查询词典 tangential section

The invention concerns a burner comprising a premix designed to produce a flammable air-fuel mixture, said burner including a vortex generator, wherein are provided two complementary burner shells forming a passage body, having each a first half-cone burner shell section (1) and delimiting together a turbulence chamber, widening in the axis in the form of a cone, as well as tangential air intake slots in the axial longitudinal direction of the cone.

描述了一种用于产生可点燃的燃料-空气混合物的预混燃烧器，该预混燃烧器具有涡流发生器，该涡流发生器设置了至少两个对穿流本体进行补充的燃烧器壳，所述燃烧器壳分别具有构造为分锥形状的第一燃烧器壳区段(1)并且共同限定着在轴向上按锥形方式扩展的涡流室并且限制着所述沿轴向的锥体纵向伸展方向相互相切的进气缝隙。

In the paper four aspects have been studied:(1) tree and distributing, belonging to the correlative contents of the dendrology,(2) the macroscopical character in virtue of magnifier and entitative microscope observing the three sections (cross section, radial section and tangential section );(3) the microcosmic character, in virtue of light microscope observing slices.

本文从以下四个方面进行了研究：(1)树木及分布，树木学方面相关的内容；(2)木材宏观特征，借助扩大镜和实体显微镜，在木材的三个标准切面，即横切面、径切面和弦切面上进行观察；(3)木材微观特征，借助光学显微镜观察切片。

Each cell was mapped by the center point on the cell of transverse section with extended up and down for four pixel (nine-pixel lengths in total) and two pixels in width, and thereafter line convoluted dot map was obtained. Through Fourier transformation, the frequency distribution of power spectrum pattern from both horizontal and vertical direction was obtained, and the cell diameter in radius and tangential direction was known from the maximum value except 0 in the distribution.

把每个纤维细胞都用其中心的一个长9个像素点、宽2个像素点的线段点图表示，进行傅立叶变换，其能量光谱图在水平和垂直方向上的频率分布，除零值以外的最大值，即为细胞径向、弦向直径。

The numerical results show that the secondary flow is enhanced in the cross section vertical to the mainstream for the revised burner, the gas tangential velocity component increases, and the rotational flow is intensified.

结果表明：改进后的燃烧器明显地增加了垂直于主流方向截面上的二次流，气体的切向分速度增大，旋流程度增强，能够有效地改善煤气和空气的混合效果。

Suber The cork cells are seen as 14 polygons, show a honeycomblike arrangement in tangential section and resemble a brick wall in transverse and radial sections.

欧洲栓皮栎软木细胞为14面体，弦切面细胞呈蜂窝状排列，横切面和径切面呈砖墙状排列；细胞壁上存在褶皱。

The results were as follows the airdried density ( moisture content of wood is 12%), the basic density and the ovendry density were 0.583 g·cm-3, 0.462 g·cm-3 and 0.507 g·cm-3 respectively, the airdried density was at the medium level in domestic wood species;the shrinkage coefficient of radial, tangential and volumetric were 0.099%, 0.183% and 0.296% respectively, the maximum swelling were 4.106%, 7.958% and 12.627% respectively;the ratio of tangential shrinkages to radial shrinkages was 1.5-1.9;the toughness was 52.12 kJ·m-2;the hardness of cross, radial and tangential section were 41.53 MPa, 31.41 MPa and 35.51 MPa respectively;the compressive strength parallel to grain was 44.50 MPa ;the modulus of elasticity in static bending and the bending strength were 12.63GPa and 127.31 MPa respectively;the shearing strength parallel to grain of radial and tangential were 8.76 MPa and 10.54 MPa respectively;the cleavage strength to grain of radial and tangential were 124.3 N·mm-1 and 138.6 N·mm-1 respectively.

结果表明大叶栎木材的气干密度（含水率为12％）、基本密度和全干密度分别为0.583 g·cm-3、0.462 g·cm-3和0.507 g·cm-3，气干密度属于国产木材的中等级水平；径向、弦向和体积干缩系数分别为0.099%、0.183%、0.296%，湿胀率依次为4.106%、7.958%和12.627%，差异干缩为1.5-1.9，其尺寸稳定性较好；冲击韧性为52.12 kJ·m-2，端面、径面和弦面硬度分别为41.53 MPa、31.41 MPa和35.51 MPa，顺纹抗压强度为44.50 MPa，抗弯弹性模量和抗弯强度分别为12.63 GPa和127.31 MPa，径面和弦面顺纹抗剪强度分别为8.76 MPa和10.54 MPa，抗劈强度依次为124.3 N·mm-1和138.6 N·mm-1。

The main factors affecting the surface roughness of wood are: species, method of machining, radial or tangential section and cell structure of wood surface.

针叶材粗糙度和粗糙感的分布范围较阔叶材的窄，阔叶材的粗糙感主要受粗糙度的影响，针叶材的粗糙感主要来源于木材的年轮宽度。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。