein 58-jähriger Mann stellte sich mit therapierefraktärer Hypokaliämie und rascher Gewichtszunahme vor. Klinisch bestanden hypertensive Blutdruckwerte, eine stammbetonte Adipositas und ausgeprägte Beinödeme. Untersuchungen und Diagnose Die Laboruntersuchungen ergaben eine hypokaliämische metabolische Alkalose bei ACTH-abhängigem Hyperkortisolismus. Die Thorax-Abdomen-CT zeigte eine pulmonale Raumforderung und eine Raumforderung der rechten Nebenniere. Bioptisch wurde die Diagnose eines ACTH-produzierenden kleinzelligen Lungenkarzinoms gestellt. Th
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Heather Merle Benbow. ""Weil ich der raschen Lippe Herr nicht bin": Oral Transgression as Enlightenment Disavowal in Kleist's Penthesilea." Women in German Yearbook: Feminist Studies in German Literature & Culture 22, no. 1 (2006): 145–66. http://dx.doi.org/10.1353/wgy.2006.0011.

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Leonard, Tom, and Melvin R. Novick. "Bayesian Full Rank Marginalization for Two-Way Contingency Tables." Journal of Educational Statistics 11, no. 1 (1986): 33–56. http://dx.doi.org/10.3102/10769986011001033.

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A general approach is proposed for modeling the structure of an r × s contingency table and for drawing marginal inferences about all parameters (e.g., interaction effects) in the model. The main approach is relevant whenever rs − r − s + 1≥5. The approach may also be used to check the adequacy of Rasch’s multiplicative Poisson model. In general, the posterior estimates of the cell probabilities compromise between the cell frequencies and the fitted values obtained under the reduced model in the spirit of Leonard (1975) . It is also possible to compute reasonable approximations to the full pos
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Kloke, Marianne. "Der allumfassende Schmerz und was daraus folgt." Deutsche Zeitschrift für Onkologie 52, no. 04 (2020): 168–71. http://dx.doi.org/10.1055/a-1246-7889.

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ZusammenfassungEin im Rahmen einer rasch fortschreitenden und zum Tode führenden Erkrankung auftretendes komplexes Symptomgeschehen indiziert eine spezialisierte Palliativversorgung. Ihre Philosophie basiert auf einer ganzheitlichen Sicht der Menschen und seiner Familie. So kann das multiprofessionelle Team die physische, psychische, soziale und spirituelle Ebene des Leidens gezielt adressieren und für den Patienten ein umfassendes Behandlungs- und Begleitungskonzept erstellen. Wird das bio-psycho-soziale-spirituelle Konzept dessen, was Leiden ausmacht, missachtet, besteht die Gefahr unwirksam
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Balmer, Hannes. "Notfälle bei Demenz – was Sie tun können." Therapeutische Umschau 72, no. 1 (2015): 29–31. http://dx.doi.org/10.1024/0040-5930/a000634.

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Häufige Notfälle bei Demenzerkrankten sind Aggressivität, Schreien, Tag-Nacht-Umkehr, sonstige Verhaltensstörungen und Stürze. Ursache ist nicht selten ein Delir, vor allem wenn es zu einer raschen Änderung gekommen ist. Besonders hypoaktive Delirien sind schwer zu erkennen. Akute somatische Erkrankungen haben bei Dementen eine andere Bedeutung als bei Nicht-Dementen, Prioritäten müssen der Hirnleistungsschwäche angepasst werden. Neben medizinischen müssen auch ethische Entscheide gefällt werden. Besondere Bedeutung kommt den Ressourcen des Betreuernetzes zu. Es werden nicht-medikamentöse und
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Kloke, Marianne. "Der allumfassende Schmerz und was daraus folgt." Onkologische Welt 12, no. 02 (2021): 114–18. http://dx.doi.org/10.1055/a-1403-6344.

