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Will auctioning promote the renewable energy generation in china?

Advances in Climate Change Research 2022年第1期13卷 107-117页

作者： Er-Dong ZHAO jue-chi song Jian-Min CHEN Li-Wei LIU Ming-song CHEN School of Management and Economics Beijing Institute of TechnologyBeijing 100081China School of Economics&Management North China Electric Power UniversityBeijing 102206China International Business School University of International Business and EconomicsBeijing 100029China School of Arts and Sciences Tufts UniversityMassachusetts 02155USA

Renewable energy generation,as part of the global effort to mitigate climate change,will play a central role in reducing greenhouse gas emissions and achieving china's goal of carbon emissions peak before 2030 and carbon neutral before ***,the impact of carbon quota auctions on renewable energy generation has not been sufficiently *** main purpose of this study is to investigate whether china can rely on quota auctions to increase renewable energy generation in the short term,and to demonstrate which is more effective in promoting renewable energy development,policy enforcement or auction constraints?The improved neo-trans-log production model,the multiobjective linear programming model and the dispatch heuristic were used to predict additional emission reduction cost,optimized power mix with different auctioning rates,with economic development,technological progress and the unique characteristics of china's power generation industry being taken into *** results show that the auctioning rate will have little influence on the optimized energy production structure,especially on the share of renewable energy resources;when the total on-grid electricity generation ranges from 7625 to 7926 billion kW h and the auctioning rate ranges from 0% to 5%,policy enforcement will influence the generation of renewable energy to a greater extent than auctioning in the near future.

关键词： Emission trading scheme Power generation industry Renewable energy resources Auctioning china cap and trade Renewable energy policy in china china's carbon emission trading market

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Strategic Study on the Development of Space Science in china and Proposals for Future Missions

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空间科学学报 2024年第4期44卷 699-703页

作者： WANG chi song Tingting LI Ming CAO song National Space Science Center Chinese Academy of SciencesBeijing 100190

Since 2011,the chinese Academy of Sciences(CAS)has implemented the Strategic Priority Program on Space Science(SPP).A series of scientific satellites have been developed and launched,such as Dark Matter Particle Explorer(DAMPE),Quantum Experiments at Space Scale(QUESS),Advanced Space-based Solar Observatory(ASO-S),Einstein Probe(EP),and significant scientific outcomes have been *** order to plan the future space science missions in china,CAS has organized the chinese space science community to conduct medium and long-term development strategy studies,and summarized the major scientific frontiers of space science as“One Black,Two Dark,Three Origins and Five Characterizations”.Five main scientific themes have been identified for china’s future breakthroughs,including the Extreme Universe,Space-Time Ripples,the Panoramic View of the Sun and Earth,the Habitable Planets,and Biological&Physical Science in *** science satellite missions to be implemented before 2030 are proposed accordingly.

关键词： Space science Space missions Space exploration

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Influences of oscillation on the physical stability and explosion characteristics of solid-liquid mixed fuel

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Defence Technology（防务技术） 2024年第10期40卷 191-198页

作者： chi Zhang Ge song Hui Guo Jiafan Ren Chunhua Bai Beijing Aerospace Propulsion Institute Beijing 100076China State Key Laboratory of Explosion Science and Technology Beijing Institute of TechnologyBeijing 100081China

The stratification phenomenon resulting from differences in the physical properties of solid-liquid components seriously affect the final combustion and explosion characteristics of mixed fuel under the action of *** effects of oscillation on the physical stability of mixed fuel with two solid-liquid ratios and three liquid component distribution ratios have been investigated using a self-designed experimental system at oscillation frequencies of 60-300 r/*** explosion characteristics of mixed fuel before and after oscillation are gained from a 20 L spherical explosion container *** the mass ratio of liquid components is controlled at 66.9%,64.7%,62.6%the final explosion characteristics are stable,with a maximum difference of only 0.71%.The volume of liquid fuel precipitation increases with increasing oscillation frequency when the mass ratio of liquid components reaches 71.7%,69.6%,67.7%.The fuel explosion overpressure after oscillation decreases with increasing liquid precipitation volume,and the repeatability is poor,with a maximum standard deviation of 82.736,which is much higher than the ratio without *** controlling the mass ratio of liquid components of the mixed fuel can effectively combat the impact of oscillation on the physical state and maintain the stability of the final explosion characteristics.

