- 更多网络例句与大孔隙相关的网络例句 [注：此内容来源于网络，仅供参考]
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In general, smaller grain size and greater angularity tend to increase the porosity while an increase in range of particle size tends to decrease porosity.
通常，颗粒越小曲率越大孔隙度越大，而当颗粒尺寸增大时孔隙度会减小。
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The results show that there are two types of pore in the sintered alloy, i.e., one is coarsen pores with diameter more than 30μm, the other is thin pores with diameters less than 10μm. These two types of pore evolve from two voids in green compacts respectively.
研究结果表明：合金中的孔隙主要有2种类型，即粒径为30μm左右的大孔隙和粒径在10μm以下的小孔隙，这2种孔隙分别由生坯中的2种主要间隙在烧结过程中演变而成。
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Because of the distribution of macropore exhibit fractal rule, fractal theory can be used to study the structure of macropore.
由于土壤大孔隙的分布呈现分形规律，因此可以采用分形理论研究土壤大孔隙结构。
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Acne, Age Spots, Scars, Sun-Damaged Skin, Tattoos, White Spots, Semi Permanent Makeup, Hormonal Mask, Liver Spots, Large Pores, Hyperpigmentation, Pimples, Fine Lines, Freckling, Stretch Marks, Crow''s Feet, Flaky Skin, Lip Creases and More!
痤疮凹陷疤痕、高龄伤疤，太阳损皮，纹身、白斑点，半永久性化妆损害、荷尔蒙遮蔽、肝点、大孔隙、色素沉着、青春痘疤痕、缺乏弹力皮肤、污点，皮肤皱痕、唇襞等！
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This paper took the paddy soil after saving-water irrigation as the object,which is from Taian town of Yangzhou city, selected microtomy to get undisturbed soil samples respectly between two periods(before irrigation and after harvest), built up the analytical technique of numerical picture system.It also set up the analysis index of macropore structure,such as the number of macropores N, the macroporosityφ,the area A, the perimeter P and so on. Meanwhile make analysis contrast about horizonal distribution among 4cm, 6cm and 8cm scanning areas, vertical differences per 2cm unit and contrast in time between different periods.
本文选取扬州市泰安镇节水灌溉后稻田土壤为研究对象，采用切片法取开灌前和收割后的原状土样，运用数字图像制备技术，获取大孔隙数目N、大孔隙度Φ、面积A、周长P等分析指标，对4cm、6cm和8cm扫描直径内大孔隙作水平向差异性分析，对2cm单位深度上作垂向差异性分析以及对两个不同时期作时间差异性分析。
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The content included (1) characterizing macropres shapes;(2) obtaining the index to charaterizing soil macropore quantificationally through digitalizing and analysising the photo of soil section;(3) comparing the shapes of macropores among soils, which reasons were discussed;(4) studying the influence of the zonal diversity, soil depth and land utilization on macropore characeristics;(5) estimating the space variability of macropore in the microscale using spore variability index;(6) analysising the connectivity and sinuosity of macropore using preferential flow breakthrough curve;(7) discussing the feasibility of indicating the preferential flow degree using macroporosity and macropore perimeter.
系统划分了大孔隙类型；描述了大孔隙形态；通过对土壤切片图像数字化处理和分析，获得了描述大孔隙特征的两个基本指标：大孔隙度和周长，并对大孔隙进行了定量化地描述；比较了各土类之间大孔隙的形态差异，从土壤发生学的角度对其原因进行了分析；研究了地带性差异、土壤层次和土地利用方式对大孔隙特征的影响；阐明了小尺度范围大孔隙的空间分布特征；结合Br〓标记优先水流穿透曲线分析了大孔隙的连通性和弯曲性，探讨大孔隙形态指标评价大孔隙优先水流作用强弱的可行性。
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Macropore characteristics of main type soil--krasnozem, crimson loam, phaeozem and brown loam was firstly studied using soil section photography on the horizontal and vertical profiles in order to farther investigate the preferential transportance of soil water and solute.
