環境因子 的英文怎麼說

中文拼音 [huánjìngyīnzi]
環境因子 英文
environment factor
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 境 : 名詞1 （疆界; 邊界） border; boundary 2 （地方; 區域） place; area; territory 3 （境況; 境地） co...
  • 因 : Ⅰ動詞[書面語] （沿襲） follow; carry on Ⅱ介詞1 [書面語] （憑借; 根據） on the basis of; in accord...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 環境 : environment; surroundings; circumstances; ambient; closeness; ambience; ambiance; atmosphere
  1. The anabolism of starch was reviewed, and the main influential factors of starch content of flue - cured tobacco leaves in china during recent years were summarized in five aspects, such as genetic factor, environmental factors, agronomic measures, curing technique, aging and fermentation

    摘要簡述了煙葉中澱粉的合成、積累代謝，並從遺傳因素、環境因子、農藝措施、調制及陳化發酵幾個方面總結了影響烤煙澱粉含量的主要因素。
  2. 3. food, temperature and predation pressure directly act on the value of venturous revenue and are major environmental factors affecting dvm of the copepod

    食物、溫度和捕食壓力直接影響風險收益值的大小，是影響橈足類垂直遷移的主要環境因子。
  3. This paper introduced the status and development of basic research on phytochemistry and natural product chemistry in the fields of searching bioactive components, biosynthesis and molecular regulation of plant secondary metabolism substance, environment influence on the synthesis and accumulation of plant secondary metabolism substance, the relationship of endophyte and plant secondary metabolism substance

    摘要本文從生物活性成分的篩選與分離、植物次生代謝產物生物合成及其分子調控、環境因子對植物次生代謝產物合成和積累的影響、植物體內生菌與植物次生代謝產物的關系等方面介紹了我國資源植物化學與天然產物化學領域基礎研究的現狀與發展。
  4. The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand

    針對流域特點建立了基於水資源的流域可持續發展評價指標體系，引入發展系數、協調系數、公平系數，以及由其構成的衡量水資源支撐社會可持續發展綜合水平與能力的可持續發展系數，提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源承載能力研究，論文根據生態適宜性理論，建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對數正態分佈模型。基於此關系模型，利用遙感技術成果以及植物生理需水的現場實驗數據，提出了乾旱區天然植被生態需水量計算方法。
  5. Assemblage ) represented the coastal shallow - water environment ; factor 2 ( protelphidium tuberculatum assemblage ) represented the alongshore cold - water current area or cold shallow sea environment ; factor 3 ( elphidium magellanicum assemblage ) represented the sh allow sea ( < 20 - 30m depth ) deposit ; factor 4 ( ammonia ketienziensis assemblage ) represented the shallow - sea water more than 50m depth ; and factor 5 ( buccella frigida assemblage ) represented the colder - water sea environment ; and the distribution of factor load accorded with the character of benthic foraminifer community

    Q型因子分析揭示ey02 - 2孔5種有孔蟲組合，分別對應濱岸鹽沼環境、黃海沿岸流冷水分佈區、高潮坪淺海沉積環境、水深大於50m的現代淺海環境及較冷的沉積環境。因子載荷的分佈與有孔蟲群落特徵吻合較好。南黃海有孔蟲含量? ?水深轉換函數關系式有一定的局限性，並不能在南黃海陸架地區推廣使用。
  6. Abiotic environment the nonliving factors of the environment that influence ecological systems. abiotic factors include climate, chemical pollution, geographical features, etc

    非生物環境：影響生態系統的非生物環境因子。非生物的因素包括氣候，化學污染，地理特徵等。
  7. Golden section, the optimization of environmental factors for human body

    人體環境因子的最優化選擇
  8. Environment factors influencing the natural breeding of captive crested ibis

    環境因子對籠養朱?自然繁殖的影響
  9. A quantificational study on the relationship between saccharide content of medlar and surrounding factors

    枸杞總糖含量與環境因子的量化關系研究
  10. At the same time, this paper also describes the fluctuation of soil nutrients and the contrast between soil of leguminosae and non - vegetation covering. the results are as follows : 1 ) despite the mesophyte leaf form of the ten pioneer species there were significant differences in leaf anatomical characters among them and some differences among different plants of an individual

    結果表明研究區喀斯特先鋒植物葉片在不同種類之間具有明顯差異，這些差異除受遺傳因子控制外，環境因子（主要為光照和水分）也有重要作用；生活型不同對先鋒植物葉片特徵有一定影響，但未表現出規律性。
  11. The activity of sucrase had insignificant correlation to the environmental factors

    與環境因子無顯著的相關關系。
  12. Transpiration of shading carex meyeriana and its response

    蒸騰特性及其與環境因子的關系
  13. A model is developed to analyze the tradeoff between benefits and costs involved in the strategies for the normal dvm of copepod. the venturous revenue is used as the criterion for this optimal tradeoff. it is a function of the environmental factors and the age of copepod

    本文提出一個橈足類常規的晝夜垂直遷移模型，以分析橈足類在垂直遷移的決策過程中對利益和風險的權衡機制，風險收益被用來作為這種權衡機制的優化目標，它是環境因子和橈足類年齡的函數。
  14. Diurnal variation of transpiration rate of carex meyeriana and its relationship with environmental factors under different water conditions

