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Extraordinary Ultrahigh-Capacity and Long Cycle Life Lithium-Ion Batteries Enabled by Graphitic Carbon Nitride-perylene Polyimide Composites

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On Types of Isolated KKT Points in Polynomial Optimization

能源与环境材料（英文） 2023年第6期6卷 199-226页

作者： Michael Ruby Raj Jungwon Yun Dong-kyu son Gibaek Lee Advanced Energy Materials Design Lab School of Chemical EngineeringYeungnam University38541Gyeongsan-siKorea William G.Lowrie Chemical and Biomolecular Engineering The Ohio State UniversityColumbus OH 43210USA

Graphitic carbon nitride(g-C3N4)is widely used in organic metal-ion batteries owing to its high porosity,facile synthesis,stability,and high-rate ***,pristine g-C3N4 nanosheets exhibit poor electrical conductivity,irreversible metal-ion storage capacity,and short-term cycling owing to their high concentration of graphitic-N ***,a series of 3,4:9,10-perylenetetracarboxylic diimide-coupled g-C3N4 composite anode materials,CN-PIx(x=0.2,0.5,0.75,and 1),was investigated,which exhibited an unusually high surface nitrogen content(23.19-39.92 at.％)and the highest pyridinic-N,pyrrolic-N,and graphitic-N contents reported to *** CN-PI1 anode delivers an unprecedented and continuously increasing ultrahigh discharging capacity of exceeding 8400 mAh g-1(1.96 mWh cm-2)at 100 mA g-1 with high specific energy density(Esp)of～7700 Wh kg-1 and the volumetric energy density(Ev)of～14956 Wh L-1 and an excellent long-term stability(414 mAh g-1 or 0.579 mWh cm-2 at 1 A g-1).Furthermore,the activation of the CN-PIx electrodes contributes to their superior electrochemical performance,resulting from the fact that the Li+is not only stored in the CN-PIx composites but also CN-PIx activated the Li0 adlayer on the CN-PI1-Cu heterojunction as an SEI layer to avoid the direct contact of Lio phase and the *** CN-PI1 full cell with LiCoO2 as the cathode delivers a discharge capacity of～587 mAh g-1 at a 1 A g-1 after 250 cycles with a Coulombic efficiency nearly 99％.This study provides a strategy to develop N-doped g-C3N4-based anode materials for realizing long-lasting energy storage devices.

关键词： graphitic carbon nitride lithium-ion batteries organic electrode perylene polyimide semiconductor–metal heterojunction

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Journal of Systems Science & Complexity 2023年第5期36卷 2186-2213页

作者： GUO Feng JIAO Liguo KIM Do Sang PHAM Tien-son School of Mathematical Sciences Dalian University of TechnologyDalian 116024China Academy for Advanced Interdisciplinary studies Northeast Normal UniversityChangchun 130024China Department of Applied Mathematics Pukyong National UniversityBusan 48513South Korea Department of Mathematics Dalat UniversityDalat 96300Vietnam.

Let f be a real polynomial function with n variables and S be a basic closed semialgebraic set in R^(n).In this paper,the authors are interested in the problem of identifying the type(local minimizer,maximizer or not extremum point)of a given isolated KKT point x^(*)of f over *** this end,the authors investigate some properties of the tangency variety of f on S at x^(*),by which the authors introduce the definition of faithful radius of f over S at x^(*).Then,the authors show that the type of x^(*)can be determined by the global extrema of f over the intersection of S and the Euclidean ball centered at x^(*)with a faithful ***,the authors propose an algorithm involving algebraic computations to compute a faithful radius of x*and determine its type.

关键词： Faithful radii KKT points polynomial functions tangency varieties types

Bile spillage should be avoided in elective cholecystectomy

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Hepatobiliary Surgery and Nutrition 2019年第6期8卷 640-642页

作者： per Sandstrom Bergthor Bjornsson Department of Surgery University Hospital of LinkopingLinkopingSweden Department of Clinical and Experimental Medicine University Hospital of LinkopingLinkopingSweden

We read with great interest the article entitled"Adverse Outcomes After Bile Spillage in Incidental Gallbladder Cancers:A Population-based study"by Michael *** et al.,which was e-published the 13th of April,2019 in Annals of Surgery(1).This retrospective study was conducted by the University of Calgary and included all cholecystectomies performed from 2001-2015 in the region of Alberta,*** aim of the study was to evaluate if bile spillage during the index operation for presumed benign gallstone disease would affect survival in the group of patients found to have incidental gallbladder cancer.

