scholarly journals Method and stabilization system of position-sensitive spectrometer based on semiconductor strip detector

2021 ◽  
Vol 2103 (1) ◽  
pp. 012137
Author(s):  
Yu V Tuboltsev ◽  
I V Eremin ◽  
A A Bogdanov ◽  
Yu V Chichagov ◽  
V K Eremin ◽  
...  

Abstract The paper proposes a method and its realization for stabilizing the characteristics of a multichannel position-sensitive spectrometer. The device uses a new design of the semiconductor strip detector, which allows a simultaneous injection of stable in time electric charges on all strips. This solution enables the electronics to track changes in the conversion characteristics of all electronic channels including detectors strips, and correct them during the spectrometer operation. In addition, the proposed detector design makes it possible to control the signal propagation along the strips, thus providing an on-line check of the integrity of strips metallization and the quality of their connection with the readout electronics.

1996 ◽  
Vol 33 (1) ◽  
pp. 81-87
Author(s):  
L. Van Vooren ◽  
P. Willems ◽  
J. P. Ottoy ◽  
G. C. Vansteenkiste ◽  
W. Verstraete

The use of an automatic on-line titration unit for monitoring the effluent quality of wastewater plants is presented. Buffer capacity curves of different effluent types were studied and validation results are presented for both domestic and industrial full-scale wastewater treatment plants. Ammonium and ortho-phosphate monitoring of the effluent were established by using a simple titration device, connected to a data-interpretation unit. The use of this sensor as the activator of an effluent quality proportional sampler is discussed.


2009 ◽  
Vol 103 (1) ◽  
pp. 144-152 ◽  
Author(s):  
A.M. Mouazen ◽  
M.R. Maleki ◽  
L. Cockx ◽  
M. Van Meirvenne ◽  
L.H.J. Van Holm ◽  
...  

2017 ◽  
Vol 6 (3) ◽  
pp. 72
Author(s):  
Márcia Teles De Oliveira Gouveia ◽  
Hidelkarla Sales De Santana ◽  
Ana Maria Ribeiro Dos Santos ◽  
Girlene Ribeiro Da Costa ◽  
Márcia Astrês Fernandes

Objetivo: realizar busca de publicações científicas nas bases de dados sobre a qualidade de vida e o bem-estar do estudante universitário de enfermagem; descrever e analisar as perspectivas enfocadas na literatura. Metodologia: Revisão Integrativa da Literatura. Foram selecionados vinte e três estudos publicados entre 2010 e 2014, nas bases de dados Literatura Latino Americana e do Caribe de Informação em Ciências da Saúde, Medical Literature Analysis and Retrieval Sistem on-line e o Cumulative Index to Nursing and Allied Health Literature nos idiomas português, inglês e espanhol. Resultados: Observou-se que a qualidade de vida e o bem-estar encontram-se moderadamente bem na avaliação dos estudantes de enfermagem avaliados nos estudos, e que apesar dos estressores decorrentes do curso, os estudantes resolvem as situações estressantes com algumas técnicas de relaxamento e enfrentamento, mas também recorrendo ao uso de álcool e fumo. Os instrumentos utilizados nos estudos: WHOQOL-BREF, Inventário de Depressão de Beck e a Escala de Estresse Percebido. Conclusão: identificadas depressão, insônia, estresse e cansaço, decorrentes da vida acadêmica. Desse modo, importante às instituições e docentes estarem atentos para reconhecer precocemente os indicativos multidimensionais que afetam a qualidade de vida e o bem-estar dos seus estudantes, e implementar medidas preventivas.


Comunicar ◽  
2010 ◽  
Vol 18 (35) ◽  
pp. 131-139 ◽  
Author(s):  
Ana-Elena Schalk-Quintanar ◽  
Carlos Marcelo-García

