... template The activated carbon (2 g) was placed on the AAO template Then, the crucible was covered with a graphite lid, placed in the hot zone inside the alumina tube, as shown in Fig The chamber ... template, and the template made the concentration of the SiO vapor increase Thus, overgrowth of the nanowires became possible by using AAO template The X-ray diffraction pattern for the obtained ... about nm The SiO2 sheath could be easily removed by etching in hydrofluoric acid (HF) The thickness of the SiO2 sheath could be controlled by changing the etching time Fig also shows that the spacing...
Ngày tải lên: 16/03/2014, 15:21
... maximum of the L1 emission line, the broadening factors Г(T) were determined from the fit to the data The activation energies of thermal quenching were obtained for the L1 peak from the temperature ... In this work, we present the PL study on the CMT bulk crystals grown by the vertical Bridgman method to investigate the variation of the band-edge transition energy in the PL spectra as a function ... alloy composition The parameters that describe the temperature variation of the energy were evaluated by the semiempirical Varshni relation From the temperature dependence of the full width at...
Ngày tải lên: 20/06/2014, 20:20
Báo cáo toán học: "A Multiple Integral Evaluation Inspired by the Multi-WZ Method" potx
... that was first found by using the author’s implementation of the continuous multi-WZ method which is called SMint1 Both the conjecturing part, and the proving part, were done by a close human-machine ... not exceed the length of the present proof Since a key to the integral evaluation is the package SMint, first we give a brief description of the package A Brief Description of SMint The ”objects” ... of SMint The ”objects” of study in the continuous version of the multi-WZ theory are expressions of the kind F (n, m, y, x)dx and identities between them In the above general integral-sum, n is...
Ngày tải lên: 07/08/2014, 06:22
A numerical study of a permeable capsule under stokes flows by the immersed interface method
... immersed boundary method (EIB method) using FEM to solve problems involving immersed elastic bodies Then, the EIB method was further extended using the immersed interface method by Zhang et al (2004) ... smearing out The immersed boundary method (IB method) belongs to the first category while the immersed interface method (IIM) belongs to the second category 2.1 Immersed Boundary Method The immersed ... is assumed The fluid velocity 20 near the interface (u, v) is calculated by interpolating the nearby grid point velocity values by the least-squares interpolation method (Li, 1994) The solvent...
Ngày tải lên: 11/09/2015, 09:15
Damage progression in open hole tension composite laminates by the element failure method
... on the assumption that the energy required to propagate a crack by a small amount is equal to the work required to close the crack by the same amount The delamination crack front advances by ... applied either to lamination theory or to finite elements 1.3.1.1 MPDM Applied to Lamination Theory At the ply level, one simple material property degradation method is the plydiscount method The ply-discount ... proposed a second-order tensor polynomial theory by assuming the existence of a failure surface in the stress space The failure surface can be expressed by the equation Chapter 1: Introduction and...
Ngày tải lên: 12/09/2015, 08:19
DIRECT TREATMENT OF POLLUTED RIVER WATER BY THE MULTI-SOIL-LAYERING METHOD
... pH by glass electrode method, ORP, BOD and suspended solids (SS) by Standard Method for the Examination of Water and Wastewater (1995), COD by potassium dichromate method, NH4-N by Nessler method, ... distributed into the six MSL systems by water pumps (Fig 1b) River water discharged into the MSL systems was moved down gravitationally and treated water was returned to the lower position than the water ... ascorbic acid method In addition to above regular sampling for the determination of the seasonal fluctuation of river water and treated water, we determined the daily fluctuation of them by those...
Ngày tải lên: 05/09/2013, 08:40
Tài liệu Báo cáo Y học: Inhibition of the MEK/ERK signaling pathway by the novel antimetastatic agent NAMI-A down regulates c-myc gene expression and endothelial cell proliferation ppt
... establish whether the decrease in c-myc mRNA expression elicited by NAMI-A might have occurred at the transcriptional level, we assessed the rate of transcription of the c-myc gene by using an ... that the wide-scale profiling of intracellular signals leading to ERK1/2 activation may have not been entirely encompassed by the drug-treatment Such a hypothesis is further confirmed by the observation ... signaling and that the activation of ERK by GPCRs closely parallels that employed by RTK [33] On the whole, these observations suggest that the inhibitory effect elicited by NAMI-A on ERK signaling...
