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Phase transition regulation and caloric effect

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 463-477 doi: 10.1007/s11708-023-0860-1

Abstract: Solid state refrigeration based on caloric effect is regarded as a potential candidate for replacing vapor-compression refrigeration. Numerous methods have been proposed to optimize the refrigeration properties of caloric materials, of which single field tuning as a relatively simple way has been systemically studied. However, single field tuning with few tunable parameters usually obtains an excellent performance in one specific aspect at the cost of worsening the performance in other aspects, like attaining a large caloric effect with narrowing the transition temperature range and introducing hysteresis. Because of the shortcomings of the caloric effect driven by a single field, multifield tuning on multicaloric materials that have a coupling between different ferro-orders came into view. This review mainly focuses on recent studies that apply this method to improve the cooling performance of materials, consisting of enlarging caloric effects, reducing hysteresis losses, adjusting transition temperatures, and widening transition temperature spans, which indicate that further progress can be made in the application of this method. Furthermore, research on the sign of lattice and spin contributions to the magnetocaloric effect found new phonon evolution mechanisms, calling for more attention on multicaloric effects. Other progress including improving cyclability of FeRh alloys by introducing second phases and realizing a large reversible barocaloric effect by hybridizing carbon chains and inorganic groups is described in brief.

Keywords： phase transition regulation     caloric effect     solid state refrigeration    

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Moving policy and regulation forward for single-use plastic alternatives

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-021-1423-5

Abstract: Single-use plastics are often used once or cannot be reused for extended periods. They are widely consumed with the rapid development of social economy. The waste generated by single-use plastics threatens ecosystem health by entering the environment and ultimately restricts sustainable human development. The innovation of sustainable and environmentally friendly single-use plastic alternative materials and the joint participation of governments, enterprises and the public are promising technologies and management approaches that can solve the problem of single-use plastics wastes. The development of single-use plastic alternative products can be promoted fundamentally only by improving relevant legislation and standards, providing differentiated industrial policies, encouraging scientific and technological innovation and expanding public participation.

Keywords： Single-use plastic alternatives     Policy     Regulation     Sustainable development    

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Understanding the influencing factors and evolving trends of the Yellow River Water-Sediment Regulation

Frontiers of Engineering Management doi: 10.1007/s42524-024-0304-6

Abstract: Understanding the influencing factors and the evolving trends of the Water-Sediment Regulation Systemkey findings of this study are as follows: between 1990 and 2019, the average Yellow River Sediment Regulation

Keywords： Yellow River     Water-Sediment Regulation System     Yellow River Sediment Regulation Index     system perspective    

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The function and regulation of OTU deubiquitinases

Jiansen Du, Lin Fu, Yingli Sui, Lingqiang Zhang

Frontiers of Medicine 2020, Volume 14, Issue 5,   Pages 542-563 doi: 10.1007/s11684-019-0734-4

Abstract: character, structure and function of OTUs, such as the substrate specificity and catalytic activity regulation

Keywords： ubiquitin     OTU deubiquitinases     structure     function     regulation    

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Regulation of exogenous bFGF gene mediated by recombinant adeno-associated virus

Ke SONG, Nianjing RAO, Meiling CHEN, Yingguang CAO

Frontiers of Medicine 2009, Volume 3, Issue 2,   Pages 158-163 doi: 10.1007/s11684-009-0042-5

Abstract: The regulatory effect of basic fibroblast growth factor (bFGF) mediated by recombinant adeno-associated virus (AAV) was investigated. Recombinant plasmid pAAV-S3-bFGF, and pSVneo were co-transfected into BHK-21 cells, then the recombinant AAV genome was replicated and packaged with the helper virus HSV1-rc/ΔUL2. The titer of the recombinant rAAV2-tet-off-bFGF was determined by dot-blot assay. MC3T3-E1 cells were infected with rAAV2-tet-off-bFGF. Regulatory effects of Doxycycline (Dox) on bFGF and osteogenic factors were assayed quantitatively by real-time reverse transcription-polymerase chain reaction (RT-PCR) and Western blot. The physical particle titer of rAAV2-tet-off-bFGF successfully constructed was 1.8×10 vector genomes/mL, and the virus could infect MC3T3-E1 cells effectively. In MC3T3-E1 cells treated with Dox, the expression levels of exogenous bFGF and osteogenic factors declined to varying degrees. It was concluded that rAAV2-tet-off-bFGF could infect MC3T3 cells efficiently, and this recombinant system could be regulated successfully by Dox .

