梯度溶剂 meaning in English

gradient solvent

There are many different methods of growth cdse single crystals , but they have some deficiencies . in our study , the technique of the purification of starting materials had been improved : the purification of polycrystalline and growth of cdse single crystals had be carried on in the same quartz ampoule and starting materials had been transferred into the growth ampoule directly in the last process of purification , which avoided the extra contamination
由于制备具有高纯度和高电阻率的cdse单晶体非常困难：到目前为止，制备cdse单晶体的方法虽然很多，如溶液法、熔体法、温度梯度溶剂区熔法( tgsz )等，但是都因各自的不足而没有成为简便而理想的制备cdse单晶体的方法，所以cdse单晶体没有得到广泛的应用。