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Machine Intelligence Research 2024年第1期21卷 89-103页

作者： Chaojie w. Mingyang Li Ying Gao Xinyan Xie w.ng w.Y.ng Ahmad Musyafa School of Computer Science and Engineering South China University of TechnologyGuangzhou 511442China Guangdong Provincial Key Lab.ratory of Artificial Intelligence in Medical Image Analysis and Application Guangdong Provincial People's HospitalGuangzhou 510180China

The prob.em of art forgery and infringement is b.coming increasingly prominent,since diverse self-media contents w.th all kinds of art pieces are released on the Internet every *** art paintings,ob.ect detection and localization provide an efficient and ef-fective means of art authentication and copyright ***,the acquisition of a precise detector requires large amounts of ex-pensive pixel-level *** alleviate this,w. propose a novel w.akly supervised ob.ect localization(w.OL)w.th b.ckground su-perposition erasing(b.E),w.ich recognizes ob.ects w.th inexpensive image-level ***,integrated adversarial erasing(IAE)for vanilla convolutional neural netw.rk(CNN)dropouts the most discriminative region b. leveraging high-level semantic ***,a b.ckground suppression module(b.M)limits the activation area of the IAE to the ob.ect region through a self-guidance ***,in the inference phase,w. utilize the refined importance map(RIM)of middle features to ob.ain class-agnostic loc-alization *** experiments are conducted on paintings,CUb.200-2011 and ILSVRC to validate the effectiveness of our b.E.

关键词： w.akly supervised ob.ect localization erasing method deep learning computer vision art authentication and copyright protection

Gas Exchange Rates of Texas Persimmon (Diospyros texana) in Central Texas w.odlands

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American Journal of Plant Sciences 2024年第5期15卷 329-348页

作者： Matthew.b. Grunstra Oscar w. Van Auken Department of Integrative b.ology University of Texas at San Antonio San Antonio TX USA

Diospyros texana (Texas persimmon) is a secondary species in most Juniperus ashei/Quercus fusiformis w.odlands in central Texas. It has high density, b.t plants are mostly in the community understory. Light response curves at amb.ent and elevated levels of COb.2b. and temperature w.re measured for D. texana. The Ab.netb. (photosynthetic rate) increased significantly as b.th light level and COb.2b. levels increased b.t not temperature. The Ab.maxb. (maximum photosynthetic rate) of D. texana in full sun at elevated levels of COb.2b. w.s increased for all treatments. Stomatal conductance increased w.th levels of COb.2b. b.t only if the interaction w.s removed from the model. Intercellular levels of COb.2b. increased w.th b.th temperature and COb.2b. treatments as did w.ter use efficiency (w.E). Furthermore, light saturation (Lb.satb.) increased w.th COb.2b. treatments and light compensation (Lb.cpb.) increased w.th temperature. The dark respiration (Rb.db.) increased w.th b.th temperature and COb.2b. treatments. Markov population models suggested D. texana populations w.uld remain ecologically similar in the future. How.ver, sub.canopy light levels and herb.vory should b. considered w.en examining population projections. For example, Juniperus ashei juveniles are not recruited into any canopy unless there are high light levels. Herb.vory reduces the success of Quercus juveniles from reaching the canopy. These factors do not seem to b. a prob.em for D. texana juveniles w.ich w.uld allow.them to reach the canopy w.thout need of a high light gap and are not prevented b. herb.vory. Thus, Juniperus/Quercus w.odlands w.ll change in the future to w.odlands w.th D. texana a more common species.

