弧距 的英文怎麼說
中文拼音 [hújù]
弧距
英文
arc distance-
No colour fade after 300 hours close distant exposure to arc lamps
以炭精弧光燈近距離照射300小時,油漆沒有褪色。Distant effect of jurassic collisions of qiangtang terrane, lasa terrane and paleo - pacific land onto the eurasian land made east qinling - dabie mountains in a compressional circumstance for a long time, and suppressed its orogenic extension ; whereas, cretaceous late - collisional extension and appearance of west pacific trench - arc - basin system relieved east qinling - dabie mountains of external compression, instantly result in violent orogenic lithosphere delamination - extension and depressurized - calefactive melting, and consequently, led to the formation of large scale early cretaceous granitoids and intermediate - acidic volcanic rocks
羌塘地體拉薩地體和西太平洋古陸在侏羅紀與歐亞大陸拼貼碰撞的遠距離效應使東秦嶺大別造山帶長期處于擠壓環境,伸展作用被抑制白堊紀的碰撞晚期伸展和西太平洋溝弧盆體系的遠距離效應使東秦嶺大別地區的外部擠壓消失,導致造山帶巖石圈迅速強烈拆沉伸展和減壓增溫熔融,從而形成大規模早白堊世花崗巖類和中酸性火山巖。Beaman stadia arc
畢門視距弧Relationship between interrupting capacity of axial magnetic field vacuum interrupters with cup type contacts and contact diameters and contact gaps
杯狀縱磁真空滅弧室開斷能力與觸頭直徑和觸頭開距的關系Experimental validation of relationship between interrupting capacity of axial magnetic field vacuum interrupters with cup type contacts and their contact diameters and contact gaps
杯狀縱磁真空滅弧室開斷能力與觸頭直徑和觸頭開距關系的試驗比對With the new - simple method, the equation of circle - arc - enveloping curve are deduced. also the relationship between the arc radius, the radius of center distribution and the distance of centers is given to avoid undercutting
文中採用新方法推導出了圓弧包絡線轉子型線方程,還給出了避免出現根切現象的圓弧半徑、圓弧圓心分佈圓半徑以及中心距三者之間的關系。In proceedings of the workshop on selected areas of cryptography, kingston, on, may 1994, pp. 120 - 128. 11 naccache d, stern j. a new public - key cryptosystem based on higher residues. in proc
在求解點圓包含判定問題時, li的方法中計算雙方均能得到距離的具體值,從而能夠推斷出對方點的大致位置信息對方點所在的一個圓弧。Specially for welding of thin and mid - thickness steel ; suitable for mag co2 welding of low carbon steel and low alloy steel inner wire feeder structure ; zx5 series thyristor dc arc welder ac arc welder with single phase moveable coil for sma mma welding ; suitable for welding low carbon steel, low alloy steel ; suitable for welding mid - thickness steel
可用於所有牌號焊條的直接手工電弧焊接引弧容易,無須用戶調節可遠距離調節焊接電流,便於焊工操作焊機動特性好,性能柔和,電弧穩定焊接熔池平靜,飛濺小,不咬邊,焊縫成形美觀。Effects of different fuel - air ratios and different geometric parameters of dual - stage swirler ( such as inner diameters of the primary swirl and secondary swirl passages, outer diameters of the secondary swirl passages, vane angle of the primary and secondary swirler, the distance of the flare exit from throat etc ) on combustion performances are studied experimentally. the experimental results show that radial profiles of the outlet gas temperature 、 combustion efficiency 、 emissions of co2 、 co and nox and lean blowout are affected with different degrees by the different geometric parameters of dual - stage swirler and the arrangement of primary holes
在不同油氣比下,不同的雙級旋流器幾何參數(例如:一級與二級旋流器出口內徑d 、葉片安裝角、二級旋流器出口外徑d 、二級旋流器的喉道到出口截面的距離l和喉道前後的圓弧半徑r以及主燃孔孔布局等)對單頭部環形燃燒室的出口溫度分佈、燃燒效率、貧油熄火油氣比以及污染物( co _ 2 、 co和nox )排放等燃燒性能的影響規律進行了研究。Through the excel program, and combining the inside and outside environment of the excavation and stress field and displace field, the data of stress and displacement of points are analyzed in variable depth and load grade and terminal state. the spss software has been applied to the statistics of geometry parameter of failure surface, and the failure surface criterion is created by the linearity regression from d ( the longest horizontal distance between the failure surface and the side face of the slope ), ho ( the depth
