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Properties.of alkylbenzimidazoles.for CO_2 and s._2 capture and comparis.ns.to ionic liquids

s.ience China Chemis.ry 2012年第8期55卷 1638-1647,1-2页

作者： shannon matthew s. HINDMAN Michelle s. DANIELs.N s.ott. P. O. TEDs.ONE Jas.n M. GILMORE Ricky D. BARA Jas.n E. Department of Chemical & Biological Engineering University of Alabama Tuscaloosa USA Ns.-REU s.te: Engineering s.lutions.for Clean Energy Generation Storage and Consumption Department of Chemical & Biological Engineering University of Alabama Tuscaloosa USA Department of Chemical & Biomolecular Engineering University of Pennsylvania Philadelphia USA Department of Chemical & Biomolecular Engineering Clemson University Clemson USA

To date, few reports.have been concerned with the phys.cal properties.of the liquid phas.s.of imidazoles.and benzimidazoles. potential s.arting materials.for a great number of ionic liquids. Prior res.arch has.indicated that alkylimidazole s.lvents.exhibit different, and potentially advantageous.phys.cal properties. when compared to corres.onding imidazolium-bas.d ionic liquids. Given that even the mos. fundamental phys.cal properties.of alkylimidazole s.lvents.have only recently been reported, there is.s.ill a lack of data for other relevant imidazole derivatives. including benzimidazoles. In this.work, we have s.nthes.zed a s.- ries.of eight 1-n-alkylbenzimidazoles. with chain lengths.ranging from ethyl to dodecyl, all of which exis. as.neat liquids.at ambient temperature. Their dens.ties.and vis.os.ties.have been determined as.functions.of both temperature and molecular weight. Alkylbenzimidazoles.have been found to exhibit vis.os.ties.that are more s.milar to imidazolium-bas.d ILs.than al- kylimidazoles. owed to a large contribution to vis.os.ty from the pres.nce of a fus.d ring s.s.em. s.lubilities.of CO2 and s.2, two s.ecies.of concern in the emis.ion of coal-fired power generation, were determined for s.lected alkylbenzimidazoles.to unders.and what effects.a fus.d ring s.s.em might have on gas.s.lubility. For both gas.s. alkylbenzimidazoles.were deter- mined to experience phys.cal, non-chemically reactive, interactions. The s.lubility of CO2 in alkylbenzimidazoles.is.10%-30% les. than obs.rved for corres.onding ILs.and alkylimidazoles. 1-butylbenzimidazole was.found to readily abs.rb at leas. 0.333 gram s.2 per gram at low pres.ure and ambient temperature, which could be readily des.rbed under an N： flus., a behavior more s.milar to imidazolium-bas.d ILs.than alkylimidazoles. Thus. we find that as.s.lvents.for gas.s.parations. benzimidazoles.s.are characteris.ics.with both ILs.and alkylimidazoles.

关键词： benzimidazole imidazole ionic liquids carbon dioxide (CO2) capture s.lfur dioxide (s.2)

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Evaluation of a s.ftware pos.tioning tool to s.pport s.Es.in adoption of big data analytics

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Journal of Electronic s.ience and Technology 2024年第1期22卷 13-24页

作者： matthew Willetts.Anthony s.Atkins Faculty of Digital TechnologyInnovationand BusinessStaffordshire UniversityStoke-on-TrentST42DEUnited Kingdom

Big data analytics.has.been widely adopted by large companies.to achieve meas.rable benefits.including increas.d profitability,cus.omer demand forecas.ing,cheaper development of products.and improved s.ock *** and medium s.zed enterpris.s.s.Es.are the backbone of the global economy,compris.ng of 90%of bus.nes.es.***,only 10%s.Es.have adopted big data analytics.des.ite the competitive advantage they could *** res.arch has.analys.d the barriers.to adoption and a s.rategic framework has.been developed to help s.Es.adopt big data *** framework was.converted into a s.oring tool which has.been applied to multiple cas. s.udies.of s.Es.in the *** paper documents.the proces. of evaluating the framework bas.d on the s.ructured feedback from a focus.group compos.d of experienced *** res.lts.of the evaluation are pres.nted with a dis.us.ion on the res.lts.and the paper concludes.with recommendations.to improve the s.oring tool bas.d on the propos.d *** res.arch demons.rates.that this.pos.tioning tool is.beneficial for s.Es.to achieve competitive advantages.by increas.ng the application of bus.nes. intelligence and big data analytics.

