concentration data 中文意思是什麼

concentration data 解釋
資料集中
  • 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。
  • data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
  1. Multispectral data for bathymetry is often performed in relatively clear shallow waters, up to now, no one use multispectral data for bathymetry in estuary waters of yellow river, where the highest sediment concentration in the world has been observed. in another part of this thesis, multispectral data acquired by landsat - 5 tm and in situ data are used for bathymetry in estuarine waters of yellow river. statistical models based on one band and two bands of tm respectively are developed

    利用兩期水深的比對可以揭示黃河水下三角洲的沖淤演變規律，但由於實測水深資料獲取較為困難，因而利用遙感來反演水深是一個重要的選擇，為此，本文在黃河口海現代黃河三角洲沖淤演變規律與遙感應用研究端走取兩個試驗區進行了多光譜遙感水深反演試驗，試驗結果表明，在極高泥沙濃度、較強水動力條件的黃河口海域，用多光譜遙感反演水深是可行的。
  2. Based on modeling of the resultant time - dose - mortality data, the estimates of lc50 for the culture against the aphid species were 3. 0, 1. 7, and 1. 2 cominia / mm2 on days 5 - 7 after exposure to conidial shower ; the estimates of lt50 dropped from 4. 6 days at the concentration of 4. 5 conidia / mm2 to 3. 2 days at 26. 3 conidia / mm2. all aphid cadavers exhibited typical pandora syndrome. thus, the millet culture of p. delphacis was highly virulent to m. persicae, suggesting an applicability of the easy and convenient millet culture method to entomophthoralean fungi

    用第1 、 5及9代黍米培養物對桃蚜2一3齡若蚜分別進行30min的單劑量抱子浴接種試驗，均表現很強的侵染力，各代培養物的實際接種劑量分別為25 . 2個抱子/ mmz 、 18 . 7個抱子/ mmz和21 . 0個抱子/ mmz ，對桃蚜的lt50分別為3
  3. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下，不同流速對熱管空氣預熱器壁面溫度的影響；然後對影響整個流場分佈的各種因素：包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬；最後提出在分流煙道轉彎處加裝導流板，並模擬加裝導流板后的流場分佈，得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈，以論證加裝導流板能達到流場均勻化的作用。
  4. The distribution and change pattern of soil co2 concentration in soil profile data are analyzed as well as its effect factors. a model for soil caco3 eluviation - illuviation is developed based on mechanism of soil chemical thermodynamic principle and applying other modeling experience for reference

    本文以磚窯溝流域為例研究和分析了土壤剖面co _ 2濃度的分佈變化規律及其影響因子；對土壤碳酸鈣淋溶錠積進行了定性、定量研究。
  5. The article puts forward a solution that the fontal machine system for the problems of the data concentration, bank " s multi - channel join - in and the host " s dispose efficiency during the construction of finance eleclrolysation ; designs and realizes the fore - born child process communication layer of the fontal machine system

    本論文對金融電子化建設過程中面臨的數據大集中、多通道接入、銀行主機處理效率等問題，提出前置機系統解決方案；設計和實現了前置機系統的預先派生子進程的通訊層。
  6. The particle number increased with surfactant and initiator concentration though the data are insufficient for evaluating the nature of these relationships.

    粒子數隨表面活性劑和引發劑的濃度而增加，雖然數據還不足以評價這些關系的本質。
  7. The processes of surface elevation, current velocity in the compound fluid model and suspended sediment concentration in the suspended sediment transport model are verified by observed data of many stations in flood / dry season and in spring / middle / neap tide

    復合流場模型的水位過程、流速過程，以及懸沙模型的含沙量過程則經過了洪、枯季及大、中、小潮的多個站點的實測過程驗證。
  8. Based on the arctic sea ice concentration data and the ncep / ncar reanalysis data, the contemporaneous relationship of the winter sea ice in the sea of okhotsk and its adjacent sea areas with the northern pacific storm track is investigated by statistical analysis methods

    摘要利用北極海冰密集度資料和ncep / ncar再分析資料，運用統計方法討論了冬季鄂霍次克海及其鄰近海區海冰異常與同期北太平洋風暴軸的聯系。
  9. The experimental method includes selecting pure complexes of histidine - containing or cysteine - containing materials, from c - and n - terminal group of these amino acids to link to a group which have color or fluorescence or ultraviolet absorption, elucidating their binding affinity, fluorescence or uv - visible spectrum properties with zinc at physiological concentration and to elucidate their structure in the solid state via infrared spectroscopy. with the help of the concerned the data, the analysis was done to prove whether it can be applied to the zinc detection, in other words, whether it can be used as a new fluorescence probe for zinc detection

