氣隙系數 的英文怎麼說

中文拼音 [shǔ]
氣隙系數 英文
airgap factor
  • : 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...
  • : 名詞1 (縫隙; 裂縫) crack; chink; crevice 2 (空閑) gap; interval 3 (漏洞; 機會) loophole; op...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. There are many adaptive changes in the two research subjects ( artemisia. songarica schrenk. and seriphidium. santolinum ( schrenk ) polijak. ) in morphology and anatomy, such as with the increase of the daily age, the root - shoots ratio increased ; the root became stronger ; the ratio of leaf volume and leaf area increased ; the volume of epidermic cell decreased ; the cut - icle and phellem layer on the surface of root thickened. stoma caved in leaf ; epidermal hair of leaf and stem well - developed, palisde tissue developed well, the cell gap decreased ; the spongy tissue disappeared ; leaf is kinds of isolateralthat is the typical xeromorphic structure ; crystal cell and fibric cell increased ; conducting tissue and mechanical tissue developed well ; bundle sheath appeared

    實驗研究的兩種菊科( compositae )植物(準噶爾沙蒿( artemisiasongaricaschrenk )和沙漠絹蒿( seriphidiumsantolinum ( schrenk ) poljak . ) ) ,形態解剖方面的變化表現為:隨日齡增加,根長/株高比值日益增大;根逐漸發達;體積與葉面積比逐漸增大;表皮細胞體積變小;角質層增厚;根外部出現加厚的木栓層;孔下陷;葉、莖部的表皮毛密布,柵欄組織日益發達;而細胞間日漸變小;海綿組織逐漸消失;葉面結構常為典型旱生結構? ?等葉面;晶細胞及纖維細胞目增多;輸導組織、機械組織日漸發達;具有維管束鞘等等。
  2. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔度、毛細吸水和滲透、持水量、抗壓強度、抗鉆強度、吸附水蒸的能力、透性、外觀顏色等列參的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了統研究。
  3. The system measures photosynthesis rate by using infrared co2 gas analyze method. it has two work modes : open route and close route. it can measure the leaf photosynthesis rate, transpiration rate, stomata conductance and co2 thickness in cell clearance etc parameters about plant physiology

    本文研究設計了測定光合、蒸騰速率的主從式虛擬儀器統,統採用紅外線分析法測定光合速率,設置有開路和閉路兩種測定方式,可以測量植物葉片的光合速率、蒸騰速率、孔導度和細胞間co _ 2濃度等與植物光合作用相關的參
  4. Taking example for the outside - diameter measurement of the spindle, method of how to use the traditional air - gap inductance - type transducer to realize the on - line measuring system on the nc grinding machine is introduced in this article

    本課題來源於安徽省「十五」攻關項目「控機床在線檢測統的研究」 ,以軸類零件的直徑測量為例,在現有的式電感傳感器基礎上完成控磨床高精度外徑在線檢測統的研究。
  5. The principle and the mechanical structure of the air - gap inductance - type transducer are analyzed in this article, and the static parameters are calibrated. dynamic calibration is applied to air - gap inductance - type transducer which is not good in dynamic capability, to obtain the dynamic parameters of the transducer and its measuring circuit. based on the result of the dynamic calibration, the transducer and its serving circuit are modeled so that the method of how to improve the dynamic performance can be found

    本文對現有式電感傳感器在原理和機械結構上作了深入的分析,對其參進行了靜態標定;並且針對常規電感傳感器動態響應低,不宜用於快速動態測量的缺點,引入測試統動力學的思想,設計了一套動態校準統,對現有傳感器進行多次動態校準,根據動態校準的實驗結果對現有傳感器建立學模型,得到現有傳感器的動態特性;在此基礎上,根據磨床工件在線檢測的要求,設計一個硬體補償統來提高整個測試統的動態特性。
  6. Influence of end effect on air gap magnetic field, thrust is dwelt on, and the relationship between end effect force and structure parameters of motor is stated

    首先,理論分析了直線感應電機邊端效應對磁場、推力的影響及電機結構參與邊端效應力之間的關
  7. The influence on the electromagnetic parameters, by the change of air ply, permanment magnet length and the magnetic pole arc coefficient, are calculated by the ansys software. the optimum parameter of the magnetic pole is obtained by solving the magnetic field

