stem form 中文意思是什麼

stem form 解釋
莖型
  • stem : STEM =Scanning transmission electron microscope 掃描透射式電子顯微鏡。n 1 (草木的)莖,干,梗;...
  • form : n 1 形態;形狀;樣子,外貌;【哲學】形式 (opp content)。2 人影,物影。3 格式;表格紙 (= 〈美...
  1. The vascular cambium extends to form a complete ring of meristematic tissue around the stem, the separate vascular bundles being linked by interfascicular cambium

    維管形成層向兩側延伸直至形成一個莖內的分生組織環,各個維管束被束間形成層聯系在一起。
  2. 7 - 10 days " seedlings after the seeds germinated, the meristem in the stem apex functioned to form true leaf primordium, meanwhile, the vessel elements which differentiated from parenchymatous cells of the middle and upper portion of the cnz connected with the vessel elements from procambium of epcotyl - shoot region

    種子萌發7 - 10天,幼苗的莖端分生組織活動形成真葉雛形,此時由子葉節區中、上部薄壁細胞的轉分化形成的導管分子與上胚軸-苗區原形層形成的導管分子發生連接。
  3. Compared with the mud on wall form hole technology, clash stake technology or vibration sink pipe technology used in complex foundation stake forming, it has advantages of no vibration, no pollution, and no noise. in addition, since the concrete pressed into the drill stem sent vibration free concrete to the pump, so it is eas y to ensure the quality of the stake body. compared with the mud on wall and dry work form hole technology, the side obstruction and end obstruction of screw drill press concrete stake have all been accordingly improved, the weight bearing is better, and the transmutation of the complex foundation is less

    其中,螺旋鉆孔壓灌混凝土成樁技術自研製以來,已在多項復合地基工程中進行了應用,較好地解決了軟弱地層成孔困難的問題,適應地質條件范圍廣,成樁速度較快,工期短、工效高;與復合地基成樁時的泥漿護壁成孔工藝、振沖樁工藝或振動沉管工藝施工比較,具有無振動、無污染、無噪音的優點;另外,壓入鉆桿內的混凝土為泵送免振混凝土,因此樁體質量易於保證;與泥漿護壁和干作業成孔工藝相比,螺旋鉆孔壓灌混凝土成樁的側阻和端阻都有相應的提高,樁的承載性能較好,復合地基的變形較小。
  4. Result showed that different waterlogging depths have obvious effects on tree height, diameter at breast height, under branch height, trunk morphological structure, stem base form, and growth process

    結果表明:不同水分條件對池杉的樹高、胸徑、枝下高、干形、樹干基部形態及生長過程均產生明顯的影響。
  5. The goal of the dissertation is based on a doctrine which to find a road to break long - disturbing the chinese nation structual cultive of " self - ambition and self - contempt " double psychological conflict. with the central issue of rational resetup national self - confidence, and on the guide of historical materialism and dialectic materialism, then carry on several tentative research as following : firstly, as viewed from culture, the author reexplain the connotation and extention of national self - confidence, reveal the functional relationship between national self - confidence and culture. bring up a new opinion that national self - confidence stem form national culture, and it is a belief in national culture, it becomes rational base and inner power of national consciousness

    本文基於文化建設應肩負培育和弘揚民族精神這一任務要求,圍繞文化重建民族自信心,打破長期困擾中華民族的「自大? ?自卑」二元心理沖突結構這一中心課題,以歷史唯物主義與辯證唯物主義為指導,進行了如下幾個方面的嘗試性研究:一、從文化的角度,重新闡釋了民族自信心的內涵與外延,揭示了民族自信心與文化的功能性關系。提出民族自信心來源於一種民族文化的建構,是建立在理性基礎上的一種對民族文化的認同和信仰,它構成一個民族的民族精神的核心部位和內驅力量。
  6. Understanding this proliferative capacity during environmental change is critical, he says, as adult neural stem cells in this region may sometimes proliferate out of control to form brain tumors

    理解這種增殖能力在環境變化時是至關重要的,他說,像該區域的成熟神經幹細胞有時候可能無節制地增殖導致大腦腫瘤形成。
  7. Passed through the woods, arrives the vast field, on the field stem leaf, some lao ye already yellow, but the small leaf also is revealing the green form, looks like does not give up takes off the summer day the green attire

