烟气中的飞灰既在液相膜表面结壳，阻碍石灰石的溶解，又影响脱硫系统含尘量排放指标，降低石膏品质。
Fly ash in flue gas not only crusts on the surface, stopping the dissolving of limestone, but also affects the dust discharge index, reducing the quality of gypsum.
目的研究石膏倒膜疗法结合皮肤护理治疗寻常型痤疮的疗效，探讨皮肤护理在治疗中的作用。
Objective To study the therapeutic effect of facial mask therapy in combination with skin care in the treatment of facial acne.
主要的材料为：黑色与白色合成石，拉膜灯箱，彩色夹胶玻璃，彩虹亚克力板，铝板，高强石膏板等。
The key materials are: Black and white reconstituted stone, stretch ceiling light box, tinted laminated glass, rainbow tinted acrylic, composite aluminium panels and glass Reinforced Gypsum board.
这些反渗透膜能分离水分子，以及在微过滤器中分离小颗粒物质。石膏会在磷矿颗粒的表面上结晶。
These range from separation of water molecules by reverse osmosis through separation of small particles in microfiltration.
这些反渗透膜能分离水分子，以及在微过滤器中分离小颗粒物质。石膏会在磷矿颗粒的表面上结晶。
These range from separation of water molecules by reverse osmosis through separation of small particles in microfiltration.
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