維狀葉 的英文怎麼說
中文拼音 [wéizhuàngyè]
維狀葉
英文
pyramidal lobe of thyroid gland-
Sponges have an irregular, asymmetrical body architecture ; there are two cell layers separated by a gelatinous mesenchyme containing amoeboid cells and skeletal spicules and fibers
海綿動物有不規則、不對稱的體制;二層細胞是由中間的凝膠狀的間葉細胞分開,內含有變形細胞(阿米巴細胞) 、骨針和纖維。South american fibrous - rooted begonias having prominent basal leaf lobes suggesting angels ' wings and racemes of coral - red flowers
南美洲的秋海棠,有纖維性根,基生葉上有突出的裂片、像天使的翅膀,總狀花序、花珊瑚紅色。The staining of the calyces are lighter than that of the pedunculus and a - lobes were deeper than p - lobes
靠近每個葉的內側,有2 3束較粗的5 - ht陽性纖維,染色較深,圍成環狀。They can simulate the temperature field of the 2 kw crosscurrent co2 laser, draw some relative function charts and display the laminas of cooling fans in three - dimensions
分別模擬2kw橫流co _ 2激光器箱體溫度場的分佈情況、繪制若干相關的函數圖象和以三維圖象顯示風機葉輪的幾何形狀。The texture can be systematically classified as the six types : the felt - like texture, the micro - fibrous cryptocrystalline texture, the micro - fibrous texture, the micro - leaf - like cryptocrystalline texture, the micro - leaf - like texture and the radiated fibrous texture
通過對青海軟玉顯微結構的觀察與研究,按其主要礦物透閃石組分的表現形式,較為系統地劃分青海軟玉的主要結構類型為:毛氈狀結構、顯微纖維隱晶質結構、顯微纖維結構、顯微葉片狀隱晶質結構、顯微葉片狀結構以及放射狀纖維結構。Mossy fiber sprouting and synapse formation in the dentate gyrus of temporal lobe epilepsy rats induced by pilocarpine
匹羅卡品誘導顳葉癲癇大鼠齒狀回苔蘚纖維出芽及突觸重建4. the studies focused on the cnz of dianthus barbatus and saponaria offlcinalis seedlings applied two different vascular cylinder types, even through they both were " " - shape exarch and diarch haplostele, their patterns of protoxylem and m
此外,在商陸科的美洲商陸的子葉節區下部發現了一種具有雙大括號狀( 「 { } 」 )的維管柱類型。1. the study of comparative anatomy on the structure of seedlings of acorus tatarinowii and zantedeschia aethiopica suggested a. tatarinowii was more primitive " x " - shape mesarch haplostele, while z aethiopica atactostele ; the actinostele of root of the former was di - to octoarch, but the latter only di - to pentarch ; the pattern of endothecial wall thickening in a. tatarinowii was characteristic of five - face thickened and contained passage cell, while z. aethiopica four - faced thickened and known as casparian strip
通過對石菖蒲和馬蹄蓮幼苗結構的比較解剖學研究,發現石菖蒲幼苗的子葉節區下部為原始的中始式二原型的「工」字形的單中柱,而馬蹄蓮為散生中柱;石菖蒲根的維管柱為2 - 8原型星狀中柱,馬蹄蓮為2 - 5原型星狀中柱。石菖蒲根的內皮層細胞壁為馬蹄形五面加厚;而馬蹄蓮為凱氏帶四面加厚。Some narcissus had air antrum and dental antrum. there were 2 - 3 layers of vascular bundles in the leaf and pedicel tissue
水仙的葉肉組織中的維管束一般呈2 - 3排狀排列,有些材料具氣腔。Diagnosis of breast phyllodes tumor by ultrasonography
乳腺葉狀腫瘤的二維及彩色多普勒超聲診斷Venation the distribution of veins ( vascular strands ) in a leaf
脈序:是葉片中各葉脈(維管束)的排列分佈狀態。Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100
論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理,對兩種測量方法存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確性;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法,建立了相應的測量系統,系統的條紋穩定可以達到。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、葉的維管束數、葉中脈導管組成數目,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系統演化的性狀指標,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、中國石蒜的親緣關系則更近些。The flow of turbine in design and off - design state was simulated by the method of numerical simulation of 3 - d viscous flow, and the flow mechanism in design and off - design state was studed
主要利用三維粘性非定常數值模擬的方法對設計狀態和高背壓條件下透平葉片內部的流動進行模擬,並分析了設計狀態和高背壓條件下非定常流動機理。The flow equations are solved using finite difference technique. using body - fitted curvilinear coordinate system treated the boundary conditions. by iteratively solving the flow governing equation and the blade equation, the design of axial flow pump impeller in the quasi - three - dimensional rotational flow can be performed according to the angular momentum distribution, the blade which was designed in the lifting method, flow channel and the blade thickness given
其次在流動無粘性、不可壓及考慮葉片厚度的條件下,依據葉輪內的流動特性,推導了葉輪內三維流動周向平均流動控制方程以及葉片方程;在貼體坐標系中,採用有限差分法求解流動方程和葉片方程;在採用升力法設計出的葉片作為初始葉片、給定葉片速度矩分佈、葉片厚度分佈和葉輪軸面流道幾何形狀條件下,迭代求解流動控制方程及葉片方程,實現了軸流泵葉輪的準三維方法設計。The warping is found in terms of the 1 - d strains via the variational - asymptotical method ( vam ) and then cross - sectional stiffness for a gpr blade with arbitrary geometry and material property can be obtained
根據1維應變,用變分漸近方法建立翹曲位移,然後可以得到具有任意幾何形狀和材料特性的玻璃鋼葉片的橫截面剛度。As the deformation caused by centrifugal force is beyond the small deformation range, the large deformation effect was also taken into account in the equation. two models are constructed, one is of shrouded blade and the other is of bladed disc. the static natural frequencies and dynamic frequencies ( under 3000rpm ) are calculated by the finite element method and cyclic symmetry technique
針對葉片的結構特點,採用適應較強的三維八節點實體單元模擬葉片,建立葉片運動微分方程;葉片?輪盤系統在高速旋轉時,受到離心力作用,使葉片發生大變形,故在方程中考慮了幾何大變形的問題;為研究葉根輪緣之間的接觸狀態,建立了考慮葉根?輪緣接觸的有限元方程,利用拉格朗日增廣演算法來求解該方程,確定葉根輪緣之間的接觸面狀態。The blade section can be designed by parent section, thereby its chordwis circulation distributions can be worked out, and then lifting surface theory is used to design the three dimension blade geometry
剖面採用母型剖面方法來設計,進而可確定槳葉弦向環量分佈,然後由升力面理論設計三維槳葉的幾何形狀。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。Although irrigation could enhance output greatly, not all farmers could sink wells because of the economy and infield scales. in the first half of the 20th century, in north china, villages had a lot of custom using and maintaining wells, such as sharing the irrigating wells or borrowing. wells for drinking could use freely, which meant anyone could get water for drink from any well and the own
灌溉雖可大幅度地提高作物產量,但灌溉井的開鑿與農戶經濟狀況及農戶所經營的耕地規模有關,並不是所有農戶都可以開鑿灌溉用井,在二十世紀上半葉華北村落中存在著眾多的關於水井的使用和維護的習慣做法,如對灌溉井的共用或借用分享友人