結構群 的英文怎麼說
中文拼音 [jiēgòuqún]
結構群
英文
configuration group-
In the present study, aflp ( amplified fragment length polymorphism ) markers was used to examine population of abies yuanbaoshanensis in order to understand the level of population genetic variation and genetic structure. the result would help to evaluate its evolutionary potentiality and the degree of being endangered and could provide scientific basis for making right protection strategy. high - quality dna was extracted using ctab method from those tender leaves of forty - three fully - developed trees in population abies yuanbaoshanensis
本研究選用一種高效的檢測遺傳變異的分子標記? ? aflp技術來分析元寶山冷杉種群的遺傳多樣性，旨在了解該種群在分佈區內的遺傳變異水平和遺傳結構情況；研究結果將有助於更清楚地認識這一瀕危類群的生存潛力和瀕危程度，而且可以為制定何種挽救和保護措施提供科學的依據。They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。Moreover, the presence of the activities of aerobes and anaerobes in the immobilized sludge is further conformed by specific activity experiments in aerobic and anaerobic conditions, and the microorganism community structure of the co - immobilized granular sludge in micro - aeration condition is also deduced
厭氧好氧活性實驗也進一步證實了固定化顆粒污泥中厭氧、好氧菌活性的存在，並進一步推導出了微氧條件下氯酚固定化顆粒污泥的菌群結構。The respiratory intensity of the contaminated soil decreased by 29. 93 % while ammonification and nitrification increased significantly than that of control soil. 2. extraction and purification of soil microbial total dna a method of extracting soil total dna was developed, and it can extract dna from g + bacteria
二、土壤微生物總dna的提取和純化方法研究為了採用不依賴于培養的16srdna分析的方法研究有機磷農藥長期污染對土壤微生物群落結構的影響，建立了從土壤中提取總dna的方法，並通過改進使適合於對革蘭氏陽性菌的提取。3 the comparison of mitochondrial genomes and phylogentic relationships of amphibian there still is a lack of consensus regarding living amphibian phylogenetic relationships. the most widely accepted hypothesis, based on morphological data, supports the monophyletic origin in the late paleozoic ( 300 mya ) of the three living orders in the class amphibia and a sister - group relationship between caudata and anura ( the batrachia hypothesis ) to the exclusion of the gymnophiona
3兩棲類動物的線粒體基因組結構比較和系統發生關系現存兩棲類的三個目的系統發生關系仍然沒有統一意見，最廣泛被接受的假說，是建立在形態學證據基礎上，支持現生的兩棲類三個目在古生代後期（ 300mya ）單系起源，並且無尾類和有尾類為姐妹群關系（蛙類假說） 。The amygdaloid complex is one of crucial structures of the limbic system. the amygdaloid complex was convinced to be broad related with emotion, memory, and sense function of animals
杏仁體，亦稱杏仁核群，是大腦邊緣系統關鍵結構之一，近年來因證實它與情緒、感覺、記憶的關系密切而倍受關注。Under mixed culturing conditions, it was observed that bacterial number rapidly incre ; ised soon after the lysing of host cells. on the contrary, while the non - host cyanobacterium ( i. e. anabaena flos - aquae ) was incubated in the mix culturing system, the breeding of the bacteria could be inhibited. it may be suggested from the result above that cyanophage could bring about the changes in microorganism populations
調查結果顯示， 19個採集的水樣中有6個含有裂解織線藻的噬藻體，而且水樣未經濃縮即能裂解宿主，說明噬藻體在淡水中分佈較廣泛，裂解性也較強；混合培養條件下的研究結果表明，噬藻體裂解宿主后，細菌數量快速增加，而當培養系統中有非宿主藻類存在時，細菌的增殖則受到非宿主藻的抑制，說明噬藻體可以顯著改變系統中微生物的種群結構。The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu
另外，通過rapd資料的聚類分析及相關性分析研究，發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙漠過渡帶的微生境生態因子（主要是土壤因子）相關，其中無葉假木賊亞種群遺傳多樣性水平不僅與土壤含水量（ w ） 、鉀鈉離子濃度（ k + na ）和氯離子濃度（ cl ）呈顯著的正相關（ p 0 . 05 ） ，還與土壤中有機質（ som ） 、全氮（ nt ）和全磷（ pt ）含量呈顯著的負相關；同時，角果藜種群的遺傳多樣性水平與土壤中有機質（ som ）和全氮（ nt ）含量呈顯著的正相關，而與co _ 3 ~ （ 2 - ）濃度呈顯著的負相關；除此之外，其它土壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著（卜0 . 05 ） 。The reproductive characteristics and population structure of artemisia ordosica, hedysantm scoparium, caragana korshinskii and the reproductive characteristics of annual plants eragrostis poaeoides and bassia dasyphylla were observed in shapotou artificial revegetation area. stability of the artificial vegetation was appraised from the views of its persistence and variability under local natural condition. the study showed that : the artificial - natural vegetation built with sandbreaks and plants is stable in shapotou area
