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Mat.er and Radiat.on at.Ext.emes 2022年第3期7卷 1-9页

作者： t.-t.qin W.Luo H.-Y.Lan W.-M.Wang School of Nuclear Science and t.chnology University of South ChinaHengyang 421001China Beijing Key Laborat.ry of Opt.-elect.onic Funct.onal Mat.rials and Micro-nano Devices and Depart.ent.of Physics Renmin University of ChinaBeijing 100872China

ABSt.ACt.Aneut.onic fusion react.ons such as prot.n-boron fusion could efficient.y produce clean energy wit. quit. low neut.on ***,as a consequence,convent.onal neut.on spect.al met.ods for diagnosing plasma ion t.mperat.re would no longer ***,finding a way t. probe t.e ion t.mperat.re in aneut.onic fusion plasmas is a crucial ***,we present.a met.od t. realize ult.afast.in sit. probing of^(11)B ion t.mperat.re for prot.n-boron fusion by Doppler broadening of t.e nuclear resonance fluorescence(NRF)emission *** NRF emission is excit.d by a collimat.d,int.nseγ-ray beam generat.d from submicromet.r wires irradiat.d by a recent.y available pet.wat.(PW)laser pulse,where t.eγ-ray beam generat.on is calculat.d by t.ree-dimensional part.cle-in-cell *** t.e laser power is higher t.an 1 PW,five NRF signat.res of a^(11)B plasma can be clearly ident.fied wit. high-resolut.onγ-ray det.ct.rs,as shown by our Geant. *** correlat.on bet.een t.e NRF peak widt. and^(11)B ion t.mperat.re is discussed,and it.is found t.at.NRF emission spect.oscopy should be sensit.ve t. 11B ion t.mperat.res t.(i)>2.4 *** probing met.od can also be ext.nded t. ot.er neut.on-free-fusion isot.pes,such as^(6)Li and^(15)N.

关键词： spect.um boron spect.oscopy

Molecular phylogeny and t.xonomy of Phlomoides(Lamiaceae subfamily Lamioideae)in China:Insight. from molecular and morphological dat.

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Plant.Diversit. 2024年第4期46卷 462-475页

作者： Yue Zhao Ya-Ping Chen Bryan t.Drew Fei Zhao Maryam Almasi Orzimat.t.t.rginov Jin-Fei Xiao Abdul G.Karimi Yasaman Salmaki Xiang-qin Yu Chun-Lei Xiang CAS Key Laborat.ry for Plant.Diversit. and Biogeography of East.Asia Kunming Institute of BotanyChinese Academy of SciencesKunming 650201YunnanChina Minist.y of Educat.on Key Laborat.ry of Ecology and Resource Use of t.e Mongolian Plat.au&Inner Mongolia Key Laborat.ry of Grassland Ecology School of Ecology and EnvironmentInner Mongolia UniversityHohhot 010000Inner MongoliaChina Depart.ent.of Biology University of Nebraska at KearneyKearneyNE 68849USA CAS Key Laborat.ry of Mount.in Ecological Rest.rat.on and Bioresource Ut.lizat.on&Ecological Rest.rat.on and Biodiversit. Conservat.on Key Laborat.ry of Sichuan Province Chinese Academy of SciencesChengdu Institute of BiologyChengdu 610042SichuanChina Cent.r of Excellence in Phylogeny of Living Organisms Department of Plant ScienceCollege of ScienceUniversity of TehranP.O.Box 14155-6455TehranIran Inst.t.t. of Bot.ny Academy of Sciences of the Republic of UzbekistanTashkent 100047Uzbekistan Facult. of Biology Department of Botany and Plant PhysiologyNational University of Uzbekistan named after Mirzo UlugbekTashkent 100174Uzbekistan Facult. of Pharmacy Kabul University1006 KabulAfghanistan

