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transition metal 【化學】過渡金屬。

transition point

And tg - dsc . 3 . n , n ' - disalicylidenedianilines and its transition metal complexes of nicl2 6h2o are synthesized by liquid and solid state reaction at room temperature , and their thermochromism are investigated by ir , far i . r 文中的配合物就是其中之一,中心離子是與c = n雙鍵的n原子以及苯環上鄰位的羥基的氧原子同時進行配位的。

The methods and mechanisms of thermal , anionic , transition metal catalyzed ring - opening polymerization ( rop ) , as well as the structure , property and potential applications of resultant polyferrocenophanes have been described 對熱引發、陰離子引發、過渡金屬催化等開環聚合方法及機理以及聚合物結構、性能及潛在應用作了介紹。

Transition metal oxides with high inserted potential are used as cathode material of li - ion batteries generally . at present , layered compounds lico02 , lini02 and spinel limn204 are extensively studied 具有高插入電位的過渡金屬氧化物常用作鋰離子電池的正極材料,目前研究較多的是層狀結構的licoo _ 2 、 linio _ 2 。

Research in low - temperature magnetic behavior caused by superexchange interactions among transition metal ions in various compounds , including the experimental measurement of magnetic susceptibility and specific heat 研究領域:過渡金屬離子化合物之合成與磁性研究,包括低溫磁化率與低溫比熱之量測。

The material studied in this paper is a novel kind of semiconductor material which is fabricated by incorporating magnetic transition metal ion mn + into ih - v semiconductor compound gaas 本論文所研究的dms材料便是由磁性過渡族金屬離子mn ~ +摻入-族半導體化合物gaas中而形成的一類新的半導體材料。

Transition metal nitrides / carbides are sorted as interstitial compounds and known as “ platinum - like metal “ owing to their similar surface and catalytic properties to those of noble metals platinum and rhodium 摘要介紹了過渡金屬氮化物碳化物獨特的晶體結構和電子性能及其與催化性能的內在聯系。

The following results have been concluded : ( a ) ab initio has its advantages in the calculating of atom cluster containing transition metal , especially in precision and total energy calculations 結果表明: ( 1 )從頭計算方法在用于原子簇的計算中有其自身的優勢,尤其是在精度和總能量計算方面。

Abstract : the elementary principles and methods of carbon dioxide fixation by coordination and insertion reactions of transition metal complexes catalysis are reviewed 文摘:綜述了利用過渡金屬配合物和二氧化碳的配位及插入反應實現二氧化碳固定的基本方法、原理及其研究現狀。

What caused the poor bleachability of dip fines ? the two factors coming from external contamination were : residual ink and transition metals in pulp , specifically iron 摘要什麼使得脫墨漿細料的漂白反應性能差?是來自內部雜質的兩個因素:殘馀油墨和過渡金屬,特別是鐵。

Abstract : recent advances in asymmetric hydrosilylation of prochiral carbonyl compounds catalyzed by chiral transition metal complexes are reviewed in this paper with 47 references 文摘:評述了近年來手性金屬配合物催化的前手性羰基化合物的不對稱硅氫化反應研究進展。

In this paper the recent progress on applications of nano transition metal catalysts in organic synthetic chemistry is reviewed , and an outlook of their developments is also discussed 綜述了近年來納米級過渡金屬催化劑在有機合成方面的應用,并對其發展作了展望。

The elementary principles and methods of carbon dioxide fixation by coordination and insertion reactions of transition metal complexes catalysis are reviewed 摘要綜述了利用過渡金屬配合物和二氧化碳的配位及插入反應實現二氧化碳固定的基本方法、原理及其研究現狀。

The elementary principles and methods of carbon dioxide fixation by coordination and insertion reactions of transition metal complexes catalysis are reviewed 綜述了利用過渡金屬配合物和二氧化碳的配位及插入反應實現二氧化碳固定的基本方法、原理及其研究現狀。

Transition metal complexes of 4 - aminoacetophenone , n - salicylideneamino - pnitroaniline , p - aminoaniline ? 3h2o p - aminoacetanilide etc are synthesized and their thermochromism are investigated by ir , far i . r 通過紅外、 tg - dsc 、遠紅外等法研究了它們的熱色性。

The recent works on the amino - acid complexes of rare earths and transition metals are reviewed with emphasis on their properties and applications 摘要本文概述了近年來國內外對稀土與過渡金屬的氨基酸配合物的研究,主要介紹了它們的性質及其應用等。

The recent works on the amino - acid complexes of rare earths and transition metals are reviewed with emphasis on their properties and applications 本文概述了近年來國內外對稀土與過渡金屬的氨基酸配合物的研究,主要介紹了它們的性質及其應用等。

This paper reviews recent progress in transition metal - catalyzed organic reactions using supercritical carbon dioxide as reaction media 摘要主要綜述了近年來超臨界二氧化碳作為反應介質過渡金屬催化有機反慶的最新進展。

The net charge of transition metal atom has decreased as a result of the static effect of lithium ion and effect of energy band of co and ni 由于鋰離子的靜電作用和鈷、鎳自身能帶結構的影響,過渡金屬的凈電荷減小。

The regulations of the transition metal vanadium oxide synthesis were found . those results are helpful to synthesize the vanadates effectively 論文工作表明水熱方法是一條合成具有特殊形貌釩酸鹽的有效途徑。