Results 31 to 40 of about 1,405,078 (311)

Predication of Water Pollution Peak Concentrations by Hybrid BP Artificial Neural Network Coupled with Genetic Algorithm

Applied Artificial Intelligence
Water pollutions can severely affect water environment, causing water quality degradation and threatening aquatic wildlife. Deemed as guideline for maximum environmental impact assessment, water pollution peak concentration (WPPC) has been intensively ...
Yanbo Lu, Tong Li, Ying Deng
doaj   +1 more source

Evaluation of the Spatiotemporal Change of Ecological Quality under the Context of Urban Expansion—A Case Study of Typical Urban Agglomerations in China

Remote Sensing, 2023
As a significant manifestation of human activities influencing natural environment, rapid urbanization has enhanced economic prosperity while simultaneously posing threats to ecological quality. Beijing–Tianjin–Hebei (BTH), the core region of the Yangtze
Yinkun Guo, Siqing Zhao, Xiang Zhao, Haoyu Wang, Wenxi Shi   +4 more
doaj   +1 more source

"You Know You Are Sick, Why Do You Carry A Pregnancy Again?" Applying the Socio-Ecological Model to Understand Barriers to PMTCT Service Utilization in Western Kenya. [PDF]

, 2015
ObjectiveThroughout most of sub-Saharan Africa (SSA), prevention of mother-to-child transmission (PMTCT) services are readily available. However, PMTCT programs in SSA have had suboptimal performance compared to other regions of the world.
Bukusi, Elizabeth A, Cohen, Craig R, Gray, Glenda E, Kwena, Zachary, Onono, Maricianah, Turan, Janet   +5 more
core   +2 more sources

Integrating Ecological Assessments to Target Priority Restoration Areas: A Case Study in the Pearl River Delta Urban Agglomeration, China

Remote Sensing, 2021
The identification and management of ecological restoration areas play important roles in promoting sustainable urban development. However, current research lacks a scientific basis for the scope and scale of ecological restoration.
Xinchuang Chen, Feng Li, Xiaoqian Li, Hongxiao Liu, Yinhong Hu, Panpan Hu   +5 more
doaj   +1 more source

Assignment of the New Type of Ecological Services for Providing Human Safety Under Conditions of Urban Environment [PDF]

, 2018
The main aim of the study is to separate a new category of ecological services for providing human and environmental safety under conditions of accelerated urbanization in the system of eco-services.Urbanization decreased the potential of ecological ...
Vasiutynska, K. (Kateryna)
core   +2 more sources

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

FEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

The Eco-Environmental Changes in Typical Coastal Zones of Southern China From 1987 to 2020: A Case Study of Guangdong Coastal Counties

Frontiers in Environmental Science, 2022
Population growth, socioeconomic development, and rapid urbanization have exacerbated the deterioration of coastal ecosystems, particularly in the coastal region of southern China, which has experienced significant urbanization.
Yuchen Li, Yuchen Li, Zaheer Abbas, Zaheer Abbas, Danying Chen, Danying Chen, Ziyang Zhu, Ziyang Zhu, Haijing Guo, Haijing Guo, Yaolong Zhao, Yaolong Zhao   +11 more
doaj   +1 more source

Insights into a long life without cancer: The case of the bowhead whale

Molecular Oncology, EarlyView.
Long‐lived, large‐bodied organisms have evolved powerful anticancer mechanisms that preserve cellular and tissue integrity across extended lifespans. A recent study by Firsanov et al. shows that greater genome stability is a key factor underlying the remarkable longevity and cancer resistance of one such species, the bowhead whale.
Inés Paniagua, Johanna A. Joyce
wiley   +1 more source

The effects of ethnic sentiment and social differentiation on pastoralists’ willingness to turn out of pasture

Scientific Reports
The pastures in China’s pastoral areas have a "small and scattered" distribution, which results in overloading and overgrazing, ecological degradation, and other problems.
Pengcheng Li, Yifei Xie, Xiandong Li, Yong Xia   +3 more
doaj   +1 more source

Ecological indicators of water quality in small rivers [PDF]

, 1980
At the present time hydrobiological indicators are widely used for the control of surface water quality. Results of the applying of methods suggested at the 1st Soviet-American seminar (1975), development of improved methods and estimation of their ...
Andrushaitis, G., Cimcins, P., Daksha, L., Parele, E.   +3 more
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