solid liquid separation for pretreatment of drying operation
ISOTOPE HYDROGRAPH SEPARATION FOR MODELING OF RUNOFF MECHANISMS OF ATMOSPHERICALLY DERIVED CHEMICAL AND RADIOACTIVE POLLUTANTS
... that of oxygen in our measurement, considering of their respective analytical errors A concept of two-component mixing was employed, in which it was assumed that runoff is composed of a mix of ... amount-weighed mean δD of the precipitation samples (-28.1 ‰), and C2 was set to the δD of the river water just before the precipitation event (-47.9 ‰) For the main part of the runoff that is described ... and by setting C1 and C2 as mentioned above, the fraction of new water evaluated for the main part of the runoff (0000 of Oct 22 to 1600 of Oct 23, 40 h in total) was found to be as shown in Fig...
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Feasibility study of upflow anaerobic filter for pretreatment of municipal wastewater
... as one of the alternative sources for water, especially for regions that face water scarcity issues Therefore, reclamation of wastewater has the double advantage of reducing the demand for fresh ... reactor, either by the biofilm formed on the surface of the packing medium or by the retention of solids in the interstices of the medium or below it The main purposes of the packing media are ... extended from the cell to form a tangled mass of fibers, termed a glycocalyx The entire deposit is called a biofilm The accumulation and persistence of a biofilm is the net result of several physical...
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Growth of amorphous silicon nanowires via a solid–liquid–solid mechanism
... consists of nanoparticles of a few Fig Schematic depiction of SiNW growth by the SLS mechanism: Ža deposition of a thin layer of Ni on the Si Ž111 substrate; Žb formation of the Si–Ni eutectic liquid ... of Si atoms through the substrate liquid ŽSL interface into the liquid droplets, and growth of SiNWs through the liquid wire ŽLS interface; Žd final state of SiNW growth The smooth surface of ... 9308C, and forms Si Ni eutectic liquid alloy droplets Because of the relatively high solubility of Si in Si Ni eutectic alloy, more Si atoms will diffuse through the solid Žsubstrate liquid interface...
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Controlled growth of oriented amorphous silicon nanowires via a solid–liquid–solid (SLS) mechanism
... as Si source via a solid liquid solid mechanism by heating They have uniform length and diameter The growth is explained by solid liquid solid model This synthesis method of oriented SiNWs is ... (a) deposition of a thin layer of Ni on the Si (111) substrate; (b) formation of the Si–Ni eutectic liquid droplets; (c) the continuous di usion of Si atoms through the substrate liquid (S–L) interface; ... C, and forms Si2 Ni eutectic liquid alloy droplets Because of the relatively high solubility of Si in Si2 Ni eutectic alloy, more Si atoms will di use through the solid (the substrate) –liquid...
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Báo cáo khoa học: Surface density of cellobiohydrolase on crystalline celluloses A critical parameter to evaluate enzymatic kinetics at a solid–liquid interface ppt
... to Professor Gunnar Johansson (Department of Biochemistry, University of Uppsala) for valuable discussions about the kinetics of cellobiohydrolases We thank Dr K Noguchi (Tokyo University of Agriculture ... presumably because of the differences of surface area and ⁄ or surface structure There are several techniques to estimate the surface area of solid cellulose from the amounts of FEBS Journal 273 ... parameter to express the adsorption of cellobiohydrolase relative to the maximum amount of adsorption of the enzyme (Amax), in order to obtain the specific activity of Cel7A for crystalline cellulose This...
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API - 2510A - Fire-Protection Considerations for the Design and Operation of Liquefied Petroleum Gas (LPG) Storage Facilities
... Institute FOREWORD This publication covers aspects of the design, operation, and maintenance of liqueÞed petroleum gas (LPG) storage facilities from the standpoints of prevention and control of releases, ... Considerations for the Design and Operation of Liquefied Petroleum Gas (LPG) Storage Facilities SECTION 1—GENERAL 1.1 Scope vessel with a full inventory of LPG The probability of this type of failure ... 1) b The density of the liquid is approximately half that of water, and thus water will settle to the bottom in LPG c Small quantities of liquid will yield large quantities of vapor as shown...
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principles of chemical reactor analysis and design new tools for industrial chemical reactor operations
... rate of a chemical reaction, mole extent/time volume Volume-based rate of formation of species j, mole j/time volume Surface-based rate of formation of species j, mole j/time surface area of catalyst ... presentation of the pathway of the chemical transformation As an elementary reaction The chemical formula is essentially the selection of a framework (or a “basis”) for the calculation of chemical transformations ... of mass, and its units are mole extent For example, for Reaction 2.2.1, one extent means that one mole of CO reacts with half a mole of O2 to form one mole of CO2 and it represents 44 units of...
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solid-liquid filtration and separation technology
... Clarification of dilute solids Type II Clarification of dilute flocculated solids Type III Mass settling of high concentrationsof flocculant solids Type IV Compression of settled solids Type settling ... Q=utE (1.7) which forms the basis of the sigma theory of solid- bowl centdkgation The power of such 22 I Solid Liquid Separation Technology machines relates to the high v h e s of Z which are avahble, ... quantity of liquid to be filtered and, therefore, the size of filter needed for the separation Having decided upon the general separation method, the next stage is to consider the various separationaltechniques...
