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双苯基
相关语句
  bis-phenyl
     Synthesis and characterization of bis-phenyl heptasilsesquioxane
     双苯基七聚笼形倍半硅氧烷的合成与表征
短句来源
  “双苯基”译为未确定词的双语例句
     Crystal Structure of N,N' -Diphenyl-3,6-dimethyl-1,4-dihydro-S-tetrazine-1,4-dicarboamide
     N,N'-双苯基-3,6-二甲基-1,4-二氢-S-四嗪-1,4-二甲酰胺的晶体结构
短句来源
     1, 11-bis-phenyl-l, 3, 8,10-undecatetraen-5, 7-dione;
     化合物E1,11双苯基-1,3,8,10-十一烯-5,7-二酮;
短句来源
     CHEMICAL CALCULATIONS (PPP-CI METHOD) OF ELECTRONIC SPECTRA OF TRANS-1,2-BIS(2' -(5-' PHENYLOXADIAZOL-1 ,3', 4'-YL) ETHYLENE AND ITS DERIVATIVES
     PPP-CI方法计算双苯基噁二唑乙烯类化合物的电子光谱
短句来源
     Study on the Photochemical Properties of Chain Linked Bis(Phenyloxadiazoly)ethenes
     链状双苯基噁二唑基乙烯光化学性质的研究
短句来源
     Preparation and separation of novel pervaporative membrane——Polymethyldiphenylsiloxane membrane
     新型渗透蒸发膜聚甲基双苯基硅氧烷膜的制备和分离
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  相似匹配句对
     Synthesis of Bis( N-Phenyl-3-Carbazolyl)-Toluene Iodide
     (N-苯基-3-咔唑基)甲苯碘盐的合成
短句来源
     Synthesis and bioactivity of bis[(N-arylureido)phenyl] disulfides
     [(N-芳基脲基)苯基]二硫化物的合成与生物活性
短句来源
     Dual Lenses
     透镜
短句来源
     Analysis on double loop whorl
     箕斗调查分析
短句来源
     Synthesis of N-phenyl piperazine
     N-苯基哌嗪的合成
短句来源
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  bis-phenyl
MDM were seeded on PCNUs synthesized with hexane diisocyanate (HDI) or 4,4'-methylene-bis-phenyl diisocyanate (MDI), PCN and [14C]butanediol (BD) in the ratio 3:2:1 (referred to as HDI321 or MDI321).
      
Palladium(II)- und Platin(IV)-Komplexe von o-Bis-(phenyl?thinyl)-benzol
      
Triphenyl-Polymethylen-bis-phosphoniumverbindungen zeigte das Pentamethylen-bis-phenyl-Phosphoniumbromid (Q 11) die st?rksten ganglion?r blockierenden Eigenschaften.
      
über spasmolytisch wirksame 1-Phenyl-isochinoline und Bis-(phenyl?thyl)-amine mit Guajacyl-gruppierung
      
The crystal and molecular structures of bis-{(phenyl
      


In this paper,we Consider the π-electrons plaed in a one-dimenoisnal potential field with a cosine wave variation of ampllitude Vo along the chain and rising to infinty at the ends.The cosine potetial possesses the period in the sum of the C-C single bond and double bond distance. The crests and troughs of the cosine curve coincide with the longer and shorter bonds,respectively. The Schr(?)dinger equation satisfied with the boundary conditions,has been transformed to the Mathiu's equation expressed in terms...

In this paper,we Consider the π-electrons plaed in a one-dimenoisnal potential field with a cosine wave variation of ampllitude Vo along the chain and rising to infinty at the ends.The cosine potetial possesses the period in the sum of the C-C single bond and double bond distance. The crests and troughs of the cosine curve coincide with the longer and shorter bonds,respectively. The Schr(?)dinger equation satisfied with the boundary conditions,has been transformed to the Mathiu's equation expressed in terms of the same conditions with different forms.On the basis of solving the equation step by step,we have obtained the series expressions of the energy and the wave functions containing one paramater q.Through not too long calculation,the theoretical formulas for the wave number(8)and the oscillator strength of the maximum of the first absorbtion band(11)have been derived out. Good agreement with experimental results of polyenes and biphenyl polyenes for λ_1 and f_1 is obtained by the use of the above mentioned two equations.when q and α equal to zero,the equations(8)and(11)reduce to F E approximation very naturally.Applying this kind of zero order approximation,to the experimental deta of symmetrical polymethines have been given a good explanation as usual.

