Taking copper sulphide mineral as study objects, the studies of chalcopyrite heating and pressure pre-oxidation leaching process were conducted in acid system adding chloride.
以硫化铜矿物为研究对象，在添加氯盐的酸性体系中，开展了黄铜矿加温、加压预氧化浸出过程研究。
The sealing technique of FED is introduced in this papers, which include the selection, mixing and painting of low fusing point glass, the process of heating and pre-process of the flat glass.
介绍低熔点玻璃材料封接工艺，主要包括低熔点玻璃材料的选择、调制、涂覆、加热处理以及玻璃基板的预处理。
For the process of the fiber taper drawing, the pre-heating time and stretching speed are carefully examined for parameter optimization.
在加热拉伸过程工艺方面，本文从预加热时间和拉伸速度两个角度进行研究，对参数进行优化处理。
The waste sulfuric acid containing chloral was treated with new process, including diluted with water and directly steam distillating without pre-heating.
将含三氯乙醛废硫酸加水稀释后，不需预热，直接向废硫酸中通入水蒸汽进行蒸馏的方法处理含三氯乙醛废硫酸。
The Pyronics TF Packaged Immersion Tube Burner Series are designed to offer the equipment designer and user a completely pre-wired, pre-piped burner package for heating liquid process tanks.
成套浸管式燃烧器系列提供给设备设计人员和用户一种完整的配好接线和管道的燃烧器，该燃烧器用于加热液体。
The Pyronics TF Packaged Immersion Tube Burner Series are designed to offer the equipment designer and user a completely pre-wired, pre-piped burner package for heating liquid process tanks.
成套浸管式燃烧器系列提供给设备设计人员和用户一种完整的配好接线和管道的燃烧器，该燃烧器用于加热液体。
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