Техника и технологии. Рубрика в журнале - Вестник Алматинского технологического университета
A cruentus амарант нын олдану арылы печенье технологиялы асиеттерін комплексті зерттеу
Статья научная
Берілген мақалада жоғарғы биологиялық құндылықты печенье дайындау үшін, бірінші сұрыпты бидай ұнына Қазақстанның жергілікті жағдайында өсірілген, амаранттан жасалған ұнды қолдану бойынша зерттеу нәтижелері көрсетілген. Себебі, амарант ұнының химиялық құрамы ақуызға, көмірсуларға, витаминдерге, минералды заттарға бай және жоғарғы энергетикалық құндылықты, мақсатты түрде тағам өнімдеріне, әсіресе ұнды өнімдерге қосуға болады. Мақалада улы элементтерді, микробиологиялық, физико-химиялық көрсеткіштерді анықтау бойынша оң нәтижелері көрсетілген.
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Analysis of modern computer-aided design of garments
Статья научная
This article is devoted to the analysis of systems of automation of design of garments for the purpose of intensity of functioning of the sewing enterprise. In the course of the made analysis the results directed on improvement of design-technology preparation of sewing production are received, and also need of development of engineering and information support of design of models, design documentation is revealed.
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Статья научная
The article is devoted to the aprioristic ranking of factors considered in the development of specialclothing for workers in the oil industry. Carrying out a questionnaire on the basis of aprioristic ranking there were revealed a consistency between the opinions of experts that allows to make a conclusion onrationality of developing new special clothing for workers in the oil industry. The degree of consensus ofexperts and the results confirmed the concordance coefficient and Pearson's chi-squared test. As a result,the data revealed that the most needed special clothing for workers in the oil industry is the jacket andtrousers of straight silhouette and of red color made from anti-static fabric. It has been established that thespecial clothing must have good air permeability, oil and abrading resistance.
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Assessment of the quality and safety of textile materials treated with a biocidal preparation
Статья научная
The article presents research on the development of a biocidal preparation for the appret of cotton textile materials. The appret developed by the authors on the basis of salicylic acid and liquid glass provides high rates of biostability of cotton fabric, does not reduce quality indicators and meets the environmental requirements for appret compositions. The coefficient of resistance to microbiological destruction in cotton textile materials treated with a biocidal preparation in all cases was above 80%. The work also assessed the safety and quality of cotton materials treated with a new biocide.
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Auto-oscillations of wires of high-voltage power lines (anchor span)
Статья научная
Dangerous rapprochement or whipping of wires in flight can be caused by dancing the wires. There fore, the distance between the wires and cables should be selected taking into account the expected intensities of the dancing wires. The purpose of this article is to determine the possible intense dancing of the split phase wires based on the self-oscillatory regime of the icy wires of the split phase at the anchor span. Investigations of the self-oscillating process were carried out by the Van Der Pol method. The research results can be used in the design of high-voltage power lines, studies of the phenomena of dancing and in the development of measures to protect lines from dancing wires.
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Axisymmetric bend of the lithospheric plate of the exponential profile
Статья научная
Earth 's seismic and volcanic activity is related to plate tectonics. Thin elastic surface plates form a lithosphere which experience different loads. The article considers a new model of the stressstrain state of the axisymmetric lithospheric plate of exponential profile in a non-uniform temperature field and under the influence of transverse forces. Novelty of solution of this problem lies in study by method of partial sampling of nonlinear differential equation with non-uniform coefficients when the lithospheric plate is bent. There are obtained regularities of change of radial force and bending moments under action of radial uniformly distributed load and volumetric centrifugal forces, as well as a result of temperature heating. A graphic analysis indicates the non-linear nature of their distribution, which significantly affects the shape of a curved plate.
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Brassica oleracea шырыныны агар-агар-ауын концентраты жйесіні рылым тзуіне сері
Статья научная
Агар-агар-қауын концентраты жүйесінің құрылымдануынаBrassica oleracea шырыныныңқызылқауданды қырыққабат оң әсері анықталды. Жүйенің беріктігінің өсуі шырын құрамындағы. Алматытехнологиялықуниверситетінің хабаршысы. 2017. No3.56антоциандар мен агар-агар полисахариді және қауын құрамындағы пектин қышқылдарыарасында сутектік байланыстар түзілуімен негізделеді, бұл байланыстар осы молекулалардыңполярлы емес бөліктерінің арасындағы гидрофобтық әрекеттесулермен нығаяды.Ортаның рН-ын өзгерту арқылы алынған кондитерлік сірнелердің түсін және беріктігінреттеу мүмкіндігі көрсетілді.
