受毒害叶片经常出现针状的叶尖从蜷缩部分脱落下来.Abscission of the tightly rolled , needlelike tips of the injured leaves quite often occurred.分析了空气量和锌浓度对形成四针状的氧化锌晶须的影响.The effect of air quantity and zinc concentration on forming T - ZnO _ w whi...
I wonder if this person is related to the doping control.我想知道这个人与兴奋剂检查是否有关.The effect of different doping elements on the electrochemical performance of spinel LiMn _ 2 O _ 4 was reviewed.综述了不同掺杂元素对尖晶石型锂锰氧化物电化学性质的影响.The ...