種間關系 的英文怎麼說
中文拼音 [zhǒngjiānguānxì]
種間關系
英文
biological interaction-
The study is imitating subulate tool penterite armor fabric by method of test for puncture of paperboard and corrugated fiberboard, and to ascertain the laver of armor fabric for absorb energy and arrestment, and any difference angle to compare the rank of defying ball, for understanding the sharp to the rank of annor fabric defy penterite energy, and penterite deep, the lose energy relation of sharp
摘要本研究是以沖孔強度試驗機測試，模擬尖錐利器攻擊穿刺防彈衣，且對于防彈衣層數間的阻抗作用及能量吸收的情形，並對各種不同角度的抗彈織物疊層排列作相互比較，進而?解尖錐對防彈衣的抗穿透層數之能量及穿透深度、錐度之能量耗損之間關系。His rapidity in establishing interpersonal relations tends to be matched by the superficiality of such relations.
他建立個人之間關系的迅速，往往同這種關系的膚淺相一致。Overwintering spider mite community in orchardand the interspecific association
果園越冬葉蟎群落和種間關系Genetic diversity and relationships among species of lonicera in gansu province
忍冬屬植物的遺傳多樣性及其種間關系研究The rel tionship between tasks in chinese reading developmental research
漢語閱讀發展研究中幾種實驗任務之間關系的探討In this work, some species of palmae cultivated in the xiamen botanical garden had been selected to be analyzed their genetic diversity with rapd ( random amplified polymorphic dna ) technique. according to the result of genomic dna amplified with pcr ( polymerase chain reaction ), genetic distance and similarity between different palm species were calculated on nei " s estimate of similarity and genetic distance. a primary but first time research at the phylogenetic relationships of some genera and species, the molecular classification and identification of some puzzling species of palmae was carried out through upgma ( unweighted pair group mean average ) cluster analysis of the genetic distance together with comparative study of the morphological structure characteristics
本文在初步調查分析了棕櫚科植物在我國的自然分佈、引種馴化情況以及該類植物在廈門地區栽培應用狀況的基礎上，首次採用rapd分子標記技術，對廈門萬石植物園引種的一些棕櫚科植物的遺傳多樣性進行了研究，根據pcr對基因組dna擴增的結果，用nei ' s相似性系數計算了不同植物間的遺傳距離和遺傳一致度，通過對遺傳距離的upgma聚類分析，並結合形態分類的特點，對棕櫚科植物的屬、種間的系統分類關系和一些疑難種的分類鑒定進行了初步研究。To improve the representation capability for index relationships in enterprise performance modeling, the performance modeling method based on casual relationship was improved and an index improvement method based on conditioned probability was proposed
摘要為增強企業性能建模中性能指標之間關系的表達能力，改進了基於因果關系的性能建模方法，提出了一種基於條件概率的指標關系改進方法。A calculation of the approximate sales volume required to just cover costs, below which production would be unprofitable and above which it would be profitable
一種銷售收入大致與成本持平的計算方法，在其之下將無利潤，之上則可獲利。指用來描述固定成本、變動成本以及利潤等三者間關系的分析技術。The interspecific association and correlation of 36 dominant species of the wetland vegetation were analyzed by using x2 - test, pearson ' s coefficient and spearman ' s coefficient. the results shown that those dominant populations composed 630 species - pairs ; among the 36 species were herbs, and the higher significant association ' s or correlation of species - pairs were 49, 88, 71, respectively, moreover, the significant association ' s or correlation of species - pairs were 31, 9, 7, respectively
採用x ~ 2檢驗、 pearson積矩相關系數和spearman秩相關系數等方法對濕地植物群落的種間關系研究，結果表明： 36個建群種群和優勢種群構成的630個種對（其中主要是草本植物） ，其中極顯著關聯的種對數分別為49 、 88 、 71 ，顯著關聯的種對數分別是31 、 9 、 7 。X2 test with 2 2 contingency table and ochiai indices were used to analyze the interspecific association of 12 dominant species of meadow community and 20 dominant species of scrub community and 18 dominant species of tree community. pearson ' s correlation coefficient and spearman ' s rank correlation coefficient were also applied to calculate correlations between species
