球截形 的英文怎麼說

We knew that the isotopic compositions of noble gases observed in space ( like those measured in meteorites and cosmic dust ) were clearly distinct from those found on the earth

我們知道太空中惰性氣體的同位素組成（像在隕石與彗塵中測量到的情形） ，與地球上的截然不同。

If we graph in spherical polar coordinates we get surfaces with the familiar figure eight cross section; again, these are graphs and not orbital shapes.

如果我們在球極坐標中作圖線，得到熟知的8字形截面；再說一遍，這是圖線而不是軌道形狀。

< uk > if we graph in spherical polar coordinates we get surfaces with the familiar figure eight cross section ; again, these are graphs and not orbital shapes. < / uk >

< uk >如果我們在球極坐標中作圖線，得到熟知的8字形截面；再說一遍，這是圖線而不是軌道形狀。 < / uk >

Concave reflecting surfaces of spherical cap, paraboloid and hyperboloid of revolution are investigated with regard to the dependence of the levitation force on the section radius rb and curvature radius r ( or depth d ) of the reflector

針對球面、旋轉拋物面和旋轉雙曲面三種形狀的凹面反射端，系統研究了懸浮力與反射端截面半徑r _ b和曲率半徑r （或深度d ）之間的本徵關系。

Abstract : from a universal formula for calculating the attenuation cross section of particles in arbitrary shapes, exact expressions for calcualting the attenuation cross section of polydisperse, small spheroids, whose rotary axes are in specific status, have been derived. attenuation cross sections of both liquid and ice particles in different shapes at different wavelengths in microwave band have been computed and analyzed. the results are informative to microwave remote sensing of precipitation

文摘:從計算任意形狀粒子的衰減截面普遍公式出發，推導出了小旋轉橢球粒子群旋轉軸處于不同狀態時的衰減截面函數表達式，並計算分析各種狀態下衰減截面隨降水粒子相態、形狀和入射波波長的變化特徵，所得結果可用於降水微波遙感。

Industrial valves - steel globe and globe stop and check valves

工業用閥.鋼制球形閥球形截止閥和止回閥

Specification for steel globe and globe stop and check valves flanged and butt - welding ends for the petroleum, petrochemical and allied industries

石油石化及有關工業用鋼球形閥球形截止閥與單向閥

30th sep, 2007 is the end of registration and entry of 14th world chinese badminton championship. after 30th sep, 2007 the committee will not accept any method to enter the game

1十四屆華人杯羽毛球賽笫二次報名截止時間為9月30日，此日期過后不接受任何形式的報名。

Q41f - 10c catena pad fluorine valve, q41f - 10cf catena pad fluorine valve, j41f - 16 pad fluorine end - valve, j44f - 16 angle form pad fluorine end - valve, sj41f - 10c pad fluorine inspect - lens, the connect form is flange, the passing parts of valve - body lumen and valve - cover valve - core etc. are all metal pad fluorine plastic inside, rotproof excellently

Q41f - 10c系列襯氟球閥， q41f - 10cf系列襯氟放料閥， j41f - 16系列襯氟截止閥， j44f - 16系列襯氟角式截止閥， sj41f - 10c襯氟視鏡，連接形式為法蘭式，閥體內腔及閥蓋閥芯等過流部件均為金屬內襯氟塑料，耐腐蝕性能優異。

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。

In this paper, we study and analysis the base distribution in human dna sequences. on the basis of the distribution sphere whose radius equal to 1 / 4 by zhang et al. expounded, with the method of plane mapping figure studying 6000 human dna sequences, and according to the figure of sierpinski gasket ' s patch and the brillouin zones of the face - centered cube, we obtain two new distribution figures, one is the frustum - octahedron, another is the regular - octahedron

我們在zhangetal .提出的人類dna序列的堿基分佈為半徑是1 / 4球分佈的基礎上，用平面投影圖的方法研究和分析了6000組人類dna序列的數據，並且根據塞爾賓斯基鋪墊的補形和面心立方的布里淵區圖形提出了兩種新的分布圖，一種是正八面體，另一種是截角八面體（十四面體） 。

The article describes the shape of wind load on the radome surface and analyzes the internal force of the radome with nonmomental theory of shell, stresses and stability with theoretic formula, equivalent modulus of elasticity and thickness of a - sandwich - composite structure

摘要針對雷達罩易受風荷載作用發生破壞的情況，本文從截球形雷達罩表面的風荷載分佈形態出發，採用無矩理論對雷達罩內力進行了分析計算，從理論上對模型進行了強度和穩定性分析，並著重闡述了a型復合材料夾芯結構的等效彈性模量和厚度的計算方法。

