non aqueous electrolytes for lithium batteries

... materials for lithium- ion batteries. Nature 2000, 407:496. 4. Taberna PL, Mitra S, Poizot P, Simon P, Tarascon JM: High rate capabilities Fe 3 O 4 -based Cu nano-architectured electrodes for lithium- ion ... reversible lithium storage in Bacillus subtilis-directed porous Co 3 O 4 nanostructures. ACS Nano 2011, 5:443. 7. Li Y, Tan B, Wu Y: Mesoporous Co 3 O 4 nanowire arrays for lithium ion batteries ... Park JG, Sung YM, Chung KY, Cho WI, Kim DW: Enhanced cycling performance of Fe 0 /Fe 3 O 4 nanocomposite electrode for lithium- ion batteries. Nanotechnology 2009, 20:295205. 10. Ko YD, Kang...

Ngày tải lên: 20/06/2014, 21:20

... electrodes for lithium- ion batteries. J Mater Chem 2005, 15:2257-2267. 6. Feng L, Chang Y, Wu L, Lu T: Electrochemical behavior of spinel LiMn 2 O 4 as positive electrode in rechargeable lithium ... cathode materials for lithium secondary batteries. J Power Sources 2007, 167:178-184. 17. Yi TF, Li Cy, Zhu YR, Shu J, Zhu RS: Comparison of structure and electrochemical properties for 5 V LiNi 0.5 Mn 1.5 O 4 and ... 82.47.Aa; 82.47 a; 82.45.Fk. Keywords: lithium ion batteries, cathode s, nanocomposites, coprecipitation Introduction The development of rechargeable lithium ion batteries depends critica lly on the...

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Ngày tải lên: 21/06/2014, 17:20

... de- sign tests for potential candidates. You might also consider holding periodic “design exercises for non- designers” at your company, presenting some material and running a challenge for people ... your knowledge in the area. None of the challenges requires any computer programming or even a computer unless needed for research. Even then, good ol’ books will do. Non- Digital Shorts: A range ... too easy, too difficult, or optimal for only certain groups of players. When play is balanced, it provides a consistent challenge for its target audience. For competitive multiplayer games, it...

