預熱法 的英文怎麼說

中文拼音 [yùrèfǎ]
預熱法 英文
preheating method
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  1. In order to elaborate the app licability of osl to loess, especially single aliquot regenerative protocol ( sar ), involving stimulation of the same disc with an infra - red laser diode followed by blue leds to polymineralic fine - grains of loess, such explanations as light bleaching, preheat, anomalous fading, prior - ir exposure were investigated in this paper. for drawing adequate coarse grains from loess, quartz and feldspars, as well as loess, were etched by hydrofluoric acid and fluorosilicic acid. the sequence of ages of holocene loess in weihe rivier basin has been established by single - aliquot ( sar ) and multiple - aliquot using fine - grains and sar using coarse - grains

    本文通過渭河流域全新世黃土的光曬退實驗，地表黃土樣品的d _ e值測定，細顆粒單片的預熱、反常衰退、紅外暴露實驗，說明釋光測年在全新世黃土中應用的可行性及單片再生劑量法（ sar ）在黃土細顆粒中的適用性；為了從黃土中分離出足夠的粗顆粒，進行了純石英和長石的氫氟酸（ hf ）和氟硅酸（ h _ 2sif _ 6 ）溶蝕實驗，黃土粗顆粒石英溶蝕分離實驗；通過細顆粒單片、多片的blsl 、 irsl和post - irosl ，熱釋光，及粗顆粒石英的blsl的年代測定，選擇適于全新世黃土的釋光測年方法，並建立了渭河流域全新世黃土的年代序列。
  2. This article choosed out organic phase change materials, and, the solid - liquid - equilibrium of eleven binary system including fatty alcohol / fatty acid, n - octadecane / fatty acid, n - octadecane / fatty alcohol system were determined by cooling curve, and, t - x phase diagrams of these systems were drawn. the result shows that all these systems are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ). and n - octadecane / fatty acid systems were calculated theoretically

    本文初選出部分有機相變貯能材料，採用步冷曲線法測定了12醇-羧酸系列、 18烷-羧酸系列、 18烷- 12醇體系共11組體系的二元固液相平衡關系，繪制了這11組體系的t - x相圖，測定結果表明，這幾組體系均為簡單低共熔體系；同時利用差熱掃描量熱法（ dsc ）對上面各組體系低共熔點處的相變焓進行了測定；並對18烷-羧酸系列進行了熱力學理論預測。
  3. Abstract : large time delay exists in complicated practical processes. for example, in fccu ( fluidized catalytic cracker unit ) reactor - regenerator, the feed is preheated through heat exchanging from fractional column slurry, thus results in large time delay. a predictive control system is designed for such processes, where the kernal algorithm is dynamic matrix control. application results show that the control behavior is improved than original pid control

    文摘:實際的復雜工業過程，往往具有大的時滯，例如：煉油廠催化裂化裝置的反應再生系統，其原料油預熱通過油漿換熱實現，因此時滯特別大.本文針對這一類大的時滯過程，設計了以動態矩陣控制為核心演算法的預測控制系統，運行實踐表明：這一控制方案比原pid控制在控制質量上有較大提高
  4. The heat-sink method has a fast warm-up time.

    滲熱法預熱快。
  5. In this thesis, several advanced control methods are adopted to improve the performance of the traditional air preheater leakage control system using non - touched sensor

    本文採用了多種先進控制方法，用來改進傳統的非接觸式空氣預熱器密封間隙控制系統。
  6. The pressureless infiltration technique means that the spontaneous infiltration of the refined molten al or al - si alloy into the power bed, contains the filler reinforcement particle and k2tip4, occurred at 900 to fabricate sicp / al or sicp / al - si composites, without the aid of any externally applied pressure or vacuum, only by its gravity

    無壓自浸滲法是指在不藉助任何外力作用下，把熔煉好的鋁液，經精煉，調溫后，澆入經過預熱，含有增強體顆粒與助滲劑的混合體粉末中。
  7. Liquid - solid extrusion of composite material is a new kind of metal forming process, which has been developed in recent years with a promising practical application prospect for its simple working procedure, low cost and good workpiece performance. through a lot of experiments, the optimization and chosing method of key process parameters ( pouring temperature, mold warm - up temperature, impregnating pressure, impregnating time ) has been mastered. under the precondition of appropriate chosing these parameters, the effective control of extrusion velocity is the key of mading good workpiece. but the control of extrusion velocity remains a handwork, and it is heavily affected by such uncertainties as a handler ' s knowledge and skill about the process. in order to solve the problem, the automatic control of the extrusion velocity is studied, and a computer control system is also designed under existing condition

    通過大量實驗，已掌握了關鍵工藝參數（熔液澆注溫度、擠壓模預熱溫度、浸漬時間、浸漬力）的優化選取方法。在合理選取關鍵工藝參數的前提下，擠壓速度的控制是成形出質量良好製件的關鍵。但是，目前對于擠壓速度的控制仍停留在手動控制階段，利用該工藝制備管、棒材製件的成功與否受操作者對該工藝及其設備的經驗及熟練程度等不確定因素影響很大。
  8. Microcalorimetric study of effect of pretreatment on enzymatic hydrolysis of wheat straw

    微量量熱法研究預處理對小麥秸稈酶降解反應的影響
  9. Determination and calculation method of heat balance of special equipments for alumina production - part 11 : tube prepare - high pressure autoclave system