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ZUSAMMENFASSUNGEin im Rahmen einer rasch fortschreitenden und zum Tode führenden Erkrankung auftretendes komplexes Symptomgeschehen indiziert eine spezialisierte Palliativversorgung. Ihre Philosophie basiert auf einer ganzheitlichen Sicht der Menschen und seiner Familie. So kann das multiprofessionelle Team die physische, psychische, soziale und spirituelle Ebene des Leidens gezielt adressieren und für den Patienten ein umfassendes Behandlungs- und Begleitungskonzept erstellen. Wird das bio-psycho-soziale-spirituelle Konzept dessen, was Leiden ausmacht, missachtet, besteht die Gefahr unwirksam
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Mais fontes

Teses / dissertações sobre o assunto "Raschig way"

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Frangieh, Marie-Rose. "Thermodynamique des équilibres entre phases appliquée à la définition des conditions d’extraction et de purification de la N-aminopyrrolidine." Thesis, Lyon 1, 2011. http://www.theses.fr/2011LYO10016/document.

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Ce travail est consacré à l’étude du procédé de synthèse, d’extraction et de purification d’une hydrazine exocyclique à applications cosmétiques, la N-aminopyrrolidine (NAPY). Dans un premier temps, l’optimisation des conditions de synthèse par la voie Raschig e été conduite en étudiant l’influence de deux paramètres, rapport molaire des réactifs (NH2Cl, pyrrolidine) et la température, sur le rendement de la réaction. Les solutions brutes de synthèse étant très diluées (≈5%g en NAPY), l’extraction et la purification du produit utile sont souvent liées à des opérations successives de démixtion
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Rasch, Dieter, Thomas Rusch, Marie Simeckova, Klaus D. Kubinger, Karl Moder, and Petr Simecek. "Tests of additivity in mixed and fixed effect two-way ANOVA models with single sub-class numbers." Springer, 2009. http://dx.doi.org/10.1070/s00362-009-0254-4.

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In variety testing as well as in psychological assessment, the situation occurs that in a two-way ANOVA-type model with only one replication per cell, analysis is done under the assumption of no interaction between the two factors. Tests for this situation are known only for fixed factors and normally distributed outcomes. In the following we will present five additivity tests and apply them to fixed and mixed models and to quantitative as well as to Bernoulli distributed data. We consider their performance via simulation studies with respect to the type-I-risk and power. Furthermore, tw
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Livros sobre o assunto "Raschig way"

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Brandl, Rainer, and Roman Leitner. Steuern im Griff. Verlag Österreich, 2021. http://dx.doi.org/10.33196/9783704687326.

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Risiken erkennen - vermeiden - bewältigen In der Rolle des Unternehmers oder der Unternehmerin, der Geschäftsführung oder einer Führungskraft sind Sie jederzeit auch finanzstrafrechtlichen Risiken ausgesetzt. Ein grundlegendes Verständnis für solche Risiken ist damit unentbehrlich - vor allem dann, wenn es darum geht, persönliche Haftungsrisiken oder Verbandsrisiken für das Unternehmen abzuwenden. Dieses Buch führt Ihnen unmittelbar vor Augen, welche zentralen Finanzvergehen in der Praxis tatsächlich vorkommen und auf welchen Grundlagen des Finanzstrafrechts diese basieren. Viele Beispiele und
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Capítulos de livros sobre o assunto "Raschig way"

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Kudiya, Komarudin, Bambang Sumintono, Setiawan Sabana, and Agus Sachari. "Batik Artisans’ Judgment of Batik Wax Quality and Its Criteria: An Application of the Many-Facets Rasch Model." In Pacific Rim Objective Measurement Symposium (PROMS) 2016 Conference Proceedings. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8138-5_3.

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Engdal Jensen, Ragnhild. "Implications of Changing the Delivery Mode on Reading Tests in Norway—A Gender Perspective." In Equity, Equality and Diversity in the Nordic Model of Education. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-61648-9_13.

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AbstractWhat can be seen as a digital shift in society is also visible in the Norwegian educational system, as the use of digital devices has increased in both teaching and learning activities. Together with some practical and logistical reasons, the former has very much facilitated the change of delivery mode of the Norwegian National Assessment of Reading Literacy. At the same time, a concern arose regarding whether the test will continue to measure the same underlying concept of reading as before. Furthermore, from the equity perspective, it is important that the change of mode is not disfavourable to any particular group of students. As a solution to this, the format of the test is preserved using fixed, as opposed to dynamic, texts, assuming that fixed texts are consumed in the same way regardless of whether they are presented on paper or on screen. Building on this, this chapter reports on a field trial study for the 2016 Norwegian National Assessment in reading. Nine hundred seventy-three eighth graders from nine different schools participated in completing reading tests on either paper or screen. The main aim of the study is to explore to what extent delivery mode seems to influence students’ outcomes. In particular, we investigate whether the change in delivery mode affects boys’ and girls’ results on reading comprehension tests in the same way. For the purpose of analysis, the Rasch model will be used as a measure of student ability and a multiple regression model will be used to investigate gender differences across the modes. Based on the research so far, we assume that the change in mode will not have a significant impact on student performance relative to gender. The results will be discussed in the light of the gender gap in reading achievement present in the Norwegian educational system.
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Beckford, William. "Vathek." In Vathek. Oxford University Press, 2013. http://dx.doi.org/10.1093/owc/9780199576951.003.0002.