Ngày tải lên: 10/02/2014, 18:15

... Whichrequireapproximately1week for regeneration B. Whichrequireapproximately6weeks for regeneration C. Whichrequireapproxi mately12weeks for regeneration D. Whichrequireapproximately6months for regeneration E. ... )was for children12years oryounger.(5‐7)Aprimarydiagnosisofacuteorchronicsinusitisaccounted for 58.7%ofallexpenditures($3.5 billion).(5‐7)Itisestimatedthat2.2billiondollarsisspentyearly onprescriptionandnonprescriptionmedication. (5‐7)About12%eachofthecosts for asthmaandchronicotitismediaand eustachiantubedisorderswere  45 Allergicand Non AllergicSinusitis for thePrimaryCarePhysician: Pathophysiology,EvaluationandTreatment  CHAPTER4 ALLERGYANDSINUSDISEASE INTRODUCTION AccordingtotheAmericanAcademyofAllergy,Asthma,andImmunology(AAAAI),over50million Americanssufferfromsomeformofallergiesthatgreatlyimpactstheirqualityoflifeaswellashealthcarecoststhat areestimatedatapproximately20billiondollarsayear.( 1)Allergicrhinitisaloneisestimatedtoaffect20to30 millionAmericanseachyearandaccounts for anestimated3%ofallmedicalofficevisitsandranksasthesecond mostcommonreasonpatientsseekprofessionalhealthcare.(1)InmanygeographicareasoftheUnitedStates, allergiesplay asignificantroleascontributoryfactorsofsinusdiseaseaswellassecondarycauseofsinusinfections. Itisofgreatvaluetothepractitionertounderstandtheunderlyingimmunologicfactors,availablediagnostictests andtreatments.(2‐8) Itisespeciallyvaluable for thepractitionertobewellversedin allergybecausemanypatientsareconfused aboutthedifferencebetweensinusitis ... arance.” Rhinology. 2006;44(3):193‐6. 23.BoatsmanJ,CalhounK,RyanM.“RelationshipBetweenRhinosinusitisSymptomsandMucociliaryClearance Time.”OtolaryngolHeadNeckSurg.2006;134(3):491‐493. 24.BeckerDG.SeptoplastyandTurbinateSurgery.AestheticSurgJ2003;23:393‐403. 25.CookPR,BegegniA,BryantC,DavisWE.Effectofpartialmiddleturbinectomyon nasalairflowandresistance. OtolaryngolHeadNeckSurg1995;113:413‐419. 26.PankeyGA,GrossCW,MendelsohnMG.ContemporaryDiagnosisandManagementofSinusitis.NewtownPA: HandbooksinHealthCare,2000.  27.FacerGW,KernEB.Sinusitis:currentconceptsandmanagement.In:BaileyBJ,editor.HeadandNeckSurgery– Otolaryngology.Philadelphia,PA: JBLippincott,1993.  28.ReulerJB,LucasLM,KumarKL.Sinusitis.Areview for generalists.WestJMed1995;163:40–48.  29.StammbergerH.FunctionalEndoscopicSinusSurgery.Philadelphia,PA:BCDecker,1991.  19 Allergicand Non AllergicSinusitis for thePrimaryCarePhysician: Pathophysiology,EvaluationandTreatment  CHAPTER2 SIGNSANDSYMPTOMSOFSINUSDISEASE   SinusitisisoneofthemostcommonhealthcarecomplaintsintheUnitedStates.(1‐8)Approximately1in8 peopleintheUnitedStateswillhavesinusitisatonetimeintheirlives.TheNationalCenter for DiseaseStatistics reports thatsinusitisisnowthenumberonechronicillness for allagegroupsintheUnitedStates.The1993National HealthInterviewSurveyfoundthatsinusitiswasthemostcommonlyreportedchronicdisease,affecting approximately14%oftheUnitedStatespopulation,andAnandreporteda16%incidenceinhis2004 study.(9)A 2006studybyKoyandCoonsontheincidenceofchronicconditionsreportedthatapproximatelythree‐fifths (62.5%)ofthestudysamplereportedatleastoneof18chronicmedicalconditions;sinusitis(24.8%)wasthemost commonlyreportedcondition,followedbyhypertension(23.5%)andarthritis(21.5%).( 10) Sinusdiseaseaffectsroughly31millionpeopleannually.Furthermore,10%ofthepopulationsuffersfrom allergicsinusdisease.Between1990and1992,reportsindicatedthatsinusitissufferershadapproximately73 milliondaysofrestrictedactivity—a50%increasefrom4yearsearlier.Sinusitisaccounted for nearly25million physicianoffice visitsintheUnitedStatesin1993and1994.(Ofcourse,manymorecasesareunreported,andmany patientssufferwithoutseeingaphysician,sothetrueincidenceofsinusitisisunknown.)Althoughtheyaretypically notseriousandrespondpromptlytopropermedicaltreatment,inflammatorydiseasesofthesinusesare aleading causeoflossofproductivitybothatworkandatschool. RhinosinusitisposesanimmenseeconomicburdenintheUnitedStates.(9)Thecostoftreatingsinus diseaserunsintothebillionsofdollars,withouttakingintoaccountlossofwork.Overallhealthcareexpenditures attributableto sinusitisin1996wereestimatedat$5...

Ngày tải lên: 19/02/2014, 08:20

... ap- proach to exploit non- local information in the next section. 3 Incorporating Non- local Information 3.1 Using Trigger Features To exploit non- local information to sequential la- beling for a statistical ... language tasks. Thus, we need new methods to import non- local information into se- quential models. There are two types of method for using non- local information. One is to add edges to structure to ... bet- ter than CRF (the structured model) not only for time cost but also for the performance on our ex- periment 4 . This result shows that local informa- tion provides the fundamental decision clues....

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... assay for androgen receptor binding: a practical approach for EDC screening 1281 using the chimpanzee AR. Toxicol Lett 26-9-2008;181:126-131. 1282 [67] Anon. US-EPA: Integrated summary report for ... combination of alternative approaches. 1025 Therefore, for reproductive toxicity testing, animal studies will remain the last resort for 1026 foreseeable time. This is caused by e.g. the often ... There are a number of international efforts to bring together existing toxicological 772 information on reproductive toxicology in an electronic format. For data that are publicly 773 available...

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... health worker issues. Long-term stability in Tanzania, for example, provides an important context both for health workforce planning and for external funding, while higher domestic financing in ... government introduced payment of non- practice, risk and extraneous allowances for doctors, dentists and pharmacists in public service, and risk and uniform allowances for nurses and other health ... documents were forthcoming. The searches, in general, looked for documents referring to HCW that also addressed financial incentives, non- financial incentives, motivation, performance, HIV and...

