查询词典 HG

In this work,the kinetic effects were considered and a new type electrolytic cell with mercury electrode was designed.

本文介绍用电解还原Hg-EDTA所释放的EDTA滴定水溶液中铅、镉、汞离子的分析技术。

It is common that minerals of electrum and native gold present in the gold deposits in Eastern Shandong contain Sb, Se and Hg; while those in Western Shandong contain Bi,...

这些矿物的颜色、比重、硬度、反射率以及晶胞参数等物理特征与金银含量比变化有明显关系。

This paper deals with status of eight heavy metals (Hg, Cd, Pb, As, Cu, Cr, Ni and Zn) in the soil from the Fengrun region, Tangshan City, Hebei province and quality evaluation of the soil. The result of the investigation indicates that: 1. the study area soil is neutral — alkaline — strongly alkaline;2. the organic matter content is widespread low;3. high concentrations of all heavy metals distribute in the localities where there are intensive mankind's activities. The most outstanding localities are Xiaodaodi village, Shawoxin village, Puzhuangzi village, Qianxinzhuang village, Xuezhuang village and Hancheng town. The main pollutant exhausting enterprises in study area are Guofurunxing Milk Ltd., the hennery, Jinxiang chemical fibre factory, Tangshan Fuming steel Ltd.

本文通过实地调查收集资料和实验室测试结果，对河北省唐山市丰润地区进行了土壤中汞、镉、铅、砷、铜、铬、镍、锌八种重金属污染程度调查，调查结果表明：研究区土壤为中性—碱性—强碱性，有机质含量普遍偏低，所有的重金属高值区都分布在人类活动较多的地区，最突出的有小稻地村、沙窝新村、蒲庄子村、前新庄村、薛庄村和韩城镇；研究区内影响土壤质量的主要企业有：国富润兴奶业有限公司、养鸡场、金翔化纤厂、唐山市福明钢铁有限公司、废品加工厂、唐山市宏达建材机械厂和蓝箭衡器厂。

The present invention selects and uses hereditary hypertension rat and rat with normal blood pressure to make hybridization, and the rat whose blood pressure is normal and arterial pressure susceptivity reflection sensitivity is less than 0.3 ms/mm Hg can be screened out from filial generation, bred and propagated, and repeatedly bred and propagated, after above 12 generations so as to obtain the invented pure rat with stable hereditary property and spontaneous arterial pressure susceptivity reflection functional defect.

本发明涉及医学实验动物模型技术领域，是培育用于心血管疾病防治研究的一种自发性动脉压力感受性反射功能缺陷的纯种大鼠的方法。本发明选用遗传性高血压大鼠和正常血压大鼠杂交，从子代中筛选出血压正常、动脉压力感受性反射敏感性低于0.3ms/mmHg的大鼠培育繁殖，并反复按此标准在其下一代中筛选、繁殖，经12代以上便得到遗传性稳定的自发性动脉压力感受性反射功能缺陷纯种大鼠。

A heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures同义词:quicksilver, hydrargyrum, Hg, atomic number 802. messenger of Jupiter and god of commerce; counterpart of Greek Hermes

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A simple method based on hydride generation-AFS for the determination of As in lead-based alloy s was developed.

建立了以HG-AFS测定铅基合金样品中砷的简单方法，研究了共存元素可能引起的干扰并成功地加以解决，优化了氢化物发生条件及仪器的工作参数。

Indices~ mP 0 and 1 were fitted, respectively, with the heat of formation,ionic hydration energy, lattice energy ,internuclear distance bond lengthof 20 kinds of alkali halides; with the lattice energy of 20 kinds of alkali-earth metal halides,with the ionic hydration heat of 51 kinds of metals, and with the ionic standard heat of formation of 80 kinds of i.

用mP的0和1阶指数分别与20种碱金属卤化物的生成焓ΔfH m、离子水化能ΔhG m、晶格能U1、气态碱金属卤化物核间距R0，20种碱土金属卤化物的晶格能U2，51种金属离子水合焓ΔhH m关联，拟合的回归方程的相关系数为m和80种离子标准生成焓ΔfH 0.9753(0.9834)、0.9761(0.9816)、0.9964(0.9986)、0.9967(0.9967)、0.9789(0.9890)、0.9901和0.9805，满足优级或良级标准。

At catheterization, all patients had elevated intrapericardial pressure (median, 12 mm Hg; interquartile range, 7 to 18) and elevated right atrial and end-diastolic right and left ventricular pressures.

在进行导管插管时，所有病人的心包内压都升高(中位数为 12mmHg，四分位数间距为 7～18mmHg)，右房压以及左室和右室舒张期末压也都升高。

It has been proved that the sensitivity of analytes can be significantly enhanced by adding small amounts of oxalic acid,especially for the elements with ionization potential between 9 and 11 eV.

结果表明，低浓度乙二酸对所分析元素的灵敏度具有显著的增敏效应，尤其是对电离电位在9～11eV的Be，Zn，Se，As，Sb，Hg等高电离电位元素。

The calculation of the elemental mass balance interprets by elemental calculation to explains the elementary activity law: the composition of alteration rock in the central of alteration belt has the largest degree of variation, a large number of permeability fluid carry active components into the dilation space, which has significance to the further enrichment of the ore-forming element and the remobilization of correlative elements.

通过元素质量平衡计算解释了成矿过程中体系的元素行为规律：蚀变带中心蚀变岩的成分变异强度最大，大量渗透性流体携带活泼组分进进扩容带，对成矿元素进一步富集，相关元素(Ag、Cu、Zn、Hg、Pb)活化转移产生重要的影响。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