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  热态
    The Study on Hot Strength Change Low of Cool Stremgthened Pellet
    冷固球团矿热态强度变化规律的研究
短句来源
    EXPERIMENTAL STUDY ON COLD STATE AND HOT STATE CHARACTERISTICS OF CONTINUOUS CASTING NOZZLES
    连铸机二冷喷嘴冷态和热态特性的实验研究
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    THE HOT TEST STUDY ON THE STAVE OF BAOSTEELS NO3 BLAST FURNACE
    宝钢3号高炉冷却壁破损机理的热态试验研究
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    Study on the liquid steel in the tundish by hot water modeling
    中间包热态水模型研究
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    Application of hot repairing material in converters
    新型热态修补料在转炉的应用
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    THE TECHNOLOGY OF OXYGEN BOTTOM-BLOWN CONVERTER USING LOW PHOSPHORUS HOT METAL
    底吹氧气转炉低磷生铁炼钢的工艺
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    BLOWING THE PRE-TREATED HOT METAL CONTAINING 3% P IN OXYGEN BOTTOM-BLOWN CONVERTER WITH LIME POWDER INJECTION
    氧气底吹转炉喷粉吹炼含3%磷的高磷半钢
短句来源
    BLOWING PRE-TREATED HOT METAL CONTAINING 3% P IN OXYGEN BOTTOM-BLOWING CONVERTER WITH LIME POWDER INJECTION
    底吹氧气转炉喷粉冶炼含3%P高磷半钢
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    SOME PHENOMENA DURING DEPHOSPHORIZATION OF HOT METAL BY SODA ASH IN 400 TON TORPEDO CAR
    用苏打灰在400吨鱼雷车中进行铁水脱磷
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    EXPERIENCES ON HOT METAL PRETREATMENT AND APPLICATION AT KURE WORKS, NISSHIN STEEL
    日新钢铁公司吴厂铁水预处理及其应用的经验
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An immunoenhancing polysaccharide isolated from the hot aqueous extract of mature pods of Moringa oleifera was found to contain only D-glucose as a monosaccharide constituent.
      
The water-soluble glucan was obtained from Pleurotus florida fruit bodies by hot water extraction, ethanol precipitation, DEAE cellulose dialysis and Sephadex G-75 gel filtration.
      
The performance indices of plywood, particleboard and medium density fiberboard (MDF), hot-pressed by nano-SiO2 (1%)/UF resin (F/U molar ratio=1.2), exceeded the requirements of the National Standard.
      
The temperature in the sample and the distance from the hot surface of the sample was strongly linearly correlated.
      
Heat-transfer process during hot-pressing of flakeboard
      
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Theoretical coke rate means the necessary amount of coke to satisfy the thermal and chemical requirements under given conditions of raw materials, blast temperature, etc. The newly proposed method is characterized by combination of material and heat balance into one equation, and by that, the only thermal income is the heat of combustion before the tuyere with subtraction of heat carried away by the hot top gas. With this thermal balance, the necessary tuyere carbon is found. By adding to this carbon the...

Theoretical coke rate means the necessary amount of coke to satisfy the thermal and chemical requirements under given conditions of raw materials, blast temperature, etc. The newly proposed method is characterized by combination of material and heat balance into one equation, and by that, the only thermal income is the heat of combustion before the tuyere with subtraction of heat carried away by the hot top gas. With this thermal balance, the necessary tuyere carbon is found. By adding to this carbon the solution carbon in pig iron and direct reduction carbon, the total carbon is finally obtained.By partial differentiation, a convenient and practically accurate method is derived for calculating effects of different factors on coke rate. Calculations for some Chinese and Japanese blast furnaces are given to show how this method might be used to examine operational efficiency, to calculate effects on coke rate of new technology like fuel injections through tuyere, and used for design purposes. Comparisons of this method with others like that of Runm and Pavlov are briefly given.

理論焦比是指在一定原料和风溫条件下渗碳、发热和还原所需的焦炭;現有各种計算方法的缺点;以风口热函減去炉頂煤气热函作为唯一热量收入的热平衡計算方法,以物料平衡和热平衡結合为基础,利用偏微分找出的計算各种因素对焦比影响的方法。

The mechanism of deterioration of coke in the blast furnace has been studied. The reactivity of coke in the lower part of the furnace and the deterioration of coke by the circulating movement in the raceway are the main causes for the production of coke powder. Hot drum test for cokes in several of our large blast furnaces have been made according to the test methods of Oita Works in Japan. Based upon the causes of coke deterioration in the blast furnace and the hot drum test results, it is proposed that...

The mechanism of deterioration of coke in the blast furnace has been studied. The reactivity of coke in the lower part of the furnace and the deterioration of coke by the circulating movement in the raceway are the main causes for the production of coke powder. Hot drum test for cokes in several of our large blast furnaces have been made according to the test methods of Oita Works in Japan. Based upon the causes of coke deterioration in the blast furnace and the hot drum test results, it is proposed that the coke for modern ultra large blast furnaces should be made from an appropriate coking coal mixture and with a ash content not more than 12%.

研究了焦炭在高炉内的破坏机理.对焦炭在高炉下部高温区CO_2溶解反应和风口前循环区焦炭迅速磨损及粉焦生成的关系进行了探讨,同时对我国几座大高炉用焦炭的热转鼓强度按日本大分厂规程进行了检验,根据以上的研究与检验结果,建议新建巨型高炉所用焦炭应注意适当配煤并保证灰分不高于12%.

Ceramic burners have been installed in 3 M-P external combustion chamber stoves for B.F. № 6 in the Ironmaking works in Anshan Iron and Steel Company. The designed blast temperature in the hot stoves is 1250~1300℃. After the installation of the stoves, the aerodynamical characteristics was measured in the cold condition. After being brought into operation, the stoves were subjected to experimental runs. Temperatures at different heights and various locations in the combustion and regeneration chambers...

Ceramic burners have been installed in 3 M-P external combustion chamber stoves for B.F. № 6 in the Ironmaking works in Anshan Iron and Steel Company. The designed blast temperature in the hot stoves is 1250~1300℃. After the installation of the stoves, the aerodynamical characteristics was measured in the cold condition. After being brought into operation, the stoves were subjected to experimental runs. Temperatures at different heights and various locations in the combustion and regeneration chambers were measured. Sample of waste gas were taken from the combustion chamber for analysis. Based on the data thus obtained, functions of the ceramic burners were compared with that of the metallic ones. It is found that the burning ability of the former is about 70% higher than that of the latter, the range of control is wider, and the stove top temperature is about 70℃ higher. Thus, it may be concluded that higher temperature, longer life of usage, and safer operration will be attained by the adoption of ceramic burners.

鞍钢炼铁厂六高炉三座外燃马琴式热风炉上采用了套筒式陶磁燃烧器.文中介绍了该燃烧器的结构、材质与技术性能.热风炉设计风温1250~1300℃.热风炉建成后进行了冷态测定,投产后进行了工业生产试验.试验期在燃烧室与蓄热室不同高度及径向用热电偶进行测温;从燃烧室抽烟气取样进行气体分析;通过试验所得数据比较陶瓷燃烧器与金属燃烧器生产上的差异,前者燃烧能力提高70%左右.调节范围广.拱顶温度提高70℃,可使热风炉生产高温、长寿、安全,因而得出基本肯定该种陶瓷燃烧器的结论.

 
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