88 research outputs found

    Methyl 2-[(carbamoyl­amino)­imino]-2-(3-{1-[(carbamoyl­amino)­imino]-2-meth­oxy-2-oxoeth­yl}phen­yl)acetate ethanol monosolvate monohydrate

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    In the title compound, C14H16N6O6·C2H6O·H2O, both substit­uents of the benzene ring are approximately planar with maximum deviations from the mean plane of 0.0561 (12) (an imine N atom) and 0.1419 (11) Å (a meth­oxy O atom). The substituents are tilted out of the plane of the benzene ring by 64.48 (4) and 70.08 (5)°, respectively. In the crystal, mol­ecules form centrosymmetric dimers associated via pairs of N—H⋯O hydrogen bonds. The dimers are linked via the water and ethanol mol­ecules, forming two-dimensional hydrogen-bond networks lying parallel to (100)

    BASICS OF PHYSICAL FITNESS, GENERAL AND SPECIAL FEATURES OF PREPARATION

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    in this article, the concept of physical training includes information about its main purpose, its importance in social life and in the activities of the engaged, methods, tools, the functions of general and special physical training, its specific features in physical development

    Specific Features of the Text in the Cognitive-Pragmatic Approach

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     This article differentiates the concepts of text and discourse, determines the fundamental differences and their relationship. Moreover, the article shows the role of pragmatics, a discipline that develops in close connection with cognitive science and evolutionary psychology and opens new ways to consider discourse analysis. In addition, we also discuss the relationship between pragmatics and discourse analysis, focusing on the links between the process of understanding utterances, which is in the realm of pragmatic theories, and the infl uence that is in the realm of discourse. The subject of our consideration is the text, the basic principles of its linguistic interpretation related to discourse, as well as the basic conceptual provisions of the modern theory of discourse

    The sustainability implications of "product take-back clause" insupplier/retailer interface : case study: Swedish bread industry

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    Food waste consumes resources, has a negative effect on the environment and leads to monetary losses for the supply chain participants. One of the ways to address food waste is to reconsider the supply chain´s linear process and implement the reverse supply chain. Many researchers consider reverse supply chain to be sustainable and value adding. Yet some studies mention that in supplier-retailer interface in the context of food industries, reverse supply chains with take-back clause might be exposed to retailers’ market power abuse and cause overproduction and waste. This study used the qualitative approach to explore implications of power relations in retailer-supplier interface on take-back practice by looking at the case of Swedish bread suppliers. All major bread suppliers that have take-back agreement along with retailer chains, representing all retailer corporate ownership groups in Sweden have been interviewed. Using the theory of market power and reverse supply chain sustainability, the study analyzed the implications of power-relations on the take-back practice and explored sustainability concerns and/or fixtures it poses for the supply chain. The study findings do not fully confirm with conclusions of previous research arguing that reverse supply logistics systems serve as additional incentive for powerful retailers to over-order or lead to higher waste due to inability of suppliers to properly dispose of waste. Yet other instances of retailer’s market power that have not been touched upon in previous research were found within studied take-back agreement. The specific terms of agreement resulting from power asymmetries were found to still cause over-ordering and other negative effects on the overall sustainability of bread supply chains. The sustainability breaches identified in the study are mainly connected with lack of retailer’s economic incentive to reduce the amount of unsold bread, which becomes the source of overproduction, and leads to economic, environmental and social costs

    The Role of Cultivated Plants of the Family Solanaceae in Agriculture

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    The role of algae (Solanaceae) in the agriculture of our republic is great. Potatoes and tomatoes from cultivated plants belonging to the family Solanaceae occupy large areas around the world and in our republic. The weight and quality of the product obtained from them is also high. The average yield of tomatoes in the country is 253 ts/h, the average yield of potatoes is 198 ts/h

    {4-[(2,4-Dichloro­benzo­yloxy)meth­yl]-1-phenyl-1H-1,2,3-triazol-5-yl}methyl 2,4-dichloro­benzoate

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    In the title molecule, C24H15Cl4N3O4, the triazole ring makes dihedral angles of 72.02 (12), 81.60 (12) and 73.82 (11)°, respectively, with the adjacent phenyl ring and the two dichloro­benzene rings. In the crystal, a weak C—H⋯N inter­action, a short Cl⋯Cl contact [3.307 (2) Å] and a π–π stacking inter­action [centroid–centroid distance = 3.568 (4) Å] are observed. An intra­molecular C—H⋯O inter­action is also present

    Structural solutions of the supercharged engine in the output and input system

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    During the intake process, the working volume of the cylinder is filled with a fresh charge. As noted, a fresh charge consists of air in a diesel engine, and in engines with ignition from an electric spark (gasoline carburetor or gasoline with fuel injection, as well as gas) – from a mixture of air and vapors of light fuel or combustible gas

    Innovative cotton oil refining technology

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    The results of partial and final refining of raw cottonseed oil by solution of aluminates and and sodium hydroxide are given. The intensification of the technological process is carried out by the treatment of alkaline solutions by exposure to electromagnetic field intensity. Increase in yield and quality improvement of refined oil is achieved

    Provision of carbon-free emission of exhaust gases on vehicles

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    The paper analyzes foreign and domestic research on reducing emissions of harmful substances and greenhouse gases from exhaust gases. The provision of carbon-free emissions of exhaust gases in motor vehicles has been studied. Ways for further research on environmental safety and energy efficiency of vehicles are given
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