氣體常數 的英文怎麼說

中文拼音 [qìtǐchángshǔ]
氣體常數 英文
constant for gas
  • 氣 : 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...
  • 體 : 體構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 氣體 : gas; gaseous fluid
  1. 3. the mathematical model for heat and mass transfer in the adsorbent bed is established, the porous of adsorbent, the flow of adsorbate in adsorbent, the characteristic of non - equilibrium adsorption are combined in the model, and a more accurate model of fluid flow in porous media - ergun model is adopted

    它綜合考慮了吸附劑的多孔介質結構，吸附質氣體在吸附劑內的流動，吸附的非平衡特性等，並且在吸附質氣體流動模型的選擇上，採用了ergun多孔介質流動模型，比常規的數學模型更全面準確地描述了吸附床傳熱傳質的動態特性。
  2. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。
  3. Conventional gas constant

    通用氣體常數
  4. Universal gas constant

    普遍氣體常數
  5. Molar gas constant

    摩爾氣體常數
  6. According to dalton ' s law of partial pressures, the principle of experiment " determination of the ideal gas constant r ", the volume and pressure of hydrogen produced in the experiment were analyzed and discussed

    摘要從道爾頓分壓定律出發，對教學實驗「理想氣體常數r的測定」中產生的氫氣的體積、分壓和該實驗的原理進行了詳細的分析和討論。
  7. 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：簡要介紹大氣負荷研究所需的氣象科學知識、資料及其數據處理方法；建立相對濕度表示的大氣比氣體常數模型，利用地面溫度和空間垂直溫度梯度、壓力變化的規律估算大氣水汽組分變化對比氣體常數的影響；對中國及鄰區的地面氣壓記錄進行了預處理和網格化
  8. The permeation constant of gases through metals is negligible except for hydrogen through palladium or iron.

    除了氫氣能穿過鈀和鐵之外，氣體穿過金屬的透氣常數是可以略而不計的。
  9. Using the advanced technology by its head office ( newkey co., ltd. ), it produces various kinds of alumina black and white ceramic products. the component alumina ceramics, which are widely used in electron components, devices, electrical products, enjoy low loss of high frequency, high insulating strength, good specific volume resistance, small dielectric constant, high mechanical intensity and excellent airtightness and thermal and chemical stability

    本公司根據目前市場需求，生產出各種型號的黑、白陶瓷產品，廣泛應用於電子、電工、化學工業、紡織工業、水暖、宇航、環保等諸多方面，系列產品有高頻損耗少，比體積電阻大，介電常數小，強度高，氣密性、熱穩定性、化學穩定性好等特點。
  10. Aerial ionization coefficient

    氣體電離常數
  11. The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed

    對由前向爆轟產生驅動氣體並具有局部錐形收縮截面的軸對稱激波管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界面處數值振蕩的新方法成功地推廣到二維情況。分析了該激波管的力學特性。
  12. By film thickness measured, fourier transformed infrared spectrometer ( ftir ) analysis, x - ray photoelectron spectroscopy ( xps ) analysis and relative irradiance measurement, the effect of microwave input powers on deposition rates, f / c ratios, bonding configurations of ct - c : f films and the radicals in plasma originating from source gases dissociation is analyzed

    由於微波功率的改變會導致等離子體中電子溫度和等離子體密度發生變化，從而造成不同的源氣體分解過程，結果微波功率的升高導致了薄膜沉積速率的提高、 f / c比的降低，同時也導致薄膜中cf和cf _ 3基團密度的降低，而保持cf _ 2基團密度接近常數。
  13. Values of the gas ? ? law constant

    氣體定律常數
  14. This article has made a deep research on the application of expert system in gas fractionation plant, to air separating devices, in order to make the whole system work in most efficient way, we must direct the work plan and the device parameters according to the changing environment conditions, including the price of raw materials, the demand of products, the working conditions, the device capabilities and so on

    本課題研究專家系統在氣體分離裝置優化指導系統中的應用。對于氣體分離裝置，由於原料的性狀和價格、產品規格和需求、生產環境條件、裝置性能等都經常處于變化之中，因此必須隨時根據情況的改變調整生產計劃和各裝置操作參數，才能長期維持生產效益處于優化的狀態。
  15. Hydraulic pound, vibrate, noise and cavitation are the main difficult problems in water hydraulic valves, and finite element numerical analysis is proved to be an effective computational method, so numerical simulation and visualizing research on the flow field in water hydraulic valves by applying finite volume method is very important

