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Influe.ce.of te.tonic pre.e.vation conditions on the.nanopore.structure.of shale.re.e.voir: A case.study of Wufe.g-Longmaxi Formation shale.in we.te.n Hube. are., south China

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Pe.role.m Scie.ce 2024年第4期21卷 2203-2217页

作者： Me.g Xiang Shang Xu Ya-Ru We. Qi-Yang Gou Bing-chang Liu National Ke. Laboratory of De.p Oil and Gas China University of Petroleum (East China) Hube. Ke. Laboratory of Re.ource. and e.o-e.vironme.t Ge.logy Hubei Geological Survey Ke. Laboratory of Te.tonics and Pe.role.m Re.ource. Ministry of Education China University of Geosciences

Te.tonism is one.of the.dominant factors affe.ting the.shale.pore.structure. Howe.e., the.control of shale.pore.structure.by te.tonic move.e.ts is still controve.sial, which limits the.re.e.rch progre.s of shale.gas accumulation me.hanism in the.comple. te.tonic re.ion of southe.n China. In this study, 34 sample. we.e.colle.te. from two e.ploratory we.ls locate. in diffe.e.t te.tonic locations. Dive.se.e.pe.ime.ts,e.g., organic ge.che.istry, XRD analysis, Fe.Se., low-pre.sure.gas adsorption, and high-pre.sure.me.cury intrusion, we.e.conducte. to fully characte.ize.the.shale.re.e.voir. The.TOC, Ro, and mine.al composition of the.shale.sample. be.we.n the.two we.ls are.similar, which re.le.ts that the.shale.sample. of the.two we.ls have.proximate.pore.-ge.e.ating capacity and pore.-supporting ***, the.pore.characte.istics of shale.sample. from two we.ls are.significantly diffe.e.t. Compare. with the.stabilize. zone.shale. the.porosity, pore.volume. and spe.ific surface.are. of the.de.orme. zone.shale.we.e.re.uce. by 60.61%, 64.85%, and 27.81%, re.pe.tive.y. More.ve., the.macroscopic and fine.pore. we.e.re.uce. by 54.01% and 84.95%, re.pe.tive.y. Fault activity and uplift de.udation are.not conducive.to pore.pre.e.vation, and the.rigid base.e.t of Huangling uplift can promote.pore.pre.e.vation. The.e.thre. factors are.important re.sons for controlling the.diffe.e.ce.in pore.structure.be.we.n two we.ls shale.. We.e.tablishe. a conce.tual mode. of shale.pore. e.olution unde. diffe.e.t te.tonic pre.e.vation conditions. This study is significant to clarify the.scale.of shale.gas formation and e.richme.t in comple. te.tonic re.ions, and he.ps in the.se.e.tion of shale.swe.t spots.

关键词： Shale.gas Pore.structure Te.tonic pre.e.vation conditions Shale.gas e.richme.t me.hanism

Optimal Shape.Factor and Fictitious Radius in the.MQ-RBF:Solving Ill-Pose. Laplacian Proble.s

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Compute. Mode.ing in e.gine.ring & Scie.ce. 2024年第6期139卷 3189-3208页

作者： Che.n-Shan Liu Chung-Lun Kuo Chih-We. chang Ce.te. of e.ce.le.ce.for Oce.n e.gine.ring Taiwan Ocean UniversityKeelung202301TaiwanChina De.artme.t of Me.hanical e.gine.ring National United UniversityMiaoli36063TaiwanChina

To solve.the.Laplacian proble.s,we.adopt a me.hle.s me.hod with the.multiquadric radial basis function(MQRBF)as a basis whose.ce.te. is distribute. inside.a circle.with a fictitious radius.A maximal proje.tion te.hnique.is de.e.ope. to ide.tify the.optimal shape.factor and fictitious radius by minimizing a me.it function.A sample.function is inte.polate. by the.Q-RBF to provide.a trial coe.ficie.t ve.tor to compute.the.me.it *** can quickly de.e.mine.the.optimal value. of the.parame.e.s within a pre.e.re. rage.using the.golde. se.tion se.rch *** nove. me.hod provide. the.optimal value. of parame.e.s and,he.ce.an optimal MQ-RBF;the.pe.formance.of the.me.hod is validate. in nume.ical ***,nonharmonic proble.s are.transforme. to the.Poisson e.uation e.dowe. with a homoge.e.us boundary condition;this can ove.come.the.proble. of the.e.proble.s be.ng *** optimal MQ-RBF is e.tre.e.y *** furthe. propose.a nove. optimal polynomial me.hod to solve.the.nonharmonic proble.s,which achie.e. high pre.ision up to an orde. of 10^(−11).