关键词： Canada Surgery gallbladder

Effects of two different doses of intravitreal bevacizumab on subfoveal choroidal thickness and retinal vessel diameter in branch retinal vein occlusion

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International Journal of Ophthalmology(English edition) 2016年第7期9卷 999-1005页

作者： Jongyeop Park Seungwoo Lee Yengwoo son Department of Ophthalmology Dongguk University Gyeongju Hospital Gyeongju-si Gyeongsangbuk-do 780-350 Korea

AIM： To investigate the effects of two different doses of intravitreal bevacizumab on subfoveal choroidal thickness （SFChT） and retinal vessel diameter in patients with branch retinal vein occlusion. METHODS： An interventional, restrospective study of 41 eyes of 41 patients who had completed 12mo of follow-up, divided into group 1 （1.25 mg of bevacizumab, 21 eyes of 21 patients） and group 2 （2.5 mg of bevacizumab, 20 eyes of 21 patients）. Complete ophthalmic examination, fluorescein angiography, enhanced depth imaging optical coherence tomography and measurement of retinal vessel diameter with IVAN software were performed at baseline and follow-up. RESULTS： The SFChT changed from 279.1 （165-431） μm at baseline to 277.0 （149-413） μm at 12mo in group 1 （P= 0.086）, and from 301.4 （212-483） μm to 300.3 （199-514） μm in group 2 （P=0.076）. The central retinal arteriolar equivalent （CRAE） changed from 128.8 ±11.2 μm at baseline to 134.5±8.4 μm at 12mo in group 1, and from 134.6±9.0 μm to 131.4±12.7 μm in group 2 （P =0.767）. The central retinal venular equivalent （CRVE） changed from 204.1±24.4 μm at baseline to 196.3±28.2 μm at 12mo in group 1, and from 205.8±16.3 μm to 194.8±18.2 μm in group 2 （P=0.019）. The mean central macular thickness （P〈0.05） and average best-corrected visual acuity （BCVA; P〈0.05） improved in both groups CONCLUSION： Changes in the SFChT are not statistically significant and not different according to the doses of bevacizumab. The CRAE did not show significant change, however, the CRVE showed significant decrease regardless of the dose.

关键词： bevacizumab retinal vein occlusion choroids tomography optical coherence intravitreal injections retinal vessels

Minimally invasive surgery in gastric cancer

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World Journal of Gastroenterology 2014年第39期20卷 14132-14141页

作者： Sang-Yong son Hyung-Ho Kim Department of Surgery Seoul National University Bundang Hospital Seongnam 463-707 South Korea

Minimally invasive surgery for gastric cancer has rapidly gained popularity due to the early detection of early gastric cancer. As advances in instruments and the accumulation of laparoscopic experience increase, laparoscopic techniques are being used for less invasive but highly technical procedures. Recent evidence suggests that the short- and long-term outcomes of minimally invasive surgery for early gastric cancer and advanced gastric cancer are comparable to those of conventional open surgery. However, these results should be confirmed by large-scale multicenter prospective randomized controlled clinical trials.

关键词： Gastric cancer Minimally invasive surgery Laparoscopic gastrectomy

Profit loss indicator:a novel maintenance indicator applied for integrated planning

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Advances in Manufacturing 2015年第2期3卷 139-150页

作者： Harald RФdseth Terje Skarlo per SchjФlberg Department of Production and Quality Engineering Norwegian University of Science and Technology Department of Technology SФr-TrФndelag University College

In production environment today, ＂silo think- ing＂ is a challenge where controlling an asset associated with several disciplines and departments can lead to a sub- optimal result. This requires a more integrated approach with an integrated planning （IPL） framework. In this framework novel maintenance key performance indicators （KPIs） are needed. The purpose of this article is to develop the novel maintenance KPI profit loss indicator （PLI）. This indicator is based on measuring both on the ＂hidden fac- tory＂ and waste in production, presenting it as a financial measure. The notion ＂hidden factory＂ is used as a meta- phor for measuring the time losses in industry through the maintenance KPI overall equipment effectiveness （OEE）. This indicator divides the time losses into availability losses, performance losses and quality losses. In addition, a financial measure for waste based on literature from Toyota production system （TPS） and waste treatment and disposal is also included in PLI. Through a case study in the saw mill industry PLI is demonstrated and evaluated. It is expected that this indicator will be demonstrated in several industry branches in the future.

