維管系 的英文怎麼說

中文拼音 [wéiguǎn]
維管系 英文
vascular system
  • : Ⅰ動詞1 (連接) tie up; hold together; link 2 (保持; 保全) maintain; safeguard; preserve; keep ...
  • : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • 管系 : piping; solenium; solenia tubulature; solenia; line piping; pipe arrangement; piping line; system...
  1. The process of vessel element ' s promotion, formation and connection in primary xylem of antirrhinum majus, a model plant, was observed through micropolariscope and bright - field microscope

    利用偏光顯微鏡和明場顯微鏡,首次報道了模式植物金魚草幼苗初生維管系統木質部導分子的發育、形成和連接過程。
  2. The primary structures, the genesis and the structure formed of the primary vascular system and the structural change in the process of cotyledonary senescence of the seedlings of antirrhinum majus and other angiosperms were studied. the progress had been aquired in the aspects as follows

    本論文對金魚草等幾種被子植物幼苗的初生結構、幼苗發育早期初生維管系統的發生和建成后初生維管系統的結構以及子葉衰老過程中的結構變化作了較為全面的研究,在以下幾個方面取得了一定的進展: 1
  3. The vascular cambium extends to form a complete ring of meristematic tissue around the stem, the separate vascular bundles being linked by interfascicular cambium

    形成層向兩側延伸直至形成一個莖內的分生組織環,各個束被束間形成層聯在一起。
  4. According to the space - tim e maturation during the development of the vessel elements in primary vascular system : the vessel elememts of the cotyledons and the lower portion of cnz formed firstly, then downward hypocotyl - root zone, at length, the vessel elememts of the upper and middle portion of cnz and epicotyl - shoot region connected with each other, the result uphold the seedling partition model that divides seedling into cnz, hypocotyl - root region and epicotyl - shoot region

    根據金魚草幼苗初生維管系統導分子發育的時空性,即子葉和子葉節區下部導分子先形成,然後向下形成下胚軸-根區的導分子,最後子葉節區中、上部與上胚軸-苗區的導分子再發生連接,據此支持將幼苗分為子葉節區、下胚軸-根區和上胚軸-苗區的幼苗分區模型。
  5. There are many adaptive changes in the two research subjects ( artemisia. songarica schrenk. and seriphidium. santolinum ( schrenk ) polijak. ) in morphology and anatomy, such as with the increase of the daily age, the root - shoots ratio increased ; the root became stronger ; the ratio of leaf volume and leaf area increased ; the volume of epidermic cell decreased ; the cut - icle and phellem layer on the surface of root thickened. stoma caved in leaf ; epidermal hair of leaf and stem well - developed, palisde tissue developed well, the cell gap decreased ; the spongy tissue disappeared ; leaf is kinds of isolateralthat is the typical xeromorphic structure ; crystal cell and fibric cell increased ; conducting tissue and mechanical tissue developed well ; bundle sheath appeared

    實驗研究的兩種菊科( compositae )植物(準噶爾沙蒿( artemisiasongaricaschrenk )和沙漠絹蒿( seriphidiumsantolinum ( schrenk ) poljak . ) ) ,形態解剖方面的變化表現為:隨日齡增加,根長/株高比值日益增大;根逐漸發達;體積與葉面積比逐漸增大;表皮細胞體積變小;角質層增厚;根外部出現加厚的木栓層;氣孔下陷;葉、莖部的表皮毛密布,柵欄組織日益發達;而細胞間隙日漸變小;海綿組織逐漸消失;葉面結構常為典型旱生結構? ?等葉面;晶細胞及纖細胞數目增多;輸導組織、機械組織日漸發達;具有束鞘等等。
  6. Hydrophytes show certain adaptations to such habitats, notably development of aerenchyma, reduction of cuticle, root system, and mechanical and vascular tissues, and divided leaves

    水生植物表現出適應水生的特性:具有發達的通氣組織;表皮、根、機械組織、組織退化;葉片分裂;葉片、根和莖中均具有通氣道或氣腔。
  7. There are about 700 interspecific hybrids among the british vascular plant flora of about 2500 native and alien sexual species.

    在不列顛植物區的2500個本地的和歸化的有性種中,約有700個種間雜種。
  8. Tracheophyte ( tracheophyta ) any plant with a differentiated vascular system ; i. e. all plants except the liverworts, mosses, and hornworts