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Vathek, ninth Caliph* of the race of the Abassides, was the son of Motassem, and the grandson of Haroun al Raschid.* From an early accession to the throne, and the talents he possessed to adorn it, his subjects were induced...
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Mueller, Christian E., and Kelly D. Bradley. "Utilizing the Rasch Model to Develop and Evaluate Items for the Tacit Knowledge Inventory for Superintendents (TKIS)." In Global Aspects and Cultural Perspectives on Knowledge Management. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-60960-555-1.ch017.

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Tacit knowledge was originally introduced into the professional literature by Michael Polanyi and later made popular by researchers in a variety of domains. Measuring this implicit form of procedural knowledge requires multiple approaches to adequately “capture” what is often known, but not easily articulated. The present study combines use of Sternberg et al.’s framework for capturing domain-specific tacit knowledge with that of Rasch modeling to develop and validate items for use on a newly developed tacit knowledge inventory. Development of the Tacit Knowledge Inventory for Superintendents (TKIS) occurred in three phases, including two phases of piloting and Rasch analysis. For illustrative purposes, presentation of results is limited to the Rasch analyses conducted on interpersonal tacit knowledge items. However, the methodology extends its usefulness to researchers and practitioners to guide the development process of similar assessments.
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Sampson, Shannon, Kelly D. Bradley, Heather Arrowsmith, and Richard Mensah. "Implementing a Measurement Framework to Assess and Evaluate Student Readiness for Online Learning and Growth." In Handbook of Research on Digital Content, Mobile Learning, and Technology Integration Models in Teacher Education. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-2953-8.ch017.

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This chapter was developed out of a study on the effectiveness of an online technology mini-course to prepare students for success in online classes. The work focuses on the methodology used to measure student readiness to engage with technology, and to measure growth in student technical knowledge as a result of the mini-course. The researchers applied Rasch analysis for both of these purposes, creating measurement scales from brief surveys. This chapter describes the results of the study, providing a step-by-step description of how to develop a similar scale for use in the classroom, and how to interpret results of Rasch analysis to gain valuable insight into student understanding of technology.
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Bradley, Kelly D., Linda Worley, Jessica D. Cunningham, and Jeffery P. Bieber. "Measuring Perceptions of New Faculty towards Research, Service, and Teaching in Higher Education." In Handbook of Research on Transnational Higher Education. IGI Global, 2014. http://dx.doi.org/10.4018/978-1-4666-4458-8.ch014.

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The New Faculty Preparation Survey was designed to measure perceptions of recently hired faculty regarding research, service, and teaching for self and institution, while considering academic preparation. A Rasch measurement model was applied to the calibration sample responses to evaluate the psychometric properties of the instrument, providing a foundation for structural modifications. Rasch results revealed sound reliability; however, item misfit existed, coupled with limited utility of the full rating scale. Studying the measurement properties of the instrument will aid in proper interpretation of the results and in the construction of an instrument that can be used by higher education institutions to better understand faculty, and potentially to enhance programmatic structuring. Accurately measuring and understanding faculty perceptions across research, service, and teaching can aid in professional development training at the university level, future faculty preparation, and general faculty satisfaction.
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Soutar, Geoffrey N., and Steven Ward. "End Users' Acceptance of Information Technology." In Advances in End User Computing. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-60566-687-7.ch013.

