梯度型 的英文怎麼說

中文拼音 [xíng]
梯度型 英文
gradient-type
  • : Ⅰ名詞1 (梯子; 樓梯) ladder; stairs; steps; staircase 2 (姓氏) a surname Ⅱ形容詞(形狀像樓梯的...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. The growth dynamics of tree basal area of form. taxus chinensis var. mairei population in different altitude were discussed using the liu - logistic model, and the results showed that the altutide of 790 meters is more suitable to the survive of form. toms chinensis var. mairei population than 990 meters. plot sampling was selected and dynamic analysis was used to study the height structure of taxus chinensis var. mairei population, and the quadrate picture of height structure and the curve of survival rate were drew

    運用改進模對南方紅豆杉種群在不同海拔的種群優勢增長進行了探討,表明海拔790m處的南方紅豆杉具有較大的環境容納量,但增長速不快,海拔990m處的南方紅豆杉種群環境容納量不高,但具有較大的增長速,這可能與群落的發育階段不同有關,兩地海拔均為南方紅豆杉適宜的生長海拔高,相比而言,海拔790m的珍稀瀕危植物南方紅豆杉種群數量特徵的研究高更宜於南方紅豆杉種群的生長。
  2. Key experiments that validate mathematical models are also discussed, as well as molecular, cellular, and developmental systems biology, bacterial chemotaxis, genetic oscillators, control theory and genetic networks, and gradient sensing systems

    同時,亦會討論能驗證數學模的重要實驗,同時也討論分子生物學、細胞生物學、發育系統生物學、細菌趨化性、基因震蕩器、控制理論、基因網路和感應系統等。
  3. The global convergence of a new kind of dy - conjugate gradient method

    共軛法的全局收斂性
  4. In chapter 2, the meteorological knowledge, data and the methods of the data processing, related to the study on the atmospheric loads, are simply presented. the model for the perfect gas constant, describes by the relative moisture, is developed. the influences of the variation in the vapor component in the atmosphere on the perfect gas constant are evaluated by using the changing characteristics of the temperature on the surface, its spatial gradient and the barometric pressure

    第二章:簡要介紹大氣負荷研究所需的氣象科學知識、資料及其數據處理方法;建立相對濕表示的大氣比氣體常數模,利用地面溫和空間垂直溫、壓力變化的規律估算大氣水汽組分變化對比氣體常數的影響;對中國及鄰區的地面氣壓記錄進行了預處理和網格化
  5. Based on analysis of geologic foundation record about pingzhuang basin, a lot of sino - foreign geothermal geology record and investigation of field geology, measuring of ground temperature in person and geo - chemical analysis of ascension spring, gushing water of fault, the fact that the anomaly of geothermal gradient of pingzhuang basin, which is in region of low geothermal gradient, is caused by redistribution of conduction - oriented geothermal heat flow which is result from upheaval and depression of basin foundation bed is pointed out. after the field of ground temperature is simulated under the background of conduction - oriented geothermal heat flow by means of ansys, the characteristic of ground temperature distribution of top surface of basin foundation bed ( yixian team ) is revealed. the sound condition of transmissibility fault and feeding water source, which are imperative in formation of the low - medium temperature geothermal system of convective type, is possessed in pingzhuang basin

    通過對平莊盆地基礎地質資料、國內外大量地熱地質資料的分析和野外地質調查、礦井實測地溫以及上升泉、斷層涌水的地球化學分析等工作基礎上,指出地處低地溫背景區的平莊盆地地溫異常是由於盆地基底隆起和坳陷引起傳導大地熱流再分配所致;運用州sys數值模擬了大地熱流向地表傳導背景下的盆地地溫場,從而揭示了盆地基底(義縣組)頂界面地溫分佈特徵;闡明了盆地具有形成中低溫對流地熱系統所必需的導水斷裂、補給水源等的良好條件,中低溫對流地熱系統是地熱勘查的主要對象;圈定了平莊盆地北部朝陽溝?駱駝營子地熱勘查遠景區。
  6. Through studying it is shown that in chagan sag, the geothermal gradients in the center are higher than those around the sag margin and major factors influencing the characteristics of temperature field distribution are the property of geotectogenesis and the differences in tectonic portion, lithology and underground water behaviour ; there are three types of mudstone compaction, i. e. normal compaction, undercompacition and overcomepaction ; there are two pressure systems in sandstone reservoirs, i. e. normal pressure and negative pressure systems and the strata ' s being uplifted and denuded is the key factor leading to the formation of the negative pressure system in reservoir ; and the distinctive temperature - pressure field characteristics in the sag are possessed of important petroleum geological significance in hydrocarbon source maturity, hydrocarbon generation, widening on oil and gas exploration domain and selecting exploration targets, etc

