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electr.chemical manufactur.ng of nanocar.ons fr.m car.on dioxide in molten alkali metal car.onate salts： r.les of alkali metal cations

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Advances in Manufactur.ng 2016年第1期4卷 23-32页

作者： Happiness V. Ijije Geor.e z. Chen Depar.ment of Chemical and Envir.nmental Engineer.ng Faculty of Engineering University of NottinghamNottingham NG7 2RD UK Depar.ment of Chemical and Envir.nmental Engineer.ng and Centre for Sustainable Energy Technologies Faculty ofScience and Engineering University of Nottingham NingboChina Ningbo 315100 People's Republic of China

One simple and fast way to manufactur. a useful pr.duct fr.m CO2 is to captur. the gas by, and then car.y out electr.lysis in molten alkali metal car.onates. Car.on electr.-deposition in molten Li2CO3-Na2CO3- KaCO3 （molar.r.tio： 43.5：31.5：25.0） has been widely r.por.ed in liter.tur.. However. studies in each of the individual alkali metal car.onates either.have r.ceived less attention or.ar. simply lacking in liter.tur.. electr.chem- ical studies of these molten car.onates ar. impor.ant to under.tand their.under.ying pr.cesses and r.actions dur.ng the electr.lysis. In this wor., cyclic voltammogr.ms （CVs） wer. r.cor.ed in each of the above-mentioned molten alkali car.onate salts using a 0.25 mm diameter.Pt wir. wor.ing electr.de. In molten Na2CO3 and K2CO3, the main cathodic r.action was likely the for.ation of alkali metal, while that in Li2CO3 was car.on deposition. The r.sults also suggest that other.competing r.actions such as CO and alkali metal car.ide for.ation ar. possible as well in dif- fer.nt molten salts. On the CVs, the anodic cur.ent peaks obser.ed ar. mostly associated with the oxidation of cathodic pr.ducts. Flake/r.ng/sheet-like str.ctur.s and quasi-spher.cal par.icles wer. obser.ed in the pr.duced car.on. The mor.hology of the car.on contained both amor.hous and gr.phitic str.ctur.s, which var.ed with differ.nt electr.lysis var.ables.

关键词： Car.on captur. and utilisation electr.-deposition Cyclic voltammetr. Nanocar.ons Moltensalts Alkali metal car.onates

Wavelet-Based Mixed-r.solution Coding Appr.ach Incor.or.ting with SPT for.the Ster.o Image

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Jour.al of Systems Engineer.ng and electr.nics 2001年第3期12卷 39-44页

作者： Xu, C. z.ang, z. An, P. Communication School Shanghai University Shanghai 200072 China

With the advances of display technology, thr.e-dimensional(3-D) imaging systems ar. becoming incr.asingly popular. One way of stimulating 3-D per.eption is to use ster.o pair., a pair.of images of the same scene acquir.d fr.m differ.nt per.pectives. Since ther. is an inher.nt r.dundancy between the images of a ster.o pair., data compr.ssion algor.thms should be employed to r.pr.sent ster.o pair. efficiently. The pr.posed techniques gener.lly use block-based dispar.ty compensation. In or.er.to get the higher.compr.ssion r.tio, this paper.employs the wavelet-based mixed-r.solution coding technique to incor.or.te with SPT-based dispar.ty-compensation to compr.ss the ster.o image data. The mixed-r.solution coding is a per.eptually justified technique that is achieved by pr.senting one eye with a low-r.solution image and the other.with a high-r.solution image. Psychophysical exper.ments show that the ster.o image pair. with one high-r.solution image and one low-r.solution image pr.vide almost the same ster.o depth to that of a ster.o image with two high-r.solution images. By combining the mixed-r.solution coding and SPT-based dispar.ty-compensation techniques, one r.fer.nce (left) high-r.solution image can be compr.ssed by a hier.r.hical wavelet tr.nsfor. followed by vector.quantiz.tion and Huffman encoder. After.two level wavelet decompositions, for.the low-r.solution r.ght image and low-r.solution left image, subspace pr.jection technique using the fixed block siz. dispar.ty compensation estimation is used. At the decoder. the low-r.solution r.ght subimage is estimated using the dispar.ty fr.m the low-r.solution left subimage. A full-siz. r.constr.ction is obtained by upsampling a factor.of 4 and r.constr.cting with the synthesis low pass filter. Finally, exper.mental r.sults ar. pr.sented, which show that our.scheme achieves a PSNr.gain (about 0.92dB) as compar.d to the cur.ent block-based dispar.ty compensation coding techniques.

