錐度比 的英文怎麼說

中文拼音 [zhuī]
錐度比 英文
taper ratio
  • : Ⅰ名詞1. (錐子) awl2. (似錐物) awl-shaped things 3. (錐體) cone Ⅱ動詞(鉆) drill; bore
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  1. The study is imitating subulate tool penterite armor fabric by method of test for puncture of paperboard and corrugated fiberboard, and to ascertain the laver of armor fabric for absorb energy and arrestment, and any difference angle to compare the rank of defying ball, for understanding the sharp to the rank of annor fabric defy penterite energy, and penterite deep, the lose energy relation of sharp

    摘要本研究是以沖孔強試驗機測試,模擬尖利器攻擊穿刺防彈衣,且對于防彈衣層數間的阻抗作用及能量吸收的情形,並對各種不同角的抗彈織物疊層排列作相互較,進而?解尖對防彈衣的抗穿透層數之能量及穿透深之能量耗損之間關系。
  2. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  3. Among myopic eyes, the incidence of conus formation and surface ratio of conus to disc increased as the myopic degree or the ocular axial length increased

    近視眼中,圓形成的發生率和圓和視神經盤值皆依近視程或眼軸長之增加而增加。
  4. Tighten up fluid loss if necessary with additions of drispac r / sl. excess lime should equal pf with pm 6 times greater. if shales prover non - reactive, allow lime content to deplete

    如果需要用高粘或低粘斯派克控制失水的話,過量的石灰就應當使鉆井液堿濾液堿大6倍左右。如果證實頁巖沒有反應,就允許把鉆井液中所含的石灰耗盡。
  5. The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method

    最後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的高超聲速低密風洞中,利用紅外熱圖技術獲得了半球圓柱、尖、大鈍頭三個模型表面熱流分佈,利用薄壁法技術得到了一壁厚為0 . 5mm的鈍模型表面的熱流分佈,並通過工程理論方法計算了模型表面的氣動熱,把理論計算結果與上述試驗結果較,幾者符合得較好。
  6. The error criterion is derived from rotation vector concept directly. in the coning motion environment, a class of rotation vector optimal algorithms are derived and evaluated with the rule of making sure of the minimum coning error. 3

    從旋轉矢量的概念出發,推導了演算法的精準則,在典型的高動態環境? ?運動作為輸入條件下,以使誤差最小為原則,推導了旋轉矢量各階子樣演算法及其優化演算法,並與傳統的四元數演算法進行了較; 3
  7. Conical shaft ends for cone taper ratio 1 : 10

    1 : 10錐度比的圓形軸端
  8. Collets for tool holders with taper ratio 1 : 10 - collets, holders, nuts

    錐度比為1 : 10的刀架夾頭.夾頭刀架和螺母
  9. Collets for tool holders with taper ratio 1 : 10. collets, holders, nuts

    1 : 10錐度比的刀具夾持器.夾套夾持器和螺母
  10. Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases

    本文在sheppard和gumin等人的理論基礎上,利用fourier光學成像理論,討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響,導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數,得到了它們在不同激發波長與熒光波長值時具體的表達式,並且通過數值計算,得到了它們的曲線圖,結果表明:隨著激發波長與熒光波長值的增加,焦斑的橫向分佈和縱向分佈變窄,橫向解析和縱向解析提高,系統的成像效果變好,當激發波長與熒光波長的值下降到一定程時,可以看到不同程的失現象。
  11. Analyse the technology principle of program tracking, step - in tracking, conical scan tracking and singleshot tracking, and contrast the advantage and disadvantage of them. select program tracking and conical scan tracking considering performance and cost

    二、對程序跟蹤、步進跟蹤、圓掃描跟蹤和單脈沖跟蹤這四種自動跟蹤技術的原理進行了具體的分析,並較了它們各自的優缺點,從性價的角,選擇了程序跟蹤與圓掃描跟蹤相結合的方式。
  12. The theoretical study of the recovery percent vs. water cut of thin and bottom water reservoir in luliang oilfield is based on developing its geologic and flow models, obtaining oil - thickness ratio, oil - water viscosity ratio, relative permeability curve parameter and chart of effect of bottom water toning, etc., on water - yielding pattern of the reservoir

