聚丙烯

The results indicated that the absorbent cotton and bamboo had a lower initial temperature than polypropylene when pyrolyzed.

与纤维素类的脱脂棉和竹子相比，聚丙烯的分解反应起始温度明显较高。

Sorbitol acetal s is the most one kind of the nucleating agents for polypropylene crystallization.

山梨醇缩醛是最重要的聚丙烯成核剂之一。

And the Nanjing South cooperation in the development of the company in addition to the polypropylene acid mist cotton products.

与南京南化公司合作开发的聚丙烯除酸雾棉产品。

The activation energy of pyrolysis reaction decreases with the increase of catalyst polypropylene ratio from 0 to 30%.

当剂塑比从0增加到30％时，聚丙烯裂解的活化能呈现降低的趋势，特别当剂塑比为30％时，其活化能降低约50％。

And nearly 50 percent reduction of activation energy ,has obtained with the catalyst polypropylene ratio of 30%.

说明粉煤灰和电石渣对聚丙烯裂解具有一定的催化效果。

Actomyosin were purified from human heart, and further isolated into CMLC with urea degradation and ammonium sulfate precipitation, CMLCⅠ and CMLCⅡ were purified later from this CMLC by the improved PAGE method, both CMLCⅠ and CMLCⅡ were without any protein contamination.

从人心肌提取肌动球蛋白，用尿素降解法和硫酸铵沉淀法从肌动球蛋白中分离、纯化CMLC，应用改进的聚丙烯酰胺凝胶电泳法从总CMLC中分离CMLCⅠ和CMLC Ⅱ，二者均不含有任何杂蛋白。

PP ; degradation ; additive ; process temperature ; molecular weight

聚丙烯；降解；添加剂；加工温度；分子量

Polymer aluminum chloride and polyacrylamide are used to treat the wastewater produced in Chongqing Gas Field .

在重庆气矿气田水处理中加入了聚合氯化铝和聚丙烯酰胺，其应结果表明，这两种絮凝剂配合使用的效果较好，能达到石油企业废水回注指标(pH值为6～9，SS小于30mg/L，石油类物质少于10mg/L)。

The structures of PAM and its hydrolysate were characterizated with FTIR and ~(1)H NMR.

研究了二醛交联的聚丙烯酰胺及其水解产物对水、肥的吸收及保持能力，结果表明，聚丙烯酰胺水解交联后，部分胺基转化为羧基和羟基。

PP-90M1 could be described as a more modern rival to the "Bizon" PP-19 submachine gun, made in Izhevsk.

聚丙烯- 90M1可以说是一个更现代的竞争对手来&比宗&聚丙烯- 19冲锋枪，在伊热夫斯克作出。

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。