相加指數 的英文怎麼說

中文拼音 [xiāngjiāzhǐshǔ]
相加指數 英文
additivity index
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 相加 : addition; adding; add together
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. ( 2 ) region is mainly made up of large patches which are distributed collectively. region landscape is mainly made up of the hill grassplot landscape of mountainous region and desertification landscape. ( 3 ) with the enhancement of human beings effect, landscape diversity indexes are declined, landscape evenness indexes are reduced, and landscape fragmentations are intensified

    通過這些的分析表明:甘肅省以草地景觀為主,斑塊較多,大小斑塊間差異較大,斑塊形狀較復雜,自似程度較低,區域總構形較復雜;區域總構形以大斑塊為主體,呈聚集型分佈,構成景觀主體的是山地丘陵草地景觀和裸地景觀;隨著人類干擾強度增,景觀多樣性下降,均勻度降低,景觀破碎化程度深。
  2. According to the least twin multiplication to calculating the sensitivity index in several water production functions. thus, the writer obtains the fitted the value of the sensitivity index and the varied rule. at the same time, the writer puts forward a new method named rag a ( real coding based accelerating genetic algorithm ) and combines raga with dpsa to calculating the best irrigation system under the non - sufficient irrigation of well irrigation rice in sanjiang plain

    根據《隨機水文學》理論中的時間序列分析法,建立了適合三江平原井灌水稻需水量預報的非平穩時序隨機模型;通過分析降雨隨機特性,選定季節性時序隨機模型,建立了適合三江平原井灌水稻降雨預報的月平均降雨模型;根據最小二乘法,計算出幾種常用水分生產函中的敏感及敏感系,進而得到三江平原適宜採用的水分生產函漠型及模型中敏感的變化規律;本文提出遺傳動態規劃法( raga ? dp ) ,即採用改進的基於實編碼的速遺傳演算法( realcodingbasedacceleratinggeneticalgorithm ,簡稱raga )與動態規劃法( dpsa )結合,推求非充分灌溉條件下三江平原井灌水稻的最優灌溉制度。
  3. 3 in the years of cold spring, the inner mongolia high and the aliushen low are strengthened with the low index of the east asia trough and the negative anomaly center of temperature over northeast china from surface to tropopause while the contrary conditions occur in the years of warm spring

    3 、東北地區出現春季低溫的主要環流特徵是:內蒙古高壓,阿留申低壓的強度強;阿流申低壓以及東亞大槽強度減弱,東北地區從地面到對流層頂處在溫度負距平中心內,東北地區春季高溫時則出現與上面反的變化形式。
  4. There was double - logarithmic linear correlation significantly between specific weight metabolic rate and temperature in each of weight groups. temperature exponent ( b ) in the regression equation increased with weight increasing. the covariance analysis showed that the difference between the every two temperature exponents in the equations was significant

    ( 2 )特定體重代謝率隨溫度的上升而上升,各體重組的代謝率與溫度之間均呈顯著的雙對直線關;溫度( b )隨體重的增呈現上升的趨勢,協方差分析表明,回歸方程的溫度( b )間差異顯著。
  5. The trade - weighted real effective exchange rate continued to fall in 2004, reflecting a significant us dollar depreciation against other major international currencies and relatively low domestic price inflation

    實質貿易權港匯在2004年繼續下跌,反映美元兌其他主要國際貨幣大幅下挫及本地物價通脹對偏低。
  6. The circulation of positive pna index pattern is prominent in the case of persistent forcing of negative ssta in west wind drift region or positive ssta in tropical eastern pacific, which is the typical ssta pattern during el nino peak - mature phase

    西風漂流區持續負ssta時或者熱帶中東太平洋持續正ssta時,阿留申低壓均有所強,正pna型的大氣環流特徵顯著。而當反符號的ssta持續作用時,大氣中阿留申低壓減弱,對應pna為負。
  7. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  8. The joint toxicity of heavy mental ions lead, zinc and cadmium to hydra sp. was evaluated using the additive index method

    摘要以水螅為實驗生物,採用相加指數法,研究了鉛、鎘和鋅3種重金屬離子復合污染物的聯合毒性。
  9. The result of experimentation on coupling effect of water and fertilizers on spring corn in the three gorges reservoir area indicate that water stresslead the effect low of highness and lai, and the most effect is made in shooting stage ; it has a significant positive correlation between the yield of corn and biomass, and hasn ' t none significant positive correlation between the yield of corn and the weight of roots ; the coupling effect of water and n is significant, but the coupling effect of water and k is not significant, the maximum yield of corn condition fitting - water and medium n, corn absorbs n has a threshold value during the growth, and using superfluous n is able to prick up soil drought and crop drought ; water is the leading factor which effects the yield of corn, next is n and k

