atmospheric concentration 中文意思是什麼

atmospheric concentration 解釋
大氣濃度
  • atmospheric : adj. 1. 大氣（中）的。2. 大氣所致的。3. 空氣的。4. 氣壓的。5. 有…氣氛的。adj. -ical ,-ically adv. 在大氣影響下，氣壓上。
  • 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 : according to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed

    文摘:利用賀蘭山地區沙塵暴歷史資料和綜合觀測資料，對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒（ tsp ）及粒徑分佈、微氣象、分光日射觀測以及沙塵樣品進行中子活化處理，分析了該地區浮塵、揚沙和沙塵暴形成規律，氣候變化特徵和賀蘭山的影響。
  2. According to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed

    利用賀蘭山地區沙塵暴歷史資料和綜合觀測資料，對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒（ tsp ）及粒徑分佈、微氣象、分光日射觀測以及沙塵樣品進行中子活化處理，分析了該地區浮塵、揚沙和沙塵暴形成規律，氣候變化特徵和賀蘭山的影響。
  3. Nuclear energy. measurement of environmental radioactivity - air. determination by liquid scintillation of the activity concentration of atmospheric tritium sampled by the sparging technique air through water

    核能.環境放射性空氣的測量.利用噴射技術取樣的大氣氚的活度濃縮的液體閃爍的測定
  4. 4 ) the number and mass concentration distributions of the background atmospheric sand particles of ymchuan, bayanhot and tonggunur display a unimodal form, obeying a logarithmic normal distribution, greatly differing f

    黃沙的長距離輸送和小雨是泥雨形成的原因。雲物理和降水與來自沙塵粒子混合，尤其是小於zpm的粒子，導致了華北地區泥雨的發生。
  5. The square pattern has been obtained for the first time in dielectric barrier ar / air discharge at atmospheric pressure by using the double water electrodes and its spatio - temporal dynamics is measured by optical method. the phase diagram of pattern types as a function of air concentration and applied voltage by fixing other parameters is given

    本論文採用特殊設計的雙水電極介質阻擋放電實驗裝置，首次在氬氣與空氣的混合氣體中獲得了大氣壓常溫下的穩定正方網格斑圖，並對其進行了時空動力學測量。
  6. Abstract : in this paper ， we make a study on sampling interval revision of atmospheric diffusion parameter in concentration prediction of atmospheric environmental impact assessment

    文摘:就大氣環境影響評價濃度預測中，對大氣擴散參數取樣時間訂正問題進行了說明和討論。
  7. ( 2 ) the process of dc discharge in o2 / n2 mixtures with the different n2 concentration has been simulated. the dependences of number of collisions with the e / n and the energy of electron are given. it is analyzed stressfully that the process of electron - molecule collision with the e / n and the energy of electron in air at atmospheric pressure

    對于o _ 2 n _ 2混合氣體，模擬了不同配比條件下直流放電過程，得出了發生碰撞的粒子數隨e n 、電子能量的變化；著重分析了空氣中激發、電離、分解及分解電離碰撞的粒子數隨e n的變化，給出了電子漂移速度和平均電子能量隨e n的變化。
  8. Effect of elevated atmospheric co2 concentration on rhopalsiphum padi population under different soil water levels

    2濃度對禾穀縊管蚜種群的影響
  9. ( 5 ) the observation results of atmospheric co2 concentration in the field display the sink effect of karst soil on atmospheric co2. the result of the correlation between co2 vegetation air and the releasing rate of co2 coming from soil surface shows that the em

    的一個重要的源。 （ 6 ）上壤水化學分析的結果顯示，石林地區的土壤水中有較高的m 。 ，揭示了下覆碳酸鹽巖對上壤co 。
  10. Nuclear energy - measurment of environnemental radioactivity - air - determination of the activity concentration for atmospheric deposits on the soil

    核能.環境放射性的測量.空氣.土壤中大氣性沉澱物放射性活度濃度的測定
  11. An investigation of atmospheric hg concentration and the removal of hg by desulfurizing in flue gas of coal fired power plants in guizhou area

