角向分佈 的英文怎麼說

中文拼音 [jiǎoxiàngfēn]
角向分佈 英文
angular distribution
  • : 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...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  1. Ii ) energies of the sputtered atoms vary mainly from several to several teens ev, with few atoms " energy relatively high ; the emitting positions of the sputtered atoms are close to the corresponding incident ions ( in the order of angstrom ) ; the sputtered atoms are emitted mainly normally, and few are slantways ; energy and angular distributions of sputtered atoms are influenced by the energies and incident directions of incident ions, but the angular distributions are not influenced by the incident energy very greatly

    Ii )濺射原子的能量一般集中在幾個到十幾個電子伏特的范圍內,在高能量區域也有所,但數量很少;濺射原子的出射位置就在離子入射位置的附近(埃數量級) ;濺射原子的度在垂直方和斜射方都有所,但以垂直出射為主;濺射原子的能量、受到了入射離子能量、度的影響,但入射離子能量對濺射原子的出射影響不大。
  2. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積方程的積核里含有復雜的微積運算,為了簡化計算,本文在推廣的海倫積方程的基礎上,對方程進行了簡化,推導了nakano方程,並以平面阿基米德螺旋天線,平面等螺旋天線,軸模圓柱螺旋天線,具有固定升的圓錐螺旋天線和圓錐等螺旋天線為例,用矩量法求解了天線上的電流,研究了螺旋天線輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。
  3. Besides, the sedimentary facies of upper ganchaigou and lower ganchaigou formation were also mapped in supersequences which are the main target strata for exploration. the high resolution sequence stratigraphic framework showed the genetic relationship between the distributions of sedimentary facies and their tectonic settings. the near - source sedimentary systems such as subaqueous alluvial fan and lake - floor fan are often deposed in rise - hemicycles in the steep slope background in the north, the coarse lithology of fan - delta prograded from north to south in fall - hemicycles, and the braided stream facies are formed in the rise - hemicycles in gentle slope background in the south, braided stream facies prograded from sorth to north in the fall - hemicycles, but the lacustrine facies and salt lake facies developed in the middle part of the area

    詳細的沉積相研究發現,紅獅地區第三系發育有沖積扇、水下沖積扇、河流、三洲、扇三洲、湖泊和湖底扇7種主要沉積相類型,並對作為區內主要勘探目的層系的下乾柴溝組和上乾柴溝組進行了以超層序為單位的沉積相平面編圖,以較高的時間解析度揭示了區內沉積相帶的平面展布及其在不同構造背景中的規律,比如在北部的凹陷陡坡背景下,上升半旋迴低水位期通常發育有水下扇、湖底扇等陡岸近源特徵的沉積體系,下降半旋迴高水位期,扇三洲相粗碎屑巖由北南進積;在南部的凹陷緩坡背景下,上升半旋迴主要發育辮狀河流相,下降半旋迴辮狀河三洲相由南北進積;而中部紅柳泉一獅子溝一帶則為湖泊相沉積和鹽類沉積。
  4. From the model study of the fractal random rough surface, we acquire one dimensional ? two dimensional fractal random rough surface model with fractal theory ; 2. the calculation of the scattering field of light ; the establishment of the scattering light ’ intensity model, and the number calculation of the intensity distribute ; 3. the study on the laser radar cross section of one - dimensional fractal rough surface target ; and the number calculation of the scattering intensity of two - dimensional fractal the rough surface target ; 4. through shadowing effect, we analysis light scattering characteristic of fractal rough surface

    本論文利用形理論得到一維?二維形隨機粗糙表面模型,研究光在一維?二維形粗糙表面的光散射特性,主要從以下四個方面析: 1 .自仿射形隨機粗糙表面模型探討,採用形理論得到一維?二維形隨機粗糙表面模型; 2 .形粗糙表面散射光場的計算和粗糙表面散射光強的模型建立和數值計算; 3 .一維形粗糙表面目標的激光雷達後散射截面lrcs研究和二維形粗糙表面目標散射強度數值計算; 4 .引入遮蔽效應形粗糙表面光散射特性。
  5. A new model was presented in a three dimensional geographic coodinate system to describe the linear growth of r - t instability so that the effects of magnetic inclination and declination were taken into accont. it is an generalization of former theories from equatorial to mid - latitude regions. from this model one can see the influence of magnetic strength, inclination and declination. due to the magnetic effects, the occurrence rate of the instability is not symmetric in longitudes even at the magnetic equator. some occurrence peaks or valleys will appear in certain places around the world

