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Understanding electricity prices beyond the merit order principle using explainable AI

2003年

作者： Lynne schafer Gross.

来源：畅想之星图书光盘版（南... 评论

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Energy and AI 2023年第3期13卷 149-159页

作者： Julius Trebbien Leonardo Rydin Gorjao Aaron Praktiknjo Benjamin schafer Dirk Witthaut Forschungszentrum Julich Institute for Energy and Climate Research–Systems Analysis and Technology Evaluation(IEK-STE)52428 JülichGermany University of Cologne Institute for Theoretical PhysicsZülpicher Str.7750937 CologneGermany Faculty of Science and Technology Norwegian University of Life Sciences1432 AsNorway Chair for Energy System Economics Institute for Future Energy Consumer Needs and Behavior(FCN)E.ON Energy Research CenterRWTH Aachen UniversityMathieustr.1052074 AachenGermany Institute for Automation and Applied Informatics Karlsruhe Institute of Technology76344 Eggenstein-LeopoldshafenGermany JARA-ENERGY 52074 AachenGermany

Electricity prices in liberalized markets are determined by the supply and demand for electric power,which are in turn driven by various external influences that vary strongly in *** perfect competition,the merit order principle describes that dispatchable power plants enter the market in the order of their marginal costs to meet the residual load,*** difference of load and renewable *** market models are based on this principle when attempting to predict electricity prices,yet the principle is fraught with assumptions and simplifications and thus is limited in accurately predicting *** this article,we present an explainable machine learning model for the electricity prices on the German day-ahead market which foregoes of the aforementioned assumptions of the merit order *** model is designed for an ex-post analysis of prices and builds on various external *** SHapley Additive exPlanation(SHAP)values we disentangle the role of the different features and quantify their importance from empiric data,and therein circumvent the limitations inherent to the merit order *** show that load,wind and solar generation are the central external features driving prices,as expected,wherein wind generation affects prices more than solar ***,fuel prices also highly affect prices,and do so in a nontrivial ***,large generation ramps are correlated with high prices due to the limited flexibility of nuclear and lignite ***,we offer a model that describes the influence of the main drivers of electricity prices in Germany,taking us a step beyond the limited merit order principle in explaining the drivers of electricity prices and their relation to each other.

关键词： Electricity prices Merit order principle Explainable artificial intelligence Machine learning Fuel prices Energy market

Phosphoinositide and Inositolpolyphosphate Signalling in Defense Responses of Arabidopsis thaliana Challenged by Mechanical Wounding

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Molecular Plant 2008年第2期1卷 249-261页

作者： Alina Mosblech sabine Konig Irene Stenzel Peter Grzeganek Ivo Feussner Ingo Heilmann Department of Plant Biochemistry Albrecht-yon-Hailer-Institute for Plant Sciences Georg-August-University G6ttingen Justus-von-Liebig-Weg 1137077 G6ttingen Germany

Various biochemical signals are implicated in Arabidopsis wound signalling, including jasmonic acid （JA）, salicylic acid, auxin, and Ca^2＋. Here, we report on cross-talk of phytohormones with phosphoinositide signals not previously implicated in plant wound responses. Within 30 min of mechanical wounding of Arabidopsis rosette-leaves, the levels of the lipid-derived soluble inositolpolyphosphate, inositol 1,4,5-trisphosphate （InsP3）, increased four to five-fold. Concom- itantly, the precursor lipids, phosphatidylinositol 4,5-bisphosphate, phosphatidylinositol 4-phosphate and phosphatidylinositol transiently depleted, followed by re-synthesis after 30-60 min of stimulation. Increased InsP3 levels with wounding coincided with JA increases over the first hours of stimulation. In dde2-2-mutant plants deficient in JA biosynthesis, no InsP3 increase was observed upon wounding, indicating that JA was required for InsP3 formation, and InsP3 levels increased in wild-type plants challenged with sorbitol, increasing endogenous JA levels. In InsP 5-ptase plants with attenuated phosphoinositide signalling, the induction of wounding-inducible genes was diminished compared with wildtype plants, suggesting a role for phosphoinositide signalling in mediating plant wound responses. The gene-expression patterns suggest that phosphoinositides contribute to both JA-dependent and JA-independent aspects of wound signalling. Weight gain of Plutella xylostella caterpillars feeding on InsP 5-ptase plants was increased compared with that of caterpillars feeding on wild-type plants. The ecophysiological relevance of phosphoinositide signals in plant defense responses to herbivory is discussed in light of recent findings of inositolpolyphosphate involvement in phytohormone-receptor function.

