calculation of the specific surface area of adsorbents

... × × averaging of voxels (downsampling) Using the ‘Create Surface function of Amira, a surface was derived from the isosurface, which allowed measurement of the surface area of the reconstructed ... From the isosurface based volume rendering of the ET reconstructions, the total surface area and volume of their composing gold particles could be measured For example, the total surface area ... composed of similarly sized primary subunits The size of the subunits of the aggregates of NM-200 is relatively constant: they measure approximately 20 nm in diameter The size of the subunits of different...

Ngày tải lên: 11/08/2014, 00:23

... solid is taken as the specific surface area (S) The adsorptive surface originates from the micro- and mesopores The contribution of macropores on the surface area is negligible Furthermore, bleaching ... cylindrical, can be taken as half the pore width The total volume of pores in g of solid is defined as the specific pore volume (V) The area of the inner and outer walls of the pores located intra- and ... Reynolds, 1997) The XRD patterns show that the crystallinity of the smectite decreases when the mass-percentage of H2SO4 in the acid treatment exceeds 10% However, the crystal structure of the smectite...

Ngày tải lên: 09/10/2015, 00:00

... obvious diffraction peaks of SiC crystals existed in the XRD pattern of the external surface of the as-synthesized materials This indicates that the external surface of the resulting ceramics is ... from Fig 2(b) that the fabricated ceramics have large amounts of irregular pores The further morphology characterization of SiC nanowires, which coated on the surface of the as-synthesized porous ... characterize the morphology of the porous ceramics Further structure characterization and fast fourier transform (FFT) of the SiC nanowires, which coated with the external surface off fabricated...

Ngày tải lên: 16/03/2014, 15:17

... supported from the result that the decrease trend of the total number of bacteria and the decrease trend of DOC in the brick-filled channel mostly correspond to each other On the other hand, in the gravel-filled ... sectional area are set approximately the same between the two channels, and only in the surface area ratio the gravel-filled channel has a value 5.5 times higher than the other Listed in Table is the ... the investigation include, (1) the influence of an increase in surface area and porosity of streamside on the amount and succession along with the downstream distance of aquatic biota...

Ngày tải lên: 05/09/2013, 08:40

... cover over the front of the detector - The shielding to decrease the response of photons from the other locations from the desired source - The air between the source and detector The peak efficiency ... the radius of cm The plexyglass plate is located in front of the detector on it’s axis at the source-detector distance of 2.95 cm The results of modeling calculations are shown in table together ... simply the ratio of the peak counts to the number of photons emitted by the source and it will depend on the photon energy and the source-detector-geometry Application MCNP4C2 for calculation of...

Ngày tải lên: 13/02/2014, 04:20

... blot analysis confirmed the identity of the purified protein as HSL (data not shown) The yield of pure protein was mg per litre of insect cell culture The specific activities of the purified protein ... with the vesicles for the phosphorylated variant, in terms of both the number of vesicles invaded by HSL and the larger HSL content of the individual vesicles (Fig 6) This may be due to the increased ... HSL and the respective probes tions of SYPRO Orange, the fluorescence of phosphorylated HSL lay above the fluorescence of nonphosphorylated HSL, indicating that HSL gains hydrophobic surface area...

Ngày tải lên: 18/02/2014, 11:20

... wild-type ALP I On the other hand, the Tm of D266N/Y269A-ALP I increased by only °C The denaturation temperature indicates the stability of the structure of the protein The difference of the increments ... surrounding residues of the depression, and the side chain of the mutated residue might restrain the mobility of the N-terminal region on the surface by interaction with the main chain of Lys26 by van ... the substitutions did not influence the activities or specificity of the mutant enzymes The N-terminal region of ALP I was also on the surface The side chains of Ile10 and Tyr11 were close to the...

Ngày tải lên: 21/02/2014, 03:20

... l i s t a i r McVey Degree : Master of A r t s T i t l e of Thesis r A Investigation i n t o Attitudes n Towards Water Pollution i n the Shuswap Lake Area of B r i t i s h Columbia Examining ... t i c s of t h e sample Socio-economic s t a t u s and awareness of problems of water q u a l i t y The r e l a t i o n s h i p between awareness of water q u a l i t y and frequency of c o n ... 73 quality 32 ,The importance of i n d u s t r y as a source of water 74 p o l l u t i o n i n t h e Shuswap Lake a r e a 33 ,The importance of s e p t i c t a n k s as a source of water p o l...

Ngày tải lên: 15/03/2014, 16:20

... image shows nanopores in the flower-like structure Fig gives the nitrogen adsorption isotherm and the pore size distribution of the as-synthesized nanosheet TiO2 The isotherm shows a typical IUPAC ... isotherm pattern of the as-synthesized nanosheet TiO2 (BET surface is 642 m2/g), and the pore size distribution of the sample with pore diameter about 3–4 nm (inset) method at 130 °C for 12 h The ... inflection of nitrogen adsorbed volume at P/P0 about 0.45 (type H2 hysteresis loop), indicating the existence of mesopores The pore size distribution of the sample, as shown in the inset of Fig 4,...

Ngày tải lên: 20/03/2014, 13:06

... completed at the end of 2012, FTA decided to add a new element to the scope of the audit: the effectiveness of the relationship between the SSO agency and the rail transit agency This audit of TOC, ... District of Columbia has the TOC Chair and the Commonwealth of Virginia has the Vice Chair In April 2010, the Commonwealth of Virginia will assume the Chair and the State of Maryland will have the ... District of Columbia Department of Transportation, the Secretary of Transportation of the State of Maryland, and the Secretary of Transportation of the Commonwealth of Virginia This amendment provides...

