間隙系數 的英文怎麼說

中文拼音 [jiānshǔ]
間隙系數 英文
percent break
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : 名詞1 (縫隙; 裂縫) crack; chink; crevice 2 (空閑) gap; interval 3 (漏洞; 機會) loophole; op...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 間隙 : (空隙) interval; gap; freedom; space; [機械工程] clearance; separation; stricture; clear; inter...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. There are many adaptive changes in the two research subjects ( artemisia. songarica schrenk. and seriphidium. santolinum ( schrenk ) polijak. ) in morphology and anatomy, such as with the increase of the daily age, the root - shoots ratio increased ; the root became stronger ; the ratio of leaf volume and leaf area increased ; the volume of epidermic cell decreased ; the cut - icle and phellem layer on the surface of root thickened. stoma caved in leaf ; epidermal hair of leaf and stem well - developed, palisde tissue developed well, the cell gap decreased ; the spongy tissue disappeared ; leaf is kinds of isolateralthat is the typical xeromorphic structure ; crystal cell and fibric cell increased ; conducting tissue and mechanical tissue developed well ; bundle sheath appeared

    實驗研究的兩種菊科( compositae )植物(準噶爾沙蒿( artemisiasongaricaschrenk )和沙漠絹蒿( seriphidiumsantolinum ( schrenk ) poljak . ) ) ,形態解剖方面的變化表現為:隨日齡增加,根長/株高比值日益增大;根逐漸發達;體積與葉面積比逐漸增大;表皮細胞體積變小;角質層增厚;根外部出現加厚的木栓層;氣孔下陷;葉、莖部的表皮毛密布,柵欄組織日益發達;而細胞日漸變小;海綿組織逐漸消失;葉面結構常為典型旱生結構? ?等葉面;晶細胞及纖維細胞目增多;輸導組織、機械組織日漸發達;具有維管束鞘等等。
  2. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen )等人提出的統計方法,用垂向上砂體密度的界限來推測砂體側向連通情況;根據每口井的測井解釋資料,利用克里金插值法對外進行插值,得到了一組反映儲層特徵在平面上變化的參,包括儲層厚度分佈、孔度以及滲透率,並且成圖;利用變差函法,通過球狀函模擬,確定儲層優勢滲透率方向:根據流動單元法,以儲能、容積以及凈毛厚度比三個參為依據,通過聚類分析方法進行流動單元劃分,並且按照參特徵將其分為五類,統計各砂層有利流動單元區塊。
  3. Previous researchers have always determined the sp atial distribution patterns ( sdp ) of castanopsis kawakamii with a sample - dis tance method. however, the distribution patterns may be affected by the quadrat si ze and, in the course of analysis, the density differences among the cluster plots are not considered ; therefore, differences of cluster plot size and the dispersi on degree among individuals of cluster plots can not be known. authers of this pa per have determined the spatial distribution patterns of castanopsis kawakamii population in different habitats by means of non - quadrat distance method and a nalysed the pattern intensity and grain of the sdp. the pattern intensity is defi ned with the relative density differences and the pattern grain can embody the d ispersion degree of the individuals in the plots, and the dispersion degree among the plots. the determined results are as follows. the intensities of the species range in order from strong to week : litsea mollifolia p. kawakamii i. purpure a r. cochinchinensis c. kawakamii c. carlessii d. oldphamii s. superba. the gra ins of the species queue in order from coarse to close : s. superba = litsea mollif olia r. cohinchinensis c. kawakamii = i. purpurea c. carlessii p. racemosam d. oldp hamii. these determined results tally basiclly with the results authers of this paper have got in determining the same plots by means of aggregate index access ing method. in view of this, it is held that the sdp of c. kawakamii is closely related to the habitats and biological features

    前人都是採用樣方方法對格氏栲種群量的空格局進行測定,而格局分佈有可能受樣方大小的影響,且分析過程中沒有涉及聚塊密度差的問題,因而無法掌握種群的聚塊大小差別及聚塊內個體的離散程度.本研究採用無樣方距離法,測定不同生境的格氏栲種群空格局,分析格氏栲種群格局的強度和紋理.強度以聚塊和的密度差來定義,紋理則是體現聚塊內個體的離散程度與諸聚塊的分離程度.測定結果表明,格氏栲種群格局強度從高到低排列次序為:木姜子蚊母樹冬青茜草樹格氏栲米櫧虎皮楠木荷;格局紋理從粗到細的順序是:木荷=木姜子茜草樹格氏栲=冬青米櫧蚊母樹虎皮楠.這一測定結果與作者採用聚集度指標測定相同樣地格氏栲種群空格局的結果基本相符.因此,格氏栲空格局類型及分佈與格氏栲生物學特性及生境的關密切
  4. Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy

