背軸的 的英文怎麼說
中文拼音 [bēizhóude]
背軸的
英文
abaxial-
The author suggests that the three lithosphere - scale faults, lancangjiang fault, jinshanjiang - ailaoshan fault and axis fault in the middle of the basin, are the main geological structures that control the formation of basin, magmatism and metallogenic congregate district. the anticline structure with an axis of triassic strata and the related fault system within the basin, and gonglang arch - shaped folding structure in the south of the basin are the geological structure controlling the formation of ore fields. junctions of two or more faults with different orientation, interlayer cataclastic structural zone and oxidation - reduction ( redox ) boundary were the favorable position for the formation of ore bodies
認為瀾滄江斷裂、金沙江-哀牢山斷裂及盆地中軸斷裂這三條巖石圈斷裂是主要的控盆-控巖(巖漿巖)構造及礦集區尺度的控礦構造;盆地中以三疊系為軸的背斜構造及相關的斷裂系統、盆地西南緣公郎弧形構造等是礦田尺度的控礦構造;多組斷裂的交叉、層間破碎帶及地層柱中的氧化還原界面是形成礦體的有利部位。Based on this model, the effects of geometric and structural parameters, such as injection pressure, rear pressure, length - diameter ratio, inlet round angle - radius ratio and non - axis symmetry of nozzle, on the distribution of the cavitation inside the nozzle are analyzed
基於這一模型進一步分析了噴射壓力、背壓和噴孔長徑比、噴孔入口圓角比、非軸對稱噴孔等幾何結構參數對噴孔內空穴分佈的影響。Through the study we know the valley of syncline and the peak of anticline are all good storing places of ore - forming element. to form large industrial ore deposit, the condition of magma channels and the metallogenic fluid must be up to the mustard synchronously
研究結果表明,礦體的形成過程中,向斜構造的凹部和背斜構造的軸部虛托部位都是成礦的有利位置,但僅此還不夠,還應該有較好的通道條件和豐富的含礦流體來源。The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes
本文就是在此背景下,利用金屬波導和單軸晶體的一些特性,結合麥克斯韋方程組和波導的邊界條件,從三種不同的情況研究了光在對稱平面單軸晶體金屬波導(波導層是單軸晶體,兩個波導界面均為金屬)內的傳輸特性,其主要貢獻為,首次解析地得到了這種波導結構下模式場的精確解,並發現了一些有用的特性: ( 1 )模式場的性質因單軸晶體的性質不同而異; ( 2 )當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時,波導中傳輸te波和tm波,只不過其主模因單軸晶體的性質不同而異,當波導層介質為負單軸晶體時,波導主模是te波主模,而波導層介質為正單軸晶體時波導主模是tm波主模。 ( 3 )當單軸晶體光軸位於波導面內時,對于正單軸晶體,波導的主模是橫電波te _ 0模,任何頻率的光波均可激勵該模式;當光波波長滿足一定條件時,波導內傳輸單模,否則,將激勵起高階模式,高階模即匪te波,也匪tm波,而是兩者耦合而成的混合模。The limited hydrothermal karst and mixed zone beneath the anticline axis controls the porosity distribution of ordovician system and it is anticipated that surroundings of the axis of fold formed by compressional reverse orverthrusting during indo - chinese epoch and the coordinated area of morphology of anticline in the screen of buried hill and that of top surface morphology is the best position for development of the reservoir
局限的熱液巖溶和裸露的背斜軸部之下的混合帶對千米橋潛山奧陶系孔隙分佈具有重要控製作用,預期在印支期擠壓逆沖作用形成的背斜軸部,特別是潛山內幕背斜形態與潛山頂面形態相互協調的區域,應是儲層發育最好的部位。I just observed the people when i was drinking, it seemed most of them was quite enjoying the automsphere in the club, some of them are sitting a stride a chair, arms outstreched, rocking to and fro ; some are standing feet apart, and hands in pockets, stooping a hit and twisting their neck to see the screen ; and some of them are sitting forward with hunchedshoulders and arched back, their elbows resting on the thighs and their hands clasped in front them. . when i noticed them, i couldn ' t help my smiling. no one cared others in here, they are just indulge theirselves, except me
