1.
sulphuric anhydride
三氧化硫, 硫(酸)酐
2.
A corrosive solution of sulfur trioxide in sulfuric acid.
发烟硫酸含三氧化硫酸的一种腐蚀性溶液
3.
The Art Conditions and Kinetic Study for Sulphonation Toluene by Gaseous Sulfur Trioxide;
甲苯气相三氧化硫磺化工艺条件及动力学研究
4.
Present situation and development trends of Chinese sulfur trioxide sulfonation set;
我国三氧化硫磺化装置现状及发展趋势
5.
Content Determination of Magnesia,Sulfur Anhydride and Alkali in Cement
水泥中有害成分氧化镁、三氧化硫及碱含量的检测控制要点
6.
Phosphate rock and concentrate--Determination of sulfur trioxide content--Gravimetric method
GB/T1880-1995磷矿石和磷精矿中三氧化硫含量的测定重量法
7.
Determination of SO_3 content in WPA and reactor slurry by thermosensitive titrimetric method
热敏滴定法测定湿法磷酸反应料浆及磷酸中三氧化硫含量的研究
8.
ICP-AES Determination of SO_3 in Cement
电感耦合等离子体原子发射光谱法快速测定水泥中三氧化硫
9.
sulphurous anhydride [ oxide ]
二氧化硫, 亚硫酐
10.
Synthesis of Aryl Sulphoxides by Oxidiging Aryl Sulfides with Trichloroisocyanur ic Acid;
三氯异三聚氰酸氧化芳基硫醚合成芳基亚砜
11.
Physiological Characteristics and Phylogeny of Three Sulfur-Oxidizing Bacteria (SOB) Strains;
三株硫氧化细菌（SOB）的生理生化及系统发育研究
12.
Ultrasound enhanced catalytic oxidative deep desulfurization of diesel with H_2O_2-trichloroacetic acid
超声强化过氧化氢/三氯乙酸催化氧化柴油深度脱硫研究
13.
Preparation of Hausmannite by Manganese Sulphate and the Kinerics of Its Thermal Decomposition;
硫酸锰制备四氧化三锰及其热解动力学研究
14.
The Aqueous Phase Synthetic Methods for Bis-(Triethoxysilylpropyl)-Tetrasulfide;
双-[γ-（三乙氧基硅）丙基]四硫化物的水相合成
15.
A Study on Preparation of Mn_3O_4 by Oxidizing Hydrolysis of Manganese Sulfate with Air in Ammonia Alkalescence Media
硫酸锰在氨性介质中制备四氧化三锰的研究
16.
Study on the Inner Circulation Three-phase Aerobic Bio-fluidized Bed for Desulphurization of Wastewater
内循环三相好氧流化床用于废水脱硫研究
17.
Experimental Study in Pretreatment of High-sulfur and High-arsenic Refractory Gold Concentrate by Ozone and Ferric Chloride
臭氧和三氯化铁氧化高硫高砷难浸金精矿的预处理试验研究
18.
Oxidative Desulphurization in Hydrogen Peroxide/Formic Acid/Sulfuric Acid System
过氧化氢/甲酸/硫酸体系氧化脱硫研究