Results 11 to 20 of about 1,008,987 (263)

The mineralization characteristics of organic carbon and particle composition analysis in reconstructed soil with different proportions of soft rock and sand [PDF]

PeerJ, 2019
The organic carbon mineralization process reflects the release intensity of soil CO2. Therefore, the study of organic carbon mineralization and particle composition analysis of soft rock and sand compound soil can provide technical support and a ...
Zhen Guo, Jichang Han, Yan Xu, Yangjie Lu, Chendi Shi, Lei Ge, Tingting Cao, Juan Li   +7 more
doaj   +2 more sources

Extraction and Mapping of Cropland Parcels in Typical Regions of Southern China Using Unmanned Aerial Vehicle Multispectral Images and Deep Learning

Drones, 2023
The accurate extraction of cropland distribution is an important issue for precision agriculture and food security worldwide. The complex characteristics in southern China pose great challenges to the extraction.
Shikun Wu, Yingyue Su, Xiaojun Lu, Han Xu, Shanggui Kang, Boyu Zhang, Yueming Hu, Luo Liu   +7 more
doaj   +1 more source

First-principle study on the stability of Cd passivates in soil

Scientific Reports, 2023
The stable existence of heavy metals in soil under natural conditions is the core issue in heavy metal pollution solidification and remediation technology.
Jianglong Shen, Juan Li, Zhongan Mao, Yang Zhang   +3 more
doaj   +1 more source

Variations of Ecosystem Services Supply and Demand on the Southeast Hilly Area of China: Implications for Ecosystem Protection and Restoration Management

Land, 2023
The balance between the supply and demand of ecosystem services (ESs) is an important prerequisite for maintaining the sustainability of ecological protection and restoration project implementation.
Xiao Zhang, Jun Wang, Mingyue Zhao, Yan Gao, Yanxu Liu   +4 more
doaj   +1 more source

Research progress and application prospect of nature-based solutions in China

Frontiers in Environmental Science, 2023
In recent years, Nature-based Solutions (NbS) have become an important concept in the field of climate change and sustainable development. The study screens academic journals relevant NbS researches using China National Knowledge Infrastructure (CNKI ...
Xiangyu He, Hongbin Wei, Hongbin Wei, Shaoshuai Li, Shaoshuai Li   +4 more
doaj   +1 more source

Rural School Consolidation

The Rural Educator, 2018
The consolidation of rural schools in the United States has been a controversial topic for policy-makers, school administrators, and rural communities since the 1800s.
Joe Bard, Clark Gardener, Regi Wieland
doaj   +1 more source

Cropland Extraction in Southern China from Very High-Resolution Images Based on Deep Learning

Remote Sensing, 2023
Accurate cropland information is crucial for the assessment of food security and the formulation of effective agricultural policies. Extracting cropland from remote sensing imagery is challenging due to spectral diversity and mixed pixels.
Dehua Xie, Han Xu, Xiliu Xiong, Min Liu, Haoran Hu, Mengsen Xiong, Luo Liu   +6 more
doaj   +1 more source

Multi-Material Ultrasonic Consolidation [PDF]

, 2006
Ultrasonic consolidation (UC) is a recently developed direct metal solid freeform fabrication process. While the process has been well-demonstrated for part fabrication in Al alloy 3003 H18, including with intricate cooling channels, some of the ...
Janaki Ram, G. D., Robinson, C., Stucker, B. E.   +2 more
core   +1 more source

Vulnerability assessment of soil cadmium with adsorption–desorption coupling model

Ecological Indicators, 2023
The transfer rate and extent of cadmium (Cd) to groundwater and plants were controlled by soil adsorption and desorption processes, which directly affect agro-environment safety.
Shanshan Chang, Lei Han, Rui Chen, Zhao Liu, Yamin Fan, Xiang An, Yunmeng Zhai, Pan Wu, Tao Wang   +8 more
doaj   +1 more source

Identification of Key Areas for Ecological Conservation and Restoration based on Multi-source Data and Remote Sensing Time Series Analysis [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Ecological conservation and restoration of national land space is an important aspect for implementing the national ecological civilization strategy, and an important measure for establishing the national ecological security pattern and coordinating the ...
Y. Chen, X. Zhou, Y. Zhou, C. Zhang, Y. Liu, X. Su   +5 more
doaj   +1 more source