    一般的優化方法,僅僅考慮了參對其目標函的影響,而實際情況下有些參是變化的,產品的結構參(如幾何尺寸、等) 、物理和力學參如阻尼、傳導、磨擦、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異,這種差異稱為設計變量和噪聲因素的變差。
  5. The springback angle increases with the increase of the punch round radius and clearances between the punch and the die while decreases with increase of the blank holder force, sheet thickness, friction coefficient and material hardening exponent

    回彈角隨凸模圓角半徑和凸凹模的增大而增大,隨壓邊力、板料厚度、摩擦和材料硬化指的增大而減小。
  6. In order to study the characteristic signals according to the quality of the welding with dissimilar gaps, the self - made real - time monitoring system with coaxial sensors is applied to acquire and extract coaxial signal, and then the signals are analyzed with modes analysis, subsection power analysis and wavelet analysis

    摘要為了研究不同下激光拼焊的焊縫質量及其對應的信號特徵,採用自製同軸傳感統採集提取多種下焊接時的同軸光信號,並對信號進行眾分析、分段功率譜分析和小波分析。
  7. By the reserching the relation between stellar chromospheric activity and color index, we find that stellar ages play a pivotal role for producing vaughan - preston gap of ms stars

    通過主序星的色球活動對恆星色指不同依賴關的研究,我們分析了vaughan ? preston產生的原因,分析結果顯示恆星的年齡在這一的形成中扮演了重要的角色。
  8. The system measures photosynthesis rate by using infrared co2 gas analyze method. it has two work modes : open route and close route. it can measure the leaf photosynthesis rate, transpiration rate, stomata conductance and co2 thickness in cell clearance etc parameters about plant physiology

    本文研究設計了測定光合、蒸騰速率的主從式虛擬儀器統,統採用紅外線分析法測定光合速率,設置有開路和閉路兩種測定方式,可以測量植物葉片的光合速率、蒸騰速率、氣孔導度和細胞co _ 2濃度等與植物光合作用相關的參
  9. In this paper, the measurement system of the piston ring end gap based on the computer vision is studied by using the theory of the computer vision, the theory of the image processing and the mathematics knowledge

    本論文中利用計算機視覺理論、圖像處理理論和學知識,研究了基於計算機視覺的活塞環閉口測量統。
  10. Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation

    本文對多柔盤轉子-支承統的振動現象做了以下初步探索:用質量離散化方法把原轉子統簡化;採用matlab語言編制了對傳遞矩陣法計算多柔盤轉子-支承統的臨界轉速;用matlab語言對riccati傳遞矩陣法和有限元法編制了程序計算統的不平衡響應;並針對其過臨界轉速時振動較大的現象,提出採用變控制油膜剛度和阻尼,從而使原統的在特定轉速(臨界轉速)的一段范圍內不平衡響應減小;並從被動控制與主動控制兩方面進行值模擬,取的了較好的控制效果。
  11. The heat expansion coefficient of casting nylon materials is about 10 times larger than steel, so the internal dia shrinks caused by the expansion. it will influence the connection gap of the abrasive surface

    鑄型尼材料的熱膨脹約比鋼材大10倍左右,所以軸套在運行時由於摩擦熱所造成的膨脹變形使內徑縮小,影響摩擦面的配合
  12. The friction is low and can move freely both in redial and in axial directions, and the bearing is in high precision

    產品具有摩擦低,軸向、徑向都能運動的特點,依靠滾動摩擦,實現無裝配,保證了使用精度。
  13. The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc

