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含苯基
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  containing phenyl
     When methylchlorosilanes and diphenyldichlorosilane(Ph2SiCl2) were coammonolyzed, polysilazane precursors containing phenyl were obtained which could be transformed into Si-C-N ceramic powders through subsequent pyrolysis at high temperatures and grinding.
     通过共氨解甲基氯硅烷和二苯基二氯硅烷(Ph2SiCl2),得到含苯基聚硅氮烷前驱体,经高温裂解和球磨获得Si-C-N陶瓷粉末.
短句来源
  phenyl-containing
     Synthesis and structure characterization of phenyl-containing polycarbosilane.
     含苯基聚碳硅烷的合成与结构分析
短句来源
     Preparation and Tribological Behavior of the End Hydroxyl Group Phenyl-containing Poly Silicone Film
     端羟基含苯基聚二甲基硅氧烷薄膜的制备和摩擦学性能研究
短句来源
  “含苯基”译为未确定词的双语例句
     Some kinds of phenyl derivatives with different functional groups including O Cl F, such as OCH3 CF3 OH, were introduced to phenyl different positions and the total yield of theses compounds were 31.3%~55%.
     合成在不同位置上引入了OCH_3、CF_3、OH等基团的含苯基衍生物的三嗪酮新化合物,产物的总收率在31.3%~55%之间。
短句来源
     Phenyl or ρ-chlorophenyl magnesium bromide was allowed to react withmethyl chloromethyl chlorosilanes,giving phenyl or ρ-chlorophenyl methyl chlo-romethyl silanes of the general formula(CH_3)_(?)
     将甲基氯甲基氯硅烷与苯基或对氯苯基溴化镁作用,可制得含苯基或对氯苯基的甲基氯甲基硅烷[(CH_(?) )_((?)
短句来源
     ②The containing chlorine polysilanes were synthesized by chloromethylation reaction of polysilanes with Ph.
     ②用含苯基聚硅烷中的苯环进行氯甲基化反应;
短句来源
     The PAGs containing no benzene group display good transparency at 193 nm.
     结果表明,阴离子不含苯基时,在193nm处有很好的透明性.
短句来源
     It is approved that phenylpropylsilsesquioxane (Wacker-Belsil~SPR45) can provide better gloss property while still keeping properties of traditional silicone resin.
     测试结果表明含苯基丙基的聚倍半硅氧烷(Wacker-Belsil(?)
  相似匹配句对
     Synthesis and Properties of Poly (aryl ether ketone )s Containing meta-Phenyl Links
     苯基聚芳醚酮的合成与性能研究
短句来源
     Synthesis and structure characterization of phenyl-containing polycarbosilane.
     苯基聚碳硅烷的合成与结构分析
短句来源
     Generalized Functions Containing Parameter
     参变量t的广义函数
短句来源
     Chromium-containing phosphate
     铬的磷酸盐
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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  containing phenyl
The properties of films formed on the water surface by rigid molecules of organosilicon compounds, oligomeric silsesquioxanes containing phenyl and ethyl side groups, are studied.
      
It was found that PCOSs with nonyl substituents supported on zirconia exhibited a maximum catalytic activity, whereas catalysts containing phenyl fragments were less active.
      
The equality of the volumes of the coordination polyhedra of the U, Np, and Pu atoms is attributed to the influence of TPPO containing phenyl radicals with negative effective charge.
      
The influence of the pore size of bonded phases containing phenyl groups on the retention of polycyclic aromatic hydrocarbons in
      
STOX (hydroxylamine containing phenyl-β-D-glucopyranoside as the internal standard) was mixed with trimethylsilylimidazol or hexamethyldisilazane, and then added to a standard sugar mixture containing D-glucose, D-galactose and D-mannose.
      
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  phenyl-containing
Preparation and characteristics of thin films of phenyl-containing polyacetylenes
      
Colored thin films with a thickness of 0.1-10 μm were prepared by the vacuum sputtering of phenyl-containing polyacetylenes.
      
The theoretical parameters of the orientational order were analyzed and compared with the experimental data for films of polysaccharides, sulfated phenyl-containing polymers, and polytrimethylsilylpropynes.
      
The experimental data indicate the low polarity of the sorbent that is close to those of phenyl-containing siloxane phases.
      
Spontaneous birefringence in films of some phenyl-containing polymers
      
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Phenyl or ρ-chlorophenyl magnesium bromide was allowed to react withmethyl chloromethyl chlorosilanes,giving phenyl or ρ-chlorophenyl methyl chlo-romethyl silanes of the general formula(CH_3)_(?) Ar_n SiCH_2Cl.The correspondingiodomethyl compounds were obtained by treating the chloromethyl compoundswish potassium iodide in acetone.Triphenyl iodomethyl silane was synthesizedthrough the reaction of Grignard reagent and iodine.The rate constants of someabove-mentioned nuclcophilic substitution reactions were measured.The...

