... mL of water and 52 mL of BuOH The actual volume of water removed was 184 mL and of BuOH was 50 mL Thus, the extent of the reaction was more than 96% Transmission electron microscope images of ... nanocomposite formation—synthesis and agglomeration-prevention of nanoparticles, and ensuring nanodispersion within the polymer This work is of significance to the preparation of polymer nanocomposites ... approach, because the in situ synthesis of the nanoparticle (TiO2) coincides with the in situ polymerization, resulting in the formation of a well-dispersed polymer nanocomposite To our knowledge,...
Ngày tải lên: 22/06/2014, 01:20
... radiation (l = 365 nm) for h, the replica mold was peeled off, providing a surface nanopillar-patterned NOA63 polymer layer formed on a PET film (Figure Page of 1b) For the generation of surface hydroxyl ... mixed solution of ammonium hydroxide and hydrogen peroxide for the generation of hydroxyl groups on NOA63 polymer surfaces and compared the effectiveness of this method with that of previously ... Fabrication of three-dimensional microstructures by soft molding Appl Phys Lett 2001, 79:2285 10 Narasimhan J, Papautsky I: Polymer embossing tools for rapid prototyping of plastic microfluidic...
Ngày tải lên: 20/06/2014, 23:20
Báo cáo hóa học: " Electrospray deposition of polymer thin films for organic light-emitting diodes" pot
... lower current density than that of spin-coated ones The PL peak shift and reduced current of electrosprayed films can therefore be attributed to the conformation of the polymer Keywords: organic light-emitting ... or a mixture of CB and 1,2-DCB Two different types of inks were formulated as shown in Table PLED devices were fabricated with a ratio of PVK/PBD/TPD/Ir(mppy)3 = 61:24:9:6 (ink 1) for both the ... 80°C for 30 A schematic diagram of the experimental setup for the electrospray process is shown in Figure For the electrospray process, the blend ink was injected through the nozzle at a rate of...
Ngày tải lên: 20/06/2014, 23:20
Báo cáo hóa học: " Intermatrix synthesis: easy technique permitting preparation of polymer-stabilized nanoparticles with desired composition and structure" ppt
... CuS-NPs on the surface of supporting polymer results in the formation of a sort of nanoplates typical for CuS [32] However, as it can be seen in Figure 3d, e, dissolution of CuS- and PbS-PSNP-containing ... the charge of the same sign as that of the functional groups of the polymer (e.g S 2- ) is used instead of a ionic reducing reagent (BH4-) As it is seen in Figure 2, the distribution of PbS-NPs ... driving force responsible for the surface distribution of INPs (see EDS in Figure 2) The necessary condition in this case is the coincidence of the charge sign of ionic reagent with that of the...
Ngày tải lên: 21/06/2014, 04:20
Evaluation and Preparation of the Infertile Couple for In Vitro Fertilization pptx
... programs screen for HIV and hepatitis for safety of personnel It would also be tragic to expend the amount of effort required to achieve an IVF pregnancy only to have the offspring at risk for a potentially ... excision of small (mean 16 mm) polyps, underlining the importance of a thorough evaluation of the uterine cavity (35) Generally, a uterine septum should be incised before going on to IVF because of ... strongly recommend that all women stop smoking before having IVF A study of caffeine use found that intake of mg (equivalent to one cup of decaf coffee) or less was associated with the highest...
Ngày tải lên: 05/08/2014, 16:20
Báo cáo khoa học: "Use of dried blood samples for monitoring hepatitis B virus infection" ppsx
... efficiency of the method for collection and long term storage for field samples [3,16-19] The use of DBS for monitoring of HIV-1 infection has shown that this sampling method is useful not only for ... test The CI 95% for the gold standard in plasma was (3.1-7.83), for DBS at: -20 Figure of Stability the dried blood samples Stability of the dried blood samples PCR amplifications of HBV DNA from ... spite of the urgent need for an affordable and easy sampling method for viral load testing and monitoring of chronic HBV infection, there is only one report on the role of DBS in evaluation of patients...
Ngày tải lên: 12/08/2014, 04:20
Synthesis and characterizations of polymer electrolyte membranes based on aliphatic ionomers
... after 1h of polymerization (■), after 6h of polymerization (▲) 80 Figure 4.7 UV-Vis spectra of TFPM monomer in DMF before polymerization (□), after 6h of polymerization (■), after 6h of polymerization ... UV-Vis spectra of AN monomer in DMF before polymerization (□), after 1h of polymerization (■), after 6h of polymerization (▲) 79 Figure 4.6 UV-Vis spectra of GMA monomer in DMF before polymerization ... of (SPM-GMA-TFPM) monomer mixture in DMF before polymerization (□), after 1h of polymerization (■), after 6h of polymerization (▲) 81 Figure 4.9 UV-Vis spectra (at the λmax of AN) of...
