預熱制度 的英文怎麼說

中文拼音 [yùrèzhìdù]
預熱制度 英文
preheating regime
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. Through preparative experiments and optimized experiments on cu ~ zn ultrafine powders that are prepared by the method of thermal spray and ball milling, the author finds that dispersants concentration, dispersing time, ph, temperature and adscititious ions have significant influences on dispersing effects

    西安理工大學碩士學位論文通過對熱噴塗球磨法制備的超細銅鋅粉的分散性進行預試驗和優化試驗，發現分散劑濃度、分散時間、 ph值、溫度和外加離子濃度對分散作用效果有重要影響。
  2. The welding performance of homemade wear - resistant cast steel has been studied base on the weldability tests, the repair welding procedures of wean - resistant cast steel ( abrasion - plates ) have been made up, the results show that satisfying repair welding quality can be attained with such welding conditions as the low hydrogenous alkalescent welding rod, preheating and slow cooling, strictly maintaining the interbedded temperature of 250 ~ 300 and controlling welding technique

    通過對其焊接性能的試驗研究，制定了該類鑄鋼件（磨耗板）的補焊工藝：低氫型堿性焊條，預熱與緩冷相結合的工藝措施，嚴格控制層間溫度（ 250 ~ 300 ）及焊接工藝規范，可獲得滿意的修復質量。
  3. The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size

    實驗發現含水率對波速影響比較大，飽和巖樣的聲波傳播速度高於不飽和巖樣的聲波傳播速度；人工預制裂紋對聲波傳播速度影響不大；單軸壓縮條件下，聲波傳播速度隨應變增加逐漸降低；在同一溫度（ 160 ）下，波速隨保溫時間的增加而逐漸降低；在對巖樣逐漸加熱情況下，初始加熱階段波速略有升高，當溫度達到60時，巖樣波速達到峰值，之後隨著溫度繼續升高其波速逐漸下降；波速隨溫度變化具有一定的尺寸效應。
  4. Objective by investigating papulation density and breeding characters of dengue vectors in fuzhou changle international airport to prevent and control dengue fever

    摘要目的調查長樂國際機場登革熱媒介種群密度，預防和控制登革熱暴發流行。
  5. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中，模擬結果表明，保壓時間是影響製件成形質量的關鍵因素之一，擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大，需進行參數之間的協調，只有當變形區內部始終維持準固態時，才能實現穩定的液-固擠壓成形過程；在變形場的模擬中，根據液態浸滲擠壓的成形特徵，選用了雙曲正弦剛-粘塑性有限元計算模型，研究了變形過程中應力應變場的變化規律，研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。
  6. 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。
  7. The process parameters of electric upsetting include : velocities of upsetting cylinder and anvil cylinder, heating current, preheating length and time, etc. because different materials have different mechanical, electric and thermal characteristics, and there are effects between different parameters, the determination of those parameters becomes a complex problem

    電熱鐓粗成形過程的工藝參數主要包括鐓粗缸活塞運動速度、砧子缸活塞運動速度、鐓粗壓力、加熱電流和預熱長度等。這些參數的選擇是一個復雜的問題，其復雜性不僅在於不同的材料具有不同的力學、電和熱傳導特性，而且各參數相互影響、相互制約。
  8. The ideology and experience regarding design of large capacity w flame units in foreign countries should be further acknowledged, this can be an example for us to draw a more reasonable rules and methods of calculation. in this thesis, the systematic numerical simulations were conducted for w flame boiler furnace

    針對邯峰電廠的660mw機組w型火焰鍋爐的特點，編制和完善了爐內熱態流動及燃燒模擬程序，並進行了全面的爐內過程數值計算，得到了鍋爐爐膛內的溫度分佈和速度分佈，對鍋爐性能進行了預報。
  9. With the simulated results of the high resolution of space - time, from the aspects of thermodynamic, dynamical, moist available energy and moist potential vorticity, the direct effect mesoscale system was analyzed to this weather process, including mesoscale low level jet, mesoscale vortex etc. meanwhile, its features and physical mechanism of the formation and development are further discussed to seek for some basis for deeper research and storm rainfall forecast

    運用高時空解析度的模式結果，從熱力、動力結構、濕有效能量和濕位渦等多個角度，著重分析討論了對這次天氣過程有直接影響的低空急流、中尺度低渦等中尺度系統，探討了影響這次天氣過程的中尺度系統的發生、發展特徵和物理機制，試圖為更進一步的研究和暴雨預報提供一些依據。
  10. In addition, four colours of density control patterns are written at high speed and then read together, enabling a short warm - up time from poweron or sleep mode of less than 30 seconds