    在分析各國ogfc級配的基礎上,運用礦料體積法進行ogfc級配設計,用正交實驗對礦料級配進行了優化設計,運用理統計方法分析礦料級配和孔率之的關,並回歸出礦料關鍵篩孔通過率與ogfc骨架空結構關學方程,進而提出了ogfc的合理級配;通過對不同孔率典型級配混合料的性能研究,綜合力學和功能性能,得出了ogfc的合理孔率范圍:針對高速公路面層對ogfc力學性能方面的要求,本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善:通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青,摻加聚合物纖維,提高ogfc的最佳瀝青用量,進而改善了混合料的高溫性能和抗水損害性能,優化設計出能滿足高速公路路用性能,車轍動穩定度達5000次/ mm以上,動融劈裂強度比90 ,透水31ml / s ,並具有防滑降噪功能的開級配瀝青磨耗層( ogfc )混合料。
  14. Analyze item by item the position of unintact cycle, the running clearance of unintact cycle, locking - deform, datum dimension regulating, repeatly install, power voltage wave and marking running etc. at the same time, we give the calculating formula to calculating the running marking random error, and use it to calculate the system error of big diameter measure instrument - - datum dimension frame error, gyro - wheel diameter error, error caused by circumstance temperature, error caused by backing distance, angle error, delay error of data collecting circuit, lathe main shaft running error, workpiece install partial error

    對不完整圓的位置、不完整圓的轉動、鎖緊變形、基準尺調整、重復安裝、電源電壓波動、標記轉動等隨機誤差進行了逐項分析,並給出轉動標記隨機誤差的計算公式。對大直徑測量儀的統誤差?基準尺尺架誤差、滾輪直徑誤差、環境溫度引起的誤差、後退距離引起的誤差、角度誤差、據採集電路延時誤差、車床主軸回轉誤差、工件安裝偏心誤差分別進行了計算,最後對誤差進行合成。
  15. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單、多注多、單注多和多注多速調管輸出迴路的諧振頻率、阻抗實部和外觀品質因等特性參
  16. In this paper, dynamic stability of parametrically excited flexible cam - follower system on the weakly nonlinear condition is investigated by using the combination of both the method of multiple scales and the technique of fourier series expansion. the equations of approximate transition curves in the plane of the dimensionless frequency and excitation ( amplitude ) parameter that separate stable from unstable solution are derived

    隨后,本文採用多尺度法並結合fourier級展開,分析了不同的凸輪從動件運動規律和不同的凸輪的升程、停程以及回程的時分配規律下,無的周期時變凸輪統模型的穩定性,獲得了各種規律下的凸輪統的穩定區圖。
  17. The particles aggregation was simulated using particle - cluster and cluster - cluster aggregation model. several type of floes was reached and its morphological characteristics was analyzed the fractal dimension, density and porosity of floes was studied by changing sticking probabilities, sticking position, particle number, particle concentration, difrusion coefficient and motion trajectory. the parameters by which special floes growth were determined. in the study of morphology, floes of yellow river ' s loess particles was observed by tv - microscope. its morphological characteristics were obtained by image analysis. the effect of fractal dimensions by stirring time strring speed, macromolecule flocculant dosage, flocculant concentration and particle concentration was studie. its rule of change was obtained. on the basis of other studies, the flocculation kinetics and floes structure was studied

    本文應用計算機模擬技術,在二維空內採用單體凝聚和集團? ?集團凝聚兩種模型對顆粒凝聚過程進行了模擬,得到了多種形態的絮體,並對絮體進行了形態分析,通過改變粘附概率、粘附位置、顆粒量、顆粒濃度、擴散和運動路徑等模擬參,我們考察了絮體分形維、密度和孔率隨模擬條件變化的影響規律,得到了形成特定形態絮體的控制參
  18. 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長度條件下,對軸向柱塞泵中柱塞與缸孔之的特殊圓環縫的泄漏流量公式進行推導,得到了該計算公式的修正; 6
  19. The relational formula between axial gap and radial gap and relational formula with considering centrifugal thrust effect was solved

    並應用連續方程和水泵勢揚程方程式,求出了?漏量是其幾何參及泵揚程的函式。
  20. Two conclusions about suspending control system are given in this paper : 1. the single suspending system controlled by parameter self - turning control algorithm has better performance when the mass of single point suspending system, the resistance of electromagnet and the suspending gap are variable ; 2. the single suspending system controlled by global asymptotic stability control algorithm is global asymptotic stability and can restrain the stochastic noise

    通過對採用上述控制演算法的懸浮統的理論分析和模擬研究,主要得到了以下幾方面結論: 1 .當統懸浮質量、電磁鐵電阻和額定變化時,設計的參自校正控制演算法可使統的動態性能指標保持在設定的指標; 2 .設計的全局穩定控制演算法,能夠保證二級結構單點懸浮統的全局漸近穩定,且對隨機噪聲干擾有一定的抑制作用。
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