    運用有限元分析軟體ansys分析了通過改變電機極弧、磁鋼厚度和厚度對電機磁場的影響,以電機性能和磁鋼利用率為目標對這些參進行了優化。
  8. Considering the effects of saturation, pole shape, some important coefficients including the effective pole - arc coefficient, the leakage coefficient, the air - gap coefficient are analyzed by electromagnetic method, and a series of useful curves are given

    考慮磁路飽和、磁極形狀等因素的影響,利用電磁場值解法對電磁計算中的有關,包括漏磁、計算極弧氣隙系數等進行了分析研究,給出了工程實用的曲線。
  9. The keep - up pressure recovery of most oil - gas reservoirs and the gas storage measurement on some depletion reservoirs have been made in china, which have endlessly caused variation of pressure difference between inside - pore and outside - pore, followed by always changes of compressibility, porosity and permeability of rocks due to injection and production time and again of reservoir fluids

    摘要目前我國許多油藏進行了保壓開采措施及對部分衰竭油藏進行儲庫改造措施,油藏流體反復注采,使得孔內外壓差不斷變化,導致巖石壓縮、孔度、滲透率發生著不斷的變化。
  10. The results of calculations and experiments show that the delay and jitter increased as the percentage of sf _ ( 6 ) in sf _ ( 6 ) - n2 mixtures increased. the results of experiments show that the delay of sf _ ( 6 ) - ar follows the same rule. the u _ ( th ) u _ ( sb ) increased as the percentage of sf _ ( 6 ) in sf _ ( 6 ) - n _ ( 2 ) mixtures increased

    B :等u _ w條件下電脈沖觸發火花的觸發延遲時間( t _ d )及其抖動( t _ j )隨混合中sf _ 6含量上升而上升,且場利用對這一規律沒有影響。
  11. ( 2 ) used the predecessors " research achievements for reference, an experimental provision by which relationship between capillaiy pressure and saturation and relationship between unsaturated permeability and capillary pressure of fracture can be determined simultaneously is developed for the first time. experiment of simplified fracture model on the provision is done

    借鑒前人的研究成果,基於動力法原理(即逐次建立水相和相之間的穩定流動狀態) ,首次研製出了一套可同時測定單裂毛細壓力飽和度以及非飽和滲透毛細壓力關的實驗裝置。
  12. The disposal of the valves and intake manifold structure not only affect fresh air charge but airflow in the cylinder, which immediately affect combustion efficiency and the performance of dynamic, economic and emission. the structure of the air distributing institution has influence on charging efficiency and the noise of engine. the combustion chamber affects compression scale which has great influence on dynamical performance ; f / v which affects the exhaust of hc ; squash area and clearance which have great influence on the intensity of squash

    缸蓋的門排列方式與道結構形式影響進充量和流在缸內的運動,從而影響了燃燒效率,對整機的動力性、經濟性以及排放都有直接的影響;配機構的形式影響充和整機噪聲等;缸蓋燃燒室決定了影響整機動力性能的壓縮比,影響hc排放的f / v和對擠流起決定性作用的擠面積以及擠,所以燃燒室對整機動力性、經濟性、排放等都有重要的影響;缸蓋是整機熱負荷與熱應力最大的部件之一,熱負荷過高將不利於發動機壽命以及可靠性的提高。
  13. According to the theory of electromagnetic fields, the large salient synchronous generator with fractional stator slot are calculated and analyzed by the finite element method ( fem ) in this paper. the fourier analysis method is applied to decompose the air gap magnetic density into the basic spatial component and a series of harmonic components and wave shape eigen coefficient of air gap magnetic field are calculated

    本文根據電磁場理論,從耦合場的弱耦合角度首先計算了定子具有分槽繞組的大型水輪發電機的電磁場,採用付立葉諧波分析的方法把磁密分解為空間基波和一列諧波,進而計算出磁場波形特徵
  14. Abstract : a 3d numerical solution of transonic turbulent flowfield inside a compressor rotor is analyzed with a consideration of blade tip clearance

    文摘:藉助于考慮葉片頂部間的壓機轉子內跨音速湍流流場的三維值解,得到了該轉子流場中的復雜渦與波結構。
  15. It can also determine the fault spot and reason. this technology has been used in some technological fields and proved efficient. it has promoted the revolution of maintance system and the historial protection is replaced by preventive maintenance. with this technology, we can improve the reliability of machine and decrease the maintance fee. recently, reserch has pick up a fervent pace in the area of fault diagnosis of electrical machines. the paper simply analyzes the fault reason of electrical machines, stressly describes and explores the methods of condition monitoring and fault diagnosis such as partial discharge, stator current, rotating speed, vibration etc. fault prognosis is now include diagnostic feature, reason, spot. prodigious improvement in signal processing hardware and software has made this possible. primarily, these techniques depend on locating specific harmonic components of the fault. these harmonic components are usually diffirent for diffirent types of faults. automated tools such as fuzzy logic based system is also simply presented in the paper

