Evaluation criteria for the quality of published experimental data on nanomaterials and their usefulness for QSAR modelling

2013 ◽  
Vol 24 (12) ◽  
pp. 995-1008 ◽  
Author(s):  
L. Lubinski ◽  
P. Urbaszek ◽  
A. Gajewicz ◽  
M.T.D. Cronin ◽  
S.J. Enoch ◽  
...  
Author(s):  
V. V. Deryushev ◽  
◽  
M. M. Zaytseva ◽  
E. E. Kosenko ◽  
S. K. Mamberger ◽  
...  

Introduction. The properties of an object with metal structures and the safety of its use depend on the environmental impact. This explains the urgency of the problem of universality of anticorrosive coatings. Problem Statement. The main goal of the study is to find a new approach to choosing the most rational means of protecting metal structures from corrosion based on experimental data. This takes into account the possibility of obtaining fuzzy information on various evaluation criteria. Theoretical Part. The main objectives of the study: the formation and justification of necessity of application of concepts (axioms) of sufficiency; analysis of the quality of anti-corrosion materials; constructing a measure for assessing (analyzing) the quality of facilities; evaluation (analysis) of quality of corrosion resistance in accordance with the concept of sufficiency. Conclusion. The original approach to the problem of choosing the most rational means of protecting metal structures from corrosion is based on experimental data. The considered general methodology can be used for selecting criteria for evaluating the safety of metal structures, since it is based on proven decision-making methods.


Author(s):  
D.I. Engalychev ◽  
N.A. Engalycheva ◽  
A.M. Menshikh

Представлены экспериментальные данные о влиянии капельного орошения на урожайность и качество плодов томата при выращивании культуры в открытом грунте Московской области. На плодородных аллювиальных луговых почвах Москворецкой поймы при соблюдении агротехники без орошения в среднем за три года исследований в полевых условиях получена урожайность томата F1 Донской 31,9 т/га, с орошением 48,5 т/га, в т.ч. стандартной продукции 42,6 т/га.The article presents experimental data on the effect of drip irrigation on the yield and quality of tomato fruits when growing crops in open ground of the Moscow Region. On fertile alluvial meadow soils of the Moscow river floodplain, with the observance of agricultural technology without irrigation, the field yield of tomato hybrid F1 Donskoi on average for three years of research was 31.9 t/ha, with irrigation 48.5 t/ha, incl. standard production 42.6 t/ha.


2017 ◽  
Vol 14 (4) ◽  
pp. 30-38
Author(s):  
V. G. Isaev ◽  
T. N. Antipova

Basic provisions of the concept and methodology of production of composite materials for the missile and space equipment are offered. The system of the purposes realizing the principle of a priority of the purposes of the customer is offered. The system of evaluation criteria and indicators of quality of composite materials the realizing interrelation of requirements of the customer to quality of material and dependence of ensuring the required quality on the used technologies is developed. It is shown that for ensuring quality of composite materials for units and the RKT systems first of all it is necessary development of mathematical dependences of properties of materials on parameters of the technological modes in the conditions of obligatory implementation of requirements of the customer.


2018 ◽  
Author(s):  
Zisheng Ai ◽  
Yuhong Tang ◽  
Jiaqi Zheng ◽  
Sanyou Wu ◽  
Ying Wu

BACKGROUND Figures are an important form of expressing results commonly found in medical papers and make data easy to read and compare. The quality of graphs in original papers has improved in western medical journals. However, some figures fail to correctly express the results of a paper. Additionally, graph quality and application has not been assessed in medical journals outside western countries. OBJECTIVE To determine the frequency and types of data graphs used in Chinese academic medical journals and evaluate the quality of graphs used in original medical papers. METHODS A total of 783 papers were surveyed from the medical journals of five colleges and universities in Shanghai from 2011 to 2015. A cross-sectional study was used to analyse the applied status and graph quality. The evaluation criteria of graphs mainly included graph type, visual clarity, completeness, and special standards. RESULTS Most authors prefer to use simple charts, and bar charts with 95% CI were the most widely used. More than 60% of charts have problems with visual clarity, completeness, and special standards. Of 841 incorrect graphs, 10 (0.58%) graphs had three combined problems of graph characteristics, and 292 (34.72%) graphs had any two combined problems of graph characteristics. For detailed errors, the absence of variance description was the most substantial problem, especially in 2014 and in some academic medical journals. CONCLUSIONS Graphs are less commonly applied in the five university journals. However, the quality of papers using graphs was not properly controlled. Editors and journal quality management should strengthen the quality control of charts in papers. Authors should also avoid error bias and distorting their conclusions.


Author(s):  
Salim Meziani ◽  
Lynda Djimli

The first objective of this paper investigates the influence of the previous strain history on ratcheting of the 304 L stainless steel on ambient temperature. The identification is done using the Chaboche constitutive model. New tests were performed where different strain-controlled histories have been applied prior to ratcheting tests. It is demonstrated that under the same conditions, one can observe ratcheting, plastic shakedown or elasticity according to the prior strain-controlled history. The second objective points out the correlation between the experimental data base devoted to the identification of the material parameters and the quality of the predictions in cyclic plasticity. The results suggest that the choice of the tests should be closely linked to the capabilities of the model. In particular, the presence of non proportional strain-controlled tests in the data base may be not a good choice if the model itself is not able to represent explicitly such a character.


