通量分佈 的英文怎麼說

中文拼音 [tōngliángfēnbù]
通量分佈 英文
distribution of flux
  • 通 : 通量詞（用於動作）
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 通量 : [物理學] flux; shower
  1. When primary electrons hit the surface of the chunnel, secondary electrons are generated, which make the electron distribution at the exit hole of the chunnel more uniform

    當初始電子碰撞絕緣壁時，會產生二次電子，而二次電子能改善電子在通道出口處的電子能量分佈的均勻性。
  2. 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 ） （氣體，分子云，大、小質量恆星以及剩餘物質）的化學演化的理論模型，通過與觀測約束（質量面密度、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，來檢驗模型的合理性。
  3. By analysising the thin film system, polarization and absorption of material, the relation ship between these parameters and the chroma of the light engine system is built. then a programm is writen in c + + language to realize the method

    通過分析該系統從光源到分色合色和投影鏡頭的膜系結構，偏振特性，材料吸收等對系統能量分佈的影響，建立了各個參數與系統色度之間的關系。
  4. Twenty - one bat species are known to occur in hong kong. the japanese pipistrelle is widespread and common but most of the other species are rare, or have fairly local distributions

    普通伏翼pipistrellus abramus的分佈范圍廣泛，是最常見的品種，其餘大部份較稀有或本港只有少量分佈。
  5. Poiycyclic aromatic hydrocarbons ( pah ) are priority trace organic pollutants in the clrtap ( convention on long - range transboundary air poliution ) pops ( persistent organic poilutants ) protocol. both laboratory experiments and fie1d surveys unequivocally demonstrated that pah adversely affect estuarine and marine organisms. pah are implicated in the development of iesions and tumors in fish, they produce biochemical disruptions and cell damage that iead to mutations, developmental malformations and cancel although many marine organisms do not exhibit acute responses to pah " exposure, but suffer sublethal effects

    本論文以湄洲灣海域和廈門西海域養殖區為研究區域，採用現代分析技術，從分子水平上系統研究了多環芳烴（ pah ）在海水、沉積物、養殖魚類中的含量分佈：通過現場實驗，實驗室暫養、投毒和恢復實驗系統測定了養殖魚類的肝臟、膽汁、鰓、全血等不同器官、組織的生化指標及養殖魚類肝臟、膽汁的化學指標，探討了這些指標對水環境多環芳烴污染的生物指示作用。
  6. At last, the radiation transmit process in smokescreen is discussed, and the transmitted radiation energy distribution is obtained from extinction characters of particles. the relationship between transmittance and smokescreen concentration is experimental studied, the experiment results agrees with calculated results. we also discuss the application limit and error of lambert - beer law in smokescreen studies

    本文最後討論了輻射在隨機分佈微粒形成煙幕中的傳輸過程，根據煙幕微粒的消光特性計算出輻射通過煙幕後的能量分佈情況，討論了在煙幕研究中應用lambert ? beer定律的誤差問題，並對透過率隨煙幕濃度的變化情況進行了實驗研究，結果表明，理論計算結果能夠與實驗數據較好吻合。
  7. The third section of the essay, analyzes the distributing law of passenger flow of public traffic, brings forward a new prediction method which could keep accordance to the practical distributing law of passenger flow by and large, furthermore, could meet the demand of optimizing bus dispatch system. this method based on intelligent technology breaks through the traditional way

    第三部分研究了城市公共交通線路日客流量分佈規律，提出了一種可操作性的、能在總體均值上符合線路客流客觀變化規律、可滿足以城市公共交通線路調度為目的和以此為精度要求的城市公共交通線路每日客流量預測方法。
  8. Taking xinzhou city as the case, the paper analyzes the city ' s actual situation of water supply, available water sources and their amount, distribution and development. it also calculates the mid and long term needed water amount and insufficient water amount in the city. taking the natural, commercial and life material properties and environmental function of water sources into full consideration, taking the satisfaction of the needed amount of the city and the balance and the largest capacity of every water source as the prerequisite, the paper aims at the mid and long term water supply sources ( north water sources region, douluo water sources region, shuiquanwan water sources region ) and the lest spending on the investment and operation of the self - equipped wells ; through the determination of decision variables, a model of economic management for the city ' s water supply is established, witch carries out the mid and long te rm optimal operation of water supply for the city

