Library

feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    International applied mechanics 5 (1969), S. 313-319 
    ISSN: 1573-8582
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 2
    Electronic Resource
    Electronic Resource
    Springer
    International applied mechanics 5 (1969), S. 344-350 
    ISSN: 1573-8582
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Reaction kinetics and catalysis letters 1 (1974), S. 315-319 
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract На основании кинетических закономерностей изотопного обмена установлено, что гетерообмен O2 на поверхности окислов осуществляется по двум различным механизмам: 1) за счет обратимой адсорбции с образованием двух атомных форм с различной прочностью связи и 2) через трехатомный комплекс из молекулы и поверхностного атома кислорода. Наяду с этим, может протекать гомообмен молекулярного кислорода по ассоциативному механизму.
    Notes: Abstract On the basis of the kinetic law of isotope exchange, it has been established that the heteroexchange of O2 occurs via two different mechanisms: 1/reversible adsorption resulting in the formation of two atomic species with different bonding strengths, and 2/formation of a triatomic complex from the oxygen molecule and an oxygen atom on the surface. Simultaneously, the homoexchange of molecular oxygen may take place by an associative mechanism.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 4
    ISSN: 1608-3210
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The influence of coke formation in the reaction of benzene oxidation by nitrous oxide into phenol on the catalytic activity and concentration of iron-containing active sites (α-sites), which are stabilized in the microporous structure of FeZSM-5 zeolite, is studied. The deactivation by coke is explained by the poisoning of α-sites, whose concentration decreases linearly with an increase in the coke content, rather than by the blocking of zeolite pores. The activity per one α-site remains unchanged. This fact indicates the absence of diffusion limitations associated with coke formation. The toxicity of coke for the α-sites is determined. The coke amount equivalent to 100–120 benzene molecules is shown to result in the deactivation of one active site.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Reaction kinetics and catalysis letters 16 (1981), S. 247-251 
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract По активности в изотопном обмене азота нитрид бария на 2–3 порядка превосходит Fe и Ru. Энергия активации обмена в области 373–673 К составляет 40 кДж/моль.
    Notes: Abstract The activity of barium nitride in the isotope exchange of nitrogen is 2–3 orders of magnitude higher than that of Fe and Ru. In the temperature range from 373 to 673 K the activation energy of exchange is 40 kJ/mol.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 6
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The outer surface of FeZSM-11 zeolite was selectively silylated without affecting the inner system of its channels. SiO2 deposition suppressed both the acidity and catalytic activity of the outer surface in mesitylene isomerization. Neither zeolite activity, nor its stability in N2O benzene oxidation to phenol have changed upon silylation. This fact gives evidence that the latter reaction proceeds primarily within the zeolite channels.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Reaction kinetics and catalysis letters 22 (1983), S. 309-314 
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Проведено сопоставление теплот адсорбции с энергией активации изотопного обмена азота на ряде нитридов металлов. Сделан вывод, что для систем, спосо бных сравнительно легко менять свой состав при изменении условий, изотопный обмен является наиболее надёжным методом определения величины р.
    Notes: Abstract Adsorption heats q and activation energies of the nitrogen exchange on several metal nitrides have been compared. For the systems capable of changing readily their composition upon varying conditions, the isotope exchange is suggested to be the most reliable method of the determination of q.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Reaction kinetics and catalysis letters 29 (1985), S. 267-274 
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract При давлении до 100 бар исследован синтез аммиака на нитридах CeN, UN1, 70 и железном катализаторе CA-1. Кинетика реакции описывается уравнением Темкина-Пыжова. Энергия активации для всех образцов близка и составляет около 200 кДж/моль. Удельная каталитическая активность нитридов уступает железному катализаторы: 3–4 раза для урана и в 10 раз для церия.
    Notes: Abstract Ammonia synthesis on nitrides CeN, UN1.70 and iron catalyst CA-1 has been examined at pressures of up to 100 bar. Reaction kinetics is described by the Temkin-Pyzhev equation. Activation energy for all samples is similar and equals about 200 kJ/mol. Specific catalytic activity of nitrides is lower than that of the iron catalyst by a factor of 3–4 for uranium and 10 for cerium.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Reaction kinetics and catalysis letters 9 (1978), S. 239-244 
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Исследовано взаимодействие кислорода, адсорбированного на платине, с водородом в области низких температур, Показано, что молекулярная форма поверхностного кислорода способна принимать участие во взаимодействии с водородом. В области 170–350°К измерена стационарная скорость реакции окисления водорода, энергия активации которой равна 3 ккал/моль.
    Notes: Abstract The interaction of oxygen adsorbed on platinum with hydrogen at low temperatures has been studied. The molecular surface oxygen is shown to be involved in the reaction with hydrogen. The steady-state rate of hydrogen oxidation has been measured at 170–350 K. The activation energy is 3 kcal/mol.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 10
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Исследованы каталитические свойства V2O5/SiO2 в реакции окисления бензола оксидом азота N2O. Установлено влияние добавок натрия на стабильность работы катализатора.
    Notes: Abstract Catalytic properties of V2O5/SiO2 in benzene oxidation by N2O were examined. Sodium additive was shown to affect the catalyst operation stability.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...