Keywords： tetracycline regulatory system     adeno-associated virus     basic fibroblast growth factor     gene regulation    

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Molecular regulation and genetic improvement of seed oil content in

Wei HUA,Jing LIU,Hanzhong WANG

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 3,   Pages 186-194 doi: 10.15302/J-FASE-2016107

Abstract: In this review, we present current progress in understanding of the regulation of oil content in , includinggenetics, biosynthesis pathway, transcriptional regulation, maternal effects and QTL analysis.

Keywords： breeding     maternal effects     oilseed rape     QTL    

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RECENT ADVANCES IN THE REGULATION OF CLIMACTERIC FRUIT RIPENING: HORMONE, TRANSCRIPTION FACTOR AND EPIGENETIC

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 2,

Abstract: factors such as transcription factors (TFs) and epigenetic modifications also play vital role in the regulation

Keywords： climacteric fruit ripening / phytohormones / TFs / epigenetic modifications    

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Gas pressure-sensitive regulation of exciton state of monolayer tungsten disulfide

Frontiers of Chemical Science and Engineering 2024, Volume 18, Issue 11, doi: 10.1007/s11705-024-2483-4

Abstract: Over the past few decades, significant progress has been made in thin-film optoelectronic devices based on transition metal dichalcogenides. However, the exciton states’ sensitivity to the environment presents challenges for device applications. This study reports the evolution of photoinduced exciton states in monolayer tungsten disulfide in a low-pressure environment to help elucidate the physical mechanism of the transition between neutral and charged excitons. At 222 mTorr, the transition rate between excitons comprises two components: 0.09 s–1 and 1.68 s–1. Based on this phenomenon, we developed a pressure-tuning method that allows for a tuning range of approximately 40% of exciton weight. Our study demonstrates that the intensity of neutral exciton emission from monolayer tungsten disulfide follows a power-law distribution in relation to pressure, indicating a highly sensitive pressure dependence. We provide a nondestructive and highly sensitive method for exciton conversion through in situ optical manipulation. This highlights the potential development of monolayer tungsten disulfide for pressure sensors and explains the impact of environmental factors on the product quality in photovoltaic devices. In addition, it demonstrates the promising future of monolayer transition metal dichalcogenides in applications such as photovoltaic devices and miniature biochemical sensors.

Keywords： neutral exciton state     charged exciton state     transition metal dichalcogenides     pressure sensitive    

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Simulation analysis of pressure regulation of hydraulic thrust system on a shield tunneling machine

Zhibin LIU, Haibo XIE, Huayong YANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 377-382 doi: 10.1007/s11465-011-0226-y

Abstract: Pressure regulation of thrust cylinders is the most important function for thrust system during tunnelPressure regulation of a certain group’s cylinders has little influence on regulation of the otherPump displacement may have a greater effect on pressure regulation and oil supply flow rate should beA exacting situation is simulated to explain how pressure regulation works during tunnel excavation.

Keywords： tunnel     hydraulic thrust system     pressure regulation     simulation    

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A comprehensive review of wind power based power system frequency regulation

Frontiers in Energy 2023, Volume 17, Issue 5,   Pages 611-634 doi: 10.1007/s11708-023-0876-6

Abstract: Thus, the capability of WP participating in the system frequency regulation has become a research hotspotIn addition, various existing control strategies of WP participating in frequency regulation are reviewedMoreover, the WP combing with energy storage system (ESS) for system frequency regulation is exploredFurthermore, the prospects, future challenges, and solutions of WP participating in power system frequency regulation

Keywords： frequency regulation strategies     wind turbine generators     grid-forming control     model predictive control    

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RECENT ADVANCES IN THE REGULATION OF CLIMACTERIC FRUIT RIPENING: HORMONE, TRANSCRIPTION FACTOR AND EPIGENETIC

Yinglin JI, Mingyang XU, Aide WANG

Frontiers of Agricultural Science and Engineering   Pages 314-334 doi: 10.15302/J-FASE-2021386