    從三維地理坐標系出發建立模型,考慮了地磁傾和偏的影響,研究spread - f現象的全球特點,是對以前的研究從赤道地區中低緯度地區的推廣。從該三維模型中可以看到地磁場的大小和位型的影響包括磁傾和磁偏的效應。由於地磁位型的不同,發生率的並不具有經度對稱性,即使在磁赤道附近也如此。
  6. Then, we caculate the dynamic character of the reflective mtn cell with the optimized parameter, give out the distribution of velocity, twist angle and tilt angle at the midle of the mtn cell when switch on or off in consideration of the backflow

    並針對選定參數的mtn液晶盒作了動力學上的計算。文中別了給出mtn盒在加電壓和撤電壓時,引流效應對反射率的影響,並比較指矢,速度,中間層的傾斜等參量的情況。
  7. The equation of the radiation transfer between two surfaces indicates that there are three factors that have influence on radiation transfer : brdf, projected solid angle ( psa ), and incident radiation flux. thereafter, a new baffle system design idea is put forward

    本文首先介紹了光學系統雜光的抑制措施,從光輻射在兩個表面傳遞的基本能量傳輸方程出發,指出影響輻射能量傳輸的三個因子:雙反射系數brdf 、投影立體psa和入射輻射通量。
  8. The angular distribution of parent molecule ion is highly isotropic while that of the atomic ion is anisotropic

    母體離子的呈現了高度的各同性,而原子離子則呈現了高度的各升性
  9. In the chapter two we discussed that the server would first use speed - 1 to serve customers when the system entered the busy state from the empty state, but when the server found the number of customers in the system exceeded the thresh - n during serving, after finishing the service of current customer it would use speed - 2 to serve the next customer till there is no customer. by the method of supplementary variable, l - transition and constructing vector markov, we attained the distribution of the queue length, the distribution of wait - time, the distribution of stay - time, the utility and etc. in the last part of this chapter, we discussed the optimal n * for thresh n which minimizing the cost function and we illustrate the cost function behaves for various parameter selections by a numerical study

    在本文第二章討論了當系統從空閑進入忙期時是服務臺以速度1進行服務,但一旦對某顧客服務完畢時如發現系統中的顧客數超過n值時就以速度2服務后續顧客直到系統變空的可修排隊系統,通過構造各種量馬氏過程和吸收量馬氏過程,獲得了瞬態、穩態隊長、等待時間、逗留時間、更新周期等一系列排隊指標以及可用度、可靠度等一些可靠性指標,在本章最後又從系統如何更好節省費用度出發討論了門限n的最優取值問題,並利用mathematic軟體對費用函數進行了數值模擬。
  10. This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure

    本文以軍用機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻在殼體范圍內的情況,忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方的抗拉、抗彎及其抗扭作用,首次推導出了內襯三維波紋鋼板混凝土殼體的微平衡方程,建立了有限元計算模型,並採用三函數法,求解了三維波紋鋼板混凝土拱型復合結構在荷載和集中荷載作用下的位移響應和應力響應,並與普通殼體進行了比較。
  11. Considering the diffuseness of the n - n scattering in the forward direction results in an increased reaction cross section. and also the angular distributions calculated in the glauber theory including these two corrections are in good agreement with the experiment data. in the investigation of the halo nucleus reaction with a loosely bound structure, one has to consider the strong spatial correlations among its constituents

    考慮了低動量轉移的核子?核子兩體散射在朝前方上的彌散,使計算得到的反應截面增大,而且我們從彈性析中得到考慮了有限力程修正的效應無論是在峰的位置還是的絕對值都能更好地符合實驗。
  12. The wider range of the directional distribution of wave energy, the shorter of the mean crest lengths and the wider range of the distribution of crest directional angles. the crest height and crest length show a high relativity while the crest heights are low and become independence at very high crest height

    獲得了波峰長度的統計、波峰長度與波峰高度的聯合、波峰高度與波峰長度相關性、波峰長度與波峰方的聯合以及波峰在一個大面積海域中的出現概率等結果。
  13. With the dissipation approximation, the results show that if the dissipation constant is considerably small, the influence of the environment on the coherence of the field can be ignored ; the larger the field ' s intensity is, the weaker the entanglement between the field and the atom, and the larger the degree of the mixture for the field ; the more the atomic distribution angle tends to tr / 2, the larger the mixture degree of the field is, while the stronger the entanglement between the field and the atom

