二酸的

This article introduces manufacturing methods of taurine by means of sodium hydroxyethyl sulfonate ammonolysis acidification .

研究了羟乙基磺酸钠氨解酸化法生产牛磺酸的工艺，对其中的高压氨解反应过程采用二次回归正交设计实验方法进行了优化。

Trioxide antinomy can be dissolved in the solution of sodium hydroxide and glycerin to produce sodium antimonite containing glycerin.

甘油、木糖醇等低C多元醇，在有碱参与的条件下能与三氧化二锑很好地发生反应，生成甘油亚锑酸钠、木糖醇亚锑酸钠，溶液在一定的碱浓度下可保持稳定。

In this paper, the catalytical esterification of palmitic acid with 1 hexadecanol by lipase immobilized by microemulsion base organo gel that consisted of bis (2 ethylhexyl)sodium sulphsuccinate/heptane/water/gelatin in apolar organic solvent was studied.

研究了以AOT二(2 乙基已基琥珀酸酯磺酸钠/正庚烷/水/明胶组成的反相微乳凝胶固定化脂肪酶，在有机溶剂中催化棕榈酸和十六醇的酯化反应。

The results showed 3 types of aluminum compound prepared in this paper all had good poison protection effectiveness on such impurities as stannous chloride,lead oxide,sodium hydrogen sulfate,and so on.Moreover,the mechanism of the poison of catalyst was also discussed.

结果表明，合成的3种防中毒剂即防－1、防－2(主要成分为乙酰丙酮合铝)及防－3(主要成分为二乙酰丙酮基异丙氧基铝)对二月桂酸二丁基锡、氯化亚锡、二正丁胺、硫脲、氧化铅及硫酸氢钠等杂质均有较好的防中毒作用；不同防中毒剂对不同杂质的防中毒作用有一定的选择性。

A PVC/PNBR TPE was prepared based on PVC and powdered NBR using magnesium hydroxide as flame retardant,and the influence of the flame-retardant synergists,such as diantimony trioxide(Sb_2O_3),zinc borate,ammonium heptomolybdate,zinc oxide and manganese dioxide(MnO_2) on the properties of above TPE was investigated.

以PVC和粉末丁腈橡胶为主体材料，氢氧化镁为阻燃剂，制备PVC/PNBR共混型热塑性弹性体，研究阻燃协效剂三氧化二锑、硼酸锌、七钼酸铵、氧化锌和二氧化锰对弹性体性能的影响。

In the CsF promoted Strecker reactions of 2-aziridinesulfinimines, the sulfinyl group controlled the diastereoselective addition.

加成产物经氮杂环丙烷开环可合成所有构型的一系列α、β-二氨基酸和α、β-二氨基膦酸。

Kinetics of hydroxyl-terminated polybutadiene/ phenyl isocyanate, bonding agent (BA-5)/PI and antioxidant H/PI were studied in toluene/dimethyl sulphoxide solution. The rate constants and the activation parameters were calculated. The results show that the reactionary rate of these three active hydrogen components decreased in same condition.

分别对端羟基聚丁二烯/苯异氰酸酯，键合剂(BA-5)/PI和防老剂H（N，N'-二苯基对苯二胺）／PI在甲苯／二甲基亚砜混合溶液体系中进行了反应动力学研究，计算了相应体系的反应速率和活化能。

Companies to provide long-term grade of phosphate rock, phosphoric acid, sodium hexametaphosphate, sodium tripolyphosphate, sodium fluorosilicate, sodium fluoride, SnO, tin sodium, stannous chloride, chlorine dioxide tin, etc. more than twenty kinds of products.

公司长年提供各种品级的磷矿、磷酸、六偏磷酸钠，三聚磷酸钠，氟硅酸钠、氟化钠，氧化亚锡，锡酸钠、氯化亚锡、二氧化锡等二十余种产品。

Methanol and ethylene glycol poisoning; Methanol and ethylene glycol are both metabolised by alcohol dehydrogenase, the same enzyme that metabolises ethanol, to formic acid and oxalic acid, respectively.

甲醇和乙烯乙二醇中毒；甲醇和乙烯乙二醇二者经过乙醇脱氢酶——代谢乙醇的同一代谢分别形成蚁酸和草酸。

Methanol and ethylene glycol poison ing; Methanol and ethylene glycol are both metabolised by alcohol dehydrogenase, the same enzyme that metabolises ethanol, to formic acid and oxalic acid, respectively.

甲醇和乙烯乙二醇中毒；甲醇和乙烯乙二醇二者经过乙醇脱氢酶——代谢乙醇的同一代谢分别形成蚁酸和草酸。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。