Optimization of microwave, ultra sonic and supercritical carbon dioxide assisted extraction techniques for curcumin from curcuma longa
extraction of liquid crystals from flat panel display devices using both liquid and supercritical carbon dioxide
... benign solvents for extraction of liquid crystals from display devices. Typically the recovery with liquid carbon dioxide was in excess of 96% after 15 minutes. Extractions with carbon dioxide demonstrate ... 9 tonnes of liquid crystal per year with a potential value of tens of millions of dollars.[2] Herein we demonstrate that both liquid and supercritical carbon dioxide are effective and environmentally ... Demonstration of the disassembly of a defunct LCD Carbon dioxide extraction was carried out using a Thar Technologies SFE-500F-2-FMC System and liquid withdrawal carbon dioxide (99.9 %). The extraction...
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báo cáo hóa học: " Joint optimization of MIMO radar waveform and biased estimator with prior information in the presence of clutter" pot
... Li1 and Hui Lv1AbstractIn this article, we consider the problem of joint optimization of multi-input multi-output (MIMO) radar waveform and biased estimator with prior information on targets of ... 2011:15http://asp.eurasipjournals.com/content/2011/1/15Page 10 of 13RESEARCH Open AccessJoint optimization of MIMO radar waveform and biased estimator with prior information in thepresence of clutterHongyan Wang1*, Guisheng ... uncorrelated) waveforms befor ewaveform optimization. In this article, our main interestis only to improve the accuracy of location estimationby optimizing transmitted waveforms. One can see from Section...
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Báo cáo hóa học: "Preparation of Aligned Ultra-long and Diameter-controlled Silicon Oxide Nanotubes by Plasma Enhanced Chemical Vapor Deposition Using Electrospun PVP Nanofiber Template" potx
... werebaked at 80°C for 10 h, coated for 10 min and removed byannealing. Most of the nanotubes are straight and haveuniform dimensions along their entire lengths. The averageouter diameter of the nanotubes ... nanofibers were baked from 80 to 150°C for 8–10 h and coated for 6–15 min, but it stillkept suspended and tight with a length of 4 mm, indicatingthat PVP has good thermal and mechanical stability. ... is optical micrograph of suspended aligned core–shell nanofiber array from one of the samples shown inFig. 2a. From Figs. 1 and 2, it was clearly that well-aligned and ultra- long PVP nanofibers...
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Thermodynamic analysis of gas – steam combined cycle with carbon dioxide (CO2) emissions saving
... mass of coal burnt. This is given by: fccfCOmCQ,,2η××= (21) where C is the carbon fraction of the fuel (coal) and it can be obtained from the molecular formula of coal C135H96O9NS and ... O. and Prasad B. N., “Thermodynamic Modeling and Simulation of Advanced Combined Cycle for Performance Enhancement”, Proceedings of the Institution of Mechanical Engineers, Part A: Journal of ... 229Figure 7 shows the carbon dioxide (CO2) emissions from the proposed cycle and the coal-fired thermal power plant. For CIT = 280 K, TIT = 1600 K and CPR = 14, the mass of steam utilized by...
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Báo cáo y học: "Ultra-low microcurrent in the management of diabetes mellitus, hypertension and chronic wounds: Report of twelve cases and discussion of mechanism of action"
... types of diabetes mellitus. High levels of free radicals and the decline of antioxidant defense mechanisms lead to damage of cellular or-ganelles and enzymes, increased lipid peroxidation, and ... reserved Research Paper Ultra- low microcurrent in the management of diabetes mellitus, hyper-tension and chronic wounds: Report of twelve cases and discussion of mechanism of action Bok Y. Lee ... the pathogenesis of both types of diabetes mellitus and cardiovascular diseases including hypertension. The low levels of antioxidants accompanied by raised levels of markers of free radical...
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Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 1: Thermodynamic model and parameter analyses
... analyzing and optimizing performance of various thermodynamic cycles and devices. In recent years, some authors have performed the performance analysis and optimization for various cogeneration ... efficiency) and second law (exergetic efficiency) of thermodynamics and investigated the effects of overall pressure ratio, cycle temperature ratio and pressure losses on the performance of the cogeneration ... overall and component efficiencies and to identify and assess thermodynamic losses. Khaliq [3] performed the exergy analysis of a gas turbine trigeneration system for combined production of power...
