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Cushioning Pe.formance.of a Nove. Polyure.hane.Foam Mate.ial Applie. in Fragile.Packaging

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Acta Me.hanica Solida Sinica 2024年第3期37卷 487-497页

作者： Huife.g Xi Chunqiu Guo Jinbiao yang Xiaogang wang Bowe. wang Shiqing Huang Zhiwe. wang School of Me.hanics and Construction e.gine.ring Jinan UniversityGuangzhou510632China Colle.e.of Packing e.gine.ring Jinan UniversityZhuhai519070China MOe.Ke. Lab of Disaste. Fore.ast and Control in e.gine.ring Jinan UniversityGuangzhou510632China Foshan Soft Valle. Te.hnology Co. Ltd.Foshan528000China

For fragile.products,packaging re.uire. cushioning prote.tion to pre.e.t irre.e.sible.damage.from accide.tal falls,transportation impacts,and othe. *** ne. polyure.hane.foam(PUF)mate.ial de.onstrate. supe.ior cushioning and vibration isolation pe.formance.in practical applications,e.fe.tive.y minimizing damage.from *** and vibration e.pe.ime.ts we.e.conducte. on package. comprising nove. PUF,e.pandable.polye.hyle.e.e.hyle.e.vinyl ace.ate.copolyme. foam,and *** ve.ify that the.ne. PUF mate.ial outpe.forms in cushioning and vibration isolation,as obse.ve. from the.acce.e.ation ***,a random vibration analysis of a packaging unit involving diffe.e.t thickne.se. of PUF mate.ials and brace.e.s re.e.ls the.e.hance. vibration isolation e.fe.t within a spe.ific thickne.s *** vibration re.ults of the.brace.e.’s oute. packaging align close.y with finite.e.e.e.t simulation re.ults,validating the.e.fe.tive.e.s of de.igning and optimizing the.oute. *** finite.e.e.e.t simulation,de.pe. unde.standing and pre.iction of the.brace.e.’s vibration re.ponse.unde. various conditions is achie.e.,facilitating optimize. packaging de.ign for be.te. prote.tion and vibration damping.

关键词： Fle.ible.polyure.hane.foam Packaging of fragile.goods Nonline.r dynamics Vibration fre.ue.cy Finite.e.e.e.t simulation

Diffe.e.ce. and similaritie. in radial growth of Be.ula spe.ie. to climate.change

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Journal of Fore.try Re.e.rch 2024年第2期35卷 176-187页

作者： Di Liu yang An Zhao Li Zhihui wang Yinghui Zhao Xiaochun wang Ce.te. for e.ological Re.e.rch Key Laboratory of Sustainable Forest Ecosystem ManagementMinistry of EducationCollege of ForestryNortheast Forestry UniversityHarbin 150040People’s Republic of China Changan Park in Shijiazhuang Shijiazhuang 050000People’s Republic of China Shijiazhuang Landscape.Gre.ning e.gine.ring Proje.t Construction Ce.te. Shijiazhuang 050000People’s Republic of China He.longjiang Institute.of Me.e.rological Scie.ce Harbin 150030People’s Republic of China School of Life Qufu Normal UniversityQufu 273100People’s Republic of China

Be.ula platyphylla and Be.ula costata are.important spe.ie. in mixe. broadle.ve.-Kore.n pine.Pinus koraie.sis)***,the.spe.ific ways in which the.r growth is affe.te. by warm te.pe.ature. and drought re.ain *** addre.s this issue.60 and 62 tre.-ring core. of *** and *** we.e.colle.te. in Yichun,*** de.drochronological me.hods,the.re.ponse.and adaptation of the.e.spe.ie. to climate.change.we.e.e.amine..A“hyste.e.is e.fe.t”was found in the.rings of both spe.ie.,linke. to May–Se.te.be. moisture.conditions of the.pre.ious *** growth of *** was positive.y corre.ate. with the.standardize. pre.ipitation-e.apotranspiration inde.(SPe.),the.pre.ipitation from Se.te.be. to Octobe. of the.pre.ious ye.r,and the.re.ative.humidity in Octobe. of the.pre.ious *** of *** is primarily re.tricte. by moisture.conditions from Se.te.be. to *** contrast,*** growth is mainly limite. by minimum te.pe.ature. in May–June.of both the.pre.ious and curre.t *** droughts,*** had a faste. re.ove.y rate.compare. to *** the.conte.t of rising te.pe.ature. since.1980,the.corre.ation be.we.n *** growth and monthly SPe. be.ame.positive.and stre.gthe.e. ove. time.while.the.growth of *** showe. no conspicuous *** findings sugge.t that the.growth of *** is alre.dy affe.te. by warming te.pe.ature.,whe.e.s *** may be.ome.limite. if warming continue. or *** change.could disrupt the.succe.sion of the.e.spe.ie.,possibly acce.e.ating the.succe.sion of pione.r *** re.ults of this re.e.rch are.of gre.t significance.for unde.standing how the.growth change. of birch spe.ie. unde. warming and drying conditions,and contribute.to unde.standing the.structural adaptation of mixe. broadle.ve.-Kore.n pine.Pinus koraie.sis)fore.ts unde. climate.change.

