secondary wall 中文意思是什麼

secondary wall 解釋
次級細胞壁
  • secondary : adj 1 第二(位)的,第二次的;中級的 (opp primary)。2 副(的);從屬的;附屬的;輔助的;補充的...
  • wall : n 1 墻壁;(石、磚等的)圍墻;城墻。2 (形狀、用途)像墻壁的東西,障壁;土堤,堤防。3 (礦井、容...
  1. The main characters ( the numbers of spores per ascus and the characters of ascospore wall ) at the species level whithin pertusaria is revealed by the light microscope. there are twenty - one secondary natural products examined by color reaction test and thin - layer chromatography in the text

    通過用光鏡對中國雞皮衣屬和果疣衣屬地衣的孢子研究,結果表明:孢子特徵尤其是每子囊內孢子數目、孢子排列方式及孢子壁的特徵是種水平上的重要分類依據。
  2. This large size may represent the initial size of the fiber before secondary-wall deposition or fiber desiccation upon boll opening.

    這個大小可以代表第二層殼沉積或棉桃開裂乾涸前棉纖維本來的大小。
  3. Rifled or other pipe wall corrugation may change the flow from a hetero-generous to a homogeneous regime by introducing a secondary circulation.

    在有來復線的或其它的管壁皺紋的管中,由於引起副流,可能將非均質流轉變為均質流。
  4. The cell wall has undergone secondary thickening, and is often lignified

    細胞壁多發生木質化而次生加厚。
  5. Light microscopy has also been useful in studies on the secondary wall of the cotton fiber.

    光學顯微鏡還可以用來研究棉纖維的次生層。
  6. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉曲線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  7. Occurred through giant panda s alimentary canal. the cell wall became thinner, and the rupture and loss of primary and secondary wall was observed. therefore, it showed that giant panda has the ability to digest part of components of cell wall, such as pectin and semicellulose, etc. furthermore, it is possible that giant panda can digest a little cellulose. the morphological method used in this study is a new idea for nutrition research. the ability of utilization of cell wall of bamboo by giant panda is unique in carnivore. it is adaptation to its phytophage

    Sp .筍細胞壁的利用狀況,利用石蠟切片半薄切片和超薄切片技術,通過光鏡和透射電子顯微鏡觀察,對比研究野生大熊貓食物和糞便中的松花竹筍細胞壁的形態。發現竹筍經過大熊貓的消化后,其細胞壁在形態上有明顯的變化,薄壁細胞細胞壁變薄,厚壁細胞初生壁和次生壁都有部分消失缺損或扭曲。
  8. The secondary sculpture is formed by the outgrowth of the outer tangential wall of the epidermal cell, and this kind of protuberance always occurs in the adjoining cells, which makes the laminar protuberances

    這些突起是由雌性生殖單位外蓋被表皮細胞的外壁向外突出形成,這種突出生長常常在相鄰細胞之間同時發生,因此,出現片層狀構造。
  9. I still remember a particular situation in my secondary school years where i was reading the daily newspapers in the school atrium while seated as if i was reading on a motorcycle on a low wall when i realised my vice - principal was sneaking walking towards me, catching me in this chor - lor fashion

    我還記得中學時,我正粗粗魯魯地蹺著腳,坐在學校禮堂的報紙角落讀當天的報紙,忽然驚覺副校長就站在我身邊,那麼不文雅的體態,被她逮個正著!
  10. Secondary crushing is carried out in the lower section between the rotor and the grinding wall

    在轉子和磨碎壁之間的下半部區間,給料被進一步地破碎。
  11. The results indicate that the recirculations are caused at the closed end of the main duct and near the lower wall of the main duct in the lower side duct, and the secondary recirculation in the main duct ' s cross section, which appears only near the lower side duct, is caused due to section enlargement as gas enters the main duct from the side duct, when gas enters only at the entrance of the side duct

    實驗結果表明,在只有支管進氣的情況下,在總管的封閉端和支管下游總管壁面處產生了迴流;以及氣流從支管進入總管後由于截面擴張在總管橫截面上所誘發的二次流,並且二次流現象只發生在支管下游附近的總管橫截面上。
  12. The reason of the high temperature corrosion of water wall of no. 1 boiler of weifang power plant is the coal problem and separated of primary and secondary air

