Was he right to change from Physics to Metallurgy?
他由学物理改为学冶金是正确的 吗 ?
The same trend has taken place in the smelter field.
冶金工业也有同样的趋向.
They point out inadequacies in applying criteria developed from metallurgical practice to reinforced plastics.
他们指出了把冶金工业采用的断裂标准应用于增强塑料的不适合性.
The company manufactures and sells powder metallurgic articles and mechanical parts mainly.
主要生产销售粉末冶金制品和机械零配件加工.
Diffusion in solids is of importance in metallurgical operations.
固体分子的扩散在冶金过程中尤为重要.
Widely used in industry of machinc. electric power, metallurgy, chemical and oil, etc.
广泛应用于机械、电力 、 冶金 、 化工、石油等行业.
Ecole nationale sup é rieure d 'é lectronique et de radio é lectricit é de Grenoble.
格勒诺布尔国立高等电化学与电冶金学学校.
In metallurgy industry, iodine is used for purifying high pure metal.
在冶金工业中, 碘用于精炼高纯度金属.
Surface metallurgy plasma jet is a new coating technology.
等离子束表面冶金是一种新的表面涂层技术.
Ganzhou tungsten industry stimulated the development of mining equipment, meltallurgical equipment.
赣州钨工业的起步与发展,带动了矿山机械 、 冶金机械和火药加工业的建设.
Advantage and defect of semi - metallic , none - asbestos polymer and powder metallurgy were discussed.
探讨半金属基摩擦材料 、 非 石棉有机摩擦材料和粉末冶金摩擦材料的优缺点.
Usage: Mainly used in chemical, glass , dyestuff, ceramic and mechanic.
用途: 主要用于化学 、 玻璃、染料 、 冶金、机械、搪瓷等工业.
Have food, chemical, metallurgy, precision machinery, textile, paper and other industries.
有食品 、 化学 、 冶金 、 精密机械 、 纺织 、 造纸等工业.
Application of optical basicity to metallurgical slags was discussed.
讨论了光学碱度在冶金渣中的应用.
Electricity needs metallurgy and magnetism; corporations first require banking skills.
电学需要冶金学和磁学, 而企业则首先需要银行技能.