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CFD for hydrodynamic efficiency and design optimization of key elements of SHP
... utility of the CFD numerical simulations as a tool for design and optimization of hydropower performance and flow behavior through hydromechanical devices or hydraulic structures of intake and ... are composed of a set of pipes, valves and other hydromechanical equipments necessary for adequate operational management, control and safety. International Journal of Energy and Environment ... equations, which are formulations of mass, momentum and energy conservation laws for fluid flows. This CFD model is able of predicting both laminar and turbulent flows. Most of the fluid flows...
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Exergoeconomic performance optimization of an endoreversible intercooled regenerated Brayton cogeneration plant Part 2: Heat conductance allocation and pressure ratio optimization
... It can be seen from Figure 2 that with the increase of 1π, ()opthuΠ and ()optkuΠ decrease first and then increase, ()optluΠ International Journal of Energy and Environment ... Characteristic of ,, ,,()optj jhlkiu=Π and ()optexηΠ versus 1π 2.2 Maximum dimensionless profit rate and corresponding exergetic efficiency Figures 3 and 4 show the characteristics of ... (1) When the optimization is performed with respect to the five heat conductance allocations of the hot-, cold- and consumer-side heat exchangers, the intercooler and the regenerator for a fixed...
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Exergoeconomic performance optimization of an endoreversible intercooled regenerative Brayton combined heat and power plant coupled to variable-temperature heat reservoirs
... a powerful tool for analyzing and optimizing performance of various thermodynamic cycles and devices. Some authors have performed the performance analysis and optimization for various CHP plants ... [40] and refrigerator [41]. On the basis of Refs. [32-41], Tao et al [42, 43] performed the finite time exergoeconomic performance analysis and optimization for endoreversible simple [42] and ... minHC and maxHC are the smaller and the larger of the two capacitance rates HC and wfC, minLC and maxLC are the smaller and the larger of the two capacitance rates LC and wfC,...
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Optimization of post combustion carbon capture processsolvent selection
... as 3634.2, 3736.4, and 4185.5 kJ/kg CO2 for the 85, 90, and 95% CO2 removal process for coal fired power plant and 3781, 4050, and 4240 kJ/kg CO2 for 85%, 90%, and 95% for gas fired power ... Mohammad A. Carbon dioxide capture from flue gas. Ph.D Thesis, University of Delft, Netherland, 2009. [9] Bravo J.L., Rocha J.A. and Fair J.R Mass Transfer in Gauze Packings. Hydrocarbon Processing, ... presently pursuing his Ph.D in Carbon dioxide capture from power plants- modeling and simulation studies from Telemark University College,Porsgrunn, Norway. He has presented and published five paper...
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Từ khóa: georouting and delta gathering efficient data propagation techniques for geosensor networksmodeling simulation and optimization of industrial fixed bed catalytic reactorsmodelling simulation and optimization of industrial fixed bed catalytic reactors pdfassembly structure and performance of an ultra thin film organic field effect transistor ofet based on substituted oligothiophenesbasics of nuclear magnetic resonance and its application to carbon alloysoptimization of the needleman and wunsch algorithms rebello p v samant j l figueiredo and j b fernandes enhanced electrocatalytic activity of carbon supported mnox ru catalysts for methanol oxidation in fuel cells j power sources 153 2006 36 40identification and optimization of dna aptamer binding regions using dna microarrayseconomics of forest and agricultural carbon sinksdepartment of agriculture gao contacts and staff acknowledgmentsthe future of reputation gossip rumor and privacyautomatic evaluation of text coherence models and representationsimpacts of ozone on trees and cropsfaculty of foreign languages literature and linguisticsinteraction of electrons with acoustic and optical phononsNghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngNghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoạiđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longNghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùngNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Thiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíSở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXTăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtTrách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)QUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