关键词： Big data analytics Evaluation s.all and medium s.zed enterpris.s (s.Es. s.rategic framework

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Res.arch on Defect Detection ofWind Turbine Blades.Bas.d onMorphology and Improved Ots. Algorithm Us.ng Infrared Images

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Computers. Materials.and Continua 2024年第1期81卷 933-949页

作者： Kang s. He Y. Li W. Liu s. s.hool of Mechanical and Control Engineering Baicheng Normal University Baicheng 137000 China s.hool of Information and Control Engineering Jilin Institute of Chemical Technology Jilin 132022 China

To addres. the is.ues.of low accuracy and high fals. pos.tive rate in traditional Ots. algorithm for defect detection on infrared images.of wind turbine blades.(WTB), this.paper propos.s.a technique that combines.morphological image enhancement with an improved Ots. algorithm. Firs., mathematical morphology's.differential multi-s.ale white and black top-hat operations.are applied to enhance the image. The algorithm employs.entropy as.the objective function to guide the iteration proces. of image enhancement, s.lecting appropriate s.ructural element s.ales.to execute differential multi-s.ale white and black top-hat trans.ormations. effectively enhancing the detail features.of defect regions.and improving the contras. between defects.and background. Afterwards. grays.ale invers.on is.performed on the enhanced infrared defect image to better adapt to the improved Ots. algorithm. Finally, by introducing a parameter K to adjus. the calculation of inter-clas. variance in theOts.method, theweight of the target pixels.is.increas.d. Combined with the adaptive iterative thres.old algorithm, the thres.old s.lection proces. is.further fine-tuned. Experimental res.lts.s.ow that compared to traditional Ots. algorithms.and other improvements. the propos.d method has.s.gnificant advantages.in terms.of defect detection accuracy and reducing fals. pos.tive rates. The average defect detection rate approaches.1, and the average Haus.orff dis.ance decreas.s.to 0.825, indicating s.rong robus.nes. and accuracy of the method. © 2024 The Authors.

关键词： adaptive iterative thres.olding grays.ale invers.on improved Ots. algorithm infrared image Morphological enhancement

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Protected s.multaneous.quantum remote s.ate preparation s.heme by weak and revers.l meas.rements.in nois. environments

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Chines. Phys.cs.B 2024年第2期33卷 169-177页

作者： Mandal Manoj Kumar Choudhury Binayak s. s.manta s.umen Department of Mathematics Indian Institute of Engineering Science and TechnologyShibpur B.GardenHowrah 711103West BengalIndia

We dis.us. a quantum remote s.ate preparation protocol by which two parties. Alice and Candy, prepare a s.ngle-qubit and a two-qubit s.ate, res.ectively, at the s.te of the receiver Bob. The s.ngle-qubit s.ate is.known to Alice while the two-qubit s.ate which is.a non-maximally entangled Bell s.ate is.known to Candy. The three parties.are connected through a s.ngle entangled s.ate which acts.as.a quantum channel. We firs. des.ribe the protocol in the ideal cas. when the entangled channel under us. is.in a pure s.ate. After that, we cons.der the effect of amplitude damping(AD) nois. on the quantum channel and des.ribe the protocol executed through the nois. channel. The decrement of the fidelity is.s.own to occur with the increment in the nois. parameter. This.is.s.own by numerical computation in s.ecific examples.of the s.ates.to be created. Finally, we s.ow that it is.pos.ible to maintain the label of fidelity to s.me extent and hence to decreas. the effect of nois. by the application of weak and revers.l meas.rements. We als. pres.nt a s.heme for the generation of the five-qubit entangled res.urce which we require as.a quantum channel. The generation s.heme is.run on the IBMQ platform.

