空氣對比法 的英文怎麼說

中文拼音 [kōngduì]
空氣對比法 英文
air contrast method
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 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...
  • 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
  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,在不考慮燃燒的冷態情況下,研究了熱風爐燃燒室內的流分佈規律.在此基礎上,較了2種不同設計方案的流流動特徵,尤其是研究了燃燒器通道內阻流板的設置與否和煤的流動和混合的影響.結果表明,阻流板的設計加強和煤的混合有著極為重要的作用,同時也增加了管道的阻力損失,在同樣的工況條件下需要提高管道系統的總壓力
  2. In addition, it is claimed than the flow of air across the perimeter fenestration reduces the potential for condensation

    另外,它主張與流通相較,面的周邊開窗可以降低結露的可能。
  3. In chapter 2, the meteorological knowledge, data and the methods of the data processing, related to the study on the atmospheric loads, are simply presented. the model for the perfect gas constant, describes by the relative moisture, is developed. the influences of the variation in the vapor component in the atmosphere on the perfect gas constant are evaluated by using the changing characteristics of the temperature on the surface, its spatial gradient and the barometric pressure

    第二章:簡要介紹大負荷研究所需的象科學知識、資料及其數據處理方;建立相濕度表示的大體常數模型,利用地面溫度和間垂直溫度梯度、壓力變化的規律估算大水汽組分變化體常數的影響;中國及鄰區的地面壓記錄進行了預處理和網格化
  4. Contraposing the measurement principle of the traditional hotwire air mass flowmeter, the reason of the excursion of the result for flow measurement was analyzed and inferred when environment temperature changed ; the method for temperature compensation and the realization circuit was given ; and compared the theory output of the new type hotwire air mass flowmeter with its real output after temperature compensation

    摘要針傳統型熱線式質量流量計的測量原理,分析和推導出當環境溫度變化時流量測量結果產生偏移的原因;提出了一種環境溫度的補償方和具體的實現電路;並經環境溫度補償后的一種新型熱線式質量流量計的理論輸出和實際輸出進行了計算與較。
  5. As a result, in the paper, considering the altitudinal effect ( topography factor ) and the influence on the temperature lapse rate by topography and latitude and longitude and moisture transfer, the study on the daily surface air mean, max and min temperature in the reaches of yangtze rive is attempted by five models, which include the gaussian weighted model, the gaussian weighted model associated with the error - modification, the gradient plus inverse distance squared model and the modified gaussian weighted model a and b that take topography - factor into account

    本文考慮海拔高度和溫度直減率受地形和經、緯度及水汽等因素的影響,通過利用高斯權重、結合逐步訂正的高斯權重、梯度距離權重反和加入地形影響項(地形因子)的兩種改進高斯權重的方案a 、 b ,長江流域的地面日平均、最高和最低溫場進行了間化插值研究。
  6. From the studies of the methods of photoemission, capacitance and ultrasonic to detect the air in the transfusion pipe, the best way to detect the air is the use of ultrasonic

    通過較光電式、電容式和超聲波式三種輸液過程中的檢測方,可知超聲波檢測為輸液管內檢測的理想方
  7. The paper analyzes the characteristic of aerodynamics with structure of helicopter propeller blade, dissertrates vortex theory and the theory about gliding air field which produce the power of helicopter propeller blade. at the same time it also deduce the method of computing the induced velocity produced by helicopter propeller blade with vortex theory. at last, an influcence to the spreading of sound is discussed

    並且將兩種定位演算進行了較,說明了優劣;結合直升機的結構分析了旋翼的動力特性,論述了直升機旋翼產生拉力的滑流理論和渦流理論,結合渦流理論論述了直升機旋翼流場誘導速度的計算方,在此基礎上分析了直升機旋翼流場聲音傳播的影響。
  8. According to the question of using natural cooling will prolong the period of opening cylinder for overhaul, we expound three modes for the steam turbine quickly cooled after being stopped, these are vacuum and aeration - cooling, pressure - air cooling and steam 1ing, then analysis and contrast them