當我喝著飲料的時候,我觀察著這里的人們,他們中大部分人顯得甚是為這里的氛圍所陶醉.有的人跨在椅子上,手環抱著椅背,蕩來蕩去;有的人以雙腿分開的姿勢站著,手放在口袋裡,猴著腰扭著脖子看著大屏幕;還有些人端正地坐著,蜷著肩勾著背,胳膊軸子搭在大腿上,雙手交叉著. . . . . .當我看他們的時候,我忍不住地微笑起來.在這里,沒有人會在意別人,大家都沉迷在自己的世界里,除了我Just observed the people when i was drinking, it seemed most of them was quite enjoying the automsphere in the club, some of them are sitting a stride a chair, arms outstreched, rocking to and fro ; some are standing feet apart, and hands in pockets, stooping a hit and twisting their neck to see the screen ; and some of them are sitting forward with hunchedshoulders and arched back, their elbows resting on the thighs and their hands clasped in front them. . when i noticed them, i couldn ' t help my smiling. no one cared others in here, they are just indulge theirselves, except me
當我喝著飲料的時候,我觀察著這里的人們,他們中大部分人顯得甚是為這里的氛圍所陶醉.有的人跨在椅子上,手環抱著椅背,蕩來蕩去;有的人以雙腿分開的姿勢站著,手放在口袋裡,猴著腰扭著脖子看著大屏幕;還有些人端正地坐著,蜷著肩勾著背,胳膊軸子搭在大腿上,雙手交叉著. . . . . .當我看他們的時候,我忍不住地微笑起來.在這里,沒有人會在意別人,大家都沉迷在自己的世界里,除了我This subject belongs to three - dimensional layout problems with behavioral constraints theoretically and concerns the knowledge of spacecraft design, mechanical engineering, computer science, mathematics, mechanics and system engineering. so it can be ascribed as the frontier fundamental and applied research of cross - discipline subject with np complexity theoretically. in term of engineering practice, this subject has extensive applications, such as layout design of spacecraft module, engineering machinery, submarine and shipping, tank, under - water suspension engineering, platform of marine drilling well, bullet train, multiple spindle box of machine tool, robot
該課題在理論上,屬帶性能約束的三維布局問題,涉及航天器設計、機械工程、計算機、數學、力學和系統工程等學科,為交叉學科前沿課題的基礎理論和應用基礎研究,具有np難度;在實踐上,具有廣泛的工程應用背景,如航天器艙、工程機械、潛艇、船舶、坦克、水下懸浮工程、海上鉆井平臺、高速列車、組合機床多軸箱、機器人等的布局方案設計問題。The radiation pattern of the antenna is more rotationally symmetric, and a more reduction on the sidelobe levels of the antenna is achieved as compared to the antenna with the corrugated soft surface. in conclusion, in the present thesis both theoretical and experimental research works have been carried out intensively on patch antennas based on photonic - bandgap structures. it is shown that our photonic bandgap structures can greatly improve the performance of the patch antennas
該平面圓環結構軟表面天線是在空氣介質的皺褶圓環結構軟表面天線的基礎上改進得到,為了便於比較,我們首先研究了空氣介質的皺褶圓環結構軟表面天線,用fdtd方法並結合pml吸收邊界條件對該天線的性能進行了研究,結果表明天線的帶寬增加,天線的軸對稱性得到了很大改善, e面和h面方向圖的波束幾乎重合,天線的旁瓣和背瓣受到很大的抑制。Much has been done on the study of the shear strength and deformation characters of loess. on the basis of the analysis of literatures about loess, triaxial shear tests and k - zero consolidation tests are carried out on unsaturated and undisturbed loess ( q3 ) which comes from longxi area in gansu province
本文以開發gds三軸試驗系統為背景,在廣泛總結前人有關黃土強度、變形特徵研究成果的基礎上,針對甘肅隴西原狀q _ 3黃土進行了非飽和原狀黃土三軸剪切試驗和k _ 0固結試驗。The application background of thrust vectoring technology on aircraft and its advantages are analyzed. the main characteristics of some type of vectoring nozzles are discussed, the expression of thrust vectoring force and moment are set up. then, the nonlinear motion equations of aircraft with three axes of thrust vectoring are deduced
本文主要針對推力矢量飛機非線性飛行控制的理論和應用問題進行了一定的探索和研究,進行的主要工作有: 1 、研究了推力矢量在飛機上的應用背景和收益,分析了現有推力矢量噴管的主要形式和特點,給出了推力矢量力、力矩的數學模型,並在此基礎上推導了帶三軸推力矢量飛機的非線性運動方程,為控制律的設計奠定基礎。The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics
