比較形態學 的英文怎麼說

中文拼音 [jiàoxíngtàixué]
比較形態學 英文
comparative morphology
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ動詞1 (比較) compare 2 [書面語] (計較) dispute Ⅱ副詞(比較) comparatively; relatively; fair...
  • : 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
  • : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • 比較 : 1 (對比) compare; compare with; contrast; parallel (with); comparison; by comparison; in comp...
  1. 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) 。
  2. Phylogenetic relationship of the sinibrama species was reconstructed using the cladistic method and morphological characters. c. monglicus monglicus, a. lini, p. pekinensis and m. terminalis were selected as out - group. and a total of 34 morphological characters were found variable among four valid species

    用分支系統方法,重建華鯿屬魚類的系統發育關系,運用外類群法,選擇蒙古? 、大眼近紅? 、鯿和三角魴為外類群,對34個性狀進行了簡約性分析。
  3. This is so because climbing plants are likely to encounter intensive - changing environmental condition during their growth ( especially change of illumination ). secondly, there is a large proportion ( 30 - 40 % ) of climbing plants which belong to dioecism, and hence a gap between male and female plants on morphology, biological characteristic, economic value and so on. this dissertation focuses on herbaceous climbing plants, perennial or annual species such as dioecious trchosahthes kirilowii maxin and dioscorea opposita thumb, and monoecious luffa cylindrical ( l ) roem, it attempts to discover how climbing plants adapted to various environments and the mechanism of adaptation from aspects of physiological and reproductive ecologies at present, due to overuse of chlorofluorocarbons ( cfcs ), the ozonosphere has become thinner and thinner, and the ultraviolet - b ( uv - b ) radiation has increased considerably

    而攀援植物本身是一類理想的植物行為生研究材料:第一,攀緣植物由於受攀緣能力和支柱木資源的限制,在生長過程中通常要遇到強烈變化的環境條件(特別是光照) ;第二,攀緣植物中具有例的雌雄異株類型,通常佔地區攀緣植物種類的30 40左右,不同性別的植物在及生物特性、經濟價值等方面存在一定的差距,因此,本文以雌雄異株攀緣植物栝樓( trchosahtheskirilowiimaxim ) (葫蘆科多年生草質藤本植物)和山藥( dioscoreaoppositathunb ) (薯蕷科薯蕷屬植物) 、雌雄同株異花攀緣植物絲瓜[ luffacylindrical ( l ) roem ] (葫蘆科一年生攀緣草本植物)為材料,試圖從生理生及生殖生角度揭示攀援植物如何適應不同生境及其機理。
  4. In order to understand how darwin builds a long argument to persuade readers to believe his evolutionary theory is better than creationism and lamarck ' s transmutation theory, one needs to know the emergence of this revolutionarily scientific theory is not only related to geology, paleontology, comparative anatomy, morphology, and embryology but also connected with his contemporary background of religion as well as economy

    這門課擬從科史的觀點,來帶生閱讀與討論達爾文《物種源始》這本科文本,了解此一個革命性的科理論的生成,不但涉及地質、古生物解剖、胚胎等自然科,也關連到宗教、經濟等人文與社會面的諸多背景,進而認識達爾文如何在此書中建構論證與說服讀者相信他的演化論優于當時與其競爭的神創說和拉瑪克的理論。
  5. The modern morphemes and academic practices of comparative civilizations study

    文明的當代及研究實踐
  6. In this study, genetic diversity of various strains of spirulina platensis is analyzed with rapd molecular marker and antibiotics marker, the results are compared with their morphologic characters, aimed at constructing a more reasonable classification criterion and knowing more about the genetic background of spirulina. additionally, it is found that under the cultivated condition the linear filament can retransite to the normal curved one which is similar to original spiral filament

    本論文利用rapd分子標記及抗生素抗性標記分析了不同鈍頂螺旋藻品系的遺傳多性,並與其特徵進行了,以期建立更合理的螺旋藻分類方法及加深對螺旋藻遺傳背景的了解;同時,發現在養殖環境下變直藻絲體可以回變為正常螺旋的現象。
  7. Numerical taxonomy on the basis of the morphology and palynology, 11 taxa were studied using the numerical taxonomy, on which relationship between the species were discussed. the results revealed that relationship among 34 characters used by the numerical taxonomy were relatively isolated. 5. molecular systematics data obtained from rapd technique significantly shows relationship between this species

