二钠

Reverse micelles system was formed by sulphosuccinic acid his (2-ethylhexyl) ester sodium salt isooctane and KCl buffer solution.

采用由AOT（琥珀酸二（2-乙基己基）酯磺酸钠）－异辛烷－KCl缓冲液组成的反胶束体系，联合酶解技术提取脱脂小麦胚芽蛋白。

A series of urea,thiourea and thiodiazole derivatives bearing mercaptotetrazole were synthesized using NaN_3 as a nitrogen source.

以叠氮化钠为氮源，合成了一系列含四唑环的芳基脲及噻二唑类化合物，其结构经1H NMR，IR和元素分析表征。

The chemical deposition method was applied to prepare bismuth sulfide through reaction of bismuth salt complexed by triethanolamine or EDTA with an aqueous solution containing a sulfur sourse such as thioacetamide, thiourea, sodium thiosulphate, geseous H2S.

化学淀积方法被提出申请准备硫化铋经过被和一个水溶液的三乙醇胺或乙二胺四醋酸合成物的铋盐反作用含有硫 sourse，像是硫代乙醯胺，硫，钠 thiosulphate ， geseous H2S 。

The structure layer turns from TOa type to TOaT type (balanced by interlamellar cations), then to TOaT type for kaolinite, illite and pyrophyllite, respectively; alumina to silica mass ratio turns from 0.86 to 0.42; the surface zeta potentials turn small, but they show little relation with their surface charge density.

通过红外光谱分析可知，十二胺和油酸钠在一水硬铝石、高岭石、伊利石和叶蜡石表面的吸附主要以静电力作用的物理吸附为主，与矿物的表面电性有关。

Firstly the mid-pruduct imidazoline was produced by reaction of naphthenic acid and diethylene triamine, then the corrosion inhibitor amphoteric imidazoline, which is soluble in water, was produced by reaction of imidazoline and sodium monochloroacetate in aqueous solution.

以高纯环烷酸与二乙烯三胺反应合成了中间体咪唑啉，再以去离子水为溶剂，用氯乙酸钠对该中间体进行两性化，制得了水溶性两性咪唑啉缓蚀剂。

Effect of dodecanol, triethanolamine, CMC-Na and PAM on foamability and foam stability of composite system were studied.

2考察了十二醇、三乙醇胺、羧甲基纤维素钠、聚丙烯酰胺对SDS/OB-2复合体系起泡性和稳泡性的影响。

In addition, we used a modified MTT 3-(4,5-dimethylthiazol-2-yl-2,5-diphenyltetrazolium bromide assay to examine cell proliferation by dissociating the cell/alginate constructs using trisodium citrate and trypsin/EDTA.

此外，我们用改良的MMT测定被枸橼酸钠－胰蛋白酶－乙二胺四乙酸分离细胞结构的细胞增殖情况。

The original defined adakitesare sodium igneous rocks, they are tonalite, trondhjemite or (plagioclase-rich) granodiorite in whole-rock chemistry; however, the K-rich "C-type" adakite defined by Chinese scholars are potassic igneous rocks, they are granite, quartz monzonite and (alkali feldspar-rich) granodiorite, etc.

最初定义的埃达克岩是钠质火成岩，其全岩化学成分相当于英云闪长岩、奥长花岗岩和花岗闪长岩；而富钾的&C型埃达克岩&全岩化学成分相当于花岗岩、石英二长岩和花岗闪长岩。

Nanocrystalline Cu films were prepared on an unetched glass substrate by an electroless plating technique with using Sodium Dodecyl Benzene Sulfonate as an additive in the bath.

利用化学镀铜工艺，以十二烷基苯磺酸钠作为镀液添加剂，在未经刻蚀的玻璃表面制备了纳米铜膜。

The toxic effects of single and complex pollutions of linear alkylbenzene sulfonates and Cu2+ on activities of superoxide dismutase and catalase in the liver of oriental weatherfish were studied in laboratory.

采用暴露试验法研究了十二烷基苯磺酸钠与Cu2+单一及复合污染对泥鳅肝脏超氧化物歧化酶、过氧化氢酶活性的影响。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。