关键词： Tre. rings Be.ula platyphylla Be.ula costata Climate.re.ponse Moving corre.ation e.tre.e.drought

Stabilization and de.e.tion of labile.re.ction inte.me.iate. in supramole.ular containe.s

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Chine.e.Che.ical Le.te.s 2024年第6期35卷 47-52页

作者： Rui wang yang Liang Julius Re.e. Jr. yang Yu Ce.te. for Supramole.ular Che.istry&Catalysis and De.artme.t of Che.istry College of ScienceShanghai UniversityShanghai 200444China Skaggs Institute.for Che.ical Biology and De.artme.t of Che.istry The Scripps Research InstituteLa JollaCA 92037United States

De.e.tion and obse.vation of re.ctive.inte.me.iate. is an e.se.tial ste. in inve.tigation of re.ction ***,most re.ctive.inte.me.iate. are.unstable.and pre.e.t at low conce.trations;the.r short life.ime. make.the. difficult to de.e.t and *** containe.s offe. opportunitie. for the.stabilization and characte.ization of those.labile.spe.ie.,through isolation from the.me.ia and prote.tion inside.the.cavity of the.*** this re.ie.,we.summarize.the.e.ample. of labile.re.ction inte.me.iate. that are.stabilize. and characte.ize. with the.he.p of supramole.ular *** containe. compounds include.carce.ands,de.p cavitands and amide.*** focus on unstable.gue.t spe.ie.-cyclobutadie.e.be.zocycloprope.one.o-be.zyne.1,2,4,6-cyclohe.tate.rae.e.anti-Bre.t's ole.in,fluorophe.oxycarbe.e.O-acylisoamide.and he.iaminalthat act as inte.me.iate. in ce.tain organic re.ctions.

关键词： Supramole.ular containe.s Re.ction inte.me.iate. Labile.spe.ie. stabilization Short-live. spe.ie. de.e.tion Supramole.ular che.istry

Structural optimization de.ign of se.i-rigid base.asphalt pave.e.t using modulus matching crite.ion and multi-indicator range.analysis

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Journal of Traffic and Transportation e.gine.ring(e.glish e.ition) 2024年第1期11卷 131-159页

作者： Zhihao yang Linbing wang Dongwe. Cao Yinghao Miao Hailu yang China Airport Planning&De.ign Institute.Co. Ltd.Beijing 101312China De.artme.t of Road and Urban Railway e.gine.ring Beijing University of TechnologyBeijing 100124China National Ce.te. for Mate.ials Se.vice.Safe.y University of Science and Technology BeijingBeijing 100083China School of e.vironme.tal CivilAgricultural and Mechanical EngineeringUniversity of GeorgiaAthensGA 30602USA China-Road Transportation Ve.ification&Inspe.tion Hi-Te.h Co. Ltd.Beijing 100088China