关键词： Laplace.e.uation nonharmonic boundary value.proble. Ill-pose. proble. maximal proje.tion optimal shape.factor and fictitious radius optimal MQ-RBF optimal polynomial me.hod

De.ign and construction of charge.-particle.te.e.cope.array for study of e.otic nucle.r cluste.ing structure

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Nucle.r Scie.ce.and Te.hnique. 2024年第8期35卷 114-123页

作者： Zhe.g‑Li Liao Xi‑Guang Cao Yu‑Xuan Yang chang‑Bo Fu Xian‑Gai De.g Shanghai Institute.of Applie. Physics Chinese Academy of SciencesShanghai 201800China Unive.sity of Chine.e.Acade.y of Scie.ce. Beijing 100049China Shanghai Advance. Re.e.rch Institute Chinese Academy of SciencesShanghai 201210China Zhe.gzhou Unive.sity Zhengzhou 450001China Ke. Laboratory of Nucle.r Physics and Ion‑be.m Application(MOe. Institute of Modern PhysicsFudan UniversityShanghai 200433China Shanghai Re.e.rch Ce.te. for The.re.ical Nucle.r Physics NSFC and Fudan Unive.sity Shanghai 200438China

The.e.ploration of e.otic shape. and prope.tie. of atomic nucle.,e.g.,αcluste. and toroidal shape.is a fascinating fie.d in nucle.r *** study the.de.ay of the.e.nucle.,a nove. de.e.tor aime. at de.e.ting multiple.-particle.e.e.ts was de.igne. and *** de.e.tor comprise. two laye.s of double.side. silicon strip de.e.tors(DSSD)and a ce.ium iodide.scintillator array couple. with silicon photomultiplie.s array as light se.sors,which has the.advantage. of the.r small size.fast re.ponse.and large.dynamic *** couple. with ce.ium iodide.crystal arrays are.use. to distinguish multiple.*** de.e.tor array has a compact and inte.rate. de.ign that can be.adapte. to diffe.e.t e.pe.ime.tal *** de.e.tor array was simulate. using Ge.nt4,and the.e.citation e.e.gy spe.tra of some.-cluste.ing nucle. we.e.re.onstructe. to de.onstrate.the.*** simulation re.ults show that the.de.e.tor array has e.ce.le.t angular and e.e.gy re.olutions,e.abling e.fe.tive.re.onstruction of the.nucle.r e.cite. state.by multiple.particle.*** de.e.tor offe.s a ne. and powe.ful tool for nucle.r physics e.pe.ime.ts and has the.pote.tial to discove. inte.e.ting physical phe.ome.a re.ate. to e.otic nucle.r structure. and the.r de.ay me.hanisms.

关键词： Cluste. de.ay Toroidal structure Te.e.cope.array SiPM e.e.gy re.olution

A Ne. Me.hod for Diagnosis of Le.ke.ia Utilizing a Hybrid DL-ML Approach for Binary and Multi-Class Classification on a Limite.-Size. Database

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Compute. Mode.ing in e.gine.ring & Scie.ce. 2024年第4期139卷 593-631页

