查询词典 sulfureted hydrogen

Explanation: At the edge of a large molecular cloud in Monoceros, some 3,000 light years away, dark filaments of dust are silhouetted by luminous hydrogen gas.

说明：在麒麟座有一块巨大的分子云，离我们约3，000xx光年，在它的边缘处，黑暗的尘埃纤维遮住发光的氢气发出的光，形成黑色的剪影。

The cross section data for the electron impact excitation of the triplet of the hydrogen and its isotopic molecules, which can not be available from the literature have been calculated on the basis of Morse potential function, Franck-Condon theory and semi-classical Gryzinski method.

对于尚无反应截面的氢及其同位素分子电子碰撞激发到三重态然后发生解离反应，作者基于莫尔斯函数、弗兰克－康登原理，采用半经典的Gryzinski方法计算了这一反应截面。

By comparison, multivalent transition metal halides have the best catalytic activity to the Mg-based hydrogen storage materials.

比较发现，多价态过渡族金属卤化物对镁基储氢材料具有最好的催化作用。

The murkiness of the Dark River is caused by absorption of background starlight by dust, although the nebula contains mostly hydrogen and molecular gas.

黑暗之河的阴暗色是由于尘埃吸收背景的星光而产生的，尽管星云含有大部分氢和分子气体。

A new method for directly producing naphthol from naphthalene is studied in this paper,in which spinel-type magnesium ferrite is used as the catalyst and hydrogen peroxide as the oxidant.

研究了萘一步催化氧化合成萘酚的新方法，该法以具有尖晶石结构的铁酸镁为催化剂，过氧化氢为氧化剂。

Laminar burning, velocities, mass burning fluxes and Markstein lengths were obtained at various ratios of hydrogen to natural gas and equivalence ratios, and flame stability was analyzed and the stability tendency was estimated when flames grow to larger sizes.

在定容燃烧弹内研究了初始条件为常温常压的天然气－氢气－空气混合气火焰传播规律，得到了不同掺氢比例和燃空当量比下混合气的层流燃烧速率、质量燃烧流量和马克斯坦长度，结合火焰传播照片，分析了火焰的稳定性并预测了大尺寸火焰稳定性的演变趋势。

Laminar burning velocities, mass burning fluxes and Markstein lengths were obtained at various ratios of hydrogen to natural gas and equivalence ratios, and flame stability was analyzed and the stability tendency was estimated when flames grow to larger sizes.

在定容燃烧弹内研究了初始条件为常温常压的灭然气-氢气-空气混合气火焰传播规律，得到了不同掺氢比例和燃空当量比下混合气的层流燃烧速率、质量燃烧流量和马克斯坦长度，结合火焰传播照片，分析了火焰的稳定性并预测了大尺寸火焰稳定性的演变趋势。

It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951

这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。

In the article with emphasis has studied take FLUENT as thesoftware platform natural gas desulphurization catalysis modellingplan, in order to enable to include the hydrogen sulfide the naturalgas as far as possible evenly through the entire catalyst carrier,enhances the natural gas desulphurization catalysis transformationefficiency and the service life, has carried on the value simulationand the simulation to it optimizes, and carries on the contrast withthe former related conclusion.

文中重点研究了以FLUENT为软件平台天然气脱硫催化器的建模方案，为了使含有硫化氢的天然气尽可能均匀地通过整个催化剂载体，以提高天然气脱硫催化器转化效率和使用寿命，对其进行了数值模拟与仿真优化，并与以往的相关结论进行对比。

The color composite image includes eight hours of exposure time with an H-alpha filter, transmiting only the light from recombining hydrogen atoms in the expanding nebulosity and tracing the regions of shocked, glowing gas.

合成图上的色彩用H的α滤光片曝光了8小时，只吸收那些来自于云气中氢原子与电子复合而发出的光，指引我们探寻那些令人惊叹的生机勃勃的受激气体。

A solid basis of evidence underpinned her theory.

有利的证据基础支持她的理论。

Apoptosis was detected in both of the cell lines in the absence of folacin, but no necrosis was observed in this experiment.

实验组和对照组中，均未观察到细胞坏死，每种细胞均可看到凋亡细胞；HBL-100在实验组的P53突变型蛋白面积比对照组大（P.05），实验组P53mRNA阳性面积比对照组的大（P.05）。