Many foundry scientists have reported the cessation mechanism of flow for molten metals with their own theoretical and experimental basis, the famous one of them is that of m.
对液态金属停止流动机理的研究工作，许多铸造学者各有自己的理论基础和实验依据，其中著名的是美国M。
Desolation transformation is an important solid phase transformation of metals, and is the theoretical basis of aging treatment.
脱溶转变是金属材料的一种重要固态转变，是时效处理的理论基础。
The central point of this course is to provide a physical basis that links the structure of metals with their properties.
本课程重点在为金属结构与性质间的关联提供物理学的基础。
Their corrosion-resistant properties make them preferable to steel and other metals on an economic basis, for such uses as oil-well drilling equipment, chemical piping, tanks, and similar equipment.
其抗腐性使其在经济上优于钢和其他金属，这类用途有油井钻探设备、化学品管道、贮罐及类似设备。
Objective To study the heavy metals and pesticide residue in the soils of production regions of Atractylodes macrocephala for building GAP bases to provide basis.
目的分析酉阳白术主产区土壤重金属含量与农残状况，为白术的基地建设提供依据。
On basis of leaching process behaviors of platinum-group metals(PGMs) the lately progress in pressure hydrometallurgy of Cu Ni sulfide ores containing PGMs were presented.
本文以加压湿法冶金处理含铂族铜镍硫化矿过程中铂族金属的行为为主线，介绍了该领域的最新研究进展。
The quality problems of home made brazing filler metals as compared with ones used abroad are analyzed on the basis of testing and supervision results of filler metal last few years.
从近几年国内钎料质量检测结果出发，分析了国产硬钎料产品质量方面存在的问题以及与国外同类产品相比所存在的差距。
It is improved on a basis of HBE-3000. It serves to measure the Brinell hardness of ferrous metals, non-ferrous metals.
该硬度计是HBE- 3000的改进型，适用于测定黑色金属，有色金属的布氏硬度。
Cattle, shell, beads, tobacco leaves, and various metals-including iron, zinc, bronze, and copper - have all been used as a basis of exchange.
牛，贝壳，珠子，烟叶和各种金属，包括铁，锌，铜和铜都被用来作为一种交流的基础。
Cattle, shell, beads, tobacco leaves, and various metals-including iron, zinc, bronze, and copper - have all been used as a basis of exchange.
牛，贝壳，珠子，烟叶和各种金属，包括铁，锌，铜和铜都被用来作为一种交流的基础。
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