您要查找的是不是：
- Keywords sulphur trioxide;sulphonation;methybenzene;P - toluene sulfonic acid; 三氧化硫;磺化;甲苯;对甲苯磺酸;
- Abstract: The sulfonation of linear heptane with sulphur trioxide (L) in the solvent of 1,2-dichloroethane is studied. 文摘:研究了庚烷与三氧化硫在1，2-二氯乙烷溶剂下的磺化反应。
- The direct reaction between sulphur dioxide and oxygen to give sulphur trioxide is slow and requires a catalyst. 二氧化硫与氧气直接反应生成三氧化硫是很慢的，且需要催化剂。
- It is the best process that aminosulphonic arid was manufaitured from Uuea. gas Sulphur trioxide and 98 % Sulphruicl arid. 生产氨基磺酸的最佳工艺路线是以尿素、气体三氧化硫和98%25的浓硫酸为原料的气液相法。
- Keywords Injection enthalpimetric method;sulphur trioxide;phosphoric acid; 注入热焓法;三氧化硫;萃取磷酸;
- Keywords sodium m-aminobenzene sulfonate;sulphur trioxide;sulfonation agent; 间氨基苯磺酸钠;三氧化硫;磺化剂;
- Keywords jet loop reactor;toulene;sulphur trioxide;sulphonation;toluene sulphonic acid; 喷射环流反应器;甲苯;三氧化硫;磺化;甲苯磺酸;
- Keywords Flow injection analysis;enthalpimetry;sulphur trioxide;phosphoric acid; 流动注射分析;热焓法;三氧化硫;浸取磷酸;
- Keywords sulphur;catalytic polarography;tellurium; 硫磺;催化极谱法;碲;
- Keywords sulphur monochloride;synthesis;application; 一氯化硫;合成;应用;
- Keywords sulphur concentrate;cyaniding;pretreatment;leaching rate; 硫精矿;氰化法提金;预处理;浸出率;
- Keywords sulphur concentrate;desliming;process flow modification; 硫精矿;脱泥;工艺流程改造;
- Keywords sulphur;trace;visigraph polarography;water specimen; 硫;痕量;示波极谱;水样;
- Keywords Sulphur dioxide;Stale flavor;Antioxide;Carbonyles-sulfite; 二氧化硫;羰基化合物;啤酒风味老化;啤酒抗氧化;
- Keywords sulphur dioxide;potentiometric titration;iodometry; 电位滴定法;直接碘量法;
- Separation of sulphur trioxide aerosols with the new electrostatic precipitator "CAROLA" 用新型静电沉降器“CAROLA”分离SO_3气溶胶
- Keywords Sulphur;content;decrease;medium carbon ferrochromium;converter; 硫;含量;降低;中碳铬铁;转炉;
- Keywords sulphur recovery;main burning furnace;tail gas incinerator;design; 硫磺回收;主燃烧炉;尾气焚烧炉;设计;
- Keywords sulphur bacteria;sulfidation supply;untrient;concentration; 硫化细菌;硫化作用;营养物;浓度;
- sulphur trioxide 硫酐