Phlomoides,wit. 150-170 species,is t.e second largest.and perhaps most.t.xonomically challenging genus wit.in t.e subfamily Lamioideae(Lamiaceae).Wit. about.60 species,China is one of t.ree major biodiversit. cent.rs of *** some Phlomoides species from China have been included in previous molecular phylogenet.c st.dies,a robust.and broad phylogeny of t.is lineage has yet.t. be ***,given t.e myriad new addit.ons t. t.e genus,t.e exist.ng infrageneric classificat.on needs t. be evaluat.d and ***,we combine molecular and morphological dat. t. invest.gat. relat.onships wit.in Phlomoides,wit. a focus on Chinese *** observed t.at.plast.d DNA sequences can resolve relat.onships wit.in Phlomoides bet.er t.an nuclear ribosomal int.rnal and ext.rnal t.anscribed spacer regions(nrIt. and nrEt.).Molecular phylogenet.c analyses confirm t.e monophyly of Phlomoides,but.most.previously defined infrageneric groups are not.*** addit.on,morphological analysis demonst.at.s t.e significant.t.xonomic value of eight.charact.rs t. t.e *** on our molecular phylogenet.c analyses and morphological dat.,we est.blish a novel sect.on Not.chaet. wit.in Phlomoides,and propose t.ree new combinat.ons as well as t.ree new *** st.dy present. t.e first.molecular phylogenet.c analyses of Phlomoides in which t.xa represent.t.ve of t.e ent.re genus are included,and highlight. t.e phylogenet.c and t.xonomic value of several morphological charact.rs from species of Phlomoides from *** st.dy suggest. t.at.a t.xonomic revision and reclassificat.on for t.e ent.re genus is necessary in t.e fut.re.

关键词： Lamioideae Molecular phylogenet.cs Morphology Phlomideae t.xonomy

Cont.ol of chiral-opt.cal act.vit.es by magnet.c field based on t.e t.ansformat.on of achiral binary cryst.ls int. chiral t.rnary cryst.ls

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Science China Chemist.y 2024年第7期67卷 2300-2305页

作者： Zhiyan Chen Yan Lv Wei qin College of Physics Qingdao UniversityQingdao 266071China School of Physics State Key Laboratory of Crystal MaterialsShandong UniversityJinan 250100China Shandong Linuo Phot.volt.ic Hi-t.ch Co. Ltd.Jinan 250100China

Mult.component.self-assembled chiral syst.ms have at.ract.d great.at.ent.on due t. t.eir promising applicat.on in t.e area of spin-phot.nics and *** t.is work,t.rough int.oducing an achiral t.ird component.int. an achiral binary cryst.l,a chiral organic t.rnary cryst.l is fabricat.d,where bot. pronounced chiral-opt.cal coupling and magnet.c field dependence of chiral-opt.cal act.vit.es are *** t.ansformat.on of achiral st.uct.re int. chiral st.uct.re generat.s a significant.effect.on t.e polarized st.t. of light.and t.e elect.on spin resonance ***,t.e coupling bet.een circularly polarized phot.n and spin is observed in chiral t.rnary cryst.l wit. pronounced chiral orbit.where obvious magnet.c field-t.ansmissivit. loop is ***,t.mperat.re could increase t.e magnit.de of lat.ice paramet.rs t. lead t. a larger helix radius t. increase t.e chiral orbit.***,t.is work indicat.s t.at.t.e furt.er explorat.on of phot.n-chiral orbit.spin int.ract.ons in organic chiral t.rnary cryst.ls is promising.

关键词： organic chiral t.rnary cryst.ls chiral orbit chiral-opt.cal act.vit.es magnet.c field

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On self-affine t.les t.at.are homeomorphic t. a ball

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Science China Mat.emat.cs 2024年第1期67卷 45-76页

作者： Jorg M.t.uswaldner Shu-qin Zhang Mat.emat.cs and St.t.st.cs University of LeobenLeoben 8700Austria School of Mat.emat.cs and St.t.st.cs Zhengzhou UniversityZhengzhou 450001China

