退化變量 的英文怎麼說

中文拼音 [tuìhuàbiànliáng]
退化變量 英文
degenerate variables
  • 退 : 動詞1 (向後移動) retreat; draw back; move back 2 (使向後移動) cause to move back; remove; wit...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 退化 : become vestigial; degenerate; deteriorate; retrograde; devolution; retrogradation; retrogression;...
  1. After analyzing purple soil sampled from neijiang, leshan ofsichuan provinec and yuanmou of yunnan province, the contrast results of microbe quantity feature between surface and subsurface purple soil were obtained as follows. the content of soil organic matter, total and available nitrogen, phosphorous and potassium of surface was higher than subsurface, not relating to the type of purple soil and soil utilization way. the quantity of microbe _ bacteria, actinomyces and mould in surface purple soil was higher than subsurface, which indicated that the organic matter and airy condition in surface soil was more suitable for microbes growing. there was the same tendency in profile change of microbe quantity in purple soil located in temperate _ humid climate of sichuan basin in contrast with dry _ hot climate of yuanmou, yunnan. the nutrient situation of purple soil in sichuan basin shown that state of surface was better than subsurface, while in yuanmou of yunnan the state was on the contrary due to the degradation of surface soil

    實驗室對四川內江、樂山和雲南元謀不同類型紫色土表層和亞表層微生物數特性的比較分析表明:土壤有機質、氮磷鉀全及其速效均表現為表層高於亞表層,與紫色土類型和利用方式無關;三大類土壤微生物細菌、放線菌和黴菌數均表現出表層高於亞表層,表明紫色土表層的有機質和通氣性優于亞表層,適宜於這三大類微生物生長;溫濕氣候條件下的四川盆地和乾熱氣候條件下的雲南元謀其紫色土微生物數的剖面具有相同的趨勢,唯土壤營養狀況在四川盆地紫色土中表現為表層優于亞表層,而在雲南元謀紫色土中由於表層土壤的退作用表現為亞表層優于表層的相反情況。
  2. In present dissertation, most stirpses are repartitioned and redefined, and the structure characteristic, course of formation, cause of formation, function and risk of stirpses are analyzed. the main conclusions are : [ 1 ] rapid development of corporations engenders urgent demand of financing, conflict between capital market imperfection and demand of financing leads corporations to control listed corporations by purchasing " shell " and enhance it ' s financing capability ; [ 2 ] two kinds of pricing institution of stock provides stirpses for controlling listed corporations by low cost, monitoring institution imperfections provides corporations for operating listed corporations. adjust of national assets provides more " shells " ; [ 3 ] more private corporations purchase listed corporations, some of them form stirpses ; [ 4 ] stirpses have positive influence about adjusting industry and enhancing capital market financing function ; [ 5 ] stirpses magnify financial risk by controlling listed corporations, and transform listed corporations from shareholders benefit to block shareholder benefit, having tendency of infracting shareholders benefit

    本文主要的結論: [ 1 ]中國企業的迅速發展對融資有迫切的要求,中國國內資本市場發展不完善與這種強烈的融資需求的沖突導致了企業尋求通過買「殼」的方式控制上市公司,以此來提高自身的融資能力; [ 2 ]中國上市公司股票的兩種定價機制為「系」低成本控制上市公司提供了可能,監管機制的不完善為「系」提供了操縱上市公司的空間,國有資產在調整過程中從部分競爭行業退出,為資本市場提供了一定數的「殼」資源; [ 3 ]民營企業紛紛買「殼」上市,在這個過程中,部分實力突出的企業形成了「系」 ; [ 4 ] 「系」現象對進行行業整合、提高資本市場融資能力等方面起到了積極的作用; [ 5 ] 「系」通過對上市公司進行的操縱放大了金融風險,將上市公司的股東利益最大為大股東利益最大,存在著侵害小股東利益的潛在傾向。
  3. In unfed adults, the acini were small ( 34. 79um ) and their surface had many folds. on the d2 after attachment, the gland and its acini increased sharply and reached its peak ( 97. slum ), which was about 2. 8 times of unfed female. during this period, the surface of acini was relatively smooth

    饑餓雌蟲唾液腺腺泡小( 34 . 79 m ) ,表面有人的突起和凹陷;吸血后2d腺體和腺泡明顯增大:交配期腺泡達到最大值( 97 . 81 m ) ,約為饑餓期的2 . 8倍,腺泡表面明顯得光滑;飽血后腺泡逐漸萎縮,發生自溶現象,飽血后4d唾液腺明顯退
  4. The effects of baking temperature, baking time and prestrain on the bake hardenability and dent resistance of isotropic sheet steel and bh sheet steel produced by batch annealing were studied