    摘要針汽輪機採用自然冷卻方式會延長機組檢修開缸時間的問題,提出了汽輪機停機后的三種快速冷卻方式:抽真通汽冷卻、壓縮強迫冷卻和蒸汽冷卻,並這三種方式進行了較和分析。
  9. The reasults are summed up as following : ( 1 ) the more metaphase chromosomes of bmn cells and moderately contraction can be obtained by air - drying after cultured at the colchicine concentration 1. 0 u g / ml, 28 " c, for 6 - 9h

    乾燥和培養細胞貼片bmn細胞的染色體和有絲分裂進行研究發現: ( 1 )採用乾燥制備bmn細胞的染色體,在終濃度0 . 1ug / ml的秋水仙素28培養6 9h條件下可得到較多中期分裂相,染色體的凝集也較適中。
  10. 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流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦;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,計算了冷卻通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、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;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,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,于葉片內部通道冷卻結構的設計可以起到指導的作用。
  11. Under the appropriate conditions of sampling equipment of gas chromatographic headspace analysis, determine a suitable salt and a suitable extracting solvent by the orthogonal design method, then determine the fitting feed composition of ethanol - water mixture, the fitting distribution between extracting solvent and mixture, and the fitting salt concentration by the uniform design method

    建立的頂相色譜采樣裝置的操作條件進行優化之後,先用正交試驗設計確定非連續性因素鹽和萃取劑及其在備選水平中的適宜水平,再用均勻試驗設計確定連續性因素乙醇的進料濃度、萃取劑配和加鹽量及其備選水平中適宜的水平范圍。
  12. In the extended experiment we modulate the sand grain diameter and air humidity to contrast with the natural result, discuss the effect of diameter and humidity on sand incipience, propose some ideas and methods to control sand transportation and formulation of wind - blow - sand flow

    本文還拓展了實驗條件,通過調整沙粒粒徑配濕度,完成了性實驗,並進一步探討了粒徑和濕度沙粒起動的影響,提出了在沙漠工程中控制風沙流形成和沙粒輸運的思路和方
  13. During the course of the research, the criterions of the interpolation effect are mean error ( me ), mean absolute error ( mae ), root mean squared interpolation error ( rmse ) and the difference of mean square deviation between the measured and the estimated surface air temperature. the conclusions are as follows : ( 1 ) by contrasting the gaussian weighted model associated with the error modification with the gaussian weighted model, the error modification is proved to considerably ameliorate the precision of spatial interpolation ; ( 2 ) on the base of the gaussian weighted model, taking altitudinal effect into account can reflect the trend in which temperature changes according to the topographic altitude and may ameliorate the precision of spatial interpolation correspondingly and apparently, which indicates that topographical effect on the preciseness of spatial interpolation can not be disregarded in terms of the region with complicated topography ; ( 3 ) the map of daily surface air temperature distribution, using the modified gaussian weighted model a and b, can accurately reflect the temperature - changing - with - topographical - altitude trend. among them, the better is the model a, whose me is below 0. 03 ?

    在此過程中,採用平均誤差( me ) ,平均絕誤差( mae ) ,插值平均誤差平方的平方根( rootmeansquaredinterpolationerror ,簡稱rmsie ) ,插值前後測站要素值的均方差( meansquaredeviation ,簡稱msd )差值作為判定插值效果的標準,得出如下結論:通過高斯權重與結合逐步訂正的高斯權重,說明結合逐步訂正方案的高斯權重可大大提高地面日溫的插值精度;在高斯權重中加入海拔影響項可以反映出溫度隨地形高度的變化趨勢,同時也能較大地提高地面日溫的間插值精度,說明在地形復雜的區域,地形影響在插值精度中是不可忽略的;于高斯權重的兩種改進方案得到的地面日溫分布圖都能很好地反映出表面大溫隨地形高度的變化趨勢。
  14. On the base of fully utilizing the available data about tectonic maps and structural elements, the present paper has made synthesized research that used the ways of stratigraphic sequence edge unconformity analysis and stratigraphic thickness correlation analysis, and combined seismic - data interpretation, review of paleo - structure and ancient landform and research of tectonic evolution and petroleum system, and combined region and location, plane and profile and time and spatial. by the synthesis analysis on tectonic evolution of hetian paleo - uplift in tarim basin, the results indicate that : ( 1 ) hetian paleo - uplift is a sedimental and erosional paleo - uplift. the formation and evolution of the hetian paleo - uplift experienced three stages, that is, the uplifting and eroding stage of the caledonian period, the depositional stage of the hercynian period and the destroying stage of the himalayan period, and evolved from paleo - lift to inclining strap at last

