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коллекция "otherreferats"
Главная Коллекция "Otherreferats" Химия
  • 181. The distribution of essential chemical elements in meso-scale ecosystems of the Dniester's Precarpathia

    Distribution of essential chemical elements and toxicants in terrestrial phytomass of woody plants fir white European, which is a species of forest on the territory of the Dniester region. Estimation of biospheric and stabilize the environment functions.

    статья (149,9 K)
  • 182. The effect of the introduction of Ni2+ ions on the electrical and magnetic properties of InSe layered crystals

    Investigation of the influence intercalation ions of Ni2+ on the electrical properties of indium selenide crystals. The surface of InSe layered crystals. Investigation of magnetic properties of intercalated NiXInSe. The basic samples of InSe.

    статья (319,1 K)
  • 183. The features of multiscaling and hierarchy of structures in zirconium alloys

    Experimental studies and calculations comparing the hierarchical structures at two zoom levels – nanometer and micrometer. The features of multiscaling and hierarchy in zirconium alloys. Data about the hierarchical structures of the multiscale chain.

    статья (1,3 M)
  • 184. The influence of the thermo-chemical treatment on the optical properties of YAG:Cr,Mg and GGG:Cr,Mg epitaxial films

    Investigation of optical absorption spectra of YAG: Cr, Mg, and GGG: Cr, Mg films during high-temperature annealing in oxidation and reduction atmospheres. Factors to increase in absorption in the visible region, the charge exchange of chromium ions.

    статья (500,1 K)
  • 185. The investigation of fire extinguishing ability of the powder materials by extended extinguishing and suppression of explosions of gas-airmixtures

    Determination explosion ability of fine-dispersion substances as slaked lime, standard fire extinguishing powder containing ammophos, sludge from the chemical unit of the cold rolling plant of the steel sheet containing iron oxide, dolomite dust.

    статья (2,5 M)
  • 186. The kinetics of the gas phase aldol condensation reaction of propionic acid with formaldehyde on B2O3-P2O5-WO3/SiO2 catalyst

    Study of kinetic parameters and the basic kinetic regularities of aldol condensation reaction of propionic acid with formaldehyde on B2O3-P2O5-WO3/SiO2 catalyst in the gas phase. Methods of obtaining polymer materials with valuable technical properties.

    статья (184,5 K)
  • 187. The molecular structure and chromatographic parameters of calix[4]аrеnehydroxymethylphosphonic acids

    A basic chromatographic characteristics of biologically significant calix[4]аrenehydroxymethylphosphonic acids. A study sodium salts in a reversed-phase high-performance liquid chromatography. The structure of calix[4]аrenehydroxymethylphosphonic acids.

    статья (957,1 K)
  • 188. The most important technologies of receiving barium sulfate from barite

    Deals with natural barite ores whose origin is associated with magmatic eruptions, the location of the most powerful deposits. Familiarization with the main applications of blanfixe. Definition of the main methods for obtaining artificial barium sulfate.

    статья (75,0 K)
  • 189. The Protein Protocols Handbook

    A cross-section of analytical techniques used for proteins and peptides. The Lowry Method for Protein Quantitation. Ultrafast Protein Determinations Using Microwave Enhancement. Flow Cytometric Quantitation of Cellular Proteins. The Nitric Acid Method.

    книга (7,6 M)
  • 190. The quantum-chemical investigation of n-cyclization reaction mechanism for epichlorohydrin aminolysis products

    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)
  • 191. The study of crystallographic and thermogravimetric characteristics of rectal suppositories with diacamph

    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)
  • 192. The tautomerism of heterocycles: substituent tautomerism of six-membered ring heterocycles

    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)
  • 193. The use of tebuconazole as a fungicide to protect the library

    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)
  • 194. Theoretical study of ionization potentials of N-heterocyclic compounds

    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)
  • 195. To question regeneration of sorbents, used for purification of alkylates from admixtures of aluminium chloride, hydrochloride and heavy residues

    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)
  • 196. Topics in Heterocyclic Chemistry

    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)
  • 197. Topics in Heterocyclic Chemistry

    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)
  • 198. Types of chemistry

    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)
  • 199. Usage of silanes when making protective coatings for metal by UV curing

    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)
  • 200. Using bismuth nitrate to obtaining protective fabric of X-ray

    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)
  • 201. Using Simple Hydrothermal Method for Synthesis of CaCO3 Plate-like Nanostructures

    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)
  • 202. Weighted Entropy in sensitive areas of the tasks in the parameter space

    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)
  • 203. Yb2Al15Pt6 - the most ordered variety of the Sc1.2Fe4Si9.8 aristotype

    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.

    статья (1,1 M)
  • 204. Абсорбционная установка непрерывного действия для поглощения аммиака

    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)
  • 205. Абсорбция аммиака

    Абсорбция как процесс поглощения веществ из газовой смеси. Технологическая схема установки и расчет абсорбера. Построение графиков линии процесса. Определение скорости газового потока, коэффициента диффузии и гидравлического сопротивления абсорбера.

    курсовая работа (329,1 K)
  • 206. Абсорбция двуокиси серы

    Современные положения процесса абсорбции. Расчет абсорбционной установки для улавливания двуокиси серы из смеси ее с воздухом и водой. Выбор расстояния между тарелками и определение высоты абсорбера. Масса поглощаемого вещества и расход поглотителя.

    курсовая работа (1,5 M)
  • 207. Абсорбция углекислого газа водой

    Общие сведения об адсорбционных аппаратах. Области применения абсорбционных процессов. Устройство, принцип действия абсорберов. Расчет абсорбционной колонны. Автоматизация технологического процесса и точки технологического контроля и управления процессом.

    курсовая работа (513,8 K)
  • 208. Абсорбция углекислого газа карбонат-бикарбонатным раствором и водой в реакторе с мешалкой

    Цель, задачи и методика проведения работы, описание лабораторной установки. Физическая абсорбция углекислого газа карбонат-бикарбонатным раствором. Определение коэффициентов молекулярной диффузии, массоотдачи и ускорения абсорбции углекислого газа в воде.

    методичка (103,2 K)
  • 209. Абсорбція діоксиду вуглецю розчином сульфіду барію у виробництві карбонату барію

    Аналіз масопередачі у процесі абсорбції діоксиду вуглецю лужними розчинами, впливу на неї десорбції сірководню. Огляд моделі апарату для карбонізації та методу розрахунку сили сорбції сірководню, що протікає паралельно з карбонізацією сульфіду барію.

    автореферат (52,7 K)
  • 210. Аварийно химически опасные вещества

    Ассортимент применяемых в промышленности, сельском хозяйстве и быту аварийно химически опасных веществ. Первые признаки отравления хлором. Аммиак и его применение в медицине и в домашнем хозяйстве, синильная кислота. Приборы разведки и определения АХОВ.

    реферат (28,6 K)

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