Ngày tải lên: 10/09/2015, 15:49
Polymer electrolyte membranes for direct methanol fuel cells
... and Scope of Thesis 1.3 Organization of This Thesis CHAPTER LETERATURE REVIEW 2.1 Fuel Cell 2.2 The Development of Polymer Electrolyte Membranes 15 2.3 Performance Indicators for Polymer Electrolyte ... POLYMER ELECTROLYTE MEMBRANES FOR DIRECT METHANOL FUEL CELLS PEI HAIQIN (M.SCI., Tianjin University) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL ... main reason for the performance of DMFCs being considerably lower than that of hydrogen polymer electrolyte fuel cells In principles methanol crossover may be reduced in a number of ways (Larminie...
Ngày tải lên: 14/09/2015, 13:50
Fabrication of membrane electrode assembly for polymer electrolyte membrane fuel cell
... Chapter Polymer Electrolyte Membrane Fuel Cell (PEMFC) 2.1 Introduction Polymer Electrolyte Membrane Fuel Cell is also known as Polymer Electrolyte Fuel Cell (PEFC) or Solid Polymer Electrolyte ... The PTFE backbone of the polymer electrolyte also provides the mechanical strength for the polymer electrolyte to be made into very thin membranes The most well known polymer electrolyte membrane ... name, Polymer Electrolyte Membrane Fuel Cell utilized a thin ion conducting polymer membrane as electrolyte The solid polymer membrane has fewer electrolyte management problems compare to liquid electrolyte...
Ngày tải lên: 06/10/2015, 20:42
Preparing Samples for Sequencing of mRNA
... thermal cycler for 2.5 hours Follow the instructions in the QIAquick PCR Purification Kit to purify the sample and elute in 50 μl of EB Preparing Samples for Sequencing of mRNA 12 Perform End Repair ... contents of this guide must be fully read and understood prior to operating the system or any of the parts thereof FAILURE TO COMPLETELY READ AND FULLY UNDERSTAND AND FOLLOW ALL OF THE CONTENTS OF ... 1004815 Preparing Samples for Sequencing of mRNA User-Supplied Consumables and Equipment Check to ensure that you have all of the necessary user-supplied consumables and equipment before proceeding...
Ngày tải lên: 13/03/2014, 19:11
314 CMR 9.00: 401 WATER QUALITY CERTIFICATION FOR DISCHARGE OF DREDGED OR FILL MATERIAL, DREDGING, AND DREDGED MATERIAL DISPOSAL IN WATERS OF THE UNITED STATES WITHIN THE COMMONWEALTH potx
... analysis of records of the local Board of Health, Fire Department, and/or Department of Public Works, the Department’s Bureau of Waste Site Cleanup, knowledge of historic land uses, information ... present The chemical analyses of sediment, included as part of an application for dredging, shall have been performed within three years of the date of submission of the application At the Department’s ... Department of Environmental Protection, postmarked within 21 days of the date of the certification (3) Contents of Claim Any notice of claim for an adjudicatory hearing must include the following information:...
Ngày tải lên: 15/03/2014, 16:20
preparation of hexagonal wo3 from hexagonal ammonium tungsten bronze for sensing nh3
... Acknowledgments Fig Sensitivity of h-WO3 to various levels of NH3 at 300 8C of the test, respectively This means the sensor performance is reversible and recoverable, which is important for its application ... and G Tarkanyi (Institute of Structural Chemistry, Chemical Research Center of the Hungarian Academy of Sciences, Budapest, Hungary) are acknowledged for their help in performing the SEM, Raman, ... batches of h-WO3 could be obtained ´ A.L Toth (Research Institute for Technical Physics and Materials Science, Hungarian Academy of Sciences, Budapest, ´ Hungary), A Szabo (Department of Organic...
Ngày tải lên: 20/03/2014, 13:06
Street Smart - Intelligence Preparation of the Battlefield for Urban Operations pot
... Critical Information Requirements COA Course of Action COG Center of Gravity EEFI Essential Elements of Friendly Information FFIR Friendly Force Information Requirements FM Field Manual FMSO Foreign ... Lang of Fort Huachuca’s intelligence doctrine division kept us informed of changes to existing doctrine and formulations of emerging viewpoints Mike also tirelessly provided answers to a myriad of ... on force-on-force operations against a known enemy on sparsely populated terrain Threat and terrain analyses were therefore matters of relatively straightforward mapping of threat doctrinal formation...
