非球形的 的英文怎麼說
中文拼音 [fēiqiúxíngde]
非球形的
英文
non-spherical-
C1o2 / tio2 granular composite the composite consists of acicular, conducting, ferromagnetic cro2 particles and spherical, insulating, diamagnetic tio2 particles
顆粒復合物這是針狀、導電的磁性croz顆粒和粒徑比ca12大得多的、球形且絕緣的非磁tio 。Monroe discovered that the earth was surrounded by several rings, or bands, that appeared deep grey or brown in color, and that these bands were occupied by discarnate or exteriorized entities who either still occupied physical bodies or who had recently left their bodies as a result of the death of the body
門羅發現,地球被數個環或帶所環繞,顏色顯現為深灰色或褐色,這些環帶被非肉身的或形象化的實體所佔據,他們不是依然占據肉身,就是因肉身死亡而剛離開他們的身體。Fe - ni alloy fiber were first prepared in a mixed solution of ferrous and nickelous salts, using kbh4 as a reducing agent. conditions, such as quantity of naoh, concentration of salts, and species of surfactants, of preparation of fe - ni alloy were studied. the result show that fe - ni alloy were soft magnetic materials and they exhibited superparamagnetization at room temperature that have been widely used in industry
本文用液相還原法首次制備出纖維狀的fe - ni合金、球形的fe - co 、 co - ni合金、 fe - co - ni合金粉體材料,並對其性能進行了分析和測試,結果表明:這些合金粒徑小,比飽和磁化強度較大,矯頑力為零,呈現超順磁性,是非晶態的軟磁材料。In the first part, the basic knowledge of particle scattering in meteorology and physics was introduced. the particles to be discussed include aerosol particles, fog droplets and raindrops and the em wave band in the discussion is near - infrared. in the second part, the mie theory was briefly reviewed and was applied to investigate the scattering characteristics of spherical atmospheric particles, the result shows that in the visibility measurement meter using forward - scattering method, when the working wavelegth is between 0. 8 m ~ 2 m, the scattering angle is between 25 ~ 40, the distinguishability and the relative scattering intensity would be better than those under other conditions. in the third part, the superellipsoid was used to describe a wide range of shapes such as spheres. ellipsoids and cylinders. an improved t - matrix method which can be used to calculate arbitry shaped particle ' s scattering field was introduced, and the scattering characteristics of non - spherical atmospheric particles was investigated with this method
計算結果表明,從相對散射強度、同一方向上不同粒子散射的可區分程度來看,在散射式能見度探測儀器中,工作波長介於0 . 86 m 2 m ,探測角度選取前向25度40度時,探測的結果將會是比較理想的。第三部分中,使用超橢球方程來統一描述各種非球形粒子的形狀,然後使用t矩陣方法計算了一些形狀的非球形粒子的近紅外散射特性。另外,在本文中還針對球形粒子的散射場提供了一種三維可視化方法,使對散射場強度的空間分佈的理解更加簡單,直觀。Numerical simulation of drag force on non - spherical particle in gas - particle two - phase flow
氣固兩相流動中非球形顆粒所受曳力的數值研究Scattering of the cloud or raindrop for radar wave was always the principal causes of meteorological interference. the author, according to specific property of the spherical or unspherical points, analysed some decline phenomena in propagation for radar - wave, especially the typhoon rainstorm
雲雨滴對雷達波的散射是產生氣象干擾的主要原因.根據球形、非球形質點的散射特性,分析了雷達波在傳播過程中受其影響所產生的各種衰落現象,特別是臺風暴雨In this paper, we brought forward an innovative idea : according to the characteristics of easy deformation of ultra - thin mirror, we employ a sphere mirror, which is easier to fabricate and test, to replace the aspherical mirror, then the sphere mirror is deformed into an aspherical one by active optics technology. on this purpose, we need to study the mechanism and method of shaping a spherical mirror into an aspherical one
由於非球面鏡的加工和檢測都比較困難,因此本文提出了一個大膽的設想:利用超薄鏡易於變形的特點,以加工和檢測難度遠低於非球面的球面來代替非球面,運用鏡面的主動控制技術將球面反射鏡變形成所需精度的非球面反射鏡。Secondly, the mathematical radiation extinction model of nonspherical particle is developed based on t - matrix method, and a computer program is designed to calculate the extinction cross section, scattering cross section, absorption cross section and scattering phase function of fixed or randomly oriented axially symmetric particle
然後根據t矩陣方法,採用回轉體微粒消光特性的計算模型編制出的相應程序,對固定取向和隨機取向的非球形回轉體微粒的消光截面、散射截面、吸收截面及散射相函數進行了計算。The principle of how to supply energy for system has also been studied. secondly, the orbiting satellites are affected by several perturbations. we put the main emphasis on the influence of the perturbations of the atmosphere drag and the earth ’ s eccentricity on the six orbital factors and the simulation ’ s accuracy
其次,衛星在軌運行時將受到各種干擾力的影響,因此在研究精確地磁場模型電動力纜繩離軌系統的動力學特性的基礎上,著重研究了大氣阻力攝動和地球非球形攝動對衛星離軌過程中各軌道參數的影響。The mathematic model of the ultra - thin spherical mirror is to be treated as elastic thin shell. then the predigested model, i. e., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up. based on an off - axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam ’ s radius r, position s of concentrated load p and geometry length l of arc was analyzed
