硫酸盐

The disadvantages of conventional soaps can be avoided by replacing the carboxylic acid group with a sulfate.

可通过将肥皂的羧基用硫酸盐代替来改变传统肥皂的缺点。

The inactivation of chironomid larvae in water supply systems was experimented with environment degradable vitamin K3,its main component 2-methyl-1,4-naphthoquinone,and their congener menadione triamintriazine bisulphite.

采用易被环境分解的维生素K3、其基本成分β-甲基萘醌和同系物三氨基三嗪甲萘醌亚硫酸盐，对在给水系统中出现的4龄摇蚊幼虫进行了杀生实验。

However, it often is necessary to use small chlorinator pumps or special filters with oxidizing media in front of the mechanical filters to oxidize the iron or sulfite quickly.

但是，往往需要使用氧化在机械过滤器前媒体氧化亚硫酸盐的快速铁或小加氯泵或特殊的过滤器。

Our chief products include as follows: 5-Nitro-8-hydroxy Quinoline, 8-Aminoquinaldine, 8-Hydroxyquinoline Sulfate, 5,7-Dichloro-8-hydroxyquinaldine, 5-Nitro-0-cresol, 6-Nitro-m-cresol, 2'-Chloroacetophenone, 4-Methyl-5-thiazole ethanol, 4-Aminophenethyl alsohol.

主要产品有：硝羟喹啉，8-氨基喹啉，8-羟基喹啉硫酸盐，8-羟基喹哪啶，5，7-二氯-8-羟基喹哪啶，5-硝基邻甲酚，6-硝基间甲酚，邻氯笨乙酮，4-氨基笨乙醇，4-甲基-5-噻唑乙醇，3-羟基吡啶等。

The content of sulphate reducing bacteriaof the 35 sediment samples was determined by using MPN technique in the survey areas of Bering Sea and Chukchi Sea.

用 MPN法测定了取自白令海和楚科奇海 35个沉积物样品中的硫酸盐还原菌含量。

The method depends on the formation of a sulfite addition product which is hydrolyzed to yield the pure citral.

该方法取决于亚硫酸盐加成物的形成，然后将其水解以产生纯的柠檬醛。

With theory of fuzzy mathematics, established the model of vague colligate estimate.

应用模糊数学原理，建立了模糊综合评价模型，并结合国家水质质量标准，通过对108个水样综合评价，划分了研究区水质级别，评价了研究区的地下水污染程度，得出了研究区地下水水质较差和硫酸盐为主要污染物的结论。

Objective: To know content of sulfur dioxide and Confect product of dried lily and apricot meat to give reasonable suggestions.

目的：对送检的百合干、杏肉等蜜饯制品进行亚硫酸盐检测，以了解其二氧化硫含量，并提出合理建议。

And sulfates are known to corrode metals.

已知硫酸和硫酸盐能腐蚀金属。

A process for preparing cycloolefin features that in the presence of catalyst slurry containing metal Ru catalyst, water and metallic sulfate, the mononuclear aromatics is partially hydrogenated by hydrogen, and includes a step to control the activity of catalyst.

一种生产环烯烃的方法，该方法是在含有金属钌催化剂、水和金属硫酸盐的催化剂浆液存在下用氢部分加氢单环芳烃进行该方法，其中包括控制催化剂活性的步骤。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。