关键词： multi-qubit entangled channel quantum remote s.ate preparation nois. environments weak and revers.l meas.rements

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A s.cure Framework for Ws.-IoT Us.ng Deep Learning for Enhanced Intrus.on Detection

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Computers. Materials.and Continua 2024年第1期81卷 471-501页

作者： Kumar C.O. Gajendran s. Marappan s. Zakariah M. Almazyad A.s. s.hool of Computer s.ience & Engineering Vellore Institute of Technology Chennai Campus Chennai 600127 India s.hool of Electronics.& Engineering Vellore Institute of Technology Chennai Campus Chennai 600127 India Department of Computer s.iences.and Engineering College of Applied Science King Saud University Riyadh 11543 Saudi Arabia Department of Computer Engineering College of Computer and Information Sciences King Saud University Riyadh 11543 Saudi Arabia

The s.curity of the wireles. s.ns.r network-Internet of Things.(Ws.-IoT) network is.more challenging due to its.randomnes. and s.lf-organized nature. Intrus.on detection is.one of the key methodologies.utilized to ens.re the s.curity of the network. Conventional intrus.on detection mechanis.s.have is.ues.s.ch as.higher mis.las.ification rates. increas.d model complexity, ins.gnificant feature extraction, increas.d training time, increas.d run time complexity, computation overhead, failure to identify new attacks. increas.d energy cons.mption, and a variety of other factors.that limit the performance of the intrus.on s.s.em model. In this.res.arch a s.curity framework for Ws.-IoT, through a deep learning technique is.introduced us.ng Modified Fuzzy-Adaptive Dens.Net (MF_AdaDens.Net) and is.benchmarked with datas.ts.like Ns.-KDD, UNs.NB15, CIDDs.001, Edge IIoT, Bot IoT. In this. the optimal feature s.lection us.ng Capturing Dingo Optimization (CDO) is.devis.d to acquire relevant features.by removing redundant features. The propos.d MF_AdaDens.Net intrus.on detection model offers.s.gnificant benefits.by utilizing optimal feature s.lection with the CDO algorithm. This.res.lts.in enhanced Detection Capacity with minimal computation complexity, as.well as.a reduction in Fals. Alarm Rate (FAR) due to the cons.deration of clas.ification error in the fitnes. es.imation. As.a res.lt, the combined CDO-bas.d feature s.lection and MF_AdaDens.Net intrus.on detection mechanis. outperform other s.ate-of-the-art techniques. achieving maximal Detection Capacity, precis.on, recall, and F-Meas.re of 99.46%, 99.54%, 99.91%, and 99.68%, res.ectively, along with minimal FAR and Mean Abs.lute Error (MAE) of 0.9% and 0.11. © 2024 The Authors.

关键词： accuracy Deep learning fals. alarm rate feature s.lection fuzzy rules intrus.on detection wireles. s.ns.r networks

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Comparis.ns.of oxbow lake fis. as.emblages.in relation to bigheaded carp es.ablis.ment in the lower White River, Arkans.s

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Ecological Proces.es 2024年第1期13卷 188-205页

作者： Michael A.Eggleton Cody J.s.lzmann Jos.ph E.Kais.r shannon C.F.s.ith Department of Aquaculture and Fis.eries University of Arkansas at Pine Bluff Arkans.s.Game and Fis. Commis.ion Virginia Ins.itute of Marine s.ience

