synthesis and electrochemical performance of lifepo4 by solgel method
Synthesis and photoluminescence property of silicon carbon nanowires synthesized by the thermal evaporation method
... products mainly consist of b-SiCnanowires. By means of XRD, SEM, EDS, IR and TEM (HR-TEM),b-SiC nanowires have been characterized and discussed in detail.The growth direction of nanowires lies ... Creative ResearchGroup of National Science Foundation of China (Grant no.50721003), the Foundation of the Ministry of Education of Chinafor Returned Scholars (Grant no. 2005383) and the National ... ratio of Si/C/O of the nanowires is about3:2:2, which corresponds well to the standard SiC and SiO2.The small quantity of oxygen may come from the resident oxidelayer. The IR spectrum of the...
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Tài liệu Structure Development and Mechanical Performance of Polypropylene docx
... values and standard deviations of the activation volumes of process I and II. The slope in the high temperature and/ or low strain rate regime is representativefor the activation volume of process ... production and processing of the competing materials is decisive.Figure 1: Historical world production of plastics and steel [1].The dynamic development in the demand of plastics is mostly covered by ... evolution of (absolute) specific volume of polymers as afunction of pressure, temperature, cooling rate and shear rate by measuring the volume change of the sample. The apparatus consists of a pressure...
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Báo cáo khoa học: Apoptosis and autophagy: Regulation of apoptosis by DNA damage signalling – roles of p53, p73 and HIPK2 ppt
... 2009 FEBS 6075MINIREVIEWApoptosis and autophagy: Regulation of apoptosis by DNA damage signalling – roles of p53, p73 and HIPK2Nadja Bitomsky and Thomas G. HofmannGerman Cancer Research Center ... the mitochondria by activation of Bax and Bak, resulting inthe release of pro-apoptotic factors and apoptotic cell death.p53, p73 and HIPK2 in apoptosis N. Bitomsky & T. G. Hofmann6076 FEBS ... crosslinks (e.g. induced by cisplatin) and stalling of replication forks in the S phase of the cell cycle (e.g.elicited by topoisomerase inhibitors such as camptothe-cin and etoposide) [1]. Recent...
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Báo cáo Y học: Synthesis and turn-over of the replicative Cdc6 protein during the HeLa cell cycle potx
... determined by immunoprecipitation.Rates of hCdc6p synthesis To investigate w hether the synthesis of hCdc6p wasrestricted to specific phases of t he c ell cyc le, He La cellswere arrested by a double-thymidine ... fate of hCDC6p during the HeLa cycle (Eur. J. Biochem. 269) 1041 Synthesis and turn-over of the replicative Cdc6 proteinduring the HeLa cell cycleEsther Biermann, Martina Baack, Sandra Kreitz and ... extraction of DNA. E xtracted DNA wasanalysed by PAGE and ethidium bromide st aining.Preparation and use of antibodiesA cDNA sequence encoding a 30-kDa-fragment (amino-acid residues 278–561) of hCdc6p...
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electrochemical performance of - fe2o3 nanorods as anode material for lithium - ion cells
... charge/discharge profiles of the commercial Fe2O3powder and Fe2O3nanorod electrodes with 20%, 30%, and 40% conductive carbon content.(b) The electrochemical cycling performance of microcrystalline ... cells with different weight ratios of conductive car-bon (20%, 30% and 40%). The electrochemical performances of theelectrodes are shown in Fig. 6. The capacity of the microcr ys-talline Fe2O3electrode ... charge capacities of thenanorods are remarkably improved. The first charge capacity of thecommercial and the 20%, 30%, and 40% carbon containing nanorodelectrodes were 603, 881, 920 and 955 mAh/g,...
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hydrothermal synthesis and crystal structure of a novel one - dimensional tritungstate
... optical ma-wxterials and ceramics 1–4 . A promising synthetic routetakes advantage of a low-temperature soft approach, hy-drothermal method, and the structure-directing function of organoamines. ... 379–382www.elsevier.nlrlocaterinocheHydrothermal synthesis and crystal structure of a novel one-dimensionalž/wxtritungstate: C H N W O2102 310Bangbo Yan, Yan Xu), Ngoh K. Goh, Lian S. ChiaDiÕision of Chemistry, School of Science, ... summa-3rized in a footnote1.Ž.wxThe structure of C H N W O 1 consists of infi-2102 310nite puckered chains of W O4yseparated by interstrand6202qŽ2q.ethylenediammonium ions, C H N...
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hydrothermal synthesis and structural characterization of fe2o3sno2 nanoparticles
... prepared by thermal decomposition at 873 K, in the presence of a fewpercent of (SO4)22. Figs. 11 and 12 show the particlemorphology and stoichiometry determined by SEM and EDX examinations of ... with coordinates of ð 0; 0; zÞ occupy 2/3 of theoctahedral holes in successive oxygen layers, and 1/3 of the octahedral holes with coordinates of ð0; 0; 0Þ areempty. In the case of our samples, ... degree of order given by the mentioned approach is far from perfect and that themicrostructural defects are highly sensitive to tin content and preparative methods.In this paper we report the synthesis...