    濰坊電廠造成# 1爐高溫腐蝕的原因主要是煤質問題、煤粉顆粒粗及一、二次風分離。
  13. Wall habitat - an environmental education slide pack for secondary school environmental education

    墻壁生境中學環境教育幻燈片教材套
  14. The bump height and secondary wall - impingement distance were discovered to play an important role in producing a secondary space jet, reducing the quantity of fuel stuck on the wall and forming lean mixture, and their suitable values being 1. 0 - 1. 5mm and 0 - 2. 0mm respectively

    發現bump高度及二次撞壁距離對撞壁油束形成二次空間射流、減少壁面燃油堆積以及形成稀混合氣有重要作用,且發現bump的高度和二次撞壁距離分別為1 . 0 1 . 5mm和0 2 . 0mm比較合適。
  15. The research indicated that, if the secondary combustion chamber was looked on as a controlled object, with the adjusting valve as a input, the pressure and the temperature of a selected point on the inside wall of the combustion chamber as outputs, then such controlled system would be a strongly non - linear, time varying system with number of random disturbances, which resulted in huge difficulty to build an analyzed mathematics model for the spray burning of the liquid fuel, so that classic control methods were all invalid

    研究表明,若將rbcc發動機的二次燃燒室視為一個控制對象,同時以燃燒室內壁面取定點處的壓強、溫度和調節閥的開度為輸入輸出變量,則該系統將是輸入?輸出特性非線性很強、隨機干擾嚴重的復雜時變系統。這導致建立燃油噴霧燃燒具體模型的很大困難,從而宣告了經典控制方案的失效。
  16. In this review, the present status of the molecular and physiological mechanism of the differentiation and development of cotton fiber is discussed, in which the molecular and physiological mechanism of the producing of the cell turgor, loosening of the cell wall, synthesis of the composition molecules and their incorporation into cell wall, signal of the starting of secondary wall thickening, cellulose biosynthesis, and layout of cellulose microfibril regulated by cytoskeleton are introduced in detail

    摘要本文綜述了棉纖維分化、發育的分子生理機制的研究現狀,著重討論了棉纖維細胞膨壓的產生、細胞壁的鬆弛、結構分子的合成和加入、次生壁增厚的啟始信號、纖維素的生物合成和細胞骨架系統控制纖維素沉積等機制。
  17. While slug structure is leaving from computing domain, the successive disturbance develop in downstream direction, the legs of hair - pin vortex approach the wall continuously and induce vortex structures near the wall. the evolution of this near - wall vortex structures brings the secondary transition to turbulence in the pipe flow

    隨著塞流結構流出計算域,后繼擾動向下游繼續發展,表現為發卡渦的渦腳向壁面不斷貼近,進而誘發近壁渦結構,近壁渦結構的進一步演化促使圓管流動出現二次轉捩,發展到了湍流階段。
  18. Do you remember that time when those older girls from the secondary school were laughing at us and we threw some footballs over the wall to take revenge ? one of the girls broke her nose and another one got a sprained ankle

    您對我的關懷,將永遠在我心中,不會磨滅;您那張仁慈、溫柔、和藹可親的臉孔,更時刻在我腦海中浮現。
  19. Moreover, the secondary wall - impingement distance should be properly reduced in order that the bump play a part in the formation of lean mixture with the increase of environmental pressure or density owing to both the increase of air entrainment, momentum losses and the decrease of the spray tip velocity and penetration

    而且當壓力或密度較高時,由於噴霧的空氣卷吸量及動量損失增大,貫穿速度降低及貫穿距減小,為使bump發揮作用,應適當減小二次撞壁距離。
  20. These results indicated that chemical treatments may cleavage the linkages between lignin and polysaccharides, and between monomers of lignin, which results in the decrease of compositions of lignin in primary and secondary wall of rice straw, and hence increases the degradation rate of secondary wall and degree of primary wall degradation observed under histological investigation

    上述結果表明,化學預處理通過破壞木質素與結構性多糖、木質素單體之間的連接,導致細胞壁各層的木質素組分不同程度的下降是化學預處理后稻草亞細胞結構變化的化學基礎所在。
分享友人