numerical concentration 中文意思是什麼

numerical concentration 解釋
數值濃度
  • numerical : adj 數字的；數值的；用數字表示的。 （a） numerical order 號數。 a numerical statement 統計。 the ...
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  1. Abstract : with numerical simulation method the effect of the airflow pattern created by the exponential inlet on contaminant concentration and thermal comfort in an operating room was investigated

    文摘:就變化風速的送風口所產生的氣流流型對外科手術室內的細菌濃度和人體舒適的影響進行了數值模擬分析。
  2. By the numerical simulation, calculate the distribution of velocity ^ temperature and contaminant concentration of air in the room under different modes of air flow organization, and through analysing the outcomes of simulation, draw some conclusions

    對常見的辦公室環境，不同送回風方式下的室內空氣的速度、溫度及污染物濃度的分佈進行模擬計算，並對模擬結果進行分析，得出結論。
  3. Author analyzed the relationship between the length and the impurity concentration of drift region and thickness of buried oxide layer and thickness of soi and the charges of oxide layer and bias voltage of bulk and breakdown voltage and on - resistance by numerical simulation

    採用數值模擬分析方法，深入研究了漂移區長度、漂移區濃度、埋氧層厚度、頂層硅厚度、氧化層電荷以及襯底偏壓對resurf效應、擊穿電壓和導通電阻的影響。
  4. Numerical simulation of distribution regularities of dust concentration during the ventilation process of coal drift driving with exhaust ventilation

    抽出式通風煤巷掘進過程中粉塵濃度分佈規律的數值模擬
  5. Moreover, we give a further discussion on the numerical value calculation of temperature distribution. the main problem when we design the high duty - cycle high power laser diode array we face is the large amount of heat during its operation. so we change the proportion of some ingredients and the concentration of the dopage to gain high quality iii - v material

    在激光器陣列的設計過程中，針對大功率激光器嚴重的產熱問題，尤其是高占空比工作時，會有更多的功率轉化為熱的現象，我們改進晶元材料的配比、摻雜，提出適應高占空比工作的器件版圖結構。
  6. Given dynamic stress concentration factor around the interface circular lining. some examples and numerical results and illustrated, the influence of wave number, incident wave angle and combination of different medium parameters upon dynamic stress concentration factor are discussed

    針對具體算例給出數據結果討論了不同波數條件、不同入射角作用、不同的材料常數組合對界面襯砌散射波遠場位移模式和散射截面的影響。
  7. Based on physical simulation and numerical simulation, the conversion of hot water slug flooding with nitrogen foam is presented and some injection indices are optimized, including foam concentration, gas - liquid ratio, injection rate, temperature of water, slug length. from reservoir research and oilfield development, studying disadvantageous factors, the paper will have guilding value for heavy oil reservoir development of leng 43 block

    對熱水+氮氣泡沫段塞驅的關鍵技術指標，包括泡沫劑濃度、氣液比、注入速度、注水溫度和段塞長度等重要參數進行了優選，提出了注水速度80 100t d 、氣液比1 ： 1 、注水溫度95 100 、溶劑濃度0 . 5的推薦方案。
  8. Using the two - site kinetic sorption model and the two - region model, cadmium transport in field soils was simulated, the average of the numerical solution of cd transport at every soils sample was obtained and the spatial distribution of cd concentration was computed

    用基於土壤水動力學和溶質運移的物理、化學非平衡模型的數值模型，模擬了污水淹灌條件下鎘在試驗小區土壤中的運移動態，獲得了鎘在土壤中淋溶的空間分佈。
  9. The saffman force does not affect the axial velocity of the flow, while it change the concentration of the particle. the gas - particle two - phase flows in the present of temperature were also numerical simulation

    討論了絕熱、有溫差和添加熱泳力三種情況下的兩相流場，分析了溫度梯度、湍動能、軸向速度和顆粒濃度的變化。
  10. The temperature field along the axis, axial velocity, the turbulent energy, and the concentration of the particles were investigated when the temperature field varied. the numerical experiment shows that the thermophoresis force changes the concentration of the 2 - micron particle, decreasing in the main flow and increasing in the near - wall region

