表膜孔 的英文怎麼說

中文拼音 [biǎokǒng]
表膜孔 英文
pellicular pore
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : 名詞1. [生物學] (像薄皮的組織) membrane 2. (像膜的薄皮) film; thin coating
  1. The anatomical and ultrastructural research in the cotyledon of antirrhinum majus indicated : cutin membrane and sparse epidermal trichome occurred on the surface of cotyledon. stomata protruded appreciably over the epidermis, the ratio of palisade mesophyll and spongy mesophyll was low, the previous evidence showed structural charecater of shade leaf

    通過對金魚草子葉的組織學和細胞學研究,發現其皮角質薄,具稀疏皮毛,氣略突出於皮,柵欄組織與海綿組織比例小,故具有陰性葉的結構特徵。
  2. A detailed introduction was made to the properties of the wet coated sand suitable for multi - station shell mould shooting machine ; the development of a sort of high strength coated sand with low resin content : the shaping index and wetness adjusting process : analysis and prevention of peel back defect of shells made with overturning hopper process ; test method of peel back resistance of coated sand : pinhole defect analysis of high ni ductile iron shell mould castings and application of anti - pinhole coated sand

    詳細介紹適用於吹砂式多工位殼型機的濕態覆砂性能;高強度低樹脂量覆砂的研製;濕態殼型覆砂的成形性指數與調濕工藝;翻鬥法制殼時的脫殼問題分析和解決辦法;覆砂脫殼性檢測方法;高鎳球鐵件殼型鑄造面針原因分析與抗針砂的應用。
  3. A unit of retinal illumination, equal to the amount of light that reaches the retina through 1 square millimeter of pupil area from a surface having a brightness of 1 candela per square meter

    光度視網亮度單位,相當于每平方米有一燭光亮度的面,通過一平方毫米的瞳區域,到達視網的光線數量
  4. The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages, so develop composite nf membranes that have low cost, mechanically strong and thermally / chemically - resistant, easy to cleanout and good performances is a very important task. in this paper, the preparation of inorganic - organic composite nf membranes were presented. this composite comprise a porous sio2 / al2o3 support substrate, the pore diameters of which ranging from 10 to 15 nm, this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof, the structural porosity of such pva and pa membrane ranging from 3 to 5 nm

    本論文以開發無機?有機復合納濾為出發點,首先在al _ 2o _ 3多微濾上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超濾作為無機?有機復合納濾的基;選用聚乙烯醇和聚酰胺為面功能層材料,分別探討了以羥基丁二酸和磺基水楊酸為混合交聯劑,採用浸塗法制備了聚乙烯醇sio _ 2 ? al _ 2o _ 3復合納濾;以均苯二甲酰氯、哌嗪和二胺為單體,採用界面聚合法制備了聚酰胺sio _ 2 ? al _ 2o _ 3復合納濾,並對影響性能的諸多因素進行系統研究。
  5. The ultrastructure of the merozoites of eimeria tenellawas observed and discribed. the pellicle consist of two layer membranes, the outer membrane was a continous covering enclosing the whole merozoites, while the inner pellicular complex is interrupted at the anterior and the micropore, and thicken to form the polar ring and micropore. there are 24 microtubules under the pellicle of the merozoite which originated from the polar ring, all of them are connected with the polar ring, and extend alongside the inner pellicular complex to the middle of the merozoite. the head of the merozoite consists of a conoid, an apical vesicule and polar ring. the conoid is a hollow truncated cone. the conoid and spical vesicule can stretch and contract. there are three or more rhoptry and a lot of micronemes. the nucleus has nucleolus. and two layer membranes

    利用透射電鏡對柔嫩艾美耳球蟲裂殖子的超微結構進行了觀察描述.柔嫩艾美耳球蟲裂殖子的由外和內復合體兩層組成,外連續,內復合體在頭部斷開形成極環,在其它部位斷開形成微;裂殖子的下微管24根,起始於極環,向後延伸至細胞核處;裂殖子的頭部由頂泡、錐體和極環組成,錐體和頂泡可以伸縮;柔嫩艾美耳球蟲裂殖子棒狀體3個以上,微線數量很多,二者都由電子緻密的結構組成;細胞核位於裂殖子的中後部,外被雙層,有電子緻密的核仁和染色質
  6. Examination shows that the heart of andrias davidianus have three chamers - two atria and one ventride, the atria on the left of midline, the ventricle on the right of midline, and the atria are divided into two cavities by septum interatriale. there are four valvula semilunaris in conus arteriosus, but no spiral valve in conus arteriosus. the coronary artery is made by arterica carotis externa branches

