444 research outputs found

    The influence of water content on wheat dough in changing the rheological characteristics and quality of the finished product

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    The most important task facing the baking enterprise under market conditions is the production of bakery products with the best qualities that can be achieved from a particular batch of processed flour. In producing bakery products, wheat flour is the most volatile commodity. Then in order to obtain finished products with desired texture parameters the rheological properties of the semi-finished baking properties created from the raw materials and formulation products must be controlle

    The methodology of the analysis and synthesis of rational choice recipes of cooking dishes

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    In the analysis and synthesis, an assessment is conducted according to the criteria of rational choice of the layout solution from the arrays of the formed set of recipes for the preparation of recommended dishes. From the array of new, well-known recipes and their technologies of preparation of various dishes by analysis and synthesis of layout solutions the methodology of rational choice of dishes, allowing for different criteria to establish the best possible choice is propose

    Comparative ecological testing of <i>Achillea millefolium</i> (L.) cultivars in Moscow Province

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    Background. The cultivars of Achillea millefolium L.: ‘Eney’ and ‘Millennium’ (Research Institute of Agriculture of Crimea), and ‘Vasyurinsky’ (North-Caucasian Branch of VILAR), were the objects of the ecological testing in 2018–2020 in Moscow Province.Methods. A nursery was established with planting material of vegetative origin. Phenological and morphometric parameters, indicators of raw matter productivity, and crop structure components were assessed in the phase of mass flowering.Results. For cv. ‘Vasyurinsky’, the start of growing and subsequent phenological phases occurred 14–25 days earlier than for ‘Eney’ and ‘Millennium’ whose growing season was 15–20 days longer. The plant height varied from 72 to 106 cm for cv. ‘Vasyurinsky’, 43 to 56 cm for ‘Eney’, and 38 to 42 cm for ‘Millenium’. The yield of fresh green biomass reached 8.8–10.3 t/ha for the Crimean cultivars, and 18.2 t/ha for ‘Vasyurinsky’. The latter exceeded cvs. ‘Eney’ and ‘Millenium’ in the yield of green biomass and air-dry matter (1.7–2.9 and 1.5–2.6 times, respectively). Essential oil content in ‘Eney’ was 4.74% of the absolute dry weight, being 1.6–3.5 times higher than in ‘Millenium’ (2.99%) and ‘Vasyurinsky’ (1.35%). Chamazulene content in the essential oil of the Crimean cultivars was 10–12 times higher, and the content of caryophyllene and germacrene D 2.5–3.1 times higher than in the essential oil of cv. ‘Vasyurinsky’.Conclusion. All the studied cultivars of A. millefolium can be recommended for commercial cultivation in Moscow Province

    Anisotropic flow fluctuations in hydro-inspired freeze-out model for relativistic heavy ion collisions

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    The LHC data on event-by-event harmonic flow coefficients measured in PbPb collisions at center-of-mass energy 2.76 TeV per nucleon pair are analyzed and interpreted within the HYDJET++ model. To compare the model results with the experimental data the unfolding procedure is employed. The essentially dynamical origin of the flow fluctuations in hydro-inspired freeze-out approach has been established. It is shown that the simple modification of the model via introducing the distribution over spatial anisotropy parameters permits HYDJET++ to reproduce both elliptic and triangular flow fluctuations and related to it eccentricity fluctuations of the initial state at the LHC energy.Comment: 12 pages including 9 figures as EPS-files; prepared using LaTeX package for publication in the European Physical Journal

    Two-dimensional discrete wavelet analysis of multiparticle event topology in heavy ion collisions

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    The event-by-event analysis of multiparticle production in high energy hadron and nuclei collisions can be performed using the discrete wavelet transformation. The ring-like and jet-like structures in two-dimensional angular histograms are well extracted by wavelet analysis. For the first time the method is applied to the jet-like events with background simulated by event generators, which are developed to describe nucleus-nucleus collisions at LHC energies. The jet positions are located quite well by the discrete wavelet transformation of angular particle distribution even in presence of strong background.Comment: 6 pages, 6 figure

    Breeding of medicinal and essential oil crops in VILAR: achievements and prospects

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    This review discusses the main methods of breeding material development, the current state, problems and prospects for medicinal and essential oil plants breeding. The relevance of this area has especially increased due to the sanctions, the resulting shortage of medicinal plants and their low quality, which does not meet the requirements of the pharmaceutical industry. To produce a stable plant raw material base, it is necessary to actively develop a breeding process to create new highly productive varieties of medicinal plants resistant to biotic and abiotic environments. In breeding with the use of modern molecular biological methods, related species and generic complexes of the All-Russian Research Institute of Medicinal and Aromatic Plants (VILAR) collection can be involved, where there is extensive original genetic material of medicinal, essential oil, rare and endangered species. In the breeding of medicinal and essential oil crops, traditional methods of individual and individual-family selection, polyploidy, chemical mutagenesis and a combination of methods to obtain original breeding material are still promising. VILAR has created more than 90 varieties of medicinal and essential oil crops, most of which have been approved for use throughout the Russian Federation

    Vocational training in sport and recreation micro-enterprises as an education project

