非金属元素
- Non-metallic element;nonmetallic elements
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大多数金属和某些非金属元素都会发出特征的射线。
Most metallic and some nonmetallic elements will emit characteristic radiations .
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陶瓷是由金属和非金属元素结合而成的水晶混合物。
Ceramics are crystalline compounds combining metallic and nonmetallic elements .
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X射线荧光光谱法测定油中硫含量&非金属元素的影响
Measurement of Sulfur content in Oil by X-ray Fluorescence Spectrum - Impact of Non-metallic Elements
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添加非金属元素Si对固体超强酸SO4~(2-)/TiO2的改性研究
Studies on solid superacid so 2 - 4 / tio 2 modified by adding Si
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非金属元素掺杂TiO2可见光催化剂
Review on Nonmetal-doped Titania with Visible - light Activity
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半熔或稀氨水封闭溶样ICP-MS测定碘溴等非金属元素。
Simultaneous determination of iodine and bromine by ICP-MS with semi-fusion or pressurized dilute ammonia digestion .
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实验结果表明,顺序式扫描ICP-AES法可用于各种环境样品中金属和非金属元素的分析测定。
The experimental results showed that sequential scan ICP-AES method could be used for determining metallic and non-metallic elements in various environmental samples .
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在RECP计算中所有非金属元素一律采用全电子6-311+G(d,p)或6-311G(d)基组。在HF构型基础上用MP2计算了单点能。
All the nonmetal elements in the RECP calculations were described by the corresponding basis sets in the all-electron calculations .
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卤素:周期表VIIa族元素,包括五种化学性质类似的非金属元素∶氟(F)、氯(Cl)、溴(Br)、碘(I)和(At)。
Halogen : Any of five nonmetallic elements-fluorine , chlorine , bromine , iodine , and astatine-with similar chemical properties .
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氟(fluorine,F)是电负性最强的非金属元素,广泛分布于自然界,人可通过各种来源如水、土壤、空气接触到氟化物。
Fluorine is the most electronegative metallic element widely distributed in nature , people exposure to fluoride through a variety of sources such as water , soil and air .
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研究了电荷注入检测器ICP光谱仪测定非金属元素的分析性能。
Analytical performance for the detection of non-metal elements by inductively coupled plasma atomic emission spectrometer ( ICP-AES ) with charge injection device ( CID ) was investigated .
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结果发现:(1)与金属元素Zn及Cd相比较,非金属元素Se尤其是有机硒(麦硒康)也能诱导MT的合成;
The results showed that 1 . To our surprise the non-metal element , selenium especially organic selenium ( Selenium malt , Se-malt ) has extremely strong MT inducing effects compared with metal elements Cd and Zn ;
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概述了微波消解法的原理、特点、消化体系的选择及其在环境分析中的应用(包括金属元素分析、非金属元素分析、COD测定等)进展。
The principles , characteristics , selection of digestion system and the applications of microwave digestion technology in environmental analysis ( including analyses of metal , analyses of non-metal and determination of COD , etc ) have been reviewed .
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碱金属的迁移转化与原料中非金属元素S和Cl等密切相关,若能找出两者对碱金属迁移转化的竞争机制,就可选用更加合理的方法来缓解碱金属问题。
Meanwhile the migration and transformation of alkali metals can be influenced by sulfur and chlorine during biomass and coal co-combustion . It can choose rational methods to relieve relevant problem of alkali metals , if the study can fond the competition mechanism of sulfur and chlorine on alkali metals .
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电化学方法分析非金属元素和无机阴离子研究进展
Development in Electrochemical Methods for Non-metal and Inorganic Anions
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氟是茶中含有的特殊非金属元素。
Fluorine is the special non-metal element in tea .
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原子吸收法在非金属元素测定中的应用
Atomic absorption spectroscopy used for determinations of non-metallic elements
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砷和硒均属于非金属元素。
Both arsenic and selenium belong to nonmetal .
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元素32是活性最大的非金属元素。
Element 32 is the most reactive nonmetal .
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矿石中各金属和非金属元素含量是反映矿石可利用率大小的重要指标。
Metal and non-metallic elemental concentrations in ores are important indices of ore availability .
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氟是一种非金属元素,也是人体必需的一种微量元素。
Fluorine is a non-metallic element , also a essential trace element to human beings .
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非金属元素无机含氧酸的结构和酸强度的关系
The relations between the structure and the acid strength of inorganic oxyacid of non-metal elements
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关于或是含有一些金属特征的非金属元素的。
Of or being a nonmetallic element that has some of the properties of metal .
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电化学分析方法在测定石油及其产品非金属元素含量中的应用
Applications of electrochemical analysis methods in the determination of nonmetal elements in petroleum and its products
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X-荧光光谱法在测定有机物或高分子中金属及若干种非金属元素含量中的应用
Determination of La , P , Si in Organic Compounds and Polymers by X-ray Fluorescence Method
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虽然钼被划为重金属,但它与非金属元素一样重要。
Although molybdenum is classified as " heavy metals " it is as important as nonmetallic elements .
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然后,对所制得的二氧化钛空心球,进行氮、硫等非金属元素的掺杂改性。
After all , use the the nitrogen , sulfur elements as non-metallic elements doped the prepared titanium dioxide hollow microspheres .
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重点阐述了骨架材料、碳化物形成元素、稀土、非金属元素等在金属结合剂的作用及其影响机理。
The effect and working mechanism of skeleton material , carbide-forming elements , rare-earth and non-metallic elements in the bond are discussed .
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巴西坚果是硒(非金属元素)最好的天然来源之一,你头皮的健康就靠这个重要的矿物质。
Brazil nuts are one of nature 's best sources of selenium , an important mineral for the health of your scalp .
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一种三价非金属元素,或呈坚硬的黑色晶体状,或呈黄色或棕色粉末状。
A trivalent metalloid element ; occurs both in a hard black crystal and in the form of a yellow or brown powder .