Яндекс.Метрика

Новые поступления

Molecular Hydrogen MAGIE molecular hydrogen magie
Spitzer space telescope spectroscopy reveal a new class of galaxies with enhanced molecular hydrogen (H2) line emission, but where star formation is strongly suppressed. This is in sharp contrast with what is observed in standard star forming galaxies. These sources are all in active phases of galaxy evolution (galaxy interactions, AGN feedback, gas accretion in galaxy clusters, etc.). Why is H2 present in violent phases of galaxy evolution? How is the H2 emission powered? Why is the H2 gas inefficient at forming stars? What can we learn from these ''''H2 galaxies'''' about galaxy formation? This thesis addresses these questions, and discuss the theoretical and observational perspectives of this work (in particular Herschel and JWST).
7790 RUR
Lancome Magie Noire Туалетная вода Magie Noire Туалетная вода molecular hydrogen magie
MAGIE NOIRE - это тайна. Тайна соблазнения, тайна любви с первого взгляда. Не существует противоядия к этому эликсиру страсти . Мужчины не способны сопротивляться его загадочной власти. Ноты аромата: Бергамот, Черная смородина, Мандарин, Роза, Гвоздика, Мох, Пачули, Ладан.
7590 RUR
Insights into the assembly of NiFe hydrogenase enzymes molecular hydrogen magie
Certain photosynthetic organisms have the capability to produce molecular hydrogen by converting solar energy into this clean energy source. Hydrogen can be burnt, high amount of clean energy can be generated, and the only byproduct is water. Certain organisms contain ancient enzymes, which can evolve hydrogen from protons and electrons. These enzymes are the hydrogenases, which catalyze the oxidation of molecular hydrogen into protons and electrons, and the reverse reaction, the reduction of protons to yield molecular H2. Considering the complexity in function and localization, in addition to the structural sophistication of [NiFe] hydrogenases and their active sites, it is not surprising that many genes are required for the biosynthesis of these enzymes. The subunits coded by the structural genes have to undergo modification processes mediated by the so-called accessory proteins. This molecular assembly requires at least 10 auxiliary proteins. Some of them are needed for the maturation of all hydrogenase enzymes in the cell, these are the hydrogenase pleiotropic (Hyp) accessory proteins, while others are specific for only one hydrogenase in the host organism.
5890 RUR
Impact of additives molecular structure on combustion of hydrogen molecular hydrogen magie
Advantages of hydrogen as a fuel and energy carrier are well known. Production and use of hydrogen are increased progressively (Global annual coefficient is approx 1.15). At the same time, however, application of hydrogen is significantly limited by heightened combustibility of its mixtures with air. Until recently chemical methods for controlling gas phase combustion processes of hydrogen and hydrocarbons have been applied on a small scale. Only simple halogenated hydrocarbons (halons) have actually been used as fire extinguishers. These compounds are, however, of limited applicability not only because they are toxic and chemically aggressive toward environment, but also because of their low efficiency of action on combustion. This makes the use of halons expensive and impedes the elucidation of the nature of the action. Such a situation of the problem of chemically controlling combustion is to a great extent a consequence of traditional views on these processes. My new approach is to develop efficient methods for controlling hydrogen and hydrocarbons combustion processes by use of ecologically clean selected small additives (2-3%) with certain molecular structure.
3549 RUR
HYDROGEN Рюкзаки и сумки на пояс molecular hydrogen magie
большой размер, логотип, разноцветный узор, молния, внутренние карманы, внутри на подкладке
12200 RUR
HYDROGEN Рюкзаки и сумки на пояс molecular hydrogen magie
большой размер, искусственная кожа, без аппликаций, двухцветный узор, молния, внутренние карманы, внутри на подкладке
7800 RUR
HYDROGEN Сумка на руку molecular hydrogen magie
средний размер, искусственная кожа, без аппликаций, разноцветный узор, молния, внутренние карманы, внутри на подкладке, клатч
3650 RUR
HYDROGEN Шарф molecular hydrogen magie
жаккардовая ткань, фланель, без аппликаций, в горошек
9250 RUR
Hydrogen Peroxide Teeth Whitening Strips Double Elastic Gel Strips molecular hydrogen magie
Hydrogen Peroxide Teeth Whitening Strips Double Elastic Gel Strips
230.68 RUR
HYDROGEN Шарф molecular hydrogen magie
плотная ткань, без аппликаций, геометрический рисунок
6800 RUR