    本文採用地質和地球物理相結合的研究思路,運用多種技術手段和方;在充分利用已有構造圖資料和構造要素資料的基礎上,運用地層層序邊界不整合分析、地層厚度分析,結合地震資料的精細解釋、古構造和古地貌的恢復、構造演化史研究、含油系統的研究,和區域和局部、平面和剖面、時間和間的結合研究,塔里木盆地和田古隆起構造演化及油關系進行了綜合分析,認為: ( 1 )和田古隆起為一沉積?剝蝕性古隆起;形成於志留-泥盆紀;其構造演化可分為三個階段,即加里東期的抬升剝蝕階段、海西期的沉積階段和喜山期的破壞階段,最終由古隆起演變為一斜坡帶。
  15. Researching and analyzing on the test results of the influence of atmospheric parameters on outer insulation discharge voltage and its various emendation methods, it can be concluded that : with the change of relative air density, its humidity ratio h / ? will also change even though the absolute vapor mass ( absolute humidity h ) of the air is constant. consequently, the influence degree of the humidity on the discharge voltage should change, too

    本文通過以往的大參數外絕緣放電電壓影響的試驗成果及各種校正方的研究分析認為:隨著相密度的變化,即使中所含水的絕質量(絕濕度h )保持恆定,其濕h也會變化,必然地,濕度放電電壓的影響程度也會變化。
  16. The radiation pattern of the antenna is more rotationally symmetric, and a more reduction on the sidelobe levels of the antenna is achieved as compared to the antenna with the corrugated soft surface. in conclusion, in the present thesis both theoretical and experimental research works have been carried out intensively on patch antennas based on photonic - bandgap structures. it is shown that our photonic bandgap structures can greatly improve the performance of the patch antennas

    該平面圓環結構軟表面天線是在介質的皺褶圓環結構軟表面天線的基礎上改進得到,為了便於較,我們首先研究了介質的皺褶圓環結構軟表面天線,用fdtd方並結合pml吸收邊界條件該天線的性能進行了研究,結果表明天線的帶寬增加,天線的軸稱性得到了很大改善, e面和h面方向圖的波束幾乎重合,天線的旁瓣和背瓣受到很大的抑制。
  17. Abstract : nano tio2 was dip - coated on active air purification sieve of active carbon. the purification effect of this sieve against various polluting gases were investigated. the result showed that purification effects on h2s, nh3, hcho, co, and toluene were notably enhanced throush degradation of pollutants by photocatalysis agent under uv irradiation, which resulted in enhanced purification ability of active carbon

    文摘:採用浸塗在活性炭凈化網上負載納米二氧化鈦,在紫外光的照射下,凈化網一氧化碳、甲醛、硫化氫等污染物的凈化能力明顯增強,實驗表明,在紫外光照射下光催化劑使被吸附的污染物發生降解反應而提高活性炭的凈化能力。
  18. In addition, describes the trouble diagnosis of catalytic converter by using the comparing method of double waste - gases, the comparing method of cold and heat idle speed, the temperature differential method in idle speed, the vacuum measuring method and etc

    另外,闡述了利用兩次廢、冷熱怠速、怠速溫差及真測量等方催化轉化器的故障診斷。
  19. Such acts of "clearing the air" are often more helpful to the clearer than to those who are starkly revealed.

    這種「凈化」的作清潔者經常那些徹底被揭露者更有利。
  20. In this paper, some factors influencing its temperature field have been synthetically analyzed including the ambient temperature, solar radiation, air convection and sky radiation, ground radiation and so on. the hourly temperature of the roof and walls of the tested building in summer and winter was calculated with the finite element software - ansys. the results from calculation had well consistent with the experimental results

    本文結合試點建築溫度場監測結果,理論分析了影響建築物溫度場的各種因素,包括:大溫度、太陽輻射、流以及天輻射、地表環境輻射、建築物自身輻射等因素,總結了實用計算公式,採用有限元數值方,藉助有限元軟體ansys進行了屋面和各方位墻體在自然環境作用下的溫度場模擬分析,與實測結果較吻合。
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