Let.M be a 3×3 int.ger mat.ix which is expanding in t.e sense t.at.each of it. eigenvalues is great.r t.an 1 in modulus and let.D?Z^(3)be a digit.set.cont.ining|det.M|*** t.e unique nonempt. compact.set.t.t.M,D)defined by t.e set.equat.on Mt.t.D is called an int.gral self-affine t.le if it. int.rior is *** D is of t.e form D={0,v,...,(|det.M|-1)v},we say t.at.t.has a collinear digit.*** present.paper is devot.d t. t.e t.pology of int.gral self-affine t.les wit. collinear digit.*** part.cular,we prove t.at.a large class of t.ese t.les is homeomorphic t. a closed 3-dimensional ***,we show t.at.in t.is case,t.carries a nat.ral CW complex st.uct.re t.at.is defined in t.rms of t.e int.rsect.ons of t.wit. it. neighbors in t.e lat.ice t.ling{t.z:z∈Z^(3)}induced by *** CW complex st.uct.re is isomorphic t. t.e CW complex defined by t.e t.uncat.d oct.hedron.

关键词： self-afine set. t.les and t.lings low-dimensional t.pology t.uncat.d oct.hedron

Effect.of st.eamlined nose lengt. on aerodynamic performance of high-speed t.ain wit. a speed of 400 km/h

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Journal of Zhejiang Universit.-Science A(Applied Physics & Engineering) 2024年第7期25卷 525-540页

作者： Nianxun LI t.an LI Zhiyuan DAI Deng qin Jiye ZHANG St.t. Key Laborat.ry of Rail t.ansit.Vehicle Syst.m Southwest Jiaotong UniversityChengdu 610031China

t.e st.eamlined nose lengt.(SNL)plays a crucial role in det.rmining t.e aerodynamic performance of high-speed *** appropriat. SNL can not.only effect.vely reduce t.e magnit.de of aerodynamic drag and lift.forces,but.also improve t.e performance of t.e high-speed t.ain in t.nnel passing and crosswind *** t.is st.dy,a numerical simulat.on of t.e aerodynamic performance of high-speed t.ains at.a speed of 400 km/h,wit. varying SNLs,is conduct.d using t.e k-ωshear st.ess t.ansport.SSt.t.rbulence *** different.SNLs include 6.0,7.0,8.0,9.0,9.8,12.0,15.0,and 18.0 *** order t. validat. t.e accuracy of t.e numerical simulat.on,it. result. are compared wit. wind t.nnel t.st.dat. obt.ined from t.e *** simulat.on is carried out.using compressible and incompressible gases t. det.rmine t.e effect.of gas compressibilit. on *** impact.of SNL on t.e aerodynamic performance of t.e t.ains is analyzed in t.rms of aerodynamic forces,velocit.,and pressure *** comparison t. t.e original t.ain,t.e t.ain wit. a 6.0 m SNL experienced a 10.8%increase in overall aerodynamic ***,t.e lift.forces on t.e head and t.il cars increased by 35.7%and 75.5%,*** t.e ot.er hand,t.e t.ain wit. an 18.0 m SNL exhibit.d a 16.5%decrease in aerodynamic ***,t.e lift.forces on t.e head and t.il cars decreased by 21.9%and 49.7%,*** aerodynamic drag force of t.e ent.re t.ain varies linearly wit. t.e SNL,while t.e aerodynamic lift.of t.e t.il car follows a quadrat.c funct.on in relat.on t. t.e SNL.

关键词： St.eamlined nose lengt.(SNL) High-speed t.ain Aerodynamic performance Numerical simulat.on Flow st.uct.res

Rapid Energy Exchange bet.een In Sit. Formed Bromine Vacancies and CO_(2)Molecules Enhances CO_(2)Phot.reduct.on

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Research 2024年第2期2023卷 763-771页

作者： qin Ren Ye He Hong Wang Yanjuan Sun Fan Dong Research Cent.r for Environment.l and Energy Cat.lysis Institute of Fundamental and Frontier SciencesUniversity of Electronic Science and Technology of ChinaChengdu 611731China School of Resources and Environment University of Electronic Science and Technology of ChinaChengdu 611731China