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Статья научная
The present article studies the technological possibilities of using a combined mixture of tomato extract, ascorbic acid as an antioxidant synergist and sodium polyphosphate as a chelating agent with a view to reducing the amount of nitrites added and enhancing the quality and safety of cooked sausages. The results obtained demonstrate that the addition of tomato extract, containing 10% lycopene in combination with ascorbic acid and sodium polyphosphate resulted in a more saturated red colour and slowed the processes which induced lipid peroxidation reactions, reduce greatly the added nitrite amount and contributed to improved overall quality of structureless cooked sausage.
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Статья научная
This research is the initial step for establishing size characteristics of Kazakhstan women adults. The purpose of the study is to compare and analyze body measurement data between Kazakhstan and old ‘soviet’ size typology. The results of this research are helpful for the clothing manufacturer of Kazakhstan.The sample subjects used in this study were obtained from more than 1500 Kazakhstan females. Sixty one measurements were chosen.The conclusion of this research was as follow: First, girth and width measurements of Kazakhstan females were significantly smaller than dimensions of the old ‘soviet’ size typology 1986 year. Second, according to the comparison analysis of Kazakhstan females by age groups, all measurements had significant differences among the age groups. Third, with age significantly increases except head girth, all girth and width. Fourth, with age height measurements is decreased.
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DIAAS - усовершенствованная методика расчета биологической ценности пищевых продуктов и рационов
Статья научная
Для эффективного усовершенствования рецептур существующих изделий и разработки новых продуктов с повышенной биологической ценностью необходимо иметь точные методики оценки качества белка, которые не требуют значительных затрат времени и средств. В статье дано описание методики DIAAS, приведены необходимые данные для ее использования. На примере смеси пшеничной муки и изолята соевого белка показана форма расчета показателя DIAAS для продуктов и рецептур с многокомпонентным составом. Проведенные исследования позволяют обеспечить повышение степени достоверности расчетной оценки биологической ценности как уже существующих, так и проектируемых пищевых продуктов.
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Designing of protective clothing for use in welding
Статья научная
Based on the set of scientific research, show that the designed model for the welder as a base material can be used in the fabric "Prime FR350A", and for protective linings - «Flame FortW280». The results of the research led to the development the artistic-composition and design solutions of welder cloth in oil producing enterprise work conditions. The composition of welder costume is designed on a symmetrical shape partitioning that makes the impression of static balance, strength and reliability. Harmonious integrity was achieved by the proportionality of all parts and components of the composition to each other and to the human figure. Rational design provides sufficient freedom of movement, convenience of using this product and its individual elements by the functional and ergonomic layout of components. Jacket design includes ventilation holes to regulate the microclimate of the intern-cloth space.
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Determination of casein in milk
Статья научная
In the present study the precipitation of casein from the various milk samples such as cow milk, goat milk were studied. The technique of precipitation of casein is used to predict the protein content in the milk samples. It was found that the main components of casein have genetic variants that differ in several amino acid residues. These proteins have a molecular weight of about 20 thousand, an isoelectric point of about 4.7, contain an increased amount of proline (the polypeptide chain has a b-structure) and are resistant to denaturants.
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Статья научная
In order to take into account the actual conditions of the drying process of large-dispersed food materials located in a dense layer, having a different geometric shape, the coefficient of surface efficiency of the dried material is included into analytical description of the vacuum and atmospheric drying processes. The coefficient of surface efficiency of the dried material characterizes the ratio of the actual evaporation surface participating in the active heat and mass transfer to the total one. Experimental study of vacuum and atmospheric drying of large-dispersed materials having the shape of cube, parallelepiped and sphere at height of bulk layer 0,01-0,04 m is conducted. On the analysis of experimental data an empirical equation, allowing with a sufficient degree of reliability to take into account the actual surface evaporation, participating in active heat and mass transfer in processes of vacuum-atmospheric drying of large-dispersed food materials is obtained. The numerical values of the coefficient of surface efficiency of the dried materials with various shapes are determined.
