氣導曲線 的英文怎麼說

中文拼音 [dǎoxiàn]
氣導曲線 英文
air conduction curve
  • : 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...
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式動測量用於小量程性尺寸測量的靜態特性的理論工作拐點進行了推,對動測量系統中的噴嘴-擋板型動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推,從而使動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  2. The aerodynamic characteristics of a projectile with wrap around fins are studied systematically in this paper, as follows : 1. the lift coefficients 、 drag force coefficients 、 pitch moment coefficients 、 pitch damping moment derivatives and roll damping moment derivatives are obtained from engineering calculation through looking wrap around fins as flat fins of the same projection aera

    本文對某卷弧尾翼彈動特性進行了系統研究,主要內容與結論為: 1 .將卷弧翼按照相同投影面積的平板翼進行工程估算,得到升力系數、阻力系數、俯仰力矩系數、俯仰阻尼數、滾轉阻尼
  3. The research object of this thesis is a chip - array that is fixed on one of printed circuit boards ( pcb ), which are located in a forced air field ( forced convection ) in an electronic case ; and from the essential equations of airflow we can deduce the mathematical model of the turbulent flow ; then we can establish the finite element algorithm and apply the fe software to work out the equations of turbulent flow, finally we can use the software to display and analyse the field of flow and temperature

    本文以處于強迫空對流流場中的某pcb板及其板上的電子元件陣列作為研究對象,推了紊流流場的數學模型,並建立了相應的有限元求解格式,應用有限元法分析軟體對該系統的紊流流場和溫度場進行了模擬分析:解算出pcb板上各電子元件的溫度分佈;並提出了用於求解系統風道特性的cfd方法。
  4. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場加裝進箱和由於安裝造成的流器葉片開度不一致對風機性能的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉速、變流器開度和變管網阻力等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在監測系統。
  5. All analysis and simulations results indicate several methods improving the insulation recovery of spark gap switch : ( 1 ) using the gas with good thermal conductivity, such as h2 and sf6 ; ( 2 ) using the gas flow ; ( 3 ) utilizing the v / p cure ; ( 4 ) modifying the geometry and size of the electrode ; ( 5 ) using the gas with good electronegativity, such as sf6. some experiments on the multi - pulse operation of high power spark gap switch are carried out. the insulation recoveries of switch without and with gas flow are both investigated

    結合理論分析和模擬結果,提出了體火花開關多脈沖運行特性可採用如下方法: ( 1 )使用熱性能好的體,如h2 、 sf6等; ( 2 )採用吹的方法; ( 3 )增大壓,在電極表面增加細小結構,構造平穩的v / p; ( 4 )改良開關電極結構和尺寸,採用奶頭-半球結構的電極; ( 5 )使用電負性強的體作為開關絕緣體,如sf6 。
  6. This paper, based on normalizing well logging data while drilling and correcting depth into true vertical depth and calculating reservoir parameters and etc, combining the practical ease of mobei oilfield, extracted logging and geological pattern characteristic of target oil - gas formation and geosteering mark formation, and used bp neural network and regressive analysis to create predicting mode of geosteering parameter to build relevant contrast curve ; adopted geometry geosteering method to fix on die drilling direction of bit upper and declination, the position in reservoir, to judge the real drilling case. all finely solved the problem to follow the geological target while drilling for three horizontal well these methods improve the drilling horizontal well ability by using the techniques to follow the geological target while drilling, and then it is convenient and practicable

    本文在開展隨鉆測井資料的標準化和斜井校正及儲層參數解釋與含流體性質判釋等工作的基礎上,結合研究工區莫北油田的實際情況,提取了目標油()層和向標志層的測井地質模式特徵,並採用bp神經網路法和回歸分析法建立了地質向參數的預測模型、構造了相應的對比;採用幾何向法確定鉆頭上下傾鉆進方向及其在目標層的位置,以判斷實際鉆進地層情況,很好地解決了研究工區三口水平井的隨鉆跟蹤地質目標的問題。
  7. Parametric active contour model to deal with automatic segmentation of weak edge medical image. based upon analyzing balloon force model, a minimum variation snake model is proposed and successfully applied to segmentation of weak edge medical image. in the model, variable force incorporating the information of foreground and background regions replaces constant force in the balloon snake model

    高斯力和球力等傳統的參數活動輪廓模型難以處理弱邊界醫學圖像自動分割問題,在球力snake模型基礎上,提出最小方差snake模型,該模型將球力snake模型中的恆定球力修改為包含區域信息的變力,以目標和背景兩區域具有最小方差為準則,引輪廓運動。
  8. Constrained to technologies, the lead - acid battery mainly adopted traditional charging methods such as constant voltage, constant voltage with current limitation, constant current, etc. the charging current of these methods cannot match efficiently the acceptance curve of the lead - acid battery proposed by j. a. mas. as a result, some of these methods have a low time efficiency and incompleteness charging. and some of them lead to overcharge and gas - generation, which will result in low - efficiency, time - consuming and prone - to - damage of the charging operation

    鉛酸蓄電池由於受到技術條件的限制,其充電主要採用恆壓、恆壓限流、恆流等常規充電模式,這些方法的充電電流未能有效的遵從馬斯所提出的可接受充電電流,因而有的充電方法時間效率低、充電不完全;有的則存在著過充電和析等現象,並致充電過程的低效,耗時和易損。
  9. Imported from germany, elevator kiln produce high frequency, low power loss material : nh2c equivalent to tdk pc44 and high initialpermeability material : nh13a ui 13000. advanced controlling technique of internalatmosphere and temperature curve to ensure its excellent performance, their high quality and stable character will meet telecom and networkcustomers strictly demand. we specialized in manufacturings. m. p. s transformers, inductors

