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A Dispatching Method for Integrated Energy System Based on Dynamic Time-interval of Model Predictive Control

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Journal of Modern Power Systems and Clean Energy 2020年第5期8卷 841-852页

作者： Xun Dou Jun Wang Zhen Wang Lijuan Li Linquan Bai Shuhui ren min Gao IEEE College of Electrical Engineering and Control Science Nanjing Tech UniversityNanjingChina Department of Systems Engineering and Engineering Management University of North Carolina at CharlotteCharlotteUSA Falcon Computing Solutions 10880 Wilshire Blvd Suite 1132Los AngelesCA 90024USA

In integrated energy systems(IESs),traditional fixed time-interval dispatching scheme is unable to adapt to the need of dynamic properties of the transient network,demand response characteristics,dispatching time scales in energy subsystems and renewable power *** scheme may easily result in uneconomic source-grid-load-storage operations in *** this paper,we propose a dispatching method for IES based on dynamic time-interval of model predictive control(MPC).We firstly build models for energy sub-systems and multi-energy loads in the power-gas-heat ***,we develop an innovative optimization method leveraging trajectory deviation control,energy control,and cost control frameworks in MPC to handle the requirements and constraints over the timeinterval of ***,a dynamic programming algorithm is introduced to efficiently solve the proposed *** and simulation results prove the effectiveness of the method.

关键词： Dispatching scheme dynamic time-interval integrated energy system model predictive control

Effects of Ni addition on the order-disorder transitions of Fe-Pt intermetallic compounds:An experimental study on Fe-Ni-Pt phase diagrams

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Journal of Materials Science & Technology 2024年第15期182卷 54-66页

作者： Zunhong Wen Yanglin Wang Wensheng Zhao min Jiang Hongxiao Li Yuping ren Gaowu Qin Key Laboratory for Anisotropy and Texture of Materials Ministry of EducationSchool of Materials Science and EngineeringNortheastern UniversityShenyang 110819China Research Center for Metallic Wires Northeastern UniversityShenyang 110819China

The Fe-Pt based intermetallic compounds exhibit good chemical stability and unique magnetic proper-ties,where Ni is an important additional element to optimize the magnetic properties or obtain the outstanding catalytic performances of the Fe-Pt based *** of how Ni addition affects the order-disorder transitions of the Fe-Pt intermetallics is thus necessary;however,the related information is ***,in this work,the phase diagrams of the Fe-Ni-Pt system were experimentally in-vestigated,and as a result,the isothermal sections of the Fe-Ni-Pt system at 600 and 900℃,as well as the vertical sections of Fe_(80)Ni_(20)-Pt_(80)Ni_(20)and Fe_(50)Pt_(50)-Ni_(50)Pt_(50)were *** on these re-sults,the influences of Ni addition on the crystal stabilities and phase transformations of the ordered Fe-Pt intermetallics have been well *** results show that the L1_(0)-FePt and L1_(0)-NiPt phases form a ternary continuous solid solution of L1_(0)-(Fe,Ni)Pt,whereas Ni can dissolve in the L1_(2)-Fe_(3)Pt and L1_(2)-FePt_(3)phases as high as 57.0 at.%and 26.0 at.%at 600℃,*** selective occupancy of Ni atoms has been predicted,which should depend on the alloy *** both the L1_(0)-(Fe,Ni)Pt and L1_(2)-FePt_(3)phases,when Pt contents are less than their stoichiometric values,Ni atoms will preferentially occupy the Pt sublattice,forming as many nearest-neighbor Fe-Pt bonds as *** these results can correlate the alloy compositions,annealing temperatures and crystal structures to both magnetic and catalytic properties,thus providing a basis for optimizing the Fe-Ni-Pt alloys towards enhanced magnetic or catalytic performances.

