scholarly journals VNIIMS standard base of in the field of measuring the amount and properties of substance – measurements in chemistry and biology

2019 ◽  
Vol 15 (1) ◽  
pp. 15-19
Author(s):  
E. V. Kulyabina ◽  
S. V. Vikhrova

The issue of the role of VNIIMS as the leading scientific organization in the field of legal metrology and the leading scientific and practical centre for metrological support of various sectors of the national economy is considered. The paper provides information on the equipment of the institute with standards in the field of physical and chemical measurements. The characteristics of experimental sample of the State Primary Standard of the unit of catalytic activity – katal, characteristics and fields of application of state standards of units of the VNIIMS in the field of physical and chemical measurements are given. The describes the plans of VNNIMS in accordance with the List of Critical Technologies of the Russian Federation, state programs for the development of industries.

1996 ◽  
Vol 33 (4-5) ◽  
pp. 233-240 ◽  
Author(s):  
F. S. Goderya ◽  
M. F. Dahab ◽  
W. E. Woldt ◽  
I. Bogardi

A methodology for incorporation of spatial variability in modeling non-point source groundwater nitrate contamination is presented. The methodology combines geostatistical simulation and unsaturated zone modeling for estimating the amount of nitrate loading to groundwater. Three dimensional soil nitrogen variability and 2-dimensional crop yield variability are used in quantifying potential benefits of spatially distributed nitrogen input. This technique, in combination with physical and chemical measurements, is utilized as a means of illustrating how the spatial statistical properties of nitrate leaching can be obtained for different scenarios of fixed and variable rate nitrogen applications.


1981 ◽  
Vol 46 (2) ◽  
pp. 583-588 ◽  
Author(s):  
AILEEN SONTAG TRANT ◽  
ROSE MARIE PANGBORN ◽  
ANGELA C. LITTLE

1966 ◽  
Vol 05 (01) ◽  
pp. 35-39 ◽  
Author(s):  
R. Gross

Modern medical diagnostics are determined by continued influence and mutual interference of 3 essential periods of their development: Empirism and intuition — physical and chemical measurements — computation and other applications of the theory of probabilities.The advantages and disadvantages of each of these methods are discussed regarding the diagnostic task as well as the relation between doctors and patients. Diagnostic processes are compared as performed by the human brain and by computers.In internal medicine the diagnostic difficulties and possibilities have reached some kind of culmination.The great number of system-diseases with their manifestation at so many organs, the rather uniform response of these organs to quite different injuries, corresponding to their structure and function, demonstrate the limits of a to narrow spezialization and a stencil-like automatisation.


2010 ◽  
Vol 39 (4) ◽  
Author(s):  
Beata Messyasz ◽  
Ewa Szczuka ◽  
Adam Kaznowski ◽  
Lubomira Burchardt

Phytoseston and heterotrophic bacteria in the assessment of the waters in the Wełna and Nielba RiversThe phytoseston flora and heterotrophic bacteria from the two intersecting rivers were studied during the intensive water flow (from October 2006 to May 2007). The physical and chemical measurements indicated that the water quality in the rivers regarding their purity, had slightly improved in the Nielba River and deteriorated in the Wełna River, at the sites behind the intersection zone. It was in the agreement with the studied phytoseston diatom communities (dominated by eutraphentic taxa). Phytoplankton during the winter months was dominated by


The paper describes a novel technique for synthesizing diamond, which relies on the build-up of extra diamond lattice planes within the bulk crystal. This is achieved by the implantation of high energy (say 20 keV) carbon ions into a heated diamond crystal. Carbon ions of this energy range come to rest hundreds of atomic layers below the surface and, provided they assume an atomic position consistent with the surrounding lattice, will result in diamond synthesis. However, in addition to creating extra material, irradiation of a solid with energetic ions results in both sputtering and radiation damage, both of which could limit the growth of crystalline material. The paper will therefore describe the conditions under which diamond can be synthesized successfully during energetic ion bombardment. Evidence for crystalline growth will be presented in the form of physical and chemical measurements.


