熱比重計 的英文怎麼說

中文拼音 [zhòng]
熱比重計 英文
thermohydrometer
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 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動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 比重 : 1 (部分在整體中所佔的分量; 比值) proportion 2 [物理學] (物體重量和其體積的比值) specific grav...
  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:應用算機模擬的方法,在不考慮燃燒的冷態情況下,研究了風爐燃燒室內的氣流分佈規律.在此基礎上,較了2種不同設方案的氣流流動特徵,尤其是研究了燃燒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.結果表明,阻流板的設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力損失,在同樣的工況條件下需要提高管道系統的總壓力
  2. Abstract : the paper established the idea of passive solar houses with zero - auxiliary heating source as well as the calculating method for the design and passive solar house. based on the ratio of radiant temperature difference i. e. thermal design and calculation method for passive solar houses with zero - auxiliary heating source

    文摘:著介紹零輔助源被動式太陽房的概念及以輻射溫差為設依據的被動式太陽房工設算方法零輔助源被動式太陽房工設算方法
  3. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究結果表明, ( a )處理前,隨著基片溫度的增加,薄膜中的低價氧化鈦含量逐漸減少,化學趨于o ti = 2 ;薄膜具有非晶態不緻密的柱狀纖維結構,柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光范圍內透明,在波長為35onzn時嚴吸收,利用干涉級次法分析了薄膜的光學常數,結果表明,薄膜的折射率隨基片溫度的升高而增加,根據算結果得到了tioz薄膜在不同基片溫度下的折射率色散曲線。
  4. Firstly. operation principle of induction heating is introduced and the actuality of the power supply for induction heating is summarized. then, the scheme of structure of the power supply is established : uncontrolled rectifier and buck chopper constitute dc circuit. in this part, operation principle of a kind of soft switching buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages ; series resonant inverter is selected as inverter circuit via comparing the advantage and shortcoming of parallel resonant and series resonant. moreover. the work principle of series resonant inverter is analysed and the calculating method of the best dead time is put forward as well

    文中首先介紹了感應加電源的工作原理並綜述了國內外的研究現狀。接下來分析並制定了電源主電路的構成方案:在對幾種功率調節方式的基礎上選擇了不控整流加斬波調壓作為直流部分。在這部分里,點研究了一種軟開關buck變換器,通過分析各階段的工作原理說明了開關器件如何工作在軟開關狀態;對于逆變器部分,在較了串、並聯逆變器優缺點的基礎上選擇了串聯諧振逆變器,並詳細分析了串聯逆變器的工作原理,提出了最佳死區的算方法。
  5. In this thesis, the measuring methods of main combustion parameters of coal burning boiler are analyzed and compared on the basis of the conclusion of relative experiences of both here and abroad. and by integrating relative knowledge of the combustion regulation of coal burning boiler, a set of the on - line monitoring system of the combustion condition of boiler is designed and developed, which is used to measure the important parameters of the burning process of boiler exactly, and is suitable to the tangentially fired furnace boiler

    在總結國內外相關經驗的基礎上,本文分析較了火電廠燃煤鍋爐主要燃燒參數的測量方法,並結合燃煤鍋爐燃燒調整的有關知識,設開發了一套鍋爐燃燒在線監測系統,用於對鍋爐燃燒過程的要參數進行實時準確的測量,適用於中間儲倉式、風送粉的四角噴燃鍋爐。
  6. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設針對國產中、小型電站鍋爐燃燒系統參數時變、嚴非線性、干擾因素復雜、耦合嚴、模型不易確定的特點,提出多變量協調控制方案,解決了系統可控性差,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴,煤種混雜、成分不穩定、燃燒發值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設了一種模糊自尋優控制器,應用在電站鍋爐送風控制系統上,並闡述了動靜態兩種實現途徑,通過在線優化風煤配,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。
  7. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導耦合傳問題,本文在分析葉片內部通道冷卻的流動與傳情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,算了冷卻空氣通過這幾種通道時的流動與換情況,得到了各種不同情況下算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文點研究了新型的葉片內部通道冷卻強化傳措施?帶擾流片的內部冷卻通道的強化傳效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設可以起到指導的作用。
  8. Moreover, we give a further discussion on the numerical value calculation of temperature distribution. the main problem when we design the high duty - cycle high power laser diode array we face is the large amount of heat during its operation. so we change the proportion of some ingredients and the concentration of the dopage to gain high quality iii - v material

