vi optimization of sql statements
Overview of SQL Server 2000
... vào icon Một chút kiến thức Version SQL Server SQL Server Microsoft thị trường chấp nhận rộng rãi kể từ version 6.5 Sau Microsoft cải tiến viết lại engine cho SQL Server 7.0 Cho nên nói từ version ... Ðặt SQL Server 2000 (Installation) Các bạn cần có Developer Edition 64 MB RAM, 500 MB hard disk để install SQL Server Bạn install Windows Server hay Windows XP Professional, Windows 2000 Professional ... thêm thành phần khác SQL Server giới thiệu sau SQL Server Books Online loạt nói rõ dịch vụ SQL Server Books Online - Quyển Kinh Thánh thiếu: Cho dù bạn có đọc sách khác dạy SQL server bạn thấy...
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Báo cáo y học: "Optimization of 5-fluorouracil solid-lipid nanoparticles: a preliminary study to treat colon cancer"
... chemicals were of analytical grade Preparation of solid lipid nanoparticles Weighed amounts of soyalecithin and Dynasan were dissolved in 10 ml of dichloromethane Certain amounts of 5-FU was dissolved ... to emulsions and liposomes, the particle matrix of SLNs is composed of solid lipids The majority of lipids commonly used are triglyceride esters of hydrogenated fatty acids Hydrogenated cottonseed ... a complex with a variety of drugs through chemical bindings [8] The phenomenon of nanoparticles has been applied in a number of research approaches for the improvement of cancer therapeutics including...
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BT 3 optimization of medium for indole 3 acetic acid production using pantoea agglomerans strain PVM
... chemicals used were of the highest purity available and of analytical grade Screening, isolation and identification of micro-organism Isolation of the microbial strain capable of IAA production ... concentration contained 0Æ5 ml of enzyme extract and 2Æ5 ml of 0Æ5 mol borate buffer (pH 8Æ5) containing 0Æ1 lmol of pyridoxal phosphate, 40 lmol of l-tryptophan and 20 lmol of a-ketoglutarate The reaction ... minimum time course was preferred for further optimization by eliminating the other medium components of nutrient agar Effect of incubation time The effect of incubation time on IAA production was...
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Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 1: Thermodynamic model and parameter analyses
... the increase of ER Figure Effects of ER on the characteristics of Π opt and (ηex )Πopt versus π Figure Effect of ER on the characteristic of (π )Π versus π opt 4.3 Dimensionless profit rate versus ... always at the right-side of the peak value of the curve 4.2 The total pressure ratio is variable The effects of τ on the characteristics of the optimal dimensionless profit rate ( Π opt ) and ... increase of π , and approximately stays constant for different τ1 Figure Effects of τ on the characteristics of Π opt and (ηex )Πopt versus π Figure Effect of τ on the characteristic of (π )Π...
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Performance optimization of a PEM hydrogen-oxygen fuel cell
... understanding of the phenomena inside the cell They only correlate output with input Semi-empirical models are very useful for estimating the performance of PEM fuel cell stacks and optimization of fuel ... thermodynamic efficiency of the fuel cell E fc can be determined as the ratio of output work rate W gross to the product of the hydrogen consumption rate m H and the lower heating value of hydrogen LHV ... of the performance [3] The shifting of the polarization curves towards higher voltage at higher current densities when increasing the cell temperature is due to the increase of conductivity of...
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CFD for hydrodynamic efficiency and design optimization of key elements of SHP
... opening angle of 45º - velocity (v/vo) (a) and pressure (p/po) profiles Graph shows the layout of the velocity and pressure profiles along stretches immediately upstream and downstream of the valve ... opening angle of 20º - pressure distribution in a longitudinal section of a ball valve Figure shows the cavitation occurrence for a ball valve opening angle of 20º Immediately downstream of the valve ... the body of the valve (Figure 1b) As for membrane valve (Figure 1f), it works by pressing one side of the membrane through the actuator, restricting the passage of the flow This type of valve...
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Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 2: Heat conductance allocation and pressure ratio optimization
... has been the Director of the Department of Nuclear Energy Science and Engineering and the Director of the Department of Power Engineering Now, he is the Superintendent of the Postgraduate School, ... maximum dimensionless profit rate ( Π max ) max To search the optimal values of uh , ul , uk , ui and π , the numerical calculations are provided by using the optimization toolbox of Matlab 7.1 In the ... Figure Effect of τ on the characteristic of max Figure Characteristic of (u j )Πopt , and j = h, l , k , i (ηex )Π opt versus π (eout )opt versus π 2.2 Maximum dimensionless profit rate and...