Author(s):  
Valentina Ganich ◽  
Lyudmila Naumova ◽  
Natal’ya Matveeva ◽  
Vladimir Volynkin

В статье приведены результаты агробиологического и технологического изучения аборигенного грузинского сорта винограда технического направления использования Грубелла в сравнении с контрольным сортом Сибирьковый. Исследования проводились в 2016-2018 гг. на Донской ампелографической коллекции им. Я.И. Потапенко (в условиях Нижнего Придонья) по общепринятым в виноградарстве методикам. Сорта изучались в укрывной, привитой культуре (подвой Берландиери х Рипариа Кобер 5ББ). Схема посадки кустов 3,0 х 1,5 м. Культура неполивная. По проценту распустившихся почек, средней массе грозди и урожайности сорт Грубелла превосходит контрольный сорт. В опытных виноматериалах определяли физико-химические показатели (спиртуозность, массовую концентрацию титруемых и летучих кислот, сахаров, приведенного экстракта, диоксида серы). Все эти показатели соответствовали требованиям ГОСТ. Вино из сорта Грубелла было бледно-соломенного цвета, с зеленоватым оттенком, аромат богатый, с тонами полевых цветов и медово-пряными оттенками. Вкус содержательный, свежий, долгое приятное послевкусие. Высокая дегустационная оценка изучаемого сорта (8,8 балла) на уровне контрольного сорта Сибирьковый подтверждает целесообразность использования сорта Грубелла для приготовления столовых вин высокого качества. Анализ полученных данных позволил сделать заключение о том, что в данных условиях произрастания грузинский сорт Грубелла по качеству вина не уступает контрольному сорту, а по урожайности превосходит его. Поэтому мы считаем, что сорт требует дальнейшего углубленного изучения и создания технологии, позволяющей максимально раскрыть потенциал сорта и получить качественное вино с высокими органолептическими показателями. Рекомендуется использовать сорт Грубелла для селекции с целью создания технических сортов с высокими технологическими свойствами.The paper reports on the findings of agro-biological and technological study of native Georgian wine grapevine variety ‘Grubella’ in comparison with control cultivar ‘Sibirkovyi’. The study involved standard methods for viticulture and was carried out in 2016-2018 at Ya.I. Potapenko Don Ampelographic collection (in the Lower Don region). The varieties were studied in earth-covered, grafted culture (rootstock ‘Berlandieri’ x ‘Riparia Cober 5BB’). The planting scheme was 3.0 x 1.5 m. Non-irrigated culture. By percentage of evolved buds, the average bunch weight and yield ‘Grubella’ variety exceeded the control. The test wine materials were analyzed for physical and chemical parameters (alcohol strength, mass concentration of titrated and volatile acids, sugars, reduced extract, and sulfur dioxide). All the indicators met the requirements of the State standards. The wine made of ‘Grubella’ grapes was pale straw-coloured, with a greenish tinge, and had rich aroma with tones of wild flowers and honey-spicy overtones. The taste was rich, fresh, with a long pleasant aftertaste. The high tasting score received by the studied variety (8.8 points) was at the same level as the score of the control variety ‘Sibirkovyi’, which confirms the suitability of ‘Grubella’ grapes for the production of high quality table wines. Data analysis suggests that under the given growing conditions the Georgian grapevine variety ‘Grubella’ equals the control variety in the quality of wine, surpassing it in terms of the yield. We therefore believe that the variety is worth further in-depth study, and requires technology development in order to reveal its potential and obtain high-quality wine with high organoleptic characteristics. ‘Grubella’ variety is recommended for breeding with a view to generate technical varieties with high technological properties.


Author(s):  
Д.В. МУРЗАГАЛИЕВА ◽  
Л.Ф. ГРИГОРЯН ◽  
В.Н. ХРАМОВА ◽  
В.В. ВАСИЛЬЕВА ◽  
С.В. ШИНКАРЕВА ◽  
...  