    摘要研究了烘烤溫度、烘烤時間和預拉伸應對罩式爐退火工藝生產的各向同性鋼的烘烤硬性的影響,並與力學性能相當的冷軋烘烤硬鋼進行了對比。
  5. On this basis, adopt the plural linear regression method, regard peasant ' s per capita income as the dependent variable, per capita agricultural land area, unit agricultural land area chemical fertilizer use amount, agriculture total value account for gdp proportion and land degradation the index data ( land degradation fictitious variable, land degradation percentage and land degradation the array variable of the degree ) as the independent variable

    在此基礎上,採用多元線性回歸方法,以農民人均收入為因,人均農業用地面積、單位農業用地面積肥使用、第一產業總值佔gdp比例和土地退指標(土地退與否的虛擬、土地退百分比和土地退程度的序列)為自來分析。
  6. Based on measurement of strains of both horizontal stirrups in the joint core and longitudinal reinforcement passing througth the joint, in different stages, transfer mechanism and factors affacting seismic behavior of the joint, were analysed. under different shear compression ration, effect of axial force ratio on seismic behawior of the joint was also evaluated, static shear and seismic shear of the joint based on capacity design were investigated. on this basis, new governing criteria and conditions of seismic behavior of the joint were put forward

    通過對節點區水平箍筋以及貫穿節點梁、柱縱筋在不同受力階段應的精細測,對節點的傳力機理以及影響抗震性能的因素進行了分析研究;對不同剪壓比條件下軸壓比對節點抗震性能的影響規律進行了分析研究;對不同受力階段梁筋的粘結退規律以及節點區的剪切形進行了分析研究;對節點的靜力抗剪與建立在能力設計思路上的抗震抗剪問題進行了深入研究,提出了建立在新思路基礎上的節點抗震性能控制準則和控制條件。
  7. Five vegetation communities : herbosa, shrubs, coniferous forest, theropencedrymion, and evergreen broad - leaved forest in the red soil region of the lijiang valley are selected as the five successive stages of the typical restoration process of degraded ecosystems to study variation of structure and biomass of the vegetation of the five different stages

    摘要利用時空替代原理,選取灕江流域紅壤區退生態系統恢復過程中具有代表性的草叢、灌叢、針葉林、針闊混交林、常綠闊葉林5個階段作為演替序列,研究自然恢復過程中各演替階段的植被結構動態和生物
  8. Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet

    基於能輸運模型對由凹槽深度改引起的負結深的對深亞微米槽柵pmosfet性能的影響進行了分析,對所得結果從器件內部物理機制上進行了討論,最後與由漏源結深導致的負結深的改對器件特性的影響進行了對比.研究結果表明隨著負結深(凹槽深度)的增大,槽柵器件的閾值電壓升高,亞閾斜率退,漏極驅動能力減弱,器件短溝道效應的抑制更為有效,抗熱載流子性能的提高較大,且器件的漏極驅動能力的退要比改結深小.因此,改槽深加大負結深更有利於器件性能的提高
  9. ( 5 ) since 3100 ab. r, through comprehensive analysis of these proxy climatic substitute indexes indicates : this was a dry and cold period in which the temperature fell the precipitation decreased ; the vegetation may be forest prairie ; human civilization further developed and the human " s influence on the environment was greater in intensity and wider in range

    今,綜合多氣候代用指標和本期人類活動明顯加強情況的分析表明:本期氣候再次出現溫度降低、降水減少的,在趨于乾冷氣候條件下,在前期氣候較適宜期發育的森林植被發生了退,當時的植被可能為森林草原或乾草原。
  10. Basically like “ adaptive approach ”, the method can control triangulation density with respect to the change of normal curvature of the surface generating a small number of triangular facets, and thiny triangles, degenerate triangles and “ cracks ” in 3d space will not occur, but the speed of the algorithm is higher than that of adaptive one

    該方法基本上可以像「自適應」方法一樣,根據曲面的法曲率來控制三角剖分的密度,生成的三角片數較少,並且可以避免在三維空間產生狹長的三角形、退三角形與「裂縫」 ,運行速度明顯比自適應方法快。
  11. Severe fires can often cause changes in successional rates and soil hydrologic functions, degradation of soil physical properties, alter c : n ratios, and result in subsequent nutrient loss through accelerated erosion, leaching or denitrification, and alterations in microbial populations and associated process can occur

    高強度火燒往往能引起演替頻率的改,土壤物理性質退,水文功能發生改,改c n比,加劇侵蝕、淋溶和反硝作用,導致養分流火,微生物數及其相關過程發生
  12. A lot of areas have already become the fragile district of the ecology. the mesoscale ( mm5v3 - 5 ) model was used to simulate the change of temperature, heat flux by means of changing landuse according to the survey data about the land degradation and renewing in the west of liaoning, which used data in june, july and august, 2001