关键词： Solid-liquid mixed fuel Physical stability Explosion characteristics

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Inferring the Effects of Protein Variants on Protein-Protein Interactions with Interpretable Transformer Representations

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Research 2024年第2期2023卷 473-489页

作者： Zhe Liu Wei Qian Wenxiang Cai Weichen song Weidi Wang Dhruba Tara Maharjan Wenhong Cheng jue Chen Han Wang Dong Xu Guan Ning Lin Shanghai Mental Health Center Shanghai Jiao Tong University School of MedicineSchool of Biomedical EngineeringShanghai Jiao Tong UniversityShanghaiChina Shanghai Key Laboratory of Psychotic Disorders ShanghaiChina School of Information Science and Technology Institute of Computational BiologyNortheast Normal UniversityChangchunChina Department of Electrical Engineering and Computer Science University of MissouriColumbiaMO 65211USA Christopher S.Bond Life Sciences Center University of MissouriColumbiaMO 65211USA

Identifying pathogenetic variants and inferring their impact on protein-protein interactions sheds light on their functional consequences on *** by the availability of experimental data on the consequences of protein interaction,most existing methods focus on building models to predict changes in protein binding ***,we introduced MIPPI,an end-to-end,interpretable transformer-based deep learning model that learns features directly from sequences by leveraging the interaction data from *** was specifically trained to determine the types of variant impact(increasing,decreasing,disrupting,and no effect)on protein-protein *** demonstrate the accuracy of MIPPI and provide interpretation through the analysis of learned attention weights,which exhibit correlations with the amino acids interacting with the ***,we showed the practicality of MIPPI in prioritizing de novo mutations associated with complex neurodevelopmental disorders and the potential to determine the pathogenic and driving ***,we experimentally validated the functional impact of several variants identified in patients with such ***,MIPPI emerges as a versatile,robust,and interpretable model,capable of effectively predicting mutation impacts on protein-protein interactions and facilitating the discovery of clinically actionable variants.

关键词： consequences weights versatile

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Optoelectronic tuning of plasmon resonances via optically modulated hot electrons

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National Science Review 2024年第5期11卷 134-141页

作者： Jiacheng Yao Cheng Wang chi Zhang song Ma Li Zhou Ti Wang Ququan Wang Hongxing Xu Tao Ding Key Laboratory of Artificial Micro Nano Structure of Ministry of Education School of Physics and Technology Wuhan University Department of Physics Southern University of Science and Technology

Fast optical modulation of nanoplasmonics is fundamental for on-chip integration of all-optical *** various strategies have been proposed for dynamic modulation of surface plasmons, critical issues of device compatibility and extremely low efficiency in the visible spectrum hamper the application of optoplasmonic nanochips. Here we establish an optoplasmonic system based on Au@Cu2–xS hybrid core–shell nanoparticles. The optical excitation of hot electrons and their charge transfer to the semiconductor coating(Cu2–xS) lead to lowered electron density of Au, which results in the red shift of the localized surface plasmon resonance. The hot electrons can also transport through the Cu2–xS layer to the metal substrate, which increases the conductance of the nanogap. As such, the coupled gap plasmon blue-shifts with a magnitude of up to ～15 nm, depending on the excitation power and the thickness of the coatings, which agrees with numerical simulations. All of this optoelectronic tuning process is highly reversible, controllable and fast with a modulated laser beam, which is highly compatible and sufficiently useful for on-chip integration of nanophotonic devices.

关键词： hot carriers plasmon switching optoplasmonics circuit modelNPoM

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人工智能加速GPCR配体的发现

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Engineering 2024年第1期32卷 18-28页

作者： Wei Chen chi song Liang Leng Sanyin Zhang Shilin Chen State Key Laboratory of Southwestern chinese Medicine Resources Innovative Institute of Chinese Medicine and PharmacyChengdu University of Traditional Chinese MedicineChengdu 611137China Institute of Herbgenomics Chengdu University of Traditional Chinese MedicineChengdu 611137China

