spacing ratio 中文意思是什麼

spacing ratio 解釋
空間比
  • spacing : n. 1. (留)間隔,間距。2. 【印刷】(詞間、行間等)調節間隔。3. 【農業】植距。
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. Ratio of the pole spacing to the bore diameter of the pole pieces

    極靴的間距與孔徑比
  2. Here the hsc of sompa is achieved through adding super - effective water reducer, fined slag and silicon fume, and decreasing the water / cement ratio. by varying the area ( spacing ) of tension bars, compressive bars, vertical links and distribution steel and embedding steel fiber and polypropylene fiber we try to improve the behaviors of reinforced high performance concrete one - way spanning slabs in bending, so that its ductility be greater than 5. with the same arrangement of steel the width of bending member is varied to observe the effect of the width / depth ratio on the ultimate compressive strain of concrete

    通過變化受拉筋含筋率和受壓筋、箍筋(鉤筋、分佈筋)含量,或摻加纖維使之成為鋼纖維高強混凝土( sfrhsc )和聚丙烯纖維高強混凝土( pfrhsc ) ,對高強混凝土雙筋截面梁、板的受彎性能進行了試驗研究,試圖改善高強混凝土受彎構件的延性,使其延性比大於5 ;並在相同配筋情況下,通過變化截面寬度,研究了高強混凝土受彎構件的寬高比對壓區混凝土極限應變的影響;並對試驗構件的裂縫發展情況進行了觀測。
  3. The thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed channel are measured by using infrared camera and then the impingement cooling heat transfer coefficients are deduced. the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : for a single row normal impingement, the impingement cooling effectiveness is enhanced with the increase of impinging reynolds number or the decrease of hole space to diameter ratio, and the best effectiveness is achieved under the jet - to - surface spacing equals to 2 ; when the jet is oblique to the confined wall, the cooling effectiveness is weaken especially under the jet - to - surface spacing ratio is greater than 2 ; for double rows normal impingement cooling, the cooling effectiveness of rear row jet is weaker than the front row under lower impinging reynolds number or bigger jet - to - surface spacing

    對于單排垂直射流,沖擊冷卻效果隨射流雷諾數的增加、孔間距與直徑比的減小而得到提高,沖擊間距比為2時換熱效果最好;沖擊孔中心線向通道封閉一側傾斜后,射流沖擊冷卻的范圍變窄,當沖擊間距比大於2時駐點區的對流換熱能力明顯降低;對于雙排沖擊射流,孔排間距與直徑比的增加使沖擊冷卻范圍變大,但在兩排孔之間區域的對流換熱系數有所下降;在較小的沖擊射流雷諾數和較大的沖擊間距比下,後排射流的沖擊換熱效果要遜於前排射流。
  4. As is well known, the effective width depends on several factors, such as the cross - section width, the height of web, the spacing of span and so on. we can conclude that width / span ratio ( overhang width / span and central width / span ) is the governing factor of the effective width

    影響箱形截面樑上翼緣有效寬度的因素很多,如上翼緣寬度、梁高、跨度以及結構體系等,通過大量計算表明寬跨比[翼緣部分寬度、箱室部分寬度與跨度的比值]是有效寬度的控制影響因素。
  5. 4. as for the design of this kind of structure mentioned above, the thesis " ana1yzed " systematica1ly the inf1uence of the over1ay of the two - - way reinforcement on its u1timate. 1oad capacity, the deciding of such important factors as the depth - - span ratio and the rib spacing etc

    針對周邊支承雙向密肋夾心樓蓋的設計,本文結合實例,較為系統地分析了兩向鋼筋重疊對樓蓋極限承載力的影響以及樓蓋高跨比、肋間距等參數的取值等問題,為該類樓蓋的設計提供參考。
  6. Based on the relationship among recovery, well spacing density and injection - to - production - well ratio given by reference [ 1 ], inte - grated with other methods such as economic evaluation and injection - production balance analysis, etc., this paper proposes a new method for determination of reasonable well spacing density and injection - to - production - well ratio in waterflooding field

    依據文獻[ 1 ]中提出的採收率與井網密度和注采井數比的關系,並結合經濟評價和注采平衡分析等方法,提出了一種新的確定水驅油田合理井網密度和合理注采井數比的方法。
  7. When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other