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... situated. This works well for globally smooth problems. The resulting scheme is linear for linear PDEs, hence stability can be easily analyzed by Fourier transforms (for the uniform grid case). However, ... norm non- increasing. Of course, this stability is too weak to imply any convergence. As was mentioned before, there is no known convergence result for ENO schemes of order higher than 2, even for ... two. Thus, for ENO, although the stencil choosing process needs to be done only once, the reconstruction (2.10) has to be done for each quadrature point used in the flux formulation. For WENO,...

Ngày tải lên: 15/03/2014, 18:20

... affect the nano-Fe 2 O 3 performance as anode material for lithium ion batter- ies [24,25]. Nanosize materials have large surface areas and high surface energy. For lithium ion battery applications, ... provide more sites for lithium ion intercalation/de-intercalation. The improvement seen in the nanorods electrodes may be also attributed to the shorter pathways in the nanorods for lithium ion diffusion. ... hydrother- mal method. Both the nanorods and commercial Fe 2 O 3 were t ested as anode materials for lithium ion batteries. Electrochemical mea- surements, such as CV and EIS, demonstrated that the nanorods had...

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... for general distribution, for promotion, for creating new works, or for resale. Specifi c permission must be obtained in writing from Woodhead Publishing Limited for such copying. Trademark ... 18 Non- metallic biomaterials for tooth repair and replacement â Woodhead Publishing Limited, 2013 Lee J J, Constantino P J, Lucas PW and Lawn BR (2011), ‘Fracture in teeth: a diag- nostic for ... carries an important medical signifi - cance. For, fi nding soft chemical ways to disinfect and remineralize the       10 Non- metallic biomaterials for tooth repair and replacement â Woodhead...

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... association of nonverbal behaviors and language. In this section we review research by non- computational linguists and discuss how this research has been employed to formulate algorithms for natural ... structure (turns), and information structure (theme/rheme). For the moment, we have demonstrated that posture shifts may signal boundaries of units; do they also signal the information content ... as Collagen [18]. Other nonverbal behaviors have been shown to be correlated with the underlying conversational structure and information structure of discourse. For example, gaze shifts...

Ngày tải lên: 31/03/2014, 04:20

... boiling the beads in non- reducing sample buffer for 5 minutes before being analysed by 8% SDS- PAGE (Invitrogen) under non- reducing conditions. Pro- teins were electro-blotted for 1.5 hours onto ... were pre-cleared for one hour with 30 μl of protein A sephar- ose or protein G sepharose per ml of cell lysate. Immu- noprecipitations were performed overnight at 4°C on a rotating platform using the ... superna- tants were collected and analyzed for gelatinolytic activ- ity. Positive controls for MMP-9 and MMP-2 (obtained from R&D) were included. For quantification, gels were scanned using...

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... safe batteries possible and permits the development of thin batteries with design flexibility. Most of the efforts to date have focused on poly(ethylene oxide) [PEO] as the host material for ... Then, the solution was sonicated for 10 min and stirred for 24 h for dispersion. PS-based SPE was prepared by mixing the PS/LiCF 3 SO 3 and Al 2 O 3 solutions for 4 days. The solutions were ... because the polar groups dissolve lithium salt and coordinate cations. Based on the above point of view, polystyrene [PS] that has nonpolar groups is not suitable for the polymer matrix. However,...

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... nanoparticles. It agrees with the results of Tseng et al. for concentrated (5 to approximately 12 vol.%) aqueous suspensions of TiO 2 [32] and that of Tamjid et al. for Ag/diethylene gly- col (0.2 to approximately ... resisting force increases. Therefore, the viscosity and the heat resistance increase with the increase of the volume fraction. Figure 7 shows the rheological behaviors at different temperatures for ... Minardi JE, Chuang HN: Performance of a black liquid flat-plate solar collector. Sol Energy 1975, 17:179-183. 8. Bertocchi R, Karni J, Kribus A: Experimental evaluation of a non- isothermal high temperature...

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... materials for lithium- ion batteries. Chem Mater 2008, 20:3617. doi:10.1186/1556-276X-6-397 Cite this article as: Seo et al.: Low-temperature synthesis of CuO- interlaced nanodiscs for lithium ion ... Park JG, Sung YM, Chung KY, Cho WI, Kim DW: Enhanced cycling performance of an Fe 0 /Fe 3 O 4 nanocomposite electrode for lithium- ion batteries. Nanotechnol 2009, 20:295205. 27. Ko YD, Kang JG, Choi ... nanostructures such as dendrites and spheres, assembled with nanoneedles, have been reported as high-performance anodes for Li ion batteries [12-14]. Herein,wedemonstratealow-temperatureandlarge- scale...

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