查询词典 polypropylene

Polypropylene was melt blended with pimelic acid surface treated mica .

采用庚二酸表面处理云母填充改性 PP，研究了复合材料的力学性能和结晶行为。

The results reveal that stretch strength of polypropylene is stronger than that of polyvinylidene fluoride membrane and can be equal to that of polysulfone approximately.

另外还研究了过冷度对膜结构的影响，中空纤维外侧过冷度大于内侧过冷度是导致膜内侧比外侧孔隙率高、孔径大的主要原因。

Polypropylene plastic board ripple or polyvinylidene fluoride; polyvinyl chloride and other board material, and metal plate packing structure similar to, in order to enhance the mass transfer efficiency, the board may be openings .

塑料板波纹填料用聚丙烯或聚偏氟乙烯；聚氯乙烯等板材料制成，与金属板波纹填料结构相似，为提高传质效率，板上可开孔。

From the viewpoint of controlling the processing parameters, the production technology of fine denier polypropylene POY is explorated . The effects of the parameters on the structure and properties of the POY are analysed, thus the optimal processing condition is found.

本文主要从分析工艺条件及参数的控制出发，对细旦丙纶POY的生产技术进行探讨，了解这些参数对POY的结构和性能的影响，从而为寻求最佳化的工艺参数指明方向，以求正确指导细旦丙纶POY的生产。

The polypropylene CPP film is characterized by excellent appearance, high transparency, shine, high water vapor proofness characteristics, air tightness the film "breathes",damage resistance, excellent heat sealability on devices of "hot rod" type, as this secures high strength of the weld joint as an inner layer of the laminate.

此膜的特点是：外观品质卓越、高度闪亮透明、高度防水防气、高阻隔性能好，抗破损。因为内里复合了高强度的粘结层，采用&加热棒&热封效果良好。

The polypropylene CPP film is characterized by excellent appearance, high transparency, shine, high water vapor proofness characteristics, air tightness (the film "breathes"), and damage resistance, excellent heat sealability on devices of "hot rod" type, as this secures high strength of the weld joint as an inner layer of the laminate.

此膜的特点是：外观品质卓越、高度闪亮透明、高度防水防气、高阻隔性能好，抗破损。因为内里复合了高强度的粘结层，采用&加热棒&热封效果良好。

Monomer which is used to synthesize polypropylene ester, mechanism of polymerization, a formula and technique parameters of synthesizing propenoic acid ester polymer are studied. An emulsifying stabilizer with good properties is synthesized.

本文研究了合成聚丙烯酸酯类物质的单体、聚合反应的机理、合成丙烯酸酯类聚合物的配方以及工艺参数，合成了具有良好性能的乳化稳定剂。

Polypropylene ; retractive stress ; taut tie molecules ; annealing.

聚肉烯；收缩应力；拉紧连结分子；退火

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 influences of production moment and storage time on high shrinkable rate and its stability of Bi axially Oriented Polypropylene film were studied.

研究了生产时间和存储时间对BOPP薄膜热收缩率和热收缩率稳定性的影响。

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。