查询词典 polypropylene

Colorimetry for POD activity and polypropylene amic gel electrophoresis for isoenzyme were used.

采用比色法测POD酶活，用聚丙烯酰胺凝胶电泳进行POD同工酶的比较。

Polypropylene fiber can much increase the crack resistance, leakage resistance, concussion and wearing resistance, freeze proof ability and antidetonating ability of mortar/concrete, also can improve workability of concrete.

聚丙烯短纤维能很好地提高砂浆/混凝土的抗裂性、抗渗性、抗冲磨性、抗冻能力、抗爆能力及改善混凝土的和易性。

The processes of preparing compounding assessory ingredient, producing special material and machining for polypropylene sheet were presented.

聚丙烯因具有质轻、价格低廉、耐化学药品性和耐热性好等优点而得到广泛应用。

Propylene polymerization with cat246 and cat24 was carried out, and atactic polypropylene was obtained.

以cat246和cat24为催化剂，催化丙烯聚合，得到了无规产物。

The multi monomer of methyl methacrylate/styrene melt grafting onto atactic polypropylene was studied.

对多单体甲基丙烯酸甲酯和苯乙烯熔融接枝无规聚丙烯进行了研究。

The products were characterized by 13C NMR, DSC and tensile strength measurement. The high molecular weight atactic polypropylene had a good elasticity.

用13C NMR、DSC、拉伸实验对产物进行了表征，结果表明所得产物为高分子量的无规聚丙烯，具有良好的弹性。

The organic-nano rare earth light conversion agent with benzenoid and carboxyl structure was synthesized. The polypropylene fluorescent fiber with the ONRELCA was prepared.

合成了含有苯环和羧基的有机稀土纳米发光体，并通过熔融纺丝制备出了聚丙烯荧光纤维。

Di(3,4-dimethyl)benzylidene xylitol as synthesized in the lab from 3,4-dimethyl benzaldehyde and xylitol, and a series of polypropylene samples were prepared based on the amount of the nucleating agent, DMDBX used.

以3，4-二甲基苯甲醛和木糖醇为原料合成1，3-2，4-二（3，4-二甲基）亚苄基木糖醇，将DMDBX作为成核剂使用溶液沉淀法制备DMDBX质量分数分别为0、0.1%、0.3%、0.5%、0.7%、0.9%的聚丙烯样品，采用红外光谱仪、差示扫描量热仪、X射线衍射仪和偏光显微镜等方法，研究了DMDBX对PP结晶结构和结晶性能的影响。

Biaxially oriented means that the polypropylene film is stretched in both the machine direction and across machine direction.

双向拉伸聚丙烯薄膜是在这两个机器方向和跨机器方向拉伸手段。

In this thesis, the structural heterogeneity of several novel polyolefin resins, including biaxially oriented polypropylene and propylene-ethylene random copolymer, was investigated.

本论文工作从聚合物链结构的多重非均匀性出发，研究了几种新型聚烯烃材料，包括用作双向拉伸薄膜的等规聚丙烯树脂和用作热水管材的无规共聚聚丙烯树脂的链结构。

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。