technical and economical assessment of dimethyl ether production from natural gas

production technology and development prospect of clean fuel dimethyl ether

清洁燃料二甲醚的生产技术和发展前景

present situation of dimethyl ether process technology and its industrialization prospect in china

我国二甲醚工艺技术现状及工业化前景

an analysis of the characteristics and domestic application prospects of dimethyl ether

二甲醚的物化特性和国内应用前景分析

technical and economic analysis of some dimethyl ether production technologies

几种二甲醚合成工艺的技术经济分析

production, application and development of downstream products of dimethyl ether

二甲醚的生产、应用及下游产品的开发

development and application of dimethyl ether as novel clean energy resource

新型清洁能源二甲醚的开发和应用

study on the simulation of electronic control unit pump using dimethyl ether

电控单体泵上应用二甲醚的模拟计算研究

xia zhi xing: you must not speak malicious remarks of brother shisan.

夏之星：不准你说十三哥的坏话。

we solemnly request cnn and cafferty to take back the malicious remarks and apologize to all the chinese people.

我们严正要求CNN和卡弗蒂本人收回其恶劣言论，向全体中国人民道歉。

"thank you, just true embarrassed. " she slightly takes to maladroit ugg tall shily say to me.

“谢谢你啊，刚才真不好意思。”她略带羞涩的对我说。

do you know? i love the bud, bursting forth cautionouly with the fragrance blossoming shily.

你知道吗？我那爱的幼芽，在战战兢兢萌发，带着清香，羞涩地开花……

shily xiao, a local-government employee, arrived in a battered compact car to pay off her credit-card bill.

当地政府的一位职员ShilyXiao开着一辆破烂的小汽车来付她的信用卡帐单。

the synthesis of 1,1,1-tris { [ ( 2 ′-benzylaminoformyl) phenoxyl] methyl}-p-toluene sulfonyl aminomethane and the luminescent properties of its rare earth complexes

1,1,1-三[（2′-甲酰苄胺苯氧）甲基]对甲苯磺酰氨基甲烷的合成及其稀土配合物的荧光性质

the reaction heat of trihydroxymethyl-aminomethane ( tris), as a calorimetric standard substance, and hydrochloric acid was determined with an accuracy of ± 0.2%.

利用本热量计测定量热基准物质三羟甲基氨基甲烷（Tris）和盐酸的反应热，实验结果与文献值一致，精度为±0.2%。

dimethyl aminomethane diphosphonic acid n-oxide ( dmmpo) was synthesized by dmmp and hydrogen peroxide.

以二甲基氨基甲叉二膦酸（DMMP）为原料，双氧水为氧化剂合成二甲基氨基甲叉二膦酸氮氧化物（DMMPO）。

tri ( hydroxymethyl) aminomethane arsenate single crystal

三羟甲基氨基甲烷砷酸盐单晶的研究

the infrared spectra of tris ( hydroxymethyl) aminomethane ( tam) in the range 4000~ 450 cm-1 were measured from 20 ℃ to 140 ℃.

在4000～450cm-1波段范围内测定了三羟甲基甲胺（TAM）在20～140℃的红外光谱。

admiral mike mullen spoke at a senate hearing;

麦克·马伦上将在参议院听证会上发表讲话。

i sleep for the first six or seven hours and then work for 12 hours straight on the plane, says mr mullen.

在飞机上，我先睡6到7个小时，然后连续工作12个小时，马伦说。

admiral mike mullen says he found more progress on security than he had expected when he visited iraq last week.

美国参谋长联席会议主席麦克·马伦海军上将说，他上星期访问伊拉克时发现，那里在安全方面取得的进展比他预期的多。