    公司引進德國鐘罩爐設備,採用先進的爐內氛控制方法和特殊的,生產高頻低損耗功率鐵氧體nh2c材料相當于tdk pc44及高磁率鐵氧體nh13a材料ui 13000 ,充分滿足客戶對網路通訊用磁芯在性能和穩定性上近似苛刻的要求。
  10. Because of the small conductivity factor of organic phase change materials, all kinds of copper grids, gas sio2 and organic bentonite were added to organic phase change materials in order to heighten its conductivity factor. the conductivity factors were maesured by using time - temperature curve and comparison curve, and, the conductivity factor curves were drawn. at the same time, the entropy of phase change of every system was determined by using dsc

    針對有機相變貯能材料熱系數小的缺點,採取在其中添加各種形狀的銅網格、相sio _ 2和有機膨潤土的方法來改善體系的熱性能,利用時間-溫度法和比較法兩種方法測定體系的熱系數,並且繪制了體系熱系數的變化;同時利用dsc對上面部分體系的相變焓進行了測定。
  11. Above all, the surface of the gas turbine blade including stator and rotor heat transfer coeficience with no film cooling hole was studied with the main stream reynolds number of 150000, 200000 50000, 300000, 350000, 400000. then, the heat transfer coefficience when all cooling holes opened and only one cooling hole opened was studied partly. and it ' s studied how the mainstream reynolds number, blowing ratio and the position of holes affect the heat transfer coefficience of the surface of blade

    葉和動葉,都是先研究了在150000 , 200000 , 250000 , 300000 , 350000 , 400000雷諾數下,沒有膜冷卻時的表面換熱系數分佈,然後研究了膜孔全打開和只打開單排孔時的表面換熱系數分佈,重點研究來流雷諾數,吹風比和不同孔位出流對換熱系數分佈的影響規律。
  12. Fertilizer influenced trivially on leaf water content, while intensified markedly on the water saturation deficit. 6. due to the environmental influence, the daily variation of photosynthesis rate of achnatherum splendens leaf in different months was different, which was expressed as a two - humped curve in june and july and a single - humped curve in august and september

    6 、芨芨草葉片光合速率日進程受環境影響,在不同時期差異較大, 6月、 7月呈雙峰, 8月和9月,光合速率則呈單峰;芨芨草蒸騰速率和度日進程在整個生育期內基本上呈單峰
  13. From the adsorption characteristic curve based on potential theory, a formula for adsorption capacity, pressure and temperature is obtained and will be useful in the cbm resource evaluation in deep or virgin areas and other aspects

    以吸附勢理論為基礎,利用煤吸附甲烷的特徵,得到了吸附量、壓力和溫度三參數間的關系式,對深部和未勘探區的煤層資源評價具有指作用。
  14. Xps measurement results exhibited that no detectable fe2 + existed in the compound of a ~ fe2os doped with sn4 +, which suggest that oxygen anions or cation vacancies not only can compensate the charge balance but also significantly enhance the gas - sensitivity of a - fe2o3 based gas sensors. ( 3 ) conductive type of a - fe2o3 doped with sn4 + is showed in the n - type by hall measurement and gas - sensitivity measurement. the results of measurements and characterizations suggest that the sensitive mechanism of the a - fe2o3 based nano - materials prepared by this work be the surface resistance controlled mode

    ( 3 )首次進行了霍爾測量,並結合敏測試結果,從不同方面證實了摻錫- fe _ 2o _ 3納米半體的電類型是n型;綜合粉體的電率?溫度、元件的電阻?加熱電流特徵、元件在不同氛下的電阻特性以及比表面積等測試表徵結果,得出本文所製成的- fe _ 2o _ 3基敏元件的敏機理特徵屬于表面控制型。
  15. This essay has touched upon the following work : 1. has built up theoretic models including static mathematic models of air compressor, combustion chamber, gas turbine, waste heat recovery boiler and steam turbine which are deduced according to the feature and theory of the equipment of the object of study. upon establishment of each model based on the actual conditions, a method of multiple imitation and combination is applied to parts which have already got characteristic curves to have achieved quite accurate curves whilst the method of neural net is applied to the parts which have no characteristic curves for establishment of models

    本文進行了以下的主要工作:建立理論模型,根據對象的實際設備的特點和理論關系推機、燃燒室、燃輪機、余熱鍋爐、汽輪機的靜態數學模型;根據本研究的實際情況,在建立各部件模型時,對已有特性的部件,採用多項式擬合的方法,得到較為準確的特性,而對部分沒有的特性,則採用神經網路的方法建立模型。
  16. As a ray of light passes near the earth, it must cut through the atmosphere, which might bend the ray through the refraction of light

    作為光輻射通過接近地球時,它必須穿過大層,它可能通過折射光而致光
  17. An optical phenomenon that creates the illusion of water, often with inverted reflections of distant objects, and results from distortion of light by alternate layers of hot and cool air

    海市蜃樓:一種可以創造出水和遠處物體的倒影的光學現象,是冷熱相間的幾層空致的光而產生的結果
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