结果表明,影响最大的参数为温室覆盖材料对太阳辐射和热辐射的透射率以及作物占温室土壤表面积的比例。
The results show that the solar and thermal infrared transmittance of the cover and the proportion of soil surface occupied by vegeta (?) appear as the most influential parameters.
碳气凝胶是一种新型多孔碳材料,具有比表面积大、电导率高的特点。
Carbon aerogels are a kind of new porous carbon materials and have high specific surface area and conductance.
同时分析了孔隙率和催化剂表面积对催化剂层性能的影响。
The influence of porosity and active catalyst surface area on the performance of cathode is analyzed as well.
通过对石油焦燃烧过程中不同燃尽率焦样的比表面积和孔容积的测定,表明石油焦的比表面积和孔容积先增大,后减小到一定数值,最后再增大。
According to measurements, the specific pore surface area and pore volume of petroleum coke (PC) during combustion were found to: first increase, then decrease and increase again.
该碳纳米结构表现出高表面积、高孔隙率和高石墨化程度。
The carbon nanostructures exhibit high surface area, high porosity, and high graphitization.
该填料因具有较大孔隙率和比表面积且结构呈针状,对大气泡可有效切割,氧传递系数较大。
The oxygen transfer coefficient is bigger relatively because of its big void rate and specific surface area.
收缩率随着水泥石比表面积、结合水含量的增加而增加。
The shrinkage factor increases with the increase of specific surface area and the amount of banded water in hardened cement pastes.
电纺纤维织物的空隙率高、比表面积大、构架织物的直径处于纳米级别。
The electrospun fiber textile is characterized by high void content and great specific surface area, and the diameters of fibers are in nanometer scopes.
消化产物的特性主要有生石灰的转化率、消化产物的粒径和比表面积等。
The lime slaking rate is the important factor of the quality of the hydrated production.
测试比表面积、电阻率、孔径分布情况、空气电极的极化曲线、放电性能。
Specific surface area, resistivity, and distribution of pore diameter of air electrode were measured. Polarization curve and operating performance of air electrode have been tested.
分形特征与水泥宏观性质,如净浆流动度、比表面积、减水率之间存在较好的相关性。
The author calculates the fractal dimensions and find the rule of fractal dimensions and cement specific surface area, cement paste fluidity as well as water reducing ratio.
随着平均粒径的增加,超细羽绒粉体的体积表面积不断增加,溶胀率也逐渐增加。
The property of swelling was increased with the increasing average diameter of down powder.
分析了比表面积、平均孔径、孔隙率等孔隙特性参数对扩散的影响,获得了分形多孔介质中气体扩散系数与平均孔径的函数关系。
The effect of pore characteristics on gas diffusion was analyzed. The relationships between the specific area, average pore diameter and porosity with the diffusion coefficient were obtained.
由于固体抗粘剂多具有极大的比表面积和空隙率,对难溶性药物有一定的分散作用。
And Aerosil could be used as dispersing agent due to its large specific surface area, high porosity and unique adsorption properties.
鸡毛纤维具有中空的管状结构,它们在加热时发生交联,使得它们的孔隙率和表面积增加。
Chicken feather fibres have a hollow, tube-like structure which, when heated, develops that increase their porosity and surface area.
利用接收信噪比矩母函数和误符号率之间的关系,并且对复球体的球帽表面积做近似处理得到误符号率的下边界。
Exploiting the relation between MGF of the received signal-to-noise ratio (SNR) and SER, the lower bound of SER is obtained by utilizing the approximation of complex cap surface in this dissertation.
研究表明:烧结石墨滤料具有比表面积大、吸附能力强、孔隙率高、截污能力强、过滤周期长产水量高,基建投资省等优点。
The results show that the sintered graphite medium has the advantages of higher specific filtration surface area, larger contaminant capture capacity, and cost effective.
不同孔隙率和比表面积的石油焦,其气化反应速率曲线变化趋势不同;
The specific surface area and pore volume increase with carbon conversion during steam gasification.
并通过实例,对柿子干制时的体积收缩率和表面积收缩率进行了计算。
Introducing the example, volume and coverage shrinkage rate of persimmon were calculated.
孔隙率较高,孔比表面积主要分布于孔径较小的微孔和过渡孔段,孔隙的连通性较差,煤层渗透率极低;
The distribution of pore surface area is mainly in micro and transitional pore; the pore connectivity is poor and the permeability of coal seam is extre…
测量了比表面积和得率,孔径分布,用碘吸附值、亚甲基兰吸附值测定了中空活性炭纤维的吸附性能,用SEM观察了其表面结构。
The specific surface area, pore size and yield ratio have been measured. Iodine and Methylene blue adsorption were used to study the adsorption capacity of ACHF.
本实用新型具有较 大的空隙率和比表面积,提高气液两相间的传质效率。
The utility model has larger void ratio and specific surface area and also increases the mass transfer efficiency between gas and liquid when used as packing in the packing tower.
结果表明,所得磁性粒子具有粒径均一可控、饱和磁化率高、磁响应性可控、比表面积大和超顺磁等优点,基本满足磁性色谱分离固定相的要求。
The results showed that the magnetic microspheres were uniform, well dispersed, highly porous and magnetizable, which make them ideal for use as packing materials in chromatography.
计算结果表明,干制后形状呈球台体较球体的体积收缩率和表面积收缩率均小,有利于表观质量的提高。
The result shows that volume and coverage shrinkage rate of persimmon in sphere cylinder are smaller than in sphere. Drying persimmon in...
计算结果表明,干制后形状呈球台体较球体的体积收缩率和表面积收缩率均小,有利于表观质量的提高。
The result shows that volume and coverage shrinkage rate of persimmon in sphere cylinder are smaller than in sphere. Drying persimmon in...
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