非金属

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

A rubber composition for a tire improving friction performance on ice, comprising 0.5 to 20 parts by weight of a nonmetallic fiber having an average fiber diameter of 1 to 100 μm and an average fiber length of 0.1 to 5 mm, and 0.5 to 30 parts by weight of a filler having at least 2 projections and an average length of the projections of at least 10 μm based on 100 parts by weight of a diene rubber, and a pneumatic tire comprising the same.

提供了一种改善冰上摩擦性能的轮胎用橡胶组合物，以及含有该橡胶组合物的充气轮胎。一种轮胎用橡胶组合物，以100重量份的二烯橡胶为基准，还含有0.5～20重量份平均纤维直径为1～100μm并且平均纤维长度为0.1～5mm的非金属纤维，以及0.5～30重量份的具有至少2个突起并且平均突起长度至少为10μm的填料，以及一种含有该橡胶组合物的充气轮胎。

A mass transporting equation of diffusion of CO2 into liquid-Al is proposed.

氢和Al2O3等非金属夹杂物是影响铝熔体冶金质量的关键因素

Many aromatic amine, such as aniline and N-methylaniline and diphenylamine, whose antidetonating quality are excellent, are not only often employed as concocting ingredient of antiknock but also suitable to research with electrochemical methods.

许多苯胺类化合物，如苯胺、N-甲基苯胺、二苯胺是性能良好的非金属抗爆制，也是抗爆剂常用的调合组分，且具有电子转移性质，适于电化学研究。

The companies design and manufacture of paint production line to complete all kinds of metal or non-metallic materials to the surface of oil products, derusting, passivation, phosphate, rinse, electrostatic powder coating, drencher spray paint, paint electrophoresis, drying, curing Such as painting technology.

本公司设计制造的涂装生产线能完成各类金属或非金属材料产品表面的去油、除锈、钝化、磷化、漂洗、静电粉末喷涂、水帘喷漆、电泳漆、烘干、固化等涂装工艺。

It is brittle and sharp and has electrical and heat conductivity in some degree.

用其制作磨具，使用于加工抗张强度低的金属和非金属材料。

The electroform copper araftwork are fit for decoration of hotels,offices,housesetc,because of its fine surface.

我公司生产的电铸工艺品，利用电流将金属沉积于金属或非金属模具表面从而获得一定厚度的金属壳制品，铸件表面精细、浮雕、璧雕、圆雕装饰宾馆饭店、办公楼、家庭是一种高雅的艺术享受。

So, fiber optic communication, is not interfered electromagnetically , it is of good security to convey information.

三 不受电磁干扰。光纤是由，非金属的石英介质材料构成。因此，光纤通信，不受电磁干扰，传送资讯保密性强。

Metal components of a product, such as solder or base metals in electroplate

目前， 这些豁免不包括产品的非金属或非贵重金属部分。

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。