transient-pain
发表于 2025-3-23 12:23:14
Michael F. Faronamentally friendly technologies both for stationary and mobile pollution sources. Despite the fact that the area of fuels and energy generally penetrates through the whole economy, this measure will have a complex impact. It is also necessary to say, that environmental tax reform is an important inst
指数
发表于 2025-3-23 17:24:53
Reactions of Metallocarboranes,sticated level with rational synthetic routes and a qualitative theory of structure and bonding of considerable predictive power. The significance of the metallocarboranes in an ultimately practical sense has yet to be determined, although their exceptional stability, almost unlimited variety, and n
斑驳
发表于 2025-3-23 21:02:53
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Intercept
发表于 2025-3-23 23:31:44
of reactions are discussed briefly and referenced. Tables of all of the compounds prepared in the category under consideration and detailed directions for specific types make these chapters particularly helpful to the preparative chemist. While the specific directions have not been referenced in the same way.978-1-4613-4228-1978-1-4613-4226-7
现晕光
发表于 2025-3-24 02:27:44
Vinyl Polymerization of Organic Monomers Containing Transition Metals,ylferrocene (.) is an excellent example and the most thoroughly studied member of this unique class of monomers. Other model examples include vinylcyclopentadienylmanganesetricarbonyl (.), styrenetricarbonylchromium (.), and .-bis(tributylphosphine) (4-styryl)palladium chloride (.). Each of these mo
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发表于 2025-3-24 09:18:47
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HEPA-filter
发表于 2025-3-24 14:41:40
Homogeneous Catalysis by Arene Group-VIB Tricarbonyls,makes them relatively unique as a class. First of all, they serve as a center for organic molecules to gather around, and once coordination takes place, a variety of processes can occur which are either directly or indirectly promoted by the metal. For example, a ligand migration might occur, there
试验
发表于 2025-3-24 18:43:50
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谦虚的人
发表于 2025-3-24 19:06:44
Charles U. Pittman Jr.tung ist, daß in den letzten zwei Jahrzehnten, insbesondere im öffentlichen Recht, ein “beachtliches Gesetzes- und Normgebungswerk zum Schutze der Umwelt geschaffen”. wurde. Die Aktivität des Gesetzgebers ist zurückzuführen auf eine Sensibilisierung der Öffentlichkeit durch Umweltkatastrophen, aber
友好关系
发表于 2025-3-25 00:18:19
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