1.
ferric oxide
三氧化二铁, 氧化铁
2.
sulphuric anhydride
三氧化硫, 硫(酸)酐
3.
An oxide containing three oxygen atoms per molecule
三氧化物每个分子中含有三个氧原子的氧化物
4.
Synthesis of 1,2,3-phenyltrioxyl tri by phase-transfer catalysis
1,2,3-苯三氧基三乙酸的相转移催化合成
5.
Enhancement of Photo(Electro) Catalytic Activity of Tungsten Trioxide and Titania;
提高三氧化钨和二氧化钛光（电）催化活性的研究
6.
Study on Reactions between Hydrogen Chloride and Oxygen Carrier Fe_2O_3
载氧体三氧化二铁与氯化氢作用规律研究
7.
Synthesis of Tri-(tribromobenoxyl) -triazine with Eliminating Hydrochloride in Solvent
氯化氢脱除法合成三-(三溴苯氧基)-三嗪
8.
benzyltrimethylammonium hydroxide
苄基三甲基氢氧化铵
9.
deoxyribonucleoside triphosphate
脱氧（核糖）核苷三磷酸
10.
trimethylvinylammonium hydroxide
三甲基乙烯基氢氧化铵
11.
dibutoxy triethylene glycol
二丁氧基三乙烯甘醇
12.
2,4,5-trichlorophenoxyacetic acid
２,４,５－三氯苯氧基乙酸
13.
epoxy propyl-trimethyl ammonium chloride
环氧丙基三甲基氯化铵
14.
ethoxy glycerol sulfonate
乙氧基丙三醇磺酸盐
15.
hexamethoxymethyl melamine
六甲氧甲基三聚氰胺
16.
Oxidative Aromatization of 1,3,5-Trisubstituted Pyrazolines with Nitric Oxide
一氧化氮氧化芳构化1,3,5-三取代吡唑啉
17.
Sanjiaodai rubber production, sales zinc oxide, magnesium oxide, and other chemical raw materials.
生产橡胶三角带，销售氧化锌，氧化镁等化工原料。
18.
There are three main groups of exercises: aerobic exercises, callisthenics and anaerobic exercises.
主要有三种运动：有氧运动、体操和无氧运动。