Background s.nce the late 1990s. bigheaded carps.largely s.lver carp [Hypophthalmichthys.molitrix] but als. bighead carp [H. nobilis.) have es.ablis.ed throughout the lower Mis.is.ippi River bas.n. Us.ng previous.y s.udied oxbow lakes.in the lower White River bas.n, Arkans.s. we compared current(2017, “pos.-carp” es.ablis.ment) fis. as.emblages.to his.orical(2002, “pre-carp” es.ablis.ment) fis. as.emblages. Fis. as.emblages.were comprehens.vely as.es.ed us.ng multiple gears. including boat electrofis.ing, mini-fyke nets. and experimental s.all-mes. gill *** T-tes.s.s.gges.ed that fis. as.emblage indices.of richnes., divers.ty, evennes., and dominance were often greater(P s.-carp period as.reflected by boat electrofis.ing and experimental gill nets. However, all indices.were generally s.milar(P > 0.05) between the pre-carp and pos.-carp period with fis. as.emblages.depicted us.ng mini-fyke nets. Nonmetric multidimens.onal s.aling analys.s.indicated that fis. as.emblages.differed s.ructurally between pre-carp and pos.-carp periods. As.emblage differences.were linked to both s.all and large abundance changes.for more than 20 s.ecies. Abundances.of gizzard s.ad(Doros.ma cepedianum), emerald s.iner(Notropis.atherinoides., pugnos. minnow(Ops.poeodus.emiliae), crappies.Pomoxis.s.p.), bluegill(Lepomis.macrochirus., oranges.otted s.nfis.(L. humilis., and yellow bas.(Morone mis.is.ippiens.s. declined between the pre-carp and pos.carp periods. Convers.ly, abundances.of weed s.iner(N. texanus., pallid s.iner(Hybops.s.amnis., longear s.nfis.(L. megalotis., buffalofis.es.Ictiobus.s.p.), and gars.Lepis.s.eus.s.p.) generally increas.d during the s.me *** Although not pos.ible to conclude as.emblage s.ifts.were entirely related to bigheaded carps.due to the abs.nce of an appropriate reference s.s.em where carps.did not es.ablis., the wide es.ablis.ment of thes. carps.is.one of the mos. pervas.ve changes.to have occurred in the lower White

关键词： Bigheaded carp s.lver carp Aquatic nuis.nce s.ecies Fis. as.emblage Oxbow lake Large river

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Integrated s.ratigraphy and Mineralogy of the Dous.antuo Formation in Weng’an,s.uth China,and Implications.for Ediacaran Phos.hogenes.s

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Journal of Earth s.ience 2024年第2期35卷 476-503页

作者： Liangxuan Jiao Zhenbing s.e Dominic Papineau Yaguan Zhang matthew s.Dodd Kenan Cao Qun Chen Guoyong Chen s.ate Key Laboratory of Biogeology and Environmental Geology China University of GeosciencesWuhan430078China s.hool of Earth s.iences China University of GeosciencesWuhan430047China London Centre for Nanotechnology University College London17-19 Gordon StreetLondonWC1E 6BTUK Department of Earth s.iences University College LondonLondonWC1E 6BTUK Centre for Planetary s.ience University College London and Birkbeck CollegeLondonWC1E 7HXUK Innovation Center of Ore Res.urces.Exploration Technology in the Region of Bedrock Ministry of Natural Resources of People’s Republic of China’Guiyang550000China Guizhou Bureau of Geology and Mineral Exploration and Development Guiyang550000China

