聚丙烯

Four isozymes: esterase, peroxidase,α-amylase and superoxide dismutase extracted from buds of 16 radish (Raphanus sativus L.) accessions were studied with polyacrylamid gel electrophoresis.

采用聚丙烯酰胺凝胶电泳技术对16份萝卜种质花蕾的酯酶、过氧化物酶、α-淀粉酶和超氧化物歧化酶同工酶进行系统分析。

In this paper,the effect of APP and Deflam on the flame retardance,the mechanical properties of the prepared composite,and the crystallinity of PP were studied.

采用聚磷酸铵和Deflam分别对聚丙烯进行了填充改性，研究了两者对PP力学性能、阻燃性能、结晶性能的影响。

Methods The needle was inserted from a point on upper anterior axillary line into retromammary space,then PAM-HG was injected.

由腋前线上部一点进针至乳腺后间隙而注入聚丙烯酰胺水凝胶。

Shear-induced crystallization behavior of isotactic polypropylene was investigated using a rotational rheometry covering a shear rate range of 1.2×10-4～1 s-1 and temperatures between 135℃ and 145℃.

利用流变学方法研究了剪切诱导等规聚丙烯的等温结晶行为。

The melt elasticity of PP filled with CaCO3 of nano-particles or micron particles or their assembling was studied by capillary rheometry measuring the values of first normal stress difference (N1) and extrudate swell of the systems.

利用高压毛细管流变仪测量的第一法向应力差(N1)和挤出胀大比研究了纳米CaCO3和微米CaCO3分别填充和同时填充聚丙烯体系的熔体弹性。

objectiveto establish a peroxidase isoenzyme method for identification of rugosa rose varieties in shandong province.methodsthe polyacrylamide gel electrophoresis method was applied.

目的建立山东不同品种玫瑰花药材的过氧化物酶同工酶鉴别方法。方法聚丙烯酰胺凝胶电泳法。

This research concerns about the isozymes analysis of parasitic sarcocystis hirsuta from water buffalo and cattle by means of isoelectric focusing electrophoresis to explore the host specificity of sarcocystis species.

采用聚丙烯酰胺垂直平板梯度凝胶电泳的方法，对寄生于黄牛和水牛的毛状肉孢子虫进行同工酶比较研究，探讨肉孢子虫的宿主特异性。

The PAM and the Sesbania Gum were applied as gelling agent in the gel system of water-gel explosive and the effects of amount of gelling agent, amount of crosslinking agent, reaction-temperature and reaction time on the crosslinking time and thermal stability were researched.

并分别将产物聚丙烯胺和天然植物胶田菁胶作为胶凝剂，应用于水胶炸药凝胶体系中。研究了胶凝剂用量、交联剂用量、反应温度和反应时间对水胶炸药成胶时间和热稳定性的影响。

The PAM and the Sesbania Gum were applied as gelling agent in the gel system of water-gel explosive and the effects of amount of gelling agent, amount of crosslinking agent, reaction-temperature and reaction time on the crosslinking time and thermal stability were researched.

并分别将产物聚丙烯酰胺和天然植物胶田菁胶作为胶凝剂，应用于水胶炸药凝胶体系中。研究了胶凝剂用量、交联剂用量、反应温度和反应时间对水胶炸药成胶时间和热稳定性的影响。

A new type of flocculant named quaternary ammonium cationic sesbania gum was optimized from susbania gum series,and flocculation effects of QACSG and polyacrylamide for treating domestic wastewater were compared.

从田菁胶及其衍生物系列中优选出了一种新型高分子絮凝剂-季铵型阳离子田菁胶，并对QACSG和聚丙烯酰胺在处理生活污水中的絮凝效果作了系统比较。

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。