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    This study appears urgent due to the need to create new jobs in the sport and recreation sector and to update the existing approach to vocational training in a micro-enterprise. This paper proposes an education project as a form of vocational training in such conditions. The authors aim to comprehend the current issues of pedagogical design for the transfer of experience within a micro-enterprise of the sport and recreation sector and to determine the conditions for effective educational interaction of micro-enterprise employees. This problem is addressed with a combination of the systematic approach and activity-based learning. This makes it possible to present the process of pedagogical design of vocational training in the conditions of a micro-enterprise as systematic activity of individuals in developing the professional competencies of a sport and recreation worker. The authors used theoretical and empirical methods. The theoretical methods were analysis of the psychological, pedagogical, sociological, scientific-methodological and specialized literature on the studied problem; the systematic approach to the definition of the problem and the formation of the research terminology; and analysis of the legal acts. The empirical methods were pedagogical observation; study and generalization of pedagogical experience; pedagogical design; questioning; conversation; interview; performance analysis; and expert evaluation method and integration of expert opinions. © 2018 Authors

    Expression of indaleamine 2,3-dioxygenase mRNA in patients with spontaneous miscarriages at early stages of pregnancy

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    Expression mRNA of indoleamine 2,3-dioxygenase (IDO) and Toll-like receptors (TLR) 1-4 in epithelial cells of cervix uteri in 57 patients with early stage miscarriages (6-10 weeks of pregnancy) and 57 patients with artificial abortion (control group) was examined using quantitative polymerase chain reaction (PCR

    Aspects of social adaptation of persons with disabilities by means of adaptive physical culture

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    This article considers the problem of social adaptation of persons with disabilities. The role of adaptive physical culture in the socialization and social adaptation of the persons in this categoryВ данной статье рассматривается проблема социальной адаптации лиц ограниченными возможностями здоровья. Роль адаптивной физической культуры в социализации и социальной адаптации лиц данной категори

    Ідентифікація статі рослин актинідії гострої (Actinidia arguta (Siebold & Zucc.) Planch. ex Miq.)

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    The problem of gender differentiation and the methods and criteria search for its diagnosis in dioecious plants of the Actinidia at an early stage of development is an extremely important item. It is important both for gardening practice and for successful breeding work with this culture. The morpho-anatomical studies of Actinidia arguta one-year male and female plants twigs were performed using NY-1&nbsp;light-optical microscope. The qualitative content of starch was studied in one-year twigs of plants using of an iodine solution. The study of the starch content dynamics in the one-year twigs of male and female plants has revealed a variation of the content indicators that depends on the plant development phase and the weather conditions. The two peaks of its accumulation during the year have been defined (the first one is in October, after defoliation, and the second one&nbsp;– is in the spring at the beginning of the twigs growth). The difference in the indices between male and female plants was represented mostly during the second maximum (the length of young twigs reached 15–20&nbsp;cm). The method for the Actinidia Lindl. seedlings gender determining with the use of qualitative reaction on starch (iodine solution) on the basis of the long-term researches conducted on the male and female Actinidia Lindl. plants, the successful testing on the seed origin Actinidia Lindl. plants was proposed. The difference in colour is observed in 3&nbsp;minutes after the reagent application. The colour is localized in the perimedullary zone in male individuals, while in female individuals it extends through the parenchyma of the xylem rays to the external layers. The advantage of this method is the simplicity and the portability of the implementation, the availability to the general public of the gardeners and the possibility of mass use without causing any harm to the plants. The application of this method will contribute to the improvement of the breeding work and the use of pollinating plants of Actinidia Lindl. of the seed origin at planting and significantly reduce the raising cost for the selection material.Актинідія&nbsp;– це дводомна культура, і для забезпечення високої продуктивності її насаджень на ділянках необхідно одночасно висаджувати чоловічі та жіночі рослини у співвідношенні 1&nbsp;до 5–7. Сортові жіночі рослини для насаджень одержують лише способом вегетативного розмноження, тоді як чоловічі рослини-запилювачі можуть бути як вегетативного, так і насіннєвого походження. Численні дослідження свідчать, що саме сіянці краще пристосовуються до нових умов зростання, вирізняються вищою адаптивною здатністю, підвищеною стійкістю до негативних чинників навколишнього середовища порівняно з вегетативно розмноженими рослинами. За літературними даними, вихід рослин-запилювачів інколи сягає 90&nbsp;%, а то й 100&nbsp;% від загальної маси сіянців. Ефективні методи визначення статі сіянців актинідії до вступу їх у генеративну фазу розвитку (на 5–7-й&nbsp;рік після посіву) нині відсутні, тому питання пошуку критеріїв ранньої діагностики статі рослин актинідії й опрацювання методу її визначення є надзвичайно актуальним і має важливе теоретичне та практичне значення. На основі комплексного вивчення особливостей чоловічих і жіночих рослин Аctinidia arguta (Siebold &amp; Zucc.) Planch. ex Miq. колекції Національного ботанічного саду ім. М.&nbsp;М.&nbsp;Гришка НАН України запропоновано метод діагностики статі сіянців у прегенеративний період їх розвитку. В основу методу ідентифікації статі&nbsp;A.arguta, що пропонують, покладено оброблення рослинних зразків хімічним реагентом, подальший аналіз результатів реакції та встановлення статі рослини за забарвленням зразків. Точність визначення сягає 95&nbsp;%, що вказує на високу ефективність і перспективність частого використання запропонованого експрес-методу визначення статі у прегенеративному періоді розвитку рослин. Застосування цього методу дає змогу визначити стать рослин уже в 2–3-річному віці
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