Ngày tải lên: 21/02/2014, 01:21
Revisiting the Ziegler–Nichols step response method for PID control ppt
... multiplying it either with the static process gain Kp or with the parameter a ¼ Kp L=T ¼ Kv L The integral and derivative times are normalized by dividing them by T or by L The controller parameters ... larger than the value given by the AMIGO rule If the values of the derivative time for the AMIGO rule is used in this range the robustness is decreased, the value of M may be re- duced by about ... called the controllability index The ratio is also mentioned in [23] The use of s instead of L=T has the advantage that the parameter is bounded to the region ½0; 1 The parameters for the integrating...
Ngày tải lên: 12/03/2014, 00:20
Báo cáo " Research on the effect of urban expansion on agricultural land in Ho Chi Minh City by using remote sensing method " ppt
... 1985 to 95.2% in 2002. The population growth causing population overload in the city has been shown not only by the natural increase on the spot, but also by the mechanical movement from other provinces. ... whole city, the land transformation was realized mainly in the northern part of the city as shown by the results from remote sensing data. Fig. 3 shows that the dense ... bare land, shrub/grass land and water. As the first step, the data pre‐processing was initiated for two images. The images were geometrically rectified and registered to the same map projection to lay them ...
Ngày tải lên: 14/03/2014, 15:20
Characterization of tin catalyzed silicon nanowires synthesized by the hydrogen radical assisted deposition method
... results in the growth of a solid Si nucleus The Sn nanoparticles are pushed away from the substrate by continuous Si source feeding in the liquid–solid interface and it is lifted upward by the growing ... on the top of Si nanowire implies that a Sn catalyst assisted VLS mechanism is typically related in the growth of SiNWs These results denote that the as-synthesized SiNWs by our experimental method ... nanoparticles, which results in the formation of a Sn–Si alloy The continued adsorption of the Si sources into the Sn–Si alloy liquid droplets leads to the supersaturation of the Sn–Si eutectic in a...
Ngày tải lên: 16/03/2014, 15:10
ENVIRONMENTAL ACCOUNTING - A TOOL USED BY THE ENTITY FOR DETERMINING ENVIRONMENTAL COSTS docx
... treatment costs In this article we used methods of research like documentation, comparison, analysis, synthesis, in order to achieve the proposed objectives The current state of knowledge in the field ... environmental costs and determining environmental costs generated by the entity and related financial disclosure is way of evaluating the performance of work (Beţianu L., 2008) The question is: ... view, the entities cannot hide behind secrecy, at least some of their aspects They are forced to provide information about aspects of their activities in order to allow control of the company on these...
Ngày tải lên: 29/03/2014, 14:20
solutions for an introduction to the finite element method (3rd edition), by j. n. reddy
... method and the Galerkin method give the same equations Furthermore, the solution of the Galerkin and least squares methods would be the same as that of the Ritz method For the collocation method, ... improvement of Euler’s method is provided by Heun’s method, which uses the average of the derivatives at the two ends of the interval to estimate the slope Applied to the equation du = f (t, ... and v2 for the second equation, and integrate over the interval (0, L) In the second step, carry out the integration -by- parts once in the first equation, twice in the first term of the second equation,...
Ngày tải lên: 08/04/2014, 10:38
sell your business, the step-by-step legal guide (2004)
... for the space where you business, and the lease can’t be assigned to the buyer By buying your corporation or LLC, the entity continues to be the tenant, so the buyer gets the benefit of the lease ... lighting store and the other owners keep the contracting business Then, you’ll be free to apply your ideas to build the profitability of the store, with the idea of selling it within the next two years ... BUSINESS: THE STEP -BY- STEP LEGAL GUIDE In some instances, your best strategy will be to start your sales process by broadcasting the availability of your business The idea here is simple: The more...
Ngày tải lên: 18/04/2014, 14:10
sell your business, the step-by-step legal guide (2004)
... for the space where you business, and the lease can’t be assigned to the buyer By buying your corporation or LLC, the entity continues to be the tenant, so the buyer gets the benefit of the lease ... lighting store and the other owners keep the contracting business Then, you’ll be free to apply your ideas to build the profitability of the store, with the idea of selling it within the next two years ... BUSINESS: THE STEP -BY- STEP LEGAL GUIDE In some instances, your best strategy will be to start your sales process by broadcasting the availability of your business The idea here is simple: The more...