    本文以忻州市為例，分析了忻州市供水現狀，可供水水源、水資源量、分佈及開發利用情況，預測了中長期需水量和缺水量，充分考慮水資源的自然屬性、生活資料屬性、商品屬性和環境因素功能，通過決策變量設置，在保證城市需水量、水資源平衡和各供水水源最大供水能力的前提下，以開采忻州市中長期供水水源（北水源地、豆羅水源地、水泉灣水源地）和自備井開採的投資和運行費用最低為目標，建立了城市供水水源優化調度經濟管理模型，運用線性規劃方法進行了城市中長期供水水源優化調配。
  9. According to the demand of the concept design of china spallation neutron source ( csns ), the target station, i. e. the target, the reflector and the moderator have been simulated and optimized using monte carlo simulation software, nmtc / jam and mcnp4a, firstly. the neutron flux escaping from the target and the moderator and the heat deposition in the target, the reflector and the moderator are calculated. these results provided essential data as a basis of the spallation neutron source design

    本論文結合當前中國散裂中子源（ chinaspallationneutronsource ， csns ）工程概念設計的迫切需要，選擇國際上廣泛使用的基於蒙特?卡羅方法，用於模擬粒子輸運過程的程序mcnp4a和nmtc jam作為研究工具，首次對csns靶站進行了全面的模擬與優化，內容包括靶、反射體與慢化器系統的中子通量分佈以及熱量沉積，同時計算了靶的溫度場與應力場分佈。
  10. An automated de - noising algorithm based on the energy of wavelet packet not donoho ' s threshold algorithm is established. a gear feature vibration signal extraction method using the wavelet packet energy is proposed, which can separate gear meshing vibration, noise vibration and gear fault vibration signal from the original gearbox case vibration signal. basis pursuit ( bp ) algorithm is introduced into the filed of mechanical signal de - noising and feature extraction for the first time

    第三章擺脫了donoho的閾值消噪思想，從能量的角度建立了基於小波包的自動消噪演算法；提出基於小波包能量分佈的齒輪故障特徵信號提取方法，可以將齒輪嚙合振動信號、干擾振動信號以及故障沖擊振動信號從原始齒輪振動信號中分離出來；首次將基追蹤消噪演算法引入到機械故障信號的消噪與特徵提取上，通過對齒輪故障信號的消噪，表明了它的有效性，並對影響該方法實際應用效果的因素進行了全面的分析，同時也指出了該方法存在的局限性。
  11. Induction heater is the main part of the electromagnetic induction heating, it determines the heating efficiency and power distribution. this article designs and analyzes the induction heater and magnetic flux field concentrator

    感應器是電磁感應加熱的重要部分，對感應加熱的效率和能量分佈起決定性作用，磁通集中器的設計直接關繫到系統加熱效率。
  12. Based upon the analysis of the data obtained during the survey, it can be concluded that : 1 ) the number of biomass of macrobenthos in the yellow sea and the east china sea in autuma is higher than that in spring, while the number of density of macrobenthos in autumn is lower than that in spring ; 2 ) the number of biomass of macrobenthos in the yellow sea is higher than that in the east china sea ; 3 ) the number of species in the yellow sea is lower than that in the east china sea ; 4 ) one of the characteristics of distribution of macrobenthos in the east china sea is that the species richness increased from the coastal waters to the offshore deep waters, from the north to the south. 5 ) the species composition in the deeper part occupied by the cold water mass of the yellow sea is more stable than that in the coastal part of the yellow sea in the late 40 ~ 50 years

    通過以上幾方面的分析，結果表明： 1 ）黃東海調查海域的秋季總生物量均高於春季，總棲息密度則低於早春季； 2 ）黃東海春季生物多樣性指數高於秋季； 3 ）南黃海、東海的水文特點顯著不同：東海底溫顯著高於南黃海底溫，東海底鹽亦高於南黃海底鹽； 4 ）南黃海春秋季生物量分佈無一致規律，東海春秋季生物量除長江口外基本上自近岸向外海逐步降低； 5 ）東海大陸架大型底棲動物的種類組成較南黃海更豐富； 6 ）東海大型底棲動物的分佈特點之一為：種類數由北向南、由近岸（西部）向外海（東部）逐漸增多； 7 ）在黃海冷水團控制的海域，其底棲動物種類組成較近岸海域穩定； 8 ）幾個生物多樣性指數各有側重，都能較好地反映底棲動物的分佈特點
  13. Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available