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While there has been research on the diffusion of a particular type of innovation, few if any studies have examined the acceptance of a set of innovations (behavioral innovativeness) over time. This study using the Rasch methodology found evidence that computer hardware innovations are adopted in a particular order. The same could not be said for computer software, whose acceptance may be application based. This study applied a theoretical framework based on the diffusion of innovation literature (See Rodgers 1995). Data was collected via a telephone survey of 302 computer users. Scores obtained from Rasch analysis were used as the dependent variable (that of behavioral innovativeness) in a regression analysis, against factors such as overall innovativeness, use innovativeness, opinion leadership/acceptance, product class knowledge and use of sources of information. Determinates of the level of behavioral innovativeness were found to be personality traits of innovateness, (a willingness to trial new technology) and use innovateness (how innovatively existing information technology was used). The level of recent purchases in the last month of information technology items, a measure of leading edge use was also positively associated with acceptance of new technology. The research findings suggest that computer hardware manufacturers can assume that there is an order of acceptance of new technology and so can predict from the knowledge of existing hardware the acceptance of innovations in the future. Computer manufacturers can also effectively target early adopters of their technology given the results of this study. Rasch modeling can also be beneficial for organizations wishing to market diverse computer packages to users, as it allows a numerical scoring of a users acquisition profile or use of information technologies.
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Khvorostyanov, Vitaly I., and Kenneth Sassen. "Microphysical Processes in Cirrus and Their Impact on Radiation: A Mesoscale Modeling Perspective." In Cirrus. Oxford University Press, 2002. http://dx.doi.org/10.1093/oso/9780195130720.003.0023.

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The impact of cloudiness on the global radiative budget and its climatic consequences have been widely discussed during the last three decades. It was gradually recognized that the climatic effect of cloudiness depends on its height: low- and middle-level cloudiness have a total cooling effect on the Earth climatic system, while the upper-level clouds, cirrus, may have mostly a warming effect (IPCC 1995). The net effect of cirrus (i.e., warming or cooling), is much less clear because neither their microphysical and optical properties, nor the processes that govern their formation, are well understood and parameterized in climate models. These uncertainties have stimulated several major field projects performed within the International Satellite Cloud Climatology Project (ISCCP; Rossow and Schiffer 1991) with subsequent data analysis reports [e.g., FIRE IFO-I (1990), FIRE IFO-II (1995), and EUCREX (Raschke et al. 1996)]. The relevant theoretical works, and even the simplest climate models, indicate that the climatic impact of cirrus depends on their microstructure: clouds composed of small crystals with effective radii less than about 16 μm have a total cooling effect, but clouds of larger crystals have a warming effect (Stephens et al. 1990). It was shown that the total cloud forcing at the top of the atmosphere (TOA) is positive from a few to a few tens of watts per square meter for the large crystals and decreases with decreasing crystal radius (Fu and Liou 1993). Most of the previous theoretical studies of cirrus radiative properties, after choosing some model of microphysics and some values for the mass extinction and absorption coefficients, then prescribed them to the whole cloud, neglecting any vertical variations. Simulations with general circulation models (GCMs) showed that cirrus clouds with their optical properties parameterized in such a way (i.e., constant with height) have a total warming effect and positive feedbacks with respect to greenhouse gas-induced global warming (e.g., Ramanathan et al. 1983; Wetherald and Manabe 1988). Today, the estimation of the warming/cooling effect of cirrus has become even more complicated due to two factors. First, for many years the usual in situ probes allowed the measurement of ice crystals with radii only larger than 25-50 μm, so the smallest and most optically and radiatively active crystals were unresolved.
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Sassen, Kenneth, and Gerald Mace. "Ground-based Remote Sensing of Cirrus Clouds." In Cirrus. Oxford University Press, 2002. http://dx.doi.org/10.1093/oso/9780195130720.003.0012.