    本實驗首次選用在生物體內與zn ~ （ 2 + ）鍵合能力很突出的物質? ?組氨酸和半胱氨酸，採用類似於多肽合成的方法，在其羧基或氨基分別嫁接上一個帶有標記的基團，生成穩定的共價鍵化合物；在此化合物中模擬生理濃度條件加入鋅離子，通過紅外圖譜、紫外圖譜或熒光圖譜的變化分析鋅離子對標記基團是否產生影響，再結合有關數據分析其是否適合檢測鋅離子，即是否可能作為新的鋅離子熒光探針。
  10. Compared with measured data, this equation can describe the sediment concentration distribution better both in main flow region and near - bottom region

    與實測資料對比表明，該公式能更好地描述包含主流區與近底流區在內的泥沙含量分佈規律。
  11. The critical concentration and critical particle surface area in constant rate section is studied. the floc density pa and the floc equivalent diameter da are calculated on the basis of experimental data and theoretic analysis

    研究了等速段的臨界濃度、臨界顆粒表面積；分析計算了絮團密度_ 、泥沙絮團當量直徑d _ 。
  12. The signal accesses the microprocessor and undergoes internal a / d transformation, data procession and filtration, then directly drives the digital luminescence tubes to display the concentration of the detected methane and send out an acousto - optic alarm and show low potential detection

    此信號進入微處理器經過內部a / d轉換、數據處理、濾波之後直接驅動發光數碼管顯示出被測甲烷的濃度，並給出聲光報警、低電位檢測等。
  13. Any device that combines incoming message into a single message ( concentration ) or extracts individual messages from the data sent in a single transmission sequence ( deconcentration )

    把送來的多個報文合併成為單個報文（集中） ;或者從單個傳輸序列所發送的數據中提取各單獨報文（分散）的裝置。
  14. Furthermore, a new method to measure the concentration of ferromagnetic alloys was exhibited, and its reliability was also confirmed, which is to measure the curie point of specimens by the dsc analysis and then compare the data with ones of standard specimens so that to observe the concentration of specimens

    此外，論文中表述了一種新的鐵磁材料組成成分測定的方法，並予以比較驗證。即利用dsc分析測量鐵磁轉變居里點的變化，與標準試樣進行比較，從而確定試樣組成的含量。
  15. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點，將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區，並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點，提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上，對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析，提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式，得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解，並與實測資料吻合較好
  16. The study on soil co2 concentration redounds to understanding and illustrating the inner mechanism of caco3 deposition process and provides experiment data for caco3 deposition model development. based on the two years located research and out - door investigation in zhuanyaogou watershed, hequ county, the north west of shanxi province

    研究土壤co _ 2濃度在剖面上的分佈和變化規律，有助於認識和解釋黃土高原鈣積過程的內在機制，以土壤co _ 2濃度變化的實測數據，建立能更準確描述鈣積過程的模型。
  17. The software realize the exceptional messages extract of gas concentration data, and display abnormal symptom of gas concentration change trend and scope by real - time graphics before gas outburst, can reflect the forepart signal of the gas outburst, give a significant guide for reduce the loss and ensure safe production of coal mine

    利用軟體實現了葉瓦斯濃度數據中異常信息的提取，並通過圖形形式實時顯示突出前夕瓦斯濃度變化趨勢、幅度等異常徵兆，可直觀、明了地反映突出早期信號，對防治突出，減少事故，確保煤礦安全生產有重要的指導意義。
  18. Based on observed sea ice concentration data and simulated results, there has been noticeable downward trend in the extent of arctic sea ice during 1979 - 1998. the model shows a substantial reduction of ice advection into the eastern arctic from the canada basin, and an increase of ice export through fram strait, both of which tend to deplete the sea ice of arctic

    模擬結果表明北極海冰有很明顯的季節變化和年際變化，實測的海冰密集度資料和模式模擬結果都證明1979 - 1998這20年間北極海冰的一個最明顯的變化是海冰在不斷減少。
  19. 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。
  20. As the chlorophyll a concentration data that can be used in the correlation analysis are limited quantitatively, these conclusions are preliminary and subjected to be tested

    由於可供比對分析的葉綠素a濃度數據數量有限，本節的研究還只是對相應內容的初步探討，結論的普適性有待進一步檢驗。
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