The experiment results in the paper show that quantitative additive putting in the hydration water can check the iron ion content of the monohydrate sodium carbonate,to attain the goal of improving the whiteness of dense soda ash,in the solid hydrated technological process.
在固相水合法生产重质纯碱工艺中 ,在水合水内加入一定量的添加剂 ,可抑制一水碱中Fe份对重灰白度的影响 ,从而达到提高重灰白度的目的。
Extraction of Effective Inhibitor Component of Rubus Tephrodes Hance;
灰白毛莓有效抑菌成分的提取
Stuies on bacteriostastic comparison of Rubus tephrodes Hanceand Xanthium sibiricum Patrin;
灰白毛莓、苍耳的抑菌作用研究
ObjectiveThe experiment tests the bacteriostastic activity of different organs of Xanthium sibiricum patrin, Rubus tephrodes Hance and their organs different compatibility of medicines.
目的比较苍耳和灰白毛莓的体外抑菌作用以及二者配伍制剂的抑菌效果。
With the same method,the Erosayia Caputserpenti was calcinedto deep red, colded and it became grayish white.
煅至微红、冷后呈紫棕色的紫贝齿原药及水煎液中钙盐(以CaO计)的含量较煅至红透、冷后呈灰白色的紫贝齿分别增加了10。
The main concept of the method is to distinguish the depth of the slip plane with the extruding water content zone and the enriched gray clay zone determined from the samples taken by manual twist drill.
该方法的主要思想是通过麻花钻孔取样寻找含水量突出带和灰白土富集带来鉴别滑动面的深度。
Parasitizing capacity of several trichogrammatid species on Ocinara varians;
几种赤眼蜂对灰白蚕蛾寄生能力的影响