based on wavelet analysis of the third harmonic pre-injection technology to further improve motor efficiency 0. 3-2%;
基于小波分析的三次谐波预注入技术,进一步提高电机效率0.3-2%;
Massaging the local skin pre-injection can accelerate drug absorbing, and lessen the morbility of subcutaneous haemorrhage.
结论:注射前按摩局部皮肤可促进药物吸收, 降低皮下出血发生率.
Test Research on Preventing Spontaneous Combustion in Gob with Pre-injecting Inhibitor into Coal Application of Reinforcement Technology with Grunting in Full-mechanized Mining through Empty Roadway
煤层预注阻化剂防治采空区煤自然发火试验研究注浆加固技术在综采面过空巷中的应用
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