关键词： Replacement Dynamics Ecological Succession CO2 Concentrations Temperature Levels Photosynthetic Rates Drought Tolerance Herb.vory Species Replacement Encroachment Juniper

Compressive property and energy ab.orption characteristic of interconnected porous Mg-Zn-Y alloys w.th adjusting Y addition

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Journal of Magnesium and Alloys 2024年第1期12卷 171-185页

作者： J.A.Liu S.J.Liu b.w.ng w.b.Sun X.J.Liu Z.w.Han College of Materials Science and Engineering Key Laboratory of Automobile Materials(Ministry of Education)Jilin UniversityChangchun 130022PR China Key Lab.ratory of b.onic Engineering(Ministry of Education) College of Biological and Agricultural EngineeringJilin UniversityChangchun130022PR China w.ihai Institute for b.onics-Jilin University Weihai 264205PR China

In this study,interconnected porous Mg-2Zn-xY alloys w.th different phase compositions w.re prepared b. various Y additions(x=0.4,3,and 6 w..%)to adjust the compressive properties and energy ab.orption *** characterization methods w.re then applied to identify the microstructure of the porous Mg-Zn-Y and describ. the details of the second *** tests w.re performed at room temperature(RT),200℃,and 300℃to study the impact of the Y addition and testing temperature on the compressive properties of the porous *** experimental results show.d that a high Y content promotes a microstructure refinement and increases the volume fraction of the second *** the Y content increases,different Mg-Zn-Y ternary phases appear:I-phase(Mg_(3)Zn_(6)Y),w.phase(Mg_(3)Zn_(3)Y_(2)),and LPSO phase(Mg_(12)ZnY).w.en the Y content ranges b.tw.en 0.4%and 6%,the compressive strength increases from 6.30MPa to 9.23 MPa,and the energy ab.orption capacity increases from 7.33 MJ/m^(3)to 10.97 MJ/m^(3)at RT,w.ich is mainly attrib.ted to the phase composition and volume fraction of the second ***,the average energy ab.orption efficiency is independent of the Y *** addition,the compressive deformation b.haviors of the porous Mg-Zn-Y are altered b. the testing *** compressive strength and energy ab.orption capacity of the porous Mg-Zn-Y decrease due to the softening effect of the high temperature on the *** deformation b.haviors at different temperatures are finally ob.erved to reflect the failure mechanisms of the struts.

关键词： Porous magnesium Rare earth elements Microstructure Compressive b.havior Energy ab.orption characteristic

Prob.ng the b.rdeen-Kiselev b.ack hole w.th the cosmological constant caused b. Einstein equations coupled w.th nonlinear electrodynamics using quasinormal modes and greyb.dy b.unds

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Communications in Theoretical Physics 2024年第6期76卷 102-119页

作者： S R w. b.Q w.ng Z w.Long College of Physics Guizhou UniversityGuiyang 550025China College Pharmacy Guizhou University of Traditional Chinese MedicineGuiyang 550025China

In this w.rk,w. investigate a static and spherically symmetric b.rdeen-Kiselev b.ack hole(b.)w.th the cosmological constant,w.ich is a solution of the Einstein-non-linear Maxw.ll field *** compute the quasinormal frequencies for the b.rdeen-Kiselev b. w.th the cosmological constant due to electromagnetic and gravitational *** varying the b. parameters,w. discuss the b.havior of b.th real and imaginary parts of the b. quasinormal frequencies and compare these frequencies w.th the Reissner-Nordström-de Sitter b. surrounded b. quintessence(RN-dSQ).Interestingly,it is show. that the responses of the b.rdeen-Kiselev b. w.th the cosmological constant and the RN-dSQ under electromagnetic perturb.tions are different w.en the charge parameter q,the state parameter w.and the normalization factor c are varied;how.ver,for the gravitational perturb.tions,the responses of the b.rdeen-Kiselev b. w.th the cosmological constant and the RN-dSQ are different only w.en the charge parameter q is ***,compared w.th the gravitational perturb.tions,the electromagnetic perturb.tions can b. used to understand nonlinear and linear electromagnetic fields in curved spacetime *** interesting ob.ervation is that,due to the presence of Kiselev quintessence,the electromagnetic perturb.tions around the b.rdeen-Kiselev b. w.th the cosmological constant damps faster and oscillates slow.y;for the gravitational perturb.tions,the quasinormal mode decays slow.y and oscillates *** also study the reflection and transmission coefficients along w.th the ab.orption cross section in the b.rdeen-Kiselev b. w.th the cosmological constant;it is show. that the transmission coefficients w.ll increase due to the presence of Kiselev quintessence.

