聚丙烯

Has many years of machining experience, specializing in the production of polypropylene PP, broken by the re-granulation cleaning materials processed from renewable sources, good quality, full-floating for Drawing production injection.

有多年的加工经验，专业生产聚丙烯PP，经破碎清洗再造粒加工而成再生料，质量好，全浮水，供注塑拉丝生产。

According to the analysis of SDS-PAGE, the bands of the graft subunits decreased and the glycosyl bands were seen more clearly with the degree of graft increasing.

聚丙烯凝胶电泳分析结果表明，随着接枝度的增加，接枝物的亚基谱带逐渐减少，糖基谱带变得明显。

Polypropylene fiber concrete has many unique engineering properties than normal concrete for tunnel lining in water conservancy engineering with high techno-economics effect and easy construction compared with hang net shotcrete .

聚丙烯纤维混凝土具有比普通挂网喷砼更独特的工程特性，用于替代传统的挂网喷砼对水工隧洞的衬护，具有施工简单方便，技术经济性能良好的优点。

Several physical and chemical properties, such as pH, refractive index,heavy metal content, infrared spectrum, heat stability and residual acrylamide, were determined for medical-use polyacrylamide hydrogel samples.

医用聚丙烯酰胺是以丙烯酰胺为原料合成的，具有广泛用途的水溶性高分子，PAM水凝胶主要用于人体软组织填充[1，2 ] ，也可用于医药软膏、药膜和药物载体。医用PAM水凝胶的主要理化性能包括外观、pH值、折射率、重金属含量、红外光谱、化学热稳定性和丙烯酰胺单体残留量。

Experiment 5: Species diversity of AMF community colonized in roots of herbages in limestone and purple soil The species diversity of arbuscular mycorrhizal fungi in roots of various herbages were studied in this paper. Seventeen common herbages were selected as host plants of AMF colonization in this research and they were grown in limestone soil and purple soil, respectively.

试验5：石灰土上草本植物根系内丛枝菌根真菌多样性特征利用聚丙烯酰胺凝胶电泳和银染显影技术，比较了生长于石灰土和紫色土上的草本植物根系内的丛枝菌根真菌(arbuscular mycorrhizal fungi，AMF)群落的物种多样性特征。

Hydrolysed polyacrylamide with a super-high molecular weight suitable for driving crude oil in reservoir is prepared by copolymerization of acrylamide and sodium acrylate.

本文采用丙烯酸钠与丙烯酰胺共聚合的工艺方法生产适用于油田驱油的具有超高相对分子质量的部分水解聚丙烯酰胺。

The kinetics of isothermal crystallization has been studied for Na+,Mn2+ and Ca2+ ionomers based on maleic anhydride graft polypropylene by DSC,compared with pure PP and PP g MAH.

采用DSC对马来酸酐接枝聚丙烯及其3种5个离聚物的等温结晶行为进行了研究，发现在相对结晶度2％～90％的范围内符合Avrami方程。

All ionomers had higher rate of nucleation, characterized by the higher values of Si, overall rate of crystallization, characterized by the higher values of (Tmax-T0), and narrower crystallite size distribution, characterized by the lower values of Δw, than those of pure PP and PP-g-MAH.

对于全部样品在所有的冷却速率下，Avrami指数n值均在2.5-2.8之间，说明聚丙烯结晶行为没有改变；但同时发现接枝及离子化后，成核速率加快，晶粒分布变窄，结晶总速率增大，与等温结晶动力学得到的结论一致。

Our company is a science, industry and trade as one economic entity, the main products are: chloride, polyacrylamide, basic aluminum chloride, iron chloride, quartz sand, activated carbon, anthracite filter media, Manganese sand, magnetite, pebbles and so on.

我公司是集科、工、贸为一体的经济实体，主要产品有：聚合氯化铝、聚丙烯酰胺、碱式氯化铝、聚合氯化铝铁、石英砂、活性炭、无烟煤滤料、锰砂、磁铁矿、卵石等。

It is called isotactic polypropylene.

是一种叫等规聚丙烯的材料。

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。