此外,應用spss軟體對試驗破壞滑弧的幾何參數進行統計分析,並對滑弧的最大水平深入距離d及d處至坑底的高度h _ 0結合各水理指標進行多元線性回歸,建立滑面的判據,並對此判據進行修正,且用實際工程對其進行評價,通過反算已知滑面的c 、值,表明邊界條件對破壞形式有極大的干擾作用,所直接看到的破壞類型土體不是發生整體滑移破壞,而是剝落式的潰屈破壞。Abstract : the shaped technique of the electric arc tube s shell with neck, which is used in the small power metal - halide lamp, is introduced in this paper
摘要:超小功率高強度氣體放電燈電弧管電極極間距誤差要求小,二電極對中要求高,所以採用在電弧管泡殼兩端加縮頸來定位電極。The method first find the vertex aggregate and the edge aggregate primary, then revise them after checking the radian of the palm - line between two vertices, the palm - lines ’ number between two vertices and the distance of the vertices
該演算法先初步確定無向圖的頂點集和邊集,然後通過考查頂點之間掌紋線的弧度、頂點之間掌紋線的條數和頂點之間的距離對頂點集和邊集進行了適當的修正。The wind rates of roots blower with these various kinds of three - lobe circular arc rotor are calculated and comparison between their performances is carried out. it is found that three - lobe rotor with external - internal circular arc and cycloid can produce the largest air volume. comparing the air pulsation produced by cylinder rotor and helix rotor, and proof that the structure of helix rotor can reduce the noise of roots blower
本文給出了羅茨鼓風機三種不同的圓弧轉子型線的參數方程(外圓弧及其包絡線型、內圓弧及其包絡線型、和內外圓弧加擺線型) ,還給出了這三種轉子的徑距比( r _ a a )的極值,並進行比較,得到:內外圓弧加擺線線型是最優線型這一結論;為降低羅茨風機的噪聲,將傳統的直葉轉子改成扭葉轉子。This short - arc coupled with the low pendulum effect achieved by pivoting the disc through a point near its center of gravity assures rapid closure
繞軸旋轉的閥瓣的重力中心距軸心較短,因此這種短弧的鐘擺效應也比較小,從而確保能夠迅速關閉。The curvature interference of the gear and the influence of radius of the mill - cutter, axial misalignment, and center distance on meshing are analyzed. based on these analyses, propose two methods to achieve point - contact : to change the radius of the mill - cutter and increase the center distance
在分析了弧齒線圓柱齒輪的嚙合傳動不產生曲率干涉的條件和刀盤展成半徑、軸線平行度誤差、中心距對嚙合影響的基礎上,提出了點接觸弧齒線圓柱齒輪實現的兩種方案:調整刀盤展成半徑和增大中心距。The thesis studied the change of stress triaxiality in the four - point curved beam made in 16mnr with arc - tip crack and its important effect. in the beam, the points of peak value of stress triaxiality distribute along a line, whose direction is well consistent with the fracture direction got by experiment when so > 3mm
在圓弧裂紋試件中,裂尖附近的三軸度較高的點呈脊線分佈,按照脊線分佈擬合計算得到的三軸度脊線夾角在偏心距so 3mm時與試驗測得的斷裂角符合較好,這種情況下試件發生的是韌窩型斷裂。This paper presents the effects of some features on the productivity of raw c60 materials, such as distance and approaching speed of electrodes, helium partial pressure and arc current etc. then we separate and purify the raw materials and obtain pure solid c60 of 99. 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions, such as the depositing speed, the type of the substrate, the surface structure of the substrate and the temperature of the substrate. finally, we use xps, afm, ultraviolet, infrared and raman to analyze the component, structure and feature of the films qualitatively and quantitatively
本文首先研究了氦氣分壓、弧電流大小、電極間距以及電極推進速度等實驗條件對制備c _ ( 60 )粗品產率的影響;接著選用柱色譜法分離提純得到了純度大於99 . 9的c _ ( 60 )固體,比較了不同流動相和固定相的提純效率和效果;然後採用自己改進后的真空鍍膜機,利用電阻式加熱蒸鍍方法,得到了純c _ ( 60 )薄膜和不同摻雜比的銀摻雜薄膜;探討了沉積速率、襯底種類、襯底表面結構以及襯底溫度等實驗條件對薄膜結構的影響;最後通過xps , afm ,紫外,紅外,拉曼對薄膜的成分、結構和特性作了定性和半定量分析。Study on contact ratio of spiral bevel gears and influence of pitch error
弧齒錐齒輪的齒距誤差對傳動性能的影響研究Influence of pitch error on load share between teeth and bending strength of spiral bevel gears
齒距誤差對弧齒錐齒輪齒間載荷分配和強度的影響Minimal arc distance
最小電弧距離分享友人