The intrinsic frequency of molecular-vibration of nonmetal binary hydrides is calculated with vibration theory.

Can be widely used in engraving all kinds of nonmetal materials.

适用于多种非金属雕刻,用途十分广泛.

Also can be used for plastic wood etc. Nonmetal of milling.

也可用于塑料木材等非金属的铣削加工.

It is easy to tell the difference between metal and nonmetal.

说明金属与非金属的区别是不难的.

Nonmetal nanoclusters are generated by inert-gas condensation.

采用惰性气体凝聚法获得非金属团簇淀积体.

Moreover , it puts forward measures and suggestions aboutto ensure healthy supply of nonmetal resource.

提出了保障非金属矿产资源健康供给的六项对策与建议.

The metal or nonmetal is written first in the formula , followed by oxygen.

(方式状语)在化学式中先写金属或非金属,气候是氧.

Sepiolite is a kind of Non-asbestos nonmetal mineral fiber.

海泡石是一种新型的可代替石棉的 非 石棉、非金属矿物纤维.

Element 32 is the most reactive nonmetal.

元素32是活性最大的非金属元素.

Elements 3 is a nonmetal with one valence electron.

元素3是带-1价的非金属元素.

Gears are manufactured from a wide variety of materials, both metallic as well as nonmetallic.

齿轮由多种种类的材料制造, 包括金属材料和非金属材料.

The central region has abundant energy, multi-metal and nonmetallic mineral resources.

中部地区拥有丰富的能源 、 多种金属和非金属矿产资源.

The appearance of the nonmetallic compound pipeline has out a efficient path for the problem settling.

非金属复合管道的出现,为解决这一课题找到了一条有效途径.

Even nonmetallic materials are dangerous to touch at these low temperatures.

在这种低温下,甚至接触非金属材料也是危险的.

A nonmetallic element as arsenic , that has some of the chemical properties of a metal.

关于或是含有一些金属特征的非金属元素的.

The tuff is a kind of predictable and new-type nonmetallic minerals resource.

凝灰岩是一种可预见的新型非金属矿产资源.

Most metallic and some nonmetallic elements will emit characteristic radiations.

大多数金属和某些非金属元素都会发出特征的射线.

Ceramics are crystalline compounds combining metallic and nonmetallic elements.

陶瓷是由金属和非金属元素结合而成的水晶混合物.

The technique of electroplating electric-brush overcomed the shortcomings of traditional electroplating of nonmetallic material.

电刷镀技术克服了传统非金属材料电镀的缺点.

In the third chapter, nonmonotonic trust region algorithms for nonlinear constrained optimization are discussed.

第三章讨论了非线性约束优化的非单调信赖域算法.

A nonmonotonic criterion is also used to speed up the convergence.

同时算法采用非单调的技术来加速算法的收敛效果.