    數量分類研究在和抱粉觀察的基礎上進行了潤捕屬植物的數量分類研究,探討了各類群間的相互關系,所獲得的結論與比較形態學和抱粉研究的結論基本一致。
  8. 2 comparative study on morphology in the light of the form of the materials, hup shows more approximate relationship with gri : they are 50 ~ 70cm high at the period of fructescence ; both are perennials and reproduce themselves by root stock, and especially, hup can also reproduce itself by branch roots and buds growing from stipes when the stems fall againt the ground, and then those buds develop into new bodies ; while gri can reproduce itself not only by vegetative propagation but by seeds. both of hup and gri characterize with bigger leaf blade and with the approximate form of simple leaf, with root stock, and with two - line seeds in one fruit

    2上來看,新種hup與分佈海拔高度相近的gri接近:植株體高大,果期株高50一7ocm ;都為多年生,能以其根狀莖繁殖,但前者還以為特殊的營養體繁殖後代,即倒伏后每個莖節上長出新的根和芽,發育成獨立的新植株,後者既能以營養體繁殖,又可通過種子繁殖;具有大的葉片且單葉相近,果實內有二行種子(其它種為一行) . 。
  9. Finally, the level identification, classification of these nine endophytic fungi are studied through literature retrieving and comparison with related genus or type species, during which the characteristics of conidia and the result of physiological experiment are regarded as key words and as assist respectively. the ultimate result of these strains " classification are that one new species coniothyrium macrospora y. xiang et j. x. cui sp. nov. ( 1026 ) ; five new recorded - genus in china : papularia sphaerosperma ( pers. ex fr. )

    性狀中的分生孢子特徵為主題,以生理實驗結果為輔助,檢索文獻,與相關種和模式種進行對照,對這些內生真菌進行水平的菌種鑒定分類,其中菌株1026為一新種:大孢盾殼霉( coniothyriummacrosporay . xiangetj . x . cuisp . nov . ) , 5株為中國新記錄屬種: 1005球乳突孢[ papulariasphaerosperma ( pers . exfr . ) vonh (
  10. In the thesis, the systematic relationships of acorus together with araceae and typhales are discussed on the basis of features from micromorphology, anatomy, pollen morphology and floral development, with the aid of the data from their embryology, cytology, chemotaxonomy and molecular biology. firstly, it is found that there are many obvious differences between acorus and araceae

    本文用、解剖、孢粉及花器官發生等方法,並藉助胚胎、細胞、植物化及分子生物等方面的資料,研究了菖蒲屬( acorus )與天南星科( araceae )及香蒲目( typhales )的系統關系。
  11. In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size

    本文根據粒度圖像的特點,採用非線性對度增強處理改善顆粒顯微圖像的對度;對多種閾值分割方法進行,分析了它們的性能和用於粒度圖像的適用性,在此基礎上提出了一種基於梯度圖像的動閾值分割方法;對獲取的顆粒二值圖像進行濾波和空洞填充,設計了識別演算法去除凝聚體;對重疊不太嚴重的粘結顆粒採用了兩種基於數的分割演算法;提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和狀特徵參數,對珍珠粉等粉體粒度進行了測量。
  12. On the basis of examination of more than 2000 specimens ( including types ) from 15 herbaria worldwide, the characters features of species, phonological phase, ecoloigical habit and the relation to close species were analyzed, recorded and described, the disputed species were compared, measured and counted in detail, the quantitative analysis to different characters was done through dot - map, the variation pattern of major morphology characters was analyzed and their significance for a better delimitation of the species was evaluated

    查閱或借閱國內外17個標本館近2000份標本(包括模式標本) ,描述了每個種的性狀特徵、物候期、生習性及其與近緣種的關系,確定性狀的極性,對有爭議種的性狀進行詳細的測量和,用散點圖對個別性狀作定量研究,分析了主要外部性狀的變異式樣、變異幅度及其對劃定物種范圍的價值。
  13. In this paper, the taxonomical problems of tulipa l. from china were studied based on the results of both the field observation and the examination of herbarium specimens, and the analysis of leaf epidermis morphology, pollen morphology, seed coats micromorphology and comparative embryology. the main results are as follows : ( 1 ) tulipa l. from china is taxonomically revised. there are 16 species distrubuted in china and tulipa kuocangshanica d. y. tan, x. r. li et d. y. hong is described as new