    研究表明,查干凹陷中心的地溫高於凹陷邊緣,大地構造性質及所處構造部位、巖性與地下水活動的差異是影響凹陷地溫場分佈特徵的主要因素;泥巖壓實存在正常壓實、欠壓實和過壓實三種類,砂巖儲層段壓力類可分為正常和負壓兩個系統,地層抬升剝蝕是導致儲層負壓系統形成的主導因素;凹陷獨特的溫壓場特徵對烴源巖成熟、油氣生成、油氣勘探領域的擴大及勘探方向的選擇等具有重要的油氣地質意義。
  7. Among them the gray level co - occurrence matrix ( glcm ) and gray gradient co - occurrence matrix ( ggcm ) methods, which attributed to the statistic textural analysis scheme were then chosen to extract the textural features of five kind areas on satellite images. in the second part the principle of classification and bp neural network were introduced. combined with textural features, the improved bp neural network successfully performed on the classification of the satellite images

    論文的第一部分介紹了進行紋理特徵研究的一些典的方法,利用其中的基於統計的紋理分析法中的灰共生矩陣以及灰共生矩陣法,分析了衛星雲圖上五類區域的紋理特性;第二部分主要介紹了遙感圖像分類原理以及神經網路中的bp演算法,在對演算法原理進行深入理解的基礎上,把紋理特徵與神經網路進行組合,實現對衛星雲圖進行分類分析;第三部分內容是在前面圖像分類結果的基礎上,對序列圖像用相關匹配法進行運動分析,反演雲跡風風場。
  8. According to the correlative theory of hydromechanics and shock wave, theoretical model of creating quasi - isentropic compression via w - mo - ti - mg system flier - plate with graded wave impedance was established, and study on the numerical simulation of the impact process was then carried out

    根據流體力學和沖擊波理論知識,首先建立了飛片擊靶的理論模,對w - mo - ti - mg系飛片擊靶過程進行了數值模擬計算。
  9. In general, there are tow nns in the system of nns - imc. one is neuro - controller, and another is neuro - emulator. the neuro - emulator emulates the model of the plant online, and gives the jacobin of the plant to neuro - controller

    它一般包括神經網路控制器和神經網路觀測器,神經網路觀測器在線辨識被控對象的模,以此作為系統的內部模,並且向神經網路控制器提供被控對象的信息。
  10. Exploration of non - linear and non - local strain gradient model

    關于非線性非局部應變的探討
  11. There is a period of soil contents range from ten to twenty five days over the humid discussed area in summer, and the period is not obvious at the discussed zone of close oasis desert area in summer and winter. ( 2 ) soil temperature exits several periodic variations of different depths ranging from six to twenty four days in heihe region, and nine to thirty days in gaize and shiquanhe region. it also shows that gradient of soil temperature affects on the soil content movement more greatly in summer. ( 3 ) the land surface temperature of yangtze river lower region is retrieved from noaa - ahvrr data

    ( 2 )根據土壤溫濕資料,採用功率譜分析、 pca分析等方法,分析了兩種典下墊面土壤溫的時空分佈特徵及其對土壤水分運動的影響,發現研究區土壤溫除日和年變化周期外還存在6 30天的不同周期;下墊面的非均勻性及其季節變化及溫變化對土壤水分運動有很大影響,冬季溫變化對土壤含水量影響大於夏季溫對上壤含水量變化的影響,且溫與水分運動方向相反。
  12. In the analysis of ecological relationship between vegetation and environment, we got 11 community types by combining twinspan with dca. the first axis of oca indicated the elevation level and heat gradient while the second axis indicated slope factor. the analysis shows that the resource of tourism in pangquan gully is abundant and the construction is rational