Для исследования перспективы использования белкового отстоя – вторичного сырья пивоваренного производства в технологии колбасных изделий были выработаны по разработанной рецептуре образцы полукопченых колбас: опытный, содержащий белковый отстой в количестве 10% взамен части мясного сырья и пищевую добавку «Глималаск», и контрольный, не содержащий указанных ингредиентов. При исследовании физико-химических показателей полученных изделий установлено, что в экспериментальном образце содержание белка было на 1,93% выше, а жира – на 1,2% ниже, чем в контрольном. Сравнение аминокислотных профилей образцов колбас показало, что внесение белкового отстоя компенсирует недостаток некоторых аминокислот, повышая биологическую ценность готового продукта. Самое высокое содержание имели незаменимые аминокислоты, мг: лейцин + изолейцин 1318, лизин 778, валин 479. Органолептическое исследование выявило, что внесение в колбасное изделие белкового отстоя вместе с пищевой добавкой «Глималаск», которая позволила уменьшить горьковатый привкус и более чем в 2 раза по сравнению с контрольным увеличить в опытном образце содержание глицина, способствовало улучшенному цветообразованию, а также повышению стабильности при хранении. Это подтверждает эффективность использования белкового отстоя при производстве полукопченых колбасных изделий. To study the prospects of use protein sludge – secondary raw materials of brewing production in the technology of sausages, samples of semi-smoked sausages – experimental, containing protein sludge in an amount of 10% instead of a part of meat raw materials and a food additive “Glimalask”, and a control, which does not contain these ingredients, were developed according to the developed formulation. In the study of physical and chemical parameters of the obtained products found that the experimental sample protein content was 1,93% higher and fat – 1,2% lower than in the control. Comparison of amino acid profiles of sausage samples showed that the introduction of protein sludge compensates for the lack of some amino acids, increasing the biological value of the finished product. Essential amino acids leucine + isoleucine, lysine, valine had the highest content – 1318, 778 and 479 mg, respectively. Organoleptic study revealed that the introduction of protein sludge into the sausage product together with the food additive “Glimalask”, which allowed to reduce the bitter taste and more than 2 times in comparison with the control increase in the experimental sample glycine content, contributed to improved color formation, as well as increased stability during storage. This confirms the effectiveness of the use of protein sludge in the production of smoked sausages.


Minerals ◽  
2019 ◽  
Vol 9 (6) ◽  
pp. 359 ◽  
Author(s):  
Adeline Roche ◽  
Emmanuelle Vennin ◽  
Irina Bundeleva ◽  
Anthony Bouton ◽  
Dahédrey Payandi-Rolland ◽  
...  

The relationship between environmental conditions and the development, mineralization and preservation of modern tufa microbialites was investigated in a 1.1 km long freshwater stream in Villiers-le-Bâcle, a tributary of Mérantaise river. Detailed mapping of the tufa microbialite distribution combined with sedimentological, petrographical and mineralogical analyses were coupled with chemical measurements. Six organosedimentary structures were identified; their distribution appears heterogeneous along the stream and responds to physicochemical conditions of water and specific biological components (e.g., microorganism, exopolymeric substance). Two of the organosedimentary structures show evidence of mineralization and only one is lithified. Based on field observations and in-situ deployment of mineralization markers (bricks), three zones with increasing mineralization intensities are defined, ranging from no mineralization to thick mineralized crusts forming riverine tufa. Both biotic and abiotic processes were proposed for the tufa microbialite formation. We explained changes in mineralization intensities by the specific physicochemical conditions (e.g., calcite saturation index (SIcalc) and partial pressure of CO2 (pCO2) and a closed proximity of the cyanobacterial biofilm and carbonates precipitates. The physical and chemical composition of substrate impact development of microbial communities, mineralization potential of tufa microbialite. Even though the physicochemical and biological conditions were optimal for mineral precipitation, the potential of lithification depended on the presence of a suitable (physical and chemical) substrate.


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