聚丙烯

Various kinds of polypropylene to connect accessories including gaskets, end, and the GE-Osmonics patented self-sealed spring pad.

多种类的聚丙烯连接配件包括垫片、端头，及 GE-Osmonics 专利的自密封式弹簧垫。

The compositions of high molecular weight glutenin subunits in 106 synthetic wheats were analyzed by using sodium dodecyl sulphate polyacrylamide gel electrophoresis.

利用十二烷基磺酸钠－聚丙烯酰胺凝胶电泳技术对106份人工合成小麦(2n=6x=42， AABBDD)的高分子量谷蛋白亚基组成进行了分析。

The precipitation ratio of sodium aluminate liquors with the addition of cationic PAM is always lower than that of the blank in the early stage, and it is opposite in the late stage yet.

在种分附聚过程的前期，添加阳离子聚丙烯酰胺的铝酸钠溶液的分解率一直低于空白，而在后期，其分解率一直高于空白。

By using the polyacrylmide gel electrophoresis,this part studies the LDH,EST and SOD isozymes of the gynogenetic grass carps.

运用聚丙烯酰胺凝胶电泳技术，分析了雌核发育草鱼尾鳍中LDH、EST、SOD三种同工酶的酶谱。

By using vertical polyacrylamide gel electrophoresis,10 isozymes and protein in six tissues from black carp,grass carp,silver carp and bighead carp were studied.Combining with authors previous studies,the tissue distribution,loci expression and activities of 21 isozymes and protein in six tissues of the four fishes were analysed and summarized.

采用聚丙烯酰氨垂直板状连续电泳方法，对青草鲢鳙6种组织、 10种同工酶和蛋白质进行了电泳研究，并结合作者以前做的工作，对所研究的共21种同工酶和蛋白质在4种鱼中的组织分布，位点表达及活性作了分析和总结。

According to a great deal of tests, each mechanics property and anti-cracking performance of polypropylene fiber cement stabilized macadam were investigated systemically. The main content includes:(1) The formulae of shrinkage stresses of semi-rigid base course were deduced. This thesis analyzed each influencing factor of the maximum value of shrinkage stress and the cracking rule of semi-rigid base course. At the same time, the corresponding prevention measures of the cracks were presented.

通过大量试验，对聚丙烯纤维水泥稳定碎石的各种力学性能和抗裂性能进行了系统的研究，主要内容包括：(1)推导了半刚性基层收缩应力的计算公式，对影响最大收缩应力的各种因素及半刚性基层收缩裂缝产生的规律进行了分析，提出了相应的路面裂缝防治措施。

A newly developed approach, in which sheet metal forming and plastics injection molding are integrated, was used to manufacture complex components combined with aluminum sheet and polypropylene with the mold of non-flat bottom via plastics injection molding machine.

摘 要：在注塑机上利用非平底凹模制备了形状较复杂的铝板/聚丙烯复合结构件，实现了将金属板料成形、塑料注射成形融为一体的复合成形的新工艺。

Base on sedimentation test, it was found that the dosage of coupling agent was the most important factor in the surface modification of inorganic powder by orthogonal experimental design.

采用Instron 3211毛细管流变仪对不同粉体添加共混聚丙烯体系的流变行为研究发现：所有共混体系均为非牛顿假塑性流体。

This product connected to 220 volts AC power to operate after use, suitable for high-low pressure polyethylene, polypropylene films of the seal and cutting.

本产品接通220伏交流电源后即可操作使用，适合于高低压聚乙烯、聚丙烯薄膜的封口及切割。

Apparatus Screw-capped polypropylene tubes (50 ml and 6 ml) were supplied by Sarstedt.

二。2 。仪器分装于旋盖聚丙烯管（ 50毫升和6毫升）由sarstedt 。

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。