Mercury and its form in a dammed reservoir ecosystem during the charging phase
Sign Up to like & getrecommendations! Published in 2020 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-020-08935-6
Abstract: Throughout continents, reservoirs tend to have elevated methylmercury (MeHg) concentration transformed from mercury (Hg/total Hg). This impact may be pronounced in the reservoir with less velocity of water during the charging period resulted in the… read more here.
Keywords: mehg; total mehg; study; charging phase ... See more keywords
On the evaluation of rock integrity around mine workings with anchorage by the shock-spectral method
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Fatigue"
DOI: 10.1016/j.ijfatigue.2018.01.034
Abstract: Abstract The goal of this study is to investigate the integrity of gypsum-containing rocks during underground mining using non-destructive testing (NDT) anchors by the shock-spectral method. Studies were conducted in-situ at a gypsum deposit in… read more here.
Keywords: shock spectral; spectral method; integrity; rock integrity ... See more keywords
Indication of rare earth element characteristics to dolomite petrogenesis—A case study of the fifth member of Ordovician Majiagou Formation in the Ordos Basin, central China
Sign Up to like & getrecommendations! Published in 2017 at "Marine and Petroleum Geology"
DOI: 10.1016/j.marpetgeo.2017.12.004
Abstract: Abstract Rare earth elements (REEs), as important geochemical tracers, can well reflect the information carried by diagenetic fluids. In this paper, petrological and REE characteristics are studied to investigate diagenetic fluid information and dolomite petrogenesis… read more here.
Keywords: negative anomaly; rare earth; value; silty dolomite ... See more keywords
He, Ar, and S isotopic constraints on the relationship between A-type granites and tin mineralization: A case study of tin deposits in the Tengchong–Lianghe tin belt, southwest China
Sign Up to like & getrecommendations! Published in 2018 at "Ore Geology Reviews"
DOI: 10.1016/j.oregeorev.2017.11.032
Abstract: Abstract The Tengchong–Lianghe tin belt in western Yunnan Province, southwest China, is the most important tin mineralization belt in the Sanjiang Tethyan Metallogenic Domain (STMD). There are two large tin deposits in this belt: the… read more here.
Keywords: tin deposit; tin deposits; tin; average value ... See more keywords
Constraints of Fe-O isotopes on the origin of magnetite in the El Laco Kiruna-type iron deposit, Chile
Sign Up to like & getrecommendations! Published in 2021 at "Ore Geology Reviews"
DOI: 10.1016/j.oregeorev.2020.103967
Abstract: Abstract The Pliocene El Laco iron deposit is the youngest and best-preserved Kiruna-type deposit in the world, the genesis of which has been on dispute for several decades. The massive magnetite (δ56Fe = 0.28–0.39‰, with average value… read more here.
Keywords: iron deposit; 56fe average; average value; magnetite ... See more keywords
Achieving High Average zT Value in Sb2Te3 Based Segmented Thermoelectric Materials.
Sign Up to like & getrecommendations! Published in 2019 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.9b19798
Abstract: A tiny amount of Mn is doped In0.15Sb1.85Te3 sample to tailor its carrier concentration, thus boosting the power factor and suppressing the bipolar effect. Furthermore, large amounts of nano-twins are constructed to effectively scatter the… read more here.
Keywords: value sb2te3; temperature; high average; achieving high ... See more keywords
A Unified Arm Module-Based Average Value Model for Modular Multilevel Converter
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.2983356
Abstract: Modeling modular multilevel converter (MMC) for electromagnetic transients is challenging due to the massive number of switching devices. The fast and simultaneous switching events lead to high computational burden as the number of submodules in… read more here.
Keywords: converter; model; modular multilevel; average value ... See more keywords
Numerical Average-Value Modeling of Rotating Rectifiers in Brushless Excitation Systems
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Energy Conversion"
DOI: 10.1109/tec.2017.2706961
Abstract: Brushless excitation systems are widely used for synchronous machines. As a critical part of the system, rotating rectifiers have a significant impact on the system behavior. This paper presents a numerical average-value model (AVM) for… read more here.
Keywords: rotating rectifiers; average value; numerical average; excitation ... See more keywords
Average-Value Modeling of Diode Rectifier Systems Under Asymmetrical Operation and Internal Faults
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Energy Conversion"
DOI: 10.1109/tec.2018.2832652
Abstract: Line-commutated rectifiers (LCRs) are extensively utilized in exciters of large electrical machines, ac–dc power systems of ships, vehicles, aircraft, and many other industrial applications. Efficient and accurate computer simulations are necessary to analyze various aspects… read more here.
Keywords: value modeling; internal faults; asymmetrical operation; average value ... See more keywords
Interfacing of Parametric Average-Value Models of LCR Systems in Fixed-Time-Step Real-Time EMT Simulations
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Energy Conversion"
DOI: 10.1109/tec.2020.3028266
Abstract: Parametric average-value models (PAVMs) of line-commutated converters have been developed for efficient simulation of power systems transients. In this letter, the numerical properties of existing current-source (CS) and voltage-source (VS) interfacing techniques of PAVMs are… read more here.
Keywords: time; value models; parametric average; real time ... See more keywords
Average-Value Modeling of Line-Commutated AC–DC Converters With Unbalanced AC Network
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Energy Conversion"
DOI: 10.1109/tec.2021.3084124
Abstract: AC–DC line-commutated converters (LCCs) are widely utilized in existing and emerging ac–dc power systems. Analysis of such systems under balanced and unbalanced conditions is often carried out using electromagnetic transient (EMT) simulation programs. Therein, the… read more here.
Keywords: line commutated; commutated converters; average value; network ... See more keywords