    本文通過野外調查及憑證標本的考證,並結合葉表皮、花粉、種皮的微胚胎等方面的觀察,對國產鬱金香屬植物分類中存在的問題進行了研究,主要內容如下: ( 1 )對國產鬱金香屬植物進行了了修訂,確認了國產鬱金香屬植物共有16種,其中新種1個: tulipakuocangshanicad . y . tanx . r . lietd . y . hong 。
  14. The objective of the present paper was to investigate the genome constitution of three species of hystrix and their taxonomic status from cytological and molecular data. by rapd and issr assay, the present study was to evaluate phylogenetic relationships among hystrix, leymus and psathyrostachys, and to compare the use of two molecular markers in the genus and species of triticeae

    本研究( 1 )通過特徵、細胞和繁育資料,探討三個hystrix物種的染色體組組成及親緣關系; ( 2 )通過rapd分析和issr分析,探討hystrix與leymus 、新麥草屬psathyrostachys的屬間親緣關系; ( 3 )rapd和issr兩種dna分子標記在hystrix及近緣屬系統分類研究中的應用。
  15. The main work includes : the research and conments about some recognition methods ; the research and comments about three kind of mathematics morphologic arithmetic ; clustering ; matlab embedded in the vb ; the difference analysis in the dynamic image and so on

    主要做的工作包括幾種識別方法的研究與評述;三種數演算法的實現以及各自的優劣;利用無監督習進行聚類以及matlab在圖像處理中的嵌入;動圖像的差分分析等。
  16. By making a systematic study on botanical and morpholigical to the 6 species, a few characteristics have been summarized for identification. with the method of tissue clearing and scanning electron microscope, the characteristic of oil cell of leaves and the micromorpholocal characteristic of fruit surface were found to be quite well differentiated and to have taxonomic value. by investigating the source of fructus listeae in sichuan, guizhou and hunan province, we found that the fruits of l. mollis hemsl are the main current species

    對上述6種木姜子屬藥用植物進行了系統的研究:包括對植物、藥材性狀及顯微特徵的,總結出種間鑒別特徵;採用組織透明法對葉片中油細胞的及分佈進行研究發現, 6種植物葉片油細胞的分佈差異大,種間鑒別特徵顯著;首次採用掃描電子顯微鏡對木姜子屬植物果實的微進行研究,發現不同種的果皮紋飾具有明顯差別,從而為種間鑒別提供了微的證據。
  17. Clustering analysis showed that plants in the genus of p. salicina could be distinguished from those in the genus of p. ameniaca ; there was some genetic relationship among p. mume, p. salicina and p. ameniaca, of which p. ameniaca was closer to p. mume in genetic relationship ; and the distance between varieties of each genus was different, with the smallest being 0. 1138 and largest being 0. 7633. the genetic distance reflects genetic relationship between tested materials. the result that varieties of each genus were close to each other in genetic relationship testified the traditional morphology - based taxonomy from the genomic dna

    不同引物擴增出的帶型完全不同,聚類分析結果表明,李屬植物和杏屬植物能完全被區分開,李、杏和梅之間表現出一定的親緣關系,其中杏,梅之間的親緣關系近,各屬品種之間都有不同的遺傳距離,最小距離為0 . 1138 ,最大距離為0 . 7633 ,遺傳距離的大小反映了材料間親緣關系的遠近,各屬內品種的親緣關系近,這一聚類結果從供試材料基因組dna分子水平驗證了傳統的分類觀點。
  18. In control group, simple split - thickness skin autografts were transplanted on the rat ' s full thicknss defect wounds of dorsolumbar. 2 weeks, 3 weeks, and 4 weeks after transplantation ordinary observation and histological observation were employed. in comparison with the control group, the composite transplantation skin had no remarkable contraction and have a fine exterior

    術后2周、 3周、 4周職材作大體觀察,組織檢查,結果發現與對照組相,復合移植區痰痕增生輕,斷層自體皮與無細胞真皮基質復合移植后外觀優于單純斷層自體皮移植。
  19. The paper summarizes the research advances of orchidaceae plants in comparative morphology, cytology, biochemistry and molecular biology

    本文綜述了近幾年來蘭科植物在比較形態學、細胞、生物化和分子生物的研究進展。
  20. Such techniques include serological methods, biochemical analysis, breeding experiments, comparative morphology, cytological examination, and rna analysis, in addition to the more established procedures of comparative anatomy

    這些技術包括血清方法,生物化分析,繁育試驗,比較形態學,細胞檢測, rna分析,還有新創建的解剖程序。
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