A new surface strengthening method, RE-Multi-Element diffusion, for HSS cutters by positive-negative pressure pulse process is investigated.
本文主要介绍采用正负压脉冲稀土多元共渗技术对高速钢刀具表面强化的一种新方法。
The positive rate in Cheat patients with not normal Vital signs such as blood pressure and pulse and respiration is smaller than in coma.
诈病患者血压、脉搏、呼吸、体温等生命体征不正常阳性率较昏迷患者低。
Results It was found that there was positive correlation between pulse pressure and intralymphocytic free calcium concentration( P <0 001).
结果脉压与细胞内胞浆游离钙浓度呈正相关（P <0 0 0 1）。
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