chemical data 中文意思是什麼

chemical data 解釋
化學數據
  • chemical : adj 化學的,化學作用的;應用化學的,用化學方法獲得的。n 〈常 pl 〉化學製品;藥品。 fine chemicals...
  • 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. 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。
  2. To chemical measure, the higher molecular of peg is, the better result will be got ; to soap - free polymerization, on the contrary, the content of pmma enwrapping nano - silica effect few on results, which is obviously shown in data of stain resistance

    單從化學法本身看,接枝peg的分子量越大,結果越好,耐沾污性能表現尤為明顯;無皂乳液聚合也許由於本身方法的因素使得mma包裹量對結果影響不顯著。
  3. Abstract : based on the present possessed experimental data of steels with their different major chemical composition, this article formularized the calculation of linear expansion coefficients of fine carbon steels and low alloy constitutional steels through a series of alternate analysis, generalized statistics, curve superimposition and mathematical modeling

    文摘:對優質碳素結構鋼和幾類低合金結構鋼,在現有實驗數據的基礎上,通過迭代分離、綜合統計、圖象分析和數學擬合,得出按鋼的主要化學成分確定其線膨脹系數的計算關系。
  4. According to the physical - chemical property of the wool and the actions of the chemilacs on the wool in the solution, we take all kinds of measures such as bleaching, osmosis, setting, etc, and combine with the experiments data of the wool under the different chmical conditions. therefore, we have found the best way of the wools chemical mercerization

    根據羊毛蛋白質纖維的理化性質及其在水溶液中與化學藥劑發生作用的情況,我們採取了各種漂白、滲透、定形等措施,並結合羊毛在不同化學條件下絲光情況的實驗數據,得出最佳化學絲光羊毛的工藝路線。
  5. The adsorption isotherm of neptunium on silica gel correspond to the form of langmuir isotherm. according to clausius - claperon equation, from the slope in inkd vs 1 / t plot, adsorption heat could be estimated. from the data of adsorption heat it is concluded that the adsorption of neptunium on silica gel in nitric acid solutions belongs to chemical adsorption and the adsorption process is an endothermic reaction

    三種價態的鎿在硅膠上吸附的等溫線符合蘭格繆爾吸附等溫線的形式,是單分子層吸附;根據克勞修斯-克拉柏龍方程,以1nkd對1 t作圖,通過直線斜率計算出吸附熱,從吸附熱的數據可判斷三種價態的鎿在硅膠上的吸附屬于化學吸附,是吸熱的過程;對npov ) 、 np ( v )和np ( vd在硅膠上的吸附進行了比較,提出了三種價態的鋒在硅膠上吸附的機理。
  6. Abstract : events contributing to the establishment of statistics the science of data and its chemical branch are epitomized. as the new chemical branch named chemometrics or chemstatistics has been disputed in the circles of chemistry for a long time, reasons for adopting chemstatistics are given, which is defined as the science of gathering or generating, describing, summarizing and interpreting the data concerned to acquire new chemical knowledge or information. the fact that many traditional statistical methods, such as significance tests, analysis of variance, regression and correlation, and some others not usually considered statistical, such as model building, monte carlo method, fourier transformation, artificial nerval networks and pattern recognition, each contains one or more of the five connotations of statistics is expounded. the regular pattern that a chemstatistician grows up is approached. the urgent task is to include chemstatistics in the undergraduate or graduate curriculum of chemistry specialty. the goal of the project is to nurture chemists who know statistics