    貴州地區大氣汞污染及濕法脫硫裝置除汞效果的初步評價
  12. Abstract : a simple scheme of establishing bilinear time series model ( bm ) is presented for predicting atmospheric co2 concentration. the example shows that the scheme is practical and universal, which has major theoretic value and wide - ranging application in prediction of various nonlinear time series

    文摘:提出了用雙線性模型預測大氣co2濃度序列的一套簡便方案.實例計算結果表明，該方案具有實用性和通用性，在各種非線性時序預測中具有重要的理論意義和廣泛的應用價值
  13. Article 13 where atmospheric pollutants are discharged, the concentration of the said pollutants may not exceed the standards prescribed by the state and local authorities

    第十三條向大氣排放污染物的，其污染物排放濃度不得超過國家和地方規定的排放標準。
  14. Based on the ncep / ncar reanalysis products, the sea ice concentration data and the observation rainfall data in china, the seasonal, intraseasonal and interannual variations of the atmospheric circulation in the southern hemisphere ( sh ) are systematically analyzed together with their influences on east asian summer monsoon ( easm ). the major conclusions are summarized as follows : ( 1 ) in the lower level of the troposphere, the semi - annual oscillation ( sao ) is most active along 40 s and 65 s in the extratropics of the sh. over these latitudes, the variance percentages of sao exceed 70 %, and the anti - phase variation of the sea level pressure ( slp ) between the two latitudes is primarily caused by their sao components

    利用ncep ncar再分析資料、南半球海冰密度資料及中國臺站降水資料，本文系統分析了南半球大氣環流的季節、季節內和年際變化特徵及其對東亞夏季風的影響，主要結論歸納如下： （ 1 ）對南半球熱帶外大氣環流而言， 40 s和65 s是低層大氣準半年振蕩最為顯著的兩個緯帶，在這兩個緯帶上，半年波的貢獻都超過了70 ，二者季節變化的反位相主要體現為半年波分量的反位相。
  15. It was demonstrated that in june and december, as far as the daily averaged rates were concerned, whether the aerosol concentration is the heat source or the cold one depends on the aerosol density. however, the relation bears nonlinear features. in the diurnal range, the effects of the aerosol radiative forcing on the atmospheric stability depend on the vertical distribution and density of the aerosol

    結果表明，從氣候角度而言，氣溶膠濃度的差別使得即使是在6月份，氣溶膠層既可以是冷源也可以是熱源從天氣尺度而言，氣溶膠的垂直分佈和濃度對層結穩定度有著重要影響，並由此從物理上指出了沙塵暴天氣過程中輻射效應所起的重要作用。
  16. The artificial neural network is used to predict the observational data of the atmospheric pollution concentration and the test results

    摘要污染物濃度預測是環境保護的重要內容，將神經網路用於水中有機污染物濃度的預測並對效果進行檢驗。
  17. Atmospheric pollution. determination of the concentration by mass ofsulphur dioxide, in the ambient air. analysis by the thorin spectrophotometric method

    大氣污染.環境空氣中二氧化硫濃度的測定.分光光度計法
  18. The numerical simulation models for the three - dimensional wind field and concentration field are set up through solving the equations of atmospheric dynamic - thermodynamics and diffusion equation for a complicated terrain, which are verified by combining the practice of yunnan kaiyuan electric power plant

    通過術解復雜地形上的大氣熱力- -動力學方程組及擴散方程，建立了三維的風場、濃度場的數值模擬模式，並以雲南開遠電廠為例對模式進行了驗證。
  19. From this natural archive they have learned that the atmospheric concentration of carbon dioxide was approximately constant for several thousand years and then began to grow rapidly with the onset of industrialization in the 1800s

    科學家從冰心這個天然檔案館得知，過去數千年間，大氣的二氧化碳濃度近似定值， 1800年代，工業化開始之後，濃度才快速增加。
  20. The uk government also sees china as a key country for the implementation of technologies that will slow the growth in the atmospheric concentration of greenhouse gases, which at the same time contribute to the countrys development

    英國政府視中國為應對氣候變化方面的一個重要全球合作夥伴，並試圖通過技術援助來減緩溫室氣體在大氣中的濃度增長。這也將有利於中國的發展。
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