it shows that self-made catalyst nahm has more higher dimethylamine selectivity than others.

1、

study on the synthesis of n, n-dimethylformamide from methyl formate and dimethylamine

甲酸甲酯与二甲胺合成二甲基甲酰胺的研究

互联网摘选

2、

study on the new technology for recovery of dimethylamine from dmf distillery wastewater in tannery factories

合成革厂DMF蒸馏废水中回收二甲胺的新工艺研究

互联网摘选

3、

determination of ammonia, dimethylamine and trimethylamine in the air by ion chromatography

离子色谱法同时测定空气中的氨、二甲胺、三甲胺

互联网摘选

4、

molecular sieve catalyst for high proportion dimethylamine

高比例二甲胺分子筛催化剂

互联网摘选

5、

the steam treated mordenite for selective catalytic synthesis of dimethylamine

用水蒸汽处理丝光沸石选择性催化合成二甲胺的研究

互联网摘选

6、

effect of pretreatment on catalytic performance of natural mordenite for the synthesis of dimethylamine

预处理对天然丝光沸石合成二甲胺催化性能的影响

互联网摘选

7、

preparation and reactivity of the catalysts for selective synthesis of dimethylamine

选择性合成二甲胺催化剂的制备和反应性能

互联网摘选

8、

effects of different elements on the performances of copper based catalysts for disproportionation of dimethylamine

铜基催化剂中助组分对二甲胺歧化性能的影响

互联网摘选

9、

catalyst and technology for synthesizing dimethylamine with high selectivity

高选择性合成二甲胺催化剂中试研究

互联网摘选

10、

treatment of the dimethylamine wastewater by complex extraction and ion-exchange

络合萃取法及离子交换法处理二甲胺废水的研究

互联网摘选

11、

chromatographic analysis for condensation products of acetic acid and dimethylamine

醋酸与二甲胺缩合产物的气相色谱分析

互联网摘选

12、

study of the synthetic method of alkyl dimethylamine oxide

十二烷基二甲基氧化叔胺合成方法的探索

互联网摘选

13、

study on the separation of low concentration dimethylamine from wastewater of synthetic leather industry

合成革工业废水中低浓度二甲胺的分离研究

互联网摘选

14、

influence factors of removal of dimethylamine from wastewater by air stripping

空气吹脱法脱除废水中二甲胺的影响因素研究

互联网摘选

15、

topics of study include the biology and psychology of aging, dependent care, public policy, and more.

学习的内容包括老年人的生理和心理，亲属照顾和公共政策等。

互联网摘选

16、

and to optimize the physical, emotional, developmental, and mental health status of children placed into dependent care.

和优化的身体，情感，发展和心理健康状况的儿童置于依赖护理。

互联网摘选

17、

proposes to increase the child and dependent care tax credit.

建议增加儿童和家属照管的税收优惠。

互联网摘选

18、

chartered association of certified accounts caca

合格会计师协会

互联网摘选

19、

please note the application of caca summer camp is due on april 26, 2008. contact vice principal ken yeh for registration.

请注意本周六四月二十六日，中美文化协会夏令营报名截止，请速洽本校副校长叶克章报名。

互联网摘选

20、

i always say that these " caca " cards are fertilizer for growth, so compost them.

我经常说那些「粪便」的牌其实正是成长的肥料，所以呢，就用它们来堆肥好了。

互联网摘选