維管束鞘 的英文怎麼說

中文拼音 [wéiguǎnshùqiào]
維管束鞘 英文
bundle-sheath
  • : 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;...
  • : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
  • : 鞘名詞(裝刀劍的套子) sheath; scabbard
  • 管束 : 1. (約束) restrain; check; control 2. (成捆的管子) pipe bundle; pipe column
  1. In these chloroplasts carbon dioxide combines with phosphoenolpyruvate to form oxaloacetic acid, which is transported to the bundle sheath cells, where the carbon dioxide is released, then fixed by the enzyme ribulose bisphosphate carboxylase to form glycerate 3 - phosphate, the first step in the calvin cycle

    在葉肉細胞的葉綠體中二氧化碳與磷酸烯醇丙酮酸結合形成草酰乙酸,后被運到鄰近的維管束鞘細胞,在那裡二氧化碳被釋放,后被核酮糖二磷酸羧化酶固定形成3磷酸甘油酸,這是卡爾文的循環第一步。
  2. 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;根系逐漸發達;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;具有維管束鞘等等。
  3. Palisade tissue is rich in saliferous vacuoles, while vascular bundle sheath is obvious

    柵欄組織富含含鹽液泡泡,維管束鞘明顯。
  4. Examples include male and female plants in dioecious species, aerial and submerged leaves, alternation of gametophyte and sporophyte stages of a life cycle, and mesophyll and bundle - sheath chloroplasts

    例如在雌雄異株物種中的雌性植物和雄性植物,氣生的和被水浸沒的葉片,生活史中的配子體與孢子體的交替,葉肉和維管束鞘葉綠體等。
  5. It shows one sheath around the vascular bundles

    它顯示出在周圍的狀構造。
  6. It does not show sheaths around the vascular bundles

    它並沒有顯示出在周圍的狀構造。
  7. It shows two well - developed sheaths around the vascular bundles

    它顯示出兩個發育完全之維管束鞘位於周圍。
  8. Vascular bundle sheath

    維管束鞘
  9. Bundle sheath the ring of parenchymatous or sclerenchymatous tissue, usually one cell thick, that surrounds the vascular bundle in an angiosperm leaf

    維管束鞘:在被子植物葉中,圍繞的通常是一層薄壁或厚壁細胞。
  10. More anthraquinone compounds was distributed in pith ray cells and the tissues of mature stem suchas bundle sheaths in large - scale vascular bundle, primary phloem and primary xylem than that in young stem. [ conclusion ] the distribution of anthraquinone compounds in the stem was of multilocus

    結果隨著莖的不斷成熟,在莖的表皮、近表皮的1 ~ 2層皮層細胞及較內部皮層中,不同程度地增加貯藏和積累了一定數量的蒽醌類化合物,成為莖外部貯藏和積累蒽醌共化合物的主要結構部位成熱莖大型維管束鞘、初生韌皮部、初生木質部等組織和髓射線細胞分佈了比幼莖多的蒽醌類化合物。
  11. When inadequate n was added, the chloroplast structure in mesophyll cell was damaged in ear leaf, the amount of carbohydrate decreased in mestome sheath, and excessive n - redistribution and n - transportation to grain from vegetative mass appeared, which resulted in earlier leaf senescence. excessive n application led to too high activity of nitrate reductase, excessive vigorous nitrogen metabolism and too much exhaustion of carbohydrate in ear leaf, which resulted in the lack of enough carbohydrate in the lower leaf, meanwhile, the expansive chloroplast grana lamellae in leaf mesophyll cell and starch grain without nuclear in mestome sheath cell was observed, which led to the decrease of chlorophyll content and photosythetic capacity in maize leaf, then the early senescence occured

    氮肥用量不足導致穗葉葉肉細胞葉綠體結構性差,維管束鞘細胞碳水化合物累積減少,營養體氮素再分配率大而引起葉片早衰;而過量供氮則導致生長後期硝酸還原酶活性過高,氮素代謝過旺,消耗了大量碳水化合物,以致下位葉不能得到充足的碳水化合物供應而提早脫落,同時葉肉細胞葉綠體片層結構膨脹,呈「肉汁化」特徵,維管束鞘細胞澱粉粒大量消耗,無核澱粉粒出現,從而葉片葉綠素含量下降,光合能力降低而出現早衰。
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