    採用本文將隧道內的氣流看成是理想流體的一維恆定流動，通過對二郎山特長公路隧道半橫向通風系統建立隧道內的空氣動力學模型，利用計算機進行數值分析與計算，得出發生火災時，不同通風阻力條件下隧道中的風速分佈及流量分佈，並通過實驗室隧道模型實驗進行驗證與修正，依據研究結果給出了二郎山半橫向通風隧道的火災控制方案，從而解決了二郎山公路隧道通風對火災的控制問題，同時為半橫向通風公路隧道的火災通風提供科學的方法。
  14. Our research aims to research and design an spectrometer - identificator to simultaneously or separately detect the fluxes and spectra of protons, alpha particles, oxygen and iron ions distributed in space

    為了滿足當前空間環境的探測需要，需要研製一臺全頻道的空間帶電粒子探測譜儀，該譜儀能夠同時測量空間質子、粒子和重離子的能譜和通量分佈。
  15. The convective term is solved by ausm + ( a sequel to ausm which means " the advection upstream splitting method " ). the 7 species 8 steps model and 7 species 7 steps model of hydrogen / air is used in the hydrogen reacting flowfield, the 9 species 5 steps model of methane, the 10 species 10 steps model of ethane and the 10 species 13 steps model of kerosene are used in the hydrocarbon reacting flowfield, the results of the distributions of velocity, mach number, pressure, static temperature, total temperature, species mass fraction and the combustion efficiency are gained, and the numerical results of the pressure of hydrogen and methane are compared with those of the experiment

    計算中通量項採用ausm +通量分裂格式，氫反應流場採用氫/空氣的七組元八方程模型和七組元七方程模型，碳氫反應流場採用甲烷的九組元五方程模型、乙烯的十組元十方程模型和煤油的十組元十三方程模型，得出了超燃發動機燃燒室流場的速度、馬赫數、壓力、靜溫、總溫和組元質量分數分佈及燃燒效率等性能參數，其中氫和甲烷的計算壓力分佈與實驗結果進行了比較。
  16. After simulating the model of water hydraulic valves, the velocity distribution, pressure distribution, energy distribution can be obtained and relations between the valve channel and the energy loss, the negative pressure distribution can be analyzed, which offers the theory foundation for designing water hydraulic valves with the high efficiency, low energy loss and low noise

    通過對水壓閥模型的cfd穩態和瞬態解析，可以得到水壓閥內流場的速度分佈、壓力分佈及能量分佈，據此定性分析流道結構（速度、壓力、流動的分離與再附壁，旋渦的產生與消失等）與能量損失、負壓分佈等的關系，從而為設計出高效率、低能耗、低噪聲的水壓閥提供理論依據。
  17. Core sediments in the bohai have been analyzed to assess the sources and diagenesis of organic matter. two sampling sites have been chosen : e3 and e5, which are located in the center of bohai bay. it is indicated that the most important organic source is the terrestrial matter transported by the yellow river into the bohai by analyzing the distribution of

    本文測定了位於渤海中部的e3和e5兩柱樣中正構烷烴和脂肪酸的含量分佈研究表明：渤海沉積物中有機質的重要來源是黃河的陸源物質輸運，黃河的歷史變遷在柱樣中可通過輕重烴比值的變化記錄體現。
  18. Neutron flux distributions in the reactor core are measured

    測量了反應堆堆芯里的中子通量分佈。
  19. The method is used to measure the neutron flux distribution in the reactor core

    這種方法被用來測量反應堆堆芯的中子通量分佈。
  20. 5 ). the traffic volume forecasting is carried out on the background of a highway. it indicates that it is feasible using flexibility modulus method in forecasting trip production and generation, the convergence is quickly using fratar method in forecasting origin and destination table and it is convenience using multiroute method in forecasting assignment

    經分析，在進行交通量發生吸引量預測時，採用彈性系數法較為可行；進行趨勢交通量分佈預測時，採用費雷特法進行分析計算收斂較快；進行交通量分配預測時，採用多路徑交通分配比較可靠。
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