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The molecular weight of carbon dots calculated from colligative properties and their application in estimating surface adsorption capacity
《日用化学工业(中英文)》2025年第4期422-429,共8页Ting Sun Xinzhi Liang Minghao Pang Xia Xin Ning Feng Hongguang Li 
国家自然科学基金(92261106,21972077)。
Since the discovery of carbon dots(CDs)in 2004,the unique photoluminescence phenomenon of CDs has attracted widespread attention.However,the molecular weight of CDs has not been adequately quantified at present,due to...
关键词：carbon dots molecular weight colligative properties surface adsorption capacity 
A methodological framework for estimating ambient PM_(2.5)particulate matter concentrations in the UK
《Journal of Environmental Sciences》2025年第4期676-691,共16页David Galán-Madruga Parya Broomandi Alfrendo Satyanaga Ali Jahanbakhshi Mehdi Bagheri Aram Fathian Rasoul Sarvestan J.Cárdenas-Escudero J.O.Cáceres Prashant Kumar Jong Ryeol Kim 
supported by the Collaborative Research Project(CRP)grant,Nazarbayev University(Nos.11022021CRP1512,211123CRP1604);PK acknowledges the support from the NERC-funded projects ASAP-Delhi(NE/P016510/1),GreenCities(NE/P016510/1);RECLAIM Network Plus(EP/W034034/1).
Scientific evidence sustains PM_(2.5)particles’inhalation may generate harmful impacts on human beings’health;therefore,theirmonitoring in ambient air is of paramount relevance in terms of public health.Due to the l...
关键词：Air quality PM_(2.5)particles Meteorological variables Prediction model Long-term trend 
Estimating the lake storage capacity on the Tibetan Plateau using satellite altimetry and imagery data: a comparative analysis of water volume change methods
《Journal of Mountain Science》2025年第4期1388-1404,共17页SUN Kai CHEN Jun LHAKPA Drolma HE Hao DUAN Zheng 
supported financially by the National Nature Science Foundation of China(No.41901129);the University Natural Sciences Research Project of Anhui Educational committee(2024AH050270);the support from the Joint China–Sweden Mobility Grant funded by NSFC and STINT(CH2019-8250)。
Compared to lake area and water level,lake storage capacity more intuitively reflects regional climate changes.In this study,we first derived lakebed elevation profiles for individual ICESat-2 tracks based on the unde...
关键词：Lake storage capacity Water volume changes ICESat-2 CryoSat-2 Regional applicability Lakebed topography 
A surrogate model for estimating rock stress by a hollow inclusion strain cell in a three-layer medium
《International Journal of Mining Science and Technology》2025年第3期363-381,共19页Changkun Qin Wusheng Zhao Weizhong Chen Peiyao Xie Shuai Zhou 
funding support from the National Natural Science Foundation of China (Nos. 42477208 and 52079134);the Natural Science Foundation of Hubei Province, China (No. 2024AFA072);the Youth Innovation Promotion Association CAS (No. 2022332);the National Key R&D Program of China (No. 2024YFF0508203);the Open Research Fund of State Key Laboratory of Geomechanics and Geotechnical Engineering Safety (Nos. SKLGME-JBGS2402 and SKLGME022022)。
Accurate acquisition of the rock stress is crucial for various rock engineering applications.The hollow inclusion (HI) technique is widely used for measuring in-situ rock stress.This technique calculates the stress te...
关键词：Stress measurement Over-coring stress relief method Three-layer medium Surrogate model Numerical simulation 
Likelihood-based modified Kalman filter for estimating vehicle lateral states with random measurement delay
《Science China(Technological Sciences)》2025年第3期310-318,共9页Chao YANG Ruixin ZHANG Weida WANG Yuhang ZHANG Jiayi FANG Qi WANG Shouwen YAO 
supported by the National Natural Science Foundation of China(Grant No.52394262)。
Accurate lateral state estimation is crucial for ensuring the stability and safety of vehicles.The Kalman filter is widely utilized to estimate the lateral state of vehicles.However,vehicle state measurement suffers f...
关键词：measurement delay Kalman filter parameter identification likelihood estimation 
Transformer-based skeleton extraction from all-sky images for estimating the number of auroral arcs
《Advances in Polar Science》2025年第1期61-73,共13页WANG Qian ZHANG Wei MIAO Miao 
supported by the National Natural Science Foundation of China(Grant no.41874173)。
Studying various aurora morphology helps us understand space's physical processes and the mechanisms behind these patterns.Auroral arcs are the brightest and most prominent auroral patterns.Due to the difficulty in pr...
关键词：AURORA all-sky image skeleton extraction 
Developing the Allometric Equations for Estimating Above-Ground Biomass of Vachellia tortilis Using Destructive Sampling in Oman
《Open Journal of Forestry》2025年第1期23-34,共12页Rabie Al Rahbi Hameed Sulaiman Ronald Wesonga 
Biomass models to estimate carbon stocks in arid environment are very limited. This study employed destructive sampling to develop a new biomass model for Vachellia tortilis, a widely known species in the Sultanate of...
关键词：Protected Area Vachellia tortilis Best Fit Model Linear Regression 
Estimating Transient Stability Regions of Large-Scale Power Systems Part Ⅰ:Koopman Operator and Reduced-Order Model
《CSEE Journal of Power and Energy Systems》2025年第1期24-37,共14页Yuqing Lin Tianhao Wen Lei Chen Q.H.Wu Yang Liu 
This paper presents an estimation of transient stability regions for large-scale power systems.In Part I,a Koopman operator based model reduction(KOMR)method is proposed to derive a low-order dynamical model with reas...
关键词：Data driven method dynamic mode decomposition Koopman operator model reduction power systems 
Estimating Transient Stability Regions of Large-Scale Power Systems Part Ⅱ:Reduced-Order Stability Region with Computational Efficiency
《CSEE Journal of Power and Energy Systems》2025年第1期38-50,共13页Yuqing Lin Tianhao Wen Lei Chen Yang Liu Q.H.Wu 
Part II of this paper presents a reduced-order stability region (ROSR) based method to estimate the full-order stability region (FOSR) of a large-scale power system. First, we introduce the definitions of FOSR and ROS...
关键词：Large-scale power system singular perturbation theory stability region sum of squares transient stability 
A 3D convolutional neural network model with multiple outputs for simultaneously estimating the reactive transport parameters of sandstone from its CT images
《Artificial Intelligence in Geosciences》2024年第1期310-319,共10页Haiying Fu Shuai Wang Guicheng He Zhonghua Zhu Qing Yu Dexin Ding 
supported by the National Natural Science Foundation of China (12105139 and 42277264);National Key Research and Development Program of China (2021YFC2902104);Education Department of Hunan Province (21B0446).
Porosity,tortuosity,specific surface area(SSA),and permeability are four key parameters of reactive transport modeling in sandstone,which are important for understanding solute transport and geochemical reaction pro-c...
关键词：Reactive transport CNN model with multiple outputs SANDSTONE TORTUOSITY PERMEABILITY 
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