在該地區植被的優勢種的種間關系的研究方面，運用2 2列聯表、 x ~ 2檢驗方法對群落優勢種進行總體相關性和種對間的聯結性檢驗，利用共同出現百分率jaccord指數測定種對間的關聯度，應用pearson相關系數和spearman秩相關系數刻畫種對間的數量變化關系。This paper selected the middle part of taihang mountain as study area. the species diversity, interspecific association and correlation, and niche breadth and niche overlap were studied. the community types, community structure, ecological relationships between species diversity and community types, environmental variables were analyzed in details
本文以太行山中段植被為研究對象，從植物群落的物種多樣性、種間關系及群落優勢種的生態位寬度和生態位重疊三個方面深入探討和研究了該地區群落類型、結構、生態及分佈格局，群落多樣性與群落類型、生境、群落結構之間的關系，以及主要優勢種的種間關系。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。The results indicted that species with positive association have similar biological characteristics and demand similar habitats, and the relationships among species - pairs are of significant difference in different types of community
結果表明，對生境要求相同或相似的種對表現出顯著的正關聯；種間關系因群落類型不同而有明顯差異。The results suggest : dna samples that were extracted using the modified ctab method were successfully amplified by rapd ; rapd technique showed some potential to be useful in determining relationship between species within the two genera. the taxonomic position of ? linza, which is problematic based in morphological classification, showed a closer relationship with ulva
結果表明，應用改進的ctab法獲得的dna樣品可成功用於rapd擴增； rapd技術適用於這兩個屬種間關系鑒定；基於形態分類有爭議的緣管滸苔的分類地位在rapd分析中表現出與石蓴屬更近的親緣關系。In the field of the phytoremediation of copper pollution, submerged macrophytes are focused less than the terrestrial plants. in this study, ceratophyllum demersum l. and cahomba caroliniana a. gray were used as the test plant. the following two aspects were investigated in vivo methods : 1 ) the toxicity effects of cu2 + on the three main antioxidant enzymes ( including cat, pod and sod ) of two submerged macrophytes were detected at different low doses and on the chronic exposure, in order to establish the dose - effect relationship and the time - effect relationship, and thereby acquire the toxicity threshold ; and 2 ) with two submerge macrophytes throng cultured individual or combined on the chronic exposure, it was found on the bcf of copper and the influence of interspecific relationships to the submerge macrophytes resistance or bioconcentration
本論文以兩種大型沉水植物金魚藻（ c . demersuml . ）和水盾草（ c . carolinianaa . ）為受試植物，從它們對水體中cu ~ （ 2 + ）的生物富集作用和動態，以及cu ~ （ 2 + ）對它們體內抗氧化酶的急性毒性效應和亞急性毒性效應兩方面進行了研究： 1 ）通過體內暴露不同劑量的cu ~ （ 2 + ） ，探討cu ~ （ 2 + ）對植物體內三種主要的抗氧化物酶（ sod ， pod ， cat ）的毒理效應，建立劑量?效應關系和時間?效應關系，以揭示沉水植物對cu ~ （ 2 + ）的抗性機制； 2 ）通過對金魚藻，水盾草單獨培養和共同培養的方式，分別研究了兩種沉水植物對cu ~ （ 2 + ）的生物富集系數及其動態以及兩種植物的種間關系對富集銅和植物耐性的影響，綜合評價了兩種植物在銅污染水體的植物修復中的應用前景。5s rdna cloning and sequencing were carried out to analyze the 5s rdna variation pattern. genomic in situ hybridization ( gish ) was performed for better understanding of genomic relationship among closely relative pines
利用克隆測序方法對松屬植物5srdna的研究無疑是有開創性的工作，可以探討裸子植物的5srdna的進化機制和種間關系。Whereas, for the natural forest consisted of native species, the niche overlap was low and the interspecies relationship was harmonious. the composition structure of community thereby was more stable
而由本地樹種組成的天然林，生態位重疊小，種間關系協調，群落組成結構的穩定性更高。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、植物群落與環境的生態關系以及濕地的退化和恢復等進行了研究。Because of the special position of the genus paeonia in angiosperms and the enormous economic value of cultivated tree peonies, it is of great importance to have a better understanding of the interspecific relationships among species in sect
由於芍藥屬在被子植物中的特殊系統位置和栽培牡丹重要的經濟價值，研究牡丹組的種間關系具有重要的理論和實踐意義。Moutan was obtained, and is basical in accordance with the tree constructed based on morphological data. the phylogenetic relationships among species in sect. moutan was discussed in detail
最重要的是，該基因樹所顯示的牡丹組種間關系與前人根據形態學證據提出的牡丹組的種間關系基本吻合，並得到其他研究證據的支持。分享友人