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sol–gel synthesis and morphological control of nanocrystalline tio2 via urea treatment
... morphology and consists mainly of the anatase and mi-nor amount of rutile and brookite. It is also demonstrated thatmicrostructure and phase content of the nanocrystalline TiO2can be tailor-made by ... ratio).The straight and parallel stripes (referred to Figs. 4b and 4c)onthe surface of the rods and hollow tubes may result from theaggregates of the smaller and finer nanorods of ∼10 nm in di-ameter ... template-assisted sol–gel synthesis of ceramic powders. The anionic sur-factants appear to have altered the reaction kinetics of hydroly-sis and condensation of Ti precursors.On the other hand, at higher...
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synthesis and optical properties of colloidal tungsten oxide nanorods
... nanorods of cobalt oxides, and we are currently investigating the generality of our method for thepreparation of soluble 1-D nanostructured metal oxides.Acknowledgment. This work was supported by ... was supported by the NRLProgram of the Korean Ministry of Science & Technology and by the KOSEF (Project No. 1999-1-122-001-5). We thank the staffs of KBSI and KAIST for TEM analyses. We also ... nm), and the intensity of this peak increases relative to that of UV emissionas the length of nanorods increases. A similar PL pattern with twoemission maxima, yet at much lower energies of 2.8...
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Báo cáo khoa học: Synthesis and structural characterization of a mimetic membrane-anchored prion protein doc
... because of the specific and quantitative reactivity of thiols towards it [54].Following the method of Ferris [55], the inexpensive and widely available diethyl bis(hydroxymethyl)malonate 1 and 48% ... followed by dialysis and subsequent removal of precipitated proteinwas typically 80% of the reduced protein obtained. Thisgave an overall yield of PrP-React of 12–20 mg per litre of culture.M. ... techniqueto generate liposomes of defined size. Methods Enzymol367, 3–14.65 Byler DM & Susi H (1986) Examination of the second-ary structure of proteins by deconvolved FTIR spectra.Biopolymers...
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Báo cáo khoa học: Total chemical synthesis and NMR characterization of the glycopeptide tx5a, a heavily post-translationally modified conotoxin, reveals that the glycan structure is a-D-Gal-(1fi3)-a-D-GalNAc pot
... chains of residues Thr10 and Ala12 and the carbohy-drate moieties of GalNAc (GN) and Gal (G). The individual aminoacids Thr10, A la12 are represented by 10T and 12A, respectively, whil eGNH1 and ... even inthe synthesis of nondisulfide bridge-containing glycopep-tides the yield is dramatically affected by the scale of thereaction, the excess of amino acids used, and the level of purity desired. ... modifications. This synthesis in and of itself is a significant achievement in lieu of the complexity and number of post-translationally modified amino acidsincluded. However, our synthetic efforts and subsequentenzymatic...
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Báo cáo " Synthesis and thermoelectric properties of La(Fe1-xSix)13 compounds (x = 0.12, 0.14 and 0.15) " pptx
... crystal structure and thermoelectric properties of La(Fe1-xSix)13 compounds were investigated by means of X-ray powder diffraction and electrical resistivity, thermopower and thermal conductivity ... (K) TC VNU Journal of Science, Mathematics - Physics 25 (2009) 193-197 193 Synthesis and thermoelectric properties of La(Fe1-xSix)13 compounds (x = 0.12, 0.14 and 0.15) Do Thi Kim ... Makio Kurisu2 1)Faculty of Physics, College of Science, VNU, 334 Nguyen Trai, Thanh Xuan, Ha Noi 2)Japan Advanced Institute of Science and Technology, School of Materials Science, Nomi,...
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SUPERVISORY, INSTRUCTIONAL SKILLS AND PROFESSIONAL PERFORMANCE OF TEACHERS IN VOCATIONAL COLLEGES IN NGHE AN PROVINCE: BASIS FOR DEVELOPING AN ENHANCEMENT PROGRAM
... skills of principals is not a great determinant of the level of supervisory skills of teachers and the performance of pupils is not greatly attributed to the level of the supervisory skills of ... Skills of Teachers as to Assessment Skills 79 10 Table 10. The Professional Performance of Teachers of Nghe An Vocational College of Trade and Tourism 82 11 Table 11. The Professional Performance ... characteristics of learning and teaching, supervision can serve as a training approach and support service for teachers by means of systematic cycles of planning, observation, and intensive analysis of...
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properties and sensor performance of zinc oxide thin films
... XRD parameters and calculated strains of Al doped ZnO films 67 4.4 Average roughness (Ra, nm) of ZnO films on micro arrays by AFM 70 4.5 Atomic ratios of Zn, O and Al in ZnO films by WDS observation ... 3Properties and Sensor Performance of Zinc Oxide Thin Films by Yongki Min Submitted to the Department of Materials Science and Engineering on August 21, 2003 in Partial Fulfillment of the ... sensitivities to LPG and C2H2 than to H2 and CO, and nano-ZnO with Fe and Ag additives showed high sensitivity and excellent selectivity to H2 against C2H2, CO and LPG, and the response...
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- and within each tooth category by the morphs into which these teeth appear to fall note that there are occasional duplications of specimen numbers we recognize three major dental morphs one ofthese morph 1 does indeed represent the extant orangutan pong
- synthesis and electrochemical preformances
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