... solidification substructure changed from directional columnar structure to dendrite structure and resulted in the decrease in the directional columnar zone width The change in solidification substructure ... shown in Figure and Figure 6c, 6d With proper deposition parameters, it was able to produce continued directional growth in the deposition zone over twenty layers of sample (Figure 7) comparing ... simultaneously by convection and radiation increasingly because of the increase in temperature CONCLUSIONS Determining single cladding track characteristics, which obtained by optimizing process parameters...
Ngày tải lên: 08/06/2016, 07:11
... out the optimum condition by changing the time and method of seasonal backwash from October, 2001 to September, 2002 Specifications and operation conditions of Granular activated carbon 24 granular ... minimum fluidization according Spent carbon(㎝) Division to changing water position before Reactivated carbon(㎝) Water position L Water position LL Water position L Water position LL before before ... Carbons on Downstream of the Nakdond River J Korean Environmental Sciences, 10(2): 105-111 2001 10 Kim, B.G., A Study on the Efficiency of Backwashing in the Adoption Process of Activated Carbon...
Ngày tải lên: 05/09/2013, 08:40
Analysis on the Optimal Dispatching of Mixed-pump Stations and the Operating-mode Adaptability Based on Safety Water Supply
... the First and Second Optimization CONCLUSION The purpose of optimal operation for water distribution system is to reduce the energy consumption as much as possible in condition of the flow and ... kth monitoring point The Second Optimization Model of Mixed-pump Stations The best outlet flow and pressure of each pump station are obtained after the first optimization, and will be considered ... parallel, for the two-stage optimal operation OPTIMAL OPERATION MODEL OF MIXED-PUMP STATIONS WITH OPERATION-MODE ADAPTABILITY The First Optimization Model with Operation-mode Adaptability The outlet...
Ngày tải lên: 05/09/2013, 09:38
Tài liệu Báo cáo " Research on the optimal picket sampling interval in automated digital terrain model creation by using digital photogrammetry " ppt
... elevation than the latter 3.4 Lang Son experimental area Lang Son City is one of the important administrative centers of Vietnam in the Northeast region The city is a valley at elevation of 250-500m ... in vertical direction Picket grid placement Automated picket measurement Ground control measurement Error checking and counting Photo orientation and triangulation DTM generation Block adjustment ... investigated the influences of PSI on the number of error pickets and the accuracy of DTM by using airphoto database of Vietnam On this basis, some recommendations on choosing optimal PSI are given Testing...
Ngày tải lên: 13/02/2014, 12:20
Báo cáo sinh học: " Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light emitting diodes" pot
... good observation for space and nuclear applications The 2-MeV ions only have a minor effect on optical properties of the LED devise after irradiation with moderate fluences Conclusion In summary, ... emission increase after the He+ ion irradiation The decrease in the UV emission is due to degradation in the crystalline quality after the He+ ion irradiation The enhancement in the green emission ... operate in radiation hard conditions In this paper, we have investigated the effect of MeV He+ ion irradiation on the optical properties of ZnO nanorod-based LEDs There are only few reports about...
Ngày tải lên: 18/06/2014, 22:20
báo cáo hóa học:" Influence of helium-ion bombardment on the optical properties of ZnO nanorods/p-GaN light emitting diodes" pdf
... good observation for space and nuclear applications The 2-MeV ions only have a minor effect on optical properties of the LED devise after irradiation with moderate fluences Conclusion In summary, ... emission increase after the He+ ion irradiation The decrease in the UV emission is due to degradation in the crystalline quality after the He+ ion irradiation The enhancement in the green emission ... operate in radiation hard conditions In this paper, we have investigated the effect of MeV He+ ion irradiation on the optical properties of ZnO nanorod-based LEDs There are only few reports about...
Ngày tải lên: 20/06/2014, 04:20
Báo cáo hóa học: " Effects of low-temperature capping on the optical properties of GaAs/AlGaAs quantum wells" doc
... 580°C one monolayer (ML) per second and As4 flux of × 10-5 Torr was used Only for the capping at 200°C, we used migration enhanced epitaxy (MEE) to assure smooth growth [16] The MEE sequence consisted ... reasonably highquality capping can be achieved above 350°C for the optical emission from QWs, although the number of nonradiative recombination centers might increase slightly at 350°C In contrast, ... morphological changes and interdiffusion 10 11 12 13 14 15 16 17 18 19 20 Abbreviations ML: monolayer; PL: photoluminescence; RHEED: reflection high-energy electron diffraction; QDs: quantum dots; QWs:...
