plant distribution 中文意思是什麼

plant distribution 解釋
植物分佈
  • plant : n 1 植物,草木 (opp animal); 草本;〈商用語〉樹秧,苗木。2 莊稼,作物,收獲;(植物的)生育。3 ...
  • distribution : n 1 分配,分發,配給;分配裝置[系統];配給品;配給量;【經濟學】配給方法,配給過程;分紅;【法律...
  1. Abstract : in ureide - transporting legumes , ureides ( allantoin and allantoic acid ) are major transportform of biological fixed nitrogen. the distribution , properties , structure and regulation of plant allantoinase were reviewed in detail. the advances in the recent studies on allantoate amidohydrolase and ureidoglycolate amidohydrolase were introduced. and the works desired to be done were pointed out

    文摘:全面綜述植物酰脲降解代謝酶的研究現況,概述植物尿囊素酶的分佈、性質、結構,以及調節控制,並簡介植物尿囊酸酰胺水解酶和脲基乙醇酸酰胺水解酶的研究近況,同時指出待研究的方向。
  2. Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us

    本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵,包括南方紅豆杉種群年齡結構、種群空間格局(探討分佈格局動態規律與生境相互關系) 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等,分析其目前現狀及瀕危原因,期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎,也為瀕危植物種群生態學的研究提供參考。
  3. Time segment pricing of electricity can refresh the information of electric distribution cost in a very short time, and provids the basis for optimizing power generating to the power plant

    摘要分時電價能在很短的時段更新供電成本的信息,為電廠提供優化發電功率的依據。
  4. The spatial distribution patterns and methodology of sampling of the red globe grape downy mildew disease plant in filed

    紅地球葡萄黑痘病的發生與防治
  5. Edaphic factors the physical, chemical, and biological characteristics of the soil that together form an important component of the habitat because of their influence on plant distribution

    土壤因子:包括土壤的物理、化學和生物特徵,因其對植物分佈的影響,共同構成了棲息地的重要成分。
  6. Distribution zone of diploid individual are the most extensive in china, while no tetraploid plant is found north of 40 degree north latitude, and hexaploid populations distribute mainly along the changj iang river, is found only in three populations in the yunnan - guzhou plateau. the hexaploid cytotype of var

    4細胞地理學研究表明,二倍體占據我國最廣大區域,而四倍體分佈區的北界則向南遷至40 n ,六倍體主要分佈於25 n - 33 n的狹長地帶,八倍體則在雲貴高原中部及東部邊緣零星分佈。
  7. Abstract for the foursquare - distribution direct current firing implement, the distributing evenness of its air quantity and powdered coal quantity is very important to the safe and economical operation of power plant boiler

    在電站鍋爐的運行中,對於四角布置的直流燃燒器,其風量和煤粉量分配的均勻性對鍋爐安全和經濟運行有著重要意義。
  8. In the plant organs, the stomatic distribution characteristics of leaf epidermis may be taken as an evidence of plant classification

    在植物不同的器官中,葉表面的氣孔分佈特徵可以作為植物分類的佐證。
  9. Through calculation and dynamic adjustment of the distribution factor for every power plant and tie line, more accurate load flow change can be obtained

    通過計算並動態調整各個調節電廠和聯絡線的調節分配因子,得到比單個鬆弛節點計算時更加實際的潮流變化。
  10. This paper researches the basic statistical rule of oil - gas dynamic system from the systematic theory, combining with the common characteristic and structure characteristic of oil - gas dynamic system, taking the design requirement of oil field development programming into consideration, by using of functional simulation principle ( including nn method, differential simulation method ) and historical data of oil field, establishes the in - out conjunctional relationship of dynamic index of oil field development, and researches the two level index prediction of development dynamic with both oil field and oil production plant on the basis of the in - out conjunctional relationship. furthermore, this paper analyzes the " decision - making variable ", " object " and " restriction terms " by the optimization theory and set up several optimal models which compose the oil field development programming, it is following : optimization model of the production composing ( solving the optimal composing of each subentry production and cor responding cost, workload, including the onshore thin oil production, the heavy oil thermal process production, tertiary oil recovery production, and the offshore production ) ; optimization model of measure production structure ( determining the optimal composing of each measure production and measure workload, which is composed of fracture, acidulation, capital repair and so on ) ; optimization model of the production distraction ( optimal distribution of the whole oil field production to each oil production plant ) and the integrated development programming model of oil field

    本文從系統理論出發研究油氣動態系統基本統計規律,結合油氣動態系統的一般特點,結構特點,兼顧油田開發規劃設計的要求,利用功能模擬原理(含神經網路方法、微分模擬方法) ,依據油田歷史數據,建立了油田開發動態指標間的輸入輸出關聯關系,並在此輸入輸出關聯關系的基礎上研究了油田及採油廠兩級的開發動態指標預測,同時利用最優化原理,在分析「決策變量」 、 「目標」及「約束條件」的基礎上建立了多個構成油田開發規劃的「優化模型」 ,這些優化模型包括:產量構成優化模型(解決陸上稀油產量、稠油熱采產量、三次採油產量、海上產量及對應的成本、工作量的最優構成問題) ;措施產量結構優化模型(解決壓裂、酸化、大修等各項措施產量及措施工作量的最優構成問題) ;產量分配優化模型(將油田的產量最優地分配到各採油廠)以及油田綜合開發規劃模型。
  11. A ship ' s power station is a plant which generators and continuously supplies electric power to various auxiliary machinery on board and meets the electric power demands of the whole ship. normally, a ship ' s power station consists of a prime mover, generators and their ancillary equipment ( to form generators sets ) and distribution boards, being an essential part of the power system on board a ship