关键词： Data r.duction Decoding Image coding Image compr.ssion Image r.constr.ction Imaging techniques Motion compensation Motion estimation Optical r.solving power Pr.jection systems Ster.o vision Wavelet tr.nsfor.s

A HOMOTOPY METHOD OF SWITCHING SOLUTION Br.NCHES AT THE PITCHFOr. BIFUr.ATION POINT

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Jour.al of Computational Mathematics 2001年第3期19卷 299-308页

作者： Cong, Y.-H. z.u, z.-Y. College of Mathematical Sciences Shanghai Teachers University Shanghai 200234 China

Pr.vides infor.ation on a study which pr.posed a continuation method for.switching solution br.nches at a pitchfor. point. Pr.blem of the standar. pitchfor.; Infor.ation on the systems of equations; Numer.cal examples... 详细信息

关键词： homotopy method switching solution br.nches pitchfor. point

Development of contr.lled r.lease for.ulations of thiabendaz.le

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Jour.al of Agr.cultur.l Chemistr. and Envir.nment 2014年第1期3卷 1-8页

作者： Yasser.z. el-Nahhal Depar.ment of Ear.h and Envir.nmental Science Faculty of Science The Islamic University-Gaza Gaza Palestine

This study aimed to develop contr.lled r.lease for.ulation of Thiabendaz.le for.r.duced contaminations to soil water.and agr.cultur.l pr.duces. The idea behind this wor. was based on changing the ioniz.tion status of Thiabendaz.le molecule thr.ughout pH changes to become a cation then adsor.ing it to bentonite clay sur.aces. Equilibr.um concentr.tions of Thiabendaz.le in the adsor.tion solutions wer. deter.ined by HPLC. r.sults showed that Thiabendaz.le was better.adsor.ed in clay at the lowest pH value (pH 3). Fur.her.or., r.ising the temper.tur. of the adsor.tion r.action incr.ased the adsor.ed amount of Thiabendaz.le. r.lease exper.ments showed that Thiabendaz.le is extr.mely slower.at pH 3 than at pH 5.5 or.pH 9. These pr.mising r.sults suggest that application of Thiabendaz.le clay based for.ulation may r.duce the applied r.te and that the r.leased fr.ction consequently may r.duce the envir.nmental contamination. It is also advantageous to use these for.ulations in the acidic soil for.plant disease contr.l.

关键词： Thiabendaz.le Adsor.tion Contr.lled r.lease pH Bentonite

A method for.analyz.ng on-line video images of cr.stalliz.tion at high-solid concentr.tions

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Par.icuology 2008年第1期6卷 9-15页

作者： Jian Wan Cai Y. Ma Xue z. Wang Institute of Par.icle Science and Engineer.ng School of Process Environmental and Materials Engineering University of Leeds Leeds LS2 9JT UK

r.cent r.sear.h has demonstr.ted that on-line video imaging is a ver. pr.mising technique for.monitor.ng cr.stalliz.tion pr.cesses. The bottleneck in applying the technique for.r.al-time closed-loop contr.l is consider.d as image analysis that needs to be r.bust, fast and able to handle var.ed image qualities due to tempor.l var.ations of oper.ting conditions such as mixing and solid concentr.tions. Image analysis at highsolid concentr.tions tur.s out to be extr.mely challenging because cr.stals tend to over.ap or.attach to each other.and the boundar.es between the cr.stals ar. usually ambiguous. This paper.pr.sents an image segmentation algor.thm that can effectively deal with images taken at high-solid concentr.tions. The method segments cr.stals attached to each other.along the mostly r.lated concave points on the contour. of cr.stal blocks. The detailed pr.cedur. is intr.duced with application to cr.stalliz.tion of L-glutamic acid in a hot-stage r.actor.

关键词： Cr.stalliz.tion High-solid concentr.tions Image pr.cessing Multi-scale segmentation Water.hed segmentation Cr.stal siz. distr.bution

Par.llel Techniques for.Fr.me Synchr.nous Scr.mbler

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High Technology Letter. 1995年第1期1卷 51-54页

作者： Xiaor., z.. Lieguang, z. Tsinghua Univ Beijing China

In high speed tr.nsmission system such as SDH,par.llel scr.mbling technique is *** paper.pr.sents a method of expanding matr.x,which makes the tr.ditional ma-tr.x method capable of r.aliz.ng par.llel scr.mbler. of any siz..A novel method called delayoper.tor.method is also descr.bed in this *** 8-bit par.llel scr.mbling cir.uitr. ofSDH has been r.aliz.d with the two methods.

