ИССЛЕДОВАНИЕ ВЕКТОРНЫХ НАГРУЗОК НА УЗЛЫ И ЗОНЫ ШВЕЙНОГО ИЗДЕЛИЯ ВО ВРЕМЯ ЭКСПЛУАТАЦИИ
The article considers the principle of the load vector application on the garment during operation. On the basic of the analysis of products in operation, the article determines the loads application in nodes and zones for a different range of garments depending on the degree of loads in statics and dynamics. Moreover, it presents several factors influencing stability of garment design.
Consider the dependence of coefficient of quality equipment from a variety of factors and its influence on the reliability of modern software and hardware systems. In terms of reliability software and hardware systems are serial connection elements. For them, the prediction model of the failure rate in the mode of operation depends on the technical means failure rate, the Software Tool failure rate and coefficient of quality equipment.
The article deals with the semantic structure of the verb and its correlation with quality.
The article presents results of the research of methods of quantitative analysis of conflicts, arising during information technology project realization and evaluation of their use for appraisal according to Capability Maturity Model Integration.
Today there are the real importance in global management of quality for light production`s enterprises. The article describes the way of installation of the composite indicator of enterprise` s operation`s effectiveness in situation of concrete organization, where the way of production activity and specific types of defects are observed. At the end of researches the recommendations of economic results improvements and promoting competitiveness are published. It can be used for all light production`s enterprises for optimization of product quality`s controlling system
This issue reveals problems and contradictions standing from the technical legislation reform in Russia. System of technical reglaments, new to Russia, excludes most, but not all standards from the sphere of public protection provided by the State. As a result, standards provided by the Technical Legislation Law are freewill standards and standards provided by other acts are compulsory. It disrupts the system of standards and increases risks and expenses of producers, customers and the State.
Quality Innovation: Knowledge, Theory, and Practices presents a compilation of recent theoretical frameworks, case studies, and empirical research findings in the area of quality innovation. It highlights the theories, strategies, and potential concerns for organizations engaged in change management designed to address stakeholders’ needs. This reference volume serves as a valuable resource for researchers, business professionals, and students in a variety of fields and disciplines.
Mechanical performances of titanium biomedical implants manufactured by superplastic forming are strongly related to the process parameters: the thickness distribution along the formed sheet has a key role in the evaluation of post-forming characteristics of the prosthesis. In this work, a finite element model able to reliably predict the thickness distribution after the superplastic forming operation was developed and validated in a case study. The material model was built for the investigated titanium alloy (Ti6Al4V-ELI) upon results achieved through free inflation tests in different pressure regimes. Thus, a strain and strain rate dependent material behaviour was implemented in the numerical model. It was found that, especially for relatively low strain rates, the strain rate sensitivity index of the investigated titanium alloy significantly decreases during the deformation process. Results on the case study highlighted that the strain rate has a strong influence on the thickness profile, both on its minimum value and on the position in which such a minimum is found.
The ХХV International scientific – technical conference “Foundry 2018” was held of the 18-20 April 2018 at “Rostov” hotel in the city of Pleven, Bulgaria. Its aim is to provide a meeting place for scholars from different countries to present their scientific achievements and to discuss the problems of casting production.
The carboxypeptidase T (CPT) from Thermoactinomyces vulgaris has an active site structure and 3D organization similar to pancreatic carboxypeptidases A and B (CPA and CPB), but differs in broader substrate specificity. The crystal structures of CPT complexes with the transition state analogs N-sulfamoyl-L-leucine and N-sulfamoyl-L-glutamate (SLeu and SGlu) were determined and compared with previously determined structures of CPT complexes with N-sulfamoyl-L-arginine and N-sulfamoyl-L-phenylalanine (SArg and SPhe). The conformations of residues Tyr255 and Glu270, the distances between these residues and the corresponding ligand groups, and the Zn-S gap between the zinc ion and the sulfur atom in the ligand's sulfamoyl group that simulates a distance between the zinc ion and the tetrahedral sp3-hybridized carbon atom of the converted peptide bond, vary depending on the nature of the side chain in the substrate's C-terminus. The increasing affinity of CPT with the transition state analogs in the order SGlu, SArg, SPhe, SLeu correlates well with a decreasing Zn-S gap in these complexes and the increasing efficiency of CPT-catalyzed hydrolysis of the corresponding tripeptide substrates (ZAAL > ZAAF > ZAAR > ZAAE). Thus, the side chain of the ligand that interacts with the primary specificity pocket of CPT, determines the geometry of the transition complex, the relative orientation of the bond to be cleaved by the catalytic groups of the active site and the catalytic properties of the enzyme. In the case of CPB, the relative orientation of the catalytic amino acid residues, as well as the distance between Glu270 and SArg/SPhe, is much less dependent on the nature of the corresponding side chain of the substrate. The influence of the nature of the substrate side chain on the structural organization of the transition state determines catalytic activity and broad substrate specificity of the carboxypeptidase T.
This volume presents new results in the study and optimization of information transmission models in telecommunication networks using different approaches, mainly based on theiries of queueing systems and queueing networks .
The paper provides a number of proposed draft operational guidelines for technology measurement and includes a number of tentative technology definitions to be used for statistical purposes, principles for identification and classification of potentially growing technology areas, suggestions on the survey strategies and indicators. These are the key components of an internationally harmonized framework for collecting and interpreting technology data that would need to be further developed through a broader consultation process. A summary of definitions of technology already available in OECD manuals and the stocktaking results are provided in the Annex section.