Phenyl or ρ-chlorophenyl magnesium bromide was allowed to react withmethyl chloromethyl chlorosilanes,giving phenyl or ρ-chlorophenyl methyl chlo-romethyl silanes of the general formula(CH_3)_(?) Ar_n SiCH_2Cl.The correspondingiodomethyl compounds were obtained by treating the chloromethyl compoundswish potassium iodide in acetone.Triphenyl iodomethyl silane was synthesizedthrough the reaction of Grignard reagent and iodine.The rate constants of someabove-mentioned nuclcophilic substitution reactions were measured.The resultsrevealed that,the introduction of phenyl group in place of the methyl decreasedthe reactivity of the α-chlorine atom,while that of the ρ-chlorophenyl groupexerted little effect.

将甲基氯甲基氯硅烷与苯基或对氯苯基溴化镁作用,可制得含苯基或对氯苯基的甲基氯甲基硅烷[(CH_(?))_((?)-n)(Ar)_nSiCH_2Cl]。这些氯甲基硅烷与碘化钾在丙酮溶液中作用,可得相应的碘甲基硅烷。由于三苯基氯甲基硅烷与碘化钾反应太慢,相应的碘化物系借Grignard 试剂与碘作用合成。作者等并测定其中若干亲核取代反应的速度常数,结果说明苯基增多,反应速度大为降低,而对氯苯基则影响很小。

The 195Pt, 31P-NMR spectra were recorded for 12 platinum( Ⅱ ) complexes containing phenyl cyclopentyl phosphine, phosphite and halogen ligands The influence of solvent,concentration and temperature on the 195Pt spectra were investigated Lewis base solvents cause 195Pt resonances moving upfield. For cis-Pt(PPh3)2Cl2 in CH2Cl2 solution, 195Pt concentration coefficient is -17.8ppm/mol, and temperature coefficient is 0. 43ppm/℃. It was found that the 195Pt, 31P chemical shifts of cis-isomers are less than those...

The 195Pt, 31P-NMR spectra were recorded for 12 platinum( Ⅱ ) complexes containing phenyl cyclopentyl phosphine, phosphite and halogen ligands The influence of solvent,concentration and temperature on the 195Pt spectra were investigated Lewis base solvents cause 195Pt resonances moving upfield. For cis-Pt(PPh3)2Cl2 in CH2Cl2 solution, 195Pt concentration coefficient is -17.8ppm/mol, and temperature coefficient is 0. 43ppm/℃. It was found that the 195Pt, 31P chemical shifts of cis-isomers are less than those of trans-isomers, δcis <δtrans, and coupling constants of cis-isomers are greater than those of trans-isomers, (1Jpt-P)ciS>(1Jpt-p)trans. Normal halogen dependence was observed for the complexes cis-Pt(PPh3)2X2, the order of δ(l95Pt), δ(31P), 1Jpt-p values is Cl>Br >I. In 1, 2-diaminopropane solution the 195Pt satellite of 31P spectrum is the AB part of ABX system, whereas the central peak appears as a singlet.The l95Pt, 31P spectra of phosphite platinum complexes were also discussed.

本文测定了12个含苯基环戊基磷、亚磷酸、卤素等配体的铂(Ⅱ)络合物的~(195)Pt、~(31)P-NMR谱,考察了溶剂、浓度、温度对~(195)Pt谱的影响,研究了~(195)Pt、~(31)P化学位移、偶合常数与络合物几何构型的关系及对卤素的依赖关系。讨论1,2-丙二胺溶液中络合物~(31)P谱的变化,以及各种含亚磷酸配体的铂络合物~(195)Pt和~(31)P谱的变化。

A novel resin-type catalyst which may be used as packing material for the reaction distillation has been prepared by a sol-gel method. The catalytic material is an organic-inorganic hybrid. It contains O-Si-O unit in addition to benzene rings. In comparison to the commercial ion-exchange resin the thermostability of the catalytic material has been increased by 50 to 100℃ after introducing the inorganic component. After sulphonated in a solution of 20 vol% chlorosulponic acid and 80 vol% chloroform at room temperature...

A novel resin-type catalyst which may be used as packing material for the reaction distillation has been prepared by a sol-gel method. The catalytic material is an organic-inorganic hybrid. It contains O-Si-O unit in addition to benzene rings. In comparison to the commercial ion-exchange resin the thermostability of the catalytic material has been increased by 50 to 100℃ after introducing the inorganic component. After sulphonated in a solution of 20 vol% chlorosulponic acid and 80 vol% chloroform at room temperature for 12 hours, the polystyrene-SiOZ hybrid showed almost the same catalytic activity as that of the commercial ion-exchange resin.

用红外、核磁及热分析技术表征由溶胶-凝胶法制备、具有离子交换性能的大颗粒树脂催化剂,证实了树脂催化剂由含苯基及含硅的化合物构成,热稳定性高于商品离子交换树脂近100℃。对该树脂催化剂进行磺化反应的最佳条件为:温度,25℃;浓度,氯磺酸:三氯甲烷-1:4(Vo1);时间,12h。其缩醛化反应的催化活性与商品大孔离子交换树脂相当。

 
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