standard metal

Secondly, it is introduced that a new applied standard metal mold tension test specimen is designed.

介绍了一种新的实用标准金属型抗拉试样。

Reflection about Round objects Technology Development of Metal Hot Sawing Blade and the Standard Emending

金属热切圆锯片的技术发展和标准修订

The result showed the heavy metal content in bed mud was over Soil Environmental Quality Standard Two except Pb, in which Cd pollution was the most significant.

结果表明各航道底泥中重金属除铅以外，含量均超过《土壤环境质量标准》中的二级标准，其中镉的污染最为严重。

The heavy metal contents in the greenery and rootstalk vegetables were higher than those in the melon and fruit, but the contents of lead, cadmium, copper and zinc in 8 kinds of vegetables were all below the sanitary standard for pollution, free vegetables.

绿叶菜类和根茎类重金属含量普遍高于瓜果类，8种蔬菜中重金属含量均未超出无公害蔬菜限量标准。

When the pollution index is> 4.90-5.38, there are one or two heavy metal pollutants over standard capacity;

当污染指数≥4.90-<5.38时，有1种或2种污染物含量超标；

The content of nutrient and metal and hygienic standard were measured.

同时测定了垃圾有机无机复合肥的养分含量、卫生学指标、重金属含量.

Applied Standard Metal Mold Tension Test Specimen for Casting Aluminum Alloy

实用铸造铝合金标准金属型抗拉试样

Seat end of valve must be mated standard flat faced metal flange. Rubber flanges not acceptable.

阀门的阀座端口必须与平面金属法兰配合. 橡胶法兰是不可接受的.

Black-leather jackets and tattoos are the standard tools of the trade for heavy-metal musicians.

黑皮夹克与纹身是重金属乐手的标准行头。

In the first place, it is pointed out defects of national standard metal molding tension test specimen for casting aluminum alloy in this paper.

指出了铸造铝合金国家标准金属型抗拉试样在实际生产过程中存在的问题。

Calculation of standard formation enthalpy of the nitrides of alkali and alkaline-earth metal and analysis of their thermal stability

碱金属和碱土金属氮化物的标准生成焓的计算及其热稳定性分析