硅烷

From the transform infrared spectroscopy and X-ray photoelectron spectroscopy spectra, the hydroxyl and ethoxyl groups of the silica sol drawn from partially hydrolysis and polycondensation between TEOS and MTES can react with PA6 precursor.

红外图谱和X射线光电子能谱分析结果显示，硅溶胶的羟基和未完全水解的烷氧基能够与PA6的前驱体发生杂化反应。X射线衍射结果显示，采用本实验方法制备出的PA6和疏水型PA6/SiO2有机无机杂化材均为α晶型，而DSC结果表明，PA6/SiO2有机无机杂化材料的熔点略高于PA6。

The factors included the type of extractant, the amount and the extraction times, the type of purified column, the type and dosage of eluviatant about the pre-treatment of the samples. The extraction was 3 minutes (13500rpm) of high speed homogenize extraction. 50mL acetonitrile as an extractant was acted on one time extraction. The florin silicon column was taken as the purified column. The extraction was eluted by 30ml 3:2 acetone - hexane and concentrated by nitrogen blowing under 50 °C water bath.The chromatographic separated conditions were studied applied the Agilent 6890 gas chromatographic apparatus and DB-17 capillary column(30m×0.25mm×0.25μm).

研究了提取剂种类、用量与提取次数，净化柱种类，淋洗剂种类与用量，提取方式与提取时间，柱温和柱流量等因素对油菜籽中有机磷农药残留提取、分离净化和色谱分离的影响，建立了采用高速匀浆提取方式提取3min13500rpm.min~(-1，以50mL乙腈为提取剂一次提取，以弗罗里硅柱为样品液净化柱，以30mL 3：2丙酮-正己烷为淋洗剂，在50℃水浴条件下用氮吹浓缩，气相色谱检测的油菜籽有机磷农药多种残留检测技术。

Si-B-N ceramic fibers with composition Si1.13BN2.47 were prepared by melt-spinning, curing and pyrolysis of a preceramic polyborosilazane.

以聚硼硅氮烷为先驱体，经熔融纺丝、不熔化处理以及在氨气气氛中高温裂解制备了Si-B-N陶瓷纤维。

A very mild and extremely efficient hydrolysis method for transformation of polystyrene-b-poly (tert-butyl acrylate) to polystyrene-b-poly was designed and carried out using more convenient and inexpensive chlorotrimethylsilane/sodium iodide as reagents.

在温和的条件下使用廉价方便的三甲基硅氯烷/碘化钠作试剂，在乙腈溶剂中，50℃下使聚苯乙烯-嵌-聚丙烯酸特丁酯高效的水解。用透射电镜和动态光散射对嵌段共聚物聚苯乙烯-b-聚丙烯酸在水介质中的胶束化进行了研究。

Water,dimethicone,propylene glycol,glycerin,cyclomethicone,ppg-15 stearyl ether,sorbitan oleate,stearic acid,cetyl alcohol,glyceryl stearate,ethylhexyl methoxycinnamate,peg-100 stearate,panthenol,phenoxyethanol,phospholipids,triethanolamine,methylparaben,oenothera biennis oil,imidazolidinyl urea,carbomer,c12-13 alkyl lactate,glycyrrhetinic acid,citrus aurantium dulcisoil,propylparaben,tocopheryl acetate,benzophenone-3,triclosan,disodium edta,ethylparaben,pentadecalactone,iris germanica root extract,retinyl palmitate,bisabolol,butylparaben,sodium hyaluronate,aesculus hippocastanumseed extract,ruscus aculeatus root extract,chlorhexidine digluconate,biosaccharide gum-1,citrus aurantium amaraoil,tocopherol,lecithin,ascorbyl palmitate,glyceryl oleate,BHT,citric acid,limonene,linalool

水， 地美司康，丙二醇，甘油，环甲硅脂， PPG-15 硬脂基醚，油酸己六酯，硬脂酸，十六醇，甘油硬脂酸， 4-甲氧基肉桂酸-2-乙基己基酯，聚乙二醇硬脂酸酯，维生素B5，苯氧乙醇，磷脂质，三乙醇胺，羟苯甲酯，月见草油，尿素醛，卡波姆， c12-13烷醇乳酸酯，甘草亭酸，甜橙油，羟苯丙酯，醋酸盐维他命E，二苯酮-3，玉洁新，乙酸乙二胺二钠，羟苯乙酯，环十五内酯，鸢尾花根萃取，维他命A酯，没药醇，羟苯丁酯，透明质酸钠，欧洲七叶树籽萃取，假叶树根萃取，洗必泰葡萄糖酸盐，多醣物质，苦橙油，维生素E，卵燐脂，抗坏血酸棕榈酸酯，甘油油酸酯，二丁基羟基甲苯，柠檬酸，柠檬精油，芳樟醇水：几乎所有护肤品成分第一位都是水。地美司康：即silicon，矽灵，一般添加于霜剂中，使用后皮肤手感光滑。该成分不可吸收。

We have deposited the undoped and boron doped silicon thin films in the p champer using radio frequency plasma enhanced chemical vapor deposition method.

采用传统射频等离子体增强化学气相沉积技术，沉积了未掺杂和硼烷掺杂浓度为0.4％的两个系列的硅薄膜。

Certain ratio of diethyl ether-hexane was used to wash off the impurity during the clarification of Extrelut and Florisil.

在Extrelut、弗罗里硅土两次柱净化过程中，确定了用一定比例的乙醚-正己烷预淋洗，洗去了大量杂质。

The absorbency changes of both thiol and vinyl functional group were monitored independently by FTIR spectrometer during vinyl silazane photopolymerizing with ethanedithiol, Based on the results,the kenitics of reaction was studied and the convertion of both thiol and vinyl functional groups were investigated.

采用傅立叶变换红外光谱法跟踪巯基和乙烯基吸光度的变化，跟踪测定了光聚合反应过程中巯基和乙烯基的转化率，研究了乙二硫醇/乙烯基硅氮烷体系的光聚合反应动力学。

In order to check the corresponding compound at 31P NMR –45.4 ppm, stable pentacoordinate spirobicyclic 2-phenoxy-1,3-phenylene-dioxo-1,3,2-iminoacetoxyphosphoranes were synthesized through a new and efficient method whereby phosphorus pentachloride was displaced stepwise by catechol, N,O-bisamino acid and phenol, or catechol, phenol and N,O-bisamino acid, their 31P NMR chemical shifts are at about 31P NMR –45.0 ppm, the results showed that the compound 4 at 31P NMR –45.4 ppm was pentacoordinate phosphorane containing amino acid residue.

采用磷谱跟踪来研究上述成肽反应机理。例如在氮气保护下，0.1mmol O，O-亚苯基磷酰氯（1）和0.15mmol N，O-二苯丙氨酸（2）苯溶液加入0.6ml核磁管中，混合均匀，反应过程用磷谱检测。反应1分钟后，起始原料1(δp=19ppm)很快转变成N-磷酰苯丙氨酸的三甲基硅基酯（3）(δp=19.8ppm)，在8分钟内，3完全转变成苯丙氨酸磷烷4(δp =-45.4ppm)，同时出现环磷三酯（6）(δp=3.5ppm)。随着反应的进行，对应于化合物4的峰逐渐变小，而6逐渐变大。

Then peracetic acid was employed as oxidant to prepare POSS-epoxide and the epoxy value can be controlled by reaction temperature.

而后，又以过氧乙酸为氧化剂，制备了带有环氧基团的多面体低聚硅倍半氧烷分子，并可通过反应温度控制其环氧值。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失