重力燒結 的英文怎麼說

中文拼音 [zhòngshāojiē]
重力燒結 英文
gravity sintering
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ動詞1 (使東西著火) burn 2 (加熱或接觸某些化學藥品、放射性物質等使物體起變化) cook; bake; hea...
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  1. Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing

    文摘:應用計算機模擬的方法,在不考慮燃的冷態情況下,研究了熱風爐燃室內的氣流分佈規律.在此基礎上,比較了2種不同設計方案的氣流流動特徵,尤其是研究了燃器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影響.果表明,阻流板的設計對加強空氣和煤氣的混合有著極為要的作用,同時也增加了空氣管道的阻損失,在同樣的工況條件下需要提高管道系統的總壓
  2. Moreover, the system of powdered coal conveying with primary air is the most important tache, whether the distribution of primary air is even or not directly relates to whether the distribution of powdered coal is even or not in all firing implement and nozzles, sequentially directly relates to whether it is hard to take fire, whether the fire is stable, whether there is coking and how about the heat efficiency of the boiler, hi addition, if there is jamming and deflagrate in the system of powdered coal conveying with primary air, severe safety accident can be resulted

    良好的煤粉配風是建立合理的爐內空氣動工況和穩定燃的必要條件。而其中一次熱風送粉系統又是最要的一個環節,一次風配風是否均勻直接關繫到煤粉在各燃器和各噴嘴中的分佈是否均勻,從而直接關繫到著火是否困難、火焰是否穩定、局部是否焦以及鍋爐的熱效率高低。若一次風送粉系統發生堵塞和煤粉爆燃則可能引發嚴的安全事故。
  3. Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer

    超聲波由於其空化機理及對液體的流變性影響等特性,在燃油霧化燃中逐步引起人們的視,尤其在渣油等高粘度液體的霧化過程中逐步顯示出其優越性,但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨,將超聲波與氣泡霧化相合是本文討論的主要內容本文從研究超聲波的一些機理入手,討論了超聲動發生器氣泡霧化以及液體粘度對霧化質量的影響,並通過具體的實驗,根據實驗數據來討論霧化質量隨各種構參數運行參數的變化規律,以便找到超聲霧化的一些規律,豐富對超聲霧化機理的研究,對超聲霧化噴嘴的設計具有一定的指導意義。
  4. Theoretical analysis and testing results demonstrated that viton, a new substitute of the former plasticizer, could noticeably improve its performances, which has been proved as the important improvements of the mixture. due to the favorable thermochemistry performance, dicyandiamide can act as a good combustion - rate regulator. the addition of antistatic agent can desirably increase the antistatic capability of the mixture, and the testing results showed that the performance of the improved mixture was excellent

    理論分析和測試果均表明了以氟橡膠取代耐水點火藥中原粘合劑將使藥劑的各項性能有明顯的改善,是耐水點火藥改進的要方面;雙氰胺具有良好的熱化學特性,作為耐水點火藥改進中的燃速度調節劑具有很好的調速效果;抗靜電劑的加入,進一步提高了藥劑的抗靜電能,測試分析表明改進后藥劑的性能更加優異。
  5. Mean while, the iouver concentrator structure principle is analyzed, the iouver puiverized coal concentrator is studied on the bases of both laboratory and production. lt is discovered from the experiments that the louver horizontai rich / lean combustion pulverized coal burner has advantages of simple in structure, low resistance and adjustment of pc concentration

    同時,點分析了百葉窗濃縮器的構原理,並在試驗臺上和現場對百葉窗煤粉濃縮器進行了大量的試驗研究,果表明:百葉窗式水平濃淡煤粉燃器具有構簡單、阻損失小、分離調節方便等一系列優點。
  6. This product combines excellent micro structural flexibility with very good coat ability because of dead burned magnesia / low chromite / hercynite combination

    由於鎂砂和低鉻鐵礦/鐵鋁尖晶石的組合,該產品合了優良的微構彈性和良好的造窯皮能的優點。
  7. Avoiding the difficulties of detecting the difficult parameters in furnace control and of building up the models, integrated with fuzzy control and conventional pid control, abb ’ s control it system is used to predict the bloom surface and center temperature directly based on the temperature of furnace wall easily to be detected so that the temperature settings in various furnace sections can be self - corrected, the furnace temperature of each section self - adjusted and on - line parameters of combustion control self - optimized. in addition, the heating parameters and the operating status of the field plant can be monitored with alarm

    採用abb公司的controlit控制系統,避開爐子控制中遇到的困難參數檢測及建模困難等因素,直接根據容易檢測的爐壁溫度來推知鋼坯表面溫度及鋼坯中心溫度,將模糊控制技術與常規pid控制相合,實現各段溫爐設定值自修正、各段爐溫自協調、各參數在線自整定的自尋優最佳燃控制;對熱工參數、現場設備的運行情況進行監視、報警,實現爐膛壓、管道壓、換熱器的保護控制,並將要參數送往廠級mis網路。
  8. Based on the theoretical analysis and design practice in successful development of allway desiel engine in china, the design concepts of key parts and components of engine, in particular the cylinder block and cylinder head, are analyzed for meeting the requirements for high performance and low emission as well as normal and reliable operation of diesel engine for medium and heavy commercial vehicle under high combustion pressure and high thermal load

