碳化的

The titled compound as an intermediate for preparing muscone is obtained by reacting a tetradecanedioic acid as the starting material with a chlorinating agent——chlorosulfoxide,followed by reacting the resultant reaction product on halogenomethylzinc .

采用直链十四碳二元酸为起始原料，先以氯化亚砜进行酰化，所得酰氯直接与甲基锌试剂反应进行甲基化，从而制得了合成麝香酮的重要中间体2，15-十六烷二酮，产物结构经1HNMRI、R确认。

The oxidation of C=C double bond in 4-isopropylideneC〓-trishomocubane-8, 11-dione was studied. Ozonolysis of that double bond was arrived and the ozonide was found much more stable than ordinary ozonides.

详细研究了4—异亚丙基—C〓—三高立方烷—8，11—二酮中碳—碳双键的氧化反应，实现了双键的臭氧化分解，并发现其臭氧化物具有不寻常的稳定性。

By using three broad distribution standards of polytitanocarbosilane whose number average molecular weights are determined by VPO, the calibration equation of gel permeation chromatography of the preceramic polymer polytitanocarbosilane which generally haslow average molecular weight and high branching degree was established as follows: ln M=

采用以气相渗透法测定了数均分子量的宽分布含钛聚碳硅烷作标样，通过计算机辅助建立了具有较低分子量和较高支化度的陶瓷先驱体聚合物——含钛聚碳硅烷的凝胶渗透色谱校准方程lnM＝20.9－0.843T。

Methods:Amperometry was employed to examine the electrochemical respondence of our developed glucose biosensor on additions of glucose.

用硅溶胶凝胶技术修饰电化学铂化处理的碳粉与葡萄糖氧化酶混合制成的碳糊电极，构成新型电流式葡萄糖传感器，并用电流分析法研究其对葡萄糖的响应。

In the occurrence of arcs discharges, spark discharges and corona discharges, sulfur hexafluoride (SF6) would be decomposed to complicated byproducts such as carbon dioxide (CO2), carbon tetrafluoride (CF4), etc.

六氟化硫（SF6）气体在电弧、电火花和电晕放电的作用下会发生分解，产生二氧化碳（CO2）、四氟化碳（CF4）等分解产物。

Sialon powders have been synthesized by carbonthermic and aluminothermic reduction and nitridation from natural Kaolin. The cost is 2030 times lower than that forming pure β′-Sialon from artificial materials.

首次以天然高岭土为原料，通过碳热还原氮化和铝热还原氮化两种途径制备β'-Sialon粉体，它比用合成原料制备的纯β'-Sialon成本下降20－30倍。

The analysis of the products shows that the cracking, aromatization and isomerization reaction of hydrocarbons such as octane and benzene-n-octane over the nanoscale HZSM-5 catalyst followed the carbonium ion mechanism.

产物分析结果表明，烃类在纳米HZSM-5催化剂上的裂解、芳构化和异构化等遵循正碳离子机理。

A suspension of carbon nanotubes as a nanofluids was prepared by dispersing carbon nanotubes into deionized water. The effects of several typical kinds of surfactants such as sodium dodecyl benzene sulfonate, hexadecyl trimethyl ammonium bromide and emulsifying agent OP on the stability of the nanofluid were studied by stationary and centrifugal tests with sample morphologies characterized by SEM and TEM.

在水中加入碳纳米管制备了含碳纳米管悬浮液，研究了几种典型类型的表面活性剂：十二烷基苯磺酸钠、十六烷基三甲基溴化铵及乳化剂OP对纳米流体稳定性的影响，通过静置和离心分离等手段研究了其稳定性，并采用扫描电子显微镜和透射电子显微镜对样品的形貌进行了表征。

The Fourier transform infra-red spectroanalysis revealed the structure characeristics of the sulfonated copolymers, in which the characteristic absorption peaks of all the functional groups appeared in the corresponding spectrogram, and there was no olefinic band at 1635-1620cm〓.

三种磺化共聚物的特征吸收峰均较好地显示在相应的红外光谱图上，同时在1635-1620cm〓处未见碳碳双键的吸收峰。

In a DMF solution of CuCl〓-ethanolamine-acetic acid (1: 2: 2), 27 formed a highly oxidized heterocyclic compound 2-hydroxymethyl-naphtho [1, 2-a] oxazole (30) by the carbon-nitrogen coupling and carbon-oxygen coupling with the ligand of ethanolamine, which brings a chance to develop a novel approach to this heterocyclic compound via one-pot reaction of phenols under mild condition.

在氯化铜—乙醇胺—乙酸（1：2：2）的DMF溶液中，27与配体乙醇胺发生碳氮偶合与碳氧偶合，生成深度氧化的杂环化合物：2-羟甲基-萘并[1，2-a]〓唑（30）。这可望为酚类一锅化直接转化为30及其类似物提供一种简便的新合成路线。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新