为推广新型化学注浆材料与注浆工艺提供了设备保障。
To promote the new chemical grouting material and grouting process provides equipment protection.
化学注浆是解决难灌注地层和低压条件下的矿井水砂灾害防治的有效手段。
The chemical grouting is one of effective methods to treat mine quicksand in difficult grouting strata with low grouting pressure.
据此提出井下钻孔化学注浆的防治方法，可对该类水害的防治有指导意义和借鉴价值。
A chemical grouting method is presented; and it is found valuable references can be provided with the method for treating the water inrush hazards.
采用化学共沉淀法合成羟基磷灰石粉料，采用注浆成型、热压烧结及热等级压后烧结等工艺制备羟基磷灰石颌面骨材料。
Hydroxyapatite ceramic powder was synthesized by chemical coprecipitation process. The. maxillofacial bone materials were made by slip-casting. HP and HIP post-sintering method.
该注浆工程中采用LP-2型化学浆液，它是以纸浆废液为主剂，加上桥联剂、胶凝剂为辅剂的强化木质素的化学浆液。
The lp - 2 chemical grout is a strengthened lignin chemical liquid consisting of wood pulp waste liquid, bridging agent and gelation agent.
该注浆工程中采用LP-2型化学浆液，它是以纸浆废液为主剂，加上桥联剂、胶凝剂为辅剂的强化木质素的化学浆液。
The lp - 2 chemical grout is a strengthened lignin chemical liquid consisting of wood pulp waste liquid, bridging agent and gelation agent.
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