Ngày tải lên: 23/03/2014, 04:20

... and the ST mutant of UK3 PVX elucidate the role of the PVX CP N-terminal region in determining the physicochemical properties of the virion surface, preservation of the virion integrity, and the ... of the externally located regions of the virus protein coat However, it cannot be excluded that the structure of internally located parts of the virion protein subunits and the structure of the ... physicochemical properties of the virion surface We propose that the absence of the outer ordered water layer explains the greater sensitivity to trypsin of the ST mutant virions compared with the wildtype...

Ngày tải lên: 23/03/2014, 13:20

... extent Therefore the role of Member States is unquestionable The perspective of the ERA is not a single, centralized research area At the end of the process, there is neither integrationism, nor the ... known, the theory of search suggests that parallel efforts should be justified There is a further argument in favour of fostering the European Research Area at the level of projects, and this is the ... to the design of the European Research Area policy The report confirms that the European Research Area will bring benefits to the economy and to society, The mandate of the group of experts i4g...

Ngày tải lên: 23/03/2014, 20:20

... several years, there is no comprehensive systematic textbook approach to the relevant physics of the entire chain of phenomena from the surface of the Sun to the Earth The goal of the present monograph ... cause of the low 12 Stormy Tour from the Sun to the Earth temperature and thus the relative darkness of the spot because it inhibits the hot plasma of reaching the surface Around the spot there ... observed in the giant planets of the solar system The rotation axis of the Sun is given by two angles: the inclination i between the ecliptic plane and the equatorial plane, and the angle of the ascending...

Ngày tải lên: 31/05/2014, 01:22

... uptake profile, b) [3H]-FAC uptake profile, c) [3H]-FDG uptake profile The black lines and the number next to them represent the average change in PET tracer uptake of the cell lines with the same ... copies of wild type BRAF and a point mutation in CDKN2A The distribution of amplification events in MITF and EGFR were also spread among the cell lines Of note, there was no clear trend regarding the ... melanoma [3,7] The Raf-inhibitors PLX4720 and PLX4032 have the preclinical characteristics of functioning as specific inhibitors of the BRAFV600E mutated kinase with a favorable profile compared...

Ngày tải lên: 18/06/2014, 16:20

... melanomas carrying NRAS Q61L mutations These paradoxical effects highlight the importance of tailoring treatment to the specific genetic composition of the tumor [5] One of our patients with locally advanced ... PLX4032 As part of the eligibility requirements of the trial, paraffin-embedded tissue from a biopsy of a cutaneous lesion was tested and shown to be positive for the BRAF V600E mutation The patient ... consent was obtained from the patient for publication of this case report and accompanying images A copy of the written consent is available for review by the Editorin-Chief of this journal Upon retesting...

Ngày tải lên: 18/06/2014, 16:20

... (32) Thus, we have proven the following theorem Theorem If conditions (a) and (b) are satisfied, then the positive eigenvalues λn = s2 of the problem (1)-(5) have the (32) asymptotic representation ... +O n2 (36) Thus, we have proven the following theorem Theorem If conditions (a) and (b) are satisfied, then the eigenfunctions un(x) of the problem (1)-(5) have the following asymptotic representation ... completing the proof Şen and Bayramov Journal of Inequalities and Applications 2011, 2011:113 http://www.journalofinequalitiesandapplications.com/content/2011/1/113 Page of An existance theorem The...

Ngày tải lên: 20/06/2014, 22:20

... T) (5) is the Néel relaxation time depending on the magnetic 4π R3 volume of the NP, VM = and Kan is the magnetic anisotropy energy constant of the magnetic core of the NP Therefore, the heat ... to the magnetic properties of the ferrofluid Since some controversies exists in theoretical studies about the influence of the dipolar interaction on the intrinsic magnetic properties of the ... participated in the design of the study, in the synthesis and chemical/physical characterization of the samples, in the discussion and drafted the manuscript IP-B participated in the synthesis and...

Ngày tải lên: 21/06/2014, 03:20

... aligned with the adjacent pulse, and the correlation should be lower The evaluation of the influence of jitter (as well of other levels of noise and their combinations) in the performance of the PDA ... shimmer increases On the other hand, the summation of tails in one pulse is not completely uncorrelated with the summation of tails in the other For this reason, the estimation of relative pulse ... with N, the number of averaged pulses The requirement of large N facilitates the inclusion of slow waveform changes in the ensemble, which are incorrectly treated as noise by the method The sensitivity...

Ngày tải lên: 21/06/2014, 20:20

... decreasing The following theorem asserts the convergence of the computation, in all cases, to the desired value Theorem Assume the use of (11) for the calculation of the successive values of λh (k) ... considered above in the proof of Theorem immediately, leads to the following two corollaries The technique of showing that the successive iterations of λh (k) produce calculated values for the handoff ... have the following: λh (1) = λ∗ =⇒ either λh (1) > λh (0) or λh (1) < λh (0) h (30) Here are the theorems on monotonic convergence of the proposed algorithm Theorem Assume the use of (11) for the...

Ngày tải lên: 22/06/2014, 22:20

... to the center of gravity of the vessel as measured along the face line of the mooring facilities (m) r radius of gyration around the vertical axis passing through the center of gravity of the ... tonnage (3) The softness factor C s represents the ratio of the remaining amount of the berthing energy after energy absorption due to deformation of the shell plating of the vessel to the initial ... examinig the following: Operational function of the facilities The number of years until the facilities can no longer be usable due to the occurrence of problems in terms of the function of the facilities,...

Ngày tải lên: 27/06/2014, 18:20