Ingredient: This product is a kind of carboxymethyl cellulose sodium salt ,which generated from the interaction between Absorbent cotton gauze in alkaline conditions and chloroacetic acid .

成份：本品為脫脂棉紗布在堿性條件下與氯乙酸作用生成的纖維羧甲基醚的鈉鹽。

Selecting chlorination of hydroxyl group in sucrose 6-acetate is a key in the process of making sucralose.

蔗糖-6-乙酸酯的選擇性氯化是合成三氯蔗糖的關(guān)鍵步驟婷婷综合五月天丁香激情。

Selecting chlorination of hydroxyl group in sucrose 6-acylates is a key in the process of making sucralose.

蔗糖-6-乙酸酯的選擇性氯化是合成三氯蔗糖的關(guān)鍵步驟jizz官网。

Results It has been shown that trichloroacetic acid was the better one as cross-link agent.

結(jié)果 三氯乙酸是較好的交聯(lián)劑。

The two indexes, degree of hydrolysis and 10% trichloroacetic acid-soluble nitrogen content, were used to compare the four kinds of proteolysis in naturally .

以蛋白水解度和10%三氯乙酸可溶性氮含量為指標(biāo)国产AV性网，比較四種蛋白酶在兩種工藝下水解的情況亚洲一级二级三级在线观看。

Trichloroacetic acid is a kind of short-stopper which can stop enzymatic reaction.

三氯乙酸是澳洲青蘋PPO酶促反應(yīng)有效的終止劑。

Urine samples were first precipitated with trichloroacetic acid, then centrifuged at 12000 r/min for 15 min at 4 ℃, and finally added with NaOH to neutralize the supernatant.

尿標(biāo)本經(jīng)三氯乙酸處理国产精品乡下勾搭70岁，在4 ℃下，以12000 r/min的速率離心15 min欧美综合日韩第五六，上清液用堿中和后白白免费视频观看首页，取30 μL直接進(jìn)樣。

Results showed that the optimum condition in carboxy methylation were: 15 percent sodium hydroxide , 20 % chloroacelic acid, alkalified 35℃, etherification 50℃, etherification time 120 min.

甜菜膳食纖維羧甲基化改性的最佳條件：15％氫氧化鈉免费看a毛片、20％一氯乙酸欧美一级高潮片老师、35℃堿化溫度、50℃醚化溫度欧美一级夜夜爽wWW、2.0h醚化時(shí)間婷婷久久综合爱桃花。

Low molecular N,O-carboxymethyl-chitosans with different degrees of substitution were synthesized under heterogeneous conditions by controlling the reaction temperature,the reaction time and the molar ratio of low molecular weight chitosan to chloroacetic acid.

采用不同反應(yīng)溫度、反應(yīng)時(shí)間和低分子量殼聚糖與氯乙酸摩爾比一级电影久久，在非均相反應(yīng)體系中合成了不同取代度的低分子量N最近更新中文字幕第一页，O-羧甲基殼聚糖。

Objective］ The research aimed to improve the comprehensive surface performance of lauryl polyoxyethylene ether (AEO3) by means of modification.［Method］ AEO3 was synthesized from lauryl alcohol and epoxy ethane, which reacted with liquid chloroacetic acid to produce modified AEC.

［目的］對月桂醇聚氧乙烯醚（AEO3）進(jìn)行改性來提高它的綜合表面性能［方法］用月桂醇熟妇的天堂av、環(huán)氧乙烷合成月桂醇聚氧乙烯醚（AEO3）国产性爱啪啪，再用AEO3與液體氯乙酸反應(yīng)改性合成AEC。