長圓孔 的英文怎麼說

中文拼音 [zhǎngyuánkǒng]
長圓孔 英文
oblong hole
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  1. In this paper the floral ontogeny and the ovary development of rivina humilis l. were observed. the results showed that ( 1 ) the tepal primordia initiated in 2 / 5 spirals. the abaxial one initiated first, then the adaxial one, finally the lateral two initiated nearly simultaneously. the third one initiated on the position near the first tepal, and there is a gap between itself and the second tepal. ( 2 ) the 4 stamineal primordia initiated in one whorl at the same time. ( 3 ) the carpellary primordium initiated from the abaxial side of flower primordium ; the carpellary primordium grew upwards and towards axis after it was formed, therefore an elliptic orifice was formed at the adaxial position of ovary, which was the remainder of the mouth of ovary before the ovary was fused completely. with the ovary maturing, the orifice was narrowed because of the ovary growth, at last fused completely. the gynoecium is composed of a single carpel. ( 4 ) in the series developmental sections of ovary, the ovular primordium was initiated on the adaxial meristem when the mouth of ovary was formed

    對數珠珊瑚的花器官發生和子房的發育過程進行了觀察.結果表明: ( 1 )數珠珊瑚花被呈2 / 5螺旋狀發生,遠軸側的1枚先發生,其次為近軸側的1枚發生,最後側方的2枚花被幾乎同時發生,第3枚花被在靠近第1枚的位置發生,第2枚和第3枚之間有1個空隙; ( 2 ) 4枚雄蕊是同時發生的; ( 3 )心皮發生於分生組織的遠軸側,心皮原基形成后,向上向軸生,在子房成熟前在近軸側非正中位形成1個,該為心皮最終愈合前的殘跡,到子房成熟時,因子房的生被擠壓縮小,在進一步的生過程中愈合.子房由1枚心皮構成; ( 4 )從子房發育過程的切片看,該植物的胚珠是在子房發生后不久發生的,子房上的形成時,從近軸側的分生組織發生胚珠原基,由胚珠原基分化出珠被與珠心
  2. Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied

    在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理,從影響旋噴樁復合地基豎向承載力的因素入手,基於擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁及樁位設計等各種計算參數的深入分析和研究,提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析,深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定,並提出相應的設計方法和修正參數;此外,結合工程應用,對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。
  3. The aim of this work is to have a better understanding of the structure, differentiation and phylogenetic relationship of the tribe hyoscyameae in the solanaceae using evidence from leaf epidermis, seed morphology, palynology, embryology, floral organogenesis, trnl - f and its sequences, and plant geography. the results are summarized as follows : 1. leaf epidermis leaf epidermis of 21 species in seven genera of the tribe hyoscyameae and four species in four related genera was investigated under both light microscope ( lm ) and scanning electron microscope ( sem )

    解剖學在光學顯微鏡和掃描電鏡下,觀察了茄科天仙子族( hyoscyameae ) 7屬21種及鄰近4屬4種共25種植物的葉表皮特徵,結果表明:氣器在各種植物的上、下的表皮均有分佈,多為無規則型,也有不等細胞型;葉表皮細胞形狀有不規則形、十字形、近形和不規則多邊形,垂周壁較平直或各種波狀。
  4. Aggregate fruit spicate, 10 cm long, stipe 2 cm long ; follicles ellipsoid or ovoid, 1. 2 - 1. 5 cm long, apex with short and curved tip, outside inconspicuously sparsely lenticeled

    聚合果穗狀,約10厘米,柄約2厘米; ? ?形或卵形,1 . 2 - 1 . 5厘米,頂端具短而彎的尖頭,表面具不顯著的稀疏皮
  5. Simulation results show that better atomization can be realized by enhancing the cavitation intensity via increasing the injection pressure difference or decreasing the nozzle inlet round angle - radius ratio