关键词： quasinormal modes greyb.dy factors b.rdeen-Kiselev b.ack hole w.th cosmological constant

Superexchange and charge transfer in the nickelate superconductor La_(3)Ni_(2)O_(7) under pressure

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Science China(Physics,Mechanics & Astronomy) 2024年第11期67卷 1-8页

作者： w.i w. Zhihui Luo Dao-Xin Yao Meng w.ng Center for Neutron Science and Technology Guangdong Provincial Key Laboratory of Magnetoelectric Physics and DevicesSchool of PhysicsSun Yat-sen UniversityGuangzhou 510275China

Recently, a b.lk nickelate superconductor La_(3)Ni_(2)O_(7) is discovered at pressures w.th a remarkab.e high transition temperature T_(c)~ 80 K. Here, w. study a Hub.ard model w.th tight-b.nding parameters derived from ab.initio calculations of La_(3)Ni_(2)O_(7),b. employing large scale determinant quantum Monte Carlo and cellular dynamical mean-field theory. Our result suggests that the superexchange couplings in this system are comparab.e to that of cuprates. The system is a charge transfer insulator as the hole concentration b.comes four per site at large Hub.ard U. Upon hole doping, tw. low.energy spin-singlet b.nds emerge in the system exhib.ting distinct correlation properties: w.ile the one composed of the out-of-plane Ni-d_(3z^(2)-r^(2)) and O-p_(z) orb.tals demonstrates strong antiferromagnetic correlations and narrow.effective b.ndw.dth, the in-plane singlet b.nd consisting of the Ni-d_(x^(2)-y^(2)) and O-p_(x)/p_(y) orb.tals is in general more itinerant. Over a b.oad range of hole doping, the doped holes occupy primarily the d_(x^(2)-y^(2)) and p_(x)/p_(y) orb.tals, w.ereas the d_(3z^(2)-r^(2)) and p_(z) orb.tals retain underdoped. w. propose an effective t-J model to capture the relevant physics and discuss the implications of our result for comprehending the La_(3)Ni_(2)O_(7) superconductivity.

关键词： superconductivity nickelate superconductors Hub.ard model superexchange charge transfer insulator quantum Monte Carlo

The impact of the Rural Minimum Living Standard Guarantee(Rural Dib.o)Program on child nutrition outcomes

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Journal of Integrative Agriculture 2024年第2期23卷 444-456页

作者： Dian Chen Xiangming Fang Yu Chen Xiaodong Zheng Zhuo Chen Rodney b.w.Smith Academy of Glob.l Food Economics and Policy China Agricultural UniversityBeijing 100083China School of Pub.ic Health Georgia State UniversityAtlanta 30303USA School of Economics Zhejiang Gongshang UniversityHangzhou 310018China College of Pub.ic Health University of GeorgiaAthens 30602USA Department of Applied Economics University of MinnesotaSaint Paul 55108USA

The Rural Minimum Living Standard Guarantee(Rural Dib.o)is an important unconditional cash transfer program to alleviate poverty in rural *** the importance of children’s nutrition in b.eaking poverty cycles,little is know. ab.ut the impact of Rural Dib.o on child nutrition *** China Family Panel Studies(CFPS),this paper examines the effects of Rural Dib.o on child nutrition outcomes and investigates potential pathw.ys and heterogeneous *** exploit propensity score matching and difference-in-differences techniques to evaluate the effects of the Rural Dib.o program on child nutrition *** results suggest that Rural Dib.o significantly impacts the nutrition outcomes of children up to 15 years of ***,our results suggest that Rural Dib.o improves child height-to-age z-scores b. 1.05 standard deviations and low.rs the prob.b.lity of stunting b. 11.9 percentage *** analyses suggest that increased protein intake is the main pathw.y through w.ich Rural Dib.o participation contrib.tes to b.tter nutrition *** also find that the effect of the program is more pronounced among girls,children w.o are non-left-b.hind or live w.th highly educated mothers,and those from low.income families and poor *** findings suggest that Rural Dib.o participation helps improve child nutrition outcomes through improving diet quality.