根據這一設想,本文建立了超薄鏡的數學模型?薄殼,並提出了強制力作用下超薄鏡的簡化模型?曲梁,推導了曲梁在簡支情況下受力變形的撓度公式,並結合一個實例,計算出曲梁變形后與所需非球面的面形殘差( rms )在子午方向與曲梁弧長l 、曲梁半徑r及集中力位置s的關系及滿足面形精度的r和s范圍,分析了弧矢方向的rms ,得出了同時滿足子午和弧矢方向面形要求的l 、 r和p 。But, here and certainly remember, calculator can t do - it - yourself design of, contain design oneself can design the stereo set system. ever there is a gambler to face a calculator to weave the to ask, if may weave to outs the procedure of a calculator, and can forecast who will in the horse game inside the outs, this plait the answer say : the is certainly, the matter that this right and wrong is often easy, only suppose a horse is the spheroid s
但是,在這里一定要記住,計算機是不會自己做設計的,只有設計者本人才能設計音響系統。曾經有一個賭徒向一個計算機編程員請教,是否有可能編出一個計算機的程序,可以預報誰將在騫馬比賽中騰出,這個編程員回答說: 「當然可以,這是非常容易的事,只要假定一匹馬是球形的」But the domestic ultra - precision machining of aspheric surface, especially the large - scale aspheric surface, is just the same as blank, which has no systemic research
而國內非球面特別是大型非球面的超精密加工還是空白,還沒有形成系統的研究。In this paper, on basis of the current machining state, a testing principle on aspheric surface is put forward to, the principle is a kind of touching method by testing the meridian of aspheric surface and comparing it with the theoretical curve, so surface figure error is got. according to this principle, mechanical structure is designed and electric - control system is researched
本文首先基於現階段非球面的加工狀況,提出了用接觸式檢測非球面的子午面面形曲線並與理論曲線相比較,從而得到非球面面形誤差的檢測原理,並根據該原理進行了機械結構的總體設計和電控系統的研究。This paper deals with theoretical study on extinction characters of non - spherical particles and their smokescreen, which is one of the fundamental researches of smokescreen technology. the mathematical radiation extinction model of particles is discussed, and numerical simulation of extinction characters of particle and smokescreen is developed
本文就非球形微粒及其形成煙幕的消光機理開展了研究,針對煙幕對輻射衰減的理論模型,進行了非球形微粒及其形成煙幕的消光特性數值模擬。The results are as follows : 1. there are many spheroidal glomeruli in the antennal lobe, either as individuals or in combination, surrounded by neuron cells, coarse neuropil, i. e. nonglomeruli region and more or less glia or glial processes
結果發現: ( 1 )日本弓背蟻觸角葉中分佈許多大小不一,近似球形的嗅覺纖維球。這些纖維球的分佈是不連續的,被神經元細胞群、非嗅覺纖維球纖維分開。In the study, fft and digital filtering calculations are employed to assure measurement precision. experimental studies from industrial systems demonstrated that, fluctuation and correlation methods can be applied on non - spherical opaque particles, the precision are are within 10 % and 8 % respectively
多處工業現場和自製兩相流試驗系統的測量結果表明,測量顆粒濃度和粒徑的精度在10以內,速度測量精度在8以內,證明這種技術可以用於非球形、不透明顆粒的測量。The data formats of optical design software ( code v ) and optical cnc machines are investigated. based on the function of optical design software that can output documents with file type of txt, we developed the software in visual c + + used to control optical manufacture process. the software can find parameters of curve surfaces from the documents, handle the data stream of optical design software, the technological parameters of optical manufacture machines and surface error data of talysurf, and simulate the manufacture process
研究光學設計軟體( codev )和光學cnc製造設備的數據格式,利用光學設計軟體的文檔輸出功能,採用vc + +編制一個能從上述文件中自動發現曲面方程的介面,處理光學軟體數據流、光學設備工藝參數以及輪廓儀的面形檢測數據,模擬加工過程,生成用於光學加工的控制代碼實現非球面的銑磨和拋光,實現光學cad cam一體化製造。This research is aim at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage. for example, the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing, and the sensitive interferential system to the disturb, such as the oscillation of worklable, dithering of air, and so on
研究的目的主要是針對大型高精度非球面面形檢測中干涉儀的參考光路和測量光路較長,干涉系統對工作臺振動和空氣抖動等外界干擾因素的影響敏感,干涉圖不穩定等問題,提出了激光波長掃描干涉測試方法,該方法通過對瞬間讀取的、與連續變化波長對應的干涉圖的處理和分析,克服了上述缺點,為大型高精度非球面的檢測提供了一種適用的方法。The paper studies mainly a new kind of measure method of aspheric surface - laser wavelength - scanning interference testing. this research is aimed at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage : the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing and the sensitive interferential system to the disturb, such as the oscillation of worktable, dithering of air, and so on
研究的主要目的是針對在大型高精度非球面面形檢測中干涉儀的參考光路和測量光路較長,干涉系統對工作臺振動和空氣抖動等外界干擾因素的影響敏感,干涉圖不穩定等問題,提出了激光波長掃描干涉測試方法,該方法通過對瞬間讀取的、與連續變化波長對應的干涉圖的處理和分析,克服了上述缺點,為大型高精度非球面的檢測提供了一種適用的方法。For those who haven ' t heard the word, " precession " is when an object with a nonspherical shape wobbles around its rotation axis
如果你還不了解「進動」這個詞,進動指的是物體繞它的旋轉軸有非球形的擺動。分享友人