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Cirrus clouds have only recently been recognized as having a significant influence on weather and climate through their impact on the radiative energy budget of the atmosphere. In addition, the unique difficulties presented by the study of cirrus put them on the “back burner” of atmospheric research for much of the twentieth century. Foremost, because they inhabit the frigid upper troposphere, their inaccessibility has hampered intensive research. Other factors have included a lack of in situ instrumentation to effectively sample the clouds and environment, and basic uncertainties in the underlying physics of ice cloud formation, growth, and maintenance. Cloud systems that produced precipitation, severe weather, or hazards to aviation were deemed more worthy of research support until the mid- 1980s. Beginning at this time, however, major field research programs such as the First ISCCP (International Satellite Cloud Climatology Program) Regional Experiment (FIRE; Cox et al. 1987), International Cirrus Experiment (ICE; Raschke et al. 1990), Experimental Cloud Lidar Pilot Study (ECLIPS; Platt et al. 1994), and the Atmospheric Radiation Measurement (ARM) Program (Stokes and Schwartz 1994) have concentrated on cirrus cloud research, relying heavily on ground-based remote sensing observations combined with research aircraft. What has caused this change in research emphasis is an appreciation for the potentially significant role that cirrus play in maintaining the radiation balance of the earth-atmosphere system (Liou 1986). As climate change issues were treated more seriously, it was recognized that the effects, or feedbacks, of extensive high-level ice clouds in response to global warming could be pivotal. This fortunately came at a time when new generations of meteorological instrumentation were becoming available. Beginning in the early 1970s, major advancements were made in the fields of numerical cloud modeling and cloud measurements using aircraft probes, satellite multispectral imaging, and remote sensing with lidar, short-wavelength radar, and radiometers, all greatly facilitating cirrus research. Each of these experimental approaches have their advantages and drawbacks, and it should also be noted that a successful cloud modeling effort relies on field data for establishing boundary conditions and providing case studies for validation. Although the technologies created for in situ aircraft measurements can clearly provide unique knowledge of cirrus cloud thermodynamic and microphysical properties (Dowling and Radke 1990), available probes may suffer from limitations in their response to the wide range of cirrus particles and actually sample a rather small volume of cloud during any mission.
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Trabalhos de conferências sobre o assunto "Raschig way"

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Cha´vez, Rosa H., and Javier de J. Guadarrama. "Contamination Prevention of the Sulfur Dioxide Using Structured Packing." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33198.

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The atmospheric contamination is a significant problem for the population of the big cities. This problem has its origin in the burning of heavy oil, that is carried out to liberate its energy content. Its use as a primary source of energy has high pollution effects in its process due to the formation and expulsion of gases and particles as a consequence of its combustion that contaminate the atmosphere. Although it has had enough relative elements of legal type relative to the contamination, specially atmospheric contamination, there is a lack of solutions adapted to the characteristics of th
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Føre, Heidi Moe, Per Christian Endresen, Carina Norvik, and Pål Lader. "Hydrodynamic Loads on Net Panels With Different Solidities." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18875.

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Abstract Drag forces on nets represent the largest contribution to hydrodynamic loads on traditional fish farms, and will have a large impact on total loads on new designs utilizing netting as containment method. Precise methods for estimation of drag loads are needed. This paper gives new knowledge on hydrodynamic forces acting on aquaculture nets. It presents results from towing tests, including updated drag and lift coefficients for Raschel knitted netting materials used in nets for aquaculture, and quantify wake effect. The results include high solidity nets and high towing velocities. It
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Moe Føre, Heidi, Stine Wiborg Dahle, and Rune H. Gaarder. "Tensile Strength of Nylon Netting Subjected to Various Concentrations of Disinfecting Chemicals." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-61519.

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This paper presents a study of traditional netting materials subjected to disinfecting chemicals during fish farming and treatment of net cages. A series of tests were performed in order to study the effect of various concentrations of disinfecting chemicals on the tensile strength of Raschel knitted Nylon netting materials. Simulated spill of diluted hydrogen peroxide to the jump fence during de-lousing did not affect the strength of the applied new and used knotless nylon netting samples. Hydrogen peroxide reacted with biofouling forming gas bubbles, but this did not result in reduced nettin
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Relatórios de organizações sobre o assunto "Raschig way"

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Stone, Gregory. Discussion & analysis: Spatial reasoning assessment. The Learning Partnership, 2021. http://dx.doi.org/10.51420/report.2021.2.

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A complete Rasch multi-faceted analysis was performed on the draft Spatial Reasoning Assessment. While the psychometric report presents the complete analysis for the examination, this discussion proceeds step-by-step to understand the way in which the analysis proceeded, and the findings therein. The findings were that holistically, the instrument performed admirably. As a pretest, it is likely that students were not expected to demonstrate certain reasoning skills (e.g., GIS) as indeed they did not. The rating scale functions well to capture the examiner judgement. Overall, the instrument wor
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