中文题名土壤大孔隙特征的研究副题名外文题名 Characterizing macropores in soil 论文作者刘伟导师区自清研究员学科专业土壤学研究领域\研究方向学位级别博士学位授予单位中国科学院沈阳应用生态研究所学位授予日期2001 论文页码总数165页关键词土壤物理土壤大孔隙馆藏号BSLW /2003 /S152 /2 本文应用双剖面土壤切片成像法结合土壤优先水流穿透曲线，首次研究了4种主要地带性土壤：红壤、赤红壤、黑土和棕壤的大孔隙特征。
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The revetment is made up of many single permeable tetrahedrons,and has much gap,so the group of permeable tetrahedrons can be treat as the porous media with large porosity.
四面体透水框架群是由很多单个四面体框架抛投而成，具有很大的空隙，因而，可以将框架群看成由很多框架杆件和大的孔隙组成的大孔隙率多孔介质。
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Determining the structure of macropore can better understand and predict the behavior of water and solutes in macroporous soil, and help to protect the environment of underground water.
确定土壤大孔隙结构，可以很好地理解和预测水及溶质在有大孔隙土壤中的运移，保护地下水环境。
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Adopting ameliorated flat arrow-like opener, the machine can cut off the continuity of soil macropore flow; form a compact fertilizer strip on the base of ridge, which can decrease nitrogen leaching by macropore flow. The machine makes use of single-disk to form ridge on the fertilizer strip.
采用改进后的平底箭铲式施肥开沟器能够阻断土壤中大孔隙流的连续性，在垄底形成一致密的施肥带，减少了氮肥在土壤中随大孔隙流的淋溶迁移。
- 更多网络解释与大孔隙相关的网络解释 [注：此内容来源于网络，仅供参考]
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open gash：开口裂缝
"开形","open form" | "开口裂缝","open gash" | "大孔隙","open grain"
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gneiss：片麻岩
片麻岩(gneiss) 具片麻状构造的,主要成分为长石、石英、云母的变质岩. 片麻状构造(gneissic structure) 岩石...理论研究和实际工程中,常用大、中小和微孔隙、角砾、砂粒和粉粘粒、三大矿物(石英、长石和粘土矿物)含量等指标表征这3方面的特征.3方面指标在一定范围上变化幅度多大?
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porosity：孔隙度
愈来愈厚的沉积物,使其下的生物层压力、温度升高,於是发生一连串复杂的化学变化,把生物体变成小油滴及气泡,压力更大时,沉积物经过岩化作用(Lithification)变成沉积岩,小油滴及气泡被挤至附近孔隙度(Porosity)较大的砂岩中(Sandstone).
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silt：粉土
含水层一般是颗粒比较大的固体所组成,像是砂(sand)或是砾石(gravel),因为颗粒大孔隙多而且连通性好,里面有很多孔隙水,所以称为含水层;阻水层是颗粒很小的固体所组成,像是粘土(clay)或粉土(silt),里面虽然孔隙更多但连通性很差,
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void ratio：孔隙比
孔隙比(void ratio)是指材料中孔隙体积与材料中颗粒体积之比,是反应材料密实程度的重要物理性质指标. 一般用e代表,e越大材料越疏松,反之,越密实.
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larmier：飞檐
large pored concrete 大孔隙混凝土 | larmier 飞檐 | larry 拌浆锄
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large pored concrete：大孔隙混凝土
large panel structures 大型镶板构造 | large pored concrete 大孔隙混凝土 | larmier 飞檐
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high air void cement-stabilized crushed stone mixture：大孔隙水泥稳定碎石混合料
加筋水泥土:cement-soil mixture | 大孔隙水泥稳定碎石混合料:high air void cement-stabilized crushed stone mixture | 灰土桩复合地基:the composite ground formed by lime-soil pile
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MACS：多元自控系统
macrovoid ratio 大孔隙比 | MACS 多元自控系统 | MACS 中高度通信卫星
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pore water pressure：沉降
孔隙率:pore ratio | 沉降:pore water pressure | 大孔隙:macro-pore