進化與退化 的英文怎麼說

中文拼音 [jìnhuàtuìhuà]
進化與退化 英文
evolution and degeneration
  • : 進構詞成分。
  • 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...
  • 進化 : evolution
  • 退化 : become vestigial; degenerate; deteriorate; retrograde; devolution; retrogradation; retrogression;...
  1. Based on the science of human settlements, the theory of urban growth, the theory of urban - rural integration and the theory of sustainable development, this paper proceeded with the prominent contradiction between urban growth and cave - dwellings " degeneration. after analyzing general situation and regional feature of qingyang, the actualities of cave dwellings were evaluated in the first place which including cave dwellings " history, basic style, regional feature, green principle, culture connotation, as well as traditional cave dwellings " shortage and developing dilemma

    本研究從城鎮增長和窯居退這一突出矛盾入手,依據人居環境理論、城鎮增長理論、城鄉一體理論、可持續發展理論,在分析慶陽概況區域特徵的基礎上,首先對慶陽窯洞民居的發展現狀行了評價,包括窯洞民居的歷史沿革、基本類型、地域特色、綠色理念、聚落景觀、文內涵以及傳統窯居的局限性和目前發展的困境。
  2. The percentage of density of s. costatum in phytoplankton rised from 58. 7 % in last year to 60. 0 % in this year, which resulted a decline of the diversity index from 1. 91 to 1. 75, and evenness from 0. 47 to 0. 42, indicating that the biodiversity and evenness of phytoplankton community in zhelin bay became worse and worse, and the structure of community retrogressed

    中肋骨條藻在浮游植物總數量的百分比由第一年度的58 . 7上升到本年度的60 . 0 ,導致多樣性指數由1 . 91減小到1 . 75 ,均勻度由0 . 47減小到0 . 42 。這表明,上一年度相比,柘林灣浮游植物群落的生物多樣性和穩定性一步降低,群落結構退
  3. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造,設計了四種類型矩形鋼管混凝土柱鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究,比較了不同軸壓比下節點的滯回性能、強度剛度退、延性、破壞機理破壞特徵,主要結論有: 1 、節點的位移滯回曲線轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節點滯回曲線有顯著影響,全部節點都有顯著的剛度退; 3 、位移轉角骨架曲線在峰值荷載後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以推廣。
  4. 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變的精細量測,對節點的傳力機理以及影響抗震性能的因素行了分析研究;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變形行了分析研究;對節點的靜力抗剪建立在能力設計思路上的抗震抗剪問題行了深入研究,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。
  5. At present, because of the increasing of population and livestock in pasture areas, the grassland area appeared serious degeneration and desertification. many grassland areas have not entered a self - sustaining, non - sustainable development phase that is to say the environment is non - sustainable and so does the ecology system and social economics

    目前,由於草原牧區人口牲畜的增多,導致草原退、沙嚴重,許多地區的草原已入一個不能自我維持、不可持續發展的階段? ?環境的不可持續性、生態系統的不可持續性以及社會經濟的不可持續性。
  6. On may 3, invited by the institutes deputy directors liu xiaobing and hu naizhe, dr. mclaughlin visited the experimental park in harbin and the black soil ecological experiment station in hailun. with deputy director liu xiaobing and the research fellow zhang xingyi, he had an in - depth discussion of some issues of common interest to both sides, like the deterioration and management of black soil, conservation farming, compacting of soil

    5月3日, neil博士應劉曉冰副所長和胡乃哲副所長的邀請,訪問了我所哈爾濱園區以及海倫黑土生態實驗站,劉副所長張興義研究員等圍繞黑土退管理保護性耕作土壤壓實等雙方感興趣的問題行了深入的交流。
  7. This paper systematically analyzed and studied the impliment effect of the conversion of cropland to forest in chifeng. the results show that it can improve ecology environment, and promote agricultural production structure and its internal farming and animal husbandry structure, and it also improve the quality of farmland and grain yield per unit, transfer of rural surplus labor, increase income of farmers and herdsmen promote the farming and animal husbandry industrdialization and achieve the overall socio - economic development

    本文通過對赤峰市退耕還林(草)工程實施效果分析表明:該項工程在一定程度上改善了生態環境,促了農業產業結構及其內部種植業結構、畜牧業結構的調整,推動了農牧業產業經營及社會經濟的整體發展,有利於提高糧食單產、轉移農村剩餘勞動力、增加農牧民經濟收入。
  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

    基於能量輸運模型對由凹槽深度改變引起的負結深的變對深亞微米槽柵pmosfet性能的影響行了分析,對所得結果從器件內部物理機制上行了討論,最後由漏源結深變導致的負結深的改變對器件特性的影響行了對比.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變結深小.因此,改變槽深加大負結深更有利於器件性能的提高
  9. Based on the insurance actuarial theory and the classic financial engineering theory, the paper analyses the value of life insurance policies with embedded surrender option, and finds out that whether the surrender option is exercised is related to several factors in a certain policy, in which the relation varies with the change of factors ' value

