— surface preparation of core wall

... percentage of grafting (PG, mass ratio of the grafted polymer to silica nanoparticles) of the PS-SNs was found to be 61% according to the TGA analysis (Fig 1) The surface polystyrene shells of the ... bromoacetylation of the surface amino groups of the aminopropyl modified silica nanoparticles (AP-SNs) with bromoacetylbromide (Scheme 1), were used as the macroinitiators in the surface- initiated ... proportion of the cross-linked polystyrene grafted silica nanoparticles (CPSNs) was less than that of the polystyrene grafted silica nanoparticles (PS-SNs), the percentage of grafting of the crosslinked...

Ngày tải lên: 22/06/2014, 00:20

... reactions on the surface of the tubes The ratio of H2 to O2 is critical to the process because it directly correlates with the composition of the generated cations In this study, the effect of gas composition ... Note that the amount of surface defects is important for functional groups to form on the nanotube surface [10] In order to evaluate the formation of defects on the nanotube surface by the ECR ... the addition of 20 vol.% H2 (H2/O2 of 10/40 (sccm/sccm)) in gas, there is still a significant removal of amorphous carbon and formation of oxygen-containing groups on the nanotube surface Figure...

Ngày tải lên: 22/06/2014, 01:20

... by pulsed laser irradiation of bulk alloy metals in water [10], by laser irradiation of mixtures consisting of Au and Ag NPs [11] or by laser irradiation of mixtures of micrometer-sized metal powders ... spectrum of colloidal Ag NPs Fig.2 XRD pattern of Ag NPs The UV-Vis absorption spectrum of colloidal Au-NPs (Fig.4) exhibits a characteristic peak of AuNPs at about 521nm The crystalline structure of ... width of ns) operating at 10 Hz The laser beam was focused by a lens with a focal length of 100 mm Using an average laser power density of 15.9W/cm2 we prepared Ag NPs with exposure time of minutes...

Ngày tải lên: 24/10/2016, 15:21

... 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 ... 15 Then the sample of LCL was delivered to the Zhejiang California International NanoSystems Institute, and was processed by a microfluidizer (Microfluidics, USA) After microfluidizing, the LCL...

Ngày tải lên: 26/10/2012, 08:57

... using the software of Fractal Image Process System (FIPS) developed by the University Science and Technology of China The hydrophobicity of sludge was determined by measuring contact angle of sludge ... from the surface charge and hydrophobic or hydrophilic character of the bacterial cells, the surface energy is a very important parameter governing their adhesion on solid surfaces Lower surface ... Characterization of activated sludge by automated image analysis Biochem Eng J Vol.9, 165-173 Sharma, P.K., Rao, K.H (2002) Analysis of different approaches for evaluation of surface energy of microbial...

Ngày tải lên: 05/09/2013, 09:08

... 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

... 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

... the horizontal movement of paint in the upper layer of the tank is at least twice that of the vehicle This helps to prevent settlement of paint of horizontal vehicle surfaces causing gritty films ... consists of a series of spray and dip rinses The paint that is washed off during these rinses is recycled and used again in the coating of more vehicles Oligomer: polymer with a small number of monomers ... number of special applications However, it is included near the end of this article because it is of considerable historic importance, being the first electrocoating method used for auto-body surface...

Ngày tải lên: 07/03/2014, 11:20

... and can often be found on poorly maintained ceilings 20 Preparation of dairy products and walls Their mobility makes them an important source of infection Moulds can be seen on the surface of butter ... 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 ... the surface of cow milk A layer of fat forms on the surface of the milk after it has been left to stand for at least half a day After a day this layer contains about 20% fat The simplest way of...

Ngày tải lên: 08/03/2014, 22:20

... measurement of differences between two images The use of micro-CT enables the evaluation of changes in volume and surface area of the root canal system, the extent of unprepared canal surface and ... ProFile 0.04 & 0.06 ProFile 0.04 ProFile 0.06 Ni–Ti system K3 Deflection angle Frequency of use Type of Ni–Ti instrument Preflaring torque Cleaning procedures ProFile ProTaper K3, ProTaper & ProFile ... 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

... 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 ... described the surface of denaturated laterite before and after coating of MnO2 particles Fig SEM image of denaturated laterite surface before nano MnO2 coating 230 D.K Loan et al / VNU Journal of Science, ... 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 surface, the solution...

Ngày tải lên: 14/03/2014, 10:20

... The surface properties of each of these surface types has been determined for dimers positioned at the nanowire edges, and dimer positions in the centre of the nanowire (1 0) facets Inspection of ... as in the lower right image of Fig Saturation of the nanodiamond surfaces with hydrogen produces structures of lower energy that is entirely due to the passivation of surface bonds However, aside ... shows that monohydrogenation of the nanowire surfaces has an important effect on the surface structure The addition of the hydrogens removes much of the variation in surface structure over the (1...

Ngày tải lên: 16/03/2014, 15:38

... 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 ... sizes of the corresponding gel after dried or calcined at the designated temperatures (XRD) as a function of total centrifuging time ð0 0Þ of WO3 Á 2H2 O ! ð0 0Þ of WO3 Á H2 O ! ð0 1Þ of WO3 ... Titration of Na2WO4 solutions with protonated cation-exchanged resin be formed when the ion-exchanged effluent is kept for a certain period 3.2 Products of ion exchange and ageing A volume of 200 cm3 of...

Ngày tải lên: 20/03/2014, 13:06

... 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 ... 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 ... 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...

Ngày tải lên: 20/03/2014, 13:06

... 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

... the sample surface, the surface molecular cohesive forces between the surface water layer both on AFM tip and sample surface will lead to a water contact between AFM tip and sample surface Provided ... nanoscale oxide pattern on the sample 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 ... 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...

Ngày tải lên: 20/03/2014, 13:06

... G Model APSUSC-18761; No of Pages D Meng et al / Applied Surface Science xxx (2009) xxx–xxx Fig Schematic diagram of the apparatus used for the formation of WO3 nanoparticles  10À6 kPa, ... 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...

Ngày tải lên: 20/03/2014, 13:06

... presumably because of the differences of surface area and ⁄ or surface structure There are several techniques to estimate the surface area of solid cellulose from the amounts of FEBS Journal 273 ... the surface density of the enzyme (defined as the adsorbed amount of the enzyme divided by the maximum adsorption of the enzyme) as a parameter, in order to avoid the influence of heterogeneity of ... 2873 Surface density of GH family cellobiohydrolase K Igarashi et al A B C Fig Surface density dependence of high- (solid line) and lowaffinity (dashed line) adsorption of Cel7A with plot of cellobiose...

Ngày tải lên: 23/03/2014, 10:21

... · · · · · 107 107 107 107 107 Presentation of the ELDKWA on surface of infected cells The presentation of the inserted epitope ELDKWA on the surface of infected cells was determined by FACS analysis ... to those of wild-type AcMNPV The titre of AcELD274 was  10 times lower and plaques were considerably smaller In conclusion, efficient surface display of desired epitopes on the surface of baculovirus ... theoretical maximum surface probability, as determined by computer analysis [30] (Figs and 2) Propagation of viruses was successful in 13 out of 17 cases Titres of Fig Amino acids of gp64 flanking...

Ngày tải lên: 23/03/2014, 21:21

... 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 ... can provide The sheer density and diversity of all features of an urban area—buildings, infrastructure, people—flood extant technologies in ways that often make information superiority unreachable ... The intent of IPB is to give the commander and his staff information on the conditions within his operational area—comprising the area of operations, area of interest, and battlespace—that could...

Ngày tải lên: 29/03/2014, 15:20