G protein-coupled receptors(GPCRs)are crucial players in various physiological processes,making them attractive candidates for drug ***,traditional approaches to GPCR ligand discovery are time-consuming and *** emergence of artificial intelligence(AI)methods has revolutionized the field of GPCR ligand discovery and has provided valuable tools for accelerating the identification and optimization of GPCR *** this study,we provide guidelines for effectively utilizing AI methods for GPCR ligand discovery,including data collation and representation,model selection,and specific ***,the online resources that are instrumental in GPCR ligand discovery were summarized,including databases and repositories that contain valuable GPCR-related information and ligand ***,GPCR and ligand representation schemes that can convert data into computer-readable formats were ***,the key applications of AI methods in the different stages of GPCR drug discovery were discussed,ranging from GPCR function prediction to ligand design and agonist ***,an AI-driven multi-omics integration strategy for GPCR ligand discovery that combines information from various omics disciplines was ***,the challenges and future directions of the application of AI in GPCR research were *** conclusion,continued advancements in AI techniques coupled with interdisciplina ry collaborations will offer great potential for improving the efficiency of GPCR ligand discovery.

关键词： G protein-coupled receptor Ligand Artificial intelligence Multi-omics Drug discovery

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The Persistence and Zonal Scale of Atmospheric Dipolar Modes

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Advances in Atmospheric Sciences 2024年第3期41卷 478-492页

作者： Jie song State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics(LASG) Institute of Atmospheric Physics(IAP)Chinese Academy of SciencesBeijing 100029China

This study investigates the relationship between the persistence and the zonal scale of atmospheric dipolar modes(DMs). Results from the daily data of ERA5 and the long-term output of an idealized atmospheric model show that the atmospheric DMs with a broader(narrower) zonal scale dipolar structure possess a longer(shorter) persistence. A detailed vorticity budget analysis indicates that the persistence of a hemispheric-scale DM(1/1 DM) and a regional or sectoral DM(1/8 DM) in the model both largely rely on the persistence of the nonlinear eddy forcing. Linear terms can indirectly reduce the persistence of the anomalous nonlinear eddy forcing in a 1/8 DM by modifying the baroclinicity via the arousal of anomalous vertical motions. Therefore, the atmospheric DMs with a broader(narrower) zonal scale possess a longer(shorter) persistence because the effects of the linear terms are less(more) pronounced when the atmospheric DMs have better(worse) zonal symmetry. Further analyses show that the positive eddy feedback effect is weak or even absent in a 1/8DM and the high-frequency eddy forcing acts more like a concomitant phenomenon rather than a leading driving factor for a 1/8 DM. Thus, the hemispheric-scale DM and the regional or sectoral DMs are different, not only in their persistence but also in their dynamics.

关键词： NAM NAO eddy feedback persistence linear term

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Distinct molecular targets of ProEGCG from EGCG and superior inhibition of angiogenesis signaling pathways for treatment of endometriosis

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Journal of Pharmaceutical Analysis 2024年第1期14卷 100-114页

作者： Sze Wan Hung Massimiliano Gaetani Yiran Li Zhouyurong Tan Xu Zheng Ruizhe Zhang Yang Ding Gene chi Wai Man Tao Zhang Yi song Yao Wang Jacqueline Pui Wah Chung Tak Hang Chan Roman A.Zubarev chi chiu Wang Department of Obstetrics&Gynaecology The Chinese University of Hong KongHong KongChina Division of Physiological Chemistry I Department of Medical Biochemistry and BiophysicsKarolinska InstitutetStockholmSE 17177Sweden Chemical Proteomics Core Facility Department of Medical Biochemistry and BiophysicsKarolinska InstitutetStockholmSE 17177Sweden Unit of Chemical Proteomics Science for Life Laboratory(SciLifeLab)StockholmSE 17177Sweden Center for Reproductive Medicine Henan Key Laboratory of Reproduction and GeneticsThe First Affiliated Hospital of Zhengzhou UniversityZhengzhou450003China Department of Chemistry McGill UniversityMontrealH3A2K6Canada Department of Pharmacological&Technological Chemistry I.M.Sechenov First Moscow State Medical UniversityMoscow119146Russia Reproduction and Development Li Ka Shing Institute of Health SciencesThe Chinese University of Hong KongHong KongChina School of Biomedical Sciences The Chinese University of Hong KongHong KongChina chinese University of Hong Kong-Sichuan University Joint Laboratory in Reproductive Medicine The Chinese University of Hong KongHong KongChina

