• 催化剂具有体积、大径等特点

    The new domestic made catalyst was characterized by large pore volume and large pore diameter.

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  • 表面体积减小孔体积增大

    The surface area and microporous volume decrease, while mesoporous volume increases.

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  • 目的制备不同孔体积微丸考察物理特性压缩特性

    OBJECTIVE To prepare pellets with different porosity and study its physical properties and compressibility.

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  • 所得材料体积、平均随着金属氯化物添加增大而增大

    As the content of metallic chloride is increased, the pore volume and pore diameter of the material increase.

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  • 随着焙烧温度升高,比表面积体积略有减少,表观密度增大

    The apparent density increased with the increase of calcination temperature, while the surface area and pore volume decreased little.

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  • 研究了表面活性剂与比例对介材料结构、比表面积、径分布、孔体积参数影响

    We have studied the effects of the ratio of surfactant to sodium silicate on the structures and properties of mesoporous materials.

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  • 采用循环伏安法,位于氧气进行耗尽式电化学还原反应,其所消耗电量用于疏水体积率的测定

    The consumed charge of exhaustive electrolysis of oxygen in the pores of TLGE in cyclic voltammetry is used to measure the total hydrophobic pore volume of both catalytic and non catalytic membranes.

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  • 为使过滤材料使用达到令人满意的性能,要求过滤介质具有适宜尺寸分布体积表面积渗透性

    Filtration media is required to have suitable pore size, pore size distribution, pore volume, pore surface area and permeability for performing satisfactorily in applications.

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  • 采用普通干燥法制备得到的复合氧化物具有较低体积表面积,颗粒间团聚严重无“孤岛”状大颗粒,无定型结构。

    But the CeO2-TiO2 mixed oxides prepared by conventional drying method show lower pore volume and surface area with serious aggregation, and amorphous phase compared to the corresponding aerogels.

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  • 配的不同质量分数1#混合2#混合酸分别对武汉石化催化裂化平衡进行脱金属处理,并对处理后催化剂体积进行了考察。

    The pore volumes of FCC equilibrium catalyst from Wuhan Petrochemical Complex demetallized by mixed acids 1# and 2# with various mass fractions were studied.

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  • 一种具有优化二级结构Y沸石及其制备方法,该沸石的XRD相对结晶度70%以上,二级体积占总孔体积百分数为20 ~ 80%。

    The Y-type zeolite with optimized secondary pore structure has an relative XRD crystallinity over 70 % and a secondary pore volume of 20-80 % by total pore volume.

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  • 岩石裂缝可能很大形成了基本岩石内体积

    Fractures also may be quite large and contribute substantially to the volume of pore openings in the rock.

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  • 是否可以根据岩样渗透率大小反演岩样体积分布或者反演毛管压力曲线

    So if we can inverse the distribution of pore throat or the capillary pressure curve by the pore and permeability data of the core?

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  • 工业广泛使用板流量计测量气体体积流量。

    It has been widely accepted by the industry for measuring gas volumes.

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  • 基于阶梯环件轧制体积流动规律,提出了阶梯环件轧制用毛坯设计原理方法,并进行轧制实验验证

    The blank design principle and method for rolling ring with stepped hole is developed based on the volume flow law and the comparison to the ring rolling experiment is done.

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  • 应用声波进行体积混凝土结构裂缝检测有效地解决上述问题

    The application of inter borehole acoustic wave method to probing deep cracks in mass concrete can effectively solve the above mentioned problems.

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  • 运用有限应变理论可以扩张塑性区内平均体积应变以解析方法导出方便数值化计算。

    By incorporating the theory of finite strain, the model is capable of evaluating the mean volumetric strain analytically, thus facilitating the procedure of numerical calculation.

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  • 微差爆破技术成功地拆除了复杂环境下四个体积桥墩

    By use of deep-hole millisecond blasting technique, four large-volume bridge piers under complicated circumstances were successfully demolished.

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  • 单独气缸芯子直接安装模具里面,要求气缸接触处光滑要求比较高,体积比较小

    Single cylinder core, can be installed into the mould directly, require smoothness at the connection with the cylinder, high requirement of the hole drilling, smaller volume.

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  • 根据砂岩模型研究砂岩直径体积位数之间内在的规律

    Based on sandstone pore throat model to study inherent regularities among sandstone throat pore diameter ratio, throat pore volume ratio and throat pore coordination number.

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  • 采用现代测试方法测定了样品理化性能观察分析了样品的显微结构,探讨了影响陶瓷滤料特性体积密度的诸因素

    The properties and microstructure were observed and analyzed by the modern test method. Factors that influenced ceramic pore feature and volume density were discussed.

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  • 四倍体刺槐自身花粉形状结构之间表现出丰富变异体积与形状多样,萌发数量位置不固定,外壁表面纹饰特征彼此不同等等;

    There were remarkable variations in the shape, volume, location and number of bourgeon -hole channels and veins on surface of pollen among pollens of TRP.

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  • 使用有限体积计算飞行时气动载荷分析了前缘切口压强分布影响

    The finite volume method was used to compute the aerodynamic load, and the effect of leading-edge cut and ribs on the pressure distribution was analyzed simultaneously.

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  • 射击特征形成不同球体四个外部互换照射头盔配有直径4,8,14,18毫米的射线,以照射不同体积病灶

    Shots can be represented as different spheres. Four interchangeable outer collimator helmets with beam channel diameters of 4, 8, 14, and 18 mm are available for irradiating different size volumes.

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  • 基于阶梯件轧制体积流动规律,提出了阶梯轧制毛坯设计原理方法进行轧制实验验证。

    The blank design principle and method for rolling ring with stepped hole is developed based on the volume flow law and the comparison to the rin

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  • 基于阶梯环件轧制体积流动规律,提出了阶梯环件轧制用毛坯设计原理方法,并进行轧制实验验证。

    The blank design principle and method for rolling ring with stepped hole is developed based on the volume flow law and the comparison to the ring rolling experiment is …

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  • 实验结果表明,单位装填体积催化剂穿表面越大,则对应体积空速催化剂活性越

    The resu1ts show that the larger the pore volume and surface area based on loading volume of hydrotreating catalyst, the higher of the catalyst activity based on LHSV.

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  • 指出豫38记录地震波井的含水系统一起组成丁一个巨大的体积应变仪,具有灵敏地反应地壳应变的能力。

    This well along with the ambient aquifer system means a sensitive volumetric strain-meter to the earthquakes, and to the crustal deformation as well.

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  • 指出豫38记录地震波井的含水系统一起组成丁一个巨大的体积应变仪,具有灵敏地反应地壳应变的能力。

    This well along with the ambient aquifer system means a sensitive volumetric strain-meter to the earthquakes, and to the crustal deformation as well.

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