关键词： Par.llel scr.mble Matr.x method Delay oper.tor.method

electr.oxidation of methanol and ethanol on car.on electr.deposited Ni–MgO nanocomposite

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Chinese Jour.al of Catalysis 2016年第4期37卷 616-627页

作者： H. B. Hassana z. Abdel Hamid r.bab M. el-Sher.f 开罗大学理学院化学系埃及吉萨冲央冶金研究开发研究所埃及开罗

Ni–MgO nano‐composites wer. pr.par.d on car.on anodes by electr.deposition fr.m a nickel Watts bath in the pr.sence of fine MgO r.infor.ement par.icles. Their.per.or.ance as electr.cata‐lysts for.the oxidation of methanol and ethanol in alkaline medium was investigated and compar.d with that of car.on coated pur. Ni （Ni/C）. The chemical composition, phase str.ctur., and sur.ace mor.hology of the deposited nano‐composites wer. studied by ener.y disper.ive X‐r.y spectr.s‐copy, X‐r.y diffr.ctometr., and scanning electr.n micr.scopy, r.spectively. Differ.nt electr.chemi‐cal techniques wer. used to estimate the catalytic activity of the pr.par.d electr.catalyst anodes, including cyclic voltammetr. （CV）, chr.noamper.metr., and electr.chemical impedance spectr.s‐copy （EIS）. The Ni/C electr.catalyst alone exhibited r.mar.ably low catalytic activity and poor.stability towar. the electr.oxidation pr.cess. The inclusion of MgO significantly pr.moted the cata‐lytic activity of the Ni catalyst for.the alcohol electr.oxidation and enhanced its poisoning r.‐sistance. The EIS r.sults confir.ed those of CV and r.vealed a lower.char.e tr.nsfer.r.sistance and enhanced r.ughness for.the Ni–MgO/C nano‐composite electr.des compar.d with those of Ni/C.

关键词： Nickel-modified manganese oxide electr.oxidation Methanol Ethanol electr.chemical impedance spectr.scopy Cyclic voltammetr.

A NEW METHOD TO MEASUr. EFFICIENCY IN PAr.LLel Pr.DUCTION SYSTEMS WITH SHAr.D SOUr.ES IN NATUr.L LIFE

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Inter.ational Jour.al of Biomathematics 2013年第6期6卷 131-148页

作者： S. KOr.r.STAMI z. BAKHODA BIJAr.ANI Depar.ment of Mathematics Islamic Azad University Lahijan Branch Lahijan Iran Depar.ment of Mathematics Young Researcher Club Islamic Azad University Lahijan Iran

A few models in data envelopment analysis （DEA） have been pr.posed to evaluate per.or.ance of pr.duction systems which ar. composed of independent par.llel pr.duction units. In this paper. we have developed a par.llel DEA model for.pr.duction systems which ar. composed of independent par.llel subunits, so that each subunit uses its own inputs and a por.ion of the shar.d inputs to pr.duce final outputs. Also, we will pr.pose the models to calculate the efficiency of the whole system along with the efficiencies of its subunits. In addition to theor.tical der.vations, a case of 25 ar.as of Ir.n＇s Bank is used as an example to illustr.te the whole idea.

关键词： Data envelopment analysis (DEA) par.llel systems efficiency decomposition efficiency.

Exact solutions of the Duffin-Kemmer.Petiau equation with a hyper.olical potential in (1+3) dimensions

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Chinese Physics C 2013年第7期37卷 23-26页

作者： H. Hassanabadi z. Molaee A. Boumali Depar.ment of Basic Sciences Shahrood Branch Islamic Azad University Depar.ment of Basic sciences. Gar.sar.Br.nch Islamic Azad university Labor.toir. de Physique Appliquée et Théor.que LPAT Université de Tébessa

We study S-wave solutions of the Duffin-Kemmer.Petiau （DKP） equation in the pr.sence of a hyper.olical potential in （1＋3）-dimensional space-time for.spin-one par.icles. The exact analytical Nikifor.v-Uvar.v （NU） method is used in the calculations to obtain the eigenfunctions and the cor.esponding eigenvalues. Some figur.s and numer.cal values ar. included to give a better.insight to the solutions.

关键词： Duffin-Kemmer.Petiau equation hyper.olical potential Nikifor.v-Uvar.v technique