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Determination of the optimal dose and exposure time for enzymatic extraction of pectin from melons
Статья научная
This article discusses the allocation of pectin from melons. In the study of technological modes (hydromodule, temperature) to obtain pectin-containing extract from melon pomace varieties «Torpedo», before the implementation of the enzyme preparation is carried out preliminary swelling of raw materials in water at a temperature of 48-50 0C for 12-15 hours. To work out the technological modes of obtaining pectin-containing extract from melon pomace varieties «Torpedo» by enzyme method, in the beginning worked out the optimal parameters: temperature and hydromodium to obtain pectin-containing extract.
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Development of a polymer composition to protect textile material from bio-damage
Статья научная
The article presents a method for increasing the microbiological resistance of textile materials under operating conditions. Studies were conducted using polyvinyl alcohol (PVA), maleic acid (MA) and a solution of silver ions (SI). This fabric was treated with an dressing composition to improve the antimicrobial properties of the textile material. In addition, research has been conducted to identify the physical and mechanical properties of samples treated with different concentrations of dressing composition, to prevent negative effects on the protection function and practicality of wear. The study revealed the most optimal concentrations of the composition components: PVA - 8 g/l, SI - 50 ml/l, MA - 5 g/l.
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Статья
In article, it is stated development and justification of optimum parameters of design of new special clothes for workers of the baking industry. The practical value of research consists in definition of model characteristics of overalls taking into account ergonomic requirements and the correct selection of textile materials the considering working conditions in hot rooms. In result of the conducted scientific research, been get the new overalls for employees of the baking industry confirmed, which prove to be true with the patent for industrial sample No. 2227of RK.
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Development of goat cheese technology with high food safety
Статья научная
Бұл мақалада ешкі сүтіне пектин қосу арқылы тағамдық қауіпсіздігі жоғары ірімшік жасау технологиясы келтірілген. Алма пектинінің қасиеттері мен құрамы бойынша мәліметтер меңгеріліп, нәтижесінде пектинді ешкі сүтіне қосу әдісі, мөлшері анықталды. Технологияны жасау барысында, пастерлеу температурасында (74-75°С, ұстау мерзімі 15-20 секунд) ешкі сүтіне қосылатын пектиннің мөлшерінің ұйыту процессіне және түзілетін ұйытындыға әсерін зерттеу үшін, оны шикізат массасынан 0,10% дан 0,50% дейінгі ара-лықта түрлендірілді. Пектин қосылған ешкі сүті 33-350С температураға дейін салқын-датылып, жақсы ұйытынды түзілу үшін CaCl2 (100кг қоспаға 40г тұз), 3% сүтқышқылды бактериалардан тұратын ашытқы және мәйек ферменті қосылады. Ары қарай түзілген ұйытындыны өңдеу, қалыптау, тұздау, пісіп-жетілу процесстері жүргізілді. Өндірілген өнімнің тағамдық құндылықтары және қауіпсіздігі анықталды. В данной работе представлены результаты разработки технологии сыра из козьего молока с использованием пектина. Изучены состав и свойства яблочного пектина и обоснована возможность ее использования в производстве сыра из козьего молока. Установлены особенности свертывания козьего молока с яблочным пектином и формирования сыра при варьировании дозы пектина (в пределах от 0,10 до 0,50%). Отработаны технологические режимы (температура свертывания, пастеризации) производства сыра с яблочным пектином.
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Статья научная
In the course of this study, the technology of bleaching of cotton pulp for various purposes has been improved, which can be used in the production of cotton pulp by "Khlopoprom-Cellulose" LLP and other enterprises to increase the production efficiency and competitiveness of the products obtained. The proposed development makes it possible to obtain cellulose with a high degree of polymerization and whiteness, as well as to solve the problem of stabilization and high decomposition rate of hydrogen peroxide in the technological cycle. The bleached cellulose meets the requirements of GOST (State Standard) 595-79 "Cotton cellulose" and has an average degree of whiteness of 90%, which is 5-6% higher than the samples of cotton cellulose bleached without the use of a hydrogen peroxide stabilizer.
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Development of the device for determination of textile permeability to oil
Статья научная
This article presents the description of a new device developed by authors and its operating principle. The developed device refers to the light industry and may be used for determination of textile material permeability to oil in order to produce special clothes for the workers of oil field. Operating principle of the device for the assessment of material permeability to oil is based on the measurement ofsliding friction coefficient.
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Developments in the field of automation of technological preration of production
Статья научная
This article is devoted to a question of automation of technological preparation of production. The analysis of existing systems showed that the available CAD technological modules of clothes act as the information directory. Results of the research of automation systems of design of technological preparation of production can be used as the independent program module or in combination with available complexes at the enterprises of sewing branch.
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