The axisymmetrie model is used to study numerically the coupling processes of the ther-mocapillary and the solutalcapillary convection in a floating zone.
本文用数值模拟的方法研究了浮区中热毛细对流与溶质浓度毛细对流的耦合，分析了半导体晶体的浮区生长过程中杂质的影响。
Preparing principle and preparation technology of Mo and Mo-Nb alloy single crystal and structure and component of electron beam floating zone melting are introduced.
介绍了钼和钼-铌单晶的制备原理、制备工艺及电子束区域熔炼炉组成结构。
The relationship between the annealing temperatures and the hydrogen-induced defects in floating zone silicon grown in hydrogen atmosphere has been investigated by X-ray section topography.
本文应用X射线透射截面形貌技术研究了氢气区熔硅单晶中氢致缺陷与热处理温度的关系。
This thesis studies the feasibility of producing sinking aquafeed efficiently by equipping a cooling zone on a common extruder which is normally used to produce floating aquafeed.
本课题以一台生产普通浮性水产饲料的挤压机为主机，采用配置冷却区的方式方法研究高效加工沉性水产饲料的可行性。
The paper introduces the project of treatment of the oily waste water in the residue oil tank zone by advective separation of oil-blending and solidification gas-floating-coke filtration process.
介绍了采用平流隔油-混凝气浮-焦炭过滤工艺处理渣油罐区含油废水的工程情况，经该工艺处理后的废水达到国家一级排放标准。
The paper introduces the project of treatment of the oily waste water in the residue oil tank zone by advective separation of oil-blending and solidification gas-floating-coke filtration process.
介绍了采用平流隔油-混凝气浮-焦炭过滤工艺处理渣油罐区含油废水的工程情况，经该工艺处理后的废水达到国家一级排放标准。
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