    通過模擬計算可知,提高噴射壓差和減小噴入口角半徑都可以提高空穴強度,同時也發現提高噴徑比可以使空穴在噴出口截面上分佈更為均勻。
  6. Based on this model, the effects of geometric and structural parameters, such as injection pressure, rear pressure, length - diameter ratio, inlet round angle - radius ratio and non - axis symmetry of nozzle, on the distribution of the cavitation inside the nozzle are analyzed

    基於這一模型進一步分析了噴射壓力、背壓和噴徑比、噴入口角比、非軸對稱噴等幾何結構參數對噴內空穴分佈的影響。
  7. The aim of this study is to explore the concentrating effects of both the electric current density and the stresses in the plate due to the existence of the elliptic hole

    其研究重心是定量計算橢對電流密度以及板內應力分佈在橢軸端點處的集中效應。
  8. The production and quality of golden lake brand rotory printing nickel screens are strictly controled in order to form perfect meshes, constant penetration to size, high toughness and long life of operation

    本廠生產的金湖牌筒印花鎳網在嚴格的生產和質量控制下,網精密完美,漿料滲透性能一致,網質韌性強,可期操作。
  9. The research result indicated : for the strip primary mirror discussed in this article, the hexagon light - weighted cell has the best structural rigidity quality, the square cell is a little worse, the triangle cell is the worst ; there is an optimum on primary mirror thickness ; on condition of 1g gravity load combining with 4 centigrade uniform temperature rising, the thinner and higher of the flexible support reed, the better of the primary mirror surface figure. the decision of the structural parameters of the flexible support reed must take static rigidity, dynamic rigidity, static strength and dynamic strength of primary mirror assembly into account

    研究結果表明:對于本文的形主鏡,採用正六邊形輕量化,鏡體結構剛性品質最好,正方形次之,正三角形最差;主鏡鏡體厚度存在最佳值;主鏡組件在1g重力、均勻溫升4共同作用的工況下,主鏡柔性支撐簧片厚度越小、高度越高,主鏡綜合面形誤差( p - v值)越小,但同時主鏡組件的剛體位移增大、固有頻率下降,因此柔性支承結構參數的確定要綜合考慮主鏡的綜合面形誤差和主鏡組件靜態剛度、動態剛度、靜態強度和動態強度等因素。
  10. Mignon, a very tall, very broad fellow, with the square - shaped head of a strong man at a fair, was forcing a passage through the midst of the groups and dragging on his arm the banker steiner, an exceedingly small man with a corporation already in evidence and a round face framed in a setting of beard which was already growing gray

    米尼翁是一個身材高大寬肩的漢子,著一個江湖藝人的方形腦袋,他從人群中擠出來,挽著銀行家斯泰內的胳膊斯泰內身材矮小,大腹便便,面的,下頷和兩頰上著一圈灰白絡腮鬍子。
  11. Model xjq has following features : ( 1 ) dummy bottom is adopted, making the recycling capacity of the recycling cylinder is 2. 5times of the tand. ( 2 ) the stator is a cylinder in structure with its inner wall being vertically ribbed, and slots are placed, leading to better cutting lffect to the slurry. ( 3 ) due to low immerging depth of the rotator, low rurning speed of the impeller, and wide space between the impeller and stator, wearing is low and power consumption greatly reduced. ( 4 ) it is spontaneously aerated

    Xjq型浮選機為仿維姆科型,該機主要有以下幾個特點: ( 1 )採用了假底,循環簡可使循環量達到槽容積的2 . 5倍; ( 2 )定子結構為筒型,內壁設有立筋條和,對礦漿的前切作用好; ( 3 )轉子浸沒深度淺,葉輪轉速低,葉輪和定子間隙大,所以其磨損輕,動力消耗大大減少; ( 4 )可自吸空氣。
  12. Slots with round end and slots with square end plate screens

