The Atomic and Molecular Mechanism for Uranium Compound Reaction and the Irradiance of Microwave Excitation Sulfur;
铀化合物反应机理与微波激励硫发光的原子分子机理
In this paper,the genesis,distribution,group composition,shortcomings of nitrogen compounds in the crude oil and the products were discussed.
介绍了石油及产品中氮化合物的起源、分布、分类、危害及各类氮化物的浓缩、分离、鉴定的各种方法。
The dynamic oxygen uptake tester was used for studying the influence of nitrogen compounds on oxidation characteristics of saturated hydrocarbons.
用动态循环吸氧的方法研究了吲哚和喹啉对饱和烃氧化特征的影响 ;通过分析饱和烃氧化过程中氢过氧化物含量的变化 ,探讨了氮化合物在氧化过程中的作用本质。
The chemical mechanism of the nitrogen compounds in hydrocarbon oxidation was investigated by the combined method of determining hydroperoxide concentration, studying the oxidation characteristics of hydrocar- bon with dynamic oxygen uptake method and identifying the structure of oxidation products of nitrogen compounds.
采用烃类氧化过程中氢过氧化物浓度分析、动态吸氧研究烃类氧化特征及氮化合物氧化产物结构鉴定相结合的方法,研究了氮化合物影响烃类氧化的作用机理,并通过试验分析讨论了氮化合物与基础油氧化性能关系的复杂性。
The enriching and isolation methods of nitrogen compounds in heavy petroleum were introduced.
介绍了重质石油中含氮化合物的富集方法及定性方法；并用柱层析一步法分离富集ＶＧＯ油样（ 恩氏蒸馏ｂｐ：３３５ ～５００ ℃） 中的酸氮化合物，用１ ｍｏｌ／ＬＨＣｌ 和３ ｍｏｌ／ＬＨＣｌ 抽提ＶＧＯ油样中的碱氮化合物，以色／ 质联用技术对各子组分进行定性鉴定－ 结合质谱解析、质量色谱（ＭＣ） 方式、谱库检索、Ｌｅｅ 保留指数数据等对各氮化物联合定
The acidic nitrogen compounds in heavy petroleum(bp:335～500℃)were directly isolated by column chromatography and basic nitrogen compounds were extracted with hydro chloric acid 1mol.
用柱层析一步法分离富集胜利减二线油样中的酸性氮化合物，用１ｍｏｌ／Ｌ盐酸及３ｍｏｌ／Ｌ盐酸萃取碱性氮化合物，以色／质联用技术结合质谱、质量色谱、谱库检索及Ｌｅｅ保留指数对照等对各氮化合物进行定性鉴定。
Of or relating to uranium, especially with valence lower than in comparable uranic compounds.
（合）铀的铀的或与铀有关的，尤指比同类铀化合物化合价低的
I was struck by the fact that the activity of uranium and thorium compounds appears to be an atomic property of the element uranium and of the element thorium.
我突然意识到，铀化合物和针化合物的这些活性似乎是元素铀和元素钍的原子属性。
It is important to avoid the use of uranium compounds of unspecified isotopic composition.
要避免使用那种非专用的同位素成份的铀化合物。
The Atomic and Molecular Mechanism for Uranium Compound Reaction and the Irradiance of Microwave Excitation Sulfur;
铀化合物反应机理与微波激励硫发光的原子分子机理
Study on separation of trace cadmium in uranium compounds by CL-7301 resin micro-chromatographic-column
CL-7301微色谱柱分离铀化合物中痕量镉的方法研究
I found in this way that of the other elements known, only the cornpounds of thorium behave like the compounds of uranium.
于是我发现在其他所有已知元素中，只有针化合物才有像铀化合物一样的特性。
mixed oxide of plutonium and uranium
钚和铀混合氧化物燃料
uranium plutonium mixed oxide fuel
铀钚混合氧化物燃料
uranium plutonium mixed carbide fuel
铀钚混合碳化物燃料
Analytical methods of trace impurities in uranium and its compounds and their application
铀及其化合物中杂质元素的分析方法综述
Of, relating to, or derived from uranium, especially with valence higher than in comparable uranous compounds.
含铀的铀的，与铀有关的，或从铀中提取出来的，尤指比同类含铀的混合物具有更高价的
Synthesis and Structural Chemistry of the Organic-Inorganic Hybrid Uranyl Inorganic Oxygen Acid Compounds;
有机无机杂化的铀酰无机含氧酸配合物的合成与结构化学
Chemical compounds and mixtures containing uranium and thorium are active in direct proportion to the amount of these metals contained in them.
含铀和钍的化合物和混合物活跃的程度与这些化合物和混合物中这两种金属的含量直接相关。
Preparation and Characterization of UO_5 by Using Electrospray Ionization Tandem Mass Spectrometry
新化合物五氧化铀的电喷雾串联质谱法制备与表征
A method of constant-current coulometric titration for determination of uranium in uranium oxide is described.
本工作采用恒电流库仑法分析铀氧化物中的铀。
The objection to the placer origin have centred around the softness of uranium compounds.
反对砂矿成因的论据主要是：铀的化合物不耐磨蚀。
PREPARATION OF Li, Na, K, Rb, Cs SALTS OF URANYL TRIACETATES AW DETERMINATION OF THEIR PHYSICAL-CHEMICAL PROPERTIES
三醋酸铀酰锂、钠、钾、铷和铯的合成及物理化学性质的研究
Study on decorporating and detoxicating acute depleted uranium poison with some flavonoids
黄酮类化合物对急性贫铀中毒的促排解毒作用初探