Italy were in dominant form after the break and manchester united forward giuseppe rossi went close with two volleys after being introduced as a substitute

義大利破門后，在形勢上占據優勢。並且曼聯年輕小將朱賽佩?羅西替補上場后幾近兩次截球入網。

In the second part, we investigate the compact submanifolds m with the parallel isoperimetric section in the real space forms rm ( c ) and prove that if there exists a parallel isoperimetric section on m, and the sectional curvature of m is always greater than zero, then m is contained in a hyper - sphere ; and get that the gauss curvature of the compact surfaces m with constant mean curvature in constant curvature space r4 ( c ) is always greater than zero, then m is a totally geodesic surface or a sphere, where an isoperimetric on m means a unit normal vector field defined globally on m with m1 ( ) = constant

（ 2 ）研究了實空間形式r ~ m （ c ）中具有平行等參截面的緊致子流形m ，證明了具有一平行等參截面的子流形m ，如果m的截面曲率恆正，則m包含在r ~ m （ c ）的一個超球面內；對于常曲率空間及r ~ 4 （ c ）中具有常平均曲率的緊致曲面m ，如果m的高斯曲率處處大於零，則m或為r ~ m （ c ）中的全測地曲面或為一球面。這里m上的等參截面是m上整體定義的單位法向量場，使得m關於它的平均曲率m _ 1 （ ）是常數。

Planation surface is a wide - ranging and undulating surface formed by planation in a long and relative stable period or in a decreacing - development period. it is near the base level and there always exists some deposits such as crust of weathering above it. planation surface is often uplifted or buried by the later tectonic activities

夷平面是在長期的地殼相對穩定時期或地殼下降發展階段，由廣泛的夷平作用以截斷面形式橫切所有先成的地層和構造的接近侵蝕基準面的平緩的地表形態，其上常有風化殼等碎屑堆積，常遭到後期的抬升切割或埋藏，分佈於地球的各緯度帶。

Insert ball bearing unit is consisted of a double sealed, single row bearing and one of various types of housings ( cast iron or stamping steel housing )

帶座外球面球軸承由一個雙面密封且外圈具有球形外截面的寬內圈深溝球軸承和一個軸承座（鑄鐵座或鋼板沖壓座）兩部分組成。

Design problems on continuous milling cutter edge and trigroove section of rose cutter

球頭銑刀上的連續刃口與三溝槽截形設計問題

Hydraulic ball cut - off valve for ships

船用液壓球形截止閥

The microspherules contained trace elements that were markedly distinct from those formed in volcanic blasts

微球中的微量元素，與火山爆發形成的微球截然不同。

In order to fully develop the theory of squeezed branch piles, in particular, the justification of its superior performance in terms of the bearing capacity and sinking displacement, we have derived the analytical formulas of the axial load and the strain at arbitrary depth ; based on existing static loading test results and research on belled pile, together with the analysis of on - site testing data, we have applied the expand theory on sphere holes to the computation of radial stress of squeezed branch piles under hole expansion ; taking the oil pressure of hole expansion in to account, we have find the a branch force under certain hole pressures, hence we can estimate the maximum bearing capacity of single piles ; we have introduced the experiential formulas for the bearing capacity of squeezed branch piles based on its stress characteristic and pile testing data ; we have also done numerical simulations of squeezed branch piles utilizing finite element method software ansys ; we have matched the simulation res ults with those of on - site basic load experiments, regenerating the distributions of stress fields and strain fields of squeezed branch piles, and from those distributions, we can determine the optimal distances between plates and piles

為了完善支盤樁的設計理論，探求支盤樁高承載力和低沉降量的內涵，本文推導出了支盤樁任意深度的截面荷載以及位移隨深度變化的理論公式；基於已有的靜載試驗成果及有關擴底樁的研究成果，從對現場測試數據的分析，將球形孔擴張理論引入到支盤樁擴孔時徑向應力的計算，考慮到擴孔時的油壓數據，求得某一孔壓下的支盤力，據此估算單樁極限承載力；同時根據對支盤樁的受力特點和試樁數據的分析，提出了支盤樁承載力計算的經驗公式；用有限元分析的方法，利用大型有限元分析軟體ansys對支盤樁進行數值模擬，並將模擬結果同現場的靜載試驗結果進行對比，再現了支盤樁在荷載作用下土中應力場和位移場的變化，根據應力場和位移場的變化范圍，指出最佳盤間距和樁間距；為支盤樁的設計和施工提供了一個可量化的設計依據。