查询词典 hf

In comparison with the host granite, the dioritic enclaves are higher in Fe, Mg, Ti, Ca and richer in HREE, Sr, but lower in Na, K, Si and poorer in Ba, Th, Hf, Zr.

与寄主花岗岩相比，闪长质包体的Fe、Mg、Ti、Ca含量较高，而Na、K、Si的含量较低；富HREE、Sr，贫Ba、Th、Hf 、Zr。

This thesis has emphasized studies on forming mechanism of dioritic quenched enclaves in the subvolcanic dikes and cryptoexplosive breccia at depth of the Zoujiashan uranium deposit, systematically studied the diagenetic ages, geochemical characteristics and Nd, Sr, Pb and Lu-Hf isotopic compositions of the Xiangshan volcanicintrusive complex and mineralization at depth of the Xiangshan ore-field.

本文重点解剖了相山次火山岩中闪长质淬冷包体及邹家山富大铀矿床深部隐爆角砾岩的成因机制；系统研究了相山火山-侵入杂岩的成岩时代及其Nd、Sr、Pb和Lu-Hf同位素组成；同时还对相山火山-侵入杂岩的岩石地球化学特征及相山矿田深部的成矿作用进行了深入研究。

We have seven stations on the air with the eight being shared between HF and EME.

现在有7个台在同时工作，另外一个台除了做HF的联络还做EME。

Skin contacted by HF, vapor , or aqueous solution rapidly produces an erythematous area, often with a white or gray color at the surface caused by coagulation of tissue.

接触HF、蒸气或水溶液的皮肤会迅速产生一块变红的区域，通常在表面带有组织凝结造成的白色或灰色。

On Tuesday, Iceland's government seized Glitnir Bank hf, Mr. Davidsson's employer, caught up in the unfolding global financial crisis.

在全球金融危机的冲击下，冰岛政府周二接管了戴维森工作的银行Glitnir Bank hf。

Because new mantle inputs have not been identified in terms of zircon Hf isotopes, mantle-derived magmas might not have been involved in formation of this S-type granitoid belt.

因为缺少显著幔源特征的高εHf值锆石，本文认为地幔物质基本没有参与该S型花岗岩带的形成。

The results from laboratory research indicated that the max rate of dry leaching is 4%;The rate of wet leaching of vitriol is higher than hydrochloric acid, when the concentration of vitriol is 40%, measuring Ratio of Solid to Liquid of serpentine and vitriol is 4:1.,and joined helper leaching agent: HF (The amount put in is 1.2%-1.5% of the 40% vitriol), the rate of leaching of magnesia could over 98%. After using ammonia to trash extraction, basic magnesium carbonate is acquired by ammonium hydrocarbonate.

经过实验室研究，干法氧化镁的浸出率未超过4％；湿法硫酸的浸出率高于盐酸，在硫酸浓度为40％，硫酸与蛇纹石的液固比为4：1时，加入助浸剂HF(加入量为40％硫酸质量的1.2％-1.5％)后氧化镁的浸出率为98％以上。

On the basis of intrapair and interpair correlation model, we have calculated the pair correlation energies of different kinds of systems, analyzed the changing rules of correlation energies of various electron pairs, and developed a reasonable and simple scheme called "Separating Large System into Smaller Ones". The basic idea of this scheme is that the correlation energy contributions of actual components in the ionic compound can be obtained using the correlation energy of ions with integer charge as the boundary conditions and incorporating the HF wave function or the distribution of electron cloud, then the total correlation energy of the system can be estimated by linearly summarizing the correlation contributions of these components.

在对内对间电子相关能理论模型的基础上，进行各类型化学键分子体系电子相关能的计算，分析电子对相关能的变化规律，建立合理的、&化整为零&的电子相关能简捷计算方案，其基本思想是对于离子键体系以整价离子的电子相关能为边界条件，通过HF波函数或电子云分布求得大体系中实际离子的电子相关能后，进行线性加和，即&化整为零、聚零为整&的思想。

AlPO-CJ8 〓 is an anionic fluo-aluminophosphate chain synthesized in the presence of HF, using isopropylamine as organic templates and solvothermal technique.

AlPO-CJ8 〓是一种在HF存在下用异丙胺做模板剂合成的一维磷酸铝链。

The contents include: 1. The progress of Lu-Hf isotopic study.

具体包括： 1、Lu-Hf同位素地球化学研究进展。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。