Halogenated hydrocarbons and their wide use in industry as a coolant, electric insulation and separation of liquids. Studies on modification of thermoplastic materials, on the basis of a mixture of polypropylene and polyamide 6 armored basalt fibers.
- 302. The sol-gel method for preporation of polysiloxane xerogels containing carboxylic functionality
A procedure of a sol-gel method for synthesis of new polysiloxane xerogels with propionic and butyric acid-type groups. Structure of some carboxylic groups. Scrutiny specific surface areas of polysiloxane xerogels and average pore diameter of samples.
Using of solid carbon in industrial branches. Analyzes of the unity of composition, molecular and supermolecular structure of shungite concentrate and silicon-carbon from rice hulls which provides their effective practical use in the same engineering.
The study of the processes of reparative activity diacamph part of the medications suppositories for the treatment of degenerative and inflammatory diseases of the rectum, determination of their crystallographic and thermogravimetric characteristics.
This paper describes the synthesis of sodium alginate/hydroxyapatite composites and the influence of the presence of Alg on HA crystallization. It was shown that the presence of Alg and the increase of its concentration leads to the decrease of the HA.
Advances in heterocyclic chemistry. Molecular cascade and the formation of heterocyclic compounds and their impact on cost and waste reduction in the use of natural resources for production, the impact on the environment, energy and resource conservation.
The scheme for the disposal of waste brines from desalination plants, based on replacing the complex stage of separation of the NaCl - Na2SO4 system with the stage of separation of the NaCl - CaCl2 system. Stages of magnesium hydroxide precipitation.
- 308. The thermo- and magnetogalvanic phenomena in nanohybrid clathrates and their practical application
The changes in the properties of the structures at the formation them in a magnetic or electric field, as well as under light, were shown. According to impedance spectroscopy and thermally stimulated depolarisation methods structures were investigated.
The implementation of the process of aggregation of the nanofiller in the production of nanocomposites polymer/carbon nanotubes, formation of nanotubes ropes and their bending. Effect of ultrasound on aggregation of carbon nanotubes of the second type.
The sequence of structural transformations occurring during the thermolysis of the solid solution of diphosphates of composition Zn-Co(II). The composition, temperature ranges of formation and stability of the products of partial, complete dewatering.
Examined of the physical-chemical properties and thermal decomposition, as well as infrared spectrum of glass. Acquaintance with the results of the derivatographic analysis. Study of the coincidence of crystallization temperatures of glass decomposition.
Characteristic of features of rechargeable nickel-metal hydride batteries, which predominantly used in hybrid electric vehicles. Acquaintance with crystallographic data nickel-metal hydride. Analysis of thermodynamics and kinetics of the interactions.
The complexation of 3-alkylcarbonyloxy-7-dihydro-3Н-1,4-benzodiazepine with the central benzodiazepine receptors at six temperatures. The ester carbonyl groups in compounds 1 and 2 are also supposed to form different hydrogen bonds with the receptor.
We studied the effect of addition of urea (NH2)2C=O] capable of complex formation with chromium ion (Cr+3) with the formate on the coating layer specifications. Study the correlation ratio between chromium ion and urea content in a manner that changes pH.
- 315. Ti-Al alloy
A new process for developing titanium aluminides using chemical vapor synthesis was investigated in a laboratory experiment. Aluminum subchloride was used as the reducing agent in the reaction with TiCl4 and the source of aluminum for Ti-Al alloy.
Critical reviews on "Heterocyclic Compounds" within topic-related volumes dealing with all aspects such as synthesis, reaction mechanisms, structure complexity, reactivity, stability, biology, pharmacological aspects, applications in material sciences.
The mechanism of binding of Cr(acac)3 molecules at active sites of the surface of silica and alumina supports. Silica support due to hydrogen bonding with acetylacetonate ligand. Interaction of p-electrons of acetylacetonate ligands with Al3+ sites.
A chemical compound Triamelon (lodide tris (2,2-trimethylammoniummethylphosphate)) showing before high growth regulatory activity on melons cultures can used as an effective inductor of organogenesis in plant tissue culture of Solanaceae family in vitro.
Natural zeolite clinoptoline and its nanomodified forms have been used for modification of structures of the composite building materials. Characteristics of this zeolite have been studied by thermal analysis, IR spectroscopy, and adsorption methods.
Elucidation of the mechanisms of bioaccumulation of copper, leached from minerals with the help of the fungus aspergillus Niger with a large bioremedial potential due to its ability to produce chelating metabolites and transformation of toxic minerals.
Анализ сложностей синтеза белков из смеси аминокислот. Оценка возможности самопроизвольного возникновения жизни из химических элементов Земли. Изучение механизма образования клетки. Обзор доказательств существования Бога, полученных химическим путем.
- 322. Абсорбер насадочный
Сущность и назначение процесса абсорбции. Физико-химические свойства сырья и продукта. Сравнительная характеристика абсорберов. Обоснование выбора проектируемого абсорбера. Мероприятия по охране труда. Технологический, тепловой и гидравлический расчет.
Предназначение абсорбционно-газофракционирующей установки с блоком очистки углеводородных газов. Разделение рефлюкса на отдельные фракции при помощи процесса ректификации. Принцип хемосорбционной технологии очистки. Стабилизация газового бензина.
Розробка нових складів залізовмісних авантюринових глазурей. Декоративні та фізико-хімічні властивості одержаних матеріалів, взаємозв’язок складу і структури. Технологічні параметри покриттів для кераміки декоративно-художнього та побутового призначень.
Способы оценки энергии диссоциации в предположении ионного характера связи в комплексе. Рассмотрение причин диссоциации комплексных анионов в ионной среде. Характеристика простой качественной модели для анализа химического равновесия в солевом расплаве.
Методы синтеза наночастиц оксида меди (II). Осуществление преобразования солнечной энергии в электрическую. Применение микроволновой энергии во время гидротермического процесса для синтеза наноструктуры CuO. Рост и размеры получаемых наносчастиц CuO.
Краткое описание технологического процесса кристаллизации. Описание схем, выбор и обоснование средств автоматизации и спецификация на приборы. Роль преобразователей и регулировки температуры в технологическом процессе и схемы для исходного раствора.
Применение магнитных жидкостей в современной технике. Рассмотрение химической технологии получения высокодисперсного магнетита под действием раствора щелочи. Описание возможностей автоматизации некоторых стадий при синтезировании магнитной жидкости.
Аналіз технологічного процесу як об'єкту автоматизації. Розробка системи контролю та керування технологічним процесом піролізу дихлоретану. Розрахунок параметрів налаштування регулюючого контуру. Опис роботи спроектованої системи автоматичного керування.
Неуравновешенность в уравнениях химических реакций, которая приводит к тому, что некоторые реакции не могут быть найдены в ходе структурных поисков. Решение проблемы автоматического определения пропущенных реагентов, конденсированный граф реакции.