关键词： .Wild-type Increases Defense Responses Mechanical Wounding Heilmann wound signalling InsP levels InsP ptase

Good and bad outcomes of respiratory viral infections—influenza A virus trains sustained antitumor immunity of macrophages in the lung

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Cellular & Molecular Immunology 2023年第8期20卷 861-863页

作者： sabine Stegemann-Koniszewski Sarah Frentzel Dunja Bruder Experimental Pneumology Department of PneumologyUniversity Hospital Magdeburg/Medical FacultyHealth Campus ImmunologyInfectiology and InflammationOtto-von-Guericke University MagdeburgMagdeburgGermany Institute of Medical Microbiology and Hospital Hygiene Infection Immunology GroupHealth Campus ImmunologyInfectiology and InflammationOtto-von-Guericke University MagdeburgMagdeburgGermany Immune Regulation Group Helmholtz Centre for Infection ResearchBraunschweigGermany

In their recent article in Nature Immunology, Wang et al. showed that influenza A virus (IAV) infection trained alveolar macrophages (AMs) for sustained antitumor immunity in the lung [1], extending the concept of trained immunity and pointing out benefits of viral respiratory infection in the context of pulmonary antitumor immune surveillance.

关键词： immunity sustained respiratory

In silico modelling of cancer nanomedicine, across scales and transport barriers

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npj Computational Materials 2020年第1期6卷 899-908页

作者： Namid R.Stillman Marina Kovacevic Igor Balaz sabine Hauert Department of Engineering Mathematics University of BristolBristolUK Department of Chemistry Biochemistryand Environmental ProtectionFaculty Of SciencesUniversity of Novi SadNovi SadSerbia Laboratory for Meteorology Physicsand BiophysicsFaculty of AgricultureUniversity of Novi SadNovi SadSerbia

Nanoparticles promise to improve the treatment of cancer through their increasingly sophisticated functionalisations and ability to accumulate in certain *** recent work has shown that many nanomedicines fail during clinical *** issue is the lack of understanding of how nanoparticle designs impact their ability to overcome transport barriers in the body,including their circulation in the blood stream,extravasation into tumours,transport through tumour tissue,internalisation in the targeted cells,and release of their active *** computational power,as well as improved multi-scale simulations of tumours,nanoparticles,and the biological transport barriers that affect them,now allow us to investigate the influence of a range of designs in biologically relevant scenarios.

关键词： cancer transport overcome

Like or dislike:Response of rodents to the odor of plant secondary metabolites

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Integrative Zoology 2017年第5期12卷 428-436页

作者： sabine C.HANSEN Caroline STOLTER Christian IMHOLT Jens JACOB Julius-Kühn Institute for Plant Protection in Horticulture and Forests Vertebrate ResearchMünsterGermany University Hamburg Biocenter Grindel and Zoological MuseumHamburgGermany

Rodents,including common voles(Microtus arvalis)and house mice(Mus musculus)cause immense pre-harvest and post-harvest ***,developing methods that mitigate these losses while maintaining their role in ecosystems is a *** plant secondary metabolites(PSM)which significantly reduce food intake of both species under laboratory conditions have been ***,before these can be used in rodent pest management,they must be tested under more natural conditions where other food sources are *** this study,the odors of 4 PSMs were evaluated for their repellent effects in experiments conducted in semi-natural *** treated with PSMs or untreated soil(experimental control)was placed in an underground box containing food(rolled oats).We quantified the number of visits to each box and could demonstrate that all 4 PSMs reduced the number of visits to treatment boxes in both rodent *** common voles the combination of methyl nonyl ketone+black pepper oil was the most repellent *** mice made fewer visits to all PSM boxes;boxes with the anthraquinone were visited ***,house mice consumed less food from boxes containing soil treated with all 4 *** results suggest that PSMs are repellent in murid and microtine rodents under semi-field *** addition,the future use of PSM odors for repelling both pest species,especially house mice,seems *** investigations with other PSMs,different concentrations as well as alternative application methods are needed to repel common voles from attractive crops.