Ngày tải lên: 29/03/2014, 15:20
Preparation and characterization of bimodal magnetofluorescent nanoprobes for biomedical application
... previously published literature Briefly, 127 mg of tellurium powder was reacted with 80 mg of sodium borohydride (NaBH4 ) in mL of deionized water for preparation of sodium hydrogen telluride (NaHTe) solution ... and 0.5 mL of the resulting Fe3 O4 /CTAB aqueous solution were diluted with 10 mL of water Then 0.3 mL of NH4 OH aqueous solution, 0.03 mL of tetraethylorthosilicate (TEOS), and 0.5 mL of ethyl ... mL of ethanol After that, 0.05 mL of APS was added to 10 mL of Fe3 O4 /SiO2 ethanol solution for aminofunctionalization The solution was gently stirred at 60∘C for 12 h Finally, centrifugation...
Ngày tải lên: 14/05/2014, 15:49
team for the preparation of the human development report 2007 - 2008
... Council of the European Union 2007; Government of Australia 2007; Government of California 2005; Government of Canada 2007; Government of France 2007; Government of Germany 2007; Government of Norway ... violation of human rights on the other The starting point for avoiding dangerous climate change is recognition of three distinctive features of the problem The first feature is the combined force of ... strategy for containment of the risks Shared recognition of the reality of mutually assured destruction offered a perversely predictable stability With climate change, by contrast, doing nothing offers...
Ngày tải lên: 27/05/2014, 07:46
báo cáo hóa học:" Biomechanical testing of a polymer-based biomaterial for the restoration of spinal stability after nucleotomy" pptx
... model of disc degeneration, intradiscal implantation of cell-free PGA/HA nucleusimplant facilitates the formation of superior nucleus pulposus repair tissue and the reduction of the loss of disc ... spines without destruction of the ligaments, capsules and soft tissue Soft tissue was only removed from the upper half of the cranial vertebral body and the lower half of the caudal vertebral body ... by performing a minimal interlaminar fenestration Thus, minimal removal of bone and articular structures was achieved Nucleotomy was performed after scalpel inci- Page of (page number not for citation...
Ngày tải lên: 20/06/2014, 04:20
Báo cáo hóa học: " Rapid large-scale preparation of ZnO nanowires for photocatalytic application" docx
... cm above of the mixture solution The intensity of UV part between the wavelengths range of 320-400 nm was measured to be about mW/cm2 The experiments were performed for 60 min, and samples were ... concentration of MB was monitored by measuring the absorbance of the supernatant at 665 nm using a UNICO UV-2102 spectrometer A control test of MB Page of photodegradation in absence of ZnO nanowires ... evaluate the quality of nanomaterials Here, the size uniformity of the prepared ZnO nanowires was investigated by studying the diameter distribution of the nanowires The diameters of the prepared...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Polystyrene-Al2O3 composite solid polymer electrolyte for lithium secondary battery" doc
... 600 impedance analyzer Deconvolution of the composite bands of the Fourier transform infrared [FT-IR] spectra was accomplished by the best fits of constituent Gaussian peaks, and the fractions of ... to the dissociation of salts and transport of cations The transport of cations is done by ion-hopping through the ion percolation path made of high content of salt instead of segmental motion, ... solid polymer electrolytes Key Eng Mater 2007, 336-338:526529 Wei X, Shriver DF: Highly conductive polymer electrolytes containing rigid polymers Chem Mater 1998, 10:2307-2308 -5- Gray FM: Polymer...
Ngày tải lên: 20/06/2014, 23:20
The development and implementation of new appropriate technologies for improving goat production and increasing small-holder income in the central region of Vietnam - Milestone 9" pot
... Technologies for Improving Goat Production in Vietnam” This document is submitted as evidence of completion of Milestone as described Table of Milestones, Annex of Schedule 2, Scope of Services for CARD ... characterisation of target farms Training and Information Dissemination Provision of improved housing and health care for goats Improve the availability and quality of feeds and forages for goats Provide ... November 2008 The proceedings of this conference, workshop training manuals, evaluation of competency of staff training and a survey of farmers views of the sustainability of the technologies introduced...
Ngày tải lên: 21/06/2014, 06:20