    長圓孔篩板
  13. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發,對具有誘人應用前景的柱形垂直腔面發射結構( vcsel )的微腔半導體激光器( mcsl )進行了理論分析,建立了用於分析方柱形和柱形結構具有氧化徑層的激光器的模式特性的理論模型;對柱形結構情況進行了數值模擬,得到了振蕩波、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化徑層厚度、位置和氧化物折射率的詳細變化規律;為使理論計算更接近實際,將外加金屬包殼視為非理想導體,或將金屬包殼與激光器結構隔開,分別對這兩種情況下的結果進行了討論。
  14. The derivation of the leakage flow rate formula of the special annular clearance between the piston and cylinder under condition of variable viscosity in the axial piston pumps was carried out. at same time, considering the questions of the eccentricity and the variable sealing length of piston friction pair, the modified coefficient of the calculation formula of the flow - rate of the leakage was given

    在變粘度、柱塞偏心以及變密封度條件下,對軸向柱塞泵中柱塞與缸之間的特殊環縫隙的泄漏流量公式進行推導,得到了該計算公式的修正系數; 6
  15. The regular script sharp gauze production factory attendance “ township of the chinese silk screen ”, this factory manager the time is engaged in the gauze and silk screen ' s production and the sale, my factory product specification is complete, quality excellent, including : the stainless steel mesh, the ectrowelding net, the heavy hexagonal network, the ore strainer, the metal net, the round hole net, the security net, the copper screen, the steel plate lattice - work, the ginning network, the safety net, cancel the flowered net, the extra wide net, the window screening, the guard rail net, the road guard rail, the railroad guard rail, the airport guard rail, the factory railing, the garden guard rail, the black cloth and silk, to breed the cage to have, the plastic even net, the galvanization silk and so on each kind of silk screen, widely uses in professions and so on petroleum, chemical industry, building, spinning and weaving, medicine, aviation, astronautics

    楷銳金屬絲網製品廠地處「中國絲網之鄉」 ,本廠期從事金屬絲網及絲網的生產和銷售,我廠產品規格齊全,質量精良,主要有:不銹鋼網、電焊網、重型六角網、礦篩網、金屬網片、網、防盜網、銅網、鋼板網、軋花網、安全網、勾花網、寬幅網、窗紗、護欄網、公路護欄、鐵路護欄、機場護欄、工廠圍欄、花園護欄、黑絲布、養殖籠具、塑料平網、鍍鋅絲等各種絲網,廣泛用於石油、化工、建築、紡織、醫藥、航空、航天等行業。
  16. Perforated plate with round and elongated apertures

    篩片
  17. Primitively, the taylor tape is shaped when the polymer solution conies out from the sprinkler, then the taylor tape is elongated with the spray of instabilities, and the jets form solidified nanofibers gradually

    高聚物溶液從噴射流出首先要生成幾ylor錐,然後r幾ylor錐伸,並伴隨著射流的不穩定運動,接著射流開始向固化纖維轉化。
  18. Owing to the cylindrical surface of piston and jar hole, radial piston pump can be assembled accurately. compared with the axial piston pump, the radial piston pump is better against impact, moreover, it has longer life, higher cubage efficiency and higher control precision

    由於徑向柱塞泵具有柱塞與缸體內均為柱面,易達到高精度的配合等結構特點,因此,比軸向柱塞泵耐沖擊、壽命、容積效率高、控制精度高。
  19. Severe protests from local residents living along mrt routes during the route alignment coordination caused a two - year delay to the proposed schedule for the hsingchuang line. therefore, to reduce the extent of tunneling is a key consideration in the long - term planning of mrt routes. other downsides to the single tunneling method are that it requires longer construction time, and that two break throughs from the tunnel to the work shaft involve a higher construction risk

    另因採用單潛盾隧道須鉆掘上、下行隧道,除施工時程較外,且兩次破鏡將增加施工之風險,故有鑒于潛盾機之技術日新月異,國外已有採用多形潛盾工法( mf工法)之成功案例,此除可減少用地徵收補償之困擾外,且可減少隧道開挖面積進而減少棄土所造成之問題。
  20. British breed having a long silky coat and rounded head with a short upturned muzzle

    英國品種的小? ,有絲狀的毛、頭並且鼻朝上。
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