    在耗散近似下,結果顯示:如果耗散系數k足夠小,則光腔對光場相干性的影響可以忽略;場強越大,光場與原子之間的糾纏越弱,場可達到的最大混合度越大;原子越趨/ 2 ,場的混合度越大,而場與原子之間的糾纏越強。 nnewdy力amicspr明州娜毓協月
  14. ( 3 ) the result of imitating shows that the distribution of temperature look like triangle at present, the cause of temperature asymmetry is the mistake ratio of gas and air in the same vertical direction, the direction to improve on is by adjustment to distribute reasonably gas in different height and uniformly gas in same level

    ( 3 )模擬結果展現了目前鉛塔燃燒室溫度呈三,並揭示了造成這種不均勻的根本原因是空氣、煤氣在同一垂直方的不匹配。並指出了改進方是通過調整,使煤氣2002年工程碩士畢業論文摘要在高度方的名迢群引配、以及在水平方均勻
  15. Abstract : yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    文摘:陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.通過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利相帶控制外,還與地層異常壓力的作用密切相關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之相鄰的儲集層中,並沿著有利儲集相帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住空間,從現今的勘探結果來看,通過研究地層異常壓力縱橫特徵,並結合有利相帶研究預測次生孔隙育良帶是行之有效的方法
  16. Yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.通過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利相帶控制外,還與地層異常壓力的作用密切相關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之相鄰的儲集層中,並沿著有利儲集相帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住空間,從現今的勘探結果來看,通過研究地層異常壓力縱橫特徵,並結合有利相帶研究預測次生孔隙育良帶是行之有效的方法
  17. The critical error has been found through computation, which is the error circling the gear. the load sharing characteristics of two kind of star - type gearing train has been determined through comparison. based on computation, the load sharing capability of two - stage external gear train is better than that of two - stage internal and external gear train

    其次,從靜力學的析了各誤差對系統均載性能的影響,比較了各誤差對系統均載性能影響的大小,得到了較大的影響系統均載的誤差因素,即圓周方的誤差;比較了兩種星型齒輪系統的均載性能,根據計算結果,兩級外嚙合傳動系統的均載性能要好於兩級內外嚙合傳動系統。
  18. Through the analysis and calculation the conclusion can be made that during the process of the timbering of excavation, the magnitude of soil stress decreases with the increase of the displacement on the base of the still earth pressure, and the earth pressure distribution varies from the triangular distribution of the still earth pressure to other distribution with the displacement of the timbering structure. the thesis introduces the bedding coefficient in the horizontal direction varying with the soil displacement from soil - structure interaction mode, therefore calculation can be made to get more rational calculation result using elastic foundation finite element method which is the same to timbering structure both upwards and under excavation surface

    通過析計算可以得出,在基坑支護過程中,土壓力的大小在靜止土壓力值的基礎上隨支護結構坑內側位移增大而減小;土壓力的由靜止土壓力的三隨支護結構位移變化成其它;由土-結構共同作用模式引入隨土體位移變化的水平基床系數,使支護結構在開挖面以上部同以下部一樣,均可採用彈性地基有限元法進行計算,得出更為合理的計算結果。
  19. In the scope of linear elastic theory, the consistent of the fundamental assumption between the theory of thin - walled beams and solid beams is analyzed and defined from the viewpoint of the thin plate theory. the drawback of volassov thin - walled beams theory is studied on the ground of the traverse distribution of loads on the thin plate. and, the fundamental assumption of generalized beam theory ( gbt ) is surveyed

    本文在線彈性的范圍內從薄板彎曲理論出發,討論了薄壁桿件理論與實體梁理論在基本假定上的一致性,並從薄板荷載橫形式的析了符拉索夫薄壁構件理論的局限性,對考慮截面畸變的梁理論? ?廣義梁理論( gbt )的基本假定進行了探討。
  20. A mathematical model of flows in the substrate was established using the equivalent continuum approach, and multi - dimensional numerical simulation of the steady flows in the catalytic converters was performed. simulation results show that the separation and vortex, which cause the pressure loss and the velocity non - uniformity at the front of the first substrate, are generated near the wall of the conical pipe. in addition, the larger the inlet cones angle the more the pressure loss and maldistribution in converters, however, when the angle enlarges enough the pressure loss would be decrease

    結果顯示氣流在擴張圓錐管壁附近出現離產生較強的擾動,造成局部流動損失和載體前氣流速度沿徑不均勻;入口擴張管結構對催化器的流動特性有很大影響,但並非擴張越大,催化器流速武漢理工大學碩士學位論文的不均勻性和壓力損失也增大,而是存在著一個最佳度,但當擴張增大到一定程度以後,擴張對流速和壓力損失的影響變小。
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