    摘要合我國自主開發的「奧威」發動機在設計工作中的理論分析與實踐,就低排放中型商用車柴油機在開發工作中為滿足高性能、低排放的要求及在高燃爆發壓和高熱負荷下正常可靠地工作,對發動機的關鍵零部件,尤其是缸蓋與缸體的設計概念進行了分析。
  9. Focusing on the performance evaluating and the design of tripropellant injector, adopting the cold test rig with background pressure supply, malvem particle analyzer, ccd photography system, tripropellant hot test - bed, numerical simulation software and auxiliary theoretical a nalysis, the d ischarge c haracteristic a s w ell a s a tomization p erformance o f the injector and the combustion performance as well as the mode - transition characteristic of thrust chamber are studied detailedly based on the 3 different structures of coaxial tripropellant injector, large numbers of important conclusions are gained

    本文圍繞三組元噴嘴的性能評定及設計方法。採用反壓冷試臺、馬爾文測粒儀、 ccd高速攝影系統、三組元發動機熱態試驗臺、數值模擬程序及輔助理論分析等多種技術手段和研究方法,對三種構的同軸式三組元噴嘴深入進行了噴嘴流量特性和霧化特性、推室燃性能和轉工況性能研究,得到了大量果。
  10. Finally, the inlet port and combustion chamber designed and machined is tested on 4100qb. the paper mostly investigates the change of performance targets of the engine that three different grooved chambers including two different re - entrant model and one w model match with various intake port and nozzles, in order to realize the influence of chamber geometry on combustion process. the results analyzed have indicated that re - entrant grooved chambers can enhance the turbulent intension in the chamber, improve the combustion proces of diesel engine on the altiplano, being groove, re - entrant and convex, and have the farther developing potential

    研究兩種縮口、一種直口矩形環槽燃室與不同進氣道、噴油嘴的組合方案發動機的動性、經濟性及排放指標的變化,確定燃室的幾何形狀對燃過程的影響。分析果表明,由於有矩形環槽、燃室縮口以及燃室底部凸臺,縮口矩形環槽燃室中的紊流得以加強,改善了高原柴油機的燃過程,這種燃室有進一步發展的潛
  11. In arbitrary curvilinear coordinates, the wall function is used for treating near wall regions. the influences of two different inlet gas parameter distributions and turbulent combustion models, as well as three different afterburners on turbulent combustion flow fields and wall temperature profiles are calculated. comparisons of experiment results and calculations results show that second - moment combustion model is reasonable for modeling turbulent reacting flows, inlet gas parameter distributions is more important. calculation method is reliable and can be used for the optimum design of afterburner

    數值研究三種不同幾何形狀、兩種進口氣流參數分佈、兩種紊流燃模型等對加室內各氣流參數、隔熱屏和加室筒體壁面溫度分佈的影響,計算果與試驗數據比較表明:不同幾何形狀加室對加室內紊流燃流場的影響要比進口氣流參數分佈大些,正確給定進口氣流參數分佈較為要,二階矩紊流燃模型更適用摸擬三維紊流燃流動,計算方法合理,編制的計算程序可靠,可供加室優化設計用。
  12. The repeating experiments show this kind of emulsified diesel oil can reduce fuel consumption by at least 10 percent, smoke density and nox emission by more than 40 percent. and the exhaust temperature and the maximum combustion pressure also decrease. la addition, the experiments about emulsified heavy oil and emulsified mixture of heavy oil and diesel oil are done on 1135 diesel engine

    經反復試驗表明該型乳化油與0 ~ #柴油相比平均節油率不低於10 ,主要排放物nox 、碳煙降低40以上,同時排溫和最高燃降低,另外,在1135柴油機上進行了乳化油和乳化油與柴油混合物的試驗,果表明燃油耗率和so _ 2排放均顯著降低。
  13. These produels are produced by the techniques same with chemical bonded non - sintered bricks with semi - silica raw materials, they have high strength, good heat insulating and alkali resistant properties, they are mainly applied to the zones of large - sized cement rotary kilns which are croded badly by alkali, for example, the input zone, preheater, three - windtunnel, and decomposing zone

    本產品採用半硅質原料,以化學合不工藝生產而成,它具有強度高、隔熱效果好、抗堿侵蝕能強的特性,主要用於大型水泥回轉窯筒入料區段、預熱器、三次風管和分解帶等堿侵蝕嚴的部位。
  14. These results show that since the existent defects of combustion device structure and its hypothetical circle of contact, these make a poor primary and secondary wind rigidity in operation and a too big actual circle of contact. in addition, the coal used is extreme prone to burn and reside in boiler. under such a condition, the coal powder ignites earlier in a short time and short distance when it leave the jet - combustioning device, and splashes the water cooler, eventually this results in a burned coal residue in boiler

