... field by the pouring method has been studied by numerical analyses (Yuge et al 2014; Inomura et al 2010) A possibility to obtain the same or better yield with the use of slurry by the pouring method ... in the field after finishing the pouring of the slurry with irrigation water, (3) dig a trench when there is a shortage of irrigation water, and (4) improve the land level by careful paddling The ... paddling The authors considered the pouring method as applicable in Vietnam because it requires fewer machines than other methods The objective of this study was to evaluate the feasibility for use of
Ngày tải lên: 12/12/2017, 04:38
... materials by hydrothermal processes from various Fe and Co precursors They could carry out the controlled synthesis of Co-, Ni-, and Fe-based ferrite materials by physical and chemical approach methods ... the surface properties of the prepared CoFe2O4 microparticles were characterized by XPS method for the determination of the existence of elements and their valence in the prepared inverse spinel ... that there is lead to the existence of Fe2+, which cannot be resolved by XRD or XPS and other methods 3.2 Size and shape Fig showed the most typical SEM images of CoFe2O4 ferrite particles, and their
Ngày tải lên: 16/12/2017, 12:02
Estimating concrete strength by the maturity method
... Strength by the Maturity Method The maturity method utilizes the principle that directly relates the strength of concrete to the cumulative temperature history of the concrete Using this principle, the ... estimate the field strength of concrete based on the maturity index (equivalent age or time-temperature factor) rather than by beam or cylinder tests in the field or the laboratory The maturity ... requires three steps These include: 1) Developing the maturity-strength curve in the laboratory or in the field, 2) Estimating the in-place strength in the field, and 3) Verifying the strength-maturity
Ngày tải lên: 12/01/2020, 23:08
Identification by the DArTseq method of the genetic origin of the Coffea canephora cultivated in Vietnam and Mexico
... of the DAPC clearly separates the Guinean and Conilon groups from the three others, while the second axis opposes the Conilon group against the rest of the groups The third axis discriminates the ... on the methodology for the identification of SNP loci under selection, and to Andrea Gonzales at BIOS for improving the use of English in the manuscript Funding The work was supported by the ... further fine-tune the genetic diversity of C canephora Also, by interpolating the data obtained for the varieties from Vietnam and Mexico, we determined that they are closely related to each other,
Ngày tải lên: 22/05/2020, 04:59
teaching plane 9 teaching plan english 9 school year 2009 2010 week preparing day period 1 teaching day consolidation i aims by the end of the lesson ss will be able to remind something about grade 8
... kilometers to the north of Ha Noi Ba and his family got to the village by bus The banyan tree is at the entrance to the village 4 They saw the shrine of Vietnamese hero on the mountain They had ... it there - Call on Ss to read their answers Correct and give the right answers V / Home work : 1 Learn by heart all the clothes they have learnt Copy the exercise “ match ” 3 Prepare the ... predict the names and the places in the map - Write their predictions on the board - Turn on the tape ( 0r times ) - Ask them to exchange and compare their answers - Call on some Ss to report their
Ngày tải lên: 11/04/2021, 10:31
Estimation of errors in determination of main parameters of earthquake hypocenter, recorded by the national seismic network of vietnam
... coordinates and the coordinates of the seismic stations The results of the error estimation in determining the epicenter coordinates and the focus depth of the earthquakes recorded by the system of ... hypocenter recorded by the seismic network of Vietnam 3.1 Input data for the calculation When estimating the errors in the determination of main parameters of earthquake hypocenter recorded by the existing ... reach the maximum in the region between the longitudes of 116-118°E The Vietnam seismic network allows determining the epicenter coordinates and the focal depth of earthquakes in the Northern
Ngày tải lên: 14/10/2022, 11:40
Determination of temperature dependency of material parameters for lead free alkali niobate piezoceramics by the inverse method
