2002 preparation of carboxyl and nhs activated surfaces

... LA/AC-Fe ratio of 0.3m/0.2m, flow rate of to 6mL/min (or space velocity of 0.98-1.47m3/m3h), pH of 7-8, and initial arsenic concentration of 0.1-0.5mg/L, to obtain a breakthrough time of more than ... or alkali treatment The BET (Brunauer, Emmett and Teller) surface area is 70.19m²/g, pore volume of 0.00062cm3/g and pore size of 126Å Preparation of AC-Fe AC from coconut shell was taken from ... flasks Each of them contained 5g of adsorbents (adsorbent dose) and - 45 - Journal of Water and Environment Technology, Vol 6, No.1, 2008 1000mL synthetic groundwater with various levels of total...

Ngày tải lên: 05/09/2013, 09:38

... voice, video and data bandwidth efficiency In TV, the ratio of picture quality to RF bandwidth bandwidth, HDTV (color set and color-difference set) See SMPTE 240 standard bandwidth on demand Say you ... above and below this band It is the opposite of a bandpass The band rejected is generally much wider than that suppressed by a trap Also called band-rejection filter, bandstop filter, and rejector ... Use one of the newer pieces of telecommunications equipment and “dial up” the bandwidth you need An example of such a piece of equipment is an inverse multiplexer Uses for bandwidth on demand include...

Ngày tải lên: 18/04/2014, 12:29

... images of 0Ti, 20Ti, and 50Ti (A) XRD patterns of 0Ti, 20Ti, and 50Ti (B-D) The corresponding TEM images of the 0Ti, 20Ti, and 50Ti (scale bars, 50 nm) The insets in C and D are HR TEM images of ... Figure DR spectra of Au3+ ion-adsorbed 20Ti and 0Ti and of 1-D GNSs (A) DR spectra of Au3+ ion-adsorbed 20Ti and 0Ti before and after UV irradiation (no heat treatment) (B) DR spectra of the 1-D GNSs ... the movement of the Au ions is shortened, and the formation of 0-D GNSs instead of 1-D GNSs becomes dominant By optimizing the heating and UV irradiation condition of our method, 1-D and 0-D GNSs...

Ngày tải lên: 20/06/2014, 21:20

... brands of soymilk and tofu samples.… 46 2.1.2.2 Preparation of soymilk – traditional method.……… ………… 46 2.1.2.3 Preparation of soymilk – UHT processing system.…………… 47 2.1.2.4 Preparation of tofu……………………………………………….51 ... Effect of different coagulants on the physical properties of tofu………… …….…120 5.2.1 Evaluation of yield, moisture and color of tofu………………………… 121 5.2.2 Evaluation of the textural properties of tofu…………………………… ... Based on the methods of subsequent processing, tofu is also classified into plain tofu, frozen tofu, 14 dried-frozen tofu, deep-fried tofu, grilled tofu and fermented tofu Their preparations involve...

Ngày tải lên: 16/09/2015, 08:31

... comparison of the performances of alternative combinations of sample sizes and designs vii LIST OF TABLES Page Table 2.1: Values of c to Achieve Given  II for Various Values of n and m 26 Table ... the problems of estimation of the mean and variance models, and the design of the data collection and experiment plans to optimize the estimation of the models The remaining parts of this chapter ... the issues of specification of the levels of the noise variables, estimation of the mean and variance models, repeated sampling properties of the estimators, and optimal allocation of resource...

Ngày tải lên: 05/10/2015, 21:29

... Experiment Preparation was carried out in air at room temperature (21 ± 1°C) and air moisture between 40% and 60% via the droplet technique using an amount of 10 μl and a concentration of 10-5 mol/l of ... this article as: Gryzia et al.: Preparation of monolayers of [MnIII6CrIII] 3+ single-molecule magnets on HOPG, mica and silicon surfaces and characterization by means of non-contact AFM Nanoscale ... approximately 30% of the surface and are mostly attached to an atomic step of HOPG At the atomic step, an agglomeration of [Mn III Cr III ](BPh ) with average height of 2.2 nm occurs The island shows...