    文摘:本文追溯了統計學發展、建立中的大事,陳述了它的定義及其化學分支發展、建立的梗概;鑒于化學界對該新興化學分支學科的名稱長期存在爭議,提出了以化學統計學而不以化學計量學為該學科名稱的理由,把化學統計學定義為一個研究有關數據的收集或產生、描述、分析、綜合和解釋,以獲得新化學知識或信息的學科;闡明了許多公認屬于統計學的方法,如顯著性檢驗、方差分析、回歸和相關,以及一些尚未認定屬于統計學的方法,如模型建立、蒙特卡羅方法、傅立葉變換和人工神經網路,都含有統計學5個內涵中的一個或多個;探討了化學統計學家成長的模式,認為當務之急是把化學統計學納入化學專業的教學計劃,以培養懂統計學的化學家。
  7. All data indicated that f i was a pure substance. third, using modern analytic techniques such as nucleic magnetic resonance ( nmr ), infrared spectroscopy ( ir ), ultraviolet visible absorption spectra ( uv ) and mass spectrometry ( ms ), we analyzed the basic chemical structure of f i and nominated it phthalic acid di ( 3 - methyl ) nanyl ester ( pdne ). we estimated primarily it was a novel natural compound

    第三,利用核磁共振,紅外光譜,紫外分析,質譜等現代分析測試技術對分離提取物f進行結構鑒定,解析出f的結構,初步推斷該物質為鄰苯二甲酸- ( 3 -甲基)壬酯( pdne ) ,根據目前所掌握的資料,還沒有檢索到該物質相關的報道,初步認定為一種新型的天然產物。
  8. The function of science and technology progress in economic development is discussed from the economic and technique. this thesis divides four contents. chapter 1 analyzies cobb - dorglas production function and so1ow " worth method in remaining " theories, and introduces this thesis ’ main content. measure to calculate chemical fibre business science and technology progress contribution rate with the " worth method in remaining ", the chemical fibre business annual report data for measure to calculate basic data, calculation method adopt excel, using this method to jilin chemical fibre business in the 1995 - 2005 years science and technology progress the contribution rate proceeds to measure and analyze

    本文從技術和經濟相互關系角度論述了科技進步在經濟發展中的作用,著重分析了柯布一道格拉斯生產函數及索洛( so1ow ) 「余值法」在我國化纖企業中的適用性。針對化纖企業多年以來受產能增加和需求不足的影響而產生的效益滑坡問題,利用企業上市公司年報數據,使用excel表進行數據計算,研究歸納出一種簡捷、科學的測算化纖企業經濟增長中科技進步貢獻率的模型方法。
  9. The reason that the researchers used data from men born between 1949 and 1983 was because this was a period in the us when it would have been very difficult for most beef eating women to avoid eating meat from cattle reared using hormones and other chemical additives

    之所以選擇1949到1983年之間出生的男性為研究對象,是因為在這段時間內,美國女人吃的牛肉中鮮有來自飼養過程中不添加激素或化學物質的牛。
  10. The reason that the researchers used data from men born between 1949 and 1983 was because this was a period in the us when it would hae been ery difficult for most beef eating women to aoid eating meat from cattle reared using hormones and other chemical addities

    研究者們選擇用從1949年到1983年間出生的人的數據,是因為在美國的這個時期,絕大多數吃牛肉的母親很難避免吃到含有激素和其他化學添加劑的牛肉。
  11. It has been assessed as the chinese statistical resource journal the chinese core journal of science and technology and the chinese academic journal comprehensive evaluation database, enrolled in the guide to the core chinese periodical 2004 edition, and included by medline, abstract journal, and chemical abstracts, as well as several domestic authoritative data bases such as the china biological medicine database and chinese science citation database

    本刊始終堅持質量第一,所刊文章代表了國內中西醫結合最新水平,被確定為中國科技論文統計源期刊中國科技核心期刊中國學術期刊綜合評價數據庫統計源期刊,編入中文核心期刊要目總覽2004年版。 1983年被美國medline收錄, 2004年被美國化學文摘及俄羅斯文摘雜志收錄,還被中國科學引文數據庫中國生物醫學文獻數據庫等國內多個權威數據庫收錄,總被引頻次與影響因子均居同類期刊前列表1 。
  12. The automatic oil tank gauging system based on lonworks technology consists of field devices on tanks, data processing units, lonworks fieldbus network and control computers. it can be used in the oil stock of army and petro - chemical industry

