Results 131 to 140 of about 332,517 (295)

Coastal Zone Management in the People’s Republic of China: A Unique Approach? [PDF]

Integrated Coastal Zone Management, People’s Republic of China, Political Structure, Power Distribution, Jurisdictional ...
Maren A. Lau
core  

Improved assessment of accuracy and performance using a rotational paper-based device for multiplexed detection of heavy metals

, 2018
In this work, a novel rotational microfluidic paper-based device was developed to improve the accuracy and performance of the multiplexed colorimetric detection by effectively avoiding the diffusion of colorimetric reagent on the detection zone.
Tian, Chongguo, Chen, Lingxin(Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China), Qi, Anjin, Li, Bowei, Sun, Xiange, Han, Jinglong, Chen, Lingxin, Shi, Yajun, Li, Bowei(Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China), Lin, Bingcheng   +9 more
core   +1 more source

Enhancing grid resiliency in distributed energy systems through a comprehensive review and comparative analysis of islanding detection methods

Scientific Reports
Reduction of fossil fuel usage, clean energy supply, and dependability are all major benefits of integrating distributed energy resources (DER) with electrical utility grid (UG).
Mangesh S Kulkarni, Sachin Mishra, Suresh Kumar Sudabattula, Naveen Kumar Sharma, D. Baba Basha, Mohit Bajaj, Milkias Berhanu Tuka   +6 more
doaj   +1 more source

Exploring a comprehensive review of non-linear and composite phase frequency detectors within PLL frameworks

Results in Engineering
This survey presents an in-depth exploration of two innovative designs of phase frequency detectors (PFDs): Non-Linear PFD (NLPFD), composite PFD. PFDs play a crucial role in phase-locked loops (PLLs), frequency synthesis circuits, frequency demodulators,
N.R. Sivaraaj, K.K. Abdul Majeed
doaj   +1 more source

Mechanochemical Synthesis and Characterization of Nanostructured ErB4 and NdB4 Rare‐Earth Tetraborides

Advanced Engineering Materials, Volume 27, Issue 6, March 2025.
ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur, Faruk Kaya, Bora Derin, Mustafa Lütfi Öveçoğlu, Ju Li, Duygu Ağaoğulları   +5 more
wiley   +1 more source

Exchange Rate and Interest Rate Distribution and Volatility under the Portuguese Target Zone [PDF]

The aim of this study is to analyse the exchange rate and interest rate distribution and volatility under the participation of the Portuguese economy in the Exchange Rate Mechanism (ERM) of the European Monetary System (EMS) based on some of the main ...
António Portugal Duarte, Adelaide Duarte, João Sousa Andrade   +2 more
core  

Enhanced islanding detection using a hybrid machine learning approach

Energy Informatics
This paper presents a novel hybrid machine learning method for enhanced islanding detection in distributed generation systems. The proposed approach integrates distinct feature extraction from voltage and current signals at the point of common coupling ...
Samiksha K. Shahade, Anjali U. Jawadekar, Aniket K. Shahade   +2 more
doaj   +1 more source

Experimental Evaluation of 100Cr6 Steel Microindented Surfaces Under Lubricated Nonconformal Point Contacts

Advanced Engineering Materials, EarlyView.
The tribological behavior of 100Cr6 steel spheres textured via Vickers microindentation is evaluated under lubricated sliding by varying both dimple size and density. Fine and dense textures significantly reduce friction across all lubrication regimes, while large dimples increase it.
Farideh Davoodi, Pasquale Guglielmi, Gianfranco Palumbo, Giuseppe Carbone   +3 more
wiley   +1 more source

The exploration of interobserver agreement and accuracy of Prostate Imaging Reporting and Data System version 2 for the prostate carcinoma

Zhongguo aizheng zazhi, 2018
Background and purpose: With the development of multi-parametric MR imaging techniques for detection of prostate carcinoma, medical imaging has shown the promising value in diagnosis, prediction of aggressiveness and evaluation of responses to different ...
刘　伟, 刘晓航, 汤　伟
doaj  

Low‐Cost, Large‐Scale Nanoporous Metals by Mechanical Alloying, Oxide Reduction, and Dealloying of Powders

Advanced Engineering Materials, EarlyView.
Powder metal processing provides scalable advantages in nanoporous (np) metal development. Mechanical alloying is used to produce unique precursors for hybrid nanopore formation by oxide reduction and dealloying. As demonstrated in np Ag, this approach improves process efficiency while promoting smaller ligaments and larger pores, both of which are ...
Mark A. Atwater, Oliver A. Fowler
wiley   +1 more source