... approach Compared with other characterization methods, the Inverse Method requires only one sample shape of the piezoceramic material and has further decisive advantages The identification of material ... In these method, only one sample shape is sufficient for determination materials parameters.15 In this study, we identify material parameters of NKN by means of the Inverse Method The Inverse Method ... measured by an impedance analyzer Temperature of the chamber was determined by a multimeter though two thermoscouples (b) Two different types of samples are utilized for the Inverse Method They feature
Ngày tải lên: 24/11/2022, 17:53
How to trade SD at the best by the wyckoff method
... (http://www.girolamoaloe.com/wp-content/uploads/2017/04/170403-Wyckoff-TradingMethod.jpg) How to Trade Supply and Demand at the Best by the Powerful Wyckoff Trading Method What is behind the Wyckoff Trading Method and the Supply and Demand willing? Why the Share ... Imbalances in the market These actions affect the Supply and Demand willing around the Price in the market “ The Block House works to manage and cut the effect on the market of the Supply and ... price that the current market can reach The Block House avoid that the Imbalance pushes the price away from the safety target The Wyckoff Trading Method, with the Trading Volume, exploits the Supply
Ngày tải lên: 28/04/2023, 00:25
INVESTMENT BEHAVIOR BY FOREIGN FIRMS IN TRANSITION ECONOMIES THE CASE OF VIETNAM
... private sector and strengthening the competitiveness of the economy. The first Law on Foreign Investment issued in 1987 by the Vietnamese government is considered as one of the first concrete steps ... economies, thereby encouraging their investment in the province It is noted that in industrialized... considered one of the first concrete steps toward the economic renovation of the ... investors Since our thesis focuses on location decisions of foreign firms in Vietnam, we spend more room on the discussion of the location theories such as the theory of 3 comparative
Ngày tải lên: 29/07/2015, 23:56
Damage progression in open hole tension composite laminates by the element failure method
... considered One of the earliest non-interactive failure theories is the so-called maximum stress theory [Jenkins, 1920] This theory is based on the assumption... 6 , then the damage mode ... traditionally modeled by the material property degradation method (MPDM), which assumes that a damaged material can be replaced by an equivalent material with degraded properties. For the MPDM, the stiffness ... components exceeds the corresponding ultimate strain However, the maximum strain theory also has its limitation because it ignores the strain interactions Despite their shortcomings, the maximum...
Ngày tải lên: 12/09/2015, 08:19
Process design in flashless forging of rib web-shaped plane-strain components by the finite element method
... chart of the design procedure Rigid-plastic finite element formulation The theory and the procedure of the rigid-plastic finite element method, which latter has proven to be one of the most effective ... procedure of the finite-element method and becomes a set of non-linear equations with the nodal velocities as the unknowns, which can be solved iteratively using the Newton Raphson method The stiffness ... in which the dies are designed not to include a flash area, the pattern of metal flow being very complex, and depending on the design of the preforms Thus, the most important aspect of the flashless
Ngày tải lên: 24/11/2016, 18:08
DSpace at VNU: Crack growth modeling in elastic solids by the extended meshfree Galerkin radial point interpolation method
... describe the discontinuities and the singular field at the crack-tips On the other hand, the vector level set method is also used as a useful tool in representing the crack geometry [6] Most of the ... on the radial point interpolation method in conjunction with the vector level set method for modeling the crack growth problems For the abbreviation purpose, the method is named as X-RPIM Other ... contains the point x and is bisected by the crack-line (see Fig 2, the circle on the left-hand side) and W S is the set of nodes whose support contains the point x and is split by – The RPIM
Ngày tải lên: 16/12/2017, 17:20
Summary of the thesis: Study the fabrication and photocatalytic, hydrophilic properties of TiO2/SiO2 and TiO2/PEG thin films by sol-gel method
... of the origin of the mechanism of super-hydrophilic effect of the TiO2 material system Layout of the thesis: The thesis consists of the introduction, chapters and the conclusion The results are ... bonds; therefore, when reaching the film surface, the water will easily spread over the surface We also commented that the thinner the film, the smaller the amount of TiO2 particles on the film, ... – Water by time of illumination The interface energy of the film with water γsl increases by the illumination time to the saturation value The magnitude of the change in value γsl from the time