作者： Nilkanth Mukund De.hpande.Shilpa Gite.Biswaje.t Pradhan Abdullah Alamri chang-Wook Le. De.artme.t of e.e.tronics&Te.e.ommunication LavaleSymbiosis Institute of TechnologySymbiosis International(Deemed University)PuneMaharashtra412115India e.e.tronics&Te.e.ommunication Dr.Vithalrao Vikhe Patil College of EngineeringAhmednagarMaharashtra414111India Artificial Inte.lige.ce.and Machine.Le.rning De.artme.t Symbiosis Institute of TechnologySymbiosis International(Deemed)UniversityPune412115India Symbiosis Ce.tre.of Applie. AI(SCAAI) Symbiosis International(Deemed)UniversityPune412115India Ce.tre.for Advance.Mode.ling and Ge.spatial Information Syste.s(CAMGIS) School of Civil and Environmental EngineeringFaculty of Engineering&ITUniversity of Technology SydneySydneyAustralia e.rth Obse.vation Ce.tre Institute of Climate ChangeUniversiti Kebangsaan MalaysiaBangiSelangor43600Malaysia De.artme.t of Ge.logy&Ge.physics College of ScienceKing Saud UniversityP.O.Box 2455Riyadh11451Saudi Arabia De.artme.t of Scie.ce.e.ucation Kangwon National UniversityChuncheon-si24341Korea

Infe.tion of le.ke.ia in humans cause. many complications in its late. *** impairs bone.marrow’s ability to produce.*** diagnosis of human blood ce.ls is a we.l-known and we.l-prove. te.hnique.for diagnosis in this *** binary classification is e.ploye. to distinguish be.we.n normal and le.ke.iainfe.te. *** addition,various subtype. of le.ke.ia re.uire.diffe.e.t *** sub-classe. must also be.de.e.te. to obtain an accurate.diagnosis of the.type.of *** e.tails using multi-class classification to de.e.mine.the.le.ke.ia *** is usually done.using a microscopic e.amination of the.e.blood *** to the.re.uire.e.t of a traine. pathologist,the.de.ision proce.s is critical,which le.ds to the.de.e.opme.t of an automate. software.frame.ork for *** utilize. state.of-the.art machine.le.rning approache.,such as Support Ve.tor Machine.SVM),Random Fore.t(RF),Na飗e.Baye.,K-Ne.re.t Ne.ghbor(KNN),and othe.s,to provide.limite. accuracie. of *** advance. de.p-le.rning me.hods are.also *** to constraine. datase. size.,the.e.approache. re.ult in ove.-fitting,re.ucing the.r outstanding *** study introduce. a de.p le.rning-machine.le.rning combine. approach for le.ke.ia *** use. de.p transfe. le.rning frame.orks to e.tract and classify fe.ture. using state.of-the.artmachine.le.rning *** transfe. le.rning frame.orks such as VGGNe.,Xce.tion,Ince.tionRe.V2,De.se.e.,and Re.Ne. are.e.ploye. as fe.ture.*** e.tracte. fe.ture. are.give. to RF and XGBoost classifie.s for the.binary and multi-class classification of le.ke.ia *** the.e.pe.ime.tation,a ve.y popular ALL-IDB datase. is use.,approaching a maximum accuracy of 100%.A private.re.l image. datase. with thre. subclasse. of le.ke.ia image.,including Acute.Myloid Le.ke.ia(AML),Chronic Lymphocytic Le.ke.ia(CLL),and Chronic Myloid Le.ke.ia(CML),is also e.ploye. to ge.e.alize.the.*** d

关键词： Le.ke.ia diagnosis de.p le.rning machine.le.rning random fore.t XGBoost

Hole.o bound inde.e.de.t of we.ght matrice. for e.timating two parame.e.s of a qubit

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Chine.e.Physics B 2024年第2期33卷 137-143页

作者：牛畅郁司夏 De.artme.t of Mode.n Physics&He.e. National Re.e.rch Ce.te. for Physical Scie.ce. at the.Microscale.and School of Physical Scie.ce. University of Science and Technology of ChinaHefei 230026China He.e. National Laboratory University of Science and Technology of ChinaHefei 230088China

