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蜂窝形
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  honeycomb the range
     When lattice structure is honeycomb,the range of fill ratio is 0.18~0.5,2D dielectric-column photonic crystals of three materials have complete bandgap. Further,more biger dielectric constant ratio is,more wider complete band gap can be obtained.
     对于蜂窝形晶格,当填充比介于0.18~0.5时,三种材料均存在较大的完全禁带,而且,介电常数比越大,完全禁带宽度越大。
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  “蜂窝形”译为未确定词的双语例句
     Phase diagrams of two different systems are made, which illustrate the dependence of phase structure on the chain architecture and Flory-Huggins parameters.
     与两嵌段共聚物的相图相比较而言,在A_2B的相图中,我们只发现了三个经典的有序相:球状相,六角蜂窝形柱状相以及层状相。
短句来源
     Some Supplemental Recommendations for Design of Steel and Concrete Castellated Composite Beam
     钢与混凝土蜂窝形组合梁设计中的若干问题
短句来源
     The palladium catalysts supported by honeycomb porcelain and its deactivation state have been studied by means of XRD, SEM and BET surface area measurement.
     应用XRD、SEM与BET测比表面等手段对蜂窝形多孔陶瓷钯催化剂及其失活状态进行了测试。
短句来源
     Research on the Geometrical Unchangeability and the Stress Analysis of Honeycomb Triangular Pyramidal Plate Type Space Trusses
     蜂窝形三角锥平板网架几何不变性及内力分析的研究
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     The typical 3-D integrated and sandwiched fabrics including X,V and honeycomb types in warp wise are designed and manufactured with glass fibers on the common 2-D loom,and reinforced composites are made of the fabrics by means of the technology of vacuum assisted resin infusion.
     用玻璃纤维在普通二维织机上分别试制经向为V形、X形和蜂窝形3种典型三维整体夹芯织物,利用真空辅助成型工艺研制复合材料夹芯板。
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  相似匹配句对
     THE DEFLECTION ANALYSIS AND TEST OF StEEL-CONCRETE CASTELLATED COMPOSITE BEAMS
     蜂窝组合梁的挠度分析和试验比较
短句来源
     The Calculation of Castellated Beam-Column
     蜂窝空腹压弯杆件的计算与分析
短句来源
     Shape * Shadow
     *影
短句来源
     ②honeycomb like;
     2 .蜂窝型 ;
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     (5) honeycomb;
     ( 5 )蜂窝肺 ;
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  honeycombed
Heat exchange in a flat solar collector with heat pipes and honeycombed fill
      
A flat solar collector with honeycombed fill and a system of heat pipes has been developed.
      
The main advantage of the studied materials is a more than tenfold-higher sealing of honeycombed constructions.
      
Although cystic angiomatosis of bone usually produces widespread osteolytic lesions with a honeycombed appearance in the skeletal system, multiple osteoblastic lesions mimicking metastatic osteoblastic carcinoma are sometimes seen.
      
The microscopic appearance of these plaques reveals areas of "honeycombed" or homogenous edema as well as areas rich in proliferating cells and ground substance.
      
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This paper deals with the theoretical analysis of the geometrical unchangeability of honeycomb triangular pyramidal plate type space truss supported along the periphery. Through the computations of 30 different loading combinations and different support restraints, it has been pointed out that the geometrical unchangeability of honeycomb triangular pyramidal plate type space truss supported along the periph ery depends upon the restraint conditions of supports and under certain circumstances the truss needs...

This paper deals with the theoretical analysis of the geometrical unchangeability of honeycomb triangular pyramidal plate type space truss supported along the periphery. Through the computations of 30 different loading combinations and different support restraints, it has been pointed out that the geometrical unchangeability of honeycomb triangular pyramidal plate type space truss supported along the periph ery depends upon the restraint conditions of supports and under certain circumstances the truss needs no more additional members for the sake of obtaining the required geometrical unchangeability.

