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- The non oxygen aromatization feature of methane on Co Mo/HZSM 5 catalyst was investigated. The effect of catayst surface structure on methane aromatization was characterized by using NH 3 TPD and XRD. 考察了Co-Mo/HZSM-5 催化剂的甲烷无氧芳构化性能, 并用NH3 -TPD和XRD方法表征了其表面结构对于甲烷芳构化的影响。
- Described in this paper is the method of calculating the oxygen flux through a crucible outlet section during the study of pulverized coal combustion characteristics with the use of a thermobalance. 采用以热天平研究煤粉燃烧特性时通过坩埚出口截面氧通量的计算方法,对织金煤焦燃烧特性曲线的分析计算,得试样燃烧所需氧气以扩散传质方式经坩埚出口截面传递到试样层表面,并对该计算方法进行了分析。
- Keywords general anesthesia;Enflurane;oxygen flux; 全身麻醉;恩氟烷;氧流量;
- Keywords Low oxygen flux;Extracorporeal circulation;Cardiac troponin I; 低氧流量;体外循环;心肌肌钙蛋白I;
- Water contains hydrogen and oxygen. 水含有氢和氧。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- Mars is too dry and poor in oxygen. 火星上面过于干燥,并且缺乏氧气。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- All things are in a state of flux. 万物都在不断地变动。
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- Organization of the company was then in a state of flux. 当时公司的编制正处于不稳定状态。
- He was declared persona non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- The oxygen workshop caught fire and set off a chain of explosions. 氧气车间着了火,引起了一连串的爆炸。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。