钠

Using trimeric surfactant C_(14-2-14-2-14) as templating agent, the low cost and facile inorganic species sodium aluminate and sodium silicate as inorganic precursors, highly ordered 2D hexagonal aluminosilicate MCM-41 with high Al content were successfully synthesized.

利用廉价易得的硅酸钠和偏铝酸钠作为无机前驱体，以低聚季铵盐表面活性剂C_(14-2-14-2-14)为模板剂合成了高铝含量，高有序性的二维六方结构介孔硅铝酸盐材料，并对材料的结构、表面性质、形貌以及酸性进行了研究。

In this paper sodium silicate manganese dioxide absolute ethyl alcohol triethanolamine trimeric sodium phosphate polysodium phosphate sodium hexametahposphatesodium hexametahposphate + ammonia water are chosen to be grinding aid to increase the efficiency of milling.

文章选用 Na2SiO3、 MnO2、无水乙醇、三乙醇胺、三聚磷酸钠、多聚磷酸钠、A+B、红土（含少量稀土元素，产自内蒙古）+三乙醇胺作为助磨剂对钢渣进行粉磨。

In the daily chemical industry, sodium citrate is a good chemical agent that may replace trimerous polyamide sodium phosphate which produces public pollution, widely used for formatting various kinds of no pollution detergent.

在日化工业上，柠檬酸钠是替代产生公害的三聚磷酸钠的好的化学试剂，广泛用于合成各种无公害的洗涤剂。

The invention makes clay brick powders as main materials, and is compounded from such chemical industry materials as acrylic acid emulsion, sodium hexametaphosphate, sodium benzoate, glycol, trimethylene glycol, polydimethyl siloxanes, methylcellulose and titanium oxide powder as per certain proportion.

本发明以粘土砖粉为主要原料，和丙烯酸乳液、六偏磷酸钠、苯甲酸钠、乙二醇、丙二醇、聚二甲基硅氧烷、甲基纤维素、钛白粉等化工原料按一定配比组合而成。

In this paper, the preparations, analytical methods, physical characteristics of ferrates and the application of ferrates in the fields of synthesis of organic compounds, treatment of waste water and the usage as cathode material in alkaline batteries are summarized. The electrochemical preparation of sodium ferrate is described and the relationships between the main parameters in the process are deeply investigated. One method of in-situ electrosynthesizing potassium ferrate of high purity with both high efficiency and low energy consumption is invented. The cyclic voltammogram and feature characterization of iron anode in alkaline solutions is studied. One preparation method of ex-situ electrosynthesizing tripotassium sodium ferrate of high purity is created.

本文概述了高铁化合物的制备方法、分析方法、物理化学性质及其在氧化合成有机物、水处理和用作碱性电池正极材料等领域的应用；深入系统地研究了高铁酸钠的电化学制备及其影响参数之间的关系；研发了一种高效率低能耗直接电合成高纯度高铁酸钾的工艺方法；探讨了铁电极在浓的苛性碱溶液中的循环伏安特征及其极化特征；研发了一种电化学制备高铁酸三钾钠的工艺方法并用多种现代分析测试技术对K_3Na(FeO_4，)_2进行了表征。

An ODS column was selected as the separation column at 25 ℃, and pH 4.50, 0.02 mol/L of trisodium citrate-0.05 mol/L sodium phosphate dibasic to methanol (95:5, volume ratio) without ion-pair at a flow rate of 1.0 mL/min.

该实验采用ODS柱，流动相为V(0.02 mol/L柠檬酸三钠-0.05 mol/L磷酸氢二钠)：V=95：5的溶液，用电化学检测器检测。

Results indicate that effect of a dip and pile method is better than that of paint and pile method and activities of protease JW-2 and effect of enzymatic unhairing are accelerated by sodium silicates. Further more, complete dehairing effect is obtained by 1% sodium silicate and 4% enzyme JW-2 and grain shows smooth and clear.

结果表明：浸酶堆置脱毛方式的效果优于涂酶堆置脱毛；硅酸钠对JW-2蛋白酶的活力及浸酶堆置酶脱毛的效果有一定的促进作用；当硅酸钠和酶的用量分别为1%和4%时，可产生完全脱毛效果，且脱毛后裸皮的粒面光滑、白净。

Bisulfite modification: A total of 1μg of genomic DNA, obtained from culture cells or tissues, was modified by sodium bisulfite to convert unmethylated cytosines to uracils.

2亚硫酸氢钠修饰取1μg上述DNA经亚硫酸氢钠处理，将非甲基化的胞嘧啶转变为尿嘧啶，而甲基化的胞嘧啶保持不变。

The interference due to variably concentration of sodium, and using of internal standard element yttrium compensate for it were investigated. It was found that the combination of robust conditions, i.e.

试验研究了不同浓度钠基体对分析谱线产生的干扰和用钇作为内标元素来补偿钠基体的干扰。

Trial natriuretic peptide and B-type natriuretic peptide are secreted by the heart and play important roles in the compensation of congestive heart failure with their vasodilating, natriuretic, antiproliferative, lusitropic and neurohumoral-modulating properties.

NP和B-型利钠肽都是被心脏分泌的，在充血型心衰的血管扩张性，钠尿水平，抗增生性，lusitropic，和神经体液调节的代偿方面起重要作用。

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。