tip high 中文意思是什麼

tip high 解釋
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  • tip : n 1 (塔、手指、尾巴等的)尖,尖端,頂端,末端,梢。2 裝在末端的東西,加固末端的金屬環[箍];鞋尖...
  • high : adj 1 高的〈指物,形容人的身高用 tall〉;高處的;高地的。2 高級的,高等的,高位的,重要的。3 高尚...
  1. High resolution protein afm imaging using a carbon nanotube tip

    針尖的蛋白質高解析度成像
  2. Tip # 1 : a front door with no peephole ? or one that ' s too high ? won ' t provide any security

    第一:一扇不裝窺視孔-或者裝的太高- -的前門一點安全作用也沒有。
  3. Sensors on the slopes of the two mountains - anak krakatoa on the southern tip of sumatra and tangkuban prahu in java - picked up an increase in volcanic activity and a buildup of gases, government volcanologist syamsul rizal said on wednesday. on tuesday, mount talang, also on sumatra, sent clouds of gas high into the air

    印尼火山學家上周三說,安放在蘇門答臘島南端的喀拉喀托火山和爪哇島上的唐庫班珀拉胡火山山坡上的傳感器檢測到這兩座火山的活動在加劇,而且氣體也在積聚。
  4. Cigarette tip and fire resistant high - density water and fire resistance

    防煙蒂和火/耐火層高密度/表面水火不侵
  5. This product is traditional baoyuan tea, produced in nannuo mountain, menghai county, xishuang banna, yunnan province, where the tree of tea king located, belongs to grandifoliate planted tea of primary ecological tea of wild ancient tree, select delicate and tender tea tip, is made through the traditional manual craft with high value of collection

    本品系傳統包圓茶,產于雲南西雙版納勐海縣茶王樹的故鄉南糯山,屬原生態野生古樹大葉種茶,經傳統製作工藝手工壓制而成,具有極強的收藏價值。
  6. In this thesis, using the shoot tip, a high efficient regeneration system of cherry was constructed, and using the domesticated shoot tip as receptor, the a. tumefaciens mediated genetic transformation system of cherry was optimized by comparing main parameters of the a. ( umefaciens mediated genetic transformation

    但其具有果小、核大、肉薄和裂果的缺點,而且是傳統育種方法很難改良的樹種之一,這促使人們想通過遺傳轉化技術改變其不良性狀。
  7. Ray allen once dunked the ball in his own hoop following the tip - off as a high school senior

    雷阿倫曾經在他高中時在一次跳球后把籃球扣進了自家籃筐。
  8. In order to predict high - strength bolts pretension and contact - friction in contact zone, status nonlinear in contact zone is adopted in fem model. the computation and analysis on the behavior of beam - to - column rigidity joints subjected to constant axial pressure on the top of column and cyclical load at tip of beam is carried out

    實體模型的建立,考慮了接觸區的狀態非線性,以模擬高強螺栓的預拉力、螺栓連接區的摩擦接觸,對承受軸力的樑柱剛性連接方式在循環荷載作用下的滯回性能進行了計算分析。
  9. The result of the calculation for tip clearance is reasonable when it is compared with theory. two ways are put forward for convention of dimension of the turbine components from high temperature to low one, which is related with tip clearance, a simple example is used to illuminate that the two ways are useful, using the method of design optimization, axiisk and a blade of a certain turhine is analysed, it showes that the method of design optimization is feasible to be used for convertion of dimension of the turbine components. finally, ansys software is used to analyzed the variation of tip clearance with the method of cyclic symmetry analysis when engine works under the conditions of temperature and rotational speed, am using a new method to deal with thermal contact resistance in the calculation

    本文完善了計算渦輪葉尖間隙的簡化演算法程序,增加了程序的計算功能,並將其應用於某高壓渦輪進行葉尖間隙分析,所得結果與理論結果進行了對比,得出修改後的程序用於葉尖間隙計算是合理的;同時提出了與葉尖間隙相關的渦輪典型部件的冷、熱態的尺寸兩種換算方法,使用優化設計的方法進行了實例分析,說明了所提出的計算方法是可行的;最後應用ansys有限元軟體利用循環對稱的方法分析了某型發動機高壓渦輪在溫度場及離心力作用下的葉尖間隙在發動機工作過程中變化情況,並分析了計算中的接觸熱阻的處理問題。
  10. Due to their high aspect ratios and small tip radii of curvature, carbon nanotubes possess marvelous electron field emission properties, viz. low turn - on voltage ( e0 ) and large emission current density ( je ), and have good potential for using as materials in electron emitters of flat panel display

    由於奈米碳管具有極高的縱橫比與極小的尖端曲率半徑,因此奈米碳管有著超乎常態的電子場發射特性,低的場發射起始電壓與大的場發射電流密度,使其為電子場發射平面顯示器的良好材料。
  11. In the pseudo - time region, high efficient lu - sgs scheme was used in time - marching. cases with uniform or non - uniform inlet stagnation pressure and with or without tip - gap flow were studied. computed results showed that complex structure vortex appeared and secondary flow occurred in the flow of cascade with tip - gap

    對進口總壓均勻或總壓周向虧損(模擬上游尾跡) 、葉尖無間隙或有間隙等三種不同情況的流場計算結果,進行對比分析發現,流場中廣泛存在流動分離、分離渦以及二次流,這是引發非定常擾動的根源。
  12. A high sweet spot, i. e. a center of percussion close to the tip of the racquet is good because it means low impact force

    甜點在這條軸線上的位置越高(離手越遠,離拍頭越近) ,就越好。
  13. Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure

    試件的整體斷裂為剪切型,但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並有一定的擴展,說明局部較高的應力三軸度也會使韌窩型機制得以發展,但是不改變試件整體的剪切型斷裂模式;對韌性斷裂的剪切模式的細觀機理做了一定的探討,並且提出了含裂紋構件剪切型斷裂的宏觀判據:認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大有效塑性應變出現的方向可以作為裂紋剪切斷裂的方向(可簡稱為_ ( pmax )準則) ,集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極限載荷;本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果,採用失效評定圖的形式,提出了傾斜裂紋的安全性評定方法的基本框架。
  14. The surface panel method has been applied to predict the hydrodynamic performance of highly skewed propeller. the surface of propeller and its trailing vortex are discreted by a number of small hyperboloidal quadrilateral panels with constant source and doublet distribution. for highly skewed propeller, the conventional method generating grid oriented along constant radii will result in a high aspect ratio and a high skewness and a twist panel near the propeller tip on blade surface, which result easily in incorrect calculation results of velovity on blade surface, even in iteration divergence and calculation failure. a “ non - conventional grid ” is developed to acoid these problems. this grid can effectively solve the problem of the calculation and convergence for highly skewed propeller. the non - linear kutta condition of equal pressure on upper and lower at the trailing edge is executed by the iterative procedure. by sample calculating, the obtained results are satisfied the experimental data

    採用面元法預報大側斜螺旋槳水動力性能,螺旋槳表面及尾渦面離散為四邊形雙曲面元,每個面元上布置等強度源匯和偶極子分佈.對于大側斜螺旋槳而言,槳葉表面採用常規的等半徑網格劃分方法在近葉梢處將導致大展弦比、大側斜和扭曲面元,這容易使槳葉表面速度的計算結果不正確,甚至會導致迭代過程發散及計算失敗.文中建立了一種「非常規網格」劃分方法,能有效地解決大側斜螺旋槳的計算和收斂問題.槳葉隨邊處通過迭代實現非線性等壓庫塔條件
  15. In the paper, we put forward the combination of micro electronic technology, mems technology and vacuum micro electronic technology to develop a micro electronic pressure sensor with overload protection. the pressure sensor consists. of elastic anode membrane, isolation layer, vacuum micro cavity and field emission catelectrode tip array with overload protection. such pressure sensor has many advantages, such as high temperature stability, radiation resistance, fast response, high sensitivity, small volume, simple secondary instruments and bulk production

    本文在重慶市科技「十五」項目的資助下,提出利用微電子技術、 mems技術和真空電子技術相結合的方法,研究一種帶過保護功能的真空微電子壓力傳感器,該壓力傳感器由帶過保護的場致發射陰極錐尖陣列、彈性陽極膜、絕緣層、真空微腔所構成,具有溫度穩定性好、抗輻射、快響應、高靈敏、體積小、二次儀表簡單、可批量生產等優點,具有廣泛的應用市場。
  16. Studies on the methods for fiber tip fabrication and tip - sample distance controlling, which are vital for high quality snom imaging, were the research focus of the first part of the theses

    對近場光學顯微鏡而言,光纖探針制備與探針-樣品間距控制是保證成像質量的兩個關鍵因素。
  17. The thermal fatigue resistance of al2o3 - 20wt. % tic is the best, it is due to high kic and pore of the material. the pore decrease the stress extension of tip of cracks and delay themal shock fatigue cracks extension. 4

    含20wt . tic的復合陶瓷具有高的k _ ( 1c )和較多的孔隙,這些空隙在熱震疲勞時降低熱震疲勞裂紋尖端的應力集中並阻礙裂紋擴展從而提高了材料的斷裂抗力,故其具有最好的抗熱疲勞性能。
  18. All this has laid a strong foundation for selecting a subject of maskless afm nanolithography, i. e., field - induced oxidation of si semiconductor. in chapter two, a high - intensity current between a probe tip and a sample is discussed first. electrical intensity between them is simulated using matlab software after an electrical model is introduced, thus theoretically analyzing the effect of tip radii, tip - sample separation, radii at the sample, and biases on the morphology of field - induced oxidation

    第二章首先討論了掃描探針與樣品之間的高密度電流,得出了電流密度與偏置電壓和探針?樣品間距密切相關,其關系不能以簡單的線性或指數函數來表述的結論;然後引進了掃描探針場致加工的電場模型,利用matlab模擬探針與樣品之間的電場強度,分析了掃描探針加工條件包括探針針尖曲率半徑、探針-樣品間距、樣品平面半徑以及偏置電壓等對場致氧化物幾何形態的影響。
  19. A simplify high pressure turbine ( hpt ) tip clearance model is analyzed with the cyclic symmetry method. research on the flow, heat and structure integration analyses is achieved in this paper. flow / heat analysis is done by fluent software, and heat / structure analysis is done by ansys software

    針對渦輪部件的結構特點,進行了適當的簡化,利用參數化設計思想建立了渦輪葉尖間隙計算模型,用循環對稱的方法分析了某型發動機高壓渦輪葉尖間隙在工作過程中變化的情況。
  20. A new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述,展現了新的先進設計體系在民用通風機上的成功運用,其研製特點是: ( 1 )在葉片氣動設計中為了降低葉根及葉尖區二次流損失,採用可控渦扭向規律設計,樣機實測的高性能驗證了這種方法的可行性和高效性; ( 2 )在設計方法中採用較精確的數值反驗算,獲取最優設計方案,大大提高設計的準確性和成功率,並縮短了設計試制周期; ( 3 )在設計過程中發展了計算機輔助三維葉片造型新方法,可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型,這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。
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