    水壓閥中的液壓沖擊、振動、噪聲以及水壓閥中的氣蝕是研製水壓閥存在的主要難題，而有限體積數值計算方法又被證實是一種可行而有效的流場計演算法，因此應用有限體積法對水壓閥閥道內流場進行數值模擬和可視化研究，是非常有意義，也是非常重要的。
  16. In clusters, most of the “ normal ” matter ? the atoms that make up the stars, the planets and any being living on them ? is in the form of hot gas and stars

    在各星系團內部，大多數「正常」物質? ?原子，構成了恆星、行星及其所承載的一切事物? ?是以熾熱的氣體和恆星的形式存在的。
  17. In this paper introduced the study of fuzzy controller which was used for co2 supplying control from co2 source - high - pressure steel tin to culture box, studied the control of relative humidity and co2 concentration in the culture box and effects of co2 enrichment ( enrichment concentration was 900 - 1100mol mol - 1 ) on the growth of chrysanthemum plantlet and tried to clean the air in the culture box by cycling the results indicated that this environment control system operates normally and reliably. it can keep the co2 concentration and relative humidity in setting scope ; it is good to the growth of the culture plantlets to clean the air in culture box by cycling ; co2 enrichment can promote the growth and photosynthetic and can increase the percentage of shooting the number of new leaves of the chrysanthemum plantlet cultured under co2 - enriched condition is 1. 85 times of the plantlet cultured under co2 - nonenriched condition ; the number of the roots of the chrysanthemum plantlet cultured under co2 - enriched condition 5. 67 times greater compared with the plantlet cultured under co2 nonenriched condition

    結果表明：所研製的無糖組培微環境co _ 2增施監控系統工作正常、穩定、可靠，能有效地將組培箱內的co _ 2濃度及其相對濕度控制在設定范圍內；用箱外循環法對箱內氣體凈化處理后，改善了組培箱內的氣體環境，有利於組培苗的生長發育； co _ 2富集環境中，組培苗生長健壯、發育良好，生根率顯著提高，根系發達。本實驗條件下，處理組菊花組培苗的新增葉片數是對照組的1 . 85倍；處理組的根總長是對照組的10 . 6倍；處理組根數是對照組的6 . 67倍。
  18. An introduction is made on calculating the explosion limitation of the purely organic burning gas and the mixture made of many organic burning gases by using oxygen coefficient, also it systematizes the old formulas in common use, and simplifies the calculation, at the same time, it offers the speed calculation for the explosion limitation of complicated organic burning gas, whose result is fit for the practice

    摘要提出一種利用氧氣系數計算純凈有機可燃氣體和由多種有機可燃氣體組成的混合氣體爆炸極限的計算方法，對目前常用的經驗公式進行了整合與修正，簡化了對混合氣體爆炸極限的計算，也提供了對復雜組成的混合有機可燃氣體爆炸極限的快速估算，估算結果與實測值能較好吻合。
  19. The comparative measurement method for vacuum gauge calibration is introduced. the construction, principle and process of the calibrator are described. the effects of six kinds of gas on the calibrated ionization gauge are explored and relative sensitivity is obtained. the necessity of the calibration on the vacuum gauge and instrument is proved by the research

    文章介紹了對真空規管和儀器進行校準的比對法，闡述了校準系統的結構、原理及校準方法;探討了被校電離規在6種不同的氣體中的校準效果及校準前後的差異，說明了氣體歧視效應的存在和影響，得出了各氣體的相對常數;結果表明，對真空規管及儀器進行校準是必要的。
  20. The immersion electrical heater is chiefly applied in the direct contact mode of fluid heating. it features fast heat exchange and high thermal efficiency. it has the varieties of water heater, oil heater and gas heater. its heating element power density, i. e. the power per unit of heating area of the heating element, is an important parameter of the electrical heating element, which has a direct bearing on the performance and working life. the working out of the value is a highly specialized problem, being under the influence of many factors ( media flow rate, tempt, physical and chemical properties and direction in which the medium flows past the element etc )

    浸入式電加熱器主要用於直接對流體接觸加熱的場合，具有熱交換快，熱效率高等特點，分為水用加熱器、油用加熱器、氣體用加熱器，加熱元件的功率密度：即電加熱元件單位發熱面積上的功率，它是電加熱元件極重要的參數，直接影響加熱器的使用性能及使用壽命，它的取值是一個非常專業的問題，受到許多因素的影響（如介質的流速、溫度、物理和化學性質及介質流過加熱元件的方向等等） 。
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