    摘要利用保險精算和金融工程理論對含有退保期權的壽險保單價值行了分解,發現退保期權的行使否和某一特定保單的若干參數相關,這種關系隨著保單參數值的變而變
  10. In the paper the market structure of china automobile industry is omni bearing studied, the scale economy, product differentiation, barrier for entering and withdrawing and concentration degree of production are deeply demonstrated. the characteristics and causes of the market structure are revealed. based on comparison with developed countries, the development trend of our country s automobile industrial market structure is defined

    接著,從規模經濟、產品差異退出壁壘及生產集中度等角度出發,對中國汽車產業市場結構行了全方位的研究,揭示了其特徵成因;並在發達國家比較的基礎上,明確了我國汽車產業市場結構發展趨勢。
  11. A monte carlo algorithm was presented to model the relation between the scattering phenomenon, depolarization changes and sea water depth, it is discovered that the radius of scattering point and the degree of depolarization increase with increasing of the sea water depth. at last, a optical engineering software ( lighttools ) is introduced to simulate optical scattering in the deep sea water, and studys the corelation between scattering and relative refractive index, particle density and particle size in the sea water. the experiment results show that the intensity of scattering will increase evidently with the increasing of particle size, particle density and relative refractive index. the methods and results in the article provide the basic theory and experiment validation for improving performance of communication, detection and imaging under sea water

    本文以球形粒子的mie散射理論、 stokes矢量法以及mueller矩陣來研究海水的散射特性和散射中的退偏振度變;通過montecarlo方法模擬藍綠激光在海水傳輸過程中的散射現象以及散射中的退偏度變海水深度的關系,發現隨著海水深度的增加,散射后的光斑半徑、退偏振度將逐漸增大。最後通過光學工程軟體( lighttools )對海水中的散射行模擬實驗,研究散射海水中粒子密度、粒子大小和相對折射率的關系。實驗結果表明,隨著粒子半徑、粒子密度和相對折射率的增加,散射的強度將顯著增加。
  12. In the angle of economics, this paper firstly analyzes the present flow situation and main problems in existence of our military science and technology human resource, and then analyzes flow and equilibrium of supply and demand from three aspects of the quantity 、 structural and behavior ; systematically describes individual decision and unit decision of military science and technology human resource on the angle of cost and profit, reaches the conclusion that in the flowing process, we should strengthen individual ’ s autonomous right properly, establish “ the leading type of armed forces ” human resource disposition mechanism ; in succession this paper has not only put forward the basic standard of the reasonable flow of the military science and technology human resource ? the effectiveness of combat, but also explained it carefully from flow quantity, flow direction and structure, established optimum floating rate ; finally, having based on the conclusion, the paper puts forward four mechanisms ? fetching in person and brains, inner flow, encouragement restraint and reserving brains in outflow mechanisms that promote our military science and technology human resource to flow reasonably

    本文立足經濟學的角度,在分析軍事科技人力資源流動現狀存在問題的基礎上,從數量、結構、行為三方面分析了軍事科技人力資源流動中的供求均衡;從成本收益角度系統描述了軍事科技人力資源的個人決策和單位決策,得出了在我軍科技人力資源的流動過程中應該適當加強個人的流動自主權,建立「軍隊導向型」人力資源配置機制的結論;接著本文不僅提出了軍事科技人力資源合理流動的根本標準?戰鬥力效用,而且從流量、流向和結構上行了細,確立了最優的流動率;最後,本文提出了促我軍科技人力資源合理流動的四大機制:引人引智機制、內部流動機制、激勵約束機制和淘汰退出機制。
  13. Wuxi county is located in typically fragile ecological strip - - three gorges reservoir area and belongs to national ecological environment construction key region. based on soil and water conservation project in wuxi county this article designs the landscape health assessment system and analyses health classes of degraded ecosystem by applying fuzzy ahp method, discloses degraded characteristics in aspect of land use patterns in wuxi county contrasted with bishan county, puts forward ecological restoration models combined with soil and water conservation harnessing, analyses and compares soil fertility quality in biological communities of different ecological restoration succession phases and restoration measures

