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小孔径
相关语句
  small pore diameter
    Thermal decomposition properties of titanium hydride and Al alloy foam with low porosity and small pore diameter
    氢化钛热分解特性与小孔径低孔隙率泡沫铝合金
短句来源
    In this paper, the Al alloy foam with small pore diameter (D<1mm) low porosity (65% <Pr <75%) is successfully prepared.
    本文制备了小孔径(D<1mm)、低孔隙率(65%<Pr<75%)泡沫铝合金。
短句来源
    According to this rule, a set of samples of Al alloy foam with small pore diameter (D<1mm) and low porosity (65%<Pr<75%), possessing high yielding strength, high specific stiffness, high apparent Young’s modulus and large compression energy absorption capacity, have been prepared successfully.
    据此规律,成功地制得了小孔径(D<1mm)、低孔隙率(65%<Pr<75%)泡沫铝合金试样。
短句来源
    The results show that at 940 K and during the stirring time period of 30~80 s, the porosity of the Al alloy melt foam is kept constant while the pore number increases and pore diameter decreases, which is a new method to fabricate Al alloy foam with high specific stiffness, low porosity and small pore diameter.
    结果表明 :在94 0K时 ,发泡剂氢化钛分解的 30~ 80s内 ,随着均匀分散时间的延长 ,铝合金熔体泡沫的孔隙率保持恒定 ,但孔数增多 ,孔径变小 ,由此获得了制备高比刚度、小孔径和低孔隙率泡沫铝合金的新途径。
短句来源
  “小孔径”译为未确定词的双语例句
    The preparation process of titania nanoarrays in sol-gel template method was studied. It was found that the sol could enter the pores more easily in a certain negative pressure condition.
    研究了Sol-Gel模板法制备氧化钛纳米阵列的过程,发现在一定的负压条件下,可以使溶胶顺利进入模板的孔中,解决了采用高浓度溶胶、小孔径模板难以通过Sol-Gel模板法合成纳米阵列的难题,并成功地合成了高质量、小直径的氧化钛纳米线和纳米管阵列。
短句来源
    The pores, diameter between 10 and 50 nm and diameter between 500 and 1000 nm, were significantly decreased, while the middle pores, diameter between 50 and 500 nm, were greatly increased, which makes great improvement in pore structure reconstruction and formed remarkable peak of pore volume.
    ⑵压汞仪测定结果显示,水合爆蒸促使CaO样品50~350纳米的孔隙容积得到明显提高,部分样品在容积分布上出现代表特征孔径的“容积峰”,同时各样品在10~50纳米小孔径和350~1000纳米大孔径范围的孔隙有不同程度的削减;
短句来源
    The effects of mixing a big cell size with a small cell size in different size and volume proportion on mechanical properties of the open-cell aluminum were investigated by experimental research and using finite element simulation.
    本文还用有限元模拟和实验方法相结合,研究了泡沫铝中大、小孔径的泡孔按不同比例相混合的结构对力学性能的影响。
短句来源
    The results show that in low frequency of wave section,the aluminum alleged foam plank in big aperture is better than in smog aperture and in middle frequency of wave section,the conclusion is opposite.
    研究结果表明:在低频段,大孔径泡沫铝板的吸声系数大于小孔径泡沫铝板的吸声系数。 在中频段,结论与之相反。
短句来源
    The results indicated that the thermal conductivity of the coating in the temperature range from room temperature to 900 ℃ was 0.5565~0.6479 W/(m×K). It was found that there existed a great deal unmolten fine particles and many micro-pores in the coatings, which were in great favor of reducing the thermal conductivity and improving the heat insulting effect.
    结果表明,从室温至900℃涂层的热导率范围为0.5565~0.6479W/(m×K),涂层中存在大量未完全熔化的纳米颗粒和小孔径孔隙,对降低涂层的热导率,提高涂层的隔热性能极为有利。
短句来源
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  small pore diameter
We analyzed incoherent inelastic neutron scattering spectra of water confined in a nanoporous Gelsil matrix, with very small pore diameter (26??).
      