    植物:任何具有分化成為維管系統的植物。即除了地錢、蘚類和角苔以外的所有植物。
  9. In this paper, the basic characteristics of neilingding island ? s flora and their relationships with the neighboring floras were studied. the results show : ( 1 ) the vascular flora of neilingding island consists of 127 families, 367 genera and 551 species, of which 38 species of 25 genera and 20 families belongs to pteridophyta ; ( 2 ) the typical families of seed flora are lauraceae, rubiaceae, apocynaceae, annonaceae, euphorbiaceae, moraceae, aquifoliaceae, rutaceae, araliaceae, myrsinaceae, urticaceae, menispermaceae, araceae, palmae, etc. most of them also are the basic elements of cathaysian flora ; ( 3 ) 342 genera of seed plants in neilingding island can be classified to 13 types according to wu zheng - yi ? s " areal types of chinese genera of seed plant " ; the dominant geographical elements are pantropic genera ( 36. 05 % ), old world tropic ( 12. 54 % ), tropical asia ( 11. 60 % ), the total tropical elements made up to 84. 90 % of the total number of genera, but the typical and specialized tropical elements are scanty. most of them mainly distributes to sub - tropic or even to temperate zone ; ( 4 ) comparing the floristic composition of neilingding island with those of the neighboring regions, they is closely related to the flora of hong kong which is situated to the east of neilingding island. they all are belonged to the south china province of cathaysian kingdom

    通過對廣東內伶仃島的植物區進行全面考察、採集、鑒定和研究,結果表明: ( 1 )共有野生植物127科367屬551種,其中蕨類植物20科25屬38種,種子植物107科342屬513種, 12種為廣東新記錄; ( 2 )種子植物區的表徵科主要有:樟科、茜草科、夾竹桃科、番荔枝科、大戟科、桑科、冬青科、蕓香科、葡萄科、五加科、紫金牛科、蕁麻科、防己科、天南星科、棕櫚科等; ( 3 )屬的地理成分以泛熱帶分佈為主,其次為舊世界熱帶及東亞分佈; ( 3 )通過與鄰近地區植物區的比較,發現內伶仃島與香港植物區相似性最高,與古田、古兜山的相似性次之,而與南崑山的相似性較低,它們均屬于華夏植物區界的華南省。
  10. Leaf gap ( lacuna ) a region of parenchyma differentiated in the stem vascular cylinder immediately above a diverging leaf trace. lateral connections insure no break in the vascular system

    葉隙:葉跡從中柱分出的上方,初生柱上方出現的一些薄壁組織細胞,與莖的柱結構不同,它的側向連接保證了莖葉維管系統的連續。
  11. In gmnr, so far a total of 1030 vascular species in 536 genera of 169 families have been listed, 141families, 486 genera, 949 species ( including intermination taxa, similarity hereinafter ) of the spermatophyta, including 4 families, 4 genera, and 7 species of the gymnospermae, and 137 families, 482 genera, 942 species of the angiospermae - - - - - - the dicotyledonae 117 families, 374 genera, 755species, and the monocotyledonae 20 families, 108 genera, 187 species

    本文是對廣東省古兜山自然保護區種子植物區的組成與基本特點的研究,現知古兜山共有野生植物169科536屬1030種(蕨類植物28科50屬81種,裸子植物4科4屬7種,雙子葉植物117科374屬755種,單子葉植物20科108屬187種) ,具有部分古老孓遺種,以木本植物為主,其次為草本,藤本不多。
  12. Based on the reseaching of lycoris leaf micro - morphology characters by sem scanning, light microscope viewing and using paraffin method in the article, we try to provide the proofs of experiment and the efffective characer indexes to discuss the system and evolution of the lycoris. we find these microscope characers through reseach are as follows : the arrangement type, density and the length of stoma ; the shape and length of the epidermal cells ; the ridge of epidermis ; the transverse shape of leaf ; the number of the vascular bundle ; the style of vessel arrangement of vascular bundle in the middle vein ; the layers of palisade tissue ; the ratio of the thicken of palisade tissue to that of spongy tissue ; the angle number of the middle leaf ; the type of ventilating cavity etc. these characters are different from those of species in lycoris, meanwhile these characters are similar to those of some species in lycoris. so these characters can be used as the character indexes for differentiating species and reseaching systematic evolution of lycoris ; we can divide lycoris into two subgenus by these characteristic indexes : the species of one subgenus are l. aurea ( l " her. ) herb, chinensis traub, l. caldweuii traub, l. anhuiensis y. hsu et q. j. fan, l. longituba y. hsu et q. j. fan ; the species of another subgenu s are l. houdyshelii traub, l. albiflora koidz.,

    研究結果表明:葉表皮的氣孔排列方式、長度、長寬比,脊的明顯與否,葉表皮上的顆粒紋飾的多少、大小,葉表皮細胞長度、長寬比、垂周壁形狀,上部葉柵欄組織細胞層數、葉的束數、葉中脈導組成數目,氣腔類型,葉的脊部遠軸面的角數,葉緣的形狀等這些特徵在種間存在差異,同時,在有些種之間又有相似性;因此,這些特徵既可以作為區分種的證據,又是研究石蒜屬植物統演化的性狀指標,根據這些性狀指標,可以將石蒜屬植物大致分為兩個亞屬:一是忽地笑、中國石蒜、短蕊石蒜、安徽石蒜、長筒石蒜,二是江蘇石蒜、乳白石蒜、石蒜、玫瑰石蒜、稻草石蒜;在兩個亞屬中其中有些種如忽地笑、長筒石蒜、中國石蒜的親緣關則更近些。
  13. According to the statistics of main journals about late 50 years in our country, our phytologists pay attention to the comparative anatomy studies of the carpoplyte, such as the structure of vascular tissue, leaf and leaf epidermis, the structure and development of flower, the characteristic of seed and seed coat, the secretory tissue, some primitive carpophytes and so on