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Exergoeconomic performance optimization of an endoreversible intercooled regenerative Brayton combined heat and power plant coupled to variable-temperature heat reservoirs
... Director of the Department of Nuclear Energy Science and Engineering, the Director of the Department of Power Engineering and the Superintendent of the Postgraduate School Now, he is the Dean of the ... Journal of Energy and Environment (IJEE), Volume 3, Issue 4, 2012, pp.505-520 Figure Effect of τ on the characteristic of (ui )Π versus π max 513 Figure Effect of τ on the characteristic of (π ... parabolic-like, but the value of (ηex )Π changes characteristics of (ηex )Π max, max, slightly with the changes of a and b The characteristic of (ηex )Π max, versus U T is similar to that of Π max, versus...
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Optimization of post combustion carbon capture processsolvent selection
... stripper are shown in Table Most of the specifications are recommended specifications for rate based model of the CO2 capture process by Aspen Tech [7], and some of them are taken from literature ... Cycle of an Existing Coal-Fired Power Plant Master Thesis, University of Waterloo, Canada, 2004 [3] Fluor for IEA GHG Program Improvement in Power Generation with Post-Combustion Capture of CO2 ... of Energy and Environment (IJEE), Volume 3, Issue 6, 2012, pp.861-870 869 [4] Michael A.D A model of vapour-liquid equilibria for acid gas-alkanolamine-water systems Ph.D Thesis, University of...
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Cooling load and COP optimization of an irreversible Carnot refrigerator with spin-1/2 systems
... Director of the Department of Nuclear Energy Science and Engineering, the Director of the Department of Power Engineering and the Superintendent of the Postgraduate School Now, he is Dean of the ... optimum criteria of a regeneration Bose-Otto engine Phys Scr., 2009, 79(5): 055004 [39] Bartana A, Kosloff R Laser cooling of molecular internal degrees of freedom by a series of shaped pulses ... Talents in University of People’s Republic of China (Project No NCET-041006) and The Foundation for the Author of National Excellent Doctoral Dissertation of People’s Republic of China (Project No...
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Cooling load optimization of an irreversible refrigerator with combined heat transfer
... coefficient of performance of a steady flow endoreversible heat pump cycle have been optimized using the theory of finite-time thermodynamics [12] Fine-time exergoeconomic performance of a Newtonian ... coefficient of the heat source, α is the absorption coefficient of the heat source and t is the time of absorbing heat process The emittance will be balanced uniformly by absorption for a thin slice of ... shows the variation of the cooling load with the temperature ratio ω for different values of the coefficient of performanceη Figure shows that there exists a maximum values of cooling load for...
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Hamilton–Jacobi–Bellman equations and dynamic programming for power-optimization of radiative law multistage heat engine system
... Director of the Department of Nuclear Energy Science and Engineering, the Director of the Department of Power Engineering and the Superintendent of the Postgraduate School Now, he is the Dean of the ... optimization results The total stage N = 100 of heat engines are shown with the step of in Figures 7-9 Table lists optimization results of the key parameters of the multistage endoreversible heat engine ... The pressure p of the photon flux is a function of the temperature T1 , which is given by p = 4σ BT14 / (3c ) according to the thermodynamics of radiation When effects of change of pressure p...
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Numerical simulation and optimization of CO2 sequestration in saline aquifers for enhanced storage capacity and secured sequestration
... assumptions, the number of independent variables reduces to two The injection rates of CO2 and the injection rates of water are chosen as the final optimization design variables Optimization of WAG operation ... the applications of Computational Fluid Dynamics and Numerical Optimization to the study of Carbon Capture and Geological Sequestration He is a member of the National Society of Professional Engineers, ... a typical lifespan of a PC power plant is around 30 years Thus, a total of 0.822 million metric tons of CO2 will be sequestered During the 600 days of injection, 20 cycles of alternating CO2-water...