关键词： Fe-Ni-Pt Phase diagram Phase equilibria Order-disorder transition

Ultrastructural Changes of Sphaerotheca fuliginea (Schlechtend.:Fr.) Pollacci in Cucumber After Treated by Chrysophanol

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Journal of Integrative Agriculture 2012年第6期11卷 970-977页

作者： ren Hong-min FAN Fan CAO Ke-qiang Department of Plant Protection Agricultural University of HebeiBaoding 071001P.R.China

Chrysophanol （1,8-dihydroxy-3-methylanthraquinone） is a free anthraquinone compound and a secondary metabolite of medicinal plant rhubarb. Chrysophanol has been reported to have both protective and curative activity against Sphaerotheca fuliginea （Schlechtend.：Fr.） Pollacci, the causal agent of cucumber powdery mildew. In this paper the ultrastructure of powdery mildew on cucumber leaves was studied using electron microscopy after the leaves were treated with chrysophanol. Results showed that preventive treatments with chrysophanol affected fungal development, including spore germination, appressorial formation, and penetration. In the curative treatment, chrysophanol affected fungal survival, resulting in broken cell wall of germ tubes, swelling and collapse of hyphal tips, hyphal malformation, delayed and reduced sporulation. The morphological changes induced by chrysophanol at the ultrastructural level were reflected by haustorium deformation, vacuolization, abortion, and necrosis. Host cell walls infected or adjacent to haustoria were thickened. All these morphological changes of S. fuliginea further confirmed the fungicidal activity of chrysophanol on powdery mildew of cucumber.

关键词： chrysophanol electronic microscopy powdery mildew ultrastructure

Phase equilibria of low-Ni side in Nb-Ni-Ti system at 1100℃

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Rare Metals 2020年第8期39卷 936-941页

作者： Hong-Xiao Li Zhi-Chao Li Yu-Ping ren min Jiang Gao-Wu Qin Key Laboratory for Anisotropy and Texture of Materials Ministry of EducationNortheastern UniversityShenyang 110819China

The phase equilibria related to liquid phase in low-Ni side of Nb-Ni-Ti system at 1100℃were investigated through scanning electron microscope(SEM),electron probe micro-analyzer(EPMA),X-ray diffraction(XRD)and differential scanning calorimetry(DSC).The results show that there exists liquid phase in equilibrium with continuous solid solution(Nb,βTi)and compound TiNi in low-Ni side of Nb-Ni-Ti system at 1100℃.The liquid phase region originates from low-Ni side of binary TiNi system and extends to 9.4 at%Nb in isothermal section of Nb-Ni-Ti phase *** solid solubility of Nb in binary compound TiNi is about 10.6 at%.At 1100℃,there exist two three-phase regions consisting of liquid+(Nb,βTi)+TiNi and(Nb,βTi)+TiNi+X_B in Nb-Ni-Ti system,where X_B is the compound with hexagonal structure and composition of 32.8 Nb-44.5 Ni-22.7 *** wide two-phase region(Nb,βTi)+TiNi exists between these two three-phase *** this two-phase region,Ti content in continuous solid solution(Nb,βTi)varies from6.6 at%to 25.7 at%,but Ni content is almost the same,which is about 4.0 at%.The eutectic transformation L■(Nb,βTi)+TiNi takes place at about 1138℃in Nb-Ni-Ti ternary system.

关键词： Nb-Ni-Ti system Phase equilibrium Liquid phase Solid solubility

Phase equilibria of low-Y side in Mg-Zn-Y system at 400℃

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Rare Metals 2020年第3期39卷 262-269页

作者： Bo-Shu Liu Hong-Xiao Li Yu-Ping ren min Jiang Gao-Wu Qin Key Laboratory for Anisotropy and Texture of Materials Ministry of EducationNortheastern UniversityShenyang110819China