Ngày tải lên: 21/06/2014, 06:20
Báo cáo hóa học: " Research Article Missing Texture Reconstruction Method Based on Perceptually Optimized Algorithm" ppt
... computation scheme in [31] into the SSIM-based reconstruction algorithm, and its nonconvex maximization problem is reformulated as a quasi convex problem Then the optimal solution based on the ... Reconstructed image by the conventional method [11] (h) Reconstructed image by the conventional method [13] (i) Reconstructed image by the conventional method [21] The first equivalence relationship ... appropriate for texture reconstruction In the conventional methods, the subspace estimation and texture reconstruction schemes are based on the MSE criterion However, the MSE optimal algorithms not...
Ngày tải lên: 21/06/2014, 08:20
Báo cáo hóa học: " Research Article Blind Channel Equalization with Colored Source Based on Constrained Optimization Methods" pptx
... has only one set of solutions θ and T(h ) Equation (41) is a set of linear equations with M +q + p(q +1) unknowns and M p equations when every component of γ is nonzero Considering T(h) has full ... conditions, we can have one and only one solution, that is, h = h So h is the only solution under our assumptions For colored input, if γ does not meet either of the above two conditions, the delay d ... section, we first find this efficient constraint based on the overall response analyses in the previous section Then we develop a new equalization algorithm based on the CMOV method that successfully...
Ngày tải lên: 21/06/2014, 22:20
Báo cáo hóa học: " Efficient Fast Stereo Acoustic Echo Cancellation Based on Pairwise Optimal Weight Realization Technique" docx
... projection methods known as Kaczmarz’s method or, more generally, the projections onto convex sets (POCS) in convex feasibility problem; find a point in the nonempty intersection of fixed closed convex ... The algorithm adopts subgradient projections as approximations of the exact projections onto the convex sets for saving the computation costs The multiple (subgradient) projections are computed ... time consumption for each update Finally, the update direction of filter is determined by taking a weighted average of the projections The first step is to define closed convex sets that contain...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo sinh học: "On the optimality of the neighbor-joining algorithm" ppsx
... Q-criterion We call the cones Cσ neighbor-joining cones, or NJ cones See [11] for the hyperplane representation of NJ cones and descriptions how to construct each cone Example There is only one unlabeled ... in the second column The third column shows, for each ray, which cones it belongs to If a cone is starred then the ray is on the boundary of that cone, but not a ray of it Type rays Cones I (-3, ... consistency conditions define polyhedral cones (consistency cones) in ⎛n⎞ ⎜ ⎟ ⎝ ⎠ ; see [18] for details For n = taxa the ⎛4⎞ ⎜ ⎟ ⎝ ⎠ consistency cones cover all of showing that quartet consistency...
Ngày tải lên: 12/08/2014, 17:20
Báo cáo y học: " Add-on therapy options in asthma not adequately controlled by inhaled corticosteroids: a comprehensive review" pps
... comprehensive data to support the different options Recently, this "step-3" dilemma on the different treatment options has gained attention [7,8] Several of these options have been separately assessed ... ICS, the addition of any of these medications to the treatment is a logical approach and may be chosen Conclusions on the comparisons between LABA, LTRA and theophylline as add -on options LABA (salmeterol) ... in one long-term study [111] addition of montelukast to fluticasone was shown to be non-inferior to addition of salmeterol when the percentage of patients with at least one asthma exacerbation...
Ngày tải lên: 12/08/2014, 18:21
essays on growth options and corporate strategy
... financial options Real options are options because like financial options, once invested, they confer the firm the right, but not the obligation, to undertake some future specified action The theory’s ... application of real options theory to strategy and the variable growth option value would have more general implications for future research on growth options The second essay aims to contribute ... real options theory predicts The specific goal of this dissertation is to provide direct empirical evidence on one of real options theory’s central predictions—that real options investments confer...
Ngày tải lên: 02/11/2014, 00:33
Medical Smart Textiles Based on Fiber Optic Technology An Overview
... principles and configurations [4] FOSs can be divided into intrinsic sensors, where the fiber optic constitutes the sensing element, and extrinsic ones, where the fiber optic is only used as a ... mentioned applications In Section the working principles of the FOSs used in smart textiles and their applications in medicine are described In Section the applications in physiological monitoring ... more than one fiber to obtain a differential configuration The differential solution allows neglecting the influence of the light source intensity on sensor output Another configuration to develop...
