磷化

Phospho-tungstic heteropoly(H3PW12O40) was prepared and its catalytic performance for synthesizing of ethyl hexanoate from hexanoic acid and ethyl alcohol were studied.

结果表明：磷钨杂多酸是合成己酸乙酯的良好催化剂，当酸醇物质的量比为1∶2.0，催化剂用量为0.5 g/0.1 mol己酸，甲苯为8 mL，反应时间为150 min时，酯化率可达97.2

To improve the fatigue property of superalloys, fine-grain treatment has been broadly used to the alloys.

在当前涡轮盘材料细晶化发展（如DA718）的同时，加入适量的磷，可以达到提高高温持久等性能的目的。

Objective To investigate the effects of subthalamic nucleus -deep brain stimulation on expression of dopamine and adenosine 3'5'-monophosphate-regulated phosphor-protein (DARPP-32) and its phosphorylated proteins in corpus striatum of rat models with levodopa-induced dyskinesia.

目的 探讨丘脑底核高频电刺激对帕金森病异动症大鼠纹状体区多巴胺和cAMP调节的磷蛋白(DARPP-32)及其磷酸化蛋白表达的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。