    不同積水處理下烏拉苔草蒸騰速率日變化及其與環境因子的關系
  15. Abstract : in this paper, we obtain the point estimetions and the approximate confidence interval of the environment factor of the lognormal distribution based on the censoring samples. the accuracy of the approximate confidence interval is studied by the simalation method

    文摘:本文導出了壽命分佈為對數正態分佈時基於截尾樣本環境因子的點估計和近似置信限，對所給近似置信區間作了模擬研究。
  16. The author investigated the community of grasshoppers in changbai mountain area during the period of july to september 2001, complementally collected specimen and systematically collected and measured environmental factors from july to october in the following year, and consulted to specimen collected by fengling zhang and yanlong - yang in 1979, 1980 and 1981. by analyzing and classifying the data of five years, the author analyzed the community construction and ecological adaptability of the grasshoppers in the area. the main aspects dealing with the grasshoppers are as follows : ( 1 ) the community construction and faunal geographical elements ; ( 2 ) characteristics of their ecological distribution ; ( 3 ) vertical distribution of grasshoppers in the northern slop ; ( 4 ) the relationship between environmental factors and differences in shape of grasshoppers in different vertical belt of northern slop, etc. in terms of faunal geographical elements of grasshopper communities, 48 species of grasshopper were recorded, belonging to 31 genera, 7 families

    本文作者於2001年7 9月間系統地調查了長白山地區的蝗蟲，並於2002年的7月到10月間對標本進行了補充採集，並對環境因子數據進行了系統的測量和收集，同時參考張鳳嶺、楊彥龍先生1979 、 1980和1981三年採集的標本，通過對標本的鑒定和整理，採用五年的野外工作數據，對長白山地區蝗蟲群落結構及生態適應特性進行了研究，主要研究內容包括：蝗蟲的群落結構及區系地理成分；蝗蟲生態分佈特點；保護區北坡蝗蟲垂直分佈及不同垂直帶內蝗蟲的形態差異和環境因子之間的關系等方面內容。
  17. Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "

    W12菌株對環境因子的適應性研究：無氮培養條件下，測定溫度、碳源、酸堿度、滲透壓對w12生長及固氮能力的影響，結果表明，在15 - 40下均能生長並表達固氮酶活性，其最適生長及固氮的溫度為25 - 35 ；能利用葡萄糖、蔗糖、蘋果酸、甘露醇等多種碳源生長並固氮，當培養基中同時存在蔗糖和蘋果酸時，細菌生長和固氮活性最強；在偏酸和偏堿的條件下（ ph4 . 5 - 8 . 5 ）均能保持較強的生長勢和較高的固氮酶活性，並能通過調節自身代謝平衡並適應環境的酸、堿性變化，使培養液趨于中性：能耐受較高的滲透壓，培養液中卜、 5 naci濃度對其生長和固氮酶活性影響不大，當naci濃度升至2時，菌株的生長勢及固氮酶活性才有所下降：低濃度的鉸對其固氮酶活性影響不大，在0
  18. Egg in diapause or not : logit ( p ) = - 41. 832 + 1. 422x1 ( sea - water temperature ) + 0. 509x2 ( photoperiod ) ; female laying diapause eggs or not : logit ( p ) = - 89. 001 + 6. 611x ( photoperiod ) the former reflected the effect of environmental conditions on the amount of diapause eggs of this species in xiamen waters, and it is important to study the population dynamics of this species in this area ; while the latter reflected the effect of envi ronmental conditions on inducing the female of this species to lay diapause eggs, and it is important to research the diapause inducers of this species in this area and the physiological mechanism of diapause

    卵是否滯育： logit （ p ） = - 41 . 832 + 1 . 422x _ 1 （海水溫度） + 0 . 509x _ 2 （日照時間） ；雌體是否產滯育卵： logit （ p ） = - 89 . 001 + 6 . 611x （日照時間） 。前者反映的是海區環境對整個廈門海區該種類滯育卵多寡的影響，對于研究本海區該種類的種群動力學有著重要意義；後者反映的是海區環境對該種類雌體產滯育卵的誘導作用，對于研究誘導該種類在本海區滯育的環境因子和生理機制具有重要意義。
  19. Effects of vallisneria asiatica on water environmental factors and its diurnal variation

    苦草對水中環境因子影響的日變化特徵
  20. In this paper, with the helps of the ordinary ecological site - study techniques, electrophoresis and the multivariate analyses, from both the levels of morphological and allozymic variation, we studied the differentiation patterns of 29 morphological characters and 6 allozymes of 97 individuals from 7 populations of euonymus chloranthoides yang, an endangered plant species which is endemic to mt. jinyun of chongqing. we also studied the relationship between such differentiation and its environment factors

    本文以處于瀕危狀態的縉雲衛矛為研究對象，在測定了各種群的生存環境因子基礎上，從形態和等位酶兩個層次採用多種數量分析方法對縉雲衛矛7個種群97個個體的29項形態指標及6種等位酶反映出的生態遺傳分化及其與環境的關系進行了研究。
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