The investment shell mold was made of polyethylene wax and colloidal silica.
介绍了用聚乙烯蜡低温模料制作熔模、用硅溶胶作粘结剂制造型壳的工艺.
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With, the size of colloidal particles decreases at first, and then increases.
胶体粒子尺寸先由大变小, 再由小变大.胶体中氢氧化钙相对含量与胶粒的大小成反比.
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Average diameterof the colloidal gold was 10.7 nm and coefficient variation ( CV ) wasl 4.2 %.
获得的金颗粒平均粒径为10.7nm,变异系数14.2%.
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A high-velocity centrifuge used in the separation of colloidal or submicroscopic particles.
超高速 离心''.'器'.''用于分离胶质微粒和普通显微镜下看不出来的微粒的''.'高速'.''离心''.'器'. ''.
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Soap does not often occur as a colloidal suspension except in laundry waste.
除了洗衣房废水外，肥皂常常不以胶态悬浮体形式存在。
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A sol that consists of solid particles suspended in a liquid is a colloidal suspension.
由固体微粒悬浮在液体中所组成的溶胶叫胶态悬浮体.
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One case is that of tiny dust particles or colloidal particles suspended in a fluid.
一种就是微小的灰尘粒子或悬浮在液体中的胶粒.
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Frictional behavior is modified by colloidal silica or starch deposition.
耐磨损性能可以通过在织物上沉淀胶状硅或淀粉一类物质而得到改善.
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The colloidal oatmeal in CVS Daily Moisturizing Lotion helps prevent dry skin.
胶体燕麦在cvs日报滋润肌肤有助于防止皮肤干燥.
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带相同电荷的胶粒不能紧密靠近,它们不能聚集成较大的颗粒.
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A substantial portion of the solution is aggregated to form units of colloidal size.
相当一部分溶质离子聚集形成胶体大小的单元.
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是具有固体特性的胶态体系,由形成凝集结构的胶体粒子构成.
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Silica sol ceramic mold is prepared by using the colloidal casting processing technique.
采用胶态成型技术制备硅溶胶陶瓷型.
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The reaction of FeCl 3 and Al ( I Bu) 3 produces colloidal particles.
Al（i-Bu）3以缔合状态存在并解离成离子对，它与FeCl3作用是形成胶粒的主要反应；
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通过Tyndal效应、电镜观察和超过滤实验表明，FeCl3－Al（iBu）3－Phen催化剂在溶有了二烯的加氢汽油介质中为胶体分散系，活性中心位于胶粒表面，因此是胶体催化剂。
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新发展的堵水剂有胶体分散体冻胶 、 新型沉淀型和复合型等.
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