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Treatment of semi-aerobic landfill leachate using durian peel-based activated carbon adsorption- Optimization of preparation conditions
... reported that the most effective removal of organic substances were achieved at the addition of 50.0 g L−1 of activated carbon; remove up to 86% of COD and 63% of NH4+-N Kurniawan and Lo [11] reported ... obtained by dividing the sum of the squares of each of the variation sources, the model and the error variance, by the respective degrees of freedom [19] If the value of Prob.>F less than 0.05, ... surface plot of COD removal of DPAC (effect of temperature and time, flow rate = 100 ml/s) Table Analysis of variance (ANOVA) for response surface quadratic model for color removal of DP activate...
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Finite time exergoeconomic performance optimization of a thermoacoustic heat engine
... has been the Director of the Department of Nuclear Energy Science and Engineering and the Director of the Department of Power Engineering Now, he is the Superintendent of the Postgraduate School, ... International Journal of Energy and Environment (IJEE), Volume 2, Issue 1, 2011, pp.85-98 89 Assuming that the prices of power output and the exergy input rate be ψ and ψ , the profit of the thermoacoustic ... be potential profitable, the following relationship must exist: < ψ ψ < , because one unit of exergy input rate must give rise to at least one unit of power output As the price of power output...
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Optimization of design and operating parameters on the year round performance of a multi-stage evacuated solar desalination system using transient mathematical analysis
... is refined latent heat of vaporization of water at the condenser surface of last stage (J/kg), h fgNs is latent heat of vaporization of water at the condenser surface of the last stage (J/kg), ... sensitivity of membranes to fouling problems It has been estimated by that the production of 1000 m3 per day of freshwater requires 10,000 tons of oil per year [1] Considering the energy costs of recent ... months of January to June Figure shows the variation of global solar radiation and the ambient temperature for the months of July to December The maximum radiation occurs in the month of March of...
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Thermoeconomic optimization of the steam power plant
... temperature of electric cost The optimum operating values have been carried out with the application of thermoeconomic optimization equation for steam power plant system in the range of design ... of thermal, chemical and metallurgical processes, Hemisphere Publishing, 1988 [8] Dingeç, H., Thermoeconomic Optimization of Simple Refrigerators, Master Thesis, M.E.T.U The Graduate School of ... received by the way of one missing from the unknown number So the input cost of another element can be calculated If this calculation is applied to all the elements in order, the cost of the last element...
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Optimization of injection timing and injection pressure of a DI diesel engine fueled with preheated rice bran oil
... case of preheated rice bran oil From the Figure it can be observed that the order of magnitude of the brake thermal efficiency of the test fuels is exactly the reverse order of the magnitude of ... bTDC of injection timing and 230 bar of injection pressure Similarly the brake thermal efficiency was lower at 21°CA bTDC of injection timing and 230 bar of injection pressure The oxides of nitrogen ... a higher BSFC at all loads The BSFC of rice bran biodiesel is higher than that of diesel This is because the heating value of biodiesel is lower than that of diesel That is to develop the same...
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Optimization of PCR
... Lopez-Molina, Laboratory of Plant Molecular Biology, Rockefeller University.) Optimization of PCR 75 4.3 Template DNA preparation and inhibitors of PCR PCR may be inhibited by a wide range of compounds derived ... product and a high background of nonspecific products then empirical determination of an optimal annealing temperature may be necessary, coupled with optimization of the MgCl2 concentration (see ... than the Tm of the primers and then at each of the earlier cycles of the PCR the annealing temperature is lowered gradually to below the Tm This ensures that only specific annealing of the primers...
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Executing Multiple SQL Statements
... mySqlDataReader[0] = 10248 mySqlDataReader[1] = VINET mySqlDataReader[0] = 10249 mySqlDataReader[1] = TOMSP mySqlDataReader[0] = 10250 mySqlDataReader[1] = HANAR mySqlDataReader[0] = 10251 mySqlDataReader[1] ... mySqlDataReader[0] = mySqlDataReader[1] = Chang mySqlDataReader[0] = mySqlDataReader[1] = Aniseed Syrup mySqlDataReader[0] = mySqlDataReader[1] = Chef Anton's Cajun Seasoning mySqlDataReader[0] = mySqlDataReader[1] ... statements: { while (mySqlDataReader.Read()) { Console.WriteLine("mySqlDataReader[0] = " + mySqlDataReader[0]); Console.WriteLine("mySqlDataReader[1] = " + mySqlDataReader[1]); } } while (mySqlDataReader.NextResult());...
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