通過對沙坡頭人工固沙植被區主要建植種群檸條（ caraganakorshinskii ） 、花棒（ hedysarumscoparium ）和油蒿（ artemisiaordosica ）的繁殖特性及種群結構的研究，以及自然侵入的一年生草本植物小畫眉草（ eragrostispoaeoides ）和霧冰藜（ bassiadasyphylla ）繁殖特性的研究，探討了在植被的持久性和變異性，分析評價了主要受惡劣環境壓力下的人工固沙區植被的穩定性。Environmental heterogeneity promote happen of structural variations. facultative apomixes preserve the variations
這些結構變異也存在於居群內。Study on spatial structure of tourism resources in zhoushan archipelago
舟山群島旅遊資源空間結構研究Impacts of reimbursement cropland for lakes on avifauna community
退田還湖對洞庭湖鳥類群落結構的影響The essay tries to construct a basic garment pattern that satisfies the massive customers and meets the requirements of a brand garment style, and then rapidly be transfered to a garment body structure by analyzing bust board and back board, the relation of the dart and the relaxation of the bust by way of the draping on the basis of the orient body and style
摘要通過立體裁剪的手法，分析胸寬、背寬、胸省的大小與胸圍放鬆量的關系，根據胸腰差形成衣身結構的原理，來構造滿足消費群體和品牌服裝造型風格的企業基型，通過企業基型的快速轉換而形成衣身結構。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。Robustness of our results was confirmed by high bootstrap support of all nodes in the trees. this result contradicts the batrachia hypothesis ( a salamander + frog grouping ), and is consistent with bolt ' s hypothesis ( 1991 ) basing on the morphological data. the result was also supported by previous molecular studies based on mitochondrial and nuclear rrna data
這個結果與蛙類假說是相矛盾的，與bolt （ 1991 ）中國澤蛙線粒體基因組結構及種群系統地理學研究在形態學基礎上提出的絨蝶類和蚓螺類為姐妹群關系的假說相一致，並得到建立在線粒體和核trna基因數據基礎上的許多分子研究的支持。The course covers productivity and biogeochemical cycles in ecosystems, trophic dynamics, community structure and stability, competition and predation, evolution and natural selection, population growth and physiological ecology
課程包含生態系之生產力與生物地質化學循環、營養動力學、群落結構與穩定性、競爭與捕食、演化與天擇、族群成長，及生理生態學。It has also expounded the compounding theory and methods on the relationship of varieties, the construction and development of communities
並就種間關系、群落結構、群落演替等方面闡述配置的原理與方法。1. a new complex hierarchical structure, group cluster, is firstly proposed. expanded from traditional tree structure, the group cluster can illustrate the complex system
獨創性地提出了復雜的層次式協作系統結構? ?群簇，對傳統的「樹」型層次結構加以擴充，使其能夠描述由多個協作群體組成的復雜大系統（群體的群體） 。According to the results of wheat variety regional test in huhei province and the fertilizer experiment conducted in wuhan, suizhou and xiangfan, this article reports yield components, population structure, methodology of fertilizing nitrogen and key cultivation techniques of wheat variety zhengmai 9023 in hubei province
摘要在總結鄭麥9023在湖北省小麥區域試驗及肥料試驗的基礎上，對其產量表現、施肥效果等指標進行統計分析，提出了湖北麥區高產栽培條件下鄭麥9023的產量結構、群體結構及關鍵栽培技術。Several important conclusions are gained by the analysis of push - over method and quasi - static reversal load pattern to a reinforced concrete structure : under the two earthquakes, the responses of structure are more serious than the responses under single earthquake, by the conclusion, it is not rationality that structure ' s earthquake damage prediction under single earthquake ; the main - after earthquake action is different from fore - main earthquake action under the same earthquake magnitude combination ; the push - over analysis to the structure is convenient and utility, it also reflects the response and performance of structure under the earthquake, so the method ' s development future is wide. based on the research of the former scholars, some means of structure resisting earthquake are introduced in the last part of this thesis, and the result of earthquake damage prediction for the planning area of quanzhou city is given
通過對一鋼筋混凝土結構進行push - over分析與擬靜力循環往復加載分析，得到了一些重要結論：在兩次地震動作用下，結構物的反應比僅考慮一次地震動作用時的反應要嚴重的多，從而說明傳統上僅僅考慮一次地震動作用的建築物震害預測是不合理的：即使在同震級組合的兩次地震作用下，前震主震型、主震餘震型地震對結構物產生的破壞作用也是不盡相同的；對結構物進行靜力彈塑性分析的方法（ push - over方法）簡便實用，並能較準確地反映大震下結構的一般性能和反應，再一次的證明了該方法具有廣闊的發展前景；根據前人的研究成果，在本文的最後，簡單的介紹了一些結構物抵禦多次地震破壞作用的方法，並給出了泉州市規劃區內鋼筋混凝土框架結構群體震害預測的結果。分享友人