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- The applications and synthetic methods of 2,2 - dimethoxy propane from different materials including methylacetylene and methanol , acetone and methanol, trimethyl orthoformate and acetone, acetone ketal of polyhy-dric alcohol and methanol were reviewed. 綜述了采用不同原料即丙炔和甲醇、丙酮和甲醇、原甲酸三甲酯和丙酮、丙酮縮多元醇與甲醇合成2,2-二甲氧基丙烷的方法及其應用。
- dimethoxy propane 二甲氧基丙烷
- Propane may also be used as LPG. 丙烷也可用作液化石油氣。
- How come we've been using propane, and nobody knew? 為什么我們實(shí)際上已經(jīng)在使用丙烷，但是確沒(méi)人知道?
- If you use green gas, you're already using propane. 如果你已經(jīng)在用綠氣了，實(shí)際上你已經(jīng)在用丙烷了。
- So it's really propane? How can you be sure? 那么你怎么確定它就是丙烷的呢?
- By itself, propane has very little smell. 而丙烷本身的味道很小。
- Available in R22, R497C and R290 (propane). 可在r22的，r497c和r290的（丙烷）。
- Photoelectric had a synergistic effect on the degradation of DMP. 實(shí)驗證明本體系中光電之間具有協(xié)同作用。
- A DMP is a way to pay off your debt and save on interest and fees. 譬如：上海銀行推出了免息的“享受生活”金卡(金卡)。
- DMP, a portable music player that supports CD and MP3 files. 它是一個(gè)便攜的音樂(lè )播放器同時(shí)可以支持CD和MP3。
- The yield of dimethoxy methyl aceto acetate can be reached 55.3 %. 二甲氧基乙酰乙酸甲酯的收率可達53.;3%25。
- So, why should I fill my gun with propane instead of green gas? 那么為什么我要用丙烷來(lái)替代綠氣?
- And this is what happens when lightning hits a propane tank. 當閃電擊中丙烷氣罐，就發(fā)生（看到的）情景。
- How come green gas smells different than fuel propane? 為什么綠氣聞起來(lái)和燃料丙烷不同?
- You should specify the dmp file's absolute path. Maybe in the file= option. 這個(gè)我寫(xiě)的絕對路徑也是沒(méi)有問(wèn)題的阿！
- If you use green gas, you are already using propane. 如果你已經(jīng)在用綠氣了，實(shí)際上你已經(jīng)在用丙烷了。
- Its main components include propane, butane and butylene. 主要成份是丙烷、丁烷、丁烯等。
- The situation of hydrogen production from propane is summarized. 摘要綜述了丙烷催化轉化制氫的國內外發(fā)展狀況。
- Propane and other gases are sometimes used on smaller sizes. 小范圍的加熱有時(shí)也可以采用丙烷或其他氣體。
