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黑盐
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  black salt
     The reaction of Roussin Black Salt with diazonium salt gives a dark-red complex {Fe2S2(C6H4F)2(NO)4}, the X-ray crystal structure of which has been determined.
     Roussin黑盐与重氮盐反应,可以得到络合物[Fe-2S_2(C_6H_4F)_2(NO)_4]。
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  “黑盐”译为未确定词的双语例句
     Normal Coordinate Analysis of the Black Roussinate Anion [Fe4S_3(NO)_7]~-
     陆森黑盐阴离子(Fe_4S_3(NO)_7]~-简正坐标分析
短句来源
     The coordination activation effects of Red Roussinate, MoFeS_4(NO)_2~(2-), Black Roussinate and"string bag" model to the nitrogenase substrates(C_2H_2, N_2, NNH~+ and NCH) have been simulated quantum chemically by using the EHMO calculations.
     用EHMO法就Roussin红盐,MoFeS_4(NO)_2~(2-),Roussin黑盐及网兜状模型对C_2H_2,N_2,NNH~+和NCH等固氮酶底物的配位活化进行了量子化学模拟.
短句来源
     A theoretical assignment to the infrared spectra of the black Roussinate anion by using the method of normal coordinate analysis is described.
     本文采用简正坐标分析法对陆森黑盐阴离子进行红外光谱的理论归属。
短句来源
     The theoretical vibration frequences of the string bag skeleton [Fe4S3] were obtained from a normal coordinate analysis on [fe4S3] skeleton by using a set of corresponding grometrical parameters and forc(?) constants of the black Roussinate anions.
     本文报导了利用陆森黑盐阴离子的相应几何参数和力常数,对网兜骨架[Fe_4S_3]的简正坐标分析,得到了该骨架振动的理论计算频率。
短句来源
     On this basis we are able to verify that during the synthesis of NH3in black Roussinate system,the string bag skeleton [fe4S3] exists all the time and plays an important part in the fixation of nitrogen.
     以此为根据,针对陆森黑盐系统中的氨合成过程,论证了[Fe_4S_3]网兜骨架一直是存在的,并起着主要固氮作用。
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  相似匹配句对
     Basic knowledge of analytical reagents——salts
     三、
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     The Dark Eye
     眼睛
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     Black Tulips
     郁金香
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     The Electronic Structures of Red Roussinate and Black Roussinate
     Roussin红和Roussin的电子结构
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     The salty coffee
     咖啡
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  black salt
Concanavalin A-peroxidase-diaminobenzidine-periodic acid-m-aminophenol-Fast Black salt K: a method for the dual staining of neut
      
It combines a concanavalin A-peroxidase-diaminobenzidine (Con A-PO-DAB) method with a period acid-m-aminophenol-Fast Black salt K (PA-AP-FBK) sequence.
      


The reaction of Roussin Black Salt with diazonium salt gives a dark-red complex {Fe2S2(C6H4F)2(NO)4}, the X-ray crystal structure of which has been determined. The crystal is tricllnic, belonging to the space group P , with a=10.217(4),b=10.143(1),c=8.955(1) A, α=105.68(4), β=99.91(2), γ=83,44(2) , and Z=2. The structure is solved by heavy atom method and refined by full-matrix least-squares technique to R=0.029 for 3116 observed reflections.There are two molecules in a unit cell, and they exhibit center symmetry....

The reaction of Roussin Black Salt with diazonium salt gives a dark-red complex {Fe2S2(C6H4F)2(NO)4}, the X-ray crystal structure of which has been determined. The crystal is tricllnic, belonging to the space group P , with a=10.217(4),b=10.143(1),c=8.955(1) A, α=105.68(4), β=99.91(2), γ=83,44(2) , and Z=2. The structure is solved by heavy atom method and refined by full-matrix least-squares technique to R=0.029 for 3116 observed reflections.There are two molecules in a unit cell, and they exhibit center symmetry. The Fe atoms are coordinated In a tetrahedral form, and two -SR groups form a Fe2S2 rhombic plane by S-bridged bonds with two Fe atoms, and four -NO groups are coordinated to two Fe atoms respectively.

Roussin黑盐与重氮盐反应,可以得到络合物[Fe-2S_2(C_6H_4F)_2(NO)_4]。它是一种暗红色的晶体,属于三斜晶系,空间群P_~-,晶胞参数a=10.217 4),b=10.143(1),c=8.955(1),α=105.68(4)°,β=99.91(2)°,Υ=83.44(2)°,Z=2。应用X射线衍射方法测定晶体结构。由重原子法解出结构,并经全矩阵最小二乘法修正,R=0.029。单胞中的两个分子以对称心相连系。Fe原子为四面体配位,两个-SR基团上的S原子以桥键与两个Fe原子构成Fe_2S_2的菱形平面,四个-NO基则分别与两个Fe原子配位。

A theoretical assignment to the infrared spectra of the black Roussinate anion by using the method of normal coordinate analysis is described. The initial set of force constants is taken from the red Roussinate. The calculated frequencies of IR spectra after being refined are in good agreement with the experimental ones with an average error of 2.6%. The rationality and! reliability of the force constants available are discussed in comparision with the force constants of red Roussinate as welllas with the crystal...

A theoretical assignment to the infrared spectra of the black Roussinate anion by using the method of normal coordinate analysis is described. The initial set of force constants is taken from the red Roussinate. The calculated frequencies of IR spectra after being refined are in good agreement with the experimental ones with an average error of 2.6%. The rationality and! reliability of the force constants available are discussed in comparision with the force constants of red Roussinate as welllas with the crystal and electronic structures of black Roussinate. The delocalize.d characteristic of the vibrational modes in the "string bag" skeleton is also described.

本文采用简正坐标分析法对陆森黑盐阴离子进行红外光谱的理论归属。初始力常数值取自陆森红盐。修正后的计算频率与观测频率吻合良好,平均偏差为2.6%。基于与陆森红盐力常数的对比以及与陆森黑盐晶体结构和电子结构研究结果的对比,讨论了所得力常数的合理性与可靠性。文中同时指出网兜骨架中振动模式的非定域性的特点。

The theoretical vibration frequences of the string bag skeleton [Fe4S3] were obtained from a normal coordinate analysis on [fe4S3] skeleton by using a set of corresponding grometrical parameters and forc(?) constants of the black Roussinate anions. On this basis we are able to verify that during the synthesis of NH3in black Roussinate system,the string bag skeleton [fe4S3] exists all the time and plays an important part in the fixation of nitrogen.

本文报导了利用陆森黑盐阴离子的相应几何参数和力常数,对网兜骨架[Fe_4S_3]的简正坐标分析,得到了该骨架振动的理论计算频率。以此为根据,针对陆森黑盐系统中的氨合成过程,论证了[Fe_4S_3]网兜骨架一直是存在的,并起着主要固氮作用。

 
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