本文从两个方面介绍了土体物理性质的分形研究:(1)分形用于定量描述土体的的密度,孔隙表面积等物理参数;
This paper reviews the applications of fractals in research of physical properties of soil:(1)fractals have been used to describe physical parameters of soil such as density and specific surface area;
低孔低渗、微孔喉为主、大孔隙表面积和亲油性决定其主要成为储气层,并控制着凝析气藏的聚集、油气分布、开采中产能及油气性质的变化。
The tiny diagenesis cracks are mainly the reservoir space of condensate gas. The reservoir rock is characterized by low permeability and porosity, tiny throat, larger surface and affinity for oil.
石油焦的比气化反应速率与孔隙结构有着紧密的关系,比气化反应速率和有效比表面积之间有着较好的线性关系。
The reactivity has a close relationship with pore structure. There is a good linear relation between the specific gasification rate and the effective specific surface area.
研究结果表明,催化剂的比表面积和孔结构是在还原脱氧过程中产生的,还原前的催化剂可视为无孔隙的致密固体。
The results show that the catalyst specific area and its pore structure is generated during the reduction process and the catalyst before reduction can be regarded as a compact solid with little pore.
特别是碳纳米管丰富的孔隙结构和高比表面积,使其成为最有前途的气、湿敏材料之一。
Especially, the abundant pore structures and high surface area make it one of the most promising gas and humidity sensing materials.
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.
项目建设背景:活性炭具有发达的孔隙结构,有很大的表面积和吸附能力,因此该产品应用范围相当广泛,其中用量最多的是在环境保护领域。
Project Background: Active carbon is widely used due to its developed hole structure and prodigious surface area as well as adsorption capability, especially most used in environment protection area.
对于稻壳、树叶、棉花杆、玉米杆四种生物质焦,通过压汞法测量了其在大孔和部分中孔范围内的孔隙结构,发现热解温度、热解保持时间、热解快/慢速都会影响着焦样的比表面积和平均孔径。
The results show that pyrolysis temperature, pyrolysis time and pyrolysis rate have an obvious effect on the special surface area(SSA) and average pore size(APS) of the biomass chars.
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.
相比于原污泥,污泥吸附剂比表面积显著增大,孔隙结构以中孔为主。
Compare to raw sludge, the surface area increased tremendously and porous structure was mainly mesoporous.
该产品价格孔隙结构发达、比表面积大,吸附性能、机械强度高、床层阻力小、化学性能稳定,易再生。
The product is well-developed pore structure, surface area, adsorption, high mechanical strength, bed resistance, chemical stability, easy regeneration.
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.
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.
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.
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.
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…
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.
鉴于孔隙比表面积的测量比较困难,给出了表面分形维数的间接算法。
In view of that it is difficult to measure the specific surface area, this paper propose a indirect algorithm of surface fractal dimension.
鉴于孔隙比表面积的测量比较困难,给出了表面分形维数的间接算法。
In view of that it is difficult to measure the specific surface area, this paper propose a indirect algorithm of surface fractal dimension.
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