    氧化鋁生產專用設備熱平衡測定與計算方法第11部分單套管預熱-高壓釜溶出系統
  10. We select crm without coal as reference ; select semi - dynamic atmosphere to operate machine ; use the method fixing the temperature of hearth and that of sample holders when the analysis begins, which ensures the consistency of heating samples ; adopt the dta curve of " at - t " to analyzing crm heat, which decreases possible influences from the fluctuation of heating velocity ; draw conclusions that crm proportion and granularity influence the analysis little, but not crm moisture and coal species ; advise that there be a warm - up to the crm with much moisture before analysis and a modification to the crm with variable species of coal ; then obtain the feasible operation conditions and operation curve ( together with the curve function )

    選用白生料作標樣；選用準動態測定氣氛；採用恆定爐膛溫度（ 650 ）和固定支持器初始溫度（ 60 ）的方法，確保了樣品受熱過程的一致性；採用「 t ? ? t （時間） 」 dta曲線分析生料熱，減少了升溫速率的微弱變化對測定結果的可能影響；得出生料配比和細度對差熱儀測定結果影響小、生料水分和煤品種影響大的結論，並提出對大水分生料測定前要進行預熱處理、對不同品種煤的測定結果要進行修正的建議。最終，得到了差熱儀適宜的工況條件和工作曲線（及方程） 。
  11. It also researches the mixed combustion process of hot coal gas and preheats combustion - supporting air by utilizing the left heat of fume from industrial furnace so as to improve the theoretical combustion temperature of hot coal gas

    通過利用工業爐的煙氣余熱預熱助燃空氣，提高熱煤氣理論燃燒溫度的辦法，是諸多方法中最經濟有效的方法。
  12. Using cfx4. 3 code with finite difference and simplec methods, the temperature distribution of ladle lining baked at different preheating temperature of combustion gas was studied numerically and experimentally

    利用計算流體力學軟體cfx4 . 3 ，採用有限差分方法和修正的速度壓力耦合演算法simplec ，計算了某廠蓄熱式鋼包內襯的溫度分佈，重點分析了不同氣體預熱溫度下鋼包內襯溫度的變化規律，並進行了實驗驗證。
  13. Testing methods for air preheaters

    空氣預熱器試驗方法
  14. The company produces the carbon black by using the large - scale innovated reaction stove and using the on - line high temperature pre - heater and raw oil pre - heater to enhance the reaction conditions to improve the quality ; the company is equipped with the excellent wasted goods recycling system controlled by dcs to lift up the pass percentage which helps the whole technological level to reach to the advanced level at home ; in a addition, the critical equipments are imported from the us ; and the company keeps up the technical innovation like generating the electric power by utilizing the produced gas on the course of carbon black production with the effect as raw materials saved and the pollution minimized resulted as well

    炭黑生產工藝採用美國大陸炭技術，執行gb3778 - 2003標準，主要生產n220 n330 n660等系列的11個品種的濕法造粒炭黑，年生產能力60000噸。該項目採用大型新工藝夾套反應爐，利用在線高溫空氣預熱器和原料油預熱器，強化反應條件，提高產品質量。公司設有精製及廢品回收系統，提高成品的合格率。
  15. The principles of differential scanning calorimetry, electron microscope, nuclear magnetic resonance and x - ray were introduced in this paper together with their applications in oil quality control, development direction of investigation on oil quality control was also forecasted here

    摘要介紹了現代物理化學方法（差示掃描量熱法、電子顯微鏡、核磁共振法、 x -射線衍射法）的原理及其在油脂質量控制中的應用，並預側了油脂質量控制研究的發展方向。
  16. Theoretical study on the natural circulation precooling involves complicated two - phase fluid flow and heat transfer. the paper discusses several typical analyzing methods concerned with precooling, and also introduces a new analyzing method based on the comparison with the natural circulation boiler

    自然循環預冷法的理論分析涉及到單相、兩相流的流動和傳熱問題，對此不少文獻都有所論述，本文對其中一些具有代表性的方法進行了討論。
  17. Abstract : the fesiibility of ultrasonic liquid infiltratio n method in the fabrication of cf / al composite wires is discussed. composite wires with good properties are obtained by adopting proper parameters including the preheated temperature of fiber, temperature of melting aluminum, infiltrati ng time and the ultrasonic energy

    文摘:探討了超聲液相浸滲法在制備碳（石墨） /鋁復合絲過程中的適應性，通過選取適當的工藝參數，包括纖維去膠及預熱溫度、鋁液溫度、浸滲速度和引入的超聲能量等，可以得到復合質量較好、具有較高力學性能的復合絲。
  18. Leakage of high pressure ammonia preheater pipe and ellipsoidal head in the joint production of melamine with urea is introduced, hazard and reasons of leakage are analyzed to put forward the methods for prevention of similar accidents

    摘要介紹了三聚氰胺尾氣聯產尿素裝置的高壓氨預熱器列管及封頭發生泄漏的情況，分析了泄漏產生的危害及原因，提出了防止類似事故發生的方法。
  19. New idea toward the calculation methods for the rotary air preheater rotator mushroom type deformation and the installation method of folding gaskets. were put forward the calculation method for the pre - arangement of the folding line gap was presented

    摘要對回轉式空氣預熱器轉子蘑菇狀變形量的計算方法和密封片的安裝方法提出了新的觀點，並對這折線密封間隙的預留提出了新的計算方法。
  20. This thesis focuses on the overall optimal design of pipe parts and head pipe exchanger. an example is also presented to stand for the typical heat pipe heat exchanger ( that is, head - pipe air pre - heater ). the specific details and methods are introduced in the integrated optimal design and the optimal selection for head pipe heat exchangers

    本課題就是要針對這一問題，對熱管元件及熱管換熱器整體優化設計進行研究，以氣- - -氣熱管換熱器中典型代表- - -熱管空氣預熱器為例，利用最優化理論，提出了對其進行整體優化設計的方法。
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