对于石灰石的压力要比结晶体的压力稍低一点。
With limestone the pressure is a little lower than with crystalline stones.
脱色后的转化液经过浓缩、结晶、乙醇洗涤、重结晶，得到纯度为96.7%的L-苯丙氨酸晶体，整个提取过程收率为82.8%。
The purity of L-phenylalanine crystal was 96.7% and the yield of the total process was 82.8%.
强化水晶一种极度精纯的针状结晶体，具有超常的剪应力及不同寻常的电性及表面属性。
An extremely fine filamentary crystal with extraordinary shear strength and unusual electrical or surface properties.
强化水晶一种极度精纯的针状结晶体，具有超常的剪应力及不同寻常的电性及表面属性。
An extremely fine filamentary crystal with extraordinary shear strength and unusual electrical or surface properties.
应用推荐