Endometriosis is a common chronic gynecological disease with endometrial cell implantation outside the *** is a major pathophysiology in *** previous studies have demonstrated that the prodrug of epigallocatechin gallate(ProEGCG)exhibits superior anti-endometriotic and anti-angiogenic effects compared to epigallocatechin gallate(EGCG).However,their direct binding targets and underlying mechanisms for the differential effects remain *** this study,we demonstrated that oral ProEGCG can be effective in preventing and treating ***,1D and 2D Proteome Integral Solubility Alteration assay-based chemical proteomics identified metadherin(MTDH)and PX domain containing serine/threonine kinase-like(PXK)as novel binding targets of EGCG and ProEGCG,*** simulation and BioLayer interferometry were used to confirm their binding *** results showed that MTDH-EGCG inhibited protein kinase B(Akt)-mediated angiogenesis,while PXK-ProEGCG inhibited epidermal growth factor(EGF)-mediated angiogenesis via the EGF/hypoxia-inducible factor(HIF-1a)/vascular endothelial growth factor(VEGF)*** vitro and in vivo knockdown assays and microvascular network imaging further confirmed the involvement of these signaling ***,our study demonstrated that ProEGCG has superior therapeutic effects than EGCG by targeting distinct signal transduction pathways and may act as a novel antiangiogenic therapy for endometriosis.

关键词： Molecular targets ProEGCG EGCG Angiogenesis Treatment Endometriosis

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Compliant Iontronic Triboelectric Gels with Phase-Locked Structure Enabled by Competitive Hydrogen Bonding

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Nano-Micro Letters 2024年第9期16卷 180-194页

作者： Guoli Du Yuzheng Shao Bin Luo Tao Liu Jiamin Zhao Ying Qin Jinlong Wang song Zhang Mingchao chi Cong Gao Yanhua Liu Chenchen Cai Shuangfei Wang Shuangxi Nie School of Light Industry and Food Engineering Guangxi UniversityNanning 530004People’s Republic of China

Rapid advancements in flexible electronics technology propel soft tactile sensing devices toward high-level biointegration,even attaining tactile perception capabilities surpassing human ***,the inherent mechanical mismatch resulting from deficient biomimetic mechanical properties of sensing materials poses a challenge to the application of wearable tactile sensing devices in human-machine *** by the innate biphasic structure of human subcutaneous tissue,this study discloses a skin-compliant wearable iontronic triboelectric gel via phase separation induced by competitive hydrogen ***-nonsolvent interactions are used to construct competitive hydrogen bonding systems to trigger phase separation,and the resulting soft-hard alternating phase-locked structure confers the iontronic triboelectric gel with Young’s modulus(6.8-281.9 kPa)and high tensile properties(880%)compatible with human *** abundance of reactive hydroxyl groups gives the gel excellent tribopositive and self-adhesive properties(peel strength>70 N m^(−1)).The self-powered tactile sensing skin based on this gel maintains favorable interface and mechanical stability with the working object,which greatly ensures the high fidelity and reliability of soft tactile sensing *** strategy,enabling skin-compliant design and broad dynamic tunability of the mechanical properties of sensing materials,presents a universal platform for broad applications from soft robots to wearable electronics.

关键词： Triboelectric nanogenerator Cellulose Triboelectric gel Self-powered sensor Energy harvesting

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Identification of Linear Systems Using Binary Sensors with Random Thresholds

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Journal of Systems Science & Complexity 2024年第3期37卷 907-923页

作者： HUANG Zhiyong song Qijiang School of Mathematics Renmin University of ChinaBeijing 100872China School of Mathematics Sino-French InstituteRenmin University of ChinaBeijing 100872China

In this paper,the problem of identifying autoregressive-moving-average systems under random threshold binary-valued output measurements is *** the help of stochastic approximation algorithms with expanding truncations,the authors give the recursive estimates for the parameters of both the linear system and the binary *** reasonable conditions,all constructed estimates are proved to be convergent to the true values with probability one,and the convergence rates are also established.A simulation example is provided to justify the theoretical results.

关键词： α-mixing binary sensor quantized system stochastic approximation stochastic thresh-old strongly consistent system identification

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