    根據近50年國內主要期刊統計,我國植物學者重點在種子植物的組織結構、葉及其表皮結構、花的結構和發育、種子及種皮特徵、分泌組織以及一些原始種子植物等方面開展了比較解剖研究,為一些植物科、屬的統分類提供了解剖學依據。
  14. In this dissertation, the author analyzed plant biodiversity in yunmengshan forest region with field survey on plant species and forest vegetation, the results show that : the vascular plants in yunmengshan forest region include 548 species ( variation ) which belong to 319 genera, 98 families, the flora geographical composition are complex, the dominant characteristics of flora are temperate zone plants which account for 55 percent, herbaceous species occupy 75 percent exclusively. evaluating the threatened hierarchy of plants in yunmengshan forest region, the results show that the number of critically endangered species is 7, endangered species isll, vulnerable species is 53, lower risk species is79, safty species 376

    本文在對雲蒙山林區的植物物種、植被進行調查的基礎上,進行植物多樣性分析,研究結果如下:雲蒙山林區共有束植物98科319屬548種和變種,地理成分復雜,包括中國全部屬的15個分佈區類型,區組成以溫帶成分為主,佔55 ;生活型譜中,草本植物種類占絕對優勢,比例為75 . 3 ;通過瀕危評價,得出雲蒙山林區植物極危種7種,瀕危種11種,漸危種53種,敏感種79種,安全種376種。
  15. The main station software functiona is complete, divide into six function modules which is parameters setup, remote collection, data enquiries, the line loss analysis, data maintenance and system management, each unction module contains some sub - function windows, achieved roundly monitoring in the power supply and power utilization system

    主站軟體功能齊全,分為參數設置、遠程採集、數據查詢、線損分析、數據護、理等六大功能模塊,每個功能模塊下面包含若干子功能窗口,全面實現供用電統監測。
  16. There are 101 species of vascular plants in the vegetations, which belong to 77 generas and 31 families

    在濕地植被的區組成中,共有植物101種,隸屬於31科77屬。
  17. Psilophyta ( whisk ferns ) in the five kingdoms classification scheme, a phylum of vascular seedless plants, the whisk ferns

    裸蕨植物門(松葉蕨) :在五界分類統中,一門不產生種子的植物,松葉蕨。
  18. Guangzhou aeon hose ltd. co. is a modern rubber hose enterprise, specialized in manufacturing steel wire braided hoses and fiber - reinforced hoses. our company is registered in furong doctorindustry garden, huadu district, guangzhou. we have developed the advanced rubber hose curing technology with plastic - molding instead of metals lead - molding

    廣州市立昂軟有限公司是一家技術密集的現代高壓膠生產企業,專業生產鋼絲編織膠列鋼絲纏繞膠列和纖增強膠列公司注冊于廣州市花都區芙蓉鎮博士工業園區。
  19. Methods to extend the migration of endothelial cells on sprouts from four directions - moving up, down, left or right - in previous models to random direction in the present model, and develop a relevant 2d discrete model to simulate the process of tumor angiogenesis and compare the simulation results with some corresponding experimental data

    方法將新生血芽尖的內皮細胞遷移方向由先前模型的上、下、左、右四個方向擴展為任意方向,建立相應的二離散模型,數值模擬實體腫瘤微脈統的生成過程,比較模擬結果與相關實驗數據的符合程度。
  20. Our results provided direct evidence that pf40 gene play a role in the tissue development, with knockout this gene the lateral buds were not visible. the plant hormones auxin and cytokinin appear to play a major role in controlling this process, therefore, the concertrition of auxin and cytokinin was measured, however, the concentration of the two hormone was variation a little in transgenic plants, but the ratio of the two was more than 5 fold in the pf40 gained function plant than that in wild type. furthermore the pf40 gene effected differentiation of the vascular bundles in different transgenic plants, results showed the pf40 could change both xylary fibers and vessel

    進一步的實驗發現pf40基因會影響植物側芽發育的早期,即pf40基因作用在側芽形成與發育的早期。對轉基因穀子的組織切片的分析還表明pf40基因引起不同形式的轉基因穀子的組織的發育的差異,轉化正義載體穀子的木質部變多,維管系統增多,而反義或干擾的轉基因穀子的木質部數量變少,木質部分化異常。從轉基因的結果可見pf40基因可以減弱植物的頂端優勢,這種作用是通過改變植物體內激素的含量實現的。
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