It is very clear that low carbon steel can be easily machined.

Selected lowquality carbon steel materials, a unique anti-corrosion technology.

精选优质低碳钢原材料, 独特的防腐技术.

Lever material is carbon steel for all body styles.

对于所有材质的阀门,所配置的杠杆执行器材质都是碳钢.

Carbonaceous mesophase is an excellent precursor for carbon materials, especially those with high additional value.

炭质中间相是制备炭材料, 尤其是高附加值炭材料的优质前驱体.

Coal is a rock composed principally of organic carbonaceous macerals and inorganic minerals.

煤是一种有机沈淀岩,主要包括有机碳化合物和无机矿物.

Coal is a sedimentary rock composed principally of carbonaceous macerals and inorganic minerals.

煤是一种有机沉淀岩,主要包括有机碳化合物和无机矿物.

The effect of different process . conditions on the porous carbonaceous adsorbents prepared by pyrolysis.

考察了不同工艺条件对热解生成的多孔炭质吸附剂的影响.

Carbon black is special kind of carbonaceous material on microstructure, particle configuration and surface behavior.

炭黑是一种微观结构 、 子形态和表面性能都极为特殊的炭素材料.

Thin layers of sandy shale, and carbonaceous fragments are locally present.

局部出现砂质页岩薄层和碳质碎屑.

The balance was carbonaceous fraction , the nonflammable inorganic fraction was negligible.

其余为不挥发的可燃物碳粒, 不可燃的无机物极少.

The sediments are mudstone , shale, carbonaceous mudstone and marl of deep and semi-deep lake facies.

烃源岩已进入成熟阶段, 处于生油高峰期.

The microstructure and characteristics such as combustion and expansion of the carbonaceous materials-graphite, acid graphite.

本文首先研究了保护渣常用的碳素材料 — 石墨 、 酸化石墨、炭化稻壳、炭黑的显微结构及燃烧、膨胀等特性.

Because some strata carbonaceous shale, the result of geophysical work was infected.

因部分地层中含有碳质板岩, 对地球物理工作的结果产生了一定的影响.

This sandstone unit is commonly thick-bedded and massive, with silty and carbonaceous laminations.

该砂层单元通常为厚层或块状, 具粉砂质和碳质纹层.

Coal is a sedimentary rock composed principally of organic carbonaceous macerals and inorganic minerals.

摘要煤是一种有机沈淀岩,主要包括有机碳化合物和无机矿物.

B . The most reactive metal can form the most stable carbonate.

较活泼的金属可以生成较稳定的碳酸盐.

Methods of preparing nanometer strontium carbonate with high purity are also reviewed.

最后对高纯碳酸锶纳米粉体的制备技术进行了综述.

The carbonate rock is widespread in South China where there are various karst topography.

中国南方岩溶地区分布有面积广泛的碳酸盐岩,发育多种岩溶地貌.

Pigments have clay ( white clay ), calcium carbonate , sand , small white , aluminum hydroxide and titanium dioxide.

颜料有白土 ( 白色黏土 ) 、 碳酸钙 、 沙丁白 、 氢氧化铝、二氧化钛和塑料颜料等.

CITIC Guoan base in Qinghai Salt Lake has begun production of lithium carbonate products.

中信国安在青海的盐湖基地已开始生产碳酸锂产品.

Moreover, some suggestions were given for the development of potassium carbonate industry in China.

通过对我国碳酸钾工业现状进行分析, 对其今后发展提出建议.