    在激光器陣列的設過程中,針對大功率激光器嚴的產問題,尤其是高占空工作時,會有更多的功率轉化為的現象,我們改進晶元材料的配、摻雜,提出適應高占空工作的器件版圖結構。
  9. The 60mn hot die forging hydraulic press, with weight 30 % reduction of the main body compared with the traditional hydraulic press because of plate frame structure designed through new idea by adopting transverse pre - tightening technology mainly embodying the design and manufacturing level of the heavy - duty hydraulic presses at modem times, the first one with independent intellectual property right designed by china itself and a transverse pre - tightening plate - frame hydraulic press with max. tonnage in the world at present

    摘要60mn模鍛液壓機,採用橫向預緊技術,創新設了板框式本體結構,與傳統液壓機相,機械本體量減少了30 % ,採用的主要技術集中體現了當代大型液壓機設和製造技術水平,成為中國自行研製的具有自主知識產權的首臺,並且也是目前世界上最大噸位的橫向預緊板框式液壓機。
  10. After researching the part thermal equipments and systems include heaters, steam leakage and receiving systems, low pressure drain system etc, and computing the efficiency of the systems, find out the better choice of the imported assemblies than the domestic assemblies in parameter and the disfigurements in design and making. based on the above, point out the measure to progress them. according to the analysis, we can get some measures to increase the economical level of the systems and save more energy

    對局部力設備及力系統進行分析研究,包括:加器設備、漏汽及回收系統、低加疏水系統、主、再蒸汽系統以及凝汽器等部位;並算汽輪機本體高、中、低壓缸效率,藉此著對汽輪機通流部分進行了剖析,找出國外進口機組動、靜葉柵、葉型的選擇國產機組先進性以及國產機組在通流部分設和製造中的諸多缺陷,並且指出了改進的方向,為機組提高經濟性、節能降耗奠定了理論基礎。
  11. A second problem is the metaphor alert - a strained metaphor is about to be attempted all weak - stomached readers are advised to hold on or jump to the next paragraph necessary entropy of a closed language design which is constrained to reuse constructs that are both too similar and significantly different and result in a dissipation of the programmer s energy in the heat of a desert mirage

    另一個問題是(喻警報下面將嘗試一個牽強的喻,建議所有忍耐性不好的讀者就此打住或跳到下一段落)封閉式語言設中所必然產生的平均信息量運動。這種封閉式設跳不出用既相似又明顯不同的結構的桎梏,導致程序員的精力白白耗費在熾的沙漠蜃景上。
  12. With the development of reusable launch vehicles, the thermal protection system has been oriented by the idea of incorporate design which involves thermal protection - structure - thrust system. at the same time, the weight proportion of thermal protection system has been reduced, but the working temperature of thermal protection system has been increased

    隨著可復使用航天器的發展,防護系統在向著防-結構-推進系統一體化設的方向發展,與此同時,整個防系統在總起飛量中所佔的例也在降低,而使用溫度升高,即要求防結構日趨先進。
  13. 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、兩種紊流燃燒模型等對加力室內各氣流參數、隔屏和加力室筒體壁面溫度分佈的影響,算結果與試驗數據較表明:不同幾何形狀加力室對加力室內紊流燃燒流場的影響要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,二階矩紊流燃燒模型更適用摸擬三維紊流燃燒流動,算方法合理,編制的算程序可靠,可供加力燃燒室優化設用。
  14. The means of transportation that i chose at ordinary times is the rail transportation basically, the subway or the light railway, because and fast, so long as than estimate more about one minute such as time, would not be late, and though its crowded degree is a bit serious, as to traffic above - ground, ones that can be accepted, will not seem too hot or too cold in hot summer and cold winter

    我平時選擇的交通工具基本上是軌道交通,地鐵或輕軌,因為相對而言較準時而且快速,只要時間多出15分鐘左右,就不會遲到了,而且其擁擠程度雖然有些嚴,但相對地面交通來說,還是可以接受的,在炎的夏季和寒冷的冬季,都不會顯得太或太冷。
  15. Argues that equal charge for equal thermal comfort is a basic point to treat the impartiality of heat charge that for residential apartments, an impartial treatment of the heat charging problem is much more important than enhancing precision of the heat meter, that the heat used to heat metering and charging should be an equivalent heat. that to deal with charging problems by recklessly cutting off an end user from the heating system would only damage the heating companies ' benefits, and that any system which satisfies household room based adjustment should be adopted