Abstract: factors such as transcription factors (TFs) and epigenetic modifications also play vital role in the regulation

Keywords： climacteric fruit ripening     phytohormones     TFs     epigenetic modifications    

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The genetic regulation of skeletal muscle development: insights from chicken studies

Wen LUO, Bahareldin A. ABDALLA, Qinghua NIE, Xiquan ZHANG

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 3,   Pages 295-304 doi: 10.15302/J-FASE-2017159

Abstract: The aim of this review is to summarize recent knowledge about the genetic factors involved in the regulationResearch on the regulation of skeletal muscle development in chicken is not yet comprehensive and mostassociation studies still require further investigation and analysis and comprehensive studies on the regulation

Keywords： chicken     epigenetic modification     miRNAs     skeletal muscle development     SNP     transcription factor    

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Cutting CO emissions through demand side regulation: Implications from multi-regional input–output linear

Frontiers of Engineering Management 2022, Volume 9, Issue 3,   Pages 452-461 doi: 10.1007/s42524-022-0209-1

Abstract: A particular feature of this study is the identification of the optimal regulation sequence of finalNevertheless, certain demand side regulation strategy can be adopted to lower CO2 emissions

Keywords： CO2 emissions     demand side regulation     multi-regional input–output model     linear programming    

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Interactions between remote ischemic conditioning and post-stroke sleep regulation

Frontiers of Medicine 2021, Volume 15, Issue 6,   Pages 867-876 doi: 10.1007/s11684-021-0887-9

Abstract: the efferents of the vagal nerve, and reset the circadian clocks, all of which are involved in sleep regulationOn the basis of the common mechanisms of remote ischemic conditioning and sleep regulation, a causal

Keywords： remote ischemic conditioning     sleep regulation     stroke    

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Interfacial induction and regulation for microscale crystallization process: a critical review

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 838-853 doi: 10.1007/s11705-021-2129-8

Abstract: The precise regulation and control of microscale crystal processes is still a major challenge.development directions are outlined to emphasize the importance of interfacial crystallization control and regulation

Keywords： interfacial crystallization     heterogeneous nucleation     supersaturation     micro/nanostructure     process control and intensification    

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Title Author Date Type Operation

Phase transition regulation and caloric effect

Journal Article

Moving policy and regulation forward for single-use plastic alternatives

Journal Article

Understanding the influencing factors and evolving trends of the Yellow River Water-Sediment Regulation

Journal Article

The function and regulation of OTU deubiquitinases

Jiansen Du, Lin Fu, Yingli Sui, Lingqiang Zhang

Journal Article

Regulation of exogenous bFGF gene mediated by recombinant adeno-associated virus

Ke SONG, Nianjing RAO, Meiling CHEN, Yingguang CAO

Journal Article

Molecular regulation and genetic improvement of seed oil content in

Wei HUA,Jing LIU,Hanzhong WANG

Journal Article

RECENT ADVANCES IN THE REGULATION OF CLIMACTERIC FRUIT RIPENING: HORMONE, TRANSCRIPTION FACTOR AND EPIGENETIC

Journal Article

Gas pressure-sensitive regulation of exciton state of monolayer tungsten disulfide

Journal Article

Simulation analysis of pressure regulation of hydraulic thrust system on a shield tunneling machine

Zhibin LIU, Haibo XIE, Huayong YANG

Journal Article

A comprehensive review of wind power based power system frequency regulation

Journal Article

RECENT ADVANCES IN THE REGULATION OF CLIMACTERIC FRUIT RIPENING: HORMONE, TRANSCRIPTION FACTOR AND EPIGENETIC

Yinglin JI, Mingyang XU, Aide WANG

Journal Article

The genetic regulation of skeletal muscle development: insights from chicken studies

Wen LUO, Bahareldin A. ABDALLA, Qinghua NIE, Xiquan ZHANG

Journal Article

Cutting CO emissions through demand side regulation: Implications from multi-regional input–output linear

Journal Article

Interactions between remote ischemic conditioning and post-stroke sleep regulation

Journal Article

Interfacial induction and regulation for microscale crystallization process: a critical review

Journal Article