Universities are gradually implementing virtual learning processes. However, research still remains limited in examining the internal processes that occur in learning in virtual environments. This article presents an investigation that seeks to describe the relationship between the quality of interaction in asynchronous discussion forums in training experiences in e-learning, and the quality of learning offered and achieved. The main objective was to determine how interactions in online environments add quality to the learning of students. For this, a descriptive investigation was done that combines qualitative and quantitative phase, analyzing more than 10,000 messages in 171 participants from four postgraduate courses developed in the form of e-learning. Asynchronous communication was analyzed through a category system that analyzes the social, cognitive and didactic discourse online. Among the research findings, there highlights a positive relationship between quality and quantity of speech of the participants and the quality of learning achieved and reflected in the different levels of assessment. We can conclude that the need to analyze, not only the written discourse in asynchronous communication, but also to establish relations with both cognitive and social learning of students. Moreover, we conclude the necessity to train teachers to deal with the processes of online communication. Las Universidades están implementando de forma progresiva procesos de formación virtual. Sin embargo, todavía resulta escasa la investigación que analiza los procesos internos en lo que se produce el aprendizaje en ambientes virtuales. En este artículo se presenta una investigación que busca describir la relación entre la calidad de la interacción, en los foros de discusión asincrónica en experiencias de formación en e-learning, y la calidad de los aprendizajes propuestos y logrados. El principal objetivo consistió en conocer, de qué forma las interacciones en los espacios virtuales, aportan calidad a los aprendizajes de los alumnos. Para ello se realizó un estudio descriptivo que combina una fase cualitativa y una cuantitativa, analizando más de 10.000 mensajes en 171 participantes de cuatro cursos de postgrado desarrollados en la modalidad de e-learning. Se analizó la comunicación asíncrona, a través de un sistema de categorías que contenía dimensiones sociales, cognitivas y didácticas del discurso on-line. Entre los resultados de la investigación se destaca una relación positiva entre la calidad y cantidad del discurso de los participantes y la calidad de los aprendizajes obtenidos y reflejados en las diferentes instancias de evaluación. Podemos concluir la necesidad de hacer un análisis, más allá del discurso escrito, para establecer relaciones con los aprendizajes tanto cognitivos como sociales de los alumnos. Por otra parte concluimos la necesidad de formar a los docentes para abordar los procesos de comunicación on-line.


2018 ◽  
Vol 44 ◽  
pp. 00023
Author(s):  
Anna Chernikova ◽  
Sergey Krasnov ◽  
Sergey Sergeyev

The practical implementation of the concept “Industry 4.0” entirely depends on the level of coordination between businesses, organizations and the entire group of consumers. The dominating comprehension of such interaction as a net of complex topology where nodes act as objects that have an interface a surface for contacts, results in a neuro-net-concept or the Web 4.0. Within the framework of the Russian national program “National Technological Initiative”, the development of this direction is considered as one of the main priorities. The quality of implementation of the system interaction in this paradigm is greatly influenced by algorithms used in the cloud servers of the nodes included into the structure of the Web 4.0. Besides, operation of businesses in the conditions of global markets will take place in the situation of strict competition and solutions forming the basis of the software have to be based on the scientific approach with the use of the methods of optimization and mathematical models. As the competition in the commercial sphere turned into the contest between the economic efficiency of on-line platforms, this work proposes a particular implementation of the algorithm of omni-channel interaction formed on the basis of a mathematical model.


2018 ◽  
Vol 12 (11) ◽  
pp. 3125
Author(s):  
Uilma Santos Souza ◽  
Claudia Feio da Maia Lima ◽  
Patrícia Figueiredo Marques ◽  
Maria da Conceição Costa Rivemales ◽  
Rosa Cândida Cordeiro ◽  
...  

