使氯化

And reacting the phosphorous pentafluoride with the lithium chloride in a hydrogen fluoride to prepare the lithium hexafluoro phosphate.

b使氟化磷与氯化锂在氟化氢中发生反应，制备六氟磷酸锂。

A process for preparing the olefine sulfide includes addition reaction between sulfur monochloride and C3-C12 olefine under existance of low-carbon alcohol as catalyst to obtain addition compound, mixing it with C1-C15 haloalkane, sulfide of alkali metal, sulfur powder, and aqueous solution of emtrol, sulfurizing, dechlorinating, and refining.

一种硫化烯烃的制备方法，包括：(1)使一氯化硫和C 3 ～C 12 烯烃在低碳醇催化剂的存在下进行加合反应，生成加合物；(2)将(1)步的加合物与C 1 ～C 15 卤代烷、碱金属硫化物、硫磺粉、脂肪醇水溶液混合，进行硫化脱氯反应后，精制处理，得到硫化烯烃产品。

Analysis of K and Na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove SiO2 ,adjusting the ratio of K and Na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference.

摘要本方法用于测定霞石中的钾、钠，主要通过在溶样时加入氢氟酸除去二氧化矽，调整溶液中钾、钠的含量，消除互相之间的干扰，加入氯化铯消除电离因素的干扰，提高了分析结果的准确性和重现性，使测定结果更接近化学分析值。

Analysis f K and Na in nepheline were curried out with higher precision and repeatability by means of adding fluohydric acid during sample melting to remove SiO2, adjusting the ratio of K and Na in the solution to reduce the mutual interference of the two elements, and adding cesium chloride to eliminate ionization interference.

摘要本方法用于测定霞石中的钾、钠，主要通过在溶样时加入氢氟酸除去二氧化矽，调整溶液中钾、钠的含量，消除互相之间的干扰，加入氯化铯消除电离因素的干扰，提高了分析结果的准确性和重现性，使测定结果更接近化学分析值。

Flushes is cool when should take down the jewelry, meets 碱 a kind of product by against jewelry, after specially contains the chlorine bleaching agent and the silver contact, can have the chlorination to respond, causes the silver personal ornament rapid nigrescence.

冲凉时应取下首饰，以防首饰遇到碱类产品，特别是含氯的漂白剂和银接触后，会起氯化反应，使银饰迅速变黑。

With trimethyl,4-dodecylbenezyl ammonium chloride and 18-crown-6 as pase-transfer catalysts, the azidation of polyepichlorohydrin in poly and H2O were studied. The reaction discipline and mechanism were discussed. The results show that the system with trimethyl, 4-dodecylbenezyl ammonium chloride as phase transfer catalyst and PEG as medium is a safe and effective approach to glycidyl azide polymer preparation, and azidational ratio of PECH can reach 97% above within 15 h.

研究了氯化十二烷基苄基三甲基铵和18-冠－6为相转移催化剂时端羟基聚环氧氯丙烷在聚环氧乙烷和水为介质中的叠氮化反应，探讨了反应规律和反应机理，结果表明：以PECH为介质，十二烷基苄基三甲基氯化铵(TMDA-1)为相转移催化剂的反应体系，可在15h内使PECH叠氮化转化率达到97%以上，无主链断裂等副反应，是一条较为安全快速的制备叠氮粘合剂的方法。

The described tackifier is applicable to perchloride raw rubber based on fragment form and non-halide or low-halide raw rubber, and can make most of allyl group implement bromation reaction in priority.

所述增粘剂基于碎片形式的高氯化生橡胶和非卤化或低卤化的生橡胶，并优选使大部分的烯丙基进行溴化反应。

Reaction mechanisms involved in the influence of algogenic organic matter on flocculation Z Wasser-Abwasser-Forsch, 1985,18:18—30

另外，有报道［6］说预氯化使水中亲水中性有机物增加，这部分有机物不易在后续工艺中去除。

This paper deals with making stop bleeding sponge with dried small shrimps. Firstly breaking away with inorganic salt and proteir in the dried small shrimps with acid and NaOH, secondly, taking off vinyl-in the chitin with 50% NaOH, temperature is 110 ℃. the last, reacting with chitosamine and PVA-124 make stop bleeding sponge were produced, catalyst is PdCl 2. The sponge film and sparkce is setatisfaction.

用虾壳经除盐，去蛋白处理后，用50％的NaOH溶液在110℃的温度下脱乙酰基制备壳聚糖；以1∶9的稀醋酸溶作溶剂，氯化钯作催化剂，甲苯二异氰酸酯作发泡剂、交联剂，使壳聚糖与PVA－124进行交联成膜，发泡用氨水洗成中性后在80℃的红外灯烘箱下烘干，制得止血海棉

The process comprises the subsequent steps a through e: a reacting phthalic anhydride with fluorobenzene or a derivative thereof in appropriate reaction conditions; b over reducing the product obtained in step a at the ketone moiety; c reducing the product obtained in step b with sodium dihydro-bis (2- 15 methoxyethoxy) aluminate to the corresponding alcohol ; d chlorinat ing the alcohol obtained in step c ; e inserting CO into the product obtained in step d through an appropriate Pd-containing catalytic system.

该方法包括以下步骤a～e：a使邻苯二甲酸酐与氟苯或者其衍生物在适当的反应条件中反应；b完全还原步骤a中获得的产品的酮部分；c用二氢-二(2-甲氧基乙氧基)铝酸钠将步骤b中获得的产品还原成相应的醇；d对步骤c中获得的醇进行氯化；e通过适当的含Pd的催化剂体系，将CO插入到步骤d中获得的产品中。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。