    研究結果明,中國大鯢循環系統解剖學特點為: 1 .心臟:心房心室為左右排列,兩心房前後排列,共有4對動脈弓,其中第二、三對動脈弓匯合成一條背主動脈;動脈圓錐基部與心室相接處有4個瓣,動脈圓錐內沒有螺旋瓣,動脈圓錐與腹側主動脈干之間有3個半月瓣;房間隔有穿;冠狀動脈由頸外動脈的分支匯合而成。
  7. As an advanced materials preparation technology, spray - deposition has shown remarkable superiority in producing large - sized alloys and metal matrix composites. however, the spray deposeted preforms usually contain a certain quantity of porosity. besides, the oxide films on the surface of the particles lead to week metallurgic conjunction between the particles. in order to obtain an ideal structure and performance, the porous preforms need further densifying and plastical forming. in this paper, a new technology named wedge pressing was used to densify spray - deposeted 5a06 aluminium alloy, in which the large deformation can be obtained through the sum - up of local deformation and multi - step small deformation. this method can also solved the problems in traditional processing and greatly decreased the producing cost. what ’ s more, the reserch on the wedge pressing desification rules about the large - sized spray deposeted preforms was significant it was vital not only to the further densification of the prefoums but also to the further research on plastical deforming the research was also benefit to the industrialization an the application of the spray deposeted porous materials

    坩堝移動式噴射沉積技術作為一種先進的材料制備新技術,在制備大尺寸合金及金屬基復合材料方面具有顯著的優越性。然而噴射沉積坯件特別是大型坯件通常存在一定量的隙,顆粒面存在一定量的氧化,顆粒之間未能完全達到良好的冶金結合狀態,因此需要進行后續緻密化和塑性變形才能獲得理想的組織和性能。本文採用一種新型的楔形壓制工藝,即通過局部變形、多道次小變形累積實現大變形的緻密化加工方法,對噴射沉積多坯料進行后續緻密化和塑性變形,很好地解決了傳統加工工藝的難題,大大降低了生產成本。
  8. Results show that the influence of mainstream reynolds numbers on heat transfer coefficience is little and the heat transfer coefficience raise with the increase of reynolds numbers. the influence of the position of holes on heat transfer coefficience is complex and correlate with the mainstream speed and the balde surface curvature. and the influence of blowing ratio on heat transfer coefficience is more great ( especially to stator ), and show a complex relation to mainstream reynolds number and the position of holes

    實驗結果明,不同位出流的換熱由於排下游面來流速度及葉片面曲率的不同而有不同的規律,而主流雷諾數對葉片面特別是壓力面和前緣區域的換熱系數比的影響較小,吹風比對換熱系數影響較大(特別是導葉) ,並且隨氣位置和來流雷諾數的變化而情況復雜。
  9. ( 2 ) on the leading edge, the film cooling effectiveness at the zone immediately downstream of the cooling holes is affected by blowing ratio and mainstream reynolds number, while the effects are not important in the downstream zone far from the cooling holes. ( 3 ) on the front half of pressure surface, the effectiveness increases with decreasing blowing ratio at the downstream near the cooling row and it is contrary at the downstream far from the cooling row. ( 4 ) on the rear pare of the pressure surface, the effectiveness decreases with increasing blowing ratio and does not vary so much downstream in the cases of higher blowing ratio

    研究結果明葉片吸力面端壁附近區域壓力系數分佈呈現出較強的三維特性,動葉吸力面尤其明顯;氣流量系數隨吹風比的增加而增大,在高吹風比情況下,流量系數逐漸趨于常數;在不同型面區域,冷卻效率分佈有較大的差異,而且吹風比與主流雷諾數的影響程度也不盡相同;低吹風比下,出口下游附近可以得到較好的冷卻,中、高吹風比下,冷氣射流在加速流動主流的作用下返回壁面進行二次冷卻,下游較遠區域可以得到較好的冷氣覆蓋。
  10. With combining optimization method, an optimal model of determining synthetic surface roughness coefficient in film hole irrigation was developed

    實例計算與方法驗證明,該方法能夠簡單而有效地確定灌溉田面綜合糙率系數。
  11. Research of infrared spectrum and dsc curve indicate that there is no chemical bond between fe3o4 and pvdf. fe3o4 particles exist in the form of metal oxide particles. however, there is some force between fe3o4 and fluorine atom