Ngày tải lên: 15/08/2015, 01:36
ESSAYS ON PORTFOLIO OPTIMIZATION AND MANAGEMENT USING BOOTSTRAPPING METHOD THE CASE OF BANK INDONESIA
... most commonly used and only central banks of Hong Kong SAR and Norway use equity options 18 2.2 Theoretical Foundations This section lays a theoretical foundation of this thesis It focuses on two ... significantly Jobson (1991) proposed constructing confidence regions for the efficient set hyperbola From the confidence region (let say 95% confidence region), he generates a sample acceptance region around ... a population In non-parametric bootstrap, one does not know the underlying distributional form of the population under consideration For non-parametric bootstrap, the true distribution can be...
Ngày tải lên: 12/09/2015, 10:54
On the optimal size of distributed cooperative systems
... Conclusion 73 On the Optimal Size of a Robust Swarm 5.1 75 5.2 The Contradicting Effects of Large Swarm Size 77 5.3 Robust Swarm Size as an Optimization Problem 80 5.4 Theoretical vs Simulation ... a fully connected network with 95% probability inside the concave shape Depending on the complexity of the concave shapes, 95% varies and one can only discover it by increasing N until the connectivity ... Robust Control Robustness analysis in the field of robust control addresses the question "Is a control system sufficiently stable under all admissible operating conditions?" Robust Control is...
Ngày tải lên: 14/09/2015, 08:45
A study on the development on tunable opto fluidic devices by diamond turning and soft lithography
... Diamond Machining of Mold 27 2.3.1 Exploration of Diamond Turning on Electroless Nickel 27 2.3.2 Exploration of Diamond Turning on SU8 .32 2.3.3 Exploration of Diamond Turning on ... might differ from that region that is to be diamond-turned Deposition of machinable metals on selected regions on the device is one plausible solution that addresses those concerns There have been ... new one has to be diamond turned on PMMA which is a rather time consuming process Instead, rapid prototyping would be a more attractive option for engineering applications It has been demonstrated...
Ngày tải lên: 26/09/2015, 10:43
RESEARCH ON DESIGN OPTIMIZATION OF ENERGY SOURCE SIZES AND CONTROL PARAMETERS OF HYBRID ELECTRIC VEHICLE POWERTRAIN SYSTEMS
... size and control strategy parameter optimization for powertrain system; Conclusions and recomendations Limitations The dissertation mainly focuses on the powertrain component sizing and control ... will be repeated until optimization conditions are satisfied Next part, innovations and applications of BAs as an OPTIMIZATION UNIT to optimize key component sizes and control strategy parameters ... researches on HEV optimization focus on : - Design and fabrication of HEV models and some of key components of HEV powertrain systems - Research on a control strategy parameter optimization: Particle...
Ngày tải lên: 09/05/2016, 22:37
VS AS ROMA_Unforgettable match
... Ferdinand, Heinze - Ronaldo, Fletcher, Carrick (Richardson, 73), Giggs (Solskjaer, 60) - Rooney, Smith Roma: Doni - Cassetti, Chivu, Mexes, Panucci - Pizarro, De Rossi - Wilhelmsson, Vucinic, Mancini ... kết Champions League mở rộng thênh thang trước mặt nguời dân thành phố dệt Sẽ khiếm khuyết cầu thủ cưng Ronaldo không đóng góp chút rượu mừng cho ngày hội Chơi nổ hiệu từ đầu trận, Ronaldo lần ... từ đầu trận, Ronaldo lần khiến chàng thủ môn Doni khốn đốn với cú sút xa chân trái đá phạt búa bổ Ronaldo với pha bóng ghi bàn không lẫn vào đâu Doni nỗ lực cứu bàn thua trông thấy từ đánh đầu...
Ngày tải lên: 24/02/2013, 23:14
MATCH LOP 6,7.doc
... 20 12 22 13 14 15 10 11 12 13 23 MATCH What will you on your next vacation? a Yes, he does./ No, he doesn’t How much does it cost? b It’s about kilometers How long does it take to get to school ... I’ll visit Ha long Bay How far is it from your house to school? e Ten thousand dong Who helped her make the dress? f About twenty minutes How often you go fishing? g About once a month Does he ... Mom? a I think I am one meter forty b She had a cold c They don’t either d He often watches cartoon e Let’s get some meat f Sorry, I can’t g I am forty a My teeth hurt a Badminton b I’d love to...
Ngày tải lên: 13/06/2013, 01:26