    本文從絕緣結構的故障機理入手,以絕緣結構故障的典型特徵? ?局部放電為研究對象,重點討論局部放電的在線監測方法、適用場合併比較它們的優缺點;在分析籠型異步電機轉子斷條在線監測的定子電流監測方法后,根據其缺陷,本文探討了溫升不平衡法、希爾伯特變換字濾波、小波包分析法的原理及優點;以電機軸承、偏心等故障為研究對象,通過對電機振動和轉速頻率的檢測,診斷電機的故障類型;本文的重點工作是將人工智慧技術中的模糊技術應用於電機的狀態監測和故障診斷中,力求使電機故障診斷更接近人工智慧化;最後,本文對電機狀態監測和故障診斷統進行了硬體和軟體初步設計,為實現預測維修提供了有效的技術手段。
  16. Fractal porous media can be simplified as a kind of binary mixture with different thermal conductivities. the calculated results show that heat transfer in fractal porous media is very complicated, the thermal coupling effect of matrix with pore structure is studied. when heat transfer in pore structure is neglected, the effective thermal conductivity for random sierpinski carpet is scaled up with the percent of matrix, which is described by the classic archie ' s law

    本文首先採用有限容積法分析了分形多孔介質中的熱傳導過程,多孔介質可以視為二元混合介質,計算中發現分形結構中的導熱規律非常復雜,基質與孔之間存在著很強的相互換熱,當不考慮孔體中的導熱時,本文所構造的隨機sierpinski地毯上導熱與基質率(基質百分含量)大多呈指,這與archie定律的結果是-致的。
  17. Experimental relationships between geophysical characteristic parameter and pressure, temperature, porosity, depth are built. they are basic data for subtle trap study

    建立了地球物理特徵參與溫度、壓力、孔度、埋深等的實驗關式,為隱蔽油藏的研究提供了基礎據。
  18. Abstract : the paper presents a theoretical study on the thermal conductivity of frost formation on cooled flat plate under forced convection. taking the porous meditum as a physical model of frost layer, according to the theories of heat and mass transfer, the formula on heat conductivty of frost formation is derived

    文摘:研究水蒸汽凝華結霜過程在冷壁上形成的霜層的導熱,依據隨機管子多孔介質霜層模型,假設霜層是由孔空間與冰晶骨架構成的多孔介質,其中孔空間由隨機毛細管及連接管子的接頭形成,濕空中的水蒸汽在霜層的孔空間中擴散輸運並凝華結霜,根據傳熱傳質學理論,導出霜層導熱式。
  19. However flux leakage is really exist, calculation through formular analytic method has more error, so electromagnetic field analysis is made by using finite element method ( fem ) in ansys7. 1 / multiphysics and ansys / emag programs. typical quantities of interest in a magnetic analysis are available such as magnetic flux density, magnetic field intensity, magnetic forces, power loss and flux leakage in the system of magnetic levitation. then gain the current in the coil which control levitation gap when the stage is stable

    由於存在漏磁,用公式的解析法計算有很大的誤差,因此本文採用有限元法( fem )來計算磁懸浮統磁場分佈,從而計算磁力,通過用ansys7 . 1軟體進行有限元電磁場分析計算,得到平臺穩定懸浮時電磁線圈所需電流、懸浮等控制參,由於設計的磁懸浮統為非軸對稱結構,採用2d磁場分析有一定的誤差,而採用3d電磁場分析更接近實際。
  20. The shimadzu uv - 3101 spectrophotometer was employed to get the uv - visible transmission and reflection spectra. both of the absorption coefficient ( a ) and optical band gap ( eg ) were calculated from the transmission and reflection spectra of the films. it was observed that eg decreased with an increase in the deposition pressure

    採用紫外-可見光分光光度計測定了納米- sic薄膜透射光譜和反射光譜,並通過樣品的透射光譜和反射光譜計算了納米- sic薄膜吸收吸收和光學帶eto實驗結果表明,增大工作壓導致納米- sic薄膜的光學帶的減小。
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