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Preparation, characterization and application of heterogeneous solid base catalyst for biodiesel production from soybean oil
... waste oils Unfortunately, the performances of these acid catalysts are still inferior compared with the base catalysts For this reason, a wide variety of solid bases have been examined for transesterification ... of the basic solids for the transesterification of soybean oil with methanol A screening of the reaction conditions has been carried out by examining the effect of the concentration of catalyst, ... muffle for 12 h at 600 C After impregnation, the catalysts were dried for 12 h at 100 C and then the solid was calcined in a muffle furnace at designed temperature for 12 h before use for the...
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measurement of solid liquid interface temperature during pulsed excimer laser melting of polycrystalline silicon films
... Department of Energy, Of ce of Basic Energy Sciences, Division of Chemical Sciences, under Contract No DEAC03-76SF00098 The authors also want to acknowledge the help of Andrew C Tam of IBM Almaden ... equation, W is the impedance of the oscilloscope ͑50 ⍀͒, ͑͒ the spectral transmission of the lenses and filters, D() the responsivity of the germanium diode ͑in units of A/W͒, ⑀Ј͑,,,T͒ the directional ... of incident energy as an indication of the actual energy coupled to the material Calculation of maximum melt depth versus laser fluence is presented in Fig 3͑d͒ Thermal emission from the top of...
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the chemical laboratory its design and operation a practical guide for planners of industrial, medical, or educational facilities
... nor liability for errors or any consequences arising from the use of the information contained herein Final determination of the suitability of any information, procedure, or product for use contemplated ... aspects of planning Only he can estimate space requirements, check a proposed layout for practical and safe operation, and recommend allowances for future expansion Regardless of the amount of professional ... than creature comfort for those working in a laboratory Conditions of reasonably constant temperature and humidity are important for the proper performance of many laboratory operations Conventional...
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Báo cáo lâm nghiệp: " Comparison of three methods to determine optimal road spacing for forwarder-type logging operations" pdf
... summary and road spacing for one-way forwarding using the forwarding model two-way forwarding, Sundberg’s formula yields the optimal road spacing of 557.7 m For one-way forwarding, the optimal ... Matthews’ formula Two-way forwarding To calculate the travelling cost, the average travelling time of 9.98 per cycle for an average forwarding distance of 96.64 m was used The time of extraction ... the optimal road spacing for two-way and one-way forwarding using Matthew’s formula of 2,784 m and 1,969 m respectively Sundberg’s formula Considering Cnet of and p of 0.25 as average value and...
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Báo cáo y học: "Daptomycin for treatment of methicillin-resistant Staphylococcus epidermidis saphenectomy wound infection after coronary artery bypass graft operation (CABG): a case repor" ppt
... hypercholersterinemia and performance of PTCA of the left coronary artery in 2002 In the Department of Thoracic-, Cardiac- and Vascular Surgery of the University of Goettingen, Germany, we performed CABG with ... design of the study and performed the statistical analysis SAM participated in the design of the study and performed the statistical analysis AW participated in the design of the study and performed ... was obtained from the patient for publication of this case report and accompanying images A copy of the written consent is available for review by the Editor-in-Chief of this journal Acknowledgements...
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Enrichment separation and determinations of cadmium(II) and lead(II) 1 phenyl 1h tetrazole 5 thiol chelates on diaion SP 207 by solid phase extraction flame atomic absorption spectrometry
... the effects of pH of the aqueous Table Because the flow rates of sample solution and eluent solutions are two important parameters for the quantitative retention of analytes on the solid phase ... Dispersive liquid liquid microextraction; MF: Membrane filtration; LOD: Limit of detection samples The performance of this work was compared with some enrichment works in Table The detection limit of ... authors are grateful for the financial support of the Unit of the Scientific Research Project of Erciyes University Zeynep Topalak would like to thank to Erkan Yilmaz for his helps Prof Dr Mustafa Soylak...
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Applications of oligopeptides and liquid crystals for chemical sensing
... APPLICATIONS OF OLIGOPEPTIDES AND LIQUID CRYSTALS FOR CHEMICAL SENSING DING XIAOKANG (M ENG., UNIV SCI & TECH BEIJING) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL ... TABLE OF CONTENTS ACKNOWLEDGEMENTS TABLE OF CONTENTS SUMMARY LIST OF TABLES 10 LIST OF FIGURES 11 LIST OF SYMBOLS 17 LIST OF ABBREVIATIONS ... 100 µg/mL of Cys-P1 and Cys-P2 84 Figure 4.5 (A) Response of a Cys-P1 modified SPR gold chip to 10μM of thiacloprid (solid) and 10μM of imidacloprid (dashed), and (B) Binding curve of Cys-P1...
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Applications of metal compounds and cholesteric liquid crystals for chemical sensing
... exploited for developing optical sensors is based on molecular orientation of liquid crystals. Liquid crystal is a phase of matter between solid and liquid. Liquid crystals ... angle of CLC layers wavelength light angle of incidence binding constant effective refractive index of cholesteric liquid crystals pitch of cholesteric liquid crystals effective pitch of cholesteric ... 2 performance of metal compounds as molecular receptors for binding with VOCs. 1.2. Applications of cholesteric liquid crystals (CLCs) for chemical sensing Chemical sensors for VOCs also can be developed by...
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