本文采用的方法是,在一维方势籍中,引人周期为单键与双键长度之和的余弦型势函数。将适合附加条件的薛定谔方程经过变换,化成适合边界条件的马蒂安方程,利用逐步求解法,得出包含一个参数 q 的能量及波函数的级数表达式。经过一些计算,便推导出第一吸收峰的波数公式(9)和振子强度的理论公式(11)。应用这两个公式解释多烯烃及双苯基多烯烃的光谱时,结果还比较满意,利用这种近似,也解释了不对称的聚甲川分子的实验数据。当 q=0,α=0,时,非常自然地推导出简单自由电子理论公式,满意地解释了对称聚甲川分子的实验数据。根据自由电子模型,对维特经典色泽理论的结果,也在文中示例予以阐明。

In this paper the extraction of gold with 1, 2-bisalkyl (aryl) thioethane (L)——1, 2-bis (n-octylthio) ethane (BOTE), 1, 2-bis (n-amylthio) ethane (BATE), 1, 2-bis (phenylthio) ethane (BPTE) and complexes have been studied. Gold is extracted with high efficiency and may be quantitatively isolated with bisalkylthioethane. In solution, 1:1 and 2:1 complexes are found at [L]≥[Au] and [Au]>[L] respectively. In solid state, only complexes of formulas (AuCl_3)_2 L and (AuCl)_2L are formed. The IR and ~H NMR spectra...

In this paper the extraction of gold with 1, 2-bisalkyl (aryl) thioethane (L)——1, 2-bis (n-octylthio) ethane (BOTE), 1, 2-bis (n-amylthio) ethane (BATE), 1, 2-bis (phenylthio) ethane (BPTE) and complexes have been studied. Gold is extracted with high efficiency and may be quantitatively isolated with bisalkylthioethane. In solution, 1:1 and 2:1 complexes are found at [L]≥[Au] and [Au]>[L] respectively. In solid state, only complexes of formulas (AuCl_3)_2 L and (AuCl)_2L are formed. The IR and ~H NMR spectra of complexes of Au(Ⅲ), Au(Ⅰ) with BOTE, BATE are discussed. The IR data support the conclusion suggested in literature for linear configuration of Au(Ⅰ) complexes and the apparent analogy between the ~1H NMR of complexes and free ligand is explained by an exchange mechanism of Au atom. For Au(Ⅲ) complexes, the IR data of low frequency are analysed in detail and there are new evidences supporting that the complexes are ionic.

本文研究了1,2-双烷基(芳基)硫代乙烷(L)——1,2-双(正辛基硫代)乙烷(BOTE)、1,2-双(正戊基硫代)乙烷(BATE)、1,2-双(苯基硫代)乙烷(BPTE)对金的萃取及其配合物的性质.双烷基硫代乙烷对金具有很强的萃取能力,可定量地萃取金.在溶液中,当[L]≥[Au~(3+)]时,Au与L形成1∶1Au-L配合物,而在[L]<[Au~(3+)]时,则为2∶1Au-L配合物.固态时,Au(Ⅲ)、Au(Ⅰ)与L只形成2∶1配合物(AuCl_3)_2L和AaCl)_2L.讨论了BOTE和BATE与Au(Ⅲ)、Au(Ⅰ)配合物的IR和~1H NMR谱.IR谱证实了关于Au(Ⅰ)配合物为线型结构的推断,并借助金原子的交换机理,解释了配合物与配位体的~1H NMR谱外观相似的原因.详细分析了Au(Ⅲ)配合物低频区的IR数据,提出了配合物有离子型结构的新证据.

In this paper the crystal structure of the complex PdCl_2·C_6H_5S(CH_2)_2SC_6H_5 has been determined and the IR and proton NMR of the complex were also discussed.The chemistry of the extraction of palladium and the possibility of separation of small amount of gold and palladium with 1, 2-bis (phenylthio) ethane have been studied.

本文测定了PdCl_2·C_6H_5S(CH_2)_2SC_6H_5配合物的晶体结构,并讨论了它的IR和~HNMR谱。研究了双(苯基硫代)乙烷萃取Pd~(2+)的化学以及应用于分离微量Au~(3+)和Pd~(2+)的可能性。

 
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