RESUMOObjetivo: analisar a produção de conhecimento acerca da categoria de gênero nas teses de doutorado dos Programas de Pós-Graduação em Enfermagem no Brasil. Método: trata-se de revisão integrativa, referente ao período de janeiro/2001 a dezembro/2017, na qual foram utilizados os bancos de teses de Pós-Graduação em Enfermagem do Brasil, com os critérios nota Capes ≥ 4; título, resumo ou palavras-chave gênero ou gênero e saúde e disponibilidade on-line e na íntegra nos bancos de teses dos Programas de Pós-Graduação. Resultados: analisaram-se 28 teses de doutorado que atenderam aos critérios de inclusão. De acordo com os resultados e considerando a região onde funcionam os Programas de Pós-Graduação em Enfermagem que discutem gênero, 15 teses (53,57%) foram publicadas na região Sudeste, nove (32,14%) na região Nordeste e quatro (14,28%) na região Sul. As temáticas discutidas englobaram gênero e adoecimento crônico, com oito produções (28,57%); gênero e demandas de saúde, com oito (28,57%) e vulnerabilidade e gênero, com 12 (42,85%). Conclusão: revela-se, pelas teses analisadas neste estudo, a importância do conhecimento de Enfermagem acerca das questões associadas à categoria de gênero e suas devidas implicações à saúde cooperando para a qualidade do cuidado. Descritores: Enfermagem; Gênero; Programa; Pós-Graduação; Conhecimento; Brasil.ABSTRACT Objective: to analyze the production of knowledge about the gender category in the doctoral theses of the Post-graduate Programs in Nursing in Brazil. Method: it is an integrative review, referring to the period from January 2001 to December 2017, in which the thesis databases of Nursing Post-Graduation in Brazil were used, with the criteria Capes ≥ 4; title, abstract or keywords gender or gender and health and availability online and in full in the thesis banks of the Post-graduate Programs. Results: 28 doctoral theses that met the inclusion criteria were analyzed. According to the results, 15 theses (53.57%) were published in the Southeast region, nine (32.14%) in the Northeast region and four (14.28%) in the South region. The subjects discussed included gender and chronic illness, with eight productions (28.57%); gender and health demands, with eight (28.57%) and vulnerability and gender, with 12 (42.85%). Conclusion: the thesis analyzed in this study reveals the importance of Nursing knowledge about the issues associated with the gender category and its related health implications, cooperating for the quality of care. Descritores: Nursing; Genre; Program; Postgraduate studies; Knowledge; Brazil. RESUMEN Objetivo: analizar la producción de conocimiento acerca de la categoría de género en las tesis de doctorado de los Programas de Post-Graduación en Enfermería en Brasil. Método: se trata de una revisión integrativa, referente al período de enero / 2001 a diciembre / 2017, en la cual se utilizaron los bancos de tesis de Postgrado en Enfermería de Brasil, con los criterios nota Capes ≥ 4; título, resumen o palabras clave género o género y salud y disponibilidad en línea y en su totalidad en los bancos de tesis de los Programas de Postgrado. Resultados: se analizaron 28 tesis de doctorado que atendieron a los criterios de inclusión. De acuerdo con los resultados y considerando la región donde funcionan los Programas de Post-Graduación en Enfermería que discuten género, 15 tesis (53,57%) fueron publicadas en la región Sudeste, nueve (32,14%) en la región Nordeste y cuatro (14,28%) en la región Sur. Las temáticas discutidas englobaron género y enfermedad crónica, con ocho producciones (28,57%); género y demandas de salud, con ocho (28,57%) y vulnerabilidad y género, con 12 (42,85%). Conclusión: se revela, por las tesis analizadas en este estudio, la importancia del conocimiento de Enfermería acerca de las cuestiones asociadas a la categoría de género y sus debidas implicaciones a la salud cooperando para la calidad del cuidado. Descritores: Enfermería; género; Programa; Posgraduación; Conocimiento; Brasil.


Author(s):  
I. S. Kruk ◽  
A. A. Tiunchik ◽  
V. Romanyuk

Continuous improvement of field sprayer design aimed at performance increase by increasing the working width, requires a special approach to ensure reliability of the supporting rod structure and quality of technological process. The question of rod vibrations, which arise when the driving systems copy field rough surface and abrupt changes in speed of the unit, remains topical. At the design stage of supporting structures of the rods, special attention is paid to the substantiation of its geometrical parameters in the longitudinal and transverse sections; studies of changes in the characteristics of vertical and horizontal vibrations, taking into account the method of the rod hanging and the system used for its stabilization. This allows to ensure the reliability of the rod design and the required quality of the technological process. The article proposes construction of the rod independent pendulum suspension on the sprayer frame and its stabilization system based on the use of damping elements. The analytical studies sequence system was developed for rod vibrations analysis, depending on initial conditions, parameters and characteristics of the used damping elements, under which they are effectively damped. It is shown that at certain numerical values of the geometrical parameters of the rod, the suspension and vibrations damping methods, not only the numerical values of the functions are changed, but also the functions themselves that describe the process of the rod's vertical movement, including cases of resonance. The obtained theoretical results can be used for design and testing of machines with rod working units and allow, at design stages, to simulate the process of movement of various rod structures from external excitatory forces, and to determine patterns of changes in the characteristics of damped vibrations using different damping elements and their installation parameters.


2012 ◽  
pp. 11-19
Author(s):  
András Cseh

Nowadays the different IT tools and use of the internet have appeared almost in every sectors of the economy, so it may give several benefits and help to the agricultural producers. In this article I give a brief overview about e-government and its’ opportunities, then I give a short description of a few important governmental and specialized administration on-line services which are provided to the farmers. According to many experts using of informatics may cause essential change in the operation of the administration because of the fact that the electronic administration may evolve. Generally speaking, today the egovernment services are already an indispensable device to the reformation of the public administration, the modification of services which suits to people's demands and the creation of the more adaptable, clearer public administration. The electronicdocuments are free from formal errors which is either important for clients or offices. The cases can be arranged even from home in 24 hours of the day. The spread and success of the use of electronic services depend not only on the quality of services, but the IT readiness of the target audience is also very important factor. Unfortunately the affect of e-gap is bigger in case of the farmers.


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