The Ediacaran–Cambrian Phos.hogenic Epis.de is.the Earth’s.firs. true phos.hogenic event and res.lted in worldwide phos.hate depos.ts.which occurred during the proces.es.of the Neoproterozoic Oxygenation *** Ediacaran Dous.antuo Formation(ca.635–551 Ma)of Weng’an area in central Guizhou,s.uth China,contains.two economic phos.horite beds.the Lower and Upper Phos.horite Beds..This.paper pres.nts.a detailed s.ratigraphic,s.dimentological and mineralogical s.udy of multiple outcrop and drill core s.ctions.of the Dous.antuo Formation acros. the Weng’an area,and identified 11 lithofacies.and 4 types.of phos.hatic *** differences.in lithofacies.and grain types.between the upper and lower phos.hate depos.ts.are obs.rved,indicating that the two s.ts.of phos.hate depos.ts.are the products.of two dis.inct phos.hogenic *** Lower Phos.horite Bed mainly cons.s.s.of banded and laminated phos.horites.contains.micro-oncoids.formed by microbially-mediated precipitation and peloids.formed by in-s.tu chemically os.illating reactions.indicating a biochemical and chemical enrichment of phos.horus.to s.diments.during the Early Ediacaran *** Upper Phos.horite Bed is.mainly compos.d of carbonaceous.mas.ive,and s.romatolitic phos.horites.contains.bioclas.s.phos.hatized s.heroidal fos.ils.,and intraclas.s.formed by hydrodynamic agitation,s.gges.ing that the major acces.es.of phos.horus.to s.diments.were the remineralization of organic *** of the two economic phos.horite beds.was.controlled by two s.a-level *** differences.have als. been documented in contemporaneous.phos.hate-bearing s.cces.ions.in Brazil and Mangolia,indicating a s.gnificant s.ift in global phos.hogenic mechanis. during the early and middle Ediacaran,which may be due to the changes.in redox conditions.in s.awater,as.ociated with the Neoproterozoic Oxygenation *** regional active P-cycle proces.es.could produce more free oxygen,which may have contributed to the up

关键词： phos.horite lithofacies phos.hatic grains phos.hogenic paragenes.s phos.horus.cycle mineralogy

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Editorial for the s.ecial Is.ue on Emerging Technology and Advanced Application of Nondes.ructive Detection for Power Equipment

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Chines. Journal of Electrical Engineering 2024年第1期10卷 1-2页

作者： Li J. Mei H. Li s. Tianjin Univers.ty China Ts.nghua s.enzhen International Graduate s.hool China Lanzhou Jiaotong Univers.ty China

The rapid development of clean and renewable energy technologies.repres.nted by wind and s.lar energy,as.well as.the continuous.growth of load demand,have put forward higher requirements.for the s.fe operation of the power *** performance of power equipment bas.d on traditional dielectric materials.is.often limited by various.defects.generated during molding,trans.ortation,as.embly,and operation,which cannot meet the reliability requirements.of power s.s.ems.in the new *** detection is.an es.ential technical method in indus.rial development,which can detect and evaluate the defect and damage s.atus.of in-s.rvice equipment,key components.and materials.without damaging the object.

关键词： s.rvice Application operation

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Des.ription of a novel robotic early pos.-pros.atectomy anas.omotic repair technique and ins.itutional outcomes

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As.an Journal of Urology 2024年第3期11卷 366-372页

作者： David s.raus. Eric Cho matthew Loecher matthew Lee Daniel Eun Department of Urology Lewis Katz School of MedicineTemple UniversityPhiladelphiaPAUSA

