n cod ratio on the properties of aerobic granules

... initial carbon content, it dropped to nearly 25% at the end of the composting period (Figure 4) Decrease in total organic carbon concentration resulted from the oxidation of carbon to carbon dioxide ... similar row are not significantly different using Duncan’ s multiple range test at 0.05 level of significance ‡ Mean ± standard deviation CONCLUSIONS The conclusions drawn from the study are as ... Organization of the United Nations) (1987) Soil management:Compost production and use in tropical and subtropical environments FAO and Agriculture organization of the United Nations, pp 177 Guerra-Rodriguez,...

Ngày tải lên: 05/09/2013, 09:08

... mA/cm2 The ultrasound power density was 100 W/cm2 The duration ton of the current pulse was 0.5 – 0.8 s then the current was turned off for a fixed duration toff of 0.5 s During ton, FePt nanoparticles ... Dependence of magnetic squareness and coercivity on current density J (top) and deposition time ton (bottom) In another series of samples, we fixed the current density and change the deposition ... strong change when the deposition time was longer than 0.6 s as shown in sample S6 and S7 which presented strong ratio of a soft magnetic phase In our experiment, we only used 0.08 mM (corresponding...

Ngày tải lên: 13/02/2014, 03:20

... photoconversion (B) Plot showing the NADPH concentration dependence of the red shift in the wavelength maximum of Chlide following the addition of NADPH to PLB photoconverted in the absence of excess ... possible explanation of the acceleration of the low-pH driven spectral changes seen for the photoconverted and nonphotoconverted enzymes on addition of the adenyl nucleotides or adenosine (Fig 12) ... sites contain two mononucleotide binding sites; one for the nicotinamide and one for the adenosine moiety [31] 2¢-Adenyl nucleotides, of the type found in NADPH, and the 5¢-nucleotides used in this...

Ngày tải lên: 22/02/2014, 04:20

... coordination number Exchange interaction depends on electron -2 configuration and atom spacing We assume that when raising the cooling rate, the deficiency of the -4 atom position (vacancy) rises ... wheel, the longer path The increasing speed of the wheel make the thickness of ribbons thinner and the ratio between the area and volume of the ribbons that contact with the surface of the wheel ... Proceedings of the Second International Workshop on Nanophysics and Nanotechnoloty (IWONN’04), Hanoi, Vietnam, 22-23 Oct (2004) p 51 D.T.H Gam, N. D The, N. H Hai, N Chau, N. Q Hoa, Md.S Mahmud, Investigation...

Ngày tải lên: 05/03/2014, 14:20

... SDT 2960 TA Instruments Results and discussion The mechanism of formation of particles was understood as a short single burst of nucleation occurred when the concentration of constituent species ... attained In conventional coprecipitation, size (d) can be controlled by concentration of reactants [5], pH and ionic strength [6] Size of 12 - 100 nm could be made by this technique 12 N. T Ha ... atmospheric conditions XRD patterns of the dried non-coated NPs of type C sample with different concentration (0.2 and 0.4 M) of reactant (w/s = 20) were shown in Fig All reflections are of magnetite...

Ngày tải lên: 28/03/2014, 10:20

... due to the substitution of Sn4q ions for In3q ions Minami et al reported that the peak intensity of XRD pattern decreased as the Zn concentration increased w11x, which means the decline of crystallinity ... heat-treatment may be the evidence of p-type doping by Zn More significant decrease in electron concentration of the sample annealed under oxygen gas may be due to lowered number of oxygen vacancies Furthermore, ... functions of the films depending upon the deposition parameters The change of k values depending upon deposition Y.S Jung et al / Thin Solid Films 445 (2003) 63–71 69 Fig Variations of indices of...

Ngày tải lên: 24/05/2014, 13:53

... that is needed for Coulomb interaction in exchange channel treated as annihilation of electron and hole in one point of space and subsequent creation of electron-hole pair in another point Unlike ... properties In Section 4, we study magnetoplasmons in graphene in the random phase approximation and in Section we formulate the conclusions Magnetoexcitons Electrons in graphene populate vicinities of ... suspended graphene We consider influence of Landau level mixing on the properties of magnetoexcitons and magnetoplasmons— elementary electron-hole excitations in graphene in quantizing magnetic field...

Ngày tải lên: 22/06/2014, 00:20

... Correlation of the dipole moment with the Hammett constants of the substituents It is evident from the table II that electron-donating substituents on the phenyl ring increase the pKa of anilines ... substituents enhance planarity of the aniline framework, thereby shortening d(CN) The accompanying loss of electron density from the amino nitrogen atom decreases the pKa of the amino group Conversely, ... the Hammett constants of the substituents Table lists correlation coefficients between Hammett constants and bond length C -N, negative charge on atom N, dipole moment and the pKa of compounds...

Ngày tải lên: 23/07/2014, 13:21

Ngày tải lên: 05/08/2014, 10:20

... however, they were first cut into small pieces and then soaked in a 10% sodium hydroxide solution The organic content of the ONP was 89.6% while the inorganic content was 10.4% Meanwhile, the organic ... strength, and Tables 2, and present the chemical composition of the organic and inorganic components of the waste paper The addition of fillers, which serve to reinforce the foam, significantly increased ... urethane compound, which would be the precursor of isocyanurate formation Due to the hydrogen bonding between water and the amine catalyst, the water is present in the vicinity of an isocyanate...

Ngày tải lên: 07/08/2014, 14:20

... mV; and the conversion efficiency from 7.7% to 9.8% The ZnO covering led to a positive shift in the flat band potential and an increase in the free electron concentration in the conduction band ... photocurrent would only be dependent on the intensity and spectrum of the illuminating sunlight, the redox properties of the dye and the efficiencies of the charge injection process and collection of the ... It includes results and a discussion on the influences of Au particle size and concentration on the crystallization of TiO2 particles in the composite films Discussions on the influence of Au...

