1) anhydrous formic acid
无水甲酸
2) anhydrous p-toluene sulfonic acid
无水对甲苯磺酸钠
3) anhydrous sulfanilic acid
无水对甲基苯磺酸
4) anhydrous formaldehyde
无水甲醛
1.
Researches in synthesis of anhydrous formaldehyde via methanol dehydrogenation;
甲醇脱氢制无水甲醛的研究进展
2.
It was reviewed that various catalystes on effect of activity, seletivity and transformation rate of anhydrous formaldehyde whom methanol dehydrogened to preparate and existed problem was analysed.
综述了无水甲醛生产中催化剂的研究进展和工业化生产开发动态，以及各种催化剂对甲醇脱氢制甲醛的活性、选择性以及转化率的影响。
3.
Studies on supported silver catalysts of methanol dehydrogenation to anhydrous formaldehyde and the reaction mechanismThe formation of anhydrous formaldehyde by methanol dehydrogenation under the no-oxygen & catalytic conditions is studying by many reasearchers presently and the selection of catalyst plays a key role in the research process.
甲醇直接脱氢制备无水甲醛的负载银催化剂及其反应机理的研究在无氧及各种催化剂条件下利用甲醇直接脱氢进行无水甲醛的生产是目前研究较多的生产方案,其中对催化剂的选择是该方法研究的关键。
5) Water free formaldehyde
无水甲醛
1.
Catalytic dehydrogenation of methanol is a promising process of producing water free formaldehyde.
利用甲醇催化脱氢合成无水甲醛是一条新的工艺路线。
6) anhydrous methanol
无水甲醇
1.
Methods To adopt the water were determined by Karl Fisher Solution(pyridine-free),and anhydrous methanol:pyridine(1 ∶1)act solvent.
方法 采用不含吡啶的费休氏试液、以无水甲醇:吡啶 (1∶1)为溶剂测定依托红霉素颗粒的水分。
2.
To compare the effects of different solvents on the determination of water in erythromycin and explain why anhydrous methanol solvent makes the experiment result higher, Karl Fisher method is used to determine the water in erythromycin , with anhydrous methanol as solvent or anhydrous pyridine .
为了比较不同溶剂对红霉素水分测定的影响,说明以无水甲醇为溶剂结果偏高的原因,分别以无水甲醇或无水吡啶为溶剂,采用卡尔·费休氏法,测定了红霉素碱原料的水分,并与干燥失重法进行比较。
补充资料：地下水水资源评价(见水资源评价)
地下水水资源评价(见水资源评价)
d ixiashui shuiziyuan Ping】ia地下水水资源评价见水资源评价。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条