| 1. | Butanes and butenes can be maintained in the liquid states at ambient temperature under quite moderate pressure .
在适当的大气压力及常温下，丁烷和丁烯均可保持液体状态。
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| 2. | Isobutane alkylation with butene on s o24 - zro2 superacid catalysts
2固体超强酸催化剂上异丁烷与丁烯烷基化的研究
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| 3. | 05 . 01 test methods for traces of volatile chlorides in butane - butene mixtures
丁烷-丁烯混合物中挥发性氯化物痕量测试方法
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| 4. | Standard test methods for traces of volatile chlorides in butane - butene mixtures
丁烷丁烯混合物中挥发性氯化物的痕量测试方法
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| 5. | Liquefied petroleum gases ; propane , propene , butane , butene and their mixtures ; requirements
液化石油气.丙烷丙烯丁烷丁烯及其混合物.要求
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| 6. | Duplication of bands in this region is also shown by trifluoropropyne and perfluoro2 - butene
三氟丙炔和全氟丁烯- 2在这个区域也出现双重谱带。
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| 7. | 1 - butene for industrial use - determination of trace propadiene adn propyne - gas chromatographic method
工业用1 -丁烯中微量丙二烯及丙炔的测定气相色谱法
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| 8. | 1 - butene for industrial use - determination of purity and hydrocarbon impurities - gas chromatographic method
工业用1 -丁烯纯度及烃类杂质的测定气相色谱法
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| 9. | 1 - butene for industrial use - determination of trace methanol and methyl tert - butyl ether - gas chromatographic method
工业用1 -丁烯中微量甲醇和甲基叔丁基醚的测定气相色谱法
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| 10. | From four parts , the paper expounds upon the feature of the new process and the plant arrangement , and discussed emphatically the procedure of manufacturing 1 - hexene from 2 - butene isomerazation reaction & 1 - butene automethathesis and hexene isomerazation reaction
摘要论述了天津石化乙烯回收新技术扩大中试装置的工艺特点、新工艺的主要流程和设备布置的设计方法。
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