生態密度 的英文怎麼說

中文拼音 [shēngtàimìdù]
生態密度 英文
ecological density
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 生態 : organism s habits; modes of life and relation to their environment; ecology生態變異 ecocline; 生...
  1. So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction

    巖溶空間介質具有地上地下雙層結構，可溶巖造壤能力低，巖溶水空間分佈不均、地表地下水關系密切、水源易漏失，偏堿性環境、生物資源集聚程度低，植被逆向演替快、順向演替難，巖溶地質與生態環境十分脆弱，受到人為因素的影響和破壞，極易產生石漠化、土壤侵蝕與退化等一系列問題。
  2. The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats

    摘要對騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生長動態進行了研究，結果表明：不同配置方式下它們的密度、高度、冠幅和生物量基本不變或略微呈下降趨勢；油篙新梢的年生長動態呈s型曲線，檸條新梢春季生長速度較快， 7月份以後生長速度緩慢或基本停止生長；檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型， 4種配置方式下共有8種1年生植物人侵，並具有較高的植被蓋度；同其它3個樣地相比，純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。
  3. In quantum chromodynamics ( qcd ), vacuum is not trivial, that is, vacuum carry quantum numbers. such a behavior is embodied by non - perturbative con - densates of quarks and gluons. since hadrons are excitations with respect to the vacuum, hadronic properties are ultimately related to properties of the vacuum. based on the vacuum structure, some hadron properties have been described well. in the low energy region, qcd has two very important proper - ties : chiral symmetry spontaneous breaking and confinement, which are closely related to the vacuum characteristics of qcd. much experiments and theoretical studies have shown that chiral symmetry spontaneous breaking is very important to understand the low - energy feature of the strongly interacting physics, and the quark condensates give an expression to chiral symmetry spontaneous breaking. according to goldstone ' s theorem, the goldstone bosons with zero mass will emerge as the chiral symmetry is spontaneously broken. there are two ways : inear and non - linear methods to carry out this constraint. in our paper, we will use the non - linear method

    大量實驗和理論研究表明，手征對稱自發破缺對于理解低能強相互作用十分重要，而夸克凝聚又是導致手征對稱自發破缺的因素。按goldstone理論，伴隨手征對稱自發破缺應該會有零質量的goldstonebosons產生。而對于這一條件的實現有線性和非線性兩種方法本文將用非線性的方法將手征對稱自發破缺應用於su （ 3 ）模型即重子八重態，得出描述其強相互作用的手征對稱自發破缺lagrange密度。
  4. This paper synthetically summarized current research on terrestrial nitrogen cycle and soil nitrogen cycle, meanwhile, uncertainties of terrestrial nitrogen cycle were discussed. the global diversified ecosystem nitrogen and carbon storage was comparative thoroughly estimated through different life zone. the global organic nitrogen storage was estimate by the c / n ratio

    Post等按照不同生物帶比較全面的估算了全球各種生態系統類型的土壤碳氮密度和含量， mcelroy等利用土壤有機碳儲量和碳氮比來估算了全球土壤有機氮儲量。
  5. Effect of species and ecosystem on the density of rhizome alismatis

    種質與生態環境對澤瀉塊莖密度的影響
  6. The paper made an ecological anatomy, a cultivation experiment on the lime - soil habtat and an analysis on the diurnal variation of photosynthetic an transpiration rate from three aspects of morphology, transplantation, physiology. the conclusion is that : ( 1 ) from the viewpoint of morphological anatomy, it has typical xerophyte structure such as strong root system, small leaf area, dense floss under the leaf surface, high stomatal density, the small opening degree, developed vessels and palisade tissues etc

    從形態學、栽培學和生理學三方面對迷迭香進行生態解剖、石灰土上的栽培實驗以及光合蒸騰速率日進程的分析，得出以下結論： （ 1 ）在形態解剖上：迷迭香具有發達的根系，較小的葉面積，葉片下表面密被絨毛，氣孔密度大，開度小，厚的角質層和發育良好的木質部和柵欄組織等典型的旱生結構。
  7. According to basic principle and application experience of black light lamp, the trapping lamps were opened out using the principle of wave, color and taste to trap insect pests imago with the electric networks of frequently vibration and high voltages, it can trap many species and amounts of insect pests, reduce amounts of field ovum, greatly reduce insect pests density, save energy, have low lost, little harm to natural enemy and persons and livestock, have remarkable economic, ecological and social efficiency