本文对周边支承的蜂窝形三角锥平板网架的几何不变性进行了理论分析,并通过三十个不同荷载、不同约束方案的实际计算指出: 1.周边支承的蜂窝形三角锥平板网架,其几何不变性与支座约束情况有关; 2.这种网架空间几何不变性的机动分析可简化为上弦平面内的平面机动分析; 3.在各支座处除有一个铅垂约束外,只要在全部支座(个数为J)范围内按着机动分析的充分条件适当布置J个或多于J个的水平约束,使网架上弦所形成的平面系统呈几何不变体系,这时可不必增加任何其他杆件,即可保证网架整体的几何不变性; 4.当荷载不变时,支座水平约束的变化只影响上弦杆件内力,对下弦杆件内力及腹杆内力无影响; 5.在实际工程中,支座多呈三向弹性约束,结构形成超静定的几何不变体系; 6.当采用铅垂固定约束及平行边梁轴线方向的固定约束,且只有铅垂荷载时,虽然能算出结果,但从理论分析是几何可变的,属于不稳定平衡情形,仍潜伏着结构瞬时可变的危险性,在结构设计中应有相应措施以保证结构的稳定平衡。

In this paper a simplified method for analyzing space truss and plate composite structures is studied. According to the theorem of energy,the plate of the composite structure is idealized as a three-way or four-way planar truss system. The space truss and plate composite structure may be assumed as an equivalent space truss system which can be solved by the matrix displacement method, Methods for computing space truss and plate composite structures with various kinds of space grids, such as two-way orthogonal...

In this paper a simplified method for analyzing space truss and plate composite structures is studied. According to the theorem of energy,the plate of the composite structure is idealized as a three-way or four-way planar truss system. The space truss and plate composite structure may be assumed as an equivalent space truss system which can be solved by the matrix displacement method, Methods for computing space truss and plate composite structures with various kinds of space grids, such as two-way orthogonal space grids,two-way heterotropic space grids, three-way space grids and triangular pyramidal space grids of honeycomb pattern are discussed. The corresponding expressions for stiffness of equivalent planar members and internal forces in plates are given with numerical examples in the paper.

本文研究并提出了网架-平板组合结构的简化分析方法。这种分析方法是将组合结构的平板部分,根据各种不同形式的网架折算为四组或三组平面交叉杆系,从而使这种比较复杂的组合结构转化为一个等代空间铰接杆系结构,由一般空间桁架位移法直接进行计算。文中详细地讨论了两向正交类网架、两向斜交类网架、三向类网架及蜂窝形三角锥网架等各种网架-平板组合结构的具体计算方法,并给出了相应的等代杆系刚度和板中内力的计算公式,并且附有算例。

This paper gives a computer method of analysis for the geometrical stability of structures. The stiffness equation is solved by means of the Gauss elimination method. If a diagonal element is reduced to zero we shall adda proper positive real number to it so that the Gauss elimination may be continued. Finally, if there are m positive read numbers added, the degree of freedom of the structure will be m and the rank of the stiffness matrix is r=n-m (n-its order). The procedure is adaptable to other methods for...

This paper gives a computer method of analysis for the geometrical stability of structures. The stiffness equation is solved by means of the Gauss elimination method. If a diagonal element is reduced to zero we shall adda proper positive real number to it so that the Gauss elimination may be continued. Finally, if there are m positive read numbers added, the degree of freedom of the structure will be m and the rank of the stiffness matrix is r=n-m (n-its order). The procedure is adaptable to other methods for solving the stiffness equation.

本文提出了一种杆系机动分析的计算机方法。用高斯消去法求解结构刚度方程,当对角元素被消成零值时,立即把该对角元素改成适当的正实数,使消元运算能按自然顺序继续下去。消元运算结束后,统计这种正实数的个数m,则杆系的自由度就是m。这种算法的原理同样适用于刚度方程的LDL~T等其他解法。用本文方法研究了蜂窝形三角锥平板网架的几何不变性问题,验证和补充了文的结论。

 
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