coal powder ratio 煤粉级配
residual powder ratio 干粉剩余率
powder mixture ratio 粉末配比
powder-penetration ratio 粉剂穿透比
powder penetration ratio 粉剂穿透比
It is possible to pour cast precisely by controlling water powder ratio and the mass of die stone powder. Thus the hardness and precision of cast is guaranteed and the cast quality is improved.2.
应用量匙灌制模型,可计量控制标准水粉比例和超硬石膏粉末用量,从而能保证口腔模型的精度和硬度,提高义齿修复体的质量。
参考来源 - 量匙计量灌模及影响模型临床因素的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Sinter storage times and dropping times relating with powder ratio were tested, mineralogical phase of sinter was also detected.
本文研究了白云石煅烧性能及煅烧后粉化率与矿物相形貌与结构的关系。
The effects of preparing conditions, such as particle size of the solid component, liquid-to-powder ratio (L/P) and liquid composition, on compressive strength of calcium phosphate were investigated.
考察了固相组分颗粒尺寸、液固比（L/P）和固化液组成等对骨水泥抗压强度的影响。
Range of the ratio of powder particles to air which the mixture will explode or ignite.
即将爆炸或着火的粉末粒子和空气的比率范围。
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