聚丙烯

(Times New Roman小四号,加粗,顶格)Using the vertical polyacrylamide gel electophoresis, the differentiation of peroxide, catalase and esterase isoenzyme from roots, caudexes and leaves of three wild buckwheat were analyzed.

(宋体小四号，加粗，顶格)采用垂直板聚丙烯酰胺凝胶电泳对三份野生荞麦根，茎和叶的过氧化物酶，过氧化氢酶和酯酶的同工酶进行了酶谱分析。

At present the consumption of our country paper and chipboard already amounted to 30 million tons, and the crop of current home polypropylene is less than 2 million tons, the price every tons 7000 multivariate, and use is very much, insufficient still should rely on an entrance to solve.

目前我国纸和纸板的消费量已达3000万吨，而当前国内聚丙烯的产量不到200万吨，价格每吨7000多元，且用途甚多，不足之数仍要靠进口来解决。

Through comparing exon sequences at both ends of introns of CHD genes of jungle fowls and cygnets, exons on two ends thereof are respectively designed with an upstream primer and a downstream primer: Psf: 5'CAAGGATGAGAAACTGTGCAA3'; and Psr: 5'GAATATCTTCTGCTCCTACTG3'; and the Psf/Psr primers are used for amplifying the CHD genes on Z and W chromosomes of meat pigeon feather pulp genome DNA, and finally the sex is identified according to the band type through 10 percent polyacrylamide gel electrophoresis and silver staining, wherein, female shows two bands and male shows one band.

通过原鸡和小天鹅CHD基因内含子两端的外显子序列比对，在两端外显子上分别设计上下游引物：Psf：5'CAAGGATGAGAAACTGTGCAA3'；Psr：5'GAATATCTTCTGCTCCTACTG3'；再以Psf/Psr引物扩增肉鸽羽髓基因组DNA的Z和W染色体上的CHD基因，最后经过10％聚丙烯酰胺凝胶电泳、银染，根据带型判断性别，其中雌性为两条带，雄性为一条带。

The nuclear magnetic resonance imaging has been used in this work to study the deuterated solvent swollen coal, the cross-linked polyacrylamide hydrogel due to γ-ray irradiation and polystyrene in its θsolvent.

用核磁共振成象方法研究了溶剂中的溶胀煤、γ辐射交联聚丙烯酰胺水凝胶和θ溶剂中的聚苯乙烯。

The synthesis of tetracosene by dimerizing tetrapropylene with waterless AlCl 3 and a complexant as catalyst was studied.

报道了一种以无水AlCl3 和络合剂制备的络合物催化剂，用于四聚丙烯二聚合成二十四碳烯，它与无水AlCl3 单独作催化剂相比，催化剂活性大大提高。

The surface potential build-up with constant current corona charging for polypropyrene electrets was investigated.

本文讨论了聚丙烯驻极体恒流电晕充电期间电荷的建立。

The influence of charging parameters (such as charging voltage, charging time and charging temperature, etc.) on piezoelectricity and its thermal stability of cellular polypropylene film electrets was studied by means of contact charging and constant voltage corona charging methods and the thermal stimulated discharge technique.

通过接触法充电、恒压电晕充电，以及开路热刺激放电技术，对充电参数(例如充电电压，充电时间和充电温度等)对聚丙烯蜂窝膜驻极体的压电性及其热稳定性的影响的研究，并从孔洞型薄膜压电体的材料结构和理论模型出发，讨论了这些参数对其影响的原因，分析了与压电活性密切相关的空间电荷的动态特性。

50Ml expanders of square shape are placed in the deep part of every specimen in order to imitate the action of gravity to skin and mesh in human body.

分两次采集标本，进行生物力学测定和组织学检查，研究皮肤和聚丙烯网的塑形和支持作用。

Anti-Corrosion Products of explosion-proof fans have: DWT-I FRP axial fan roof; DWT-II glass-steel roof centrifugal blower; BF4-72 C-type glass fiber reinforced plastic centrifugal fan; FBT35 FRP axial flow fan; FT30 C-type FRP axial flow fan; FRP DT Multi-wing Low Noise Centrifugal Fan; advertisement FRP fan; PVC4-62 PVC centrifugal fan; PP4-62 polypropylene plastic centrifugal fan; 4-72 stainless steel centrifugal fan; 11-62 stainless steel centrifugal fan.

防腐蚀防爆风机的产品有： DWT-I 玻璃钢轴流屋顶风机； DWT-II 玻璃钢离心屋顶风机； BF4-72 C 式玻璃钢离心风机； FBT35 玻璃钢轴流风机； FT30 C 式玻璃钢轴流风机；玻璃钢 DT多翼式低噪音离心风机；玻璃钢广告风机； PVC4-62 聚氯乙烯塑料离心风机； PP4-62 聚丙烯塑料离心风机； 4-72 不锈钢离心风机； 11-62 不锈钢离心风机。

Fascias, interior trim, and the instrument panel are made of polypropylene for easy reuse in those markets that offer it.

仪表板，内饰和仪表盘是为在这些市场上很容易重复使用它提供的聚丙烯。

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。