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A method for preparing remolded samples of silty clay interbedded with silty sand

SHEN Zhi-fu , XU Qi-er , ZHU Ling-yu , WANG Zhi-hua , GAO Hong-mei • Yantu gongcheng xuebao (2021)

Interbedded soil is a special soil and is often encountered in littoral facies and river floodplain formations. Furthermore, the interbedded soil of cohesive soil and sandy soil is especially unique in its overall mechanical behavior due to...

DOAJ Open Access (DOAJ) DOI: 10.11779/CJGE2021S2023

Parabolic Equation Modeling of Propagation over Terrain Using Digital Elevation Model

Xiao-Wei Guan, Li-Xin Guo, Ya-Jiao Wang, Qing-Liang Li • International Journal of Antennas and Propagation (2018)

The parabolic equation method based on digital elevation model (DEM) is applied on propagation predictions over irregular terrains. Starting from a parabolic approximation to the Helmholtz equation, a wide-angle parabolic equation is deduce...

DOAJ Open Access (DOAJ) DOI: 10.1155/2018/1878307

Deflection and bending moment dynamic load allowance of runway bridges: Theoretical and numerical studies

Yuxin Xue, Wei Hou, Yongjun Zhou, Huichi Li et al. • Journal of Traffic and Transportation Engineering (English ed. Online) (2026)

Runway bridges offer a practical structural solution for airport construction in terrain-constrained areas. However, their dynamic behavior under aircraft landing loads remains insufficiently studied, and design-oriented theoretical guidanc...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.jtte.2026.01.002

A study on the Joule-Thomson effect of during filling hydrogen in high pressure tank

Ji-Qiang Li, Yan Chen, Yong Biao Ma, Jeong-Tae Kwon et al. • Case Studies in Thermal Engineering (2023)

With the development of the hydrogen fuel cell automobile industry, higher requirements are put forward for the construction of hydrogen energy infrastructure, the matching of parameters and the control strategy of hydrogen filling rate in ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.csite.2022.102678

Structural performance of FRP composite bars reinforced rubberized concrete compressive members: Tests and numerical modeling

Ali Raza, Khaled Mohamed Elhadi, Muhammad Abid, Ahmed Farouk Deifalla et al. • Heliyon (2024)

Waste tyre rubber has become an environmental and health concern that needs to be sustainably managed to avoid fire hazards and save natural resources. This research work aims to study the structural behavior of glass fiber reinforced polym...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.heliyon.2024.e26222

RESEARCH ON THE POSITIONING OF PROTECTION AND UTILIZATION OF HISTORIC DISTRICTS UNDER BIG DATA ANALYSIS

J. Zhang, J. Zhang, X. Huo, W. Zheng et al. • The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences (2017)

Historic districts are a special type of cultural heritage, as living cultural heritage, the utilization and development of historical districts is an inevitable issue. How to accurately position the protection and utilization of districts...

DOAJ Open Access (DOAJ) DOI: 10.5194/isprs-archives-XLII-2-W5-731-2017

How to Recognize and Measure the Driving Forces of Tourism Ecological Security: A Case Study from Zhangjiajie Scenic Area in China

Quanjin Li, Yuhuan Geng, Shu Fu, Yaping Zhang et al. • Land (2025)

Rapid regional development and intensified human activities increasingly disturb ecosystems, posing substantial threats to the integrity of large-scale ecological zones. As a World Natural Heritage site and a crucial national ecological zon...

DOAJ Open Access (DOAJ) DOI: 10.3390/land14091733

Variations of Near Surface Energy Balance Caused by Land Cover Changes in the Semiarid Grassland Area of China

Qun’ou Jiang, Chengcai Tang, Enjun Ma, Yongwei Yuan et al. • Advances in Meteorology (2014)

This study applies the Dynamics of Land System (DLS) model to simulating the land cover under the designed scenarios and then analyzes the effects of land cover conversion on energy flux in the semiarid grassland area of China with the Weat...

DOAJ Open Access (DOAJ) DOI: 10.1155/2014/894147

Influence of convectively coupled equatorial Kelvin waves on March-May precipitation over East Africa

Okello Ochieng Phillip, Tan Guirong, Ongoma Victor, Nyandega Isaiah • Geographica Pannonica (2021)

Convectively coupled equatorial Kelvin waves (CCEKWs) are those types of equatorially trapped disturbances that propagate eastward and are among the most common intra-seasonal oscillations in the tropics. There exists two-way feedback betwe...

DOAJ Open Access (DOAJ) DOI: 10.5937/gp25-31132

Structure of Spatial Correlation Network and Influencing Factors of Urban-Rural Integration in China

Wang Kai, Liu Meilun, Tan Jiaxin, Gan Chang • Redai dili (2025)

Urban-rural integration is a necessary way to realize the strategy of rural revitalization in the new era, and exploring the characteristics of the spatial correlation network of China's urban-rural integration and its formation mechanism i...

DOAJ Open Access (DOAJ) DOI: 10.13284/j.cnki.rddl.20230678

Review of Supramolecular Oleogel Lubricants

Lei Wei, Minghui Xiong, Haoye Wang, Yuelin Chen et al. • Gels (2026)

Supramolecular oleogel lubricants construct a three-dimensional network structure within base oils through gelator-mediated non-covalent interactions, such as hydrogen bonding, van der Waals forces, and π–π stacking. These materials demonst...

DOAJ Open Access (DOAJ) DOI: 10.3390/gels12040338

Do China State-Level Economic and Technological Development Zones Have a Positive Effect on Regional Total Factor Productivity? A Perspective Based on the Moderating Effect of Transportation Infrastructure

Mengshang Liang, Changxin Xu, Mingxian Li, Yang Lu • Systems (2025)

With the deceleration of China’s economic growth, the crude economic model will progressively diminish in its competitive edge, thereby posing challenges for state-level economic and technological development zones (ETDZs) in terms of trans...

DOAJ Open Access (DOAJ) DOI: 10.3390/systems13080620