    本論文依託巫溪縣水土保持生態修復項目,運用模糊層次分析方法,退生態系統的景觀健康評價體系設計健康等級分析;通過對比研究巫溪縣另一個生態修復試點縣? ?璧山縣的土地景觀空間格局分析,揭示巫溪縣土地利用格局上的退特徵;提出水土保持治理相結合起來的生態恢復模式;引用土壤肥力質量指數,對生態修復區不同生態恢復演替階段群落及不同時期坡改梯、休耕地封山育林三項生態修復措施的土壤肥力質量分析對比。
  14. Because of complex physiognomies and ecological environments, various kinds of wetland develop in sanggan river valley. wetland vegetations in the sanggan river valley, including the floristic diversity of wetland vegetation, the interspecific relationship of plant communities, the relationships between plant communities and environments were studied, respectively

    本文以山西桑乾河流域濕地植被為研究對象,對濕地植被的區系多樣性、植物群落的種間關系、植物群落環境的生態關系以及濕地的退和恢復等行了研究。
  15. Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    在研究疲勞過程中材料強度退規律的基礎上,建立了一個強度退模型.對其行隨機處理,得到控制強度退過程的隨機微分方程.在一定假設條件下,獲得了剩餘強度概率密度函數的封閉解,並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.試驗數據的比較結果表明,本文的模型和方法是合理的
  16. Output of high purity violet blue light matches the peaks optical absorption of acne aminolevulinic acid, metabolites inside the porphyrin, propionibacterium acnes metabolites inside the porphyrin stimulated by the withdrawal - induced chemical processes produce large singlet oxygen activity and generate a high oxidative environment to propionibacterium acnes, which accordingly leads to the death of bacteria on the skin acne cleared

    輸出高純度的紫藍光,痤瘡丙酸桿菌代謝物內卟啉的光吸收峰值匹配,痤瘡丙酸桿菌的代謝物內卟啉受到激發后的退激過程產生大量單線態活性氧,可對痤瘡丙酸桿菌產生一種高氧環境,從而導致細菌死亡而將皮膚上的痤瘡清除。
  17. Part one analyses the market structure of china ' s newspaper industry through the angles of market concentration, scale economy and scope economy, and barriers of access and exit. part two discusses the institutional innovation and the workable competition of china ' s newspaper industry on the basis of the analysis of the relationship of its economic features and politic features. part three expounds the overall cost leadership strategy, the differentiation strategy, the focus strategy, and the innovation strategy of china ' s newspaper industry

    第一部分主要從市場集中、退出障礙、規模經濟和范圍經濟等角度,分析中國報業的市場結構;第二部分從論述報業的經濟屬性和政治屬性的關系出發,討論報業的制度創新和有效競爭;第三部分主要從成本領先戰略、差異戰略、集中戰略、創新戰略等方面闡述中國報業的競爭戰略。
  18. So it must select suitable industry to invest or withdraw its capital according to the basic orientation of the national industry policy in order to incarnate the intention of government " s control. on the other hand, as a market investor with independent accounting, self - management, assuming sole responsibility for its profits or losses, the company must base itself upon the market, establish consciousness of competition, rely on market measures so as to pursue the maximum benefit of capital

    作為政府投資主體,公司的經營管理對象是國有資產的產權或股權,公司運作需依據國家產業政策的基本導向,選擇適宜的退出方向,充分體現政府的調控意圖;作為獨立核算、自主經營、自負盈虧的市場投資主體,公司需要立足市場,樹立競爭意識,依靠市場手段,追求資本效益最大
  19. The degradation and lifetime model is deeply discussed, dynamic and static stress suffered by devices and circuits are compared and analyzed. a modified model for lc is proposed for better fitting the experimental data and the substrate current model parameters eerit and lc, degradation parameter h, m, n are extracted by the static stress experiment results

    詳細分析討論了mosfet的壽命退模型,並對電路中器件所受的動態應力直流靜態電應力行了分析比較:根據實驗結果改了有效導電長度l _ c模型;應用直流電應力實驗數據行了襯底電流模型中載流子速度飽和電子科技大學博士論文臨界電場e ; 、有效導電長度lc以及退參數h 、 m和n的提取。
  20. It analyzes the opportunities in the aspects of macro - economic environment, national industry policy, substitutes and entry into wto. it also analyzes the threats in the aspects of relatively hysteretic development of backward related industry, ineffective barrier of entry & exit in some extent, increasingly strict requirement of environment protection. then, it analyzes the strengths in the aspects of human resource, relative international competence of some representative companies, faster development of technology industrialization, improved integrated recovery and relative advantages of capital and cost

    從宏觀經濟環境、國家產業政策、替代品以及加入wto等四個方面行了機會分析;從後向關聯產業的發展嚴重滯后、行業的退出壁壘一定程度失效、環境保護要求的日益提高等幾個方面分析了我國鉛鋅冶煉行業發展所面臨的威脅;從人力資源、代表性企業具有一定的國際競爭能力、技術產業程加快、綜合回收水平提高、資源成本的比較優勢等方面分析了行業所具有的優勢。
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