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利用化学反应
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  utilization of chemical reaction
     (2) full utilization of chemical reaction heat and increment of vapour pressure of industrial and waste boilers;
     2.充分利用化学反应热,提高自备工业锅炉和废锅发汽压力;
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  “利用化学反应”译为未确定词的双语例句
     Smelting alloy steel with scheelite, molybdenum oxide and vanadium slag substituting for ferrotungsten, ferromolybdenum and ferrovanadium is calculated and analyzed by thermodynamics data of chemical reaction.
     利用化学反应热力学数据对以白钨矿代替钨铁、氧化钼代替钼铁、钒渣代替钒铁直接冶炼合金钢的热力学过程进行了分析,结果表明:利用白钨矿、氧化钼、钒渣直接合金化生产合金钢的工艺是可行的。
短句来源
     This is the first experimental evidence about the excited NI(b1Σ+) generation through chemical reaction in gas phase, and the highest vibrational level detected is v'=6.
     这是利用化学反应直接产生激发态NI(b1Σ+)的首次报道,观察到的激发态最高振动能级为v'=6.
短句来源
     The thermodynamics on smelting W_3Mo_2Cr_4VSi steel with scheelite,molybdenum oxide and vanadium slag is analyzed and calculated by thermodynamics data of chemical reaction. The results show that direct alloying with MoO_3,CaWO_4 and vanadium slag for smelting W_3Mo_2Cr_4VSi steel is possible.
     利用化学反应热力学数据对以白钨矿代替钨铁、氧化钼代替钼铁、钒渣代替钒铁直接冶炼W3 Mo2 Cr4VSi的热力学过程进行了分析和计算,结果表明:利用白钨矿、氧化钼、钒渣直接合金化生产W3 Mo2 Cr4VSi钢的工艺是可行的。
短句来源
     This peper mainly discusses corrosion behaviors and laws of oxidation reactions of uranium under different temperatures and humidity,describes five methods of anti-corrosion,including alloying,coating on uranium surface,shielding layers of chemical reaction,ion injection and surface transformation by laser.
     从铀材料的应用对抗腐蚀性能要求出发,重点论述了铀的腐蚀行为、不同温度和湿度下铀的氧化反应规律以及对其研究的历史和现状等。 综合评述了铀的防腐涂层方法的研究(铀的整体合金化、表面涂层技术、利用化学反应制备保护层、离子注入保护和激光表面改性等5个方面)。
短句来源
     Finally,the deposition mechanism of a-C:H films using the chemical equilibrium equation and the influence of [H] radical upon the structure of growing films are discussed.
     最后,利用化学反应平衡方程讨论了α-C:H膜的沉积机理以及[H]基对生成膜结构的影响。
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     Using the theory developed by J.
     利用J.
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     chinensis was successfully expressed in E.
     利用E.
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     Carrying out Chemical Reactions by Using Solar Energy
     利用太阳能进行化学反应
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     Equilibrate Chemical Equation by Computer WuDi Fuxin Institute of Mining and Technique ZhouChunyan Fuxin Mining Area Hofpital
     利用微机配平化学反应方程式
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     On the Extent of Reaction
     化学反应进度
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Based on Ref. [1], the physical and chemical processes in high temperature zone in the furnace are investigated and the possibility of various reactions taking place are discussed by free enthalpy concept. It is considered that a series of aluminum oxides of changed valence resolved from Al2O3 can only exist in the gaseous state in the high temperature zone and only slightly contaminate the melt, making it clear that the scattering particles in the crystals are mainly due to the contamination of the melt by...

Based on Ref. [1], the physical and chemical processes in high temperature zone in the furnace are investigated and the possibility of various reactions taking place are discussed by free enthalpy concept. It is considered that a series of aluminum oxides of changed valence resolved from Al2O3 can only exist in the gaseous state in the high temperature zone and only slightly contaminate the melt, making it clear that the scattering particles in the crystals are mainly due to the contamination of the melt by the volitilization of carbon and molybdenum. It is however pointed out that O2, CO and CO2 in the high temperature zone help to restrain such contamination, thus providing an explanation of why the mixture of Ar + CO2 is capable of appreciably reducing the scattering particles in the crystals.

本文在文献[1]的基础上,对炉内高温区的多种物理、化学过程进行较系统的分析讨论,利用化学反应自由焓判别各种反应的可能性。文中认为Al_2O_3分解的一系列铝的变价氧化物在高温区只能以气态存在,且对熔体污染小;强调碳和钼的挥发对熔体的污染是造成晶体中存在散射颗粒的主要原因;并指出高温区O_2,CO和CO_2对抑制熔体的气氛污染是有益的。解释了Ar+CO_2气氛能显著减少晶体中散射颗粒的机理。

The medium size nitrogen fertilizer plants are the pioneering sector in the Chinese nitrogen fertilizer industry. A major part of these plants are using coke as raw material. These plants need transformatiou since they are equipped with 5060's technology. The transformation should be directed to reduce energy consumption and raisethe economic results. The author puts forward suggestions for the transformation of different types of fertilizer plants with discussions on 6 common problems encountered in the technical...

The medium size nitrogen fertilizer plants are the pioneering sector in the Chinese nitrogen fertilizer industry. A major part of these plants are using coke as raw material. These plants need transformatiou since they are equipped with 5060's technology. The transformation should be directed to reduce energy consumption and raisethe economic results. The author puts forward suggestions for the transformation of different types of fertilizer plants with discussions on 6 common problems encountered in the technical transformation: (1) adoptaion of high capacity ammonia converter, highly active catalyst and increase of the packing capacity; (2) full utilization of chemical reaction heat and increment of vapour pressure of industrial and waste boilers; (3) hydrogen recovery from purge gas; (4) modification of cooling water system; (5) impro vement of insulation quality; (6) replacement of high-energy consumption and low efficiency equipment.

中氮肥是我国氮肥工业发展的先驱,其中以煤焦为原料的厂居多。中氮厂生产技术都是五六十年代的,面临改造,方向是降低能耗,提高经济效益。作者针对不同类型厂提出不同的改造意见,并讨论了各类型厂技术改造中的六点共性问题:1.氨合成过程建议采用大容量合成塔、使用高活性催化剂、增大装填量;2.充分利用化学反应热,提高自备工业锅炉和废锅发汽压力;3.回收弛放气中的氢气;4.进行冷却水系统改造;5.提高保温保冷质量;6.更新高能耗、低效率设备。

Five aglycones (1 - 5) were isolated from the saponin of Gynostemma Peritaphyllum Makiao after acidic hydrolysis. By the evidence of chemical reaction and spectral analysis, these aglycones were identified to be: panaxdiol( 1). 2 -hyd-roxy-panaxdiol( 4 ), and 2, 19-dihydroxy-12-deoxy-panaxdiol( 5 ). The aglycones( 2 ) and( 3 ) are being further studied.

从广西金秀产绞股蓝提取的皂甙,经酸水解,硅胶柱层分离,得到5个甙元(1—5),利用化学反应和谱学分析方法鉴定,其中甙元1为人参二醇,甙元4为2α-羟基一人参二醇,甙元5为2α,19-二羟基-12-去氧人参二醇。甙元2和3的结构正在鉴定中。 关键词 绞股蓝;绞股蓝皂甙;人参二醇;2α-羟基人参二醇;2α,19-二羟基-12-去氧人参二醇

 
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