Results 11 to 20 of about 281,174 (219)

A Calculation Method for Ground Shock Effect Induced by Hypervelocity Impact

Geofluids, 2022
In the hypervelocity impact event, the strong ground shock effect is induced and may cause damage to underground engineering. The existing experimental methods and calculation procedures have difficulties in estimating the ground shock under complicated ...
Junnan Zhang, Derong Wang, Tianhan Xu, Jie Li, Zhen Wang, Yuguo Ji, Xiaohui Xu   +6 more
doaj   +1 more source

Vulnerability assessment of nearshore clam habitat subject to storm waves and surge

Scientific Reports, 2021
Present work studied the lesion mechanism of coastal clam and its vulnerability assessment subject to the hydrodynamic disturbance of extreme storm events. A clam habitat at the northeast coast of China was chosen for the demonstration study.
Yao Zhang, Gang Wang, Qingjie Li, Wanru Huang, Xunan Liu, Chen Chen, Xiaoyong Shi, Jinhai Zheng   +7 more
doaj   +1 more source

Experimental Study on Influence of Microexpansive Concrete Self-Stress on Performance of Steel Pipe Concrete

Shock and Vibration, 2021
To explore the influence of microexpansive concrete self-stress on the performance of steel pipe concrete, the expansion rate test of microexpansive concrete confined by steel tube was carried out with different expansion rates.
Xin Liu, Yu-Zhou Zheng, Qin Fang, Heng-Bo Xiang, Hai-Chun Yan   +4 more
doaj   +1 more source

Analysis on the causes of positive precipitation anomaly in Shandong in the autumn of 2021

暴雨灾害, 2023
Based on daily precipitation data of 123 national stations in Shandong province from 1961 to 2021, ERA5 monthly reanalysis data and NOAA sea surface temperature data, the causes of the positive precipitation anomaly in Shandong in autumn 2021 were ...
Weiping XU, Yamin XING, Xiangxin MENG, Chengfang YANG, Zhongkai BO, Shimeng LIU   +5 more
doaj   +1 more source

Warning water level determination and its spatial distribution in coastal areas of China [PDF]

Natural Hazards and Earth System Sciences, 2023
The warning water level is the default water level at which storm surges may occur along a coast and indicates a stage of alert. This level forms the basis for storm-surge forecasting, and prewarning is an important reference for governments and aids in ...
S. Liu, X. Shi, Q. Liu, J. Tan, Y. Sun, Q. Liu, H. Guo   +6 more
doaj   +1 more source

Experimental Study on Hydrogen Recombination Characteristics of a Passive Autocatalytic Recombiner during Spray Operation

Hydrogen, 2022
During an accident, hydrogen distribution in a containment building of a nuclear power plant (NPP) and characteristics of hydrogen depletion by passive autocatalytic recombiners (PARs) differ depending on the thermal-hydraulic behaviors occurring in the ...
Jongtae Kim, Seongho Hong, Ki-Han Park, Jin-Hyeok Kim, Jeong-Yun Oh   +4 more
doaj   +1 more source

The Attenuation Ability of Saturated Joints Filled with Granular Materials under High-Amplitude Stress Wave Loading

Geofluids, 2022
Existing experimental evidence shows that the propagation of explosive waves in the free fields of soils is remarkably affected by the degree of saturation.
Sheng Li, Ziming Xiong, Pengxian Fan, Haozhe Xing, Kaidi Xie   +4 more
doaj   +1 more source

Bridging the Loneliness Gap: Depression, Connectivity, and Isolation in Pediatric Oncology Patients and Their Peers

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Loneliness is associated with adverse physical and mental health outcomes and remains understudied in children and adolescents undergoing cancer therapy. Pediatric oncology patients may be at increased risk due to medical isolation and disruption of social networks.
Charlotte N. Stahlfeld, Scott H. Maurer, Michelle D. Watkinson, John Nury, Elise Barberis, Molly C. Mack   +5 more
wiley   +1 more source

Experimental Study on Deformation Characteristics of Natural Sandstone Surrounding Rock Specimens at Different Unloading Rates

Advances in Civil Engineering
This study investigates the influence of excavation unloading rates on the deformation behavior of surrounding rock using a self-developed tunnel surrounding rock excavation unloading model test system.
Xiaorui Li, Jinping Liang, Gongyu Hou, Minglei Zhang, Zhandong Su, Qiaoyan Li   +5 more
doaj   +1 more source

Experimental Study on the Influence of Soil Structure Index on Loess Permeability

Advances in Materials Science and Engineering, 2022
In order to study the effects of dry density and initial water content on the permeability characteristics of loess, the saturated permeability tests of undisturbed loess and remolded loess were carried out in Lanzhou New Area.
Feng Yue, Xin Ren, Xuelang Wang, Wentong Tian   +3 more
doaj   +1 more source