    摘要三峽庫區春玉米盆栽水肥耦合試驗研究結果表明,水分脅迫導致玉米株高和葉面積降低,以拔節期受到影響最大;玉米產量與生物量呈顯著正關關系,產量與根重無顯著正關關系;水氮耦合效應顯著,適宜水分和中氮處理下玉米的產量最高,玉米生長發育對氮肥的吸收存在一定的閾值,過多施用氮肥會劇土壤乾旱和作物乾旱,水和鉀耦合效應對玉米產量影響不顯著;水分是影響玉米產量的主導因素,其次是氮效應和鉀效應。
  10. In the same periods, the dollar ' s value according to a trade - weighted index against a basket of currencies has declined by 6 per cent and 9. 6 per cent respectively

    對一攬子貨幣計算的貿易顯示,美元分別比3月中旬和年初下跌6 %和9 . 6 % 。
  11. On base of results above, composite model of ssta in pacific and circulation anomaly are constructed for analysis their evolution. during mature phase of el nino usually in winter, positive ssta dominates in tropical eastern ocean and negative ssta dominates in west wind drift district in mid - latitude ocean, correspondingly the pna index of 500 hpa geopotential height is positive which means the aleutian low gets strong, and the situation is somewhat inversely during la nina phase of ssta

    合成位反映了太平洋ssta演變特徵,以及對應的大氣環流異常特徵:當西風漂流區處于暖態而熱帶中東太平洋海溫偏低時,合成大氣模型當中阿留申低壓減弱, 500hpapna為負異常;當西風漂流區處于冷態,熱帶中東太平洋處于暖態( elnino峰值?成熟期ssta典型分佈) ,合成大氣模型中阿留申低壓強, 500hpapna為正異常。
  12. Volume shrinkage of sample results in the increasing of the value of the crystallization rate vc and the decreasing the values of the avrami exponent n in the primary crystallization and s, defined as the relative crystallinity degree when experiment data deviate theoretical predicting straight line. compared with the avrami equation, the price equation hardly makes progress on describing the behavior of polymer later stage crystallization

    樣品體積收縮,導致avramin值減小;結晶速度v _ c值增;表示實驗值偏離理論預測直線時的對結晶度_ s值減小;與avrami方程比, price方程仍不能較準確地描述高聚物等溫後期結晶行為。
  13. The high p / e ratio has confused the financial order, has strengthened financial risks, hinder the growth of the real economy, not benefit the forming of correct investment concept, encourage behavior of speculating, cause inefficient distribution full play of function. we can reduce the high p / e ratio, suppress the p / e ratio to increase, by improving the management level, perfecting stock right structure and administration structure of the listed company, strengthening supervision of the listed company, stopping up all sorts of abnormal behavior of the stock market, perfecting the stock market system, trying one ' s best to reduce the government ' s intervention, changing means of the government interfere etc. then the china stock market can get lasting, healthy development

    解決好我國股市市盈率過高的現象,可以從以下幾方面著手提高上市公司的經營水平,增強其盈利能力是降低股票市場市盈率的跟本;完善上市公司的股權結構,解決中國上市公司「一股獨大」的問題;要完善上市公司的治理結構,健全董事會制度是核心,發揮監事會職能實現權力制衡,構造適合中國國情的監督機關,對經營者激勵與約束同等重要,強化經營者的激勵和約束,讓利益關者行動起來;強監管,堵絕股票市場的種種不規范現象,對莊家的運作強化監管,對其違法違規行為大懲治力度是促使中國股市持續、穩健發展所採取的必要措施;同時完善股票市場的制度建設,完善的退市機制,盡早推出確實可行的股票價格期貨市場;盡量減少政府的干預,轉變干預手段等。
  14. With the internationalization of the financial markets, the upgrading of the role of the institutional investors, and the speeding up of the financial instrument ' s innovation, the transaction of the stock price index futures ( the abbreviation " index - future " ) becomes more and more prosperous in the developed securities markets and the new emerging securities markets as well

    隨著金融市場的國際化發展,機構投資者的主導地位的崛起,金融工具的創新不斷快,股票價格期貨(以下文中簡稱股期貨)交易不僅在發達證券市場得到繁榮發展,而且不少新興證券市場也竟開設。
  15. The results indicated that as the intensity of sward cleavage increased, elymus nutans and other plants that had high requirements in soil aeration and resource space presented an increased competitive edge and the species that had low requirements in soil aeration and resource space presented an opposite picture ; low - intensity sward cleavage could help increase species diversity to a certain extent, but the diversity index appeared to decline as a whole as the cleavage intensity increased ; the effects of sward cleavage on functional groups of the vegetations showed in such manner as e. nutans - represented grasses increased in their composition with the intensity of sward cleavage raised, and sedges and forbs decreased in their compositions with the intensity of sward cleavage raised ; sward cleavage showed a significant improving effect on primary productivity of the meadows and was capable of increasing the proportion of quality - grass biomass to the total plant biomass ; sward cleavage could be independently employed as an effective measure to rehabilitate and improve alpine - meadow grasslands and thus played a basic and key role in the technical combination aiming at establishing hay fields characterized by e. nutans