Ngày tải lên: 10/09/2015, 15:47

... the nanosized particulates used in the present study Phase III investigates the effect of the addition of magnesium as a wetting reagent on the incorporation of alumina in an aluminium melt The ... magnesium content of the matrix to the alumina incorporation and, microstructural and mechanical properties of the composite An optimum magnesium content was chosen for the matrix of composites in the ... incorporation and becomes non-Newtonian [3] As a result, the power requirements necessary for mixing limits the amount of reinforcement that can be incorporated 2.1.3.2 Infiltration Infiltration processes...

Ngày tải lên: 05/10/2015, 19:04

... the Properties of FePt Nanoparticles Produced by Sonochemistry Truong Thanh Trung1, Nguyen Thi Thanh Van1 Nguyen Hoang Nam1,2, Nguyen Hoang Luong1,2,* Nano and Energy Center, VNU University of ... (2008) L79 Nguyen Hoang Nam, Nguyen Thi Thanh Van, Nguyen Dang Phu, Tran Thi Hong, Nguyen Hoang Hai, Nguyen Hoang Luong, J Nanomaterials 2012 (2012) 801240 [7] A Gedanken, “Novel methods (sonochemistry, ... (2008) L79 Nguyen Hoang Nam, Nguyen Thi Thanh Van, Nguyen Dang Phu, Tran Thi Hong, Nguyen Hoang Hai, Nguyen Hoang Luong, J Nanomaterials 2012 (2012) 801240 [7] A Gedanken, “Novel methods (sonochemistry,...

Ngày tải lên: 19/02/2017, 18:54

Ngày tải lên: 14/03/2014, 13:20

... activation of the AC via the GAF-A domain of the tandem, a concentration outside the physiological range This stimulation depends on the presence of the hPDE11A4 N- terminus because a construct in which ... positions might affect additional properties such as intracellular location and translocations, or changes in the interaction profile with other proteins due to charge neutralization of the strongly ... 221 amino acids in PDE2, 148 in PDE5, 82 in PDE10 and 196 in PDE11A4, and it is conceivable that they have a function in conjunction with the regulation of PDE activity in addition to the phosphorylations...

Ngày tải lên: 16/03/2014, 06:20

... Advances in Difference Equations For N, d ∈ N, we set lim← Z X Xd N dpN Z , Zp X1 1.1 see 1–13 The Bernoulli numbers Bn and polynomials Bn x are defined by the generating function as ∞ t et − Bn n ... x Sn−i,wu1 u2 − ui−1 un−i i u2 u1 ⎞ ⎠ 2.17 n t n! By comparing the coefficients of tn /n! on both sides of 2.16 and 2.17 , we obtain the following theorem Theorem 2.1 Let u1 , u2 , n ∈ N Then for ... section, we consider the generalized Bernoulli numbers and polynomials and then define the twisted generalized Bernoulli polynomials attached to χ of higher order by using Advances in Difference...

Ngày tải lên: 21/06/2014, 16:20

... and B Ottersten, “Optimal downlink beamforming using semidefinite optimization,” in Proceedings of the 37th Annual Allerton Conference on Communication, Control, and Computing, pp 987–996, Monticello, ... the knowledge of the second-order statistics such as the covariance matrix of the downlink userchannels The motivation behind this assumption is that the knowledge of instantaneous channel information ... a function of γ0 for the user i = (exponential correlation model) 10−1 5.1 Exponential Correlation Model In this example, the amplitudes of the spatial correlations among the elements of the...

Ngày tải lên: 21/06/2014, 22:20

... g(z) as a rational function by [17, 18] P [N p /Nq ] (z) = Np n n=0 an z , Nq n n=0 bn z (2) where the coefficients {an } and {bn } are defined such that Np n n=0 an z Nq n n=0 bn z min(Nq , j) aj ... is the MGF of the SNR per branch, is a properly chosen constant in the region of convergence in the complex s-plane, and SNRMRC is the total SNR, which is equal to the sum of the branches SNRs ... performance of linear digital modulations over flat Weibull fading channels in the case of both single-channel reception and multichannel reception employing maximal ratio combining (MRC) The rest of...

Ngày tải lên: 22/06/2014, 22:20

... Jacobs, P A., Grange, P & Su, B L (2003) Chemistry of silica at different concentrations of non-ionic surfactant solutions: Effect of pH of the synthesis gel on the preparation of mesoporous silica ... diameter and pore volume increased with increasing pH This phenomenon can be clearly explained based on the understanding of the interactions between the surfactant and silicate Below a pH of 2.0, the ... and plugged SBA-15 silicas by using adsorption and inverse carbon replication and explanation of the plug formation mechanism J Phys Chem B, 107(10), 2205–2213 Chareonpanich, M., Nanta-ngern,...

Ngày tải lên: 07/08/2014, 14:20

... extract confirms the presence of waxes and fats (protons of alkyl chain between 0.9 and 1.5 ppm, protons attached to alpha oxygenated carbon between 3.5 and ppm and ethylenic protons between and 7.5 ... smaller contact angle, while toluene/ethanol and acetone extracts, which contain polar and apolar compounds, have a lesser effect on the contact angle value Explanations of the limited effect of extractives ... Identification of the products using NIST library indicates the presence of squalene corresponding to the peak at 25 Presence of this latter was confirmed after injection of a commercial sample of squalene...

Ngày tải lên: 08/08/2014, 01:22