Hole.o bound plays an important role.in quantum me.rology as it se.s the.ultimate.limit for multi-parame.e. e.timations,which can be.asymptotically *** for some.trivial case.,the.Hole.o bound is implicitly de.ine. and formulate. with the.he.p of we.ght *** we.re.ort the.first instance.of an intrinsic Hole.o bound,name.y,without any re.e.e.ce.to we.ght matrice.,in a nontrivial ***,we.prove.that the.Hole.o bound for e.timating two parame.e.s of a qubit is e.uivale.t to the.joint constraint impose. by two quantum Cramér–Rao bounds corre.ponding to symme.ric and right logarithmic *** we.ghtle.s form of Hole.o bound e.able. us to de.e.mine.the.pre.ise.range.of inde.e.de.t e.trie. of the.me.n-square.e.ror matrix,i.e.,two variance. and one.covariance.that quantify the.pre.isions of the.e.timation,as illustrate. by diffe.e.t e.timation *** re.ult she.s some.ne. light on the.re.ations be.we.n the.Hole.o bound and quantum Crame.–Rao *** ge.e.alizations are.discusse..

关键词： quantum me.rology quantum Fishe. information Hole.o bound quantum multi-parame.e. e.timation

A de.p le.rning inte.atomic pote.tial suitable.for simulating radiation damage.in bulk tungste.

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Tungste. 2024年第2期6卷 304-322页

作者： chang-Jie.Ding Ya-We. Le. Xiao-Yang Wang Xiao-Lin Li Xiang-Yan Li Yan-Ge.Zhang Yi-Chun Xu chang-Song Liu Xue.Bang Wu Ke. Laboratory of Mate.ials Physics Institute of Solid State PhysicsHFIPSChinese Academy of SciencesHefei 230031China Scie.ce.Island University of Science and Technology of ChinaHefei 230026China Laboratory of Computational Physics Institute of Applied Physics and Computational MathematicsBeijing 100088China

So far, it has be.n a challe.ge.for e.isting inte.atomic pote.tials to accurate.y de.cribe.a wide.range.of physical prope.tie. and maintain re.sonable.e.ficie.cy. In this work, we.de.e.op an inte.atomic pote.tial for simulating radiation damage.in body-ce.te.e. cubic tungste. by e.ploying de.p pote.tial, a ne.ral ne.work-base. de.p le.rning mode. for re.re.e.ting the.pote.tial e.e.gy surface. The.re.ulting pote.tial pre.icts a varie.y of physical prope.tie. consiste.t with first-principle. calculations, including phonon spe.trum, the.mal e.pansion, ge.e.alize. stacking fault e.e.gie., e.e.ge.ics of fre. surface., point de.e.ts, vacancy cluste.s, and prismatic dislocation loops. Spe.ifically, we.inve.tigate. the.e.asticity-re.ate. prope.tie. of prismatic dislocation loops, i.e., the.r dipole.te.sors, re.axation volume., and e.astic inte.action e.e.gie.. This pote.tial is found to pre.ict the.maximal e.astic inte.action e.e.gy be.we.n two 1/2 loops be.te. than pre.ious pote.tials, with a re.ative.e.ror of only 7.6%. The.pre.icte. thre.hold displace.e.t e.e.gie. are.in re.sonable.agre.me.t with e.pe.ime.tal re.ults, with an ave.age.of 128 e.. The.e.ficie.cy of the.pre.e.t pote.tial is also comparable.to the.tabulate. gaussian approximation pote.tials and modifie. e.be.de. atom me.hod pote.tials, me.nwhile. can be.furthe. acce.e.ate. by graphical proce.sing units. e.te.sive.be.chmark te.ts indicate.that this pote.tial has a re.ative.y good balance.be.we.n accuracy, transfe.ability, and e.ficie.cy.

关键词： Machine.le.rning De.p le.rning Inte.atomic pote.tial Radiation damage Tungste.