Phot.cat.lyt.c reduct.on of CO_(2)int. fuels provides a prospect.ve t.ct.c for regulat.ng t.e global carbon balance ut.lizing renewable solar ***,CO_(2)molecules are difficult.t. act.vat. and reduce due t. t.e t.ermodynamic st.bilit. and chemical *** t.is work,we develop a novel st.at.gy t. promot. t.e adsorpt.on and act.vat.on of CO_(2)molecules via t.e rapid energy exchange bet.een t.e phot.induced Br vacancies and CO_(2)*** in sit. cont.nuous wave-elect.on paramagnet.c resonance(cw-EPR)and pulsed EPR t.chnologies,we observe t.at.t.e spin-spin relaxat.on t.me(t.(2))of BiOBr is decreased by 198 ns during t.e CO_(2)phot.reduct.on react.on,which is furt.er confirmed by t.e broadened EPR *** result.reveals t.at.t.ere is an energy exchange int.ract.on bet.een in sit. formed Br vacancies and CO_(2)molecules,which promot.s t.e format.on of high-energy CO_(2)molecules t. facilit.t. t.e subsequent.reduct.on *** addit.on,t.eoret.cal calculat.ons indicat. t.at.t.e bended CO_(2)adsorpt.on configurat.on on t.e surface of BiOBr wit. Br vacancies caused t.e decrease of t.e lowest.unoccupied molecular orbit.l of t.e CO_(2)molecule,which makes it.easier for CO_(2)molecules t. acquire elect.ons and get.*** sit. diffuse reflect.nce infrared Fourier t.ansform spect.oscopy furt.er shows t.at.t.e act.vat.d CO_(2)molecules are favorably convert.d t. key int.rmediat.s of COOH*,result.ng in a CO generat.on rat. of 9.1μmol g^(-1)h^(-1)and a select.vit. of 100%.t.is st.dy elucidat.s t.e underlying mechanism of CO_(2)act.vat.on at.act.ve sit.s and deepens t.e underst.nding of CO_(2)phot.reduct.on react.on.

关键词： react.on. adsorpt.on act.vat.on

Clust.r analysis reveals a homogeneous subgroup of PCOS women wit. met.bolic dist.rbance associat.d wit. adverse reproduct.ve out.omes

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Chinese Medical Journal 2024年第5期137卷 604-612页

作者： Hanxiao Chen Rujun Zeng Xun Zeng Lang qin t.e Reproduct.ve Medical Cent.r Department of Obstetrics and GynecologyWest China Second University HospitalSichuan UniversityChengduSichuan 610041China Key Laborat.ry of Birt. Defect. and Relat.d of Women and Children of Minist.y of Educat.on West China Second University HospitalSichuan UniversityChengduSichuan 610041China

Background:Polycyst.c ovarian syndrome(PCOS)is a het.rogeneous and complex reproduct.ve endocrinological disease t.at.could lead t. *** were many at.empt. t. classify PCOS but.it.remains unclear whet.er t.ere is a specific subgroup of PCOS t.at.is associat.d wit. t.e best.or worst.reproduct.ve out.omes of assist.d reproduct.ve t.chniques(ARt..Met.ods:Infert.le PCOS pat.ent. who underwent.t.eir first.cycle of in vit.o fert.lizat.on(IVF)in West.China Second Universit. Hospit.l,Sichuan Universit. from January 2019 t. December 2021 were *** clinical and laborat.ry informat.on of each individual were *** clust.r analysis was *** ovarian st.mulat.on paramet.rs and reproduct.ve out.omes were collect.d and compared bet.een t.e different.clust.rs of ***:Our analysis clust.red women wit. PCOS int."reproduct.ve","met.bolic",and"balanced"clust.rs based on nine *** group was charact.rized by high levels of t.st.st.rone(t.,sex hormone-binding globulin(SHBG),follicular st.mulat.on hormone(FSH),lut.inizing hormone(LH),and ant.-Müllerian hormone(AMH).Met.bolic group was charact.rized by high levels of body mass index(BMI),fast.ng insulin,and fast.ng *** group was charact.rized by low levels of t.e aforement.oned reproduct.ve and met.bolic paramet.rs,except.for *** wit. PCOS pat.ent. in reproduct.ve and balanced clust.rs,t.ose in met.bolic clust.r had lower rat.s of good qualit. day 3 embryo and blast.cyst.***,PCOS pat.ent. in t.e reproduct.ve clust.r had great.r fresh embryo t.ansfer(Et.cancelat.on rat. and clinical pregnancy rat. aft.r fresh Et.t.an met.bolic clust.r(odds rat.o[OR]=3.37,95%confidence int.rval[CI]:1.77-6.44,and OR=6.19,95%CI:1.58-24.24,respect.vely).And compared wit. PCOS of met.bolic clust.r,PCOS of balanced clust.r also had higher chance for fresh Et.cancelat.on(OR=2.83,95%CI:1.26-6.35).Conclusion:Our st.dy suggest.d t.at.PCOS pat.ent. in met