    本文利用中尺度模式( mm5v3 - 5 ) ,選擇2001年6 、 7 、 8月份的資料,根據遼西地區土地退的有關調查材料,對模式中的下墊面狀況( landuse )進行改,模擬植被退和恢復后,遼西地區的溫度、熱通
  13. Simultaneity, through contrast analysis validate that antiseimic capacity of expansion web is better than that of steel web. therefore, based on the experiences summed up by precedence, the formulation for calculating the crack load and limit load of brick masonry house reinforced by expansion web is advanced, which provides project reference. based on the analysis and studies of masonry shearing strength, test of prestressed single brick masonry wall, and test of prestressed brick masonry house models, and ect, the article has carried through several aspect research as below : 1. a series of experiment on material capability of expansion web, including intensity of single thread and expansion web, ect ; 2. research on influence of loading and destroy of masonry brick building reinforced by expansion web under lowcyclic loading ; 3. study of impact of expansion web on ductility, energy dissipation, intensity, ect under the same situation as above ; 4. put forward computation formulation of masonry brick building reinforced by expansion web

    本著以上的研究目的,本文在分析和借鑒前人砌體抗剪強度理論、預應力單片墻試驗研究、預應力模型抗震性能試驗研究等基礎上,進行了以下幾方面的研究工作: 1 .作為一種新型結構材料擴張網,進行了一系列的材性試驗(單絲強度、網片強度和在砂漿中被約束條件下的網片強度及其相應的彈性模) ; 2 .研究了水平荷載往復作用(低周交)下,普通鋼絲網和擴張網砂漿對砌體結構抗裂及承載能力和破壞形態的影響,並將這兩種材料的加固效果進行了對比; 3 .上述狀態下,兩種網片水泥砂漿對砌體結構形、延性、耗能、剛度退等抗震性能的影響及其影響效果的比較; 4 .提出擴張網水泥砂漿加固砌體結構的抗剪強度計算建議公式。
  14. Due to the influence of climate drought and human activities, the ecological environment of qinghai province is in an increasingly grave condition, namely, climate abnormal events occurring frequently, grassland degenerating, ground sanding, glacier shrinking, water level of lakes descending and river runoff decreasing, and so on. in the basis of extensively collecting and analyzing the data of qinghai ecological environmental factors such as climate, water resource and grassland resource etc., the further basic research is performed on the ecological environment characters of main climate factors, surface runoff, water resource, lcc and their correlation to coordinate with the basic, strategic and precursory research for the development of china west part and provide the scientific foundation for corresponding development both ecological environment and social economy, and persistent utilization of natural environment resource

    本研究針對當前在氣候乾旱和人類活動的共同影響下青海省生態環境中氣候異常事件即氣象災害頻繁發生、草場退、土地沙、冰川萎縮、湖泊水位下降和河流流減少等生態環境退現象日益嚴重的實際,在廣泛收集和整理青海省氣候、水資源、草地資源等生態環境因子基礎資料的基礎上,對青海的主要氣候要素、地表徑流、水資源、植被的演替及其相互間的關系等主要生態環境特徵進行了基礎性的研究。
  15. The results demonstrate that the upper limit of permafrost in this area had declined from 1970s to the middle phase of 1990, and permafrost has appeared degenerate tendecy, but since middle 1990s, permafrost have a stable state ; ground temperature of roadbed near the earth surface is higher than that of the natural ground, thawing time of roadbed near the earth surface is longer than that of the natural ground, the heat income within the permafrost is greater than the heat release from the permafrost during anannual period, the heat accumulation within the permafrost is temporarily appeared as temperature rising, but with the heat accumulation within permafrost growing up year by year, permafrost temperature will become higher gradually, and strong thawing of permafrost could be happened in the region

    結果表明:風火山地區從20世紀70年代到90年代中期凍土上限下降,凍土出現退現象,從90年代至今凍土趨于穩定;路基近地表地溫明顯高於對應天然地表下的地溫,路基近地表經歷的融期長于對應天然地表,進入多年凍土區的熱收支也呈現出吸熱明顯大於放熱的周期性,進入多年凍土的熱積累暫時以增高地溫耗熱為主,但隨著凍土吸熱的逐年積累、凍土溫度的不斷升高,本區凍土可能發生強烈融
  16. ( 4 ) a nonlinear model including the loss of cross - sectional area of corroded rebar, the reduction of mechanical properties of corroded steel and the degradation of the bond strength between concrete and corroded rebar was presented

