... working solutions of Mn(II) are series of 0, 5, 10, , 100 % of ethanol in 3.10-2 MnSO4 solution Similarly, working solutions of Mn(VII) include series of 0, 5, 10, , 100 % of ethanol in 2.10-2 ... solution The procedure of MnO2 nanoparticles formation was followed: slowly add series of KMnO4 solutions one by one into the series of MnSO4 solutions The dropped rate of mixed reagent was 2.5 ... dried denaturated laterite with size of 0.5 – 1.0 mm diameter and dropped into colloidal solution of MnO2 Then softly shook the mixture in 60 When almost of MnO2 particles adsorbed on the laterite...
Ngày tải lên: 14/03/2014, 10:20
... spectra of the MPQDs The Effect of the Amount of NH4OH Figure showed the effect of the amount of NH4OH on the photoluminescence spectra of the MPQDs It was found 123 Figure showed the plots of the ... effects of the parameters for the silica coating on the surface of Fe3O4, such as the ratio of water to surfactant (R), the amount of NH4OH, and the amount of TEOS, on the PL properties of MPQDs ... thickness was achieved when R was 1:8 The Effect of the Amount of TEOS Figure showed the effect of the amount of TEOS on the photoluminescence spectra of the MPQDs It was found that the PL intensity...
Ngày tải lên: 21/06/2014, 20:20
Báo cáo y học: " Preparation of RGD-modified Long Circulating Liposome Loading Matrine, and its in vitro Anti-cancer Effects"
... successful coupling of the RGD to the surface of the liposomes Assay of particle sizes and morphological observation of RGD-M-LCL The average size of liposomes processed by the microfluidizer was ... of RGD-M-LCL and measurement of its particle size RGD-M-LCL was freeze-dried by a cryoprotectant of sugar in a sugar-lipid quality ratio of 2.0 (22), then was redissolved with DMEM The size of ... induction of apoptosis in cancer cells compared to free matrine, supporting the further development of this novel delivery system for cancer therapy Materials and Methods Preparation of RGD-modified...
Ngày tải lên: 26/10/2012, 08:57
Tài liệu Experiment 17 Preparation of Methyl Orange ppt
... excess of a reagent that could decompose or cause decomposition and produce tar to contaminate our dye, you need to weigh the quantities of solid reagent very carefully to the accuracy of 0.05 ... calculate for yourself some of the amounts of needed reagents After you have calculated them, confirm your results with the instructor before proceeding Dissolve 0.010 mole of sulfanilic acid (anhydride) ... Dissolve 0.010 mole of sulfanilic acid (anhydride) in about 50 ml of a solution of sodium carbonate containing 0.010 to 0.0125 moles of sodium carbonate in a 125 ml Erlenmeyer flask The solution...
Ngày tải lên: 12/12/2013, 21:16
Tài liệu EXPERIENCE OF THE INSTITUTE OF ENERGY IN THE PREPARATION OF THE RENEWABLE MASTER PLAN docx
... has been prepared by Institute of Energy Institute of Energy Main Contents of RE Master Plan and Some Preliminary results 2.1 Organization of RE MP Present status of RE development 1.1 Existing ... 10 million tons of oil) Types of biomass can be exploited at the industrial scale: rice husks; leaves, top of sugar canes & baggage; coffee husks and wood residues Institute of Energy Biogas ... assessment on potential RE resources, cost, and benefits of environment Lack of manpower Institute of Energy THANK YOU FOR YOUR ATTENTION! Institute of Energy ...
Ngày tải lên: 24/01/2014, 03:20
Preparation of dairy products potx
... top of the milk and form a layer of cream Buffalo milk also forms some cream on top, but other kinds of milk, such as that of sheep and goats, hardly form a layer of fat at all For these types of ... making cheese The quality of milk used to make cheese Coagulation of the milk Separating curd and whey The use of cheese whey Collection and preservation of the curd Maturation of the cheese Cheese ... 5.5 Starter cultures The development of lactic acid bacteria Cultivation of starter cultures of lactic acid bacteria Growth of starter cultures Maintenance of starter cultures Preparing your own...
Ngày tải lên: 08/03/2014, 22:20
Mechanical preparation of root canals: shaping goals, techniques and means potx
... 2001 Yared et al 2001b 2002 2002 2002 Yared et al Yared et al Li et al Peters & Barbakow (305) (326) (325) (324) ProFile 0.04 GT Rotary ProFile 0.06 Number of rotations, ProFile 0.04 torque, force, ... Non-Instrumental Technique of Lussi demonstrating insufficient cleaning ability with lots of remaining debris and tissue (courtesy of Prof T Attin, ¨ Gottingen and Prof A Lussi, Bern) Preparation of oval root ... canal preparation include manual preparation, automated root canal preparation, sonic and ultrasonic preparation, use of laser systems, and NITs Ingle (21) described the first formal root canal preparation...
