氢 - 关于氢的双语例句 - 氢造句 - 语文书

为您找到254个与“氢”相关的双语例句：

Using tendo - tetrahydrodicyclopentadiene as raw material and AlCl _ 3 - trace water system as catalyst, adamantane was synthesized by two steps.
以AlC l3微量水的催化体系研究了桥式四氢双环戊二烯通过两步法反应合成金刚烷.
Water, acrylonitrile and the galactomannan gum are added to a reactor with an alkali metal hydroxide.
水、丙烯晴和半乳甘露聚糖胶,同碱金属氢氧化物在一起,加入到反应器中.
Acetanilide and hexane diacid, potassium hydrogen phthalate could improve PVC crystallinity.
乙酰苯胺、己二酸和邻苯二甲酸氢钾可以使PVC结晶度增大.
Alcohol dehydrogenase An enzyme that converts ethanol into acetaldehyde ( ethanal ).
醇脱氢酶:把乙醇转化为乙醛的酶.
During alcoholic fermentation acetaldehyde acts as a hydrogen acceptor instead of oxygen.
在这个过程中乙醛取代了氧作为氢的受体.
...one level teaspoon of sodium bicarbonate powder.
一平茶匙碳酸氢钠粉末
...the hydrogen bonds between water molecules.
水分子间的氢键
In May engineers found a leak in a hydrogen fuel line.
5月份工程师们在一条氢燃料管线上发现一条裂隙。
...tritium, a radioactive isotope of hydrogen.
氢的放射性同位素氚
...aluminium hydrate.
氢氧化铝
A hydrogen leak forced NASA to ground the space shuttle.
氢气泄漏迫使美国国家航空航天局停止了航天飞机的发射。
pH is a measure of the concentration of free hydrogen atoms in a solution...
pH值是测试溶液中自由氢原子浓度的单位。
They'd have a lot of hydrogen sulfide gas bound up in their cells.
他们的牢房里有大量的硫化氢气体。
A methane molecule is composed of one carbon atom attached to four hydrogens.
甲烷分子由1个碳原子与4个氢原子构成。