    摘要借鑒黑光燈的基本原理和應用經驗，再配以頻振高壓電網觸殺的頻振式殺蟲燈，誘集的害蟲種類多、數量大，既大幅度降低了田間落卵量，又顯著減少了蟲口密度；節能省電，成本低；葉昆蟲天敵殺傷力較小，對人畜安全，不污染環境，具有顯著的經濟、生態和社會效益。
  8. The results indicated : ( 1 ) during the jointing stage of winter wheat, the differences of catalase activity among different measures of soil water utilization are significant in shallow soil, in which the catalase activity of furrow planting with straw mulch is the highest and that of row - spacing - reduced and close planting is the lowest ; ( 2 ) the trends of catalase activity versus depth are almost the same for different treatments, looking like an inverse s ; ( 3 ) for furrow growing without mulch, the activity of soil catalase in the furrow is higher than that in the ridge ; ( 4 ) soil catalase activity reflects some effects from different techniques of soil water utilization and may be used as a indicator for micro - eco - environment in the fields

    初步分析得出： （ 1 ）冬小麥拔節期，採用不同土壤水利用技術的冬小麥田淺層土壤過氧化氫酶活性差異明顯，以溝播不蓋秸稈處理的過氧化氫酶活性最強，縮行密植處理的最弱； （ 2 ）土壤過氧化氫酶活性隨深度的變化趨勢大體一致，呈反s形； （ 3 ）溝播不蓋秸稈處理溝中土壤過氧化氫酶活性明顯高於壟上； （ 4 ）土壤過氧化氫酶對於田間微生態環境具有指示作用，在一定程度上反映了土壤水利用技術對微生態環境的影響。
  9. However, people are thirsty for the nature in the same. thus, water as a kind of natural substance come to be an element in architecture design. therefore, the research of water factor design in modern architecture space is useful and imperious. the thesis introduce the basic conception, actuality and frame of the research in the first part, and points out that the research category is water factor design in modern civilian architecture space. in the second part, the paper analysis the water factor in classical garden and folk house, and expatiate the revelation for modern design. in the third part, the paper expatiate the role of water in modern architecture. such as uptown or public building. in the forth part, the paper expatiate the basic theory or principle of the water factor design in some aspects such as water, human, aesthetics and zoology. in the last part, the paper classify the water factor design in modern civilian architecture, and expatiate the combination and design method

    論文首先在緒論部分介紹了建築與水的關系、建築空間和建築空間水要素的基本概念、發展及研究現狀，並指出研究的主題是現代建築空間中的水要素；第二部分從歷史出發，介紹和分析中外古典園林和水鄉民居中水要素的特色及設計，並分別闡述對現代建築空間水要素研究的意義；第三部分分析闡述了現代建築空間中水要素的角色、作用，以及典型現代建築? ?居住小區和公共建築空間中的水要素；第四部分從水、人、美學和生態性等同現代建築空間水要素的設計密切相關的角度來分析現代建築空間水要素設計應遵循的基本原則，為此主要闡述建築空間水要素設計應滿足以水為中心、以人為主體，以及生態和可持續發展的要求；最後一章根據前文的分析，對現代建築空間水要素設計方法進行探討，形成現代建築空間水要素設計的組合方式和設計手法以及其它相關要素的設計要點。
  10. Large deviation for density - dependent birth - death process on countable state space

    可數狀態密度相依生滅過程的大偏差
  11. Unusually low bird density is due to many years of habitat degradation that has removed trees, eroded soils, and maintained grass - shrub cover over most of the island

    不尋常的低鳥類密度是因為多年的生境惡化。島上大部分的地方只維持著草地灌木叢土壤流失和沒有樹木生長的狀態。
  12. Such control can be realized in case where a atom interact with photonic band gap matericals when the atom is placed in photonic crystals whose density of modes is dramatically different from that of free space vacuum. it was known that control could be achieved by varying the frequency ( which leads to the changes of the relative position of the upper levels from the forbidden gap ) or by varying the photonic density of modes ( dos ) or by varying the intial atomic state

    由於光子晶體具有不同於真空中的光子態密度，原子和光子帶隙材料便發生相互作用，這樣便可以控制原子的自發輻射。改變原子上能級與光子禁帶邊緣的相對位置、材料中的光子態密度或原子初態都可以控制原子的自發輻射。
  13. Taking the land consolidation project of yizheng city in jiangsu province as an example, patch extension index, fractal dimension, diversity index, evenness index, dominance index, fragmentation index, corridor density, etc wee selected to analyze the characteristics of the landscape pattern before and after the land consolidation with the landscape ecology theory

    摘要運用景觀生態學理論方法，以江蘇省儀征市某土地整理項目為例，選取斑塊伸長指數、分維數、多樣性指數、均勻度指數、優勢度指數、破碎度指數、廊道密度等景觀指標，對項目區整理前後景觀格局特徵進行分析。
  14. This article mainly discusses the large - scaled cultural conditions of clone in gametophyte laminaria. it studies the proper temperature, light time, light intensity, the consumption of nitrogen and phosphorus, the cultural state and inoculating density on the growth of gametophytic clone, the experiment of large - scaled culture had been done under comparatively proper conditions, in the same time, we studied the growth rule of gametophytic clone in the cultural process

