查询词典 hydrogen fluoride

normal grade of accuracy：正常准确度等级

正常发射率 normal emissivity | 正常准确度等级 normal grade of accuracy | 正常氢温标 normal hydrogen scale

3-Amino Acetophenone：3-氨基苯乙酮

过氧化氢 Hydrogen Per Oxide | 3-氨基苯乙酮 3-Amino Acetophenone | 活性炭 activated carbon

acetylide：炔化物

Alkyen 炔 | Acetylide 炔化物 | Active hydrogen compounds 活泼氢化合物

airship：飞艇

事实上,人类最开始设计的飞艇(Airship)也真象是气球,到第一次世界大战期间才逐渐成了上面图中的样子. 这种飞艇技术的一个关键条件是必须使用比空气轻的气体. 可供选择的有氢气(hydrogen)和氦气(helium). 氢气比氦气要轻也便宜,

alkali：碱,强碱

hydrogen sulfide 氢化硫 | alkali 碱,强碱 | ammonia 氨

ammonium alum：铵矾

"铵","ammonium" | "铵矾","ammonium alum" | "碳酸氢铵","ammonium bicarbonate; ammonium hydrogen carbonate"

alumina ,aluminum oxide：氧化铝

铝锭Aluminum Ingot | 氧化铝 alumina ,aluminum oxide | 氢氧化铝 Hydrogen alumina

In this ambrosial merry-go-round they will gaze：神的佳肴如此芬美芳香 令人愉悦

Floating upon the quiet hydrogen lakes 漂浮在如此寂... | In this ambrosial merry-go-round they will gaze 神的佳肴如此芬美芳香 令人愉悦 | Ephemeral life touched by a billion-year show 亿万年的久远时光 震...

In this ambrosial merry-go-round they will gaze：惊讶于不停围绕的芬芳

Floating upon the quiet hydrogen lakes 漂浮在寂静的湖上 | In this ambrosial merry-go-round they will gaze 惊讶于不停围绕的芬芳 | Ephemeral life touched by a billion-year show 短暂的生命被亿万年的时光...

amino acid：氨基酸

Stanley Miller) 进行了一项研究,他模拟地球初期的条件,将甲烷 (methane) 、氨 (ammonia) 、氢 (hydrogen) 和水混合,通过电流,成功产生了几种复杂的有机化合物 (organic compounds) 氨基酸 (amino acid) ,这些氨基酸是组成生命的成分;

Permanently mounted to American-made 3/4" hose bibb：永久安装在美国制造的3 / 4 "软管比伯

Features: 特点: | Permanently mounted to American-made 3/4" hose bibb永久安装在美国制造的3 / 4 "软管比伯 | Editorial Review: 编辑审查:

Exhale ,forward：呼,前屈

Bend your knees,inhale,reach up to utkatasana;屈膝,吸,双臂上举,幻椅式 | Exhale ,forward; 呼,前屈 | inhale, lift your spine, hands connected; 吸,伸展脊柱,手连接(地面或小腿)