    「基於lonworks現場總線技術的油罐測量管理系統」主要由油罐一次儀表、現場數據處理器、 lonworks測控網路和監控微機組成,主要用於部隊油庫和石油化工等行業。
  13. In many fields such as chemical engineering, biomedical engineering, and so on, many internal mechanisms of objects subject to research can hardly be recognized. however, observation data, which reflect the values of dependent variables changing with respect to the corresponding values of independent variables, can be obtained through experiments, and then be used to model the involved object, which is qualitatively describe the relationships between the dependent and independent variables

    科學技術的發展使人們對客觀世界不斷要求更為深入的認識,然而在許多領域,如化學化工、生物醫學等,仍有許多對象的內在機理暫時還難以為人們所了解,但人們仍迫切需要了解和研究它們的自變量和因變量間的定量關系。
  14. Based on the analysis of a large number of drillings, the static sounding and chemical data obtained from the present hangzhou bay coastal plain, this paper presents the sedimentary facies and architectures of the qiantangjiang river and taihu incised valleys, and the characteristics of shallow gas reservoir distribution

    摘要根據杭州灣沿海平原大量的鉆井、靜力觸探井和分析化驗等資料,研究了下切河谷(錢塘江和太湖下切河谷)充填物的沉積建造和沉積相,以及淺層生物氣藏分佈特徵。
  15. This paper studies the chemical data pretreatment and describes the contents and methods in various phases of data pretreatment such as secondary variables selection, data acquisition, data reconciliation, and input data dimension reduction

    摘要對化工數據預處理問題進行了研究,闡述了化工數據智能建模中輔助變量選擇、數據採集、數據校正、輸入數據降維等各種數據預處理的思路與方法。
  16. The application of boosting algorithm in chemical data mining

    演算法及其在化學數據挖掘中的應用
  17. Data digging and information extraction based on mainstream smoke, physical and chemical data of cigarettes

    卷煙主流煙氣及其物理化學檢測數據的挖掘與信息抽提
  18. After getting thermo - chemical data of some compounds by using gaussian 98 software of quantum chemistry and obtaining activities of elements in ti matrix, the gibbs function increments, rg, for 16 chemical reactions at the interface of 12 scs - 6 sic / ti composites were calculated

    結合量子化學研究結果,計算了scs - 6sic纖維與ti - al金屬間化合物和典型的近、 + 、近及鈦合金組成的復合材料體系可能發生的16個界面反應的gibbs函數變_ rg 。
  19. Physical - chemical data shows that slight - moderate point pollution exists in changjiang river. the inorganic pollution exists at the testing site of the 1st stream, and the predator ' s number at the testing site is obviously smaller than that of the reference site, while the number of shredder, collector and scraper each at the testing site is close to the number of those at reference site respectively

    與參照點相比,一級支流檢測點捕食者群落明顯偏低,而撕食者、集食者及刮食者群落很接近,三級支流檢測點集食者群落偏高,刮食者群落偏低,底棲動物種類單一化,而撕食者和捕食者群落比較接近。
  20. Information technology is the backbone of modern society. chemical informatics is based on chemisty, chemical engine, computer science and information technology and a new interdisciplinary, which including chemisty, chemical engine philology ; interpreting, managing and transporting chemistry knowledge with computer technology ; chemical graphics ; explernation and digging of chemical data ; education and long - distant information retrieve. the work is accomplished in this background

    信息技術是現代社會生活的重要支柱,化學信息學( chemicalinformatics )是以化學、化工、計算機與信息技術為基礎的一門新興邊緣學科,包括:化學、化工文獻學;化學知識體系的計算機表示、管理與網路傳輸;化學圖形學;化學信息的解析與數據挖掘處理;化學知識的計算機推演;化學教育與教學的現代技術與遠程信息資源。
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