最大傾斜角 的英文怎麼說

中文拼音 [zuìqīngxiéjiǎo]
最大傾斜角 英文
allowable angle of inclination
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : 形容詞(跟平面或直線既不平行也不垂直的) oblique; slanting; skew; bevel; diagonal; askew; inclined; tilted
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  • 斜角 : [數學] [物理學] oblique angle; [機械工程] bevel angle斜角規 miter square; bevel; bevel square; sa...
  1. T7 has the greatest spinous processes angulation, whereas the upper three thoracic ertebrae hae spinous processes that project directly posteriorly

    T7的棘突,然而其上三個胸椎的棘突直接朝向後方。
  2. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為航線(等螺旋線)槽形,可以幅度改善燃燒室的冷卻性能.航線冷卻槽的槽寬尺寸較小而槽深尺寸較,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度.為了解決數控加工程序的編制問題,研究了航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的航線數控加工程序.燃燒室收斂-擴張段的母線率變化,加工難度,是航線冷卻通道加工的典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  3. Optimal design with three variables is then done to the elbow - bar mechanism of the mp1040b moulding machine by utilizing the method of punishing function for constraint problems and variational scale for unconstraint problems. the optimal target function is the maxium of gradient in one work travel for the moulding plank of the elbow - bar mechanism. the result shows that the maximal gradient of moulding plank in one motion period declines by 25. 7 after optimization, and the angular acceleration of the bottom moulding plank decreases greatly

    動力學分析中,各構件的質量和轉動慣量是通過pro / engineer軟體,先建立各個構件幾何模型而求得;然後,利用解決約束問題的罰函數法和處理無約束問題的變尺度法對mp1040b型模切機肘桿機構進行三個設計變量的優化設計,優化目標函數為肘桿機構的下模切板在一個工作行程中達到的程度;通過優化設計,模切機肘桿機構的下模切板在一個工作行程中的程度降低了25 . 7 ,其加速度明顯減小,提高了模切機動力學性能。
  4. The optimum inclination angle is between 15 ~ 20, the length of thermosyphon will not change the phase - change heat transfer coefficient of the evaporation section and the condensation, which will enlarge heat transfer area of thermosyphon and increase the heat exchange capacity. the head - on speed of wind only stranger the heat transfer of the evaporation section and the condensation section. the experiment shows that the mathematic model closely fits to the thermosyphon, moreover, the one key to resolve the thermosyphon effect lies in decreasing the thermoresistance of evaporating section and condensation section. this study can provide directions and experience in the future research

    ,熱虹吸管總熱阻越在15 20之間;充液率過多或過少都會對傳熱性能產生不利影響,對于本實驗採用的1 . 75m 、 2m 、 2 . 5m 、 3m熱虹吸管,佳充液率在20 % 35 %之間;管長對傳熱也有影響,管長不改變熱虹吸管蒸發段和冷凝段的換熱系數,只增加了熱虹吸管的換熱面積,增換熱量;迎面風速的小,起到強化熱虹吸管蒸發段和冷凝段換熱的目的。
  5. By doing single fracture drainage experiments, this paper has successfully presented the logarithm function relationship between ratio of drainage discharge through upward and plumb drainage hole and the ratio of their equivalent diameters. the drainage effect will be the best when the included angle between drainage hole and fracture surface is 21 ~ 36

    4 、通過單裂隙排水試驗,建立了孔和垂直孔的排水量之比與其交界線的等效直徑比之間的自然對數關系式,排水孔排水量基本隨其與裂隙面的交減小而增;對單組裂隙排水的初步分析表明,排水孔與裂隙面的夾在21 ~ 36范圍內排水效果佳。
  6. Lt is obvious that the decaying rule of average reverberation intensity is affected by scattering coefficient of sea floor, sound speed profile, inclination of bottom etc. the sea floor scattering function is the most importan factor to the intensity decaying rule

    結果表明:海底散射方向性指數因子、海水聲速梯度、海底等對海洋混響平均強度的衰減皆有影響。海底散射方向性指數因子對其影響,即適當選取海底散射模型是淺海近程混響建模的首要因素。
  7. Abstract : by means of the basic climatic principle and the local astronomical parameters the optimal dip angle, maximum wind pressure borne by the roof material, the depth of the cold - proof ditch and the suitable distance between the greenhouses in chengdu area are calculated

    文摘:應用氣侯學基本原理,當地天文參數與氣候資料,計算了成都地區節能日光溫室採光面,頂面覆蓋材料承受風壓,防寒溝深度及溫室間適宜距離。
  8. For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation

    數值模擬採用fluent軟體,計算結果用excel進行處理,通過對量數值工況進行數值模擬計算,結果表明:對于單側百葉風口,計算表明: 1 )對于公式p = ( ~ 2 ) 2 ,的理論計算值中定義為流體流經百葉風口內部時的速度,即有效速度,而工程上常使用流體的來流速度來計算,計算表明,的理論計算值與工程應用值的關系為( _ (理論) ) ( _ (工程) ) = 0 . 813 ; 2 )當來流速度一定時,擋板度越小,壓力損失越小、出口速度越小;因此在要求進口風速比較小的場所,如播音室、圖書館等,宜採用擋板度30的百葉風口;在要求進口風速比較的場所,如電影院、辦公室等,百葉擋板的度應選45 ; 3 )當來流速度一定時,百葉擋板的擋板寬度b與擋板間距h的比值b h越,壓力損失越,出口速度越小,計算表明,鑒于壓力損失、出口風速、板間形成渦流區的小,百葉擋板的b h值取0 . 8到2 . 0之間, b h = 1 . 2為佳值; 4 )當來流速度一定時,在計算的條件下,當百葉擋板寬度b = 40mm時,百葉擋板的阻力系數小,考慮到渦流區等的影響,建議選用10mm b 50mm的百葉擋板;西安建築科技學碩士學位論文5 )百葉擋板的厚度取為1 . sinln為好; 6 )百葉擋板的入口側可選用具有度的楔形擋板來代替矩形擋板,利用其較好的導流作用,可得到更好的出流效果。
  9. The influence of the slant on maximum stress in contact area is studied and the axial movement formula is modified. the idea of contact angle is presented to study the direct influence on the axial movement. 2

    研究了這種對接觸區壓應力的影響,對回轉窯軸向下滑計算公式進行了修正;提出了接觸的概念,分析了這種對窯體軸向運動速度的直接影響。
  10. The bigger the diameter, the high the heat efficiency, but the weak the temperature increasing ability, length has less effect on the heat efficiency, tilt angle has less effect on the flow field and temperature field while it is larger than 30 degree, vacuum degree and emissivity have great effect on the flow field and temperature field while there is a great temperature difference between the liquid in the tube and the surroundings, the furring has less effect on the heat transfer but should be cleaned up in 3 - 5 years because of poor water quality, the higher the solar flux or the more the temperature difference between the liquid and the surrounding, the more the heat loss and the lower the heat efficiency

    分析了各種因素對太陽能真空集熱管流場和溫度場的影響。直徑越,熱效率越高,但升溫能力弱;長度對熱效率影響不於30后,自然對流已經能夠充分進行,考慮以能夠吸收到太陽輻射為主;真空度和發射率對熱效率和溫度場影響很,尤其是在介質溫度與環境溫度差異比較時;水垢對傳熱影響較小但由於水質的問題應該被3 5年清洗一次;太陽輻射強度越,介質溫度與環境溫度差異越,熱損失越,效率越低; 4
  11. Single - layer model is convenient to apply but the unclear relationship between radiative and aerodynamic temperatures is still a bottleneck in this field. a new method was developed to derive reliable surface heat fluxes from radiative temperature viewed from arbitrary zenith angle. aerodynamic and radiative temperatures are connected through a so - called optimum component fraction ( ocf ) parameter - the fraction of vegetation in the field of view when the two temperatures are equivalent in oblique viewing

    該方法利用表面熱輻射方向性和顯熱通量都是源於土壤和植被溫度的貢獻這一共同點,發現在一定度的觀測下,視場中植被與土壤的比例可以較好地反映植被和土壤與氣進行湍流熱交換的貢獻率,所以稱該方法為佳組分面積比法,用佳組分面積比可以將任意度下觀測到的輻射溫度訂正為空氣動力學溫度,經過地面和遙感數據驗證表明,用該方法計算的通量精度高於普通的單層模型。
  12. Numerical results are obtained for velocity, temperature and concentration profiles, variations of both nusselt and sherwood numbers under different buoyancy ratio and inclination angles of = 15 - 90. at a given inclination angle, heat and mass transfer rates decrease with heat and mass buoyancies and the buoyancy ratio b decrease from high positive values, and then increase again with the buoyancy radio b further decreasing after the velocity and transfer rates reaching a minimum

    研究結果表明:度一定,當熱浮力與物質擴散浮力共存且二浮力之比b從較高正值變化到較高負值時,流體速度和熱質傳遞速度從高逐漸變低並出現小值,此後隨著向下浮力的增,流體向下流動且隨| b |的增而加速,熱質傳遞速率隨| b |的增而重新增
  13. In the dissertation, the response characteristics of capacitive accelerometer whose sensing and driving combs have small angles of decline for step and shock signals are deeply researched for different driving voltage configurations. the dependences of the critical time of the pulse signal and the critical step signal for the different configurations and different angles of decline are developed

    本文深入研究了梳齒小的電容式傳感器,不同驅動電容配置下受到脈沖加速度信號和階躍加速度信號作用時的響應特性,得到了在不同驅動電容配置,不同度情形下的臨界脈沖可持續時間和階躍加速度信號隨驅動電壓的變化曲線。
  14. It is proved by computer simulation that the slant 3 - axes radar can be used in target tracking in the whole air space without blind zone and beam slant. it is pointed out that the slant 3 - axes radar can reduce the maximum angle for elevation axis compared with 3 - axes perpendicular radar, then reduce the technique demand of angular velocity and acceleration of elevation axis

    通過模擬驗證了三軸雷達系統在工程上可以做到波束無和全空域跟蹤無盲區的結論,並指出此系統與正交三軸系統相比,可以減少俯仰軸的轉動,從而降低系統對俯仰軸的速度和加速度的技術要求。
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