• Study of the process of intramolecular cyclization products of epichlorohydrin aminolysis of secondary amines. Analysis of the energy characteristics obtained in vacuum and in acetonitrile solution with water as an "active" solvation partner of reaction.

    статья (621,5 K)
  • 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.

    статья (1,7 M)
  • 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.

    статья (1,1 M)
  • 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.

    статья (525,6 K)
  • 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.

    научная работа (762,0 K)
  • Substituent tautomerism of six-membered ring heterocycles. Compounds with one, two or more potentially tautomeric functional group. The prototropic tautomerism of hydroxypyridine is a prototype for oxo-hydroxy tautomerization processes in heterocycles.

    статья (885,8 K)
  • 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.

    статья (534,6 K)
  • Chemical derivatives of 1,2,4-thiazole as biologically active chemicals intended for the protection of plants for agricultural purposes, such as biocides and fungicides when preserving books. Impact of chemicals on humans, animals and the environment.

    статья (41,1 K)
  • MPWB1K/6-31+G(d) and MPWB1K/tzvp theoretical models were found to provide reasonable accuracy of the prediction of ionization potentials for mono- and polycyclic azacompounds. The root mean square errors of the methods are 0.19 and 0.20, respectively.

    статья (365,8 K)
  • 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.

    статья (200,5 K)
  • 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.

    статья (335,5 K)
  • 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.

    статья (1,1 M)
  • 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.

    лабораторная работа (2,9 M)
  • Analysis dependence of decomposition rate of adsorbed aluminium choride from rate feed of water steam. The results of the regeneration of solid sorbents used for the purification of alkylates, obtained by alkylation of benzene with higher olefins.

    статья (309,0 K)
  • 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.

    учебное пособие (8,3 M)
  • Reviews on "Heterocyclic Compounds" on aspects such as synthesis, reactionmechanisms, structure complexity, properties, reactivity, stability, fundamental and theoretical studies, biology, biomedical, pharmacology, applications in material sciences.

    материалы конференции (6,1 M)
  • 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.

    статья (161,6 K)
  • 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.

    статья (113,1 K)
  • Study matter and change and the types of systems. Studying the molecules of life by organic chemistry. Identification and quantification of materials in a mixture in analytical chemistry. Chemical principles underlying basic biological systems.

    эссе (65,0 K)
  • Dependence of durability of coverages on nature and closeness of adhesive bonds. Use of silanes with an olefine carbon as an adhesion layer on metallic grounds, improves protective properties of coverages a steady-state by an ultraviolet irradiation.

    автореферат (221,0 K)
  • 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.

    автореферат (86,5 K)
  • The study of the effect of bismuth nitrate (Bi (NO3) 3) deposited on tissue samples, coated tissue was evaluated by measuring the penetration of radiation. Various properties, such as mass per unit area, material thickness and surface morphology.

    статья (11,2 M)
  • The specificity of the hydrothermal method for the synthesis of calcium carbonate. Determination of the nanostructure in the present inorganic chemical compound of salt carbonic acid and calcium. The diffraction characteristics of the calcium salt.

    статья (439,5 K)
  • 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.

    статья (155,5 K)
  • Shannon’s entropy and Weighted entropy. Weighted entropy and it’s applications. Ranking chemicals in quantitative High Throughput Screening. The studies of weighted entropy. Weighted entropy in Bayesian problem, as a measure of an investment risk.

    магистерская работа (349,9 K)
  • The crystal structure of Yb2Al15Pt6, determined from X-ray single crystal diffraction data. The structural particularities of Yb2Al15Pt6, discussed in comparison with the structures of Y2Ga9Co3, Tb2Ge3Pt9, Yb2Ga9Pd3 and Er4Al24Pt9. The Al-Pt interactions.

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  • 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.

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  • 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.

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  • Физико-химические свойства аммиака. Теоретические основы абсорбционного процесса. Устройство насадочного абсорбера, описание его схемы. Техника безопасности при проведении работ. Расчет материального баланса аппарата, гидравлического сопротивления.

    курсовая работа (803,0 K)
  • 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.

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