The chemical formula for water is H 2 O.
水的化学分子式是H2O.
《简明英汉词典》
In mice the H - 2 isoantigens are the strongest histocompatibility antigens.
小鼠中的H -2 同种抗原是最强的组织相容性抗原.
辞典例句
H 2 O absorption is predominant in the troposphere, particularly the lower troposphere.
H2O吸收在对流层, 特别在对流层下部起着主要作用.
辞典例句
A system composed of the nearly immiscible liquids H 2 O and CCL 4 has two phases.
由几乎不相容的液体H2O和CCL4组成的体系具有二相.
辞典例句
H 2 SO 4 is at least 100 times as lethal as SO 2 in guinea pigs.
在豚鼠中,硫酸致死性至少为二氧化硫致死性的一百倍.
辞典例句
Glyoxylic acid was rapidly synthesized by catalytic oxidation of glyoxal with H 2 O 2.
在催化剂存在下,用双氧水氧化乙二醛溶液快速合成了乙醛酸.
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It offers several parameters to adjust for entrainment of sulfur or H 2 S.
他提供了几个参数来调整硫磺和H2S的夹带情况.
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Significant amounts of C 4 H 2 are also generated in these 20 bar experiments.
重要量的C4H2也在这些被产生20除实验之外.
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If nothing else, H 2 O 2 does effectively break up ear wax.
就算没什么别的效果, 双氧水在分解耳垢方面也很有效.
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When the atmospheric condition is bad, forecast the range of H 2 S.
不利气象条件下H2S的扩散浓度范围.
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The principal , circuit and software design of Smart H 2 S sensor was introduced.
介绍了智能化硫化氢气体传感器的工作原理和硬件电路设计、软件设计的方法.
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The supramolecular complex [ ( C 36 H 36 N 24 O 12 ) ErNa ( NO 3 ) C 14 H 2 O ] ( NO 3 ) 2·5 H 2 O was detected by X - ray diffraction analysis.
本文合成了化合物 [ ( C36H36N24O12 ) ErNa ( NO3 ) Cl·4H2O ] ( NO3 ) 2·5H2O,利用 X 射线衍射法测定了单晶结构.
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Strengthened basic and systematic research on H 2 S corrosion is suggested.
最后,指出了应加强H2S腐蚀的基础性和系统性研究的研究方向.
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The stark effect in SRS of C 2 H 2 has been investigated.
本文研究了C2H2分子受激Raman光谱(SRS)中的光学斯塔克(Stark) 效应,同时还研究了激光功率以及单一转动态量子数J与Stark效应的关系.
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An H 2 O atom can be split into hydrogen and oxygen.
水原子可分解为氢和氧.
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