採用霍爾元件作為缺陷漏磁檢測傳感器,獲得管道軸截面漏磁場切向分量的漏磁信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢測儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法;分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性,研究了漏磁信號的小波去噪方法。To ensure the charging pump working reliably, the following measures should be adopted : ( 1 ) adopting modified circular casing to reduce the radial force of the impeller and decrease the seal clearance ; ( 2 ) using radical ribs on impeller and helical sealing on shaft to realize minor pressure differential ; ( 3 ) using back pressure stuffing box to ensure sealing under small packing force ; ( 4 ) adopting self - lubricant flexible graphite stuffing for absorption of solids entering in the graphite in case of leaking
為確保灌注泵可靠工作,提出改進措施: ( 1 )採用改型環形泵體降低葉輪的徑向力,減小軸封間隙,抑制泄漏; ( 2 )採用背葉片降低葉片根部壓頭,獲得微壓,使軸封兩端承受較小壓差; ( 3 )採用螺旋密封降低軸封兩端壓差,在保持微壓的同時避免出現負壓,密封效果更好; ( 4 )採用反壓式填料密封結構,在很小的壓緊力下,即可保證密封; ( 5 )採用具有潤滑功效的柔性石墨填料,即使發生軸封泄漏,進入石墨內部的固相顆粒也將隨著石墨的消耗而被鉆井液吸收。When targets penetrated by flat - ended projectile, shear deformation along the penetration direction appears, at the same time compressive deformation also appears in the material that is in front of the projectile. the compressive deformation begins at the back surface of the target and spreads inward
鈍頭彈侵徹下,側壁材料發生軸向剪切變形,同時,彈體前方的材料發生壓縮變形,壓縮變形首先在靶板背表面開始,而後自背表面向靶內傳播。Analysis of near - field distribution and cross - polarization radiation pattern cavity - backed microstrip patch antenna on a uniaxial substrate
單軸各向異性背腔式微帶貼片天線的表面縫隙場分佈及交叉極化方向圖分析The authors expressed mutant mfn2 in cultured dorsal root ganglion neurons. fragmented mitochondria clustered in cell bodies and proximal axons of these neurons
作者在中培養背跟節神經元中進行mfn2突變表達。線粒體碎片在細胞內生長並聚集於最接近那些神經元軸突的地方。Costumes - the thangkas are painted or embroidered images rendered on cloth, silk or paper which is mounted on a cloth backing and may be rolled up like a scroll when not hung
服裝-唐卡是在布、絲綢或在布的背面裱好的紙上繪畫或繡花裝飾著色,當不掛起來時候可以像卷軸那樣捲起來。The idea behind the experiment is simple : put a spinning gyroscope into orbit around the earth, with the spin axis pointed toward some distant star as a fixed reference point
實驗背後的原理十分簡單:將轉動的回轉儀放在環繞地球的軌道,轉軸指向遠處星體,作為固定基準點。Starting with the history of ancient town qujiawan which profits from the prosperousness of the family whose surname is qu, the paper analyzes ' one street and several lanes ' which is the main feature of its architectural structure, the configuration of the streets which makes the streets along with the river and the space of the street which is small and affability, and introduces the tiandou residence and panla ( a kind of architectural component ) in this place
摘要該文從湖北洪湖瞿家灣古鎮因族而興的發展背景入手,對以「一街數巷」為軸的古鎮結構、沿河生長的街道形態及小而親切街道的空間進行了分析,對當地的天斗式建築及建築構件攀拉等進行了介紹。The background of rapidly developed uhsm ( ultra high speed machining ) technology is introduced and the key function of the uhs ( ultra high speed ) motorized spindle to uhsm is discussed in the thesis. after analyzing international technology status and trend of the uhs motorized spindle study, we research the core technologies related to the uhs motorized spindle in detail, such as optimized design of the motorized spindle structure, high speed bearing technologies, oil - gas lubication technologies, precision machining and assembly technologies, design and manufacture technologies of the built - in frameless motor etc. then the digital simulation of the motorized spindle sensor - less vector control system is studied thoroughly
本文從超高速加工技術飛速發展的背景出發,討論了超高速電主軸對超高速加工技術發展的重要作用和意義;分析了超高速電主軸研究的國內外現狀及發展趨勢;詳細論述了超高速電主軸的關鍵技術,包括電主軸結構優化設計、高速軸承技術、油氣潤滑技術、精密加工與精密裝配技術以及內裝式電機設計製造技術等,並深入研究了超高速電主軸無速度傳感器矢量控制系統的數字模擬技術。分享友人