    氯離子擴散系數是一個隨時間、擴散深度和氯離子濃度。 ( 4 )建立了考慮銹蝕鋼筋截面面積減小、力學性能下降以及混凝土與鋼筋之間粘結性能退的非線性模型。
  17. The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field, with the help of the properties of trace functions, and that of p - polynomials, as well as the permutation theory over finite field : the new definition of chrestenson linear spectrum is given and the relation between the new chrestenson linear spectrum and the chrestenson cyclic spectrum is presented, followed by the inverse formula of logical function over finite field ; the distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested, which leads to the conception of the extended affine functions over finite field, whose cryptographic properties is similar to that of the affine functions over field gf ( 2 ) and prime field fp ; the relationship between the degeneration of logical functions and the linear structures, the degeneration of logical functions and the support of chrestenson spectrum, as well as the relation between the nonlinearity and the linear structures are discussed ; using the relation of the logical functions over finite field and the vector logical functions over its prime field, we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized bent functions over its prime field ; the existence or not of the perfect nonlinear functions with any variables over any finite fields is offered, and some methods are proposed to construct the perfect nonlinear functions by using the balanced p - polynomials over finite field

    重新定義了有限域上邏輯函數的chrestenson線性譜,考察了新定義的chrestenson線性譜和原來的chrestenson循環譜的關系,並利用一組對偶基給出了有限域上邏輯函數的反演公式;給出了有限域上隨機聯合分佈的分解式,並利用隨機聯合分佈的分解式對有限域上邏輯函數的密碼性質進行了研究;給出了有限域上邏輯函數與相應素域上向邏輯函數的關系,探討了它們之間密碼性質的聯系,如平衡性,相關免疫性,擴散性,線性結構以及非線性度等;討論了有限域上邏輯函數各類線性結構之間的關系,並給出了任意點都是線性結構的邏輯函數的全部構造,由此引出了有限域上的「泛仿射函數」的概念;考察了有限域上邏輯函數的退性與線性結構的關系、退性與chrestenson譜支集的關系;給出了有限域邏輯函數非線性度的定義,利用有限域上邏輯函數的非線性度與相應素域上向邏輯函數非線性度的關系,考察了有限域上邏輯函數的非線性度與線性結構的關系;利用有限域上邏輯函數與相信息工程大學博士學位論文應素域上向邏輯函數的關系,揭示了有限域上的廣義bent函數與相應素域上的廣義bent函數的關系,以及有限域上的完全非線性函數與相應素域上向廣義bent函數之間的關系;給出了任意有限域上任意。
  18. In original and jamming slightly vegetation, because dead roots, branch and leaves back to soil, soil organic matter higher, soil available phosphorus higher, too ; chemical and physical characters of soil were stabilization. the reason were original vegetation have more species and structure of community was stable. the degradation of fertility and structure of soil in secondary vegetation was influenced by change with structure and form of community

    在人為干擾小的原生性森林,植物種類豐富,群落結構穩定,植物死根系和枯枝落葉全部回歸土壤,土壤有機質含高,養分呈有機態為多,故有效磷較高,土壤理性質較穩定;次生植被群落土壤結構和肥力的退是由於群落組成和結構的改導致枯枝落葉成分和土壤發規白山地還小問沙消民俗一非定俗地征王卿喬忡旺w比收財育環境差異而引起,次生植被土壤的退狀態隨植被退程度不同而有差異。
  19. Secondly, by low - cycle and reverse horizontal loading test, their properties including strength property, deformation property and energy property are studied. we study the loading characteristic values ; the property of hysteretic curve and skeleton - frame curves ; the ductility property and stiffness degradation. at last we analyze the destroy principle and affection reasons of hollow shear wall of r. c with vertical seams in different height and loading measures, we also give the bearing capability calculation formulas and design advises for new type hollow shear wall of r. c

    首先運用ansys有限元程序分析彈性階段水平外荷載施加后,帶豎縫鋼筋砼空心剪力墻板內應力分佈及形情況,再在試驗數據的基礎上,研究低周反復水平加載條件下,各試件的強度、形、能特性;各試件的荷載特徵值;各試件的滯回曲線、骨架曲線;延性及剛度退等參數;最後,分析了不同剪跨比和加載條件的帶豎縫鋼筋砼空心剪力墻板的破壞機理和承載力影響因素,並給出不同剪跨比和加載條件的帶豎縫鋼筋砼空心剪力墻板承載力計算公式及設計建議。
  20. Abstract : the optimal design software of permanent magnet synchronous motors is programmed in this paper. the formation of the software is described in detail which concerns the production of new points, the determination of the optimal variables, restricted functions and objective functions. at last, an optimal design of prototype motor is given through this software

    文摘:用模擬退火演算法編制了永磁同步電動機的優設計軟體,詳述了軟體編制過程,包括新點的生成,優、約束函數及目標函數的確定,最後用該軟體進行了樣機的實際設計。
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