2015 ◽  
Vol 49 (4) ◽  
pp. 0540-0549 ◽  
Author(s):  
Emiliana Cristina Melo ◽  
Rosana Rosseto de Oliveira ◽  
Thais Aidar de Freitas Mathias

OBJECTIVETo assess the quality of prenatal care in mothers with premature and term births and identify maternal and gestational factors associated with inadequate prenatal care.METHODCross-sectional study collecting data with the pregnant card, hospital records and interviews with mothers living in Maringa-PR. Data were collected from 576 mothers and their born alive infants who were attended in the public service from October 2013 to February 2014, using three different evaluation criteria. The association of prenatal care quality with prematurity was performed by univariate analysis and occurred only at Kessner criteria (CI=1.79;8.02).RESULTSThe indicators that contributed most to the inadequacy of prenatal care were tests of hemoglobin, urine, and fetal presentation. After logistic regression analysis, maternal and gestational variables associated to inadequate prenatal care were combined prenatal (CI=2.93;11.09), non-white skin color (CI=1.11;2.51); unplanned pregnancy (CI=1.34;3.17) and multiparity (CI=1.17;4.03).CONCLUSIONPrenatal care must follow the minimum recommended protocols, more attention is required to black and brown women, multiparous and with unplanned pregnancies to prevent preterm birth and maternal and child morbimortality.


2015 ◽  
Vol 821-823 ◽  
pp. 528-532 ◽  
Author(s):  
Dirk Lewke ◽  
Karl Otto Dohnke ◽  
Hans Ulrich Zühlke ◽  
Mercedes Cerezuela Barret ◽  
Martin Schellenberger ◽  
...  

One challenge for volume manufacturing of 4H-SiC devices is the state-of-the-art wafer dicing technology – the mechanical blade dicing which suffers from high tool wear and low feed rates. In this paper we discuss Thermal Laser Separation (TLS) as a novel dicing technology for large scale production of SiC devices. We compare the latest TLS experimental data resulting from fully processed 4H-SiC wafers with results obtained by mechanical dicing technology. Especially typical product relevant features like process control monitoring (PCM) structures and backside metallization, quality of diced SiC-devices as well as productivity are considered. It could be shown that with feed rates up to two orders of magnitude higher than state-of-the-art, no tool wear and high quality of diced chips, TLS has a very promising potential to fulfill the demands of volume manufacturing of 4H-SiC devices.


Author(s):  
Johanna Banck-Burgess

This chapter challenges traditional views on Iron Age dress. Recent research has greatly enhanced our understanding of how textiles were manufactured in Iron Age Europe. The variety of qualities, textures, techniques, raw materials, colours, and cuts give insights into the detailed knowledge of the craftspeople involved. Textiles used for dress, blankets, or furniture fittings were appreciated not only for their appearance, but also for the quality of the work. In everyday life, their optical qualities were used to express and signal gender, social roles and status, while the labour expended on textiles found in wealthy burials underlines both the status of the deceased and the extent of conspicuous consumption in funerary rituals—for instance, for wrapping grave furniture and goods. The chapter also looks at experimental data showing how labour-intensive textile production was, and the types of clothing and accessories found in different archaeological contexts or depicted in visual representations.


Author(s):  
Muneera Abdalkareem Alshdefat

This Present study aimed at finding out the Status of the quality of education and accountability unit in the educational process from the point of view of the principals of Kasbah Al Mafraq schools To achieve the goal of the study, a descriptive development methodology was developed, which was developed in three areas (evaluation criteria, cooperation and coordination, feedback and incentives) (21) items, and verified their validity and stability, and then distributed to the sample of the study consisting of (167) managers and directors in schools Kasbah Mafraq. The study results showed that the degree of appreciation and the reality of Status of the quality of education and accountability unit in the educational process from the point of view of the principals of Kasbah Al Mafraq schools was at low degree The average of the tool as a whole was (2.00) with a standard deviation of (.55) and at the level of domains, All of them were rated low, with feedback and incentives having the highest average (2.09) followed by evaluation criteria (2.00) and cooperation and coordination (1.90), and the results showed that there were no statistically significant differences in The study sample of the Status of the quality of education and accountability unit in the educational process from the point of view of the principals of Kasbah Al Mafraq schools, according to gender, at the macro level of the instrument and on all dimensions. The study recommended in light of those results the necessity for that efforts should be join efforts to support and deepen the concept of quality of education and accountability, cooperation and coordination between the quality unit of education and accountability and educational leaders, and try to provide incentives and thanks to those who deserve it, to achieve the concept of guidance and support.


2016 ◽  
Vol 62 (4) ◽  
pp. 408-421 ◽  
Author(s):  
Valentin Nădăşan

AbstractThe Internet has become one of the main means of communication used by people who search for health-related information. The quality of online health-related information affects the users’ knowledge, their attitude, and their risk or health behaviour in complex ways and influences a substantial number of users in their decisions regarding diagnostic and treatment procedures.The aim of this review is to explore the benefits and risks associated with using the Internet as a source of health-related information; the relationship between the quality of the health-related information available on the Internet and the potential risks; the multiple conceptual components of the quality of health-related information; the evaluation criteria for quality health-related information; and the main approaches and initiatives that have been implemented worldwide to help improve users’ access to high-quality health-related information.


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