Ngày tải lên: 09/03/2014, 00:20
Characteristics of siox nanowires synthesized via the thermal heating of cu coated si substrates
... general morphology and dimension of SiOx nanowires Figs 2a and b show the TEM images of the product, indicating that this raw material indeed consists of aggregates of nanowires Although most nanowires ... morphology of SiOx nanowires (Arrow 1: helical nanowires or nanosprings; Arrow 2: nanoparticles) The lower right inset of (a) is the SAED pattern of SiOx nanowires (c) HRTEM image of a single ... ends of the wires As shown in the inset of Fig 2a, the highly dispersed selected area electron diffraction (SAED) pattern indicates that the nanowires are amorphous Fig 2c shows a HRTEM image of...
Ngày tải lên: 16/03/2014, 15:14
preparation of aqueous sols of tungsten oxide dihydrate
... properties of the acidification products This paper aims at reporting the ion-exchange based preparation of WO3Á2H2O sols from Na2WO4 Formation and characterization of the sols as well as the effects of ... crystallite Fig Mean and range of particle sizes of the WO3Á2H2O sol as a function of time of storage (measured on LPA) 68 Y.-G Choi et al / Sensors and Actuators B 87 (2002) 63–72 size evaluated ... Fig Changes of XRD patterns of the gels with the repetition of the washing and centrifugal treatment Y.-G Choi et al / Sensors and Actuators B 87 (2002) 63–72 69 Fig XRD patterns of the gel centrifuged...
Ngày tải lên: 20/03/2014, 13:06
preparation of fe2o3 submicro - flowers by a hydrothermal approach
... L113B as a soft template [17] Wan et al have proposed a soft-template-assisted hydrothermal route to prepare single crystal nanorods with an average diameter of 25 nm and length of 200 nm at ... images of the as-prepared sample at different magnifications Fig 2(a) is a low-magnification view of the product, showing that the sample is composed of uniform spheres with an average diameter of ... that of micrometric sample It is well known that a large surface area is important for the improvement of reaction performance, considering the introduction of lithium ions into the holes of the...
Ngày tải lên: 20/03/2014, 13:06
preparation of hexagonal wo3 from hexagonal ammonium tungsten bronze for sensing nh3
... DSC instrument To check the reproducibility of this preparation route, several batches of h-WO3 were prepared, and it was found that the characteristics of different h-WO3 batches did not differ ... of HATB Fig XRD pattern of h-WO3 Fig Raman spectra of (a) HATB; (b) h-WO3 ´gyi et al / Materials Research Bulletin 44 (2009) 505–508 I.M Szila 507 Fig In situ high temperature XRD patterns of ... related to a small amount of reduced W atoms The peak at 184 cmÀ1 was a lattice mode of h-WO3 In contrast with the h-WO3 sample, the precursor HATB contained a significant amount of reduced W atoms (see...
Ngày tải lên: 20/03/2014, 13:06
preparation of tio2 nanowire gas nanosensor by afm anode oxidation
... a, and a decreases with the increase of the resistance The time dependence of the resistance can be expressed by the formula as Fig Scheme of the fabrication of TiO2 nanowire DR ¼ rs d  L L À ... surface, since a thin adsorbed water film exists on surface of the sample As shown in Fig 2, the sample is covered with a thin layer of water under the moist atmosphere When the AFM tip moves ... sample : M þ nH2 O ! MOn þ 2nHþ þ 2neÀ To validate our proposal, the AFM observations of the fabrication of a 70-nm wide TiO2 wire are shown in Figs 3(a)–(e) in sequence, during which the bias...
Ngày tải lên: 20/03/2014, 13:06
preparation of wo3 nanoparticles and application to no2 sensor
... with a pair of interdigitated Pt electrodes with a gap length of 0.035 mm These sensors were annealed at 350 8C for 30 in air before the evaluation In the measurement of Fig XRD patterns of WO3 nanoparticles ... pressure of kPa It was about 250 nm at a high oxygen pressure of 10 kPa At a fixed pressure of kPa, the particle size increased with increasing annealing temperature (Fig 3(d)–(f)) The average size of ... size of 36 nm deposited at kPa and annealed at 400 8C and that for the sensor made of large particles with an average particle size of Please cite this article in press as: D Meng, et al., Preparation...
