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Keywords coke;heavy oil;residue;co-gasifying;light olefin; 焦炭;重质油;渣油;共气化;低碳烯烃;
Light olefins for industrial use. Determination of impurities by gas chromatography. General considerations. 工业用轻烯烃。用气相色谱法测定杂质的含量。一般考虑。
Light olefins for industrial use. Determination of ammonia. Spectrophotometric method. 工业用轻烯烃。氨含量的测定。
The way of fixed carbon dioxide hydrogenated to synthesize light olefins had good prospect. 二氧化碳催化合成低碳烯烃是二氧化碳固定最有前景的方法之一。
I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
The above results show that the coke and heavy oil co-gasifying process to produce light olefins and synthesis gas together has no coking problem. 实验模拟结果证明，焦炭与重质油共气化技术可以制备低碳烯烃并联产合成气，且能有效地解决重质油裂解造成的结焦问题。
On the basis of FCC techniques, a series of new technologies and special catalysts for the production of light olefins from heavy oils were researched and developed. 阐述用重质油作原料,以流化催化裂化技术为基础,研究开发出的一系列生产轻质烯烃的新的工艺技术及专用催化剂。
Deep Catalytic Cracking(DCC) is a commercially proven fluidized catalytic process for selectively cracking a variety of hydrocarbon feeds to light olefins. 深度催化裂解技术（DCC技术）是一项选择性地催化裂解各种不同的重油原料，生产低分子烯烃的新技术。
In views of the supplement and demand contradiction of light olefins,and the utilizing problems of heavy oil in China,coke and heavy oil co-gasifying process was proposed. 针对中国乙烯、丙烯等低碳烯烃生产原料供需日益尖锐的矛盾和重质油利用技术的不足,提出焦炭与重质油共气化联产烯烃技术。
The technical progress of producing light olefins by natural gas was reviewed.And catalysts and technical routes of OCM and GSTO and GSMTO were introduced detailedly. 对当前低碳烯烃技术发展进行了简要介绍,并具体介绍了天然气甲烷氧化偶联制乙烯、合成气直接制乙烯和合成气经甲醇制乙烯技术的催化剂及工艺路线研究情况。
In the downer reactor olefins in gasoline could be converted to light olefins(LPG-range) and liquid products containing less olefins but much more aromatics. 实验结果表明,在下行床反应器中,催化裂化汽油中的烯烃能显著降低,主要转化为低碳烯烃产品,同时得到富含芳烃的液体产品,副产干气和焦炭量很低。
The conversion of fluid catalytic cracking (FCC) gasoline to light olefins and high octane number gasoline was investigated on a fixed-bed micro-reactor. 摘要用流化催化裂化汽油生产低碳烯烃联产高辛烷值汽油可以在相对较温和的条件下进行。
The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
A red light is usually a signal of danger. 红灯通常是危险的信号。
Now I begin to see light on their good intentions. 现在我对他们的良好动机开始有所领会了。
The bright light of the car dazzled me. 这汽车的灯光使我目眩。
He turned off the dash light and drove on. 他关掉仪表板上的灯，继续驱车前进。
The light was diffused by the leaves. 树叶使光线漫射。
I grope for the light switch in the dark room. 我在黑洞洞的屋里摸索著寻找电灯开关。
The light bulb in the kitchen burnt out. 厨房里的电灯泡烧坏了。