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- Liquefied petroleum gases, such as propane and butane, have not been included as they are too numerous to mention. 由于它们数量众多，无法一一提及，液化石油气体，如丙烷和丁烷没有包括在这里。
- The torch itself runs on a 40/60 mix of propane and butane, making it similar in impact to a patio heater. 火炬本身消耗按照40/60比例混合的丙烷和丁烷，这使得它的影响等同于一个 室外取暖器。
- Liquefied petroleum gases, such as propane and butane , have not been included as they are too numerous to mention. 由于它们数量众多，无法一一提及，液化石油气体，如丙烷和丁烷没有包括在这里。
- Taking propane and butane storage for example, it states that the pressure of underground water must be higher than that of the product stored. 以储丙烷、丁烷为例,说明地下水压力必须大于储品压力。
- Keywords propane and butane;production;environmental refrigerant;technique design; 丙丁烷;生产;环保制冷剂;工艺设计;
- Butane and butylenes has the same characteristic with propane and propylene. 丁烯与丁烷表现出与丙烯、丙烷相似的特性。
- propane and butane 丙丁烷
- 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。
- It is mainly the butylene in the C4 hydrocarbons that undergoes catalytic reactions over the FCC catalyst and butane is hard to convert. 在C4烃类催化转化过程中，丁烯是主要的反应物，而丁烷几乎不反应；
- Its main components include propane, butane and butylene . 主要成份是丙烷、丁烷、丁烯等。
- Rising temperature can greatly increase the conversion of propane and then the yield of propene. 升高温度虽然能极大的提高丙烷的转化率从而增加丙烯的收率。
- Kaleskas, E.W., 1971, “ WPI Group Uses Propane and Catalytic Converter to Produce Clean-Burning Vehicle ”. 秦志南;1996;“液化石油气与汽油双燃料系统引擎之研究”;国立台湾大学机械工程研究所硕士论文.
- In recent years, N-formylmorpholine( NFM) and its mixture are gradually used as solvent in industry to separate n-butene and butane by extractive distillation. 近年来,利用N-甲酰吗啉(NFM)及其混合溶剂萃取精馏分离正丁烯与丁烷的工艺逐渐得到工业应用。
- The deactivation also caused the selectivity of both propane and propylene decreased. 而失活使丙烯、丙烷的选择性下降。
- The first vehicle packed with gasoline, propane and nails was discovered this morning in the city's bustling nightclub and theater district. 今晨被发现的第一辆车里携带着汽油，化学炳和钉子，当时是停靠在熙熙攘攘的夜总会和影院地区的。
- The modified nickel-supported catalysts possess good reaction performance, conversion of propane and carbon dioxide as well as yield of hydrogen. 采用稀土改性的氧化铝负载的镍催化剂显示出较好的催化活性，比氧化铝负载的贵金属催化剂有更好的丙烷二氧化碳转化率和氢气收率。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- She and I can't live under the same roof. 她和我不能住在一起。