    此外，四色的密度控制模式以高速寫入然後再一起讀取，從而將從開機或睡眠模式開始的預熱時間縮短至30秒以下。
  11. Abstract : the in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging

    文摘:針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況，提出了若干技術改造措施包括，增大對流管表面積以增大對流段的熱負荷；增加輻射管的換熱面積；修正煙囪高度；換用新型燃燒器，變自然通風為強制供風，以增大燃燒器的發熱量，減小過剩空氣系數，節省燃料2 % 3 % ；在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度；採用高溫輻射塗料增強輻射換熱效果，從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。
  12. The in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging

    針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況，提出了若干技術改造措施包括，增大對流管表面積以增大對流段的熱負荷；增加輻射管的換熱面積；修正煙囪高度；換用新型燃燒器，變自然通風為強制供風，以增大燃燒器的發熱量，減小過剩空氣系數，節省燃料2 % 3 % ；在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度；採用高溫輻射塗料增強輻射換熱效果，從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。
  13. 1 the forecast model of the load of the heating system was put forward, parmeter of the model was recognized in genetic algorithm. on the basis of the result, the temperature of water supply was calculated and become target aim of burning system

    針對集中供熱系統的特點，設計了整個系統的運行控制方案。 1建立了供熱負荷預測模型，採用遺傳演算法對模型的參數辨識，並以此來計算當天的供熱溫度，指導鍋爐的自動控制。
  14. The ratio of isopropyl alcohol and pure water and temperature in the process of freezing are considerated in the research of the preparation of the pt / c electrocatalysts with freeze - drying method. the result shows, when we use 300ml pure water to wash the carbon ( 40mg ) in isopropyl alcohol ( 20ml ) to alter the ratio of isopropyl alcohol and pure water, we get the electrocatalysts with high catalytic activity ; the use of the liquid nitrogen ( - 196 ) to freeze the suspension ( carbon and precursor solution ) can make the pt / c electrocatalysts in high dispersion

    採用300ml純水對20ml異丙醇中的40mg碳載體進行洗滌抽濾，來改變預凍液中的醇水比例，通過冷凍乾燥制備pt / c的性能較好;採用液氮對預凍液進行冷凍（預凍溫度為- 196 ）制備的pt / c催化劑性能較好;冷凍乾燥法可以有效地避免加熱乾燥過程中前軀體離子在碳載體表面的脫附和團聚，進而制備載量大、分散性好、粒徑較小的pt / c催化劑。
  15. A normal co - axis he - ne laser tube with bore length l = 190 mm was used. with pid and self - organised fuzzy control, the frequency error could be confined to a 10 ~ 9 level. in addition, preheating time and anti - interference were within requirements

    選用腔長l = 190mm的普通同軸式he一e激光管，採用pid和自組織模糊控制模式可達到10一的穩頻精度效果，並滿足預熱時間和抗干擾要求。
  16. To further enhance the public hygiene management of sip enterprises, protect employees ' health and ensure normal production, suzhou industrial park administrative committee ( sipac ) now issues the following notice according to the announcement issued by jiangsu provincial government notifying that sars prevention and control work enters into its normal and long - term management

    園區各級醫療衛生機構將繼續按照有關要求，規范防護措施，做好發熱病人的監測及轉診醫療工作，完善疫情預警預報制度和疫情監測報告體系，提高快速處置能力，並將發熱排查機制和流行病學調查納入日常醫療工作中。
  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. In the end, the paper makes an thermodynamic analysis, evaluation of investment and techno - economic analysis on the retrofit plans of heat recovery steam generator and air pre - heater, which helps to make the evaluation of the plans from the view of energy conservation and economy benefit

    完成熱管布置設計和設備細部結構設計，繪制余熱回收設計圖紙。最後對所設計的余熱鍋爐和空氣預熱器方案進行熱力學分析、投資概算和技術經濟分析，從節能和經濟性角度評價了設計方案的效益。
  19. It is an economy of electricity by applying vertical sectional - area - type design and separate temperature control by forechannel, midchannel, and hindchnnel on the preheater

    預熱器採用從向分段設計，前中后槽單獨控溫，溫度控制自如可省電。
  20. Based on the predecessor ' s research, we focus on the concrete of large volume at basement inside high building. firstly, we have developed a software called 3d - efp, which have good practice in temperature predicting, secondly, we have aslo managed to get a whole set of scientific & advanced technology to monitor the temperature inside the concrete

    其次，在大體積砼水化熱溫度實時監測方面，我們經過多年的摸索與改進，研究出一整套科學的方法和先進的自動化技術，極大地促進了這類工程的「信息化施工」 ，通過預測與實測的緊密配合，採取一系列有效的措施盡可能控制砼溫度的變化，來達到防止溫度裂縫產生的目的。
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