Damage.to se.i-rigid base.asphalt pave.e.t is re.ate. to imprope. matching of the.pave.e.t structure.*** study mainly focuse. on the.modulus matching of structural laye.s and the.de.e.opme.t of a pave.e.t structure.optimization ***,the.modulus loss of e.isting pave.e.t structure. was analyse.,and a thre.-dime.sional finite.e.e.e.t mode. was e.tablishe. base. on the.e.isting ***,the.influe.ce.of the.modulus of e.ch structural laye. on the.me.hanical re.ponse.indicators and fatigue.life.was *** on the.re.ults,a pave.e.t structure.de.ign me.hod using the.smoothne.s of the.stre.s-strain curve.as the.modulus matching crite.ion of the.structural laye.s was *** it was found that a strain conve. point was pre.e.t and that the.stre.s mutation be.we.n the.structural laye.s was significant whe. the.modulus matching of the.pave.e.t structure.was ***,the.e.aluation indicators we.e.divide. into two groups,name.y,me.hanical indicators and fatigue.life.*** it was propose. an optimize. pave.e.t structure.de.ign me.hod base. on modulus matching and multi-indicator range.***,the.optimal modulus combination of pave.e.t structure.was de.e.mine. by this *** re.e.rch syste.atically studie. the.influe.ce.of the.modulus of e.ch structural laye. on the.me.hanical re.ponse.and fatigue.life.of the.pave.e.t,and propose. the.conce.t and spe.ific e.e.utive.crite.ia of modulus matching for the.first ***,it also provide. an e.fe.tive.optimization me.hod for pave.e.t structure.de.ign.

关键词： Stre.s-strain curve Modulus matching Structural optimization de.ign Multi-indicator range.analysis Fatigue.life

Bilaye. se.arator e.abling de.drite.fre. zinc anode.with ultralong life.pan >5000 h

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Gre.n e.e.gy & e.vironme.t 2024年第4期9卷 771-776页

作者： Lu wang Fe.fe. wang Zhe.Ding Yingxin Liu Ziyi Zhang Chunpe.g yang Kian Ping Loh Quan-Hong yang Joint School of National Unive.sity of Singapore.and Tianjin Unive.sity International Campus of Tianjin UniversityFuzhou350207China Nanoyang Group State Key Laboratory of Chemical EngineeringSchool of Chemical Engineering and TechnologyTianjin UniversityCollaborative Innovation Center of Chemical Science and Engineering(Tianjin)Tianjin300072China Haihe.Laboratory of Sustainable.Che.ical Transformations Tianjin300192China De.artme.t of Che.istry National University of Singapore117543Singapore Institute.of Proce.s e.gine.ring Chinese Academy of SciencesBeijing100190China

Aque.us zinc(Zn)batte.ie. with Zn me.al anode. are.promising cle.n e.e.gy storage.de.ice. with intrinsic safe.y and low ***,Zn de.drite.growth se.e.e.y re.tricts the.use.of Zn *** e.fe.tive.y suppre.s Zn de.drite.growth,we.propose.a bilaye. se.arator consisting of comme.cial butte. pape. and glassfibe. *** de.se.ce.lulose.base. butte. pape.(BP)with low zincophilicity and high me.hanical prope.tie. pre.e.ts the.pore.filling be.avior of de.osite. Zn and re.ate. se.arator pie.cing,e.fe.tive.y suppre.sing the.Zn de.drite.*** a re.ult,the.bilaye. se.arators e.dow the.ZnjjZn symme.rical batte.ie. with a supe.long cycling life.of Zn anode.(ove. 5000 h)at 0.5 mA cm^(-2) and the.full batte.ie. e.hance. capacity re.e.tion,de.onstrating the.advance.e.t of the.bilaye. se.arator to afford e.ce.le.t cyclability of aque.us me.al batte.ie..

关键词： Zn batte.y Bilaye. se.arator Butte. pape. Zn me.al anode Zn de.drite

Long-te.m ope.ation optimization of circulating cooling wate. syste.s unde. fouling conditions

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Chine.e.Journal of Che.ical e.gine.ring 2024年第1期65卷 255-267页

作者： Jiarui Liang Yong Tian Shutong yang Yong wang Ruiqi Yin Yufe. wang School of Che.ical e.gine.ring and e.vironme.t China University of PetroleumBeijing102249China CHN e.e.gy Xinjiang Che.ical Co. LTDUrumqi830092China Colle.e.of Me.hanical and Transportation e.gine.ring China University of PetroleumBeijing 102249China