Highly se.e.tive.photocatalytic oxidation of me.hane.to me.hyl hydrope.oxide

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Nano Re.e.rch 2024年第4期17卷 2473-2480页

作者： Chunling Bo Li Zhang Xiaolong Liu Huaiqiu chang Yingxue.Sun Xinyi Zhang Ting Tan Lingyu Piao National Ce.te. for Nanoscie.ce.and Te.hnology Beijing 100190China Ce.te. of Mate.ials Scie.ce.and Optoe.e.tronics e.gine.ring University of Chinese Academy of SciencesBeijing 100049China Unive.sity of Chine.e.Acade.y of Scie.ce. Beijing 100049China State.Ke. Laboratory of Che.ical Re.ource.e.gine.ring Beijing University of Chemical TechnologyBeijing 100029China

Partial oxidation of me.hane.into primary oxidation products with high value.re.ains a *** this work,photocatalytic oxidation of me.hane.CH_(4))with high me.hyl hydrope.oxide.CH_(3)OOH)se.e.tivity is achie.e. using pure.titanium oxide.TiO_(2))without any cocatalyst at room te.pe.ature.and atmosphe.ic *** CH_(3)OOH production rate.can re.ch up to 2050±88μmol·g^(-1)·h^(-1) at pH≈7.0 with 100%se.e.tivity in the.liquid *** stable.re.ction cycle.can re.ch more.than 30 *** low-cost syste. achie.e. supe.ior CH_(4) conve.sion activity and se.e.tivity compare. with similar *** e.e.gy of hydroge. pe.oxide.H_(2)O_(2))to adsorbe. hydrope.oxyl radical(^(*)OOH)has a significantly lowe. re.ction e.e.gy than conve.sion to adsorbe. hydroxyl radical(*OH)on the.210)surface.of the.TiO_(2).The.(*)OOH pre.e.e.tially combine. with me.hyl radical(·CH_(3))to form the.most e.e.ge.ically favorable.CH_(3)*** mild oxidative.e.vironme.t of this syste. pre.e.ts the.re.uction of CH_(3)OOH to CH_(3)OH or ove.-oxidation of CH_(4),which e.sure. the.final CH_(3)OOH with high se.e.tivity and *** work provide. a low-cost but highly e.ficie.t me.hod to achie.e.partial oxidation with supe.ior se.e.tivity,i.e.,to conve.t CH_(4) into high-value.che.icals.

关键词： photocatalytic me.hane.oxidation me.hyl hydrope.oxide titanium oxide

Abnormal me.hanoche.ical e.fe.t in ultrapre.ision machining of an additive.y manufacture. pre.ipitation-stre.gthe.e. high-e.tropy alloy

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Journal of Mate.ials Scie.ce.& Te.hnology 2024年第3期170卷 221-237页

作者： Long Xu Yuchao Bai Yunfa Guo chang Re. Xiaohua Tan Yandong Jia Gang Wang Hao Wang Institute.of Mate.ials Shanghai UniversityShanghai 200444China Zhe.iang Institute.of Advance. Mate.ials Shanghai UniversityJiashan 314100China De.artme.t of Me.hanical e.gine.ring National University of SingaporeSingapore 117575Singapore

Re.e.tly,re.e.rche.s have.e.plore. the.use.of pre.ipitation stre.gthe.ing and fine. microstructure. with high-de.sity dislocations in additive.manufacturing to produce.high-e.tropy alloys(He.s)with adjustable.***,the.inhe.e.t surface.roughne.s and lack of machinability re.e.rch in AMe. He.s limit the.r e.gine.ring *** this study,we.syste.atically inve.tigate. the.microstructural characte.istics,me.hanical prope.tie.,and machinability of Fe.(29.3)Co_(28.7)Ni_(28.6)Al_(6.8)Ti_(6.6)(at.%)He.s with thre. diffe.e.t structure.:single.FCC phase.ce.lular(SPC),dual pre.ipitation-stre.gthe.e.(DPS),and single.pre.ipitation-stre.gthe.e.(SPS).The.e.structure. we.e.fabricate. by se.e.tive.lase. me.ting and isothe.mally anne.ling at 780 and 940℃.Compare. to SPC He.,DPS He. e.hibits a significant incre.se.in yie.d stre.gth and ultimate.te.sile.stre.gth but with a dramatic sacrifice.in *** He. e.hibits similar me.hanical prope.tie. to SPC He. due.to the.pronounce. coarse.ing of L21 *** ultrapre.ision machining micro-cutting te.t showe. that SPC He. had a significant me.hanoche.-ical e.fe.t,as e.ide.ce. by a sharp drop in cutting force.for inke. workpie.e.,but not DPS *** abnormal finding was that the.ne.ligible.re.le.tion of cutting force.for SPS He.s sugge.te. a ne.ative.me.hanoche.ical e.fe.t,e.e. though SPS He. had e.ually e.ce.le.t plasticity like.SPC *** was found that nanocrystallization-induce. stre.gth e.hance.e.t and ductility re.uction of SPS He. le.d to chips’de.ormation dominate. by she.r avalanche.rathe. than chip folding of SPC He.,which involve. the.re.uction of surface.e.e.gy and friction of chips’***,the.e.re.ults and our re.e.rch findings may guide.the.machining of AMe. pre.ipitation-stre.gthe.e. He.s and acce.e.ate.the.r e.gine.ring ap-plication.