Ngày tải lên: 21/06/2014, 01:20

... = activated carbon, ZC = activated zeolite, MAC = 2.5% (w/w) Se /activated carbon, MAC2 = 5% (w/w) Se /activated carbon and MZC = 5% (w/w) Se /activated zeolite Preparation of Selenium-Doped Activated ... formation of peroxide and hydroperoxide which are unstable, reactive Preparation of Selenium-Doped Activated Carbon 18 and easy to decompose to produce products such as a short chain FA, aldehyde and ... solutions of known concentration of Se (500 mg/l) Standards are obtained from the National Bureau of Standards, IAEA, and commercial sources 2.2 Materials Coconut fruits and 5% (v/v) vinegar were obtained...

Ngày tải lên: 07/08/2014, 14:20

... 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 ... RGD-LCL of 0.625 mg/mL), (D) matrine (0.0625 mg/mL), (E) RGD-LCL (1.25 mg/mL), and (F) RGD-M-LCL (equivalent to matrine of 0.0625 mg/mL and RGD-LCL of 1.25 mg/mL) Figure Representative results of ... min, and subsequently back to 10% B over (19) The detection wavelength was 214nm, the flow rate was 1mL/min, and the injection volume was 20μL Lyophilization of RGD-M-LCL and measurement of its...

Ngày tải lên: 26/10/2012, 08:57

... bottles Each bottle was supplemented with 200 mg of KH2PO4, 14 mg of MgCl2•4H2O, mg of Na2MoO4•4H2O, mg of CaCl2•2H2O, 2.5 mg of MnCl2•6H2O, and 10 mg of FeCl2•4H2O, which was modified from Lay et ... wastes (Ministry of environment, 2002) Food waste is the major source of decay, odor, and leachate in collection and transportation due to the high volatile solids (VS; 80~90%) and moisture content ... waste and sewage sludge were used for fermentative production of hydrogen Effects of VS concentrations and mixing ratio of two substrates were investigated by serum bottle tests MATERIALS AND METHODS...

Ngày tải lên: 05/09/2013, 08:40

... GSTlofMPK6 However, when lofMPK3 and lofMPK6 proteins were tested for phosphorylation with OXI1, no phosphorylation of lofMPK3 or lofMPK6 was observed (Fig 5A) On the other hand, when OXI1K45R or ... 1130 < GST-MPK6 Fig MPK3 and MPK6 phosphorylate OXI1 and PTI1-4 (A) Recombinant kinase-inactive GST-lofMPK3 and GST-lofMPK6 were mixed with HIS-OXI1 in kinase buffer and [c-32P]-ATP (B) Recombinant ... GST-MPK3 and GST-MPK6 or recombinant kinase-inactive GST-lofMPK3 and GST-lof MPK6 were mixed with either HIS-OXI1K45R (OXI1K45R) or HIS-PTI1-4 (PTI) in kinase buffer and [c-32P]-ATP For (A) and (B)...

Ngày tải lên: 14/02/2014, 19:20

Ngày tải lên: 07/03/2014, 02:20

... P2Y11 and P2Y13 and for the P2X4 receptor, whereas expression of the P2Y1, P2Y4, P2Y12, P2X3 and P2X7 receptors could not be detected (Fig 2) Inhibition of growth and cell cycle progression of LXF-289 ... potency of ATP and ADP in the inhibition of LXF-289 cell proliferation Cell cycle analysis revealed that inhibition of proliferation of LXF-289 cells by ATP and ADP was mediated by retardation of ... addition of 100 lm ATP enhanced the antiproliferative potency of cisplatin 3-fold, of etoposide 2-fold and of paclitaxel 2.5-fold, with resulting IC50 values of 4.7 ± 0.8 lm, 9.3 ± 2.3 lm and 6.8...

Ngày tải lên: 07/03/2014, 12:20

... Noise and vibrations of the handpiece or motor Ergonomy and mobility of the device Costs Over/under -preparation Instruments Fins and recesses Motor or handpiece Increase in canal area Life-span of ... 350 r.p.m electric vs airdriven handpiece Method torque ProFile 0.06 Ni–Ti Pow-R 0.04 ProFile 0.04 ProFile 0.04 and 0.06 ProFile 0.04 and 0.06 ProFile 0.04 ProFile 0.04 Ni–Ti system operators ... 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...