    摘要等舒適度等費是解決用戶費公平問題所選定的一個分析問題的基點;解決公寓類住宅用戶的費公平問題,提高量表的量準確度等級更要;用戶費的量應是當量量;供暖系統鎖閉改造,受損害的是改造者;能滿足分室調節的任何一種系統形式均可以採用。
  16. And, the coefficient of heat conduction, temperature rise and fall in shelter chamber experiment are made, the result shows the stable plate heat conduction method is applicable, the integration of experience formula for calculation of heat and cool load and experiment analysis is suitable for design and validation of temperature in shelter chamber, the integration can nicely reflect the condition of microclimate temperature in shelter chamber, and have importance reference value for research of microclimate condition in shelter chamber. at last, in article the comparison is made between the felt techniques and foam techniques of the laminate plates, and improved manufacture techniques of composite laminate is brought forward. the experiment indicates the improved techniques can ensure the structure strength and heat preservation and insulation performance

    基於軍用醫療方艙特殊的微環境使用要求,運用穩定平壁傳分析方法建立了軍用醫療方艙鋁塑復合夾層大板傳系數理論算模型,對軍用醫療方艙鋁-聚氨酯-鋁復合夾層大板材料隔保溫性能進行了理論分析;運用經驗分析方法進行了冷負荷算分析;並對兩算採用傳系數和艙室升溫、降溫試驗進行了對試驗研究,結果表明穩定平壁傳分析方法算傳系數方法可行,為方艙鋁塑夾層大板的隔保溫結構和性能設提供要依據,並準確表徵艙室內部微環境溫度條件,對軍用醫療方艙艙室微環境設提供參考。
  17. Laboratory glassware. glass hydrometers. conventional value for the thermal cubic expansion coefficient for use in the preparation of measurement tables for liquids

    實驗室用玻璃器皿.玻璃制液體.體積膨脹系數的常用值
  18. They are agricultural productive materials price growth rate, sown area of grain crops growth rate, grain yield per area growth rate -, natural disaster covered grain areas growth rate, net grain import change rate, grain reserve change rate, population growth rate, per income growth rate, city and town population growth rate, food industry production value growth rate, year - end pig number growth rate, medical & pharmaceutical and textile industry production value growth rate, grain marketization degree, inflation rate using the previous year as base year ( preceding year = 100 ), public grain purchases price growth rate, investment in agricultural science and technology growth rate, investment in agricultural infrastructure growth rate, growth rate of graduates number from agriculture, forestry, science & technology universities and colleges and specialized secondary schools, government expenditure for agriculture and agricultural credit growth rate, international grain price growth rate, rmb exchange rate growth rate, last grain price growth rate, economic crop price growth rate, meanwhile, a new method is attempted to be used in this paper and the grain price early - warning problem is transformed into machine learning problem by introducing statistic learning theory and svm method which are gaining popularity in machine learning field at present in the world

    在此基礎上,篩選出23個警兆指標:農用生產資料價格增長率、糧食播種面積增長率、糧食單產增長率、糧食受災面積增長率、糧食凈進口量變化率、糧食儲備變動率、人口增長率、人均收入增長率、城鎮人口增長率、食品工業產值增長率、豬年末頭數增長率、醫藥紡織工業產值增長率、糧食市場化程度、以上年為基年的通貨膨脹率、國家糧食定購價格增長率、農業科技投入增長率、農業基礎設施投入增長率、農、林、科技高校大、中專畢業生人數增長率、財政支農資金及農業信貸增長率、國際糧食市場價格增長率、人民幣匯率增長率、上期糧食價格增長率、經濟作物價格增長率。同時論文在預警方法上作了新的嘗試,把糧食價格預警問題轉換成一個機器學習問題,引進當前國際上機器學習領域中門的統學習理論和支持向量機方法,用順序回歸演算法對歷史數據進行學習建立了糧食價格預警模型。
  19. Calculating heat value, compressibility factor and relative density specific gravity of gaseous fuels

    氣體燃料值及和相對密度的
  20. Abstract : the structural and thermal stress distribution of the containerwith spiral cooling groove is calculated using direct coupled - field analysis of fea. the cooling and nocooling effects and the preliminary result of the analysis are discussed here

    文摘:通過對具有螺旋線型冷卻槽的擠壓筒結構應力和應力算及冷卻效應的對分析,給出了對實際設、工藝過程有要意義的初步結論。
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