关键词： Polycyst.c ovarian syndrome Assist.d reproduct.ve t.chniques Clust.ring analysis Met.bolic dist.rbance Clinical pregnancy

Numerical St.dy on Reduct.on in Aerodynamic Drag and Noise of High-Speed Pant.graph

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Comput.r Modeling in Engineering & Sciences 2024年第5期139卷 2155-2173页

作者： Deng qin Xing Du t.an Li Jiye Zhang St.t. Key Laborat.ry of Rail t.ansit.Vehicle Syst.m Southwest Jiaotong UniversityChengdu610031China School of Elect.ical Engineering Southwest Jiaotong UniversityChengdu610031China

Reducing t.e aerodynamic drag and noise levels of high-speed pant.graphs is import.nt.for promot.ng environment.lly friendly,energy efficient.and rapid advances in t.ain *** comput.t.onal fluid dynamics t.eory and t.e K-FWH acoust.c equat.on,a numerical simulat.on is conduct.d t. invest.gat. t.e aerodynamic charact.rist.cs of high-speed pant.graphs.A component.opt.mizat.on met.od is proposed as a possible solut.on t. t.e problemof aerodynamic drag and noise in high-speed *** result. of t.e st.dy indicat. t.at.t.e panhead,base and insulat.r are t.e main cont.ibut.rs t. aerodynamic drag and noise in high-speed ***,a gradual opt.mizat.on process is implement.d t. improve t.e most.significant.component. t.at.cause aerodynamic drag and *** opt.mizing t.e cross-sect.onal shape of t.e st.ips and insulat.rs,t.e drag and noise caused by airflow separat.on and vort.x shedding can be *** aerodynamic drag of insulat.r wit. circular cross sect.on and st.ips wit. rect.ngular cross sect.on is t.e *** insulat.rs and opt.mizing t.e chamfer angle and height.of t.e windward surface of t.e st.ips can improve t.e aerodynamic performance of t.e *** addit.on,t.e st.eamlined fairing at.ached t. t.e base can eliminat. t.e complex flow and shield t.e radiat.d *** cont.ast.t. t.e original pant.graph design,t.e improved pant.graph shows a 21.1%reduct.on in aerodynamic drag and a 1.65 dBA reduct.on in aerodynamic noise.

关键词： High-speed pant.graph aerodynamic drag aerodynamic noise reduct.on opt.mizing

Est.mat.on of free core nut.t.on paramet.rs and availabilit. of comput.ng opt.ons

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Geodesy and Geodynamics 2024年第1期15卷 61-74页

作者： Weiwei Yang Xiaoming Cui Jianqiao Xu qingchao Liu Ming qin St.t. Key Laborat.ry of Geodesy and Eart.'s Dynamics Innovation Academy for Precision Measurement Science and TechnologyChinese Academy of SciencesWuhan 430077China Universit. of Chinese Academy of Sciences Beijing 100049China Hubei Luojia Laborat.ry Wuhan 430079China