Ngày tải lên: 20/03/2014, 13:06
PROMOTING INNOVATION 2002 Assessment of the Partnership for Advancing Technology in Housing pdf
... president of the National Academy of Sciences The National Academy of Engineering was established in 1964, under the charter of the National Academy of Sciences, as a parallel organization of outstanding ... achievements of engineers Dr Wm A Wulf is president of the National Academy of Engineering The Institute of Medicine was established in 1970 by the National Academy of Sciences to secure the services of ... the rate of innovation in the housing industry PATH’s goals are discussed in terms of general theories of the development and diffusion of innovation and of the committee’s perception of barriers...
Ngày tải lên: 22/03/2014, 10:20
Characterization of Spin Coated Polymers in Nano-environments as a Function of Film Thickness pot
... 3-D AFM image of a clean silicon wafer 49 Figure 5.4-3: AFM image of 40t sample after 10 hours of toluene wash 50 Figure 5.4-4: AFM image of 100t sample after 10 hours of toluene wash ... provides a crucial link of the glass transition temperature as a measure of the cooperativity of the polymer Of course, a measured Tg represents some ensemble average of "surface" and "bulk" ... and the type of polymer used Because of the dependable nature of the method and the ease of use, spin coating is frequently used to create polymer thin films Figure 2.3-1: Stages of spin coating...
Ngày tải lên: 23/03/2014, 01:20
Street Smart - Intelligence Preparation of the Battlefield for Urban Operations pot
... consideration of all of their many potential effects Some of these implications include the following: • The presence of civilians affects movement and maneuver • The presence of soldiers among ... relevant features of the operational area to shape the environment and choose the appropriate course of action for successful completion of his unit’s mission Intelligence Preparation of the Battlefield: ... Procedures for Joint Intelligence Preparation of FM 34-130/MCRP 2-12A, Intelligence Preparation of the Battlefield (Coordinating Draft), Washington, D.C.: Department of the Army, 1999 16 Street...
Ngày tải lên: 29/03/2014, 15:20
decusatis, c. (2002). handbook of fiber optic data communication (2nd ed.)
... invented the first one of anything, and that the history of science is filled with tales of misplaced credit) There are also new predictions of the future, as envisioned by some of the leading commercial ... Introduction Technical Description of Fiber Optic Transceivers The Optical Interface Noise Testing of Transceivers Packaging of Transceivers(TRX) Series Production of Transceivers Transceivers Today ... the code at the bottom of the first page of a chapter in this book indicates the Publisher’s consent that copies of the chapter may be made for personal or internal use of specific clients The...
Ngày tải lên: 18/04/2014, 10:57
jack, k. (2002). dictionary of video and television technology
... a graph of the peak-to-peak amplitude of its response (e.g., of the variations in reflected light) as a function of the TV line number Assume that a pattern of black-and-white lines of varying ... team of the league black-out A temporary loss of sensitivity of any electronic device following the passage of an intense transient signal black-out point Cut-off black peak A peak excursion of ... To cut off the electron beam of a CRT blanked picture signal The signal resulting from blanking a TV picture signal blanking Suppression Process of the cutting off of the electron beam of a TV...
Ngày tải lên: 18/04/2014, 12:29
large scale preparation of nanoporous tio2
... area of the electrodes under illumination was 1.5 cm2 Concentration of RhB was measured by spectrometer at the wavelength of 554 nm Results and discussion Figure shows the surface morphologies of ... to the band gap of Tan et al Nanoscale Research Letters 2014, 9:190 http://www.nanoscalereslett.com/content/9/1/190 Page of Figure XRD pattern of NP-TiO2 (A) and the DRS spectra of various films ... performance of the NP-TiO2 film was further tested by photoelectrocatalytic degradation of RhB solutions The decolorization of RhB by photolysis is low, only 5.2% reduction observed after h of irradiation...
Ngày tải lên: 06/05/2014, 08:55
preparation of zns spherical nanoparticles
... samples using ZnCl2 as of the zinc source The SEM images of the synthesized products and Na2S, thioacetamide and thiourea as using ZnCl2 as source of Zn and Na2S as of of the sulfur sources, ... is proved that the as of the sulfur source and ZnCl2, Zn(Ac)2 and prevention of aggregation of nanoparticles in Zn(NO3)2 as of the zinc sources, respectively the presence of the surfactant is ... experiments, a solution of The properties and applications of nano mmol ZnCl2 in 20 mL deionized distilled water structured semiconductors are strongly was added to a solution of mmol of sulfur dependant...
Ngày tải lên: 06/05/2014, 09:02