Ngày tải lên: 18/04/2014, 14:13
Draw 50 Famous Cartoons: The Step-by-Step Way to Draw Your Favorite Classic Cartoon Characters
... mistake at the beginning may spoil the whole picture at the end As you sketch out each step, watch the spaces between the lines, as well as the lines, and see that they are the same After each step, ... start with the rst Choose whichever you wish When you have decided, follow the step -by- step method shown Very lightly and carefully, sketch out step number one However, this step, which is the easiest, ... pen—for the final step The rst steps in this book are shown darker than necessary so that they can be clearly seen (Keep your work very light.) Remember, there are many other ways and methods...
Ngày tải lên: 20/05/2014, 12:33
Báo cáo hóa học: " Legal implications of the step-by-step principle" docx
... risks.b Step -by- step in practice There are different situations during the application phase when reference to the step -by- step principle may be of importance The legal status of the step -by- step principle ... (4) of the same regulation refer to the environmental safety requirements of Directive 2001/18/EC [1]which also include the step -by- step principle The use of the term step -by- step in the GMO ... [1]) By contrast, ‘stepby -step can be understood as an auxiliary tool within the case -by- case approach It is a tool helping to structure the information generation for certain GMOs Step -by- step ...
Ngày tải lên: 20/06/2014, 23:20
Báo cáo hóa học: " Research Article On Strong Convergence by the Hybrid Method for Equilibrium and Fixed Point Problems for an Inifnite Family of Asymptotically Nonexpansive Mappings" potx
... C 1.2 The set of such that z ∈ C is denoted by EP , that is, EP z ∈ C : φ z, y Az, y − z ≥ 0, ∀y ∈ C 1.3 In the case of A 0, EP EP φ In the case of φ ≡ 0, EP is denoted by V I C, A The problem ... Point Theory and Applications where PC denotes the metric projection from H onto a closed convex subset C of H They proved that if the sequence {αn } bounded above from one, then {xn } defined by ... Takahashi 14 and Kim and Xu 15 On the other hand, for finding a common element of EP φ ∩F S , Tada and Takahashi 19 introduced the following iterative scheme by the hybrid method in a Hilbert space:...
Ngày tải lên: 21/06/2014, 20:20
Báo cáo hóa học: " Research Article Space-Varying Iterative Restoration of Diffuse Optical Tomograms Reconstructed by the Photon Average Trajectories Method" ppt
... shadows by the PAT method with the FBP realization The relative shadows caused by the point inhomogeneity are simulated via the numerical solution of the time-dependent diffusion equation with the ... on the right The upper images correspond to the object with the central inhomogeneity, the central row of images—to the object with the inhomogeneity displaced from the center by 1.25 cm and the ... via the numerical solution of the time-dependent diffusion equation for the instantaneous point source with the use of the FEM method The time-gating delays of the receivers were chosen so that the...
Ngày tải lên: 22/06/2014, 23:20
The J-Matrix Method by Abdulaziz doc
... generalization of the J -matrix method to any convenient L -basis, without any significant loss of the advantages provided by the method [14] (5) Vanroose et al [15] enhanced the method, especially in the treatment ... and thereby completely determines the sn ’s Equation (8a) is the recursion relation satisfied by the Chebyschev polynomials [3], and Eq (8b) gives us those polynomials of the second kind Therefore, ... Further developments in the J -matrix method ensued: (1) The matrix elements of Green’s function associated with the reference Hamiltonian H0 were evaluated by Heller, showing the analogy to the...
Ngày tải lên: 27/06/2014, 08:20
Summary of Ph.D thesis: A study on the embankment caculation method reinforced by geotextile in the construction of highway in Vet Nam
... along the bottom of the embankment j is defined as : (1.5) Among them : YJ ¬ arm is in the vertical direction of the torque to the dangerous sliding surface at the center point on the bottom of the ... caused by slope (1.15) Where: Tj is local tension of the fabric at j ; YJ : the core layer j distance to the center of the Y -axis slide (1.16) ffs is the partial factor for the unit weight of the ... sliding surface based on the consideration transferred in the element node On the other hand , the finite element method also include many factors affect the elastic modulus of the ground , elastic...
Ngày tải lên: 02/07/2014, 20:44