    本文主要探討了海帶配子體克隆的大規模培養條件，對海帶配子體克隆生長的適宜溫度、光照時間、光照強度、營養鹽消耗、培養狀態以及接種密度進行了研究，並在相對適宜條件下進行了大規模培養實驗，同時，對海帶配子體克隆在培養過程中的生長規律進行了研究。
  15. The sub - model for design of population density was developed according to the principle of determining boll number from target yield, fruit node from boll number, fruit branch from fruit node and population density from fruit branch by integrating the effects of sowing date, cutout date, effective temperature accumulation above 12, variety type, and fertilizer and water management levels. sowing rate was then decided by integrating the effects of different soil water and salt contents, ph, temperature and sowing style on seedling emergence rate with relative weight method

    基於「以產定鈴、以鈴定節、以節定枝、以枝定苗」的原理，同時考慮播種日期、打頂日期、 12的有效積溫、品種株型特性、肥水管理水平差異等因素來確定適宜的種植密度；在此基礎上，應用相對權重法計算土壤含水量、含鹽量以及整地質量和播種方式等多個生態環境因子對出苗率的綜合影響，進而確定播種量。
  16. The study shows that the early and late seed rains of constructive tree species in evergreen broadleaved forest at chongqing simian mountain had no activity. the bigger the seeds of the species and the earlier or later the seeds of the species matured, the higher the proportion of the seed rain damaged by animals. the quantitative variation of seed rain, active seed rain and seed bank did not take place at the same time. at early time, the number of seed banks of castanopsis fargesii, lithocarpus glabra, quercus myrsinrefolia, castanopsis plasyacantha, cinamomum subavenium. which own more active seed rain increased by geomitric series. the seed banks of castanopsis orthacantha and schima argentea were small, only survived a short time, and did not sprout next year. the quantitative dynamics of seed banks and their increasing or decreasing rates were decided by the proportion damaged by animals, dying speed of seeds and their resistance to pathogens and adverse circumstances, and the state of seed germination

    對重慶四面山常綠闊葉林建群種種子雨、種子庫的研究表明，建群種早期和晚期的種子雨無活力;種子偏早或偏晚成熟及大籽粒的樹種，其種子雨被取食的比例大;種子雨、有活力種子雨、種子庫三者的數量變化不一致;有活力種子雨量較大的栲、石櫟、小葉青岡、扁刺栲、香桂等，其種子庫密度在早期以近幾何級數的方式增長，元江栲、銀木荷種子庫小，存在時間短，翌年無一年生萌發苗;種子庫數量動態、消減率動態決定於種子被取食的強度、種子衰老的速度以及種子對病菌、逆境的抗性和種子萌發的整齊性
  17. Density structure and growth dynamics of larix principis - rupprechtii stand for water resource conservation in wutai mountain region in shanxi province

    五臺山華北落葉松水源涵養林密度結構與生長動態
  18. Based on experiments and theory analysis in the past, here we present the most important technology conditions that affecting photosensitivity : 1 、 cycle times, experiments showed that with the increase of cycle times, photosensitivity got worse ; 2 、 h dilution ratio, with the continuously increase of h dilution ratio, h ’ s bombardments on the growing surface enhanced continuously too. these bombardments can eliminate high - energy default configurations priorly and leave stable configurations behind. therefore, growing layer ’ s configurations are impacted ; default state density is decreased and photosensitivity is improved

    Layer - by - layer方法的制備工藝條件很多，我們在以往實驗和理論分析的基礎上，介紹了對光敏性影響最為重要的工藝條件: 1 、循環次數的影響，實驗表明隨著循環次數地增加，光敏性變差; 2 、 h稀釋比的影響，隨著h稀釋比的不斷增加， h對生長表面的轟擊不斷增強，這些轟擊能優先消除高能缺陷結構而留下穩定的結構，從而使生長層結構緻密，減少缺陷態密度，提高薄膜的光敏性。
  19. This paper presents effects of estuarine species on sediment geological properties including morphologic, penetration strength and grain size of sediments in diaokou area around the delta of the yellow river

    本文以黃河三角洲釣口區潮灘為研究對象，研究了不同生物密度對沉積物工程地質特徵的改造，包括灘面形態、沉積物強度、以及沉積物顆粒大小的改變。
  20. Self - assembled semiconductor quantum dots are widely used in fabrications of nano - electronic devices, since they have few defects, mature growth technology and electronic state density of 6 function

    自組裝半導體量子點由於缺陷少、生長技術成熟和具有函數形式的能態密度等優點而被廣泛用於納米電子器件制備中。
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