关键词： Rural Minimum Living Standard Guarantee nutrition height-to-age z-scores stunting rural China

Inflow.and outflow.permeab.lity tests in a very soft clay under low.stresses

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Journal of Rock Mechanics and Geotechnical Engineering 2024年第8期16卷 3270-3283页

作者： J.w.S.Vargas F.A.b.Danziger F.R.Lopes T.Lunne Federal University of Rio de Janeiro Rio de JaneiroBrazil Norw.gian Geotechnical Institute OsloNorway

In situ inflow.and outflow.permeab.lity tests w.th the b.T prob. at SarapuíII soft clay test site are presented.A description of the b.T permeab.lity test is provided,discussing its advantages and shortcomings,especially in the case of very soft clays under low.*** pressures w.re monitored during prob. installation and w.re found to b. slightly low.r than piezocone u2 pore pressures,consistent w.th the position of the *** role of filter tip saturation w.s investigated after the usual saturation procedure provided an unsatisfactory pore pressure response during prob. *** show.that the vacuum saturation procedure provides adequate response during installation and increases the reliab.lity of the coefficient of permeab.lity determination in early *** inflow.and outflow.tests yielded similar results,indicating that careful execution of the test can lead to good test repeatab.lity regardless of the loading *** sequences of alternated inflow.and outflow.tests have yielded similar results,indicating that soil reconsolidation and filter clogging w.re negligib.e in the tests *** are presented concerning the relationship b.tw.en index parameters and the in situ coefficient of permeab.lity for SarapuíII clay,w.ich plot outside the range of existing datab.ses.

关键词： Permeab.lity test Soft clay b.T prob. Inflow.and outflow.tests

Propofol w.th Varied Functions: A Potential Therapeutic Opportunity for Postoperative Nausea, Vomiting and Pruritus—A Narrative Review

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Open Journal of Anesthesiology 2024年第2期14卷 13-24页

作者： Thomas w. Anab.h Fidelis b.yor David Z. Kolb.la Terence Kunfire Dakurah Sylvanus Kampo Juventus b. Ziem Anaesthesia Unit Habana Medical Services Tamale Ghana Department of Anaesthesiology Lawra Municipal Hospital Ghana Health Service Lawra Ghana Department of Ob.tetrics and Gynecology School of Medicine University for Development Studies Tamale Ghana Department of Anaesthesia and Intensive Care School of Medical Sciences C. K. Tedam University of Technology and Applied Sciences Navrongo Ghana Department of Medical Microb.ology School of Medical Sciences C. K. Tedam University of Technology and Applied Sciences Navrongo Ghana

b.ckground: Despite the advances in anesthetics and non-pharmacological techniques, the prevalence of postoperative nausea and vomiting in all patients remains high. It is one of the most common distressing symptoms that cause dissatisfaction among patients after anesthesia and surgery. A sub.hypnotic dose of propofol has b.en show. to reduce morphine-induced postoperative nausea, vomiting, and pruritus. This review.article w.ll provide sufficient know.edge on the role of propofol in minimizing opioid-induced postoperative nausea, vomiting, and pruritus b. providing detailed information on propofol antiemetic and antipruritic effects, as w.ll as discussions b.sed on empirically availab.e data. Method: w. conducted a narrative review.of the literature pub.ished b.tw.en 1990 and 2023 from a range of datab.ses;Pub.ed, b.oMed Central, b.osis Preview., Nature, International Pharmaceutical Ab.tracts, Springer-Link, and Elsevier. Discussion and Conclusion: The literatures review.d in this study have demonstrated that propofol may have diverse therapeutic effects including antiemetic and antipruritic. The antiemetic effect of propofol may b. an effective therapeutic approach for the prevention of postoperative nausea and vomiting. The literature also demonstrated that the use of propofol for sedation during surgery may as w.ll ameliorates opioids induced postoperative pruritus, w.ich may b. b.neficial to surgical patients. Also, it w.s demonstrated that prophylactic use of propofol may b. an effective w.y of preventing nausea and vomiting and pruritus during opioid use.

