您要查找的是不是：
- A new separation and liquefaction of hydrogen at the same time by means of a new cryogenic separation method was presented. 提出采用新的低温分离法将焦炉气中的氢分离并同时液化,及分区液化和分段加压模型。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- A molecule of water consists of two atoms of hydrogen and one atom of oxygen. 水分子含有两个氢原子和一个氧原子。
- Water is a compound of hydrogen and oxygen. 水是氢和氧的化合物。
- For differentiating bacteria based on liquefaction of gelation. 供鉴别细菌液化明胶用。
- Atoms of hydrogen are fused to make helium. 氢原子可熔合成氦。
- Water,you know,is made up of hydrogen and oxygen. 你知道，水是由氢和氧构成的。
- Water is formed of hydrogen and oxygen. 水由氢氧构成。
- Water is made up of hydrogen and oxygen. 水是由氢和氧两种元素组成的。
- Water consists of hydrogen and oxygen. 水由氢和氧组成。
- Water is made up of atoms of hydrogen and oxygen. 水是氢和氧的原子构成的。
- The problem was one of liquefaction of the sandy soil. 问题是沙质土壤的液化作用。
- It has studied the action of hydrogen peroxide on nitrous acid. 它研究了过氧化氢对亚硝酸的作用。
- Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water. 两个氢原子和一个氧原子结合而成一个水分子。
- STUDY ON IMPROVING THE PERFORMANCE OF HYDROGENATION LIQUEFACTION OF COAL SWELLED WITH SOLVENT UNDER THE RADIATION OF ULTRASONIC WAVE 超声波辐射下溶胀改善煤液化性能的研究
- The situation of hydrogen production from propane is summarized. 摘要综述了丙烷催化转化制氢的国内外发展状况。
- The most abundant isotope of hydrogen, H1, with atomic mass1. 氘氢的数量最丰富的一种同位素，H1，原子质量为1
- This paper describes the toxicity and harm of hydrogen arsenide. 这篇文章介绍了砷化氢的毒性及危害性。
- Determination of hydrogen peroxide content.Titrimetric method. 英文名称： Hydrogen peroxide for industrial use.
- In this paper, earthquake liquefaction of north anchorage of the bridge was analysed qualitatively and quantitatively. 是目前国内跨径最长的桥梁; 本文分别从定性与定量的角度对该桥北岸锚碇地震液化进行了分析,旨在与工程界同仁共商。