t.e Eart.’s Free Core Nut.t.on(FCN) causes Eart. t.des and forced nut.t.on wit. frequencies close t. t.e FCN t.at.exhibit.resonance ***-precision superconduct.ng gravimet.r(SG) and very long baseline int.rferomet.y(VLBI) provide good observat.on t.chniques for det.ct.ng t.e FCN ***,some choices in dat. processing and solut.on procedures increase t.e uncert.int. of t.e FCN *** t.is st.dy,we analyzed t.e differences and t.e effect.veness of weight.funct.on and ocean t.de correct.ons in t.e FCN paramet.r det.ct.on using synt.et.c dat.,SG dat. from t.irt.-one st.t.ons,and t.e 10 celest.al pole offset.CPO) *** result. show t.at.significant.discrepancies are caused by different.comput.ng opt.ons for a single SG *** st.cking met.od,which result. in a variat.on of0.24-5 sidereal days(SDs) in t.e FCN period(t. and 10^(3)-10^(4) in t.e qualit. fact.r(Q) due t. t.e select.on of t.e weight.ng funct.on and t.e ocean t.de model(Ot.),can effect.vely suppress t.is *** st.t.st.cal analysis result. of synt.et.c dat. shows t.at.alt.ough different.weight.choices,while adjust.ng t.e proport.on of diurnal t.dal waves involved,do not.significant.y improve t.e accuracy of fit.ed FCN paramet.rs from gravit. *** st.dy evaluat.d a series of Ot.s using t.e loading correct.on *** fit.ing of FCN paramet.rs can be improved by select.ng t.e mean of appropriat. Ot.s based on t.e evaluat.on *** t.e est.mat.on of t.e FCN paramet.rs based on t.e forced nut.t.on,it.was found t.at.t.e weight.funct.on P_(1) is more suit.ble t.an ot.ers,and different.CPO series(aft.r 2009) result.d in a difference of 0.4 SDs in t.e t.and of 103 in t.e *** est.mat.d t.e FCN paramet.rs for SG(t.430.4±1.5 SDs and Q=1.52×10^(4)±2.5×10^(3)) and for VLBI(t.429.8±0.7 SDs,Q=1.88×10^(4)±2.1×10^(3)).

关键词： Free core nut.t.on Superconduct.ng gravimet.r Very long baseline int.rferomet.y Weight.funct.on Ocean t.de model

Evaluat.on of t.e int.acellular lipid-lowering effect.of polyphenols ext.act.from highland barley in HepG2 cells

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Food Science and Human Wellness 2024年第1期13卷 454-461页

作者： Yijun Yao Zhifang Li Bowen qin Xingrong Ju Lifeng Wang College of Food Science and Engineering/Collaborat.ve Innovat.on Cent.e for Modern Grain Circulat.on and Safet. Nanjing University of Finance and EconomicsNanjing 210023China

Act.ve ingredient. from highland barley have received considerable at.ent.on as nat.ral product. for developing t.eat.ent. and diet.ry supplement. against.*** pract.cal applicat.on,t.e research of food combinat.ons is more significant.t.an a specific food *** st.dy invest.gat.d t.e lipid-lowering effect.of highland barley polyphenols via lipase assay in vit.o and HepG2 cells induced by oleic acid(OA).Five indexes,t.iglyceride(t.),t.t.l cholest.rol(t.CHO),low densit. lipoprot.in-cholest.rol(LDL-C),aspart.t. aminot.ansferase(ASt.,and alanine aminot.ansferase(ALt.,were used t. evaluat. t.e lipidlowering effect.of highland barley *** also preliminary st.died t.e lipid-lowering mechanism by Realt.me fluorescent.quant.t.t.ve polymerase chain react.on(q PCR).t.e result. indicat.d t.at.highland barley ext.act.cont.ins many component. wit. lipid-lowering effect.,such as hyperoside and *** vit.o,t.e lipase assay showed an 18.4%lipase inhibit.on rat. when t.e addit.ve cont.nt. of highland barley ext.act.were 100μg/m *** int.acellular lipid-lowering effect.of highland barley ext.act.was examined using 0.25 mmol/L OA-induced HepG2 *** result. showed t.at.int.acellular t.,LDL-C,and t.CHO cont.nt.decreased by 34.4%,51.2%,and 18.4%,*** and ASt.decreased by 51.6%and 20.7%compared wit. t.e unt.eat.d hyperlipidemic HepG2 cells.q PCR result. showed t.at.highland barley polyphenols could up-regulat.on t.e expression of lipid met.bolism-relat.d genes such as PPARγand Fabp4.

关键词： Highland barley Polyphenols ext.act Lipid-lowering effect HepG2 cells