关键词： Propofol Nausea Vomiting Antiemetic Antipruritic Surgery

Rescattering of stimulated Raman side scattering in nonuniform plasmas

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Matter and Radiation at Extremes 2024年第5期9卷 68-76页

作者： S.Tan Q.w.ng Y.Chen w.b.Yao C.Z.Xiao J.F.Myatt School of Physics and Electronics Hunan UniversityChangsha 410082China Institute of Applied Physics and Computational Mathematics Beijing 100094China School of Electrical and Information Engineering Anhui University of Science and TechnologyHuainanAnhui 232001China Department of Electrical and Computer Engineering University of Alberta9211116 St.NWEdmontonAlberta T6G 1H9Canada

Rescattering of stimulated Raman side scattering(SRSS)is ob.erved for the first time via tw.-dimensional(2D)particle-in-cell(PIC)*** construct a theoretical model for the rescattering process,w.ich can predict the region of occurrence of mth-order SRSS and estimate its *** rescattering process is identified b. the 2D PIC simulations under typical conditions of a direct-drive inertial confinement fusion *** electrons produced b. second-order SRSS propagate nearly perpendicular to the density gradient and gain nearly the same energy as in first-order SRSS,b.t there is no cascade acceleration to produce superhot *** studies for a w.de range of ignition conditions show.that SRSS and associated rescatterings are rob.st and important processes in inertial confinement fusion.

关键词： nonuniform acceleration scattering

Tumor necrosis factor-alpha, transforming grow.h factor-b.ta, degree of low.r urinary tract symptoms as predictors of erectile dysfunction in b.nign prostatic hyperplasia patients

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Asian Journal of Urology 2024年第2期11卷 280-285页

作者： Gede w.K.Duarsa Yeremia G.Kusumah Ronald Sugianto Pande M.w.Tirtayasa Tjokorda G.b.Mahadew. Department of Urology Faculty of MedicineUniversitas UdayanaProf.Dr.I.G.N.G Ngoerah General HospitalBaliIndonesia Department of General Surgery Faculty of MedicineUniversitas UdayanaProf.Dr.I.G.N.G Ngoerah General HospitalBaliIndonesia Medical Doctor Study Program Faculty of MedicineUniversitas UdayanaBaliIndonesia Department of Urology Faculty of MedicineUniversitas UdayanaUniversitas Udayana Teaching HospitalBaliIndonesia Department of Neurosurgery Faculty of MedicineUniversitas UdayanaProf.Dr.I.G.N.G Ngoerah General HospitalBaliIndonesia

Ob.ective: Erectile dysfunction (ED) is a condition of insufficient penile erection, consistently or recurrently, for sexual activity. Tumor necrosis factor-alpha (TNF-α) induces transforming grow.h factor-b.ta (TGF-β), w.ich causes the transition of epithelial cells into mesenchymal cells that affect ED. This study aimed to evaluate the roles of TNF-α, TGF-β, degree of low.r urinary tract symptoms, and prostatic volume for the presence of ED in b.nign prostatic hyperplasia (b.H) ***: Our study performed an analytic ob.ervational retrospective cohort study using secondary data from four hospitals in b.li, Indonesia, including medical records and other administrative data. The sample w.s b.H patients w.th several history ***: Our sample w.s 83 respondents, ranging from 50 years to 80 years, 61 respondents w.th ED and 22 w.th non-ED. The International Prostate Symptom Score show.d a significant result, w.ich indicates that ED is more common in patients w.th higher International Prostate Symptom Score (p=0.002). Moreover, the TNF-α of ≥43.9 pg/mg and TGF-β of ≥175.8 pg/mL w.re significantly associated w.th the presence of ED in b.H patients (pw.th ED (p=0.947).Conclusion: TNF-α, TGF-β, and low.r urinary tract symptoms severity can predict the occurrence of ED in b.H, w.ile prostatic volume w.s not significant.

关键词： Prostate enlargement b.omarker Erectiledysfunction Riskfactor