    紅外光譜和差示掃描量熱分析結果則明, fe3o4與pvdf基間無化學鍵,是以純金屬氧化物晶粒存在於中和面,但其與f原子間有一定的作用力。
  12. The grafted membranes were capable of rejecting an anionic dyestuff. in common with other polyelectrolytes, the conformation of grafted ampsa polymeric chains is sensitive to environmental factors such as ph and ionic strength ( i )

    聚丙烯酰胺基甲基丙磺酸為高分子電解質,接枝在面后高分子鏈與溶質分子相互作用,可使接枝鏈構象發生變化,從而改變徑的大小,使具有環境響應。
  13. Above all, the surface of the gas turbine blade including stator and rotor heat transfer coeficience with no film cooling hole was studied with the main stream reynolds number of 150000, 200000 50000, 300000, 350000, 400000. then, the heat transfer coefficience when all cooling holes opened and only one cooling hole opened was studied partly. and it ' s studied how the mainstream reynolds number, blowing ratio and the position of holes affect the heat transfer coefficience of the surface of blade

    對導葉和動葉,都是先研究了在150000 , 200000 , 250000 , 300000 , 350000 , 400000雷諾數下,沒有氣冷卻時的面換熱系數分佈,然後研究了氣全打開和只打開單排時的面換熱系數分佈曲線,重點研究來流雷諾數,吹風比和不同位出流對換熱系數分佈的影響規律。
  14. Compared with host film, thickness and porosity of composite film change not much, while average and maximum pore size decrease, and pore size distribution range become narrow. further more, controlling reaction time can control the content of in - situ transforming fe3o4

    結果明,採用相滲透原位化學轉化法合成制備的fe3o4 / pvdf復合,其厚、隙率與原來的pvdf基體相比變化不大,平均徑、最大徑則有明顯減小,徑分佈范圍變窄,徑更趨于均勻,形態更為規整。
  15. This is due to three reasons : ( 1 ) sio2 influenced the phase behavior of suspensions, shifted the bimodal to lower nonsolvltil concentrations, so that it changed the skin characteristics and pore structure. ( 2 ) there was a kind of interfaeial micro - void ( this is the spaces between the phase of polymer matrix and distributive sio2 particles or ca phase ) existing in the membrane. this enhanced interconnectivity of the membrane pores

    原因在於: sio _ 2影響鑄液的分相條件,繼而影響皮成性和結構; sio _ 2在基質中的存在,使平板變為多相結構,相與相之間的界面空隙形成了界面微,增加了的連通性: sio _ 2面有許多si - oh基團,增加了的親水性。
  16. 4. the films with controllable pore size were achieved by adding different surfactant in poss sol - gel

    詳細討論了面活性劑的種類和濃度對薄徑大小分佈和介電常數的影響。
  17. The microstructure and conductive property of the two kind of iii 2002. 6 nanofilms were studied by spm. for the multihole network film, the current in the hole was small. it is possibly because the grains in the holes was very isolated, so the electrons in the holes had more resistance

    對于多tio2薄,相應的電流像外平坦區域通過較大的電流,內電流較小,這可能是由於內顆粒比較孤立,電子在傳輸過程中受到較大的阻力。
  18. By using atomic force microscopy ( afm ) investigation on the membrane surface, different separation properties can be explained very well according to the data of pore size. increasing temperature or nmmo concentration of coagulation bath or decreasing concentration of casting solution leads to larger skin pore size, wider pore size distribution and higher values of the roughness parameters

    用原子力顯微鏡( afm )對面形態的分析明:徑隨著鑄液濃度的降低、凝固浴溫度和濃度的升高而逐漸變大,且徑分佈變寬。
  19. In the chromatographic assays, the factors adjusted can also accelerate the transfer rate of the migrating components through the membrane pores, the surface of which is usually coated with an inert protein ( e. g., bovine serum albumin and casein ) to minimize undesirable nonspecific binding

    在免疫層析檢測中,調整過的因素可能還會提高流動組分通過的流動速度,在面一般都鋪有惰性蛋白(如牛血清蛋白和酪蛋白)用來減少不想要的非特異性結合。
  20. Film cooling of the surface of a gas turbine blade was studied in a large - scale low - speed opening wind tunnel according to actual requirement of the design of aero - engine. the surface of a gas turbine blade was cooled by cylindrical holes in the experiment, with the hole number of fifteen in stator and eight in rotor

    應航空發動機設計的要求,在大尺寸低速葉柵傳熱風洞中分別對發動機渦輪導向葉片和動葉面的氣冷卻特性進行了研究,具體研究在不同氣出流時,在不同主流雷諾數和吹風比情況下葉片面局部換熱系數的分佈規律。
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