二钠

Experiments are carried out to study the effects of several anions on the photocatalytic degradation rates of sodium dodecyl\ benzene sulphonate.

研究了存在于水环境中的若干重要阴离子对表面活性剂十二烷基苯磺酸钠光催化降解速率的影响。

Flowable polysilane polymers have been synthesized by sodium coupling of diorgano-dichlorosilanes with diphenylmethylchlorosilane in toluene.

采用具有不同有机取代基的二氯硅烷与甲基二苯基氯硅烷为原料，在甲苯中以金属钠共缩合的方法，合成了可流动的聚硅烷。

Ni-P-mCMC/mCS bipolar membrane was prepared from carboxymethyl cellulose modified with phosphorylated agent as a cation exchange layer and chitosan modified with glutaraldehyde as an anion exchange layer. The electrolysis cell was constituted by Ni-P-mCMC/mCS BPM as a septum for electrogenerating furfural alcohol and furoic acid.

以磷酸化试剂改性羧甲基纤维素钠制备了阳膜层，以戊二醛改性壳聚糖制备了阴膜层溶胶，将阴膜层溶胶流延于阳膜层上，制备了P-mCMC/mCS双极膜，而后以化学镀方法在阳膜层表面镀镍，制备了Ni-P-mCMC/mCS双极膜，并应用于成对电合成糠醇、糠酸。

The results showed that pectinase activity can retained up to 95.2% when prepared with 4.0% sodium alginate, 0.20 % glutaric acid, 0.10 mol/L CaCl2, 0.50 mL pectinase. The recovery activity of the immobilized pectinase was more than 76% after repeated 10 times.

结果表明，以4.0%的海藻酸钠为载体、0.20%的戊二醛为交联剂、0.10mol/L的CaCl2为凝聚剂、用酶量为0.50mL时所得的固定化果胶酶活力保存率可达95.2%，回收使用10次以后，酶的活力回收率为76.1%。

Results indicate that SDBS and glutin play a positive role in the forming of microcapsules.

结果表明，十二烷基苯磺酸钠和明胶均对微胶囊的形成有积极作用，SDBS所制备的微胶囊粒径更小。

The binding capacities of the water-soluble chitosan and its derivatives to taurocholate and glycocholate as bile salts were investigated in vitro.

修饰后的壳聚糖结合胆酸盐的能力增强，说明引入更多的胺基或铵基有利于对胆酸盐的结合，胺基上烷基与胆酸盐的甾环之间也应当产生疏水相互作用；同样我们在体外也研究了水溶性壳聚糖及其衍生物对硬脂酸钠和十二烷基硫酸钠的结合能力及其影响因素。

The sodium ions located in the 12-membered ring main channel (with Q〓〓0.2 MHz) of zeolite omega are fully hydrated and so mobile to average out the 〓H-〓Na dipolar interaction, while those in the gmelinite cage (Q〓=2.3 MHz) are less hydrated and closely bonded to the lattice oxygen.

3〓Na MAS及〓Na二维四极章动实验的研究表明，在NaΩ分子筛中存在两类不同水合状态的钠离子：一类处于12-圆环主孔道中(四极作用常数Qcc＝0.2MHz)，另一类处于菱钾沸石笼里(Qcc＝2.3MHz)。

Objective: To assess the effects of DMPS and penicillamine on treatment of hepatolenticular degeneration and provide evidence for clinical drug selection.

目的：对比分析青霉胺和二巯基丙磺酸钠治疗肝豆状核变性患者的驱铜效果及安全性，为临床更好地选择排铜药物提供参考依据。

Sodium Phosphate, Dibasic, Heptahydrate

磷酸钠，二盐基的，七水化物，试剂

The sodium bentonite was modified by organic reagent hexadecyl trimenthyl ammonium bromide and cationic polyacrylamide. The structures of modified organo-bentonite and the effect of concentration of the intercalating reagent and reacting time on decoloring capacity were studied.

用阳离子有机改性剂十六烷基三甲基溴化铵和阳离子聚丙烯酰胺复合插层改性钠基膨润土，分析了改性膨润土的结构，研究了改性剂质量浓度及二次改性时间对复合插层膨润土脱色效果的影响。

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。