    第一軸基本上反映了各植物群落所在環境的海拔和熱量,從左到右,海拔在體呈升高趨勢,熱量呈下降趨勢;第二軸基本反映了各植物群落所在的坡,從下到上呈良好的發展趨勢,從群落類來看,各群落類在排序圖上有規律地分佈,得出龐泉溝植被結構合理,分佈符合自然進化規律,龐泉溝生態旅遊資源未受到破壞,人為因素不明顯。
  13. Functionally graded materials ( fgm ) is that the components and the structure of the material are gradient distribution from one side of the material ( product ) to the omer. so far, fgm has been widely used in modern industries

    功能材料,是指在材料設計製造過程中,使構成材料的要素沿著厚方向由一側到另一側呈連續變化,並使材料的性能與功能呈現連續變化的一種新材料。
  14. Varieties of flowering colors present cline. specially, variations of flowering colors within puer population are many and varied. longs and widths of perianths as well as longs of stamens are continuous variation of quantitative characters

    結果表明:居群內各種形態性狀都具有豐富的多態性,居群間具有明顯的多性;花色呈變異,特別是普洱居群花色變異式樣最豐富;花被片的長與寬和雄蕊的長是數量性狀的連續變異。
  15. For this reason, to analyze the spatial and temporal dynamic of ground water table and water quality beneath the typical phytocommunity in particular areas, will be helpful to probe into the dynamic formation of soil moisture and salinity, and to understand the spatial variation of vegetation

    因此,分析區域內典植物群落的地下水水位、水質在時空上的動態變化,有助於探討土壤水鹽動態變化的形成條件,揭示植被在空間上變化的原因。
  16. In chapter 5, based on the measured refractive index distribution curve, according as the theoretical model of light transmission in the grin medium, using quadrivalent runger - kutta method to carry out the light tracking, we studied retro - reflection of grin polymer micro - sphere and its application and concluded the best conditions to get good results. in chapter 6 we analyzed the two ways to improve the retro - reflection effect of grin polymer micro - sphere using the light tracking and discuss the pleasant results we got

    第五章從上一章測量所得折射率分佈曲線出發,根據介質球內光線傳輸的理論模,用光線追跡的方法分析了327 #微球透鏡的反光性能,並對最佳性能條件進行了總結分析,發現效果提高並不明顯,進而在第六章中提出了提高grin聚合物微球回歸反射性能的兩個基本途徑,並用光線追跡方法進行了詳細的分析,最終得到了良好的效果,並對結果進行了一定的分析解釋。
  17. Chapter 5. based on the measured refractive index distribution curve, according as the theoretical model of light transmission in the grin medium, using quadrivalent runger - kutta method to carry out the light tracking, by this means the mainly imaging character index of the micro - lens such as foci, longitudinal and transverse spherical aberrations aberration etc is calculated. i

    第五章從測量所得折射率分佈曲線出發,根據介質球內光線傳輸的理論模,用四階runger - kutta方法進行光線追跡,計算了此種球的縱橫向球差等光學特性,給出所製作折射率微球透鏡成像性能的評價。
  18. In order to fully refect the geo - tech basic mechanics behaviors and to rationally explain the strain localization, this paper establishes the theory framework of gradient - dependent plastic model based on the theory framework of gradient - dependent plastic mechanics and in considering the plastic strain ' s gradient - dependence in double yield function, offers a kind of possible concrete pattern of the generalized plastic gradient model and analyzes each parameter of the model, particularly with the physical sense of " localized parameters " and the elements producing possible effect upon the model

    為了較全面地反映巖土的基本力學性質,同時合理解釋應變局部化現象,本文基於廣義塑性力學的理論框架,在雙重屈服函數中考慮了塑性應變的依賴,建立了廣義塑性的理論框架,並給出了廣義塑性的一種可能的具體形式,分析了該模的各個模參數,尤其是其中的「局部化參數」的物理意義和可能對其產生影響的因素。
  19. Embeddings of resolvable 4 - cycle systems

    中定矩陣擬合的數值方法
  20. The characteristics of land use change in this area are increase of arable land, urban construction and residents in rural areas and considerable decrease of natural grassland, furthermore the trend of land use type reducing to one occurred. the spatial change of land use structure shaping gradient from along the coast to the inland is one aspect of character of land use change

    土地利用變化的特點是耕地、城鎮建設用地、農村居民點用地增加,天然草地大量減少,土地利用類有向單一化發展的趨勢,土地利用呈現出明顯的由沿海向內陸遞變的梯度型變化。
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