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非金属元素

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A toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable gray metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores.

有毒的非金属元素,有多种同素异形体,稳定且有金属特性的灰色同素异形体用于光电池,其在亮处的导电性比在暗处好,见于硫化物矿石中。注意,注意力集中

Natural diamonds often exist in the Kimberlite pipes of the mantle, where often contain the inorganic elements--- sulfur. So the inclusions of natural diamonds are always carbonate minerals and sulfide. Undoubtedly, the study of the additive sulfur action in the course of synthesizing diamond will further our understanding the reason of natural germ formation.

天然金刚石多产生于地壳中的金伯利岩和钾镁煌斑岩,该岩层中含有非金属元素硫,天然金刚石中的包裹体通常为硅酸盐矿物和硫化物[41],因此研究添加剂硫在合成金刚石中的影响是认识天然金刚石成因的重要方面。

A non metal lic element,such as arsenic,that has some of the chemical properties of a metal .

准金属,类金属具有一些金属化学特性的非金属元素,例如砷

Hydrogen can combined with metals easily with the formation of metalic hydroxides, in high temperature hydrogen will reduced these hydroxides back by binding with oxygen.

氢很容易与非金属元素化合,也能形成金属氢化物,在高温下氢能从许多化合物中夺取氧,使氧化物还原。

Results indicate that metalloid B or P has a tendency of surface accumulation.

结果显示猝冷之后非金属元素B或P有聚积在表面的倾向。

A brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold.

一种脆的、银白色非金属元素,与硒和硫有关联,用于合金及作半导体,主要作为碲化物存在于铜、镍、银、金矿石中。

Of or being a nonmetallic element that has some of the properties of metal.

关于或是含有一些金属特征的非金属元素的。

Elements are classified as metallic or nonmetallic, according to their physical and chemical properties.

本段落中作者根据化学元素的物理和化学特性,把这些元素归纳为金属元素和非金属元素

This paper discusses the analysis of non-metal elements by following ways:Determination of P,S and Si by IC P-AES;Determination of Cl,P and S by IC ;Determination of trace As by polarograph and HG-AFS;Determination of Se by IC P-AES and fluorometry;Determination of F,Cl and I by GB.

本文论述了川附子非金属元素的分析:用ICP—AES法测定S、P和Si;离子色谱法测定Cl、S、P;极谱法和HG-AFS法测定痕量砷;ICP-AES和荧光法测定硒;GB法测定氯、氟和碘。

Through analysis on the structure of valence electron shell,the atom radius,the bonding orbital and other important parameters,this paper discusses the irregularity in the second circle of nonmetal elements and the irregular courses.

本文通过对第二周期元素价电子层结构、原子半径、成键轨道及其重要参数的分析,讨论了第二周期非金属元素的不规则现象,并且分析了产生这些不规则性的原因。

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推荐网络例句

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?