开孔剂是一类特殊的表面活性剂，一般含疏水性和亲水性链段成基团，它的作用是降低泡沫的表面张力；促使泡孔破裂，提高聚氨酯泡沫塑料的开孔率，改善因闭孔造成的软质。
他的法语知识难以应付这份工作 » His knowledge of French is difficult to cope with the job 开孔剂 » Openings agent 你可以吃一些头痛药 » You can eat some headache medicine ..
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开孔剂 中文名称：开孔剂英文名称：Cell-opener包装：25kg 价格面议 聚氨酯助剂 中文名称：聚氨酯助剂包装：25kg 价格面议 气相脱硫活性炭 中文名称：气相脱硫活性炭包装
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开孔剂 » open-hole agent 我们这次在这里度假14天，共需要花费8000欧元。 » We are here this holiday for 14 days, it takes a total of € 8,000.
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开孔发泡剂 foaming agent for opening aperture ; gent for opening aperture ; open porous foaming agent
蜂窝状筛网催化剂的高开孔结构，使其较粉末催化剂具有较低的压力降，较蜂窝状堇青石催化剂具有较高的传质系数。
Wire mesh honeycomb combines a low pressure drop compared with powder catalyst and high mass transfer compared with ceramic honeycomb, mainly attributed to the high porosity of wire mesh structure.
以球形尿素颗粒为造孔剂，采用传统的粉末冶金工艺制备开孔泡沫铝并研究了其性能。
Open cell aluminum foams were prepared by traditional powder metallurgy process, with spherical carbamide particles as the space-holder.
以球形尿素颗粒为造孔剂，采用传统的粉末冶金工艺制备开孔泡沫铝并研究了其性能。
Open cell aluminum foams were prepared by traditional powder metallurgy process, with spherical carbamide particles as the space-holder. The properties of open cell aluminum foams were studied.
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