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The results show that the microscopical pore structure of the three dimensional orthogonal woven carbon fabric structure perform is composed of body-centered cubes which arranged periodically at spaces. The net structure and shape of the pores of perform are determined by the size and proration of the fasciculus diameter, which are key factors influencing the gaseous permeability and final density of composites. Once the proration of the fasciculus diameters of different directions is determined, the trend of diversification of the permeability followed by pore rate during CVI process and the density of composites are stated, and the permeability increases with the increase of the fasciculus diameter.

研究结果表明：三维正交结构炭纤维预制体的宏观孔隙结构在空间上可以看成是由呈周期性排列的体心立方"晶胞"构成； X ， Y 和 Z 3个方向纤维束直径大小及比例关系决定三维正交结构炭纤维预制体宏观孔隙网络的结构和形状，也是决定反应气体在孔隙中的比渗透率和复合材料最终致密度的重要因素；当 X ， Y 和 Z 3个方向纤维束直径的比例关系一定时，不同预制体在CVI增密过程中比渗透率随孔隙率变化的趋势相同；复合材料的最终致密度一定；比渗透率随纤维束直径增大而略有增大。

The improved fish-bone-type fishway adopts three flow rates in the hydraulic experiment—0.016cms, 0.032cms, and 0.048cms. In the sediment transport test, the tested flow rates are 0.032cms and 0.048cms. Two average granule diameters of adding sediment are 9.27mm and 10.77mm. The total experimental time is 200 minutes, with 100 minutes for adding sediment and another 100 minutes for water cleaning.

改善后鱼骨型鱼道在水理试验方面，采用三种流量0.016cms、0.032cms及0.048cms，排砂试验方面，试验流量为0.032cms及0.048cms，加砂之平均粒径为9.27mm及10.77mm两种，试验时间为加砂100分钟后，再清水冲刷100分钟，共200分钟。

The utility mode comprises a float chamber(1),a float(2), a meter tube(3), a spacing ring(4), a collar(5), and a guiding ring(6), the float(2) is arranged inside the spacing ring(4), the meter tube (3) is a conical tube, the core-and float flowmeter(3) is a guiding cylinder with different diameters, the guiding cylinder matches for the inner wall of the meter tube.

包括浮子室(1)，浮子(2)，测量管(3)，限位环(4)，挡圈(5)，导向环(6)，所述的浮子(2)的上端置于限位环(4)内，所述的测量管(3)为锥形管，所述的浮子(2)为直径不等的导向圆柱体，该导向圆柱体与所述的测量管(3)的锥形内壁配合。

When Ni concentration is 0.03 mol/L, the uniform flower-like Ni2 microspheres with average diameters of about 2 μm were obtained and composed of nanoflakes with length of about 400 nm and thickness of about 60 nm.

当溶液中Ni浓度为0.03 mol/L时，花状微球粒径分布较均匀，平均粒径约为2 μm，微球由花瓣长度约为400 nm、厚度约为60 nm的纳米片花瓣组成。

The diameters and depths of lacrimal fossa, and its thickness of inner wall were detected.

观察泪囊和鼻泪管在鼻腔外侧壁的投影和毗邻关系，测量泪囊窝的长径、前后径、深度。

Figures 5 and 6 are the surface separation topologies of worm gear cut by hob cutter with pitch diameters of 74 and 73.6 mm, respectively.

图5和图6是表面分离拓扑减少蜗轮滚刀刀与音高直径74和七十三点六毫米分别。

It is equivalent to the geocentric ratio of diameters of the Moon and Sun.

等价于以地球为基准太阳月球的直径比率。

Four types of arrays of single carbon nanotubes, with field emitter diameters of 1μm, 0.6μm, 0.4μm and 0.2μm, were fabricated, respectively, by combining conventional ultraviolet lithography and the recently-developed technique of "aperture reduction via varying glancing angle".

通过普通的紫外光刻工艺，结合"变倾角缩口"新技术，研制了不同发射单元尺寸的碳纳米管阵列阴极。扫瞄电镜分析表明，随着缩口尺寸的依次减小（从0.6μm到0.4μm，最后到0.2μm），发射单元内CNTs的根数也不断减少。

The analyses show that these carbon nanotubes have large inner diameters and good graphitization.

分析结果表明：用这种方法制备的碳纳米管不仅内径较大而且石墨化程度较高。

Preparation of three group of liposome that the mean diameters were 35~65 nm and the entrapment efficiency were 50~80%.

此三组所制备出的微脂粒平均粒径大小为35~65 nm，包埋率在50~80%之间。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。