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基本孔径
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  “基本孔径”译为未确定词的双语例句
     The increase in the firing temperature decreases the range of the pore size distribution, with the principal pore diameter keeps relatively constant.
     烧成温度的提高,使SiC多孔陶瓷的气孔尺寸分布范围缩小,但基本孔径不变;
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     The basic principle of coded aperture imaging is described in this paper.
     本文论述了编码孔径成像的基本原理.
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     This paper presents the principle and some fundamental concepts of mean-flow pore diameters during filter tests.
     阐明了中流量孔径基本概念和原理。
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     (2)essential features;
     基本特征;
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     basic principles;
     基本原理 ;
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     A Preliminary Study on Synthetic Aperture Ladar
     合成孔径激光雷达
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In this paper, we propose three new basic apertures in rotating aperture method: rectangle-located-aperture and parallelogram-located-aperture and right-triangle-located-aperture. Theoretical analysis and experimental demonstration are presented. By using these new apertures, the utilization ratio of information of a specklegrain is increased, the intensity distribution of diffraction halo becomes more reasonable and the N/S ratio is enhanced, so the speckle fringes are clearer and the experimental errors are...

In this paper, we propose three new basic apertures in rotating aperture method: rectangle-located-aperture and parallelogram-located-aperture and right-triangle-located-aperture. Theoretical analysis and experimental demonstration are presented. By using these new apertures, the utilization ratio of information of a specklegrain is increased, the intensity distribution of diffraction halo becomes more reasonable and the N/S ratio is enhanced, so the speckle fringes are clearer and the experimental errors are less.

本文提出了旋转孔径散斑照相法中三种新颖的基本孔径:矩位孔、平四位孔和直三位孔,进行了理论分析和实验证明。采用新孔径拍摄散斑照相,散斑信息利用率高,衍射晕能量分布合理,信噪比提高,因而散斑条纹清晰度得到改善,相应的实验误差减小。

The silicon carbide particles were employed as the skeleton material, while the mixture of feldspar and clay in eutectic composition to form the glassy grain-boundary phase serving as the binder to hold the SiC grains together, particulate carbon to be oxidized and generate pores. Slip casting process was investigated and some properties of the porous ceramics were discussed. The isoelectric Zeta potential point of the SiC particles corresponded to the pH value of 5.2, and the pH values of the slurry were controlled...

The silicon carbide particles were employed as the skeleton material, while the mixture of feldspar and clay in eutectic composition to form the glassy grain-boundary phase serving as the binder to hold the SiC grains together, particulate carbon to be oxidized and generate pores. Slip casting process was investigated and some properties of the porous ceramics were discussed. The isoelectric Zeta potential point of the SiC particles corresponded to the pH value of 5.2, and the pH values of the slurry were controlled between 8 and 12 to provide the perfect stability and fluidity. The increase in the firing temperature decreases the range of the pore size distribution, with the principal pore diameter keeps relatively constant. The neck-bridging structure exists among the SiC grains due to the viscous flow of the grain-boundary phase at high temperatures, which helps to improve the binding behaviour. The oxidation product of SiC reacts with the grain-boundary phase, and leads to the precipitation of needle-like mullite crystals, which gives rise to the abnormal increase in the strength of the porous ceramics.

选用SiC颗粒作为多孔陶瓷的骨料材料,长石、石英、粘土组成的低共熔混合物形成晶界玻璃相结合剂,活性炭作为成孔剂,采用注浆成型工艺,对多孔陶瓷的性能进行了研究.SiC骨料颗粒的Zeta电位等电点对应的pH值为5.2,注浆浆料的pH值在8~12的范围内具有很好的流动性和稳定性;烧成温度的提高,使SiC多孔陶瓷的气孔尺寸分布范围缩小,但基本孔径不变;晶界玻璃相的高温粘性流动在SiC晶粒之间形成“桥架”结构,提高了两者之间的粘结能力;高温下,SiC颗粒的氧化产物参与晶界反应,生成新的针状莫来石相,使SiC多孔陶瓷的强度出现异常提高.

 
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