Ngày tải lên: 09/01/2020, 15:45
Summary of the thesis: Study the fabrication and photocatalytic, hydrophilic properties of TiO2/SiO2 and TiO2/PEG thin films by sol-gel method
... of the origin of the mechanism of super-hydrophilic effect of the TiO2 material system Layout of the thesis: The thesis consists of the introduction, chapters and the conclusion The results are ... bonds; therefore, when reaching the film surface, the water will easily spread over the surface We also commented that the thinner the film, the smaller the amount of TiO2 particles on the film, ... – Water by time of illumination The interface energy of the film with water γsl increases by the illumination time to the saturation value The magnitude of the change in value γsl from the time
Ngày tải lên: 15/01/2020, 08:31
Dynamic instability of thin plates by the dynamic stiffness method
... this paper, the problem of dynamic stability of plates subjected to periodic inplate load along two opposite edges is studied by the dynamic stiffness method The problem is solved by the dynamic ... stability implies the determination of boundaries between the stable and unstable regions The dynamic instability boundaries are determined using the method suggested by Bolotin [1] The stability ... instability for the plates by the dynamic stiffness method are compared with the results previously published to be in a good agreement Thus in the analysis of plates structural one can use the dynamic
Ngày tải lên: 17/06/2020, 01:50
Reichel w uniqueness theorems for variational problems by the method of transformation groups ( LNM1841,2004)(ISBN 3540218394)(135s)
... [76], Theorem 3.5 By setting ξ(z) = −φ(z)φ (z) the vector-field ξ is continuous on Ω and analytic in Ω Let us denote ˜ (φ(z)) the exterior by ν(z) the exterior unit-normal to z ∈ ∂Ω and by ν ˜ ... The proof of both theorems relies on the contraction mapping principle applied to x − L−1 (f (x) − y) = x for the inverse function theorem and y − L−1 f (x, y) = y for the implicit function theorem ... integral identity admits only the zero-solution A crucial role is played by the vectorfield x The motivation of the present work was to exhibit arguments within the calculus of variations which
Ngày tải lên: 07/09/2020, 14:35
Cytotoxicity, antibacterial and antifungal activities of ZnO nanoparticles prepared by the Artocarpus gomezianus fruit mediated facile green combustion method
... radiation The surface morphology was observe by SEM The detection of the apoptosis and necrosis was done by the flow cytometry The principle of this method is that the enhancement in the intensity of the ... inside the tumor, thereby inhibiting the further spread of cancer This is another proof of the anti-cancer properties of the ZnO nanoparticles Fig Cell viability of MCF-7 cells calculated by MTT ... followed subsequently by damaging the integrity of the bacterial cells [31] and the formation of reactive oxygen species (ROS) by the effect of the light radiation [32] The release of the Zn2ỵ antimicrobial
Ngày tải lên: 24/09/2020, 04:42
Cytotoxicity antibacterial and antifungal activities of zno nanoparticles prepared by the artocarpus gomezianus fruit mediated facile green combustion method
... radiation The surface morphology was observe by SEM The detection of the apoptosis and necrosis was done by the flow cytometry The principle of this method is that the enhancement in the intensity of the ... inside the tumor, thereby inhibiting the further spread of cancer This is another proof of the anti-cancer properties of the ZnO nanoparticles Fig Cell viability of MCF-7 cells calculated by MTT ... followed subsequently by damaging the integrity of the bacterial cells [31] and the formation of reactive oxygen species (ROS) by the effect of the light radiation [32] The release of the Zn2ỵ antimicrobial
Ngày tải lên: 17/03/2021, 20:12
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
Do Central Banks React To Stock Prices? An Estimation Of Central Banks’ Reaction Function By The Generalized Method Of Moments
... decrease in the target interest rate On the other hand, the Fed does not appear to have responded to the stock price misalignments as captured by the “stock price gap” measure before the 80’s as the ... under the null hypothesis (with the number of overidentifying restriction, q-p, as the degrees of freedom) A rejection of the null hypothesis implies that the instruments are not satisfying the ... heteroskedasticy The solution to the problem of heteroskedasticity of unknown form has been provided by the GMM technique, which, by itself, brings the advantage of the efficiency and consistency in the presence...
Ngày tải lên: 11/12/2016, 20:32