Phase equilibrium relations of the Mg-Zn-Y system in the low-Y side at 400℃were investigated by alloy-equilibrated method,combined with thermal *** results show that there is a liquid phase which could be in equilibrium with an a-Mg solid solution and an icosahedral quasicrystal I phase in the low-Y side of the Mg-Zn-Y system at 400℃.The liquid phase region originates from the binary Mg-Zn system and extends to 0.4 at%Y in the Mg-Zn-Y ***,the hexagonal structure H phase,fee W phase and LPSO phase(X phase)are in equilibrium with *** Y/Zn(atomic ratio,the same as follows)increasing,there exist four three-phase regions consisting of I+liquid+α-Mg,I+H+α-Mg,H+W+α-Mg and W+X+α-Mg,respectively,in the low-Y side of the isothermal section at 400℃.The twophase region a-Mg+I phase exists between I+H+aMg and I+liquid+*** this two-phase region,the Y/Zn ratio is in the range of 0.14-0.17;and a three-phase region of a-Mg+I phase+H phase appears when Y/Zn ratio comes up to *** I but W phase is in equilibrium with a-Mg,when Y/Zn ratio>*** system is in liquid-state phase equilibrium,when Y/Zn ratio<0.14.

关键词： Mg-Zn-Y system Phase equilibrium Icosahedral quasicrystal phase Solid solubility

Epstein-Barr virus-encoded small RNAs in idiopathic orbital inflammatory pseudotumor tissues: a comparative case series

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International Journal of Ophthalmology(English edition) 2017年第8期10卷 1268-1272页

作者： min-Wei ren Yi Du Shan ren Cheng-Ye Tang Jian-Feng He Department of Ophthalmology the First Affiliated Hospital of Guangxi Medical University Department of Ophthalmology Liuzhou People's Hospital

AIM： To investigate the positive rate and types of cells that express Epstein-Barr virus-encoded small RNAs （EBERs） and to determine the distribution of EBER-expressing cells in idiopathic orbital inflammatory pseudotumor （IOIP） tissues. METHODS： We retrospectively examined 40 archived paraffin specimens from two teaching hospitals in Southern China between January 2007 and January 2015 that were pathologically determined to exhibit IOIP. Eleven concurrent paraffin specimens of thyroid-associated ophthalmopathy （TAO） composed the control group. In situ hybridization was performed to detect EBERs. Immunohistochemistry was employed to detect CD3, CD20, Vimentin, and smooth muscle actin （SMA）, and the positive rate, types of positive cells, and distribution and location of EBERs were evaluated. RESULTS： The positive expression rate of EBERs was 47.5% （19/40） in the IOIP group, which was significantly higher than that in the TAO group [0 （0/11）, P=-0.011]. in the IOIP group, the lymphocyte infiltrative subtype, fibrotic subtype, and mixed subtype exhibited EBER-positive rates of 57.1% （12121）, 12.5% （118）, and 54.5% （6/11）, respectively, and no significant differences were found between these subtypes （P=0.085）. Positive signals of EBERs were mainly present in medium-small lymphocytes between or around follicles and in the nuclei of activated immunoblasts （14/19）. CONCLUSION： The positive rate, types, and distribution of EBER-expressing cells in IOIP have been *** findings are conducive for a better understanding of the underlying mechanisms of Epstein-Barr virus infection in IOIP pathogenesis.

关键词： Epstein-Barr virus Epstein-Barr virus-encoded small RNAs thyroid eye disease Graves' ophthalmopathy idiopathic orbital inflammatory disease

PP2A interacts with KATANIN to promote microtubule organization and conical cell morphogenesis

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Journal of Integrative Plant Biology 2022年第8期64卷 1514-1530页

作者： Huibo ren Jinqiu Rao min Tang Yaxing Li Xie Dang Deshu Lin Basic Forestry and Proteomic Research Center Fujian Provincial Key Laboratory of Plant Functional BiologyKey Laboratory of Ministry of Education for GeneticsBreeding and Multiple Utilization of CropsFujian Agriculture and Forestry UniversityFuzhou 350002China Haixia Institute of Sciences and Technology Fujian Agriculture and Forestry UniversityFuzhou 350002China