    船舶電站是產生並連續供給輔助機械及全船所需電能的設備,它由原動機、發電機和附屬設備(組合成發電機組)及配電板組成,是船舶電力系統的核心部分。
  12. The species, heights, diameter breast heights, canopy widths and plant numbers in 38 quadrats of 6 belt transects, which were located in yingsu cross - section and kaerdayi cross - section lying in the lower reaches of tarim river where populus euphratica concentrated, were investigated to study the distribution patterns, aggregation intensities and distribution pattern scales of p. euphratica populations at different distances away from the river

    摘要在塔里木河下游胡楊分佈集中的英蘇、喀爾達依斷面,設置了6條樣帶38塊樣地進行植被種類、高度、胸徑、冠幅、株數等因子調查,研究了不同離河距離胡楊格局分佈類型、聚集強度及其格局規模。
  13. In this study, authors report three hundred and forty _ seven species of coleoptera insects which damage the agriculture and forestry in the northeast area of china. the insects which belong to thirty _ nine families have been given a detailed description of the specific distribution and feeding character in order to provide a scientific evidence for many workers of the agriculture and forestry and plant _ protector. in this paper, twenty _ three families are discussed that is cicindelidae, carabidae, hydrophilidae, staphylinidae, dytiscidae, elateridae, silphidae, histeridae, corynetidae, buprestidae, ostomatidae, nitidulidae, cybocephalidae, catogenidae, sivanidae, mycetophagidae, lathridiidae, ptinidae, bostrychidae, anobiidae, lyctidae, tenebrionidae, meloidae, totally eighty _ seven species

    本研究作者報道了東北地區危害農業、林業的鞘翅目昆蟲347種,它們隸屬於39科,作者對這些種類的分佈及其取食特徵進行了詳細的描述,以期為廣大農業、林業及植物保護工作者提供科學依據.本文論述了23科,即虎甲科、步甲科、牙甲秒、隱翅蟲科、龍虱科、叩頭蟲科、葬甲科、閻甲科、陷附郭公蟲科、吉丁蟲科、谷盜科、露尾甲科、方頭甲科、扁甲科、鋸谷盜科、小覃甲科、薪甲科、蛛甲科、長蠹科、竊蠹科、粉蠹科、擬步甲科、芫菁科共87種。
  14. Test and analysis for the stator bars temperature in gezhouba power plant show that, by different transposition, temperature distribution in bars is different. the reason is in skin effect and circulating current among different layers

    究其原因,各股線的電流不等,股線間存在較大的環流,造成各股線間溫差可高達30 40 。
  15. This paper presents the way to configurate the distribution transformer, and the setting method for the stator earth fault protection with the example of hubei tiantang pump - storage power plant

    針對配電變壓器裝置提供了一套較完整的配置和整定計算方法,並結合湖北天堂抽水蓄能電站的實例進行計算, ?此類接地方式提供了可借鑒的方法。
  16. They can be applied to electric power automatic control in many fields such as heat power plant, heat - electric generating plant, hydroelectric power plant, electric network, substation, pumping station, hydro - junction etc. and for electric power dispatching telecontrol system by telemetering and remote control, and field electric energy monitoring of the utilization and distribution equipment in numerous enterprises, can widely apply to electric power, water conservancy, metallurgy, petrochemical industry, chemical industry, railway, port, municipal administration, construction material, post and telecommunication, tobacco, papermaking, spaceflight base, civil aviation airport, hospital and school etc, many profession and field

    適用於火電熱電水電電網變電站所泵站水利樞紐等方面的電力自動控制和進行遙控遙測的電力調度遠動系統,以及眾多企事業單位用電配電設備的現場電量監控等。可廣泛應用於電力水利冶金石化化工鐵路港口市政建材郵電煙草造紙航天基地民航機場以及醫院學校等多種行業或領域。
  17. Euonymus chloranthoides yang is an endangered plant species which is endemic to jinyun mountain and dongwenquan of chongqing with the most favorable habitat in the forest of sinocalamus affinis ( rendie ) mclure. we made field investigations on three natural populations available presently in the whole distribution areas of e. chloranthoides

    縉雲衛矛( euonymuschloranthoidesyang )是重慶特有種,目前處于瀕危狀態,主要分佈於重慶北碚區縉雲山、雞公山及渝北區的東溫泉內,生境多為慈竹林。
  18. Base on the data collected from the field investigations, we analyzed the static life table, age structure, spatial distribution patterns of the populations of e. chloranthoides. we further studied the intraspecific competitions within the species and the interspecific competitions between the species and other concomitant species in the communities. with the helps of the logistic equation, leslie ' s matrix and the average moving law method we simulated and estimated the population dynamics of this endangered plant species

    本研究以縉雲衛矛為研究對象,通過對三個種群的野外調查,研究和分析了縉雲衛矛的種群年齡結構、種群空間分佈格局及種內和種間的競爭關系,並利用logistic方程、 leslie矩陣及移動平均法模擬和預測了三個種群的數量和結構動態,在此基礎上分析了造成縉雲衛矛瀕危的原因,提出了相應的保護措施,旨在為縉雲衛矛的保護提供理論依據。
  19. Methods plant ; distribution plant, coke, bauxite, pig iron

    洗選精煤;經銷精煤、焦炭、鋁礬土、生鐵。
  20. Community planning ' s complete road system and green plant distribution is pets ' playing ground ; tall and big arbor and brush bundle bring to people taste of joyful naturalness and impulse

    如果社區規劃完整的道路體系與綠植分佈,是寵物們的撒嬌場地;如果高大喬木與灌木叢的橫生疊交,是人產生審美愉悅的自然沖動。
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