    穿過樹林,來到一望無際的田野,田梗上的葉子,有的老葉已經黃了,可小葉子還露著綠色的身影,好像捨不得脫去夏日的綠裝。
  8. Even here, though, stem - cell therapists talk openly of treating brain diseases such as parkinson ' s with specially grown nerve cells, so some form of partial immortalisation might be on the cards

    即使這樣,幹細胞臨床醫學家依然在公開探討用專門培養的神經細胞來治療諸如帕金森癥一類的腦疾病,這樣看來,實現某種形式的「局部永生」或許會成為可能。
  9. In addition, the pith of root and stem is flourishing for prosperous growth period and declining period, the vascular tissue storing the nutrient and providing the nourishment for the biennial plant in next year from abnormal secondary growth is developing in pith, unusual structure eg. epidermis and vice - epidermis, bubble form cell, short pipe numerators and wreath grid types leaf etc. in each organ of pugionium comutum ( l. ) gaertn. had been formed to adapt to dry environment, so the characteristics on appearance and anatomies in pugionium cornutum ( l ) gaertn. has closely of relation with its anti - drought and its adapting to desert environment

    此外,葉片旺盛生長期、衰退期根莖具發達的髓,髓內有異常次生生長形成的維管組織,貯藏養分,為沙芥次年形成二年生植株提供營養,沙芥各器官在解剖結構方面都形成了特化結構如具表皮及副表皮、泡狀細胞、短的導管分子及環柵型葉等以適應乾旱的環境,因此沙芥各器官的形態及解剖特點與其抗旱、適應沙漠環境有密切的關系。
  10. Embryonic stem ( es ) cells are the cells which can be self - renewing and form all kinds of specialized cells in body. researches on the development and differentiation of neural cells became easy by the use of es cells

    目的胚胎幹細胞( embryonicstemcell , es )是在機體發育過程中存在的具有自我增殖、更新能力,且能形成各種類型分化細胞的一類細胞。
  11. These biologic cues should influence scaffold - implanted mesenchymal stem cells ( msc ) or hone marrow stromal cells ( bmsc ) to form the necessary tissue for site - specific facial reconstruction

    這些生物刺激信號可影響植入支架內的間充質幹細胞( msc )或骨髓基質細胞( bmsc ) ,從而形成面部重建所需的組織。
  12. Stem cells can be used to regenerate damaged organs and tissue because they are the earliest form of cells

    幹細胞還可以用於被損壞的細胞和組織的再生,因為它們是細胞的最初形式。
  13. Gas cylinders. taper screw thread for valve stem and cylinder neck assembly. nominal diameter 28. 3 mm, taper 3 25, 14 tpi, whitworth form

    氣瓶.閥門堵頭和氣瓶頸口組件用錐體螺紋.公稱直徑28 . 3毫米,錐度3 25 ,每英寸螺紋齒數14 ,惠氏螺紋
  14. The blastocyst was obtain from the mouse after 3. 5 days of pregnancy, and was cultivated on the mouse embryonic flbroblast feeder layer. the blastocyst usually attach to the feeder layer after 48 hours, then the inner cell mass began to grow and form a big cell mass of embryonic stem cells. these cells can form cell clones with the conformation of embryonic stem cell

    囊胚一般在48小時后貼壁並脫去透明帶,由囊胚中的內細胞團增殖形成一個胚胎幹細胞球,待其生長至一定程度后對其進行酶解傳代,在傳代后的細胞中重新生成es集落形態的細胞集落,在集落生長至一定程度后再進行傳代,此後大約每5 ? 7天傳代一次。
  15. The characteristics and requitements of the seal of vessel stem tube shaft is introduced and structural form and actual effect of packing seal of vessel stem tube shaft is analyzed, based on comparison, test and screening of seal packing materials, two braiding forms of synthetic fiber compounded packing arc adopted and are tested in real vessels, and good sealing effect is obtained

    摘要介紹了艦船艉軸密封的特點和要求,分析了艦船艉軸填料密封的結構形式和實效,在比較、試驗和篩選密封填料材料的基礎上,採用了兩種編織形式的合成纖維復合填料,並通過實船試驗,取得了良好的密封效果。
  16. A single stem cell will divide continuously and form a spherical colony consisting of its progeny

    一個單獨的幹細胞會一直分裂最後形成一個聚集了眾多子代細胞的球形細胞群落。
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