Study on Connectivity Mechanism and Robustness of Three-Dimensional Pore Network of Sandstone by Guannan Liu, Xiaopeng Pei, Dayu Ye, Feng Gao, Zongqing Zhou, Chenglu Gao

“…At the same time, the porosity of the sandstone is strongly influenced by the number of throat in the rock pore network. …”
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An Experimental Study on the Creep Characteristics of Sandstone in the Interval of Different Critical Stresses by Chao Yang, Xingchen Dong, Xuan Xu, Qiancheng Sun

“…Creep tests on brittle sandstone specimens were performed to investigate the time-dependent characteristics in the interval of different critical stresses. …”
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Analysis of Energy Dissipation Characteristics of Damaged Sandstone under Impact Load by Feng Wang, Haibo Wang, Ying Xu, Bing Cheng, Qianqian Wang

“…With the increase of damage degree of sandstone, the reflection energy and dissipation energy of sandstone increase, while the transmission energy decreases.…”
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Relative Permeability of Hydrogen and Aqueous Brines in Sandstones and Carbonates at Reservoir Conditions by Amin Rezaei, Aliakbar Hassanpouryouzband, Ian Molnar, Zeinab Derikvand, R. Stuart Haszeldine, Katriona Edlmann

“…Here, we provide the first‐published comprehensive experimental study of unsteady state drainage relative permeability curves with H2‐Brine, on two different types of sandstones and a carbonate rock. We investigate the effect of pressure, brine salinity, and rock type on hydrogen flow behavior and compare it to that of CH4 and N2 at high‐pressure and high‐temperature conditions representative of potential geological storage sites. …”
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Macro/Microtesting and Damage and Degradation of Sandstones under Dry-Wet Cycles by Xinrong Liu, Zijuan Wang, Yan Fu, Wen Yuan, Luli Miao

“…The research shows that, with the increase of the dry-wet circles (n), the longitudinal wave velocity and the rebound strength of sandstones are linearly decreased with n; the uniaxial tensile strength of sandstones and the mean CT number of cross sections are logarithmically decreased with n; the fitting equation of macro/micromechanical parameters and dry-wet cycles (n) of sandstones is raised, which is provided as a reference basis for the weathering process of sandstones under dry-wet cycles.…”
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Metal Flux from Dissolution of Iron Oxide Grain Coatings in Sandstones by J. Parnell, X. Wang, A. Raab, J. Feldmann, C. Brolly, R. Michie, J. Armstrong

“…Iron oxide grain coatings in red sandstones contain trace metals that are released upon dissolution of the coatings. …”
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Experimental Study on the Creep Behavior of Red Sandstone under Low Temperatures by Yongjun Song, Leitao Zhang, Huimin Yang, Jianxi Ren, Yongxin Che

“…Temperature has a significant effect on the deformation properties of red sandstone. A decrease in temperature reduces the instantaneous and creep deformations of the rocks at all levels of stress. …”
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Experimental Investigation of Dynamic Compression Mechanical Properties of Frozen Fine Sandstone by Jiehao Wu, Haibo Wang, Qi Zong, Ying Xu

“…Aiming at the dynamic mechanical properties of weakly cemented fine sandstone in the rich water-bearing strata in western China under dynamic loading, a 50 mm rod diameter separation Hopkinson pressure bar (SHPB) test was used to study the Paleogene fine sandstone in a coal mine in Ningxia. …”
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Experimental Study on the Softening Characteristics of Sandstone and Mudstone in Relation to Moisture Content by Gui-chen Li, Chong-chong Qi, Yuan-tian Sun, Xiao-lin Tang, Bao-quan Hou

“…The kinetics of fluid-solid coupling during immersion is an important topic of investigation in rock engineering. Two rock types, sandstone and mudstone, are selected in this work to study the correlation between the softening characteristics of the rocks and moisture content. …”
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IMPROVEMENT OF OIL PRODUCTION BY MATRIX ACIDIZING OF A WELL IN SANDSTONE RESERVOIR by Darel Sontia Fouazong, Isidore Komofor Ngongiah, André Chéagé Chamgoué, Alain Francis Talla, Jean Jacques Dikongue Jemea

Subjects: “…sandstone reservoir…”
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Performance of Ecological Pervious Concrete Prepared with Sandstone/Limestone-Mixed Aggregates by Lei Wang, Zhikui Liu, Yan Yan, Bingyan Huang, Yongxiong Xie

“…To understand the performance of ecological pervious concrete prepared with mixed sandstone/limestone aggregates, limestone and sandstone were used as two aggregates. …”
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Effects of Porosity of Dry and Saturated Sandstone on the Energy Dissipation of Stress Wave by Yexue Li, Jing Wang

“…A SHPB experiment of porous sandstone was conducted to discuss the influencing principle of porosity on the energy dissipation of stress wave across dry and saturated porous sandstones. …”
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Experiment and Mechanism Investigation on Freezing-Thawing of Sandstone with Different Water Contents by Guilei Song, Longxiao Chen, Kesheng Li, Deng Zhang, Junhao Xu, Wenshuo Xu, Chuanxiao Liu, Jinpeng Zhang

“…The failure form of sandstone gradually changed from splitting failure to shear failure. …”
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Dense Sandstone Material Decomposition Based on Improved Convolutional Neural Network by Ran ZHANG, Huihua KONG, Jiaxin LI, Yijiao SONG

“…The feasibility of this method is verified on simulated rock and artificial sandstone datasets. The simulation and experimental results show that RS-Net combined with mixing loss can retain more internal details of the image, the decomposed image edge is clearer, and the image quality is higher.…”
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Analyzing the Origin of Low Resistivity in Gas-Bearing Tight Sandstone Reservoir by Yanjiao Jiang, Jian Zhou, Xiaofei Fu, Likai Cui, Chao Fang, Jiangman Cui

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Experiment and Applications of Dynamic Constitutive Model of Tensile and Compression Damage of Sandstones by Chunliang Dong, Xiaoyu Lu, Guangming Zhao, Xiangrui Meng, Yingming Li, Xiang Cheng

“…A shock compression and splitting test of sandstone specimens under different strain rates were performed by using a split Hopkinson pressure bar (SHPB). …”
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Nonlinear Dynamic Constitutive Model of Frozen Sandstone Based on Weibull Distribution by Lei Wang, Hongming Su, Shiguan Chen, Yue Qin

“…To obtain the dynamic mechanical properties of frozen sandstone at different temperatures (i.e., 20°C, −10°C, −20°C, and −30°C), dynamic uniaxial compression tests of saturated sandstone are conducted using a split-Hopkinson pressure bar. …”
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Failure Behaviour of Sandstone with a Preexisting Joint under Stepped Excavation by Yinzhu Liu, Ping Cao, Liwen He, Qibin Lin

“…The stepped excavation tests are performed on sandstone specimens containing a preexisting joint under different normal load conditions. …”
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FOOD IMPORT REGULATION IN RUSSIA IN THE CONDITIONS OF SANCTIONS by M. V. Mintusov

“…Since the beginning of introduction of the anti-Russian sanctions problems of regulation of food import became aggravated. …”
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ECONOMIC SANCTIONS: JURISTIC PHENOMENON AND POLITICAL LEVERAGE by I. Rodina, A. Vladimirova

“…The article analyzes the characteristics of bilateral economic sanctions and embargo of food. It is proved that these categories, being positive means of an economic nature to change the economic, political and social conditions that include various types of direct restriction on trade between sovereign states. …”
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