As the content of absorbent polymer increased, the porosity values decreased and mean pore diameter shifted to small pore diameter region.
      
The nitrogen adsorption-desorption analysis reveals that the prepared mesoporous silica possesses a small pore diameter of 3.68 nm, a total surface area of 363.648 m2/g, a total pore volume of 0.379 cm3/g, and a pore-wall thickness of 6.63 nm.
      
The small pore diameter for SBA-1 may be due to its cage-type pores constructed with small windows.
      


The acoustic absorption regularity of the compound aluminum alleged foam planks is studied by means of standing wave tube.The results show that in low frequency of wave section,the aluminum alleged foam plank in big aperture is better than in smog aperture and in middle frequency of wave section,the conclusion is opposite.The air stratum thickness can improve acoustic absorption characteristics of compound aluminum alleged foam plank up to 2000 Hz.The sound absorbing in identical air stratum thickness is...

The acoustic absorption regularity of the compound aluminum alleged foam planks is studied by means of standing wave tube.The results show that in low frequency of wave section,the aluminum alleged foam plank in big aperture is better than in smog aperture and in middle frequency of wave section,the conclusion is opposite.The air stratum thickness can improve acoustic absorption characteristics of compound aluminum alleged foam plank up to 2000 Hz.The sound absorbing in identical air stratum thickness is better than in single aperture.

利用驻波管法研究了组合泡沫铝板在孔径不同、空气层厚度不同时的吸声系数变化规律。研究结果表明:在低频段,大孔径泡沫铝板的吸声系数大于小孔径泡沫铝板的吸声系数。在中频段,结论与之相反。空气层厚度能改善2 000Hz 以下频段的组合泡沫铝板的吸声特性,同等厚度时的组合泡沫铝板的吸声特性好于单一孔径的泡沫铝板

A simplified method of determining pore size of porous materials by bubbling test is presented The maximum,average and minimum pore size can be quickly obtained by this method

本文论述了气泡法测量多孔材料孔径的简化解析法。该方法能够简洁、快速、明了的给出最大孔径、平均孔径和最小孔径

Thermal decomposition properties of titanium hydride are acquired by temperature programmed decomposition (TPD) apparatus with metal tube structure, in which Ar is used as a carrier gas. The relationships between the porosity of Al alloy melt foam and foaming time at 940 K are gained by displacement sensor-computer system. Pore structures of Al alloy melt foam with different stirring time of titanium hydride in the Al alloy melt are studied by image analysis method. The compressive properties of the Al alloy...

Thermal decomposition properties of titanium hydride are acquired by temperature programmed decomposition (TPD) apparatus with metal tube structure, in which Ar is used as a carrier gas. The relationships between the porosity of Al alloy melt foam and foaming time at 940 K are gained by displacement sensor-computer system. Pore structures of Al alloy melt foam with different stirring time of titanium hydride in the Al alloy melt are studied by image analysis method. The compressive properties of the Al alloy foam are studied. The results show that at 940 K and during the stirring time period of 30~80 s, the porosity of the Al alloy melt foam is kept constant while the pore number increases and pore diameter decreases, which is a new method to fabricate Al alloy foam with high specific stiffness, low porosity and small pore diameter.

采用金属管道氩载气流中的程序升温分解装置获得了氢化钛的热分解特性 ;运用位移传感器计算机系统获得了铝合金熔体保温泡沫化过程中孔隙率与保温发泡时间的关系 ;用图像分析法研究了氢化钛在铝合金熔体中均匀分散时间对泡沫铝合金熔体孔结构的影响 ;研究了不同孔隙率泡沫铝合金的压缩力学性能。结果表明 :在94 0K时 ,发泡剂氢化钛分解的 30~ 80s内 ,随着均匀分散时间的延长 ,铝合金熔体泡沫的孔隙率保持恒定 ,但孔数增多 ,孔径变小 ,由此获得了制备高比刚度、小孔径和低孔隙率泡沫铝合金的新途径。

 
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