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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. 综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、丙酮缩多元醇与甲醇合成2,2-二甲氧基丙烷的方法及其应用。
- 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气。
- How come we've been using propane, and nobody knew? 为什么我们实际上已经在使用丙烷，但是确没人知道?
- If you use green gas, you're already using propane. 如果你已经在用绿气了，实际上你已经在用丙烷了。
- So it's really propane? How can you be sure? 那么你怎么确定它就是丙烷的呢?
- 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）。
- 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达53.;3%25。
- So, why should I fill my gun with propane instead of green gas? 那么为什么我要用丙烷来替代绿气?
- And this is what happens when lightning hits a propane tank. 当闪电击中丙烷气罐，就发生（看到的）情景。
- How come green gas smells different than fuel propane? 为什么绿气闻起来和燃料丙烷不同?
- If you use green gas, you are already using propane. 如果你已经在用绿气了，实际上你已经在用丙烷了。
- 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. 摘要综述了丙烷催化转化制氢的国内外发展状况。
- Propane and other gases are sometimes used on smaller sizes. 小范围的加热有时也可以采用丙烷或其他气体。
- Its main components include propane, butane and butylene . 主要成份是丙烷、丁烷、丁烯等。
- Combustion systems can fire on natural gas or propane. 燃烧系统可使用天然气或丙烷。
- Fuel propane is scented with mercaptan odourants for leak detection. 燃料丙烷通常添加硫醇这种刺激性的物质用于泄漏检测。
- With cyclohexyl methyl dimethoxy silane(CHMMS) as external donor,isotacticity of polymer turned to be more adjustable. 结果表明,使用环己基-甲基-二甲氧基硅烷,聚合物的等规度可调性好;
