非金属的

An algebraic expression consisting of three terms connected by plus or minus signs.

由一个金属离子与两个或两个以上非金属离子构成配位键的过程。

It is allowable to have the defects not affecting the usage such as slight rolled in metal, roll mark

允许有轻微的金属及非金属压入、辊痕、擦划伤、松树枝状

The major metallic minerals and also the major Gold carrier minerals are pyrite and arsenopyrite. The nonmetallic minerals arc quartz and carbonate mineral.

主要金属矿物为黄铁矿、毒砂，同时也是主要的载金矿物；非金属矿物为石英、碳酸盐矿物。

Business: business or agency textiles, clothing, textile fibers, cereals, oil, food, Shanhuo, livestock products, handicrafts, Qinggongyepin, ferrous metals, nonferrous metals, non-metallic mineral products, chemical, mechanical equipment, instruments and other goods into the Export business;"three to fill a" barter trade business; operating domestic trade business.

经营或代理纺织品、服装、纺织纤维、粮油、食品、山货、畜产品、工艺品、轻工业品、黑色金属、有色金属、非金属矿产品、化工类、机械设备、仪器仪表等商品的进出口业务；"三来一补"、易货贸易业务；经营国内贸易业务。

With high technological content, reasonable structure, stable performance, high efficiency and energy saving advantages, bow saw Saw disc is the upgrading of the best products, widely used in black, non-ferrous metal, plastic and non-metallic materials sawing, the products sell well all over the country, Praised by users.

具有科技含量高、结构合理、性能稳定、高效节能等优点，是圆盘锯弓锯床升级换代的最佳产品，广泛用于黑色、有色金属、塑料及非金属材料锯切，产品畅销全国各地，深受用户好评。

Inorganic chemistry, Organic chemistry, Analytical chemistry, Physical chemistry, Materials introduction, Research method and characterization technique of materials, Physical chemistry of inorganic nonmetallic materials, Solid state physics, Petrography of silicate materials, Inorganic nonmetallic materials science, Thermotechnical element and instrument, Electrical materials, Jewel and bowlder, etc.

无机化学、有机化学、分析化学、物理化学、材料导论、材料的研究方法及测试技术、无机材料物理化学，固体物理、硅酸盐岩相学、无机非金属材料学、热工基础与设备、电子材料、宝玉石学等。

Objective To evaluate the diagnostic value of multislice spiral CT for non-metalic foreign body in children trachea and bronchus.

目的 评价多层螺旋CT在小儿不典型气管、支气管非金属异物诊断中的价值。

It is really a multi-purpose neat cutting oil.

可用于铁及非金属，是真正的多用途性切削油。

Many of the metals and most of the nonmetals are diamagnetic.

许多金属和大部分非金属都是逆磁性的。

1 List the elements in Group 13, 14, and 15 and indicate the ones that are diatomic gases

列出13， 14，和 15族的元素，并指出哪些是双原子气体，非金属，准金

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。