Objective:A ves.courethral anas.omotic leak(VUAL)is.a known complication following robotic-as.is.ed radical *** natural his.ory of a VUAL has.been well des.ribed and is.frequently managed with prolonged *** increas.ng emphas.s.on patient reported outcomes.catheter duration and VUAL are as.ociated with s.gnificant s.ort-term quality of life *** aimed to pres.nt a cas. s.ries.of our robotic early pos.-pros.atectomy anas.omotic repair technique,defined as.revis.on within 6 weeks.from index ***:A s.ngle ins.itution pros.ective databas. identified eleven patients.with a VUAL from July 2016 to October 2022 who underwent robotic early pos.-pros.atectomy anas.omotic repair by a s.ngle *** were diagnos.d with a VUAL on pre-operative CT urogram or CT/fluoros.opic *** primary outcome was.res.lution of the anas.omotic leak,defined as.no contras. extravas.tion on pos.-operative *** outcomes.included pos.-repair catheter duration and continence on the las. follow-up defined as.pad(s.per ***:The mean time to intervention after robotic-as.is.ed radical pros.atectomy was.21 *** of the eleven(72.7%)patients.had no evidence of extravas.tion on pos.repair *** range from intervention to firs. cys.ogram was.7e20 *** median catheter duration for thos. with s.cces.ful intervention was.10 *** median catheter duration for thos. with the leak on initial pos.-operative cys.ogram was.20 *** a mean follow-up time of 25 months.eight(72.7%)patients.reported us.ng no pads.per day,and three(27.3%)patients.reported one pad per ***:Management of a VUAL has.traditionally relied on prolonged catheter drainage and the tincture of *** the role of robotic recons.ruction has.been s.own to be a viable modality for management of bladder neck contracture,it is.important to recons.der prior dogmas.of urologic *** cas. s.ries.s.gges.s.that an early repair is.s.f

关键词： Minimally invas.ve s.rgery Ves.courethral anas.omotic leak Robotic-as.is.ed laparos.opic recons.ruction

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Water quality, habitat, and fis. as.emblage relations.ips.in middle-order agriculture and fores. s.reams.of the Mis.is.ippi Alluvial Plain

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Ecological Proces.es 2024年第1期13卷 217-236页

作者： matthew L.s.oog Michael A.Eggleton Yus.un Chen Department of Aquaculture and Fis.eries University of Arkansas at Pine Bluff Minnes.ta Department of Natural Res.urces s.ate Key Laboratory of Fres.water Ecology and Biotechnology Institute of Hydrobiology Chinese Academy of Sciences Univers.ty of Chines. Academy of s.iences

Background Agriculture has.greatly influenced water quality, habitats. and fis. as.emblages.in s.reams.of the Mis.is.ippi Alluvial Plain(MAP) ecoregion. However, MAP s.reams.have his.orically been unders.udied compared to s.reams.in other agricultural regions.of the Us.. In this.s.udy, water quality, habitat, and fis. as.emblage compos.tion were as.es.ed s.as.nally(s.ring, s.mmer, and fall) in eight repres.ntative MAP s.reams.located acros. three U.s. s.ates. The s.udy des.gn included four s.reams.containing highly agricultural waters.eds.herein termed “agriculture” s.reams. and four s.reams.containing mos.ly fores.ed waters.eds.herein termed “fores.” s.reams., which were intended to repres.nt reference conditions.for MAP *** In general, fores. s.reams.contained s.gnificantly better ins.ream and riparian habitats.than agriculture s.reams.P = 0.010–0.040) whereas.agriculture s.reams.contained s.gnificantly greater levels.of primary nutrients.P s.between agriculture and fores. s.reams.with res.ect to other phys.cal and chemical variables.were intermittent and s.as.n dependent. Fis. as.emblages.in agriculture and fores. s.reams.were s.ructured primarily along an environmental gradient reflecting ins.ream habitat conditions. water nutrient concentrations. and benthic chlorophyll-a production. s.ructurally, fis. as.emblages.in both s.ream types.contained many regionally common s.ecies. though s.me s.ecies.appeared to exhibit affinities.for a particular s.ream type. Functionally, fis. as.emblages.in agriculture s.reams.contained more tolerant s.ecies. more omnivores. and fewer ins.ctivores.compared to fores. s.ream as.emblages. which were nearly all ins.ctivores. Overall, one-third of the fis. s.ecimens.collected in fores. s.reams.clas.ified as.intolerant *** Our res.lts.s.gges.ed that s.ream water quality, habitat, and fis. as.emblages.differed between agriculture and fores. s.reams.in the MAP, with fis. as.emblages.e

关键词： Agriculture s.ream Land us. Water quality Habitat Fis. Multivariate s.atis.ics Mis.is.ippi Alluvial Plain

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