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rare earth相关的网络例句

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The characteristics of five different phosphinic impregnated resins adsorbing heavy rare earth elements in hydrochloric acid are studied by static method.

利用静态法研究了5种不同膦类萃取剂的浸渍树脂在盐酸介质中对重稀土的吸附行为。

The synthesis methods of nipagin esters catalyzed by sulfuric acid , p- toluene sulfonic acid , ferric sul-fate hydrate, ferric chloride hexahydrate, aluminium chloride hexahydrate, rare earth compound, solid super acid and heteropoly acid were reviewed.

评述了采用硫酸、甲苯磺酸、合硫酸铁、水合三氯化铁、水合三氯化铝、土化合物、体超强酸和杂多酸等催化剂催化合成对羟基苯甲酸酯的方法。

This paper studies the method of determining 14 rare-earth impurities in high-purity holmium oxide by ICP-MS.

本文研究了用电感耦合等离子体质谱法测定高纯氧化钬中14个稀土杂质的方法。

Rare earth permanent magnet is used widely in components producing strong magnetic field, such as various micro special electric machine, nuclear-magnet resonator, electric device, magnetic separation equipment, magnetic machine, and magnetic therapy appliance of computer, automobile, apparatus, instrument, household electrical appliance, petrochemical, medical care, and aerospace, etc.

中国钢铁—山东冠洲稀土钕铁硼永磁材料广泛应用于计算机、汽车、仪器、仪表、家用电器、石油化工、医疗保健、航空航天等行业中的各种微特电机,核磁振共振设备、电器件、磁分离设备、磁力机械、磁疗器械等需产生强间隙磁场的元器件。

We produce the activity sodium humate containing elemental selenium, titanium, thorium, strontium, rare earth and other active substances, which is the other similar products do not have.

我们生产的活性腐植酸钠含有元素硒、钛、钍、锶、稀土等活性物质,这是一般同类产品所不具备的。

Thus, Chinese current standards include 12 heavy metals and harmful substances in apple, such as lead, cadmium, hydrargyrum, abio-arsenic, chrome, arsenic, selenium, copper, fluorine, rare earth, nitrite, nitrate, and also the residue limit of 56 pesticides.

至此,我国现行标准中,共包含了苹果中铅、镉、汞、无机砷、铬、砷、硒、铜、氟、稀土、亚硝酸盐、硝酸盐等12种重金属和有害物质以及56种农药的残留限量。

Three open chain crown ether s and triglycolyl isopropylidene hydrazide complexes of rare earth nitrate were synthesized for the first time with isoproylidene hydrazide as the terminal group and through IR, 1HNMR, MS, characterized their structures have been characterized.

首次合成了以丙酮酰腙为端基的3种双酰腙型开链冠醚及三甘双酰丙酮腙稀土硝酸盐配合物,并通过元素分析,IR,1HNMR,MS对分子结构进行了表征

Synthesis and Property Study of Rare Earth Complexes with 2-Carboxybenzaldehyde-2, 4-dinitrophen Hydrazone

2-羧基苯甲醛-2,4-二硝基苯腙及其稀土配合物的制备和性能研究

In this paper, with 2-oxo-propionic acid salicyloyl hydrazone as a ligand, one calcium complex, three copper complexes and thirteen rare earth(RE=La, Ce, Pr, Nd, Sm, Eu. Gd, Tb, Dy, Er, Tin, Yb and Lu) complexes have been synthesized. The crystals of four complexes were obtained, and the crystal structures were determined by single crystal X ray diffraction. One of the crystals is calcium complex, the other are binary and trinary complexes of copper.

本文选用2-羰基丙酸水杨酰腙作为配体,在水中分别与钙、铜、稀土(RE=La、Ce、Pr、Nd、Sm、Eu、Gd、Tb、Dy、Er、Tm、Yb和Lu)的盐反应,共制得了17种未见文献报道的配合物,另外还培养了2-羰基丙酸水杨酰腙、咪唑与铜、钙的二元及三元配合物的四种单晶,对La-Gd的稀土的配合物进行了溶解热的测定,并用Gauss-98软件包对铜的配合物进行了有关量化计算。

In this article, a mathematical model of enthalpy of formation for rare-earth hydride is established on the basis of the experimen...

本文应用微观结构参数法和大量的实验数据,建立了稀土贮氢合金氢化反应生成热的数学模型。

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