    得到了以下結論: 1 )樁的相互作用因子隨頻率呈周期性變化,在振動頻率比較低的情況下,樁的橫向相互作用因子也較低,當頻率趨近於零時,相互作用因子也趨近於零; 2 )樁的相互作用因子的幅值隨瑞利波入射角度的變化而變化,在= 0情況下幅值最大,且隨入射角度的增加,波動的周期明顯縮短; 3 )樁的相互作用因子的幅值隨著樁與樁間距的增加而減小,至s d = 15時,樁的相互作用因子基本趨近於0 ; 4 )在頻率比較低時,相互作用因子幅值隨樁土相對剛度比的增加而顯著增加; 5 )樁頂固接可以有效地降低群樁的橫向地震響應幅值,由瑞利波產生的群樁效應可以忽略不計; 6 )群樁中不同樁位的樁的橫向地震響應是不同的,每根樁所在的樁位對其橫向地震響應有很大的影響;刀樁數的增加並不能減小樁的橫向動力響應。
  8. Six circular concrete columns were tested under concentric loading, to investigate the confinement effect of confining reinforcement in both normal strength and high strength concrete columns. test results were analyzed and compared. practical formulas were proposed for the minimum volumetric ratio and the spacing of the stirrups

    通過對6根圓柱體混凝土柱的軸壓試驗,研究普通混凝土及高強混凝土在箍筋作用下的約束效應,並將試驗結果進行分析比較,提出了配箍率及箍筋間距實用計算公式。
  9. Furthermore, it was shown that load - displacement of pile groups and load distribution on pile top were affected by properties of soil and stiffness ratio of piles to soil, and by length, diameter, spacing, and number of piles

    在此基礎上,分析了剛性承臺條件下超大群樁基礎的荷載位移曲線變化規律以及樁頂荷載分佈規律受樁土剛度比、樁長、樁徑、樁距、樁數、土性等因素的影響規律。
  10. At the same time, the corresponding programs on the above two methods can be compiled in frotran90 respectively, which are used to analyze the influence of several factors on behaviour of barrette pile group and barrette pile group - soil - cap interaction, including collocation of pile, ratio of length to width, pile spacing, ratio of depth to equivalent diameter, ratio of modulus of pile to soil, possion ' s ratio, the finite layer, the number of piles etc. lastly a series of model tests on vertically - loaded bahaviour of single pile are made, tests results are analyzed, and the causes of tests failure are preliminarily discussed in this paper

    分析了群樁布置形式、長寬比、樁與樁之間的相對距離,樁徑比、樁土剛度比、泊松比、有限壓縮層深度以及群樁根數等因素對壁板樁群樁和壁板樁群樁?土?承臺的相互共同作用問題的影響。論文最後做了一組壁板樁和圓形樁單樁模型試驗,對試驗數據進行了分析,並對試驗中存在的問題進行了初步探討。
  11. It is shown that the proposed model can not only take the ratio of reinforcement, the material properties of reinforcement and concrete and the crack spacing into account, but also be easily incorporated in finite element programs

    該模型不僅有效地反映了配筋率、裂縫間距以及鋼筋和混凝土材料特性等因素對鋼筋混凝土開裂后性能的影響,並且很容易在現有的有限元程序中實現。
  12. The results showed that the interplanar spacing d values and relative x - ray diffraction intensity of the mixed lb films change with the ratio of ba / sa in a step - and w - shaped curve respectively, which indicates that only three kinds of longitudinal periodic structures can form in the mixed multilayer lb films of all ratios and each microstructure can be maintained in a certain ratio range. furthermore the mixed system always goes through a process of the longitudinal regularity decreasing when the ratio of ba / sa is out of the intermediate ratio range ( ba / sa : 1 / 5 ~ 1 / 1 )

    結果發現,對于sa ba混合膜,分相小而均勻,不出現單獨的衍射周期;隨比例不同,縱向面間距出現臺階效應,表明存在3類結構,其中在較大比例范圍內出現了長短鏈交錯的結構,這種結構具有高的穩定性和有序性;在ba較多的混合膜中,在脂鏈層間出現空洞結構,可以用來構造特殊的納米結構。
  13. The high oh / al ratio and large amounts of al - pillaring solution favored the basal spacing and thermal stability of al - plms

    在此基礎上,筆者對al - plms進行了摻雜和改性的研究。
  14. If the ratio of joint length divided by joint spacing is less than 10, the rock mass is likely connected

    塊體理論限於研究巖石開挖表面上的可移動塊體。
  15. Two wedge interferometers are designed that the thickness of one is higher than the other. so when the incident coherent light through the interferometers can acquire two fringe patterns which having space shift, but the incident incoherent light only result in consistent intensity signal. through a differentiating amplifier, two signals subtract which can eliminate noise of background and result in higher contrast ratio fringe signals. this method largely improves the system and the ability of detection. the spacing of line fringes is a function of incident laser wavelength, by analyzing, we can extract the wavelength of incident laser. the optical unit analyzing and results also simulated with matlab

    當背景光入射時,直接穿過干涉儀,僅發生強度的衰減,在兩個探測平面上產生幅度基本一致的灰度信號,通過差分放大器,相消為零,從而抑制了背景干擾。當激光信號入射,穿過干涉儀時受到調制,在探測平面上產生干涉條紋。通過所設計的存在平均厚度差的雙楔形干涉儀,兩路干涉條紋圖案出現相對移位:在兩個探測平面對應的位置上,一路出現亮紋,另一路出現暗紋。
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