关键词： enclosure trials odor plant secondary metabolites repellents rodents

Cardiac Lymphoma： After the Hurricane

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Chinese Medical Journal 2017年第19期130卷 2391-2392页

作者： Marijana Tadic sabine HaSleld Burket Pieske Martin Genger Department of Cardiology Charite-University-Medicine Berlin 13353 Germany Deutsches Zentrum for Herz-Kreislauf-Forschung Berlin 13353 Germany Department of Cardiology Deutsches Herzzentrum Berlin Berlin 13353 Germany

A71-year-old male patient with symptoms and signs of right heart failure was presented. Echocardiographic examination revealed a large tumor mass infiltrating predominantly the right atrium （RA）, tricuspid valve, an... 详细信息

关键词： CELL LYMPHOMA BLOCK

Update on herbal and dietary supplement-induced liver injury:current gaps and future directions

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Hepatobiliary Surgery and Nutrition 2023年第5期12卷 752-755页

作者： sabine Weber Alexander L.Gerbes Department of Medicine II University HospitalLMU MunichMunichGermany

Drug-induced liver injury(DILI)is a rare but potentially life-threatening condition,which accounts for the majority of acute liver failure cases in the US and *** direct hepatoxicity,which is mainly caused by acetaminophen,idiosyncratic DILI is unpredictable and occurs unrelated to the dose or frequency of the ***,DILI cannot only be caused by a large variety of prescription drugs,but also by herbal and dietary supplements(HDS).While HDS-DILI has already played a role in Asian countries like China or Korea for a long time,there is also an increasing incidence of HDS-DILI in countries with formerly less HDS-DILI cases such as the US,presumably due to a rising usage of those remedies(1).

关键词： Herbal and dietary supplements(HDS) liver injury hepatoxicity autoimmune liver diseases

Managing reservoir sedimentation by venting turbidity currents:A review

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International Journal of Sediment Research 2016年第3期31卷 195-204页

作者： sabine Chamoun Giovanni De Cesare Anton J.Schleiss Laboratory of Hydraulic Constructions(LCH) Swiss Federal Institute of Technology Lausanne(EPFL)

Reservoir sedimentation is an issue that dam operators are increasingly facing as dams are *** only does it reduce a reservoir's capacity but it also affects its outlet structures such as bottom outlets and powerhouse *** may also impoverish downstream *** these reasons,several strategies for sediment management are being investigated and applied *** these methods,venting of turbidity currents reaching the dam can be very beneficial and *** measure helps in preserving a certain continuity of sediment transport in rivers obstructed by ***,several practical but also theoretical challenges hamper this technique,rendering its use less common and its aspects relatively *** present paper aims to gather the actual state-of-the-art concerning turbidity currents venting and to present an outlook for future development and research in this field.

关键词： Reservoir management Sedimentation Turbidity current Venting efficiency Bottom outlet

Peptide aptamer-mediated modulation of prion protein α-cleavage as treatment strategy for prion and other neurodegenerative diseases

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Neural Regeneration Research 2018年第12期13卷 2108-2110页

作者： Antonia N.Klein Erica Corda sabine Gilch Department of Ecosystem and Public Health Faculty of Veterinary Medicine University of Calgary Calgary Prion Research Unit University of Calgary Hotchkiss Brain Institute University of Calgary

Despite intensive research,most neurodegenerative diseases cannot be cured and for some of them no treatment is available to increase survival or quality of *** the latter are prion diseases,fatal and transmissible ne... 详细信息

关键词： Peptide aptamer-mediated modulation of prion protein cleavage as treatment strategy for prion and other neurodegenerative diseases