質子氣體模型 的英文怎麼說

中文拼音 [zhízixíng]
質子氣體模型 英文
proton gas model
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • : 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...
  • : 體構詞成分。
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • 質子 : [物理學] proton; uron; hydrion; merron質子泵 proton pump; 質子層 proton sphere; 質子轟擊 proton b...
  • 氣體 : gas; gaseous fluid
  • 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
  1. On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element

    本文正是在銀河系化學演化的基礎上,利用銀河系的三成分( threezone ) (即暈、厚盤和薄盤)多相( multi - phase ) (,分云,大、小量恆星以及剩餘物)的化學演化的理論,通過與觀測約束(量面密度、場星的年齡-金屬豐度關系、太陽附近g矮星金屬含量分佈函數、三成份的特徵量、元素的星系化學演化、超新星的爆炸率、內落速率等)的比較,來檢驗的合理性。
  2. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of alkaline fuel cell ( afc ) and pemfc have been expressed with the tffa model, including oxygen transferring in gas channel of gas diffusion layer and reaction layer, oxygen dissolution and diffusion in thin - film of reaction layer, oxygen reaction and diffusion in flooded - agglomerate of reaction layer and the conduction of electron and ion. numeric algorithm of the model equations is also obtained

    本文將tffa應用於堿性燃料電池( afc )和交換膜燃料電池( pemfc )陰極,推導出陰極各種傳遞和反應過程的描述方程,包括氧擴散層和反應層通道中的擴散,氧在反應層薄膜中的溶解和擴散,氧在反應層浸漬聚集中的反應和擴散以及電和離的傳導,並給出方程的數值解法。
  3. Using the numerical computation method to simulate the pure air flowing in the plasma generator and using zero dimension theory and continuous medium hypothesis to establish the mathematical model of the plasma generator and applying the curvilinear coordinate to disperse the space of the plasma generator, applying simplec method to solve the set of discredited equations

    應用數值計算的方法擬了等離發生器內部的純空流動,應用零維理論分析和連續介假設建立了描述等離發生器內部流動和傳熱的數學;採用貼坐標系對等離發生器的流場空間進行空間離散;採用simplec演算法來求解離散方程,獲得流場的數值解。
  4. In the thesis, we proposed a random lattice model of mea the lattice model randomly occupied by three kinds of particles, pt / c, nafion and ptfe ( poly - tetra - fluoro - ethylene ), was generated on a computer by the means of monte carlo method. it was supposed that current was only produced on those catalysts which have not only channels of electrons via carbon but also have channels of proton via nafion. the purpose of the work, in a word, is to find how many catalysts, pt / c, with such a two - types channels

    本文首先建立了交換膜燃料電池的膜電極的隨機方格,在電極各格點位置用montecarlo方法生成隨機分佈的電極粒、 nafion粒和聚四氟乙烯團粒,認為只有那些既有傳輸通道,又有連續的電通道和擴散通道的胞元才產生有效的電流,而其餘胞元不產生電流,把電極的輸出電流轉化成一個概率事件。
  5. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離的可見光光譜以監測微波等離化學相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離溫度場綜合、復合介基片材料的復合溫度場及復合介材料溫度場攝動,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離化學相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積壓、基溫度等不同實驗工藝參數對金剛石薄膜量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  6. Qiandaohu lake was very famous for its clean water quality. but in recent years the water body has become seriously eutrophic especially during summer months in some areas of the lake and came to the attention of national, provincial and city environment protection agency. the main objective of this study involved the following : sampling and monitoring water from the lake ; water quality assessment and biological assessment ; ascertain the limiting factors for phytoplankton growth ; fuzzy cluster analyse of water pollution of all sampling points ; predicting total phosphorus concentration in the lake by using static models ; setting up regression models and their application ; setting up an eco - dynamic model and its simulation

    本研究根據1998 - 2000年連續監測數據,對千島湖進行了水評價和生物評價;分析了千島湖水富營養化的限制性因;同時根據千島湖各個取樣點的污染狀況,對千島湖進行水環境量區劃;利用前人的經驗統計預測了千島湖現有的磷濃度水平及治理所需要削減的污染物負荷量;並且組建了多個回歸統計,運用這些預測千島湖水中的總磷濃度;最後根據多年水、底、生物等方面的監測數據以及千島湖流域的象和社會經濟狀況的資料組建機理性的千島湖富營養化
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