    數值實驗的結果表明在兩相流模型中添加熱泳力源項會對2微米顆粒在流場中的濃度分佈有很大的變化，主流區的顆粒濃度降低，近壁區顆粒濃度在溫差不大的時候，提高幾十倍。
  11. The numerical results show that the double arc transition form can make different cylinder shells eliminate stress concentration at two ends and amend stress distribution of changeover portion

    計算結果表明：雙圓弧式的過渡形式能使不同直徑圓柱殼兩端連接處消除應力集中和改善過渡段應力分佈。
  12. The result showed that the numerical model could satisfactorily reflect the sediment concentration field, and calculate the back silting intensity on the approach channel in lianyungang harbor

    研究結果表明，所介紹的研究方法可以合理地描述含沙量場特性以及計算進港航道回淤量。
  13. Considering the effects of both tides and waves, a2 - d numerical model was used to simulate the sediment movement in lianyungang harbor, and a large scaled average sediment concentration field of hai - zhou bay was computed

    摘要以連雲港進港航道為例，應用波浪、潮流共同作用下的二維泥沙數學模型，研究淤泥質海岸的泥沙運動及航道回淤問題。
  14. The results of numerical calculation show no stress concentration occurred, and the high stress regions are converted into the deep areas after applying coupling support scheme

    計算機模擬結果顯示，巷道實施耦合支護方案后，應力集中程度減小，高應力區向深部圍巖轉移，支護系統可靠性明顯增強。
  15. In chapter four, on the basis of taking up a great amount of first hand information, the article for the first time puts forward original degree of concentration index numerical value ( 1990 - 2001 ) of china coal industrial market and has engaged more objective analysis and appraisal in relation to so such sensitive problems as influence factor, market structure positioning, especially the orientation of industry policy and enterprise restructure and expansion and has figured out the core content of the article

    同時，在佔有大量一手資料的基礎上，第一次公開推出原創性的中國煤炭產業市場集中度指標數值（ 1990 - 2001年） ，並對其影響因素、市場結構定位，尤其是產業政策取向和企業重組擴張等敏感性問題進行了較為客觀的分析和評價，構造出本論文的核心內容。作為最大的發展中國家，中國歷經10餘年的煤炭市場化實踐，出現了許多值得認真研究並需合理解釋的現實問題。
  16. The comparison between the experimental data with numerical simulation show that the model have a higher precision in the lateral scouring and sedimentation deformation, time interval quantity of deposition, and output sediment concentration process during sand peak at various cross section and is applied fairly good to practical engineering

    青銅峽水庫的實測資料對模型驗證結果表明：模型在水庫不同斷面橫向沖淤變形、時段淤積量、沙峰期出庫含沙量過程都具有較高的精度，能較好地運用於工程實際。
  17. Abstract : the concentration field distributions of the elevated point sources is calculated using a numerical calculation method

    文摘:使用數值計算的方法來計算給定源強下的高架排放點源的濃度場分佈情況。
  18. Numerical examples, two cavities case, are provided to show the effect of wave number, distance between the centers of the cavities and the ground surface and distance between the centers of the cavities upon the dynamic stress concentration around the cavities edge and ground motion impacted by incident steady sh - wave

    通過具體算例，討論了與界面等距離的相鄰二個圓孔對sh波的散射，給出了數值結果，並討論了波數與圓孔至邊界距離和二圓孔中心距離變化對動應力集中和地面運動的影響。
  19. 3. the numerical result indicated that particle distribution alone surface of inhibitor was enslaved to particle diameter. particle concentration changed from single - peak distribution to multi - peak distribution according to particle size increase

    （ 3 ）數值計算表明兩相流中粒徑對絕熱層表面粒子濃度分佈有很大的影響，且隨著粒徑的增大粒子濃度由單峰分佈變為多峰分佈。
  20. Ambient air - determination of numerical concentration of inorganic fibrous particles - scanning electron microscopy method

    環境空氣.無機纖維顆粒的數值濃度的測定.掃描電子顯微鏡檢查法
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