Fouling cause. by e.ce.s me.al ions in hard wate. can ne.ative.y impact the.pe.formance.of the.circulating cooling wate. syste.(CCWS)by de.ositing ions on the.he.t e.change.'s ***,the.ope.ation optimization of CCWS ofte. prioritize. short-te.m flow ve.ocity optimization for minimizing powe. consumption,without conside.ing ***,low flow ve.ocity promote. ***,it's crucial to balance.fouling and e.e.gy/wate. conse.vation for optimal CCWS long-te.m *** study propose. a mixe.-inte.e. nonline.r programming(MINLP)mode. to achie.e.this *** mode. conside.s fouling in the.pipe.ine.dynamic conce.tration cycle.and variable.fre.ue.cy drive.to optimize.the.syne.gy be.we.n he.t transfe.,pre.sure.drop,and *** optimizing the.conce.tration cycle.of the.CCWS,wate. conse.vation and fouling control can be.*** mode. can obtain the.optimal ope.ating parame.e.s for diffe.e.t ope.ation inte.vals,including the.numbe. of pumps,fre.ue.cy,and valve.local re.istance.*** e.pe.ime.ts on cycle.and e.vironme.tal te.pe.ature.re.e.l that as the.cycle.incre.se.,the.marginal be.e.its of e.e.gy/wate. conse.vation *** pe.iods with minimal impact on fouling rate.e.e.gy/wate. conse.vation can be.achie.e. by incre.sing the.cycle.while.maintaining a low fouling ***,the.propose. mode. has significant e.e.gy/wate. saving e.fe.ts and can compre.e.sive.y optimize.the.CCWS through its incorporation of fouling and cycle.optimization.

关键词： Compute. simulation Circulating wate. syste. Fouling Conce.tration cycle Optimization Variable.fre.ue.cy drive

Face.-de.e.de.t activation of oxalic acid ove. he.atite.nanocrystals unde. the.irradiation of visible.light for e.ficie.t de.radation of pollutants

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Journal of e.vironme.tal Scie.ce. 2024年第8期142卷 204-214页

作者： Zhixiong yang Yuan Li Xiaotian wang Jiaming Li Jiquan wang Gaoke.Zhang Hube. Ke. Laboratory of Mine.al Re.ource. Proce.sing and e.vironme.t State Key Laboratory of Silicate Materials for ArchitecturesWuhan University of TechnologyWuhan 430070China Hube. e.gine.ring Consulting Co. Ltd.Wuhan 430071China

Naturally occurring he.atite.has be.n wide.y studie. in the.Fe.ton-like.syste. for wate. pollutant re.e.iation due.to its abundance.and ***,its inade.uate.catalytic activity re.ults in difficulty in e.fe.tive.y de.rading pollutants in the.catalytic de.radation syste. that it ***,we.constructe. a photoche.ical syste. compose. of he.atite.with{001}face. of high activity face. and low-cost and non-toxic oxalic acid(OA)for the.re.oval of various type. of *** re.oval rate.for the.de.radation of me.ronidazole.te.racycline.hydrochloride.Rhodamine.B,and he.avale.t chromium by he.atite.nanoplate.with the.e.pose.{001}face. activating OA unde. visible.light irradiation was 4.75,2.25,2.33,and 2.74 time. than that by the.e.pose.e.face.,*** functional the.ry(DFT)calculation prove. that the.OA mole.ule.was more.e.sily adsorbe. on the.001}face. of he.atite.than that on the.110}face.,which would favor the.formation of the.more.Fe.Ⅲ)-OA comple. and re.ctive.*** addition,the.re.ctive.site.of me.ronidazole.for the.attraction of radicals was ide.tifie. on the.basis of the.DFT calculation on the.mole.ular occupie. orbitals,and the.possible.de.radation pathway for me.ronidazole.include. carbon chain fracture.hydroxye.hyl-cle.vage.de.itroge.ation,and ***,this finding may offe. a valuable.dire.tion in de.igning an e.ficie.t iron-base. catalyst base. on face. e.gine.ring for the.improve. activity of Fe.ton-like.syste.s such as OA activation.

关键词： He.atite Face. e.posure Oxalic acid activation Fe.ton-like.syste. Pollutant re.oval

Porous high-e.tropy rare.e.rth phosphate.Re.O_(4),Re.La,Sm,e.,Ce.Pr and Gd)ce.amics with e.ce.le.t the.mal insulation pe.formance.via pore.structure.tailoring

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Inte.national Journal of Mine.als,Me.allurgy and Mate.ials 2024年第7期31卷 1651-1658页

作者： Pe.xiong Zhang e.hui wang Jingjing Liu Tao yang Hailong wang Xinme. Hou Institute.for Carbon Ne.trality University of Science and Technology BeijingBeijing 100083China Liaoning Acade.y of Mate.ials Shenyang 110000China Te.hnical Support Ce.te. for Pre.e.tion and Control of Disastrous Accide.ts in Me.al Sme.ting University of Science and Technology BeijingBeijing 100083China School of Mate.ials Scie.ce.e.gine.ring Zhengzhou UniversityZhengzhou 450001China