The organization of the microtubule cytoskeleton is critical for cell and organ *** evolutionarily conserved microtubule-severing enzyme KATANIN plays critical roles in microtubule organization in the plant and animal *** previously used conical cell of Arabidopsis thaliana petals as a model system to investigate cortical microtubule organization and cell morphogenesis and determined that KATANIN promotes the formation of circumferential cortical microtubule arrays in conical ***,we demonstrate that the conserved protein phosphatase PP2A interacts with and dephosphorylates KATANIN to promote the formation of circumferential cortical microtubule arrays in conical *** undergoes cycles of phosphorylation and *** co-immunoprecipitation coupled with mass spectrometry,we identified PP2A subunits as KATANIN-interacting *** biochemical studies showed that PP2 A interacts with and dephosphorylates KATANIN to stabilize its cellular *** to the katanin mutant,mutants for genes encoding PP2A subunits showed disordered cortical microtubule arrays and defective conical cell *** together,these findings identify PP2A as a regulator of conical cell shape and suggest that PP2A mediates KATANIN phospho-regulation during plant cell morphogenesis.

关键词： conical cells cortical microtubules KATANIN morphogenesis phospho-regulation protein phosphatase PP2A

Highly efficient synthesis and application of aryl diazonium salts via femtosecond laser-tailored 3D flow microfluidic chips

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Chinese Chemical letters 2023年第4期34卷 326-331页

作者： Jing ren Miao Wu Kaiwu Dong min Zhang Ya Cheng Guoyue Shi School of Chemistry and Molecular Engineering Shanghai Key Laboratory for Urban Ecological Processes and Eco-RestorationEast China Normal UniversityShanghai 200241China School of Physics and Electronic Science East China Normal UniversityShanghai 200241China

The first example of the microfluidic chips(MFCs) consisting of centimeter-level 3D channels with highdensity and large-volume fabricated by femtosecond laser micromachining were utilized to develop a time-saving, economical and hazardless flow synthesis process, and its advantages have been proved by in situ formation of aryldiazonium salts and subsequent borylation with bis(pinacolato)diboron. There are several important advantages in our 3D MFC-based flow synthesis technology, including the following:(1) the reaction temperature was altered from ice bath to room temperature;(2) the residence time was reduced by 10 times;(3) the yield was greatly improved, that is, several arylboronates were successfully obtained with higher yield compared to traditional batch process. Therefore, it can be envisioned that a novel, simplified flow synthetic protocol will be developed toward green organic synthesis via MFCs.

关键词： 3D microfluidic chips Femtosecondlasermicromachining Flow synthesis Aryldiazoniumsalts Roomtemperature

Fecal microbiota transplantation:whole grain highland barley improves glucose metabolism by changing gut microbiota

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Food Science and Human Wellness 2024年第4期13卷 2014-2024页

作者： Xin ren Fulong Zhang min Zhang Yuan Fang Zenglong Chen Meili Huan Beijing Advanced Innovation Center for Food Nutrition and Human Health Beijing Engineering and Technology Research Center of Food AdditivesNational Grain Industry Highland Barley Deep Processing Technology Innovation CenterBeijing Technology and Business UniversityBeijing 100048China State Key Laboratory of Integrated Management of Pest Insects and Rodents Institute of ZoologyChinese Academy of SciencesBeijing 100101China COFCO Nutrition and Health Research Institute Beijing 102209China

Highland barley(HB)is a high-altitude cereal with rich nutritional components and potential health *** clarify its hypoglycemic effect and mechanism,we investigated the effect of whole grain HB and fecal microbiota transplantation(FMT)on glucose metabolism and gut microbiota in high-fat diet and streptozotocin(HFD/STZ)-induced diabetic *** results showed that HB(40%)significantly decreased fasting blood glucose and the area under the glucose tolerance curve,significantly increased insulin secretion and improved insulin resistance in HFD/STZ-induced diabetic mice(Pleviated after 12 weeks of 40%HB intervention(Ple grain HB ***,the results of further FMT experiments verified that the fecal microbiota after the 40%HB intervention not only significantly increased the relative abundance of Bifidobacterium and Akkermansia but also effectively improved glucose metabolism and alleviated the inflammatory state in HFD/STZ-induced diabetic ***,our study confirmed the bridge role of gut microbiota in improving glucose metabolism of whole grain HB,which could promote the development of precision nutrition.

关键词： Highland barley Diabetes Glucose metabolism Gut microbiota Fecal bacteria transplantation