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Based on literature procedures, a dithiol tridentate ligand containing amino groupand its iron carbonyl complex (4) are synthesised and characterised. An attempt isalso made to protonate this complex.

在文献方法的基础上也合成了含有氨基的二硫醇三齿配体及其铁羰基化合物[Fe_2(SCH_2)_2C(CH_2NH_2)_5](4)的合成与表征,尝试了合成该化合物的质子化产物。

The effect of degradation of Methyltin mercaptide production wastewater after disposed by UV/O3 is studied.

进行了UV/O3工艺对硫醇甲基锡生产废水中有机物降解效果的研究。

Our factory possesses advanced production equipment, rich production experience, strong technical force, products are mainly for the ss-218 methyl tin mercaptide heat stabilizer, MBS-enhancer, ACR processing aid, such as plastic.

我厂拥有先进的生产设备,丰富的生产经验,雄厚的技术力量,产品主要为 ss-218甲基硫醇锡热稳定剂、MBS-增强剂、ACR塑料加工助剂等。

By the method of decreasing the concentration of the sample solution and adding NaOH , both matation of pH of sodium methyl mercaptide and NaOH may be differentiated.

采用降低样品溶液浓度和添加NaOH的方法,区分了甲硫醇钠和NaOH的两个滴定突跃,分析结果令人满意。

It has been discovered that the carboxylic ester rare earth salt is equivalent to the organotin mercaptide stabilizer in thermal Processing stabilisation of PVC by the statically and dynamically thermal methods.

用静态热稳定和动态热稳定方法比较了羧酸酯稀土与有机硫醇锡对PVC加工热稳定作用,发现它们的稳定效果相当。

All results show it is compeletely possible to replace the organotin mercaptide by the carboxylic ester rare earth salt as a stabilizer for rigit transparent products.

所有研究结果表明,羧酸酯稀土完全有可能替代有机硫醇锡作为PVC的稳定剂用于硬质透明PVC制品。

Rheological behaviours have been investigated by means of Haake torque rheometer and AG-10TA universal testing machine. It has been showed that the melt viscosity of PVC/carboxylic ester rare earth salt compound is some greater than that of PVC/organotin mercaptide compound, which can not bring unfavourable consequences at the processing level.

用HAAKE转矩流变仪,AG-10TA万能材料试验机的流变装置对两种稳定剂与PVC的复合物的流变性能进行比较,发现羧酸酯稀土与PVC复合物的熔体粘度在相同实验条件下比有机硫醇锡与PVC复合物的熔体粘度略大,但不会带来加工上的困难。

When the antimony tri amount reaches 1.5 shares, it will show the optimal stabilizing effect. It also has synergistic effect with calcium stearate and barium mercaptide, when it was mixed with barium mecaptide with 3:1 ratio, the long-term stability of PVC could be raised remarkably.

热老化研究表明,当合成产物添加量达1.5份(PVC质量为100份)时,PVC树脂的热稳定时间为18 min(200℃),当其与硫醇钡以质量比3:1复配时,可显著提高PVC制品的长期热稳定性。

Taking into account the fact that there is synergistic combination of the mixture stabilizer of the carboxylic ester rare earth salt and organotin mercaptide in thermal stabilization of PVC, we consider it more practial to replace partically the organotin mercaptide by the carboxylic ester rare earth salt.

特别是部分替代有机硫醇锡可发挥它们之间的协同效应,更具有实用性。

Methyl Tin Mercaptide, Spherical Tin-Lead Powder Solder, BGA,Lead-free Tin-based solder

项目名称:硫醇甲基锡,球型锡铅焊料粉,BGA,无铅锡基焊料

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The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作:对伸臂位于顶部的单层框架—筒体模型进行分析,提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。

Its advantage is that it can be used in smaller units.

其优点在于可以在较小的单位中应用。