氟化的

Calcium fluoride content in calcium cyanamide charging is determined by a fluoride ion selective electrode method, and its conditions and applications are tested.

采用氟离子选择电极法测定氰氨化钙炉料中氟化钙的含量，进行了条件和应用试验。

After the diazotization, a mixture of 2,3,5-trichloropyridine and 3, 5- dichloropyridine-2-ketone was got as a result of Sandmeyer reaction.

收率达84.7%。接着，我们以制得的2，3，5-三氯吡啶为合成2，3-二氟-5-氯吡啶的原料，用NMP为溶剂，加入KF和CsF的混合氟化剂，高温下反应合成了2，3-二氟-5-氯吡啶。

The reaction of perfluoroalkyl bromide and a,w-perfluoralkylene dibromide in sulfinatodehalogenation system with olefins and the differences in behavior between perfluoroalkyl bromides and their corresponding iodides are reported.

本文报道溴代全氟烷和α，ω-二溴代全氟烷在亚磺化脱卤反应体系中与烯烃的反应及其与相应的碘代全氟烷的区别。

The calixarenes used as PTC in the fluorination of tetrachlorophthahaloyl chloride to obtain dimethyl tetrafluoroterephthalate were studied in this paper.

研究了杯芳烃在四氯对苯二甲酰氯氟化制备四氟对苯二甲酸二甲酯反应中的相转移催化作用，发现以杯芳烃作相转移催化剂使产品收率得到了明显提高。

It was found when ionic liquid BF_4 was chosen for the solvent and CsF for the fluorination reagent, the overall yield 96.6% could be gotten after 3 hours.

通过研究我们发现在离子液体BF_4中，采用CsF做氟化剂反应3小时七氟醚的产率可以达到96.6％。

The process of preparating potassium fluosilicate from the mother liquor of magnessium fluoride has been studied.

研究了以氟化镁母液为原料制取氟硅酸钾的工艺过程，通过试验获得了最佳工艺条件。

P28 紫色 Formation of a peptide bond 肽键形成–4侧链具有的反应–形成二硫键-其它反应 Tyr,His,Arg Review Isoelectric Point Titration滴定 of an amino acid 滴定 Gly幻灯片 18 His Lys Glu Reaction of amino acids Section 4 Protein isolation and purification 蛋白质分离及提纯 Working With Proteins Experimental techniques for protein analysis and characterization Purification steps A cell contains many types of proteins In the lab we want to isolate a single protein for experiments Purification steps We first grow cells or isolate tissues that contain the protein of interest We break open the cells to produce a crude extract Use centrifugation离心 to separate soluble from insoluble material We fractionate 分离 the protein mixture based on properties of such as size, charge affinity or solubility.

丹磺酰氯与氨基酸反应生成荧光性质强和稳定的磺胺衍生物，用于多肽链NH 用于多肽链 3末端氨基酸的标记烃基化反应(1) 2，4-二硝基氟苯2，4-dinitrofluorobenzene，二硝基氟苯(二硝基氟苯 DNFB也叫做试剂。DNFB在弱碱性溶液也叫做Sanger试剂试剂中与氨基酸发生取代反应，生成黄色化合物二硝基二硝基苯基氨基酸(dinitro phenyl amino acid， DNP氨基酸氨基酸)苯基氨基酸氨基酸(2)苯异硫氰酸酯(phenylisothiocyanate， PITC)在弱碱性条件下，与氨基酸反应在弱碱性条件下，生成苯乙内酰硫脲 PTH衍生物，(phenylthiohydantoin， PTH)衍生物，即PTH-氨基酸，此反应又称之Edman反应，该反应是蛋白质或多肽氨基酸序列测定常用的反应。

Group I was the control ,and other four groups ,groupⅡ,Ⅲ,Ⅳ,Ⅴ were fed the diets containing 500,1 000,1 500,2 000 mg/kg of fluorineass odium fluoride, respectively, for 150 days.

第1组为对照组，第2，3，4，5组在日粮中添加不同水平的氟化钠，使日粮中氟含量分别为500，1 000，1 500，2 000 mg/kg，实验期150 d。

For purification of nitrogen trifluoride(NF3) which is used as a plasma etchant and cleaning gas for chemical vapor deposition chambers, a few purification methods and equipments may be chosen according to difference in boiling points and physico-chemical properties of NF3 and its impurities.

三氟化氮作为等离子蚀刻剂和化学气相沉积室的清洗气体，可根据粗三氟化氮气体中各组分的沸点及物理、化学性质的差异选择不同的纯化工艺及设备。

The research on fluorinated polyurethane-acrylate emulsions were reviewed in this article,including the aspects of categories,structure characteristics,synthesis methods and properties.

介绍了目前国内外氟化聚氨酯-丙烯酸酯乳液的研究现状，综述了已见报道的氟化聚氨酯-丙烯酸酯乳液的种类、结构特点、合成工艺以及性能，并指出了国内相应领域研究的不足和今后研发的重点和方向。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。