关键词： Integrated planning (IPL) - Maintenanceperformance Key performance indicator (KPI) Hidden factory Waste Asset management

Are ATXN2 variants modifying our understanding about neural pathogenesis,phenotypes,and diagnostic?

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Neural Regeneration Research 2022年第11期17卷 2445-2447页

作者： Jose Miguel Laffita-Mesa Martin Paucar per Svenningsson Department of Clinical Neuroscience(CNS) Karolinska Universitetssjukhuset

ATXN2 one gene with multiple phenotype effects:ATXN2 gene encodes a cytosolic protein(ataxin-2)with pleiotropic functions(see below).This gene contains a number of exonic Cytosine-Adenine-Guanine(CAG)-repeats which encodes a polyglutamine tract(polyQ)in the N-terminal intrinsically disordered region(IDR)of the ***2CAG repeats are interrupted by CAA codons which is relevant only for DNA and RNA but not for protein since CAA also encodes glutamine(Q).

关键词： pathogenesis neural interrupted

Local Energy and Planned Ramping Product Joint Market Based on a Distributed Optimization Method

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CSEE Journal of Power and Energy Systems 2021年第6期7卷 1357-1368页

作者： Zhong Zhang Furong Li Sung-Won Park Sung-Yong son Dalian University of Technology DalianChina Department of Electronic and Electrical Engineering University of BathBathU.K. the University of Bath BathU.K. the Department of Electrical and Electronic Engineering Youngsan UniversitySouth Korea Gachon University SeoulSouth Korea

High penetration of renewable energy generation(REG)in the distribution system increases both the power uncertainty at a given interval and the power variation between two *** markets addressing power uncertainty have been widely ***,there is a lack of market mechanisms regarding the power variation of the load and *** paper thus defines a planned ramping(PR)product to follow the net load variation and extends the local energy market to include the trading of PR *** are economically compensated for their PR *** models of dispatchable generators and flexible load aggregators in the joint market are *** solve the market problem in polynomial time,a distributed market clearing method is developed based on the ADMM *** joint market is tested on a modified IEEE 33-bus *** verifies that introducing the PR market can encourage flexible loads to provide more PR service to accommodate the net load *** such,the ramping cost of dispatchable generators is reduced by 29.09%in the test *** planned energy curtailment from REG is also *** computational efficiency of the proposed distributed clearing method is validated by comparing it with a centralized method.

关键词： Distributed market clearing flexible load aggregator local electricity market planned ramping product renewable energy generation

Impacts of low-intensity prescribed fire on microbial and chemical soil properties in a Quercus frainetto forest

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Journal of Forestry Research 2018年第3期29卷 683-692页

作者： Serdar Akburak Yowhan son Ender Makineci Meric Cakir Faculty of Forestry Soil Science and Ecology DepartmentIstanbul University34473 BahcekoySariyerIstanbulTurkey Division of Environmental Science and Ecological Engineering Korea University145 Anam-roSeongbuk-guSeoul 136-713Korea Faculty of Forestry Soil Science and Ecology DepartmentCankiri Karatekin University18100 CankkiriTurkey

Prescribed fire is a common economical and effective forestry practice, and therefore it is important to understand the effects of fire on soil properties for better soil management. We investigated the impacts of low-intensity prescribed fire on the microbial and chemical properties of the top soil in a Hungarian oak(Quercus frainetto Ten.) forest. The research focused on microbial soil parameters(microbial soil respiration(RSM), soil microbial biomass carbon(Cmic) and metabolic quotient(qCO2) and chemical topsoil properties(soil acidity(pH),electrical conductivity(EC), carbon(C), nitrogen(N), C/N ratio and exchangeable cations). Mean annual comparisons show significant differences in four parameters(C/N ratio,soil pH, Cmic and qCO2) while monthly comparisons do not reveal any significant differences. Soil pH increased slightly in the burned plots and had a significantly positive correlation with exchangeable cations Mg, Ca, Mn and *** mean annual C/N ratio was significantly higher in the burned plots(28.5:1) than in the control plots(27.0:1). The mean annual Cmic(0.6 mg g-1) was significantly lower although qCO2(2.5 lg CO2–C mg Cmic h-1) was significantly higher, likely resulting from the microbial response to fire-induced environmental stress. Low-intensity prescribed fire caused very short-lived changes. The annual mean values of C/N ratio, pH, Cmic and qCO2showed significant differences.

关键词： C/N Exchangeable cations Microbial biomass carbon qCO_2 Soil pH