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Adaptive Tracking Control of Anchoring Unit for Pipeline Intelligent Plugging Robot Based on Improved Deep Deterministic Policy Gradient

Tingting Wu, Yaxin Liu, Laihe Qi, Pu Wang et al. • Machines (2026)

A pipeline intelligent plugging robot (PIPR) is an important tool in subsea pipeline maintenance and emergency repair. Precise position-tracking control is crucial for the in-pipe plugging operation of a PIPR. The anchoring module is the ke...

DOAJ Open Access (DOAJ) DOI: 10.3390/machines14060675

Influence of check dams on water and sediment processes and deposition patterns under simulated rainfall conditions

Zhiwei Cui, Peng Li, Tian Wang, Shaobo Xue et al. • Geoderma (2024)

The Loess Plateau in China has the highest soil erosion and water loss rates in the world. Therefore, check dams, which are more useful engineering measures, have been established to improve soil and water conservation in small watershed. T...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.geoderma.2023.116758

Study on Damage Behavior and Anti-Explosion Performance of Steel Fiber-Reinforced Cellular Concrete Under Underwater Contact Explosion

Hu Huang, Shubo Dai, Kelei Cao, Changxing Tang et al. • Buildings (2026)

To explore the damage mitigation mechanism of steel fiber-reinforced cellular concrete (SFR-CC) under underwater explosion loading, this study systematically analyzes two key variables: steel fiber volume fraction (0.5%, 1.0%, 1.5%, and 2.0...

DOAJ Open Access (DOAJ) DOI: 10.3390/buildings16101975

Reservoir ecological operation considering outflow variations across different time scales

Yibo Wang, Pan Liu, Ming Dou, He Li et al. • Ecological Indicators (2021)

The regulation of reservoirs contributes huge socioeconomic benefits to society at the expense of inducing adverse effects on downstream ecosystems. The reservoir average outflow (such as monthly) can be out of the ecological flow range whi...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.ecolind.2021.107582

Influence of strain measurement methods on crack initiation and crack damage thresholds of shale

Rongchao Xu, Liang Gao, Yiding Jin, Yibo Wang et al. • Geomechanics and Geophysics for Geo-Energy and Geo-Resources (2025)

Abstract The crack initiation stress (σ ci) and crack damage stress (σ cd) are two important stress thresholds for describing the progressive failure process of rocks. Accurately obtaining these two stress thresholds is crucial for analyzin...

DOAJ Open Access (DOAJ) DOI: 10.1007/s40948-025-00940-8

Study on safety of a high earth-core rockfill dam considering contact effect between dam and foundation

LI Guoying, HAN Chaojun, WEI Kuangmin, MI Zhankuan • Shuili Shuiyun Gongcheng Xuebao (2019)

With a traditional method to calculate the stress and deformation of earth-rock dam, the contact effect between the dam and the bedrock is neglected, which is not consistent with the actual condition. The contact friction has a significant ...

DOAJ Open Access (DOAJ) DOI: 10.16198/j.cnki.1009-640X.2019.06.012

Restoration of the Zoige alpine wetland played a role in the recent reduction in water yield in the Source Region of the Yellow River

Nana Zhao, Edward Johnson, Lingyao Meng, Muyuan Ma et al. • HydroResearch

Ecological restoration efforts have been actively promoted in the Source Region of the Yellow River (SRYR) since the late 1990s, but their hydrological effects remain poorly understood. This study quantified long-term runoff changes from 19...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.hydres.2026.09.004

Structure and assembly mechanism of soil bacterial community under different soil salt intensities in arid and semiarid regions

Yuxi Wei, Lijuan Chen, Qi Feng, Haiyang Xi et al. • Ecological Indicators (2024)

Soil salinization has become the most expansive form of soil degradation in arid and semiarid regions, and the management of soil salinization is imperative for achieving sustainable development. Soil microorganisms are supposed to play an ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.ecolind.2024.111631

Critical Factors Affecting Water and Nitrogen Losses from Sloping Farmland during the Snowmelt Process

Qiang Zhao, Jifeng Zhang, Jingwei Wu, Chenyao Guo et al. • Agronomy (2023)

Water and nitrogen losses from farmland during the snowmelt process play a vital role in water and nitrogen management in cold regions. To explore the mechanisms and factors contributing to water and nitrogen loss from different sloping far...

DOAJ Open Access (DOAJ) DOI: 10.3390/agronomy13020350

Dissenting Design

Simona Cosentino, Eleonora Lupo • piano b (2017)

As part of the discipline and practice of design (understood in its broadest sense of «strategic problem-solving process that drives innovation, builds business success, and leads to a better quality of life through innovative products, sys...

DOAJ Open Access (DOAJ) DOI: 10.6092/issn.2531-9876/7697

Understanding the Attitudes of Communities to the Social, Economic, and Cultural Importance of Working Donkeys in Rural, Peri-urban, and Urban Areas of Ethiopia

Martha Geiger, Jo Hockenhull, Henry Buller, Gebre Tefera Engida et al. • Frontiers in Veterinary Science (2020)

Working donkeys (Equus africanus asinus) are vital to the development and support of people's livelihoods in rural, peri-urban, and urban areas of Ethiopia. However, despite their critical role in providing transport, food security, and inc...

DOAJ Open Access (DOAJ) DOI: 10.3389/fvets.2020.00060

URBAN PUBLIC TRANSPORT WITH THE USE OF ELECTRIC BUSES – DEVELOPMENT TENDENCIES

Stanisław KRAWIEC, Bogusław ŁAZARZ, Sylwester MARKUSIK, Grzegorz KAROŃ et al. • Transport Problems (2016)

The programing documents of the European Union determine the direction of transport systems development, including large cities and agglomerations. The context of these actions which aim to transform into ecologically clean and sustainable ...

DOAJ Open Access (DOAJ) DOI: 10.20858/tp.2016.11.4.12

An enhanced model predictive control method for single-stage three-phase transformerless grid-connected photovoltaic inverter

Zhonglin Guo, Zhijie Liu, Miao Guo, Ke-Jun Li et al. • International Journal of Electrical Power & Energy Systems (2025)

The single-stage transformerless photovoltaic (PV) topology is an attractive configuration as it offers high efficiency, low installation cost and smaller size. For such a configuration, the control algorithm should be designed to track the...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.ijepes.2025.111239

Resource-Constrained Edge AI Solution for Real-Time Pest and Disease Detection in Chili Pepper Fields

Hoyoung Chung, Jin-Hwi Kim, Junseong Ahn, Yoona Chung et al. • Agriculture (2026)

This paper presents a low-cost, fully on-premise Edge Artificial Intelligence (AI) system designed to support real-time pest and disease detection in open-field chili pepper cultivation. The proposed architecture integrates AI-Thinker ESP32...

DOAJ Open Access (DOAJ) DOI: 10.3390/agriculture16020223

Right-lateral offset associated with the most recent earthquake on the Ikeda fault of the Median Tectonic Line, southwest Japan, revealed by ground-penetrating radar profiling

Adi Patria, Haruo Kimura, Yoshihiro Kitade, Hiroyuki Tsutsumi • Progress in Earth and Planetary Science (2022)

Abstract The Median Tectonic Line (MTL) is an arc-parallel strike-slip fault that accommodates much of the arc-parallel component of the oblique convergence of the Philippine Sea and Eurasian plates at the Nankai Trough. The MTL in Shikoku ...

DOAJ Open Access (DOAJ) DOI: 10.1186/s40645-022-00466-7