The.mal insulation mate.ials play an incre.singly important role.in prote.ting me.hanical parts functioning at high *** this study,a ne. porous high-e.tropy(La_(1/6)Ce.(1/6)Pr_(1/6)Sm_(1/6)e._(1/6)Gd_(1/6))PO_(4)(He.6Re.(1/6))PO_(4))ce.amics was pre.are. by combining the.high-e.tropy me.hod with the.pore.forming age.t me.hod and the.e.fe.t of diffe.e.t starch conte.ts(0–60vol%)on this ce.amic prope.tie. was syste.atically *** re.ults show that the.porous He.6Re.(1/6))PO_(4)ce.amics with 60vol%starch e.hibit the.lowe.t the.mal conductivity of 0.061 W·m^(-1)·K^(-1)at room te.pe.ature.and good pore.structure.stability with a line.r shrinkage.of approximate.y1.67%.More.ve.,the.e.fe.t of large.re.ular sphe.ical pore.(>10μm)on its the.mal insulation pe.formance.was discusse.,and an optimal the.mal conductivity pre.iction mode. was *** supe.ior prope.tie. of the.pre.are. porous He.6Re.(1/6))PO_(4)ce.amics allow the. to be.promising insulation mate.ials in the.future.

关键词： porous high-e.tropy(La_(1/6)Ce.(1/6)Pr_(1/6)Sm_(1/6)e._(1/6)Gd_(1/6))PO_(4) ce.amics high-e.tropy strate.y pore.forming age.t me.hod the.mal insulation mate.ial the.mal conductivity

A ne. fluorocarbon adhe.ive.Inhibiting agglome.ation during combustion of prope.lant via e.ficie.t F-Al_(2)O_(3) pre.gnition re.ction

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Carbon e.e.gy 2024年第6期6卷 292-305页

作者： Qifa Yao Min Xia Chao wang Fanzhi yang We. yang Yunjun Luo School of Mate.ials Scie.ce.and e.gine.ring Beijing Institute of TechnologyBeijingChina Ke. Laboratory of High e.e.gy De.sity Mate.ials Ministry of EducationBeijing Institute of TechnologyBeijingChina School of Ae.ospace.e.gine.ring Beijing Institute of TechnologyBeijingChina Advance. Re.e.rch Institute.of Multidisciplinary Scie.ce Beijing Institute of TechnologyBeijingChina

Inhibiting the.agglome.ation of molte. aluminum particle. packe. in the.binde. ne.work is a promising sche.e.to achie.e.e.ficie.t combustion of solid *** this inve.tigation,the.hydroxyl-te.minate. structure. fluorinate. alcohol compound(PFD)was introduce. to modify the.traditional polye.hyle.e.glycol/polyte.rahydrofuran block copolyme.ization(HTPe.binde.;that is,a unique.fluorinate. polye.he.(FTPe.binde. was synthe.ize. by e.be.ding fluorinate. organic se.me.ts into the.HTPe.binde. via crosslinking *** FTPe.was applie. in aluminum-base. prope.lants for the.first *** to the.comple.e.re.e.se.of fluorinate. organic active.se.me.ts in the.range.of 300℃to 400℃,the.burning rate.of FTPe.ase. prope.lant incre.se. from 4.07(0%PFD)to 6.36 mm/s(5%PFD),incre.se. by 56.27%unde. 1 *** re.ction he.t of FTPe.prope.lants incre.se. from 5.95(0%PFD)to 7.18 MJ/kg(5%PFD)unde. 3.0 MPa,indicating that HTPe.binde. modifie. with PFD would be.conducive.to inhibiting the.D90 of conde.se. combustion products(CCPs)droppe. by 81.84%from 75.46(0%PFD)to 13.71μm(5%PFD)unde. 3.0 MPa,in consiste.t with the.significant re.uction of aluminum agglome.ate. obse.ve. on the.que.che. burning surface.of the.*** re.ults de.onstrate. that a nove. FTPe.binde. with PFD can re.e.se.fluorinate. organic active.se.me.ts,which motivate.pre.gnition re.ction with the.alumina she.l in the.e.rly stage.of aluminum combustion,and the. e.hance.the.me.ting diffusion e.fe.t of aluminum to inhibit the.agglome.ation.

关键词： agglome.ation characte.istics aluminum particle. combustion fluorine.alcohol compounds HTPe.prope.lants