    針對宏偉熱電廠410t / h燃煤鍋爐嚴渣問題,對燃煤的渣性、爐內溫度工況及空氣動工況等進行實驗研究,由於燃構和假想切圓選擇的缺陷,使得鍋爐在正常運行時,一、二次風剛性較差,實際切圓過大,加上目前燃用煤質屬于極易燃、易渣煤質,致使煤粉在離開噴燃器很短的時間、較短的距離內開始著火,並沖刷水冷壁,最終造成爐膛渣。
  15. On the design of the instrument software, because the computer data process system of the first and second kinds of products run in the dos environment, which is written by the language of the basic. it is proved in the dos environment that data is processed slowly, man - machine interface is n ' t friend and operation is n ' t convenient. what ' s more, the code of program written by the basic is changed easily by accident by user, which does n ' t adapt to production and commodity of the instrument. therefore, we have developed with visual c + + language a suit of data process soft system supported by windows 95 / windows 98 / windows nt in the third kind of the sample instrument. the developed software system has good reliability, friendly user interface and convenient operation

    另外為了進一步擴大儀器的測量范圍,我們將第三代產品的使用擴展到對各種液體表面張的測試,並進行kd -型樣機的製作,以供第三軍醫大學傷研究所作人和動物呼吸道傷的實驗研究。在儀器的硬體設計方面,我們求做到構緊湊,性能穩定,復性好,且成本低廉。在儀器的軟體設計方面,由於第一和第二代產品的計算機數據處理系統是運行在dos環境下,用basic語言編寫的程序。
  16. The research objective is to improve the control system performance through the combination of the advanced control strategy with the meaningful information mined from the history operation database. firstly, a new solution for the control performance enhancement is presented by the reference of the kdd technology. aiming at practical application, a novel boiler load control method, which combines the multiple model adaptive control strategy with the data mining technology, is put forward in this dissertation

    本文第一部分為熱工過程式控制制與數據信息採掘,研究的點是通過先進控制策略的應用以及運行數據中發掘的有用信息,提高現有典型熱工過程式控制制系統的性能,內容包括:首次提出了借鑒數據信息採掘技術的思路和方法,用於完善現有的熱系統優化控制方案;在此基礎上合生產實際,提出了運用多模型自適應策略實施鍋爐負荷控制,並利用關聯規則的數據信息採掘方法,通過對燃料發熱量信息的在線診斷,優化控制器構,同時實現鍋爐燃配風的自適應調整,提高負荷、燃控制系統性能。
  17. Nhi mainly provides research and development, design, manufacturing and services of the significant technology equipments of crushing & grinding, ore dressing, metal rolling and dressing shearing, tunnel boring, bulk material transporting and handling, synthetic excavating, construction machinery, transmission machinery, particle board, environmental protection and military and large castings and forgings for metallurgy, mining, coal, power, building material, port, chemical industry, environment industries

    簡介:北方工主要為冶金、礦山、煤炭、電、建材、港口、化工、工程、環保等行業提供破碎粉磨、礦物洗選、球團、金屬壓延和精整剪切、隧道掘進、散料輸送和裝卸、煤礦綜采、工程機械、傳動機械、人造板、環保、軍工等大技術裝備及大型鑄鍛件的研發、設計、製造和服務。
  18. The disposal of the valves and intake manifold structure not only affect fresh air charge but airflow in the cylinder, which immediately affect combustion efficiency and the performance of dynamic, economic and emission. the structure of the air distributing institution has influence on charging efficiency and the noise of engine. the combustion chamber affects compression scale which has great influence on dynamical performance ; f / v which affects the exhaust of hc ; squash area and clearance which have great influence on the intensity of squash

    氣缸蓋的氣門排列方式與氣道構形式影響進氣充量和氣流在氣缸內的運動,從而影響了燃效率,對整機的動性、經濟性以及排放都有直接的影響;配氣機構的形式影響充氣系數和整機噪聲等;缸蓋燃室決定了影響整機動性能的壓縮比,影響hc排放的f / v和對擠流起決定性作用的擠氣面積以及擠氣間隙,所以燃室對整機動性、經濟性、排放等都有要的影響;氣缸蓋是整機熱負荷與熱應最大的部件之一,熱負荷過高將不利於發動機壽命以及可靠性的提高。
  19. The method was applied to evaluate electrogalvanized products of baosteel, and the conclusion shows that resource depletion, climate change, energy depletion, and acidification are the four kinds of main impact categories, and power, sinter making, blast furnace are the most important process which are affected on environment

    該方法應用於寶鋼電鍍鋅產品的評價,得出資源消耗、氣候變化、能源消耗、酸化是最主要的4種影響類型,動、和煉鐵工序是環境影響最為要的工序。
  20. The cathodes both of the prepared tungsten - based barium - tungsten cathode and mixed metal barium - tungsten cathode have, not only high current density, but also a long life, simplified procedure and stable performance, and so on. and we made certain two good additives cr2o3 and ni2o3 that make the cathode performance more excellent

    2 )對不同元素配比的二元和三元混合陰極基底的制備工藝和發射性能開展了實驗研究,在增大發射能,延長壽命和降低溫度等方面有要進展,取得了有價值的階段成果。
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