    摘要在建立了陸梁薄層底水藏地質及滲流模型基礎上,採用理論研究的方法,研究了薄層底水油藏采出程與含水率關系式,並獲得了油厚、油水粘、相滲曲線特徵參數以及底水進等對油藏產水規律的影響關系圖版。
  13. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒的生物質顆粒的長徑進行了實驗觀察和測定,得出生物質的長徑( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫達到充分熱解溫的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉式閃速熱解反應器的最小角設計、壁強設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  14. Abstract : approximate methods for calculating aerodynamic heating rates on space shuttles are discussed. various methods are given for predicting the heating rate at axisymmetric stagnation points, general three dimensional stagnationpoints and the leading edge stagnation point of wings. numerous laminar and turbulent heating techniques for flat plates and cones are analyzed and compared. a brief review of some methods is presented to predict heating rate for winward centerline and lateral direction off the symmetry plane. the results show that the methods are simpler and can guarantee enought precision for predicting aerodynamic heating environment of space shuttles

    文摘:介紹了國內外預測航天飛機氣動加熱的工程計算方法.給出了軸對稱、非軸對稱和機翼前緣等各種外形駐點熱流密的計算,分析和較了平板、體的層流和湍流熱流密計算的各種方法,概述了航天飛機迎風面中心線和離開中心線橫向熱流密的計算.計算結果表明,本文方法用在航天飛機氣動熱環境初步設計中較簡單並且有足夠精
  15. ( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )

    研究結果表明: ( 1 )超音速霧化器的氣體流場在導液管下端形成一個倒渦流,在二維空間上呈軸對稱的雙峰分佈,負壓形成於這個倒渦流內; ( 2 )修正後的霧化氣體速公式可以滿足超音速霧化的要求; ( 3 )影響超音速霧化工藝最根本的因素有氣液質量流率( gmr )的大小、霧化氣體流量和倒渦流范圍,三個因素的值越大,對形成細粉越有利; ( 4 )在焊錫合金為zhl63a ,霧化介質微n _ 2 ,導液管突出高取h = 6 . 0mm ,霧化氣體壓力取p = 1 . 0mpa ,合金過熱取t = 167 ( t = 350 )時,所制得的粉末在有效霧化率、顆粒球形、粒及其離散三個方面綜合性能最好。
  16. The result of fluorescence show that the fluorescence intensity of the surface of the treated glass slide connect with the probe immobile ratio of oligonucleotide. the more oligonucleotide probes have been linked with active group, the stronger fluorescence intensity is. for the strongest fluorescence, the technical conditions is : treatment of 2 % aminosilane of 20 minutes, treatment of 5 % aldehyde of 24 minutes, uv crosslinking of 150mj and washing of 5 minutes at 20

    兩種檢測方法表明,當活性基團呈柱狀、分佈均勻且尺寸較大( 200nm )時,有利於寡核苷酸探針的連接,且連接探針數量多,玻片表面熒光強強,固定率高;當活性基團呈狀、分佈及尺寸不均勻( 150nm ( 300nm )時,連接的寡核苷酸探針數量少,玻片表面熒光強弱,固定率低。
  17. Its " optimum concentration of trypan blue was from 0. 005 % to 0. 01 % ( w / v ), the optimum volume was around 15ml / per petri dish ( 080mm ). lbsp medium was easy to use and can be sterilized by 121 擄 c for 30 minutes

    較研究結果表明鑒定培養基的適宜條件是:蟲藍的使用濃是0 . 005 - 0 . 01 ( w v ) ,培養基的用量為15ml皿左右,並可以採用0 . 1mpa高壓蒸汽滅菌。
  18. A series of results are achieved such as fluid field thermal field pressure field and stress field. those results show that sphere target has better heat exchange and convenient fluid structure and that cone target is easy to accepting neutron and has the convergent stress. taking into account the thermal - hydraulic and physics discipline, solid target choose sphere structure but liquid target still should further consider of material study

    計算結果表明:圓球靶型散熱快,流道設計方便;形靶易於接收中子,但結構易引起應力集中,在綜合熱工、物理兩個角,固態靶選取圓球型鎢靶較滿意,液態靶區的計算需要在材料研究的基礎上進行。
  19. In this thesis the problems relative with safe reliability of parachute recovery system of manned spacecraft are commenced, the coning motion of the systems in steady decent are studied emphatically ; in view of multibody dynamics, two different dynamic modeling principles and methods of parachute systems have been discussed, and their dynamic characteristics are analytically compared

    本文從載人飛船回收系統安全可靠性緊密相關的問題著手,重點研究了降落傘系統在穩定下降過程中的擺現象;並且從多體系統動力學的角出發,討論了物傘系統的兩種不同動力學建模理論和方法,並對它們的動力學特性進行了分析較。
  20. This work analyses the means of micro - fabrication and the facts that effecting the result of micro - fabrication nowadays, gives out a solution to reduce the gradient and improve the depth of the micro - hole

    本文通過分析影響微孔加工質量的因素,提出減小微孔和增加微孔深寬的掩模旋轉鉆孔加工方法。
分享友人