根据传统观点,液态的水分子也是类似排列,尽管不那么严格,额外的分子会被包进四面体孔隙里。
According to the conventional view, liquid water has a similar, albeitless rigid, structure, in which extra molecules can pack into some ofthe open gaps in the tetrahedral arrangement.
压汞法是定量研究砂岩孔隙空间结构特征参数的一种新方法,与铸体图象法相比,更具定量研究价值和实用价值。
The pressuring mercury way is a new method to quantitatively study sandstone pore structure characteristic parameters. It has better quantitative and practical value than image way.
表明:温度及孔隙压力的改变会对巷道的稳定性产生一定的影响,特别是对于软弱岩体。
Indicate: the change of temperature and pore press will produce certain influence to the stability of roadway, especially to weak rock.
结果表明:经过喷雾干燥处理过的偏钨酸铵粉末颗粒呈球壳状,粉末体孔隙率高达71。
The results show that the AMT powder with a special spherical shell structure exhibiting a high porosity of 71.
T2团聚体发育差,缺乏多级孔隙,形成的高径流量和溅蚀率使T2、T3的产沙率在相对大的数值范围内变动。
The stability of aggregates of T3, T2 was very low and multilevel pore was few, so soil splash erosion and sediment was very high.
有利的储集相带为水下分流河道砂体和河口砂坝中心的溶蚀孔隙相和绿泥石胶结相。
The favorable reservoirs are dissolution pore facies and chlorite cement facies in the sand bodies of subaqueous distributary channels and center of river mouth sandbars.
基于共振声谱法,研究了同轴孔隙性圆柱扰动体引起圆柱谐振腔共振频率的偏移。
In this paper, the problem of the acoustic resonant frequency shift of a cylindrical cavity with a coaxial porous sample is discussed on the basis of the resonance acoustic spectroscopy.
以渗透系数、孔隙率和应力的关系作为桥梁,当渗流场为非稳定渗流时,建立等效连续岩体渗流的耦合模型。
By the linkage between the seepage coefficient, porosity and stress, the hybrid analysis model for coupled seepage and stress field in rock mass of equivalent continuum is established.
利用自制的破碎岩体多相耦合蠕变试验装置,研究饱和破碎泥岩蠕变过程中孔隙的变化规律。
The variation law of saturated broken mudstone porosity during creep process is studied by using the self-developed multiphase coupling creep test device.
位于地下水位以下的水。地下水是保存在岩石孔隙中的水,可以是同生水、大气水、或与火成侵入岩体伴生的水。
Water in the subsurface below the water table. Groundwater is held in the pores of rocks, and can be connate, from meteoric sources, or associated with igneous intrusions.
煤岩体既有大量的微孔隙又有割理的存在,可以简化为双重介质模型。
Coal rock body is simplified as a double-medium model, including a plenty of micropores and cleats.
与基准水泥浆体相比,煤矸石水泥浆体总孔隙率有所上升,但其孔径后期有所细化。
Total porosity of coal gangue cement paste is higher but its pore size at later age is smaller than that of reference cement paste.
相干体技术有效地反映了地震响应在横向上的变化,可以用来识别构造、地层、岩性、孔隙以及油气的变化情况。
Seismic coherency is a method of lateral changes in the seismic response caused by variation in structure, stratigraphy, lithology, porosity, and the presence of hydrocarbons.
力学性能测试结果表明:添加稀土的富铁胎体及其金刚石复合材料的抗弯强度、冲击韧性和孔隙度均有明显的改善。
The results of mechanical test show that is bending strength, toughness against impact and void ratios can be improved after the rich iron matris is added with rare earth.
通过压汞法毛细管压力曲线和铸体图象分析方法分析孔隙、喉道大小、分布及其几何形状,建立孔隙结构模型。
With mercury injection capillary curve and thin section, hole porosity and throats with their shapes and distributions are studied and porosity structure model is set up.
坯体具有足够的脱模强度、较高的密度均匀性和合适的孔隙率以及尺寸变化率小等特点。
The composite green body is characterized by sufficient strength for demoulding, high density homogeneity, appropriate porosity and little dimensional change rate.
并给出了体变模量、宏观压缩系数和孔隙度之间的关系式。
The relationship between bulk modulus, macro-compressibility and porosity is also given.
河口坝与前缘砂坝接触,酸性水容易进入河口坝,河口坝砂体中的长石受酸性水溶蚀,形成次生孔隙。
The mouth bar contacts with the frontal sand bar and acidic water can easily flow into mouth bar. The feldspar in sand bodies of mouth bar is dissolved and generates secondary pores.
研究了配料组成和前驱体成型压力对多孔碳板的气体透过性能、孔隙率、和电导率等指标影响。
The effects of composition and pressure of its precursor on the properties, such as gas permeability, porosity, and electric resistivity, were studied.
当前裂隙岩体地下水渗流数值模型主要有三种:等效连续介质模型、离散裂隙网络模型和裂隙-孔隙双重介质模型。
Mathematical models of seepage in fractured rock can be classified into: continuum seepage model, discrete fracture network seepage model and continuum-discrete coupling seepage model.
熔体过滤器采用不锈钢金属纤维烧结毡为过滤介质,是一种具有无数不规则孔隙通道和一定厚度的载体。
Fusion filters adopt the stainless steel metallic fibre sintered fibre felt as filtered medium. lt is a carrier with a great amount of irregular pores and certain thickness.
用压汞法测定了离心成形坯体的孔隙率,曲线呈窄的单峰分布,证明了粉体无团聚。
The results show that the distribution curves are one-humped and concentric, which indicates that the powders have no agglomeration.
管道排泄系统的存在使边坡具有良好的渗透性,能有效减小坡体中的渗透力和潜在滑面的孔隙水压力;
When GPDS developed in DCS, the permeability of soil mass would become dramatically larger, and the seepage force of groundwater and pore water pressure on sliding surface would reduce;
结果表明,聚丙烯熔体的温度较低、所受拉伸比较大,所形成的微孔膜孔径分布均匀、孔隙率较高。
The results show that the maximum porosity of the membrane with distributing uniformly pore diameter are increased with the lowering spinning temperature, and increasing melt draft ratio.
刚玉过滤板孔隙呈三维网状结构,过滤效果好,改善了熔体的可纺性,纤维质量得到提高。
Being three dimensional net shaped microporous structure, the corundum filter plate comes to good filteration result and improves the melt spinnability and the fibers quality.
方法通过储集岩中成岩作用、孔隙和裂隙中所充填矿物的世代关系、流体包裹体类型的综合研究,重塑研究区流体活动历史。
Methods By means of the study of crystalline mineral generation relationship and inclusion enclave, the reservoir fluid history has been studied to show where oil source is.
结果表明,孔隙率不变的情况下改变增强体上孔排布方式,可以获得均匀分布的的表面应力和应变;
The results show that the homogeneous stress and strain profiles can be obtained by adjusting the distribution of hole for a given number of holes on the surface of the reinforcement.
根据排水量与体变等效原理,用平均超孔隙水压力的概念推导出一种简化的固结计算式。
According to the theory of equivalent of seepage discharge to volume change, a simplified formula for consolidation is derived from the concept of average excess pore water pressure.
运用瓦斯渗透测试设备,进行孔隙气压对煤体渗透性影响的实验研究。
Experimental study was conducted on the influence of pore gas pressure upon gas permeability with gas permeation test device.
运用瓦斯渗透测试设备,进行孔隙气压对煤体渗透性影响的实验研究。
Experimental study was conducted on the influence of pore gas pressure upon gas permeability with gas permeation test device.
应用推荐