查询词典 mercury

With NASA's Messenger probe now going into orbit around Mercury, Dr Hazen predicts that it will find only 300 or so minerals on the planet.

美国国家航空和宇宙航行局信使号探测器正进入水星轨道， Dr Hazen 预测它将在这颗星球上只发现300种左右的矿物。

Additionally, we have completely eliminated the use of lead, hexavalent chromium, cadmium and mercury, with the exception of exempt parts.

此外，我们已经完全消除了铅，六价铬，镉，汞，与豁免部分除外。

In addition, we provide cadmium, l ead, mercury, hexavalent chromium, PBB and PBDE, analysis of packaging materials and

此外，我们提供的镉，1 部、汞、六价铬、多溴联苯和pbde，分析包装材料和部件为符合欧盟的规定等。

The mechanism for methylation of mercury in presence of humic substances was studied.

4对腐殖质存在下汞非生物甲基化作用的机理进行初步探讨。

Recent research studies include trace-level analyses of polybrominated biphenyl ethers, perfluorochemicals, heavy metals such as mercury and hydrobiological toxicological studies.

在苏州市政府、中国科技大学、香港城市大学的大力支持下，实验室经过两年的努力，目前已拥有大中型化学分析仪器50余台套，占地面积2000平方米。

Keywords Black mercury sulfide;Thickish hot hydrochloric acid;Hydrobromic acid;Hydroiodic acid;Dissolve

黑色流化汞；热浓盐酸；氢溴酸；氢碘酸；溶解

Determination of organic mercury was based on volatilization of different compounds from aqueous media, purging to an adsorbent trap, release from that trap onto an isothermally operated GC column, and detection by AFS.

有机汞的测定基于不同组分从液体中的挥发后，通于吸附装置，从该装置释放后通入等温操作GC柱中，而后由AFS测定。

Single-axis acoustic levitation of the heaviest solid (iridium, p = 22.6g/cm3) and liquid (mercury, p = 13.6g/cm3) on the earth is achieved by greatly enhancing both the levitation force and stability through optimizing the geometric parameters of the self-developed single-axis acoustic levitator.

对自行研制的单轴式声悬浮器进行了优化设计，极大地提高了悬浮力和悬浮稳定性，首次悬浮起自然界中密度最大的固体铱(I-r，密度22.6g／cm~3)和液体汞(Hg，密度13.6g／cm~3)。

The heaviest solid (iridium, density r s = 22.6g/cm3, size f 4mm) and liquid (mercury, density r s = 13.6g/cm3, size f 5×2mm ) on the earth is acoustically levitated by greatly enhancing both the levitation force and stability through optimizing the geometric parameters of the self-developed single-axis acoustic levitator.

以上述理论为指导，对自行研制的单轴式声悬浮装置进行了优化设计，显著提高了悬浮力和悬浮稳定性，悬浮起自然界中密度最大的固体铱（ Ir ，密度 r s =22.6g/cm3，尺寸 f 4mm ）和液体汞（ Hg ，密度 r s =13.6g/cm3、尺寸 f 5×2mm ）。

By proximate and ultimate analysis, petrographical analysis, Scanning Electronic Microscope analysis, Mercury Porosimeter analysis, TG analysis and pilot scale fluidized bed combustion experiment, the combustion characteristics and particle properties of Longyan coal with different lithotype were studied, including the surface figure and pore structure of particle, the maceral content, the ignition and burnout temperature, and the reactivity, ect.

利用热天平实验测试数据，分别采用Freeman-Carroll微分法、改良Coats-Redfern积分法和Flynn-Wall-Ozawa法等热分析手段求解4种无烟煤的燃烧动力学参数。研究不同热天平试验工况、不同处理方法和不同拟合区间等对求解结果的影响，分析用不同热分析方法求解反应动力学参数的可靠性并计算得到了几种典型福建无烟煤的燃烧反应动力学参数；再次是研究流化床燃烧中无烟煤焦的反应性随燃尽度的变化。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。