二钠

Thereinto nano-SnO2 powder is admixed with surface negative ion active solvent dodecyl benzene sulfonic acid sodium salt to reach the purpose of surface modifying.

采用化学沉淀法制备的纳米SnO2粉体，通过表面包覆阴离子活性剂十二烷基苯磺酸钠来达到表面修饰的目的。

Desulfurize cell deoxidizes the sulfuric acid to its deoxidization form ,then fixs it on the protein for degradation SO2 of flue gas. And the activating energy of immobilized cell to degrade SO2 is 39.5 kJ/ mol.

用活性碳吸附海藻酸钠包埋已二胺交联制备固定化微生物不仅能保持微生物较高的活性，而且还具有高的机械强度、好的传质性和强的耐酸性。

By this system, substantial quantities of fungal materials, including hyphae and spores, can be obtained.

这反映出磷酸二氢钾和卵磷脂的有效性较高，植酸钠的有效性相对较低。

The results showed that the ultimately productive rate of formic acid reached 95.75% when the mol ratio of sodium formate and phosphoric acid was 1:1.30, the quantity of phosphorus pentoxide was 35.73 g, vapouring temperature was 115℃.

实验结果表明：在一定实验体系中，甲酸钠与磷酸摩尔比为1：1.03、五氧化二磷加入量为35.73 g、蒸馏温度为115℃时，甲酸最终浓度可达到95.75%。

Static adsorption experiments were carried out to investigate the adsorption of sodium dodecyl benzene sulfonate and cetyltrimethyl ammonium bromide on soils, and to analyze the effect of surfactants on sorption of diesel oil.

通过静态吸附实验，研究土壤对十二烷基苯磺酸钠和十六烷基三甲基溴化铵的吸附行为，探讨表面活性剂对柴油吸附的影响。

And the morphologies of lead tungstate crystal were different when different surfactants of polygycol 200 and cetyltrimethyl ammonium bromide were added in the experiments.

以钨酸钠和醋酸铅为原料，分别加以表面活性剂聚乙二醇200和十六烷基三甲苯溴化铵，用沉淀法合成出钨酸铅纳米晶和菱形微晶。

A neutral non-cyanide copper plating (rack plating and barrel plating) process was developed.

开发出钢铁基体上中性无氰镀铜工艺，其配方中的配位剂是需要经过多道工序合成的具有x结构的化合物，还含有醋酸铜和磷酸二氢钠。

Chemical raw materials: include a variety of plating materials and metal surface treatment agent: sodium such as tin, stannous chloride, pyrophosphate Asian tin, copper sulfate, nickel acetate, copper acetate, nickel fluoride, cobalt sulphate, acetic acid cobalt, hydrofluoric acid, anion exchange resin, cation exchange resin, scale inhibitors, cleaning agents, detergents,the phosphating agent, plate washer water, with the exception of Prince agents, rust removal agent, the American Iron and Steel room temperature blackening agent, on behalf of behalf of the black-white (open cylinder agents, supplements), and alloys such as gun color..

二。化工原料：包括各种电镀原料及金属表面处理剂：如锡酸钠、氯化亚锡、焦磷酸亚锡、硫酸铜、醋酸镍、醋酸铜、氟化镍、硫酸钴、醋酸钴、氢氟酸、阴离子交换树脂、阳离子交换树脂、阻垢剂、清灰剂、除垢剂、创辉的磷化剂、洗板水、除腊剂、除油除锈剂、美国的钢铁常温发黑剂、代白代黑、枪色黑合金等。

Comb-shaped copolymer of polycarboxylate containing carboxyl,sulfonic groups(-SO3M),polyethylene glycol(-OC2H4-) was synthesized by monomers of sodium 2-acrylamido-2-methylpropane sulphonate,acrylic acid,polyethylene glycol monoester acrylate under certain conditions.

本文通过2-丙烯酰胺-2甲基丙基磺酸钠与丙烯酸、聚乙二醇单丙烯酸酯在一定条件下发生聚合反应合成含有羧基、磺酸基(—SO3M)、聚氧乙烯链(—OC2H4—)等侧链的高性能减水剂PC。

The process formulas consist of a complexing agent with a structure ofx synthesized by several procedures, and copper acetate and sodium dihydrogen phosphate.

开发出钢铁基体上中性无氰镀铜工艺，其配方中的配位剂是需要经过多道工序合成的具有x结构的化合物，还含有醋酸铜和磷酸二氢钠。

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。