spherical shell 中文意思是什麼
spherical shell
解釋
球殼-
The motion we observe on this spherical shell does not represent at all the true motion of the celestial bodies.
我們在這個天球上看到的運動完全不能代表天體的真實運動。 -
In 3d geodynamics numerical simulation research, it is often required to mesh the whole earth or part of the spherical shell, and the size of mesh is much more important to our research
摘要在研究大尺度的三維地球動力學問題的數值模擬過程中，往往需要對整個球體或部分球殼生成計算網格，而且網格單元的尺寸對所研究的問題尤為重要。 -
Specifically, to a test particle, its mass defect is am = m _ ( 0 ) - m, where mo and m are the mass of the particle when it is in the infinity and in the grav - itational field, respectively. to a spherical shell ( or a solid sphere ), its mass defect is am = m _ ( 0 ) - m, where mo is the total mass of the matter scattering in the infinity and m is the mass of the gravitational spherical shell ( or the gravitational sphere ) combined by the matter scattering in the infinity
具體來說，對于試驗粒子，當它由無窮遠處運動到引力場中某點時，其質量由m _ 0變為m ，發生的質量虧損為m = m _ 0 - m ；對于球殼或固體球，當組成球殼或固體球的這些物質分散在無窮遠處時，總質量為m _ 0 ，當這些分散在無窮遠處的物質結合成球殼或固體球時，其質量變為m ，發生的質量虧損為m = m _ 0 - m 。 -
Designing practice of large - span spherical double - level reticulated shell
大跨度球形雙層網殼的設計實踐 -
It is important to analyze the stresses and reinforcement design of spherical shell with transnormal nozzle because it is widely used in petroleum > chemicak nuclear electric and other industries. first of all, in order to explore and master the characteristic of stress distribution on this structure and to find reinforcement design which can accommodate to different instances, the stresses of a series of models with different t / t and r / r were analyzed by the finite element procedure - ansys
首先，為了更進一步了解和掌握球殼超標開孔平齊接管結構的應力分佈特點，並找到適用於不同情況下的補強設計方法，本文利用ansys有限元分析計算程序對不同開孔率和不同厚度比的一系列球殼超標開孔平齊接管結構進行了應力分析，得到了應力分佈曲線和應力集中系數曲線。 -
For confirming the results, a full - size model ( dj / dj = 0. 6, t / t = 1. 5 ) was analyzed by means of strain gauge test. the reliability of finite element analysis was proved because the results basically accorded with that of the test. secondly, in this paper, in order to carry out a fair assessment of the reinforcement design on spherical shell with transnormal nozzle, a comparison of reinforcement method was done between jb4732 - 1995 steel pressure vessels ? esign by analysis appendix a4 and hg20582 - 1998 specification for stress calculation of steel chemical vessels
為了驗證ansys分析結果的可靠性，對其中一組參數下（開孔率0 . 6 、厚度比1 . 5 ）的模型容器，採用電測法進行了應力測試，並將得到的實驗結果與有限元結果進行了比較，二者在應力分佈狀況和大小上均基本吻合，證明此種結構運用ansys進行分析，其結果是完全可靠的。 -
Investigation on the dynamic displacement response of thin spherical aluminium shell under blasting shock loading of explosive charge
空中爆炸沖擊波作用下薄壁鋁球殼體大變形響應的實驗研究 -
On condition that the volume of particle is equal, the effective permittivity of penny shape particle is the biggest, that of the needle shape is second, and the spherical shape is the last. when the thicker of shell is constant and the radius of core is bigger, the effective permittivity is less. the effective permittivity will change acutely when the thicker of shell is close to the radius of core ; with the radius of core increasing, the effective permittivity of core - shell type particle will approach that of no shell type particle
在相同的形狀下（如便士形和針形） ，粒子的大小對于等效介電常數沒有影響；對于核殼形夾雜顆粒復合材料，當殼的厚度一定時，隨著核的半徑的增大，復合材料的等效介電常數越來越小；當殼的厚度和核的半徑較接近的時候，復合材料的等效介電常數將會發生急劇的變化；隨著核的半徑的不斷增大，核殼型顆粒夾雜復合材料的等效介電常數將逐漸的趨近於沒有殼的夾雜顆粒復合材料的等效介電常數。 -