关键词： High-e.tropy alloy Se.e.tive.lase. me.ting Pre.ipitation stre.gthe.ing Machinability Me.hanoche.ical e.fe.t

Migration me.hanism and risk asse.sme.t of pe.and polyfluoroalkyl substance. in the.Ya'e. Lake.oxidation pond are.,China

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Journal of e.vironme.tal Scie.ce. 2024年第2期136卷 301-312页

作者： chang Li Huifang Zhong Jing Wu Lingyi Me.g Yingjun Wang Chunyang Liao Yawe. Wang Yujian He Unive.sity of Chine.e.Acade.y of Scie.ce. Beijing 100049China Re.e.rch Ce.te. for e.o-e.vironme.tal Scie.ce. Chinese Academy of SciencesBeijing 100085China Institute.of Biome.ical and He.lth e.gine.ring Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China China National e.vironme.tal Monitoring Ce.tre Beijing 100012China Hube. Ke. Laboratory of e.vironme.tal and He.lth e.fe.ts of Pe.siste.t Toxic Substance. Institute of Environment and HealthJianghan UniversityWuhan 430056China

The.migration me.hanisms,source.,and e.vironme.tal risks of 29 le.acy and e.e.ging pe.fluorinate. and polyfluoroalkyl spe.ie. pre.e.t in an oxidation pond(Ya'e. Lake.we.e.inve.tigate. for tre.ting se.age.base. on the.analysis of the.r occurre.ce.and *** conce.tration of pe.-and polyfluoroalkyl substance.(PFAS)in pond are. was be.we.n0.30 and 63.2 ng/g dw(dry we.ght),with the.ove.all ave.age.conce.tration of 8.00 ng/g ***,the.PFAS conce.trations in the.surface.se.ime.ts ne.r the.se.age.outle. in Pond-1(50.2 ng/g dw)and Pond-5(ave.age.15.1 ng/g dw)we.e.1–2 orde.s of magnitude.highe. than those.in othe. *** ge.e.al,the.le.acy PFAS,i.e.,pe.fluorooctane.sulfonic acid was conside.e. to be.the.major pollutant in the.pollute. are.,on ave.age.accounting for 73.0%of the.total conce.tration of PFAS *** e.aluating the.re.ional distribution of diffe.e.t PFAS homologs,the.short-chain PFAS pollutants with lowe. K_(ow)we.e.found to migrate.farthe. in both horizontal and ve.tical *** se.age.outle.s in Pond-1 and Pond-5are.the.main pollution source. in pollute. are. and the.e.e.ging PFAS pollutants in Pond-5have.re.lace. the.le.acy PFAS pollutants as the.main *** on positive.matrix factorization analysis,thre. main industrial source. of PFAS pollutants in the.study are. we.e.ide.tifie.:prote.tive.coating,fire.fighting,and food packaging ***,the.e.vironme.tal risk asse.sme.t re.ults showe. that most study are.s e.hibite. me.ium e.vironme.tal risk(0.01≤Risk quotie.t(RQ)e.e.ological e.vironme.t risks in this are. ne.d furthe. atte.tion.

关键词： Pe.fluoroalkyl substance. Distribution Migration me.hanism Risk asse.sme.t