    結果表明:垂穗披堿草等對土壤通透性和資源空間要求較高的物種,競爭力隨劃破強度的增而上升,而對土壤通透性和資源空間要求對較低的物種則反;輕度劃破干擾對提高物種豐富度具有一定的促進作用,但多樣性則總體上表現為隨劃破強度的增而呈下降的趨勢;劃破干擾對植被功能群的影響表現為以垂穗披堿草為代表的禾草類組分隨干擾強度的增而顯著上升,莎草類和雜類草組分隨干擾強度的增而顯著下降;劃破干擾對草地初級生產力的提升具有顯著的促進作用,且可顯著增植物總量中優質牧草的比重;劃破干擾可獨立作為高寒草甸類草地恢復與改良的有效措施,在定向培育垂穗披堿草型割草場的技術組合中具有核心和基礎性的地位。
  16. By reducing bromine content and adding aluminum hydroxide in the surface of substrate for the printed circuit board, comparative tracking index ( cti ) of the substrate is improved significantly, meanwhile the size stability, heat resistance, the glass transition temperature of the substrate are improved too

    摘要通過降低印製電路板的基板表層的嗅含量並入氫氧化鋁,顯著提高了基板的比漏電起痕( cti ) ,並同時提高了基板的尺寸穩定性、耐熱性、玻璃化溫度。
  17. Adopting the actual county - grade database of land use firstly founded in china, combining with the comprehensive influential factors of land use change, using the correlative statistic software and the mathematic analytical methods ( principal component analysis, gray relating analysis, multivariate time series markov chain analysis, multivariate regression analysis, gm ( 1, 1 ) gray model, gray series gm ( 1, n ) model methods etc ), this paper analyses the dynamic change of land use and driving force in jiang ' an county qualitatively and quantitatively. the results indicate : 1 the land resource per capita and the area of single - land - use type in jiang ' an county are not prior to other places in yibing city or sichuan province. however, the terrain is dominant in choosing the way of land use

    本文採用全國首批建立的「縣級土地利用現狀據庫」的基礎據,結合影響土地利用變化的經濟、社會、環境等綜合因素,採用關分析軟體( dps 、 spss )和學分析方法(主成分分析、灰色關聯度分析、多元回歸分析、多元時空序列馬爾柯夫鏈分析、 gm ( 1 , 1 )預測模型分析、灰色序列gm ( 1 , n )模型分析等方法) ,對江安縣土地利用變化及其驅動力進行定性、定量研究,研究結果表明: 1江安縣人均總的土地資源量和單一土地利用類型的量在宜賓或四川省區域內均無優勢;地形對土地利用方式的選擇起著主導作用;土地利用變化的總趨勢是:耕地、林地、交通用地和水域面積不斷減少,居民點及工礦用地和未利用地面積不斷增;景觀多樣性呈現「 」趨勢。
  18. There were 83 species in the community 4 ( castanopsis sclerophylla - camellia oleifera - maesa japonica community ), and castanopsis sclerophylla, castanopsis fargesii and schima superba were the dominant species of tree layer, and camellia oleifera, itea chinensis and symplocos sumuntia were the dominant species of succession layer, and maesa japonica was the absolute dominant species of regeneration layer. there were 76 species in the community 5 ( castano

    用物種重要值代替物種多度來測定物種多樣性,結果表明: margalef豐富度隨著群落層次的物種而增,與群落各層次的個體無關,各群落的喬木層的simpson多樣性、 shannon一wiener多樣性、 simpson均勻度、 shannon一wiener均勻度4個一般小於其演替層的,演替層與更新層的之間無必然大小關系。
  19. The msci singapore index, for example, has climbed 58 per cent over the past 12 months, well ahead of comparable benchmarks in the us and europe

    例如,摩根士丹利資本國際新在過去12個月中上漲了58 % ,遠遠超過歐美的表現。
  20. After adjustment for age, height, mean arterial pressure, and heart rate, aortic augmentation index correlated independently with the presence of migraine, the researchers note, but aortic pulse wave velocity did not

    研究人員出,在年齡、身高、平均動脈壓、心率調整以後,主動脈增只和偏頭痛病人關,但是脈沖速度沒有增
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