Ngày tải lên: 09/03/2014, 00:20

... solutions of MnSO4 and KMnO4 Therefore, 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, ... Process for the preparation of nanodimentional particles of oxides and sulphides of metals, US Patent 5643508, 1997 [4] S Koktysh Dmitry, R McBride James, J Rosenthal Sandra, Synthesis of SnS nanocrystal ... suitable amount of 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...

Ngày tải lên: 14/03/2014, 10:20

... (a) 2% of C2 H6 O and (b) 0.8 ppm of O3 A Labidi et al / Sensors and Actuators B 120 (2006) 338–345 343 Table Modeled RC for WO3 bare, Au/WO3 and Pd/WO3 based sensors towards 2% of C2 H6 O and ... oxide grains, so we have analyzed the activated layers by SEM Fig 2a and b presents micrographs of Au/WO3 and Pd/WO3 surfaces, respectively The mean diameter of gold particles is nm, the population ... Comparison of typical transient DC responses to gas pulse at 300 ◦ C (a) Fig 2% of C2 H6 O and (b) 0.8 ppm of O3 (6) (7) The electrons produced by this reaction are injected into the conduction band of...

Ngày tải lên: 19/03/2014, 16:48

... 400, 525, and 700 K for H2 S, NO2 , and CO, respectively Importantly, the sensor did Fig Conductance response of an as-deposited Au -activated WO3 sensor upon CO (50 and 100 ppm) and NO2 (5 and 10 ... to tetragonal (t) and monoclinic (m) phases of WO3 and of the substrate (Al2 O3 ) can be seen Clearly the WO3 films consist of a mixture of tetragonal and monoclinic phases It should be noted, though, ... sublimation of the metallic dopant Doping was manifest as a color induced in the film, which made the visual impression different from that of the unactivated WO3 nanoparticle films Both unactivated and activated...

Ngày tải lên: 19/03/2014, 16:48

... 3, and 10 kPa and annealed at 600 8C (b) WO3 nanoparticles deposited at kPa and annealed at 400 and 600 8C results for the sensors made of WO3 nanoparticles deposited at 1, 3, and 10 kPa and ... FE-SEM images of WO3 nanoparticles deposited at 1, 3, and 10 kPa, respectively, and annealed at 600 8C (d)–(f) FE-SEM images of WO3 nanoparticles deposited at kPa and annealed at 400, 600, and 800 ... 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

... Number 55 Management of companies and enterprises 551 Management of companies and enterprises Management of companies and enterprises Management of companies and enterprises Offices of other holding ... Transportation and Warehousing Information Finance and Insurance Real Estate and Rental and Leasing Professional, Scientific, and Technical Services Management of Companies and Enterprises Administrative and ... forms The range of industries covered in the economic census expanded between 1967 and 2002 The census of construction industries began on a regular basis in 1967, and the scope of service industries,...

Ngày tải lên: 23/03/2014, 23:21

... cost The size of PLDs is, on the other hand, smaller than that of FPGAs Current PLDs offer complexity equivalent to hundreds of thousands of gates and speed of the order of hundreds of MHz 2.3 Field ... level control and/ or protection circuitry with power handling capability of supplying A and withstanding at least 100 V With the current 22 Neural and Fuzzy Logic Control of Drives and Power Systems ... features of control strategies, EDA, neural networks, fuzzy logic, electric machines and drives, power systems and VHDL and forms a basic guide for the understanding of the fundamental principles of...

Ngày tải lên: 18/04/2014, 12:29

... Results and discussion Analysis of TEM images shown in Figs 1(a) and 1(d) show average QD diameters of ~4.0 nm with a standard deviation of 7% and average QR diameters of ~4.0 nm and lengths of ~10.0 ... primary steps, preparation of selenium precursor, preparation of cadmium precursor, and injection and growth To prepare the selenium precursor, a mixture of 0.1262g selenium (Se) and ml tri-noctylphosphine ... electron and hole before intraband relaxation of the electron and hole from the excited state to the band edge The rise time of the TA traces in Figs 2(a) and 3(a), corresponds to the intraband exciton...

Ngày tải lên: 06/05/2014, 08:53