亚磷酸

The result showed that the thermal decomposition temperature of chlorinated paraffin reached 133℃ by adding 0.3% composite stabilizer in which the weight percentages of ethylene glycol diglycidyl ether, methyl stannic, triphenyl phosphate, exoxidized soybean oil were 72%, 3%, 10%, 15%, respectively. It is 15℃ more than that of using pure ethylene glycol diglycidyl ether.

结果表明：当复合稳定剂中乙二醇二缩水甘油醚、甲基锡、亚磷酸三苯酯、环氧大豆油的质量分数分别为72%，3%，10%，15%，复合稳定剂的添加量为氯化石蜡的0.3%时，氯化石蜡的热分解温度为133℃，比单独使用乙二醇二缩水甘油醚提高了15℃，热稳定效果较好。

The composite stabilizer of chlorinated paraffin was made from ethylene glycol diglycidyl ether, methyl stannic, triphenyl phosphate, exoxidized soybean oil. The influences of components in the composite stabilizer for thermal stability of chlorinated paraffin were investigated.

以乙二醇二缩水甘油醚和甲基锡为主稳定剂、亚磷酸三苯酯和环氧大豆油为助稳定剂制备了氯化石蜡复合稳定剂，研究了各组分配比对氯化石蜡热稳定性的影响。

Twelve new Schiff bases of 5-amino-1H-1,2,3,4-tetrazolyl were synthesized. These Schiff bases were further converted into α-(5- tetrazolyl)-aminoalkyl phosphonates.

合成了12个新的5—氨基—1H—1，2，3，4—四唑的Schiff碱，而后与亚磷酸二乙酯反应，合成出了12个新的含四唑基的α-氨基烃基膦酸酯，通过IR，^1H NMR，^31P NMR和元素分析证实了它们的结构。

Methods Triethyl phosphite and ethyl chloroacetate were used as starting materials to synthesize pregabalin by Arbuzov reaction, Wittig-Horner reaction, Michael addition, reduction and resolution.

以亚磷酸三乙酯和氯乙酸乙酯为起始原料，经Arbuzov反应、Wittig-Horner反应、Michael加成、还原、拆分5步反应得到普瑞巴林。

A phosphorus-containing triazine oligomer was synthesized from triethyl phosphite, cyanuric chloride ,pentaerythritol and morpholine through three steps.

以亚磷酸三乙酯、三聚氰氯、季戊四醇和吗啉为原料，经3步反应合成了含磷三嗪环低聚物，考察了反应条件对中间体及产物收率的影响，对中间体及产物的结构和热性能进行了表征。

The reaction of isomerized butadieneiron complex (I; R = Ph, p-tolyl) with triphenylphosphine and tri-Ph phosphite gave products II (same R; R1 = Ph, OPh), at -60 to -30? When I was reacted with triphenylphosphine in hexane at 60 to 70?

丁二烯二羰基铁配合物的异构化产物，C4H62FeC(OC2H5)Ar(1，Ar=苯基， 2， Ar=对甲苯基)，在己烷溶液中于-60到-40℃与三苯膦或亚磷酸三苯酯反应生产产物3-6。

The effects of various antioxidants on the discoloring behavior and the mechanical properties of the PA6 specimens during the course of thermal-oxidative aging were systematically studied.

研究结果表明：使用胺类抗氧剂能明显地改善PA6的抗热氧老化变色性能，还能使其保持较高的热稳定性能和力学性能，并大大延长PA6的静态使用寿命；用酚类抗氧剂/亚磷酸酯抗氧剂组成（1：1）的稳定体系能对改善PA6的耐热氧老化性能产生协同效应。

This thesis reported the synthesis of N-alkyl phosphonic acids and their complexes by using the reaction of methyl aldehyde, amine and phosphorus acid. The probable structure of the complexes were identified by IR and ESR.

本文介绍了以甲醛和胺、亚磷酸合成N—烃基膦酸后，再合成相应的Cu、Zn络合物，并用IR、原子吸收、ESR对络合物进行了表征，推测了络合物的可能结构。

No.1: Iron oxide pigment ,Organic/ Inorganic pigments , Milori Blue, Silica Flatting agent, Pearl Pigment, Fluorescent Pigment ,Ceramic Pigments, luminous pigment , Dyestuff, Phosphorous acid ,Zirconium series ,Fluorescent Brightening Agent ,Thiourea Dioxide ,Intermediate, Other Chemical products.

化工出口部：氧化铁颜料、有机颜料、无机颜料、消光粉、珠光颜料、萤光颜料、陶瓷颜料、夜光颜料、染料、亚磷酸、锆产品系列、荧光增白剂、二氧化硫脲、中间体、其他化工类产品。

The results ofthe addition of lithium phosphine showed the operation of a double stereo-differentiation effect and the chirality of the sulfinyl group dominated the asymmetricinduction.

在亚磷酸锂盐的加成反应中，这两个手性基团起双重诱导作用，其中亚磺酰基的手性中心起主导作用。

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。