Suspend - dome is a new multiplex structure system composed of single - layer spherical latticed shell above, prestressed cables below and braces bars used to link them. compared with single - layer latticed shell and cable dome, suspend - dome can cross a larger span economically and reasonably
弦支穹頂（ suspen - dome ）是由上部的單層球面網殼，下部的預應力環索和斜索以及聯系二者的撐桿組成的一種新型的復合結構體系。 -
Summary of dimension calculation method and system of spherical shell slab in spherical tank
球形儲罐球殼板片尺寸計算理論及系統概述 -
To validate the scheme, an air - filled, submerged in water spherical shell excited by a sound source located at the center of the sphere was calculated
為驗證數學模型的正確性，對點聲源激勵下無界水域中充氣球殼進行了數值計算。 -
Research on non - die spherical shell forming process by shock wave functioning
爆炸沖擊載荷下球殼無模成形過程研究 -
Finally a fact double - layer reticulated spherical shell is analyzed. the change of parameters, such as ratio of height - span, shell ' s thickness, stochastic flaw and disposal of load so on is considered, and more than 200 results on ultimate load - carrying capacity are obtained
利用本文程序對一個雙層球面網殼結構的工程實例進行了分析:考慮網殼結構設計中的主要參數如矢跨比、網殼厚度、初始缺陷以及荷載分佈等變化，計算結構的極限承載力，共得到200多個結果。 -
Accuracy analysis of explosive expansion forming of the spherical shell of thin - wall multi - segment cone - sill
薄壁多節錐臺殼體爆炸脹球精度分析 -
As the rise of a spherical shell with uniform thickness is 6052 times of its thickness, upper critical load of the shell subjected to uniformly distributed load was investigated, and the convergent result was still derived
在均布荷載作用下，等厚度球殼的矢高為其厚度的6052倍時，對上臨界荷載的計算仍取得了收斂的數值結果。 -
The sense of this work is to gain a further understanding of helium in the two metals. on the diffusion of helium - 3 in two spherical shell samples made of 21 - 6 - 9 type of stainless steel, during the storage of tritium at the pressure of 6. 13mpa for about 4 and 6 years at room temperature and later exposed to air for another 3 and 1 year. first, a calculation based on the analytical and numerical method to the diffusion and decay theories was developed to evaluate the concentration distribution of helium - 3 by tritium diffusion and decay in the samples
在不銹鋼氚衰變~ 3he的擴散行為研究中，建立了氚和~ 3he濃度分佈的解析解和數值計算方法，以評估充氚不銹鋼球形容器壁中氚衰變~ 3he的宏觀濃度分佈，同時還用數值計算方法以求解氚和~ 3he的多步擴散行為；對樣品表面逐層蝕刻、同時收集釋放的~ 3he進行分析，分別實測了經室溫條件下在6 . 13mpa高壓氚中貯存4年和6年、空氣中存放3年和1年的兩種21 - 6 - 9不銹鋼球殼樣品內壁中~ 3he濃度分佈；結果表明：由於he在金屬中的不可容性， he原子偏聚于不銹鋼表面以及內部的局部區域，在整體趨勢上， ~ 3he分佈與計算結果相一致，根據理論計算，兩種21 - 6 - 9不銹鋼球殼樣品內壁中~ 3he到達的深度分別為350 m及500 m 。 -
According to the structural dynamic behaviors under different site conditions and seismic waves with different platforms, the relationships between the structural response and site predominant period, as well as platform of seismic wave were built up, by which the most unfavorable earthquake excitations of single - layer spherical shell were obtained
通過對場地卓越周期及地震波平臺段持時的研究，建立結構動力響應與場地卓越周期及地震波平臺段持時之間的關系，明確了何種條件下的荷載為結構最不利外荷載。 -
And the double - layer reticulated spherical shell is one of the most widely applied space grid structure
雙層球面網殼結構是其中廣為應用的結構形式之一。 -
Influence of boundary conditions to the properties of single layer reticulated spherical shell
邊界條件對單層球面網殼結構性能的影響 -
Simulation to distortion and fragmentation of thin spherical shell under inner explosive
爆炸容器內沖擊波系演化及殼體響應的數值研究
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