effect on food quality and stability
FOOD PROCESS ENGINEERING AND TECHNOLOGY pptx
... 1995) Consider a liquid food product, such as honey, consisting of a concentrated aqueous solution of sugars The physical properties and stability of such a solution depend on two variables: concentration ... nutraceuticals and functional foods Food Technol 60(3), 30–36 Chirife, J and Iglesias, H.A (1978) Equations for fitting sorption isotherms of foods J Food Technol 13, 159–174 Choi, Y and Okos, M.R (1986) Effect ... polymers and concentrated suspensions are non-Newtonian Their viscosity depends on the shear rate For non-Newtonian liquids Eq (2.2) is not linear A more detailed discussion of non-Newtonian flow...
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công nghệ và kỹ thuật chế biến thực phẩm
... water in foods h 162 W t r activity, definition a d determination ae n 163 W t r activity: prediction ae 164 W t r vapor sorption isotherms ae 165 W t r activity: effect on food quality a d stability ... m 56 Control m ds (control algorithms) oe 5.6.1 On- off (binary) control 5.6.2 Proportional (P) control 5.6.3 Integral (I) control 5.6.4 Proportional-integral (PI) control 5.6.5 Proportional-integral-differential ... Agglomeration 54 22.8 E eg consumption in drying nr y 54 22.9 Osmotic dehydration 57 23 Freeze drying (lyophilization) and freeze concentration 511 23.1 Introduction 51 23.2 Sublimation ofwater...
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Effect of Process Parameters on the Degradation of Polychlorinated Biphenyls in Water Matrix using UV/H2O2
... determine the effects of initial H2O2 concentration, initial pH of the solution and initial PCB concentration on the degradation of PCBs in water matrix - 10 - Journal of Water and Environment Technology, ... inhibiting effect on PCB degradation In this study, effective degradation was obtained at H2O2 concentration of about 2800 ml (of the 30%H2O2 solution) per liter and initial PCB concentration of about ... PCB solutions Effect of Initial PCB Concentration The results of the degradation of PCBs at different initial concentrations are shown in Figs and In all the initial PCB concentrations used,...
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inorganic ion exchangers
... capacity and good stability in acid and oxidizing solutions and when exposed to high temperatures and ionizing radiation Because of these properties, their potential uses for the puriRcation of ... kinetic limitations A particular example of when the desired ion Figure The principal reasons for limitations to ion exchange reactions found in zeolites (A) Ion-sieving; (B) volume exclusion; (C) low ... Data were determined at 253C and at a solution concentration of 0.1 mol L\1 (Reproduced with permission from Barrer RM and Munday BM (1971) Cation exchange reactions of zeolite NaP Journal of...
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ion exchange
... Often they arise from solutions containing only the ingoing ion placed in contact with the exchanger, only one ion is analysed in one phase, and various units of concentration are used These simple ... (‘solid cation’ or ‘Rxed ion’) and X and Y are exchanging anions moving reversibly between solid and liquid phases The ion pairs, A, B and X, Y are called ‘counterions’ An ion which is mobile and has ... MA form The total ionic concentration of the ions A and B in the respective solutions is kept constant, i.e each solution has the same normality (N) but, as the concentration of B increases it...
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Báo cáo hóa học: " Multiple Wavelength InGaAs Quantum Dot Lasers Using Ion Implantation Induced Intermixing" potx
... than the electrons in the as-grown sample Interdiffusion has the same effect on hole energy levels as that on electron energy levels, but we only discuss the effect of interdiffusion on carriers ... carrier confinement in the active region of the devices is determined by the separation between the GaAs (barrier) band edge and the QD energy levels (Econf in Fig 1) Assuming a conduction band offset ... region is blue shifted with respect to peak P1 from the un-implanted region Under the implantation and annealing conditions used in this study, the differential shift is *19 meV Peaks P2 and...
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Báo cáo khoa học: "Effects of water supply on gas exchange in Pinus pinaster Ait. provenances during their first growing season" potx
... Summer dryness conditions they live in, in contrast to the Landes families which are shown as water consumers in such situation On the other hand, under water shortage conditions (R2), the decrease ... limitations, water stress (R2) provokes nonstomatal limitations to CO2 assimilation by reducing %Nneedles and ANneedles The relationship between A/E and ANneedles indicates a positive effect of ... Chaves M.M., Effects of water deficits on carbon assimilation, J Exp Bot 42 (1991) 1-16 [8] Cowan I.R., Regulation of water use in relation to carbon gain, in: Lange O.L., Nobel P.S., Osmond C.B.,...
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Báo cáo y học: "The effectiveness of hand-disinfection by a flow water system using electrolytic products of sodium chloride, compared with a conventional method using alcoholic solution in an" ppt
... advantage of: • Convenient online submission • Thorough peer review • No space constraints or color figure charges • Immediate publication on acceptance • Inclusion in PubMed, CAS, Scopus and Google ... for Professional in Infection Control and Epidemiology, Inc (APIC) has recommended that hand washing be performed after every contact with a patient to prevent nosocomial infection [8] Several ... might be an effective measure for the prevention of nosocomial infection However, further clinical investigation concerning compliance and costs of the system would be required to finally conclude...
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Ballast water treatment using electrochemical disinfection technology
... Disinfection study with iso-propanol as radical scavenger 178 7.4 Effect of salt (chloride free) on disinfection CHAPTER 8: CONCLUSIONS AND RECCOMONDATIONS 180 184 8.1 Conclusions 184 8.2 Recommendations ... “International Convention for the Control and Management of Ships BW and Sediments” is one such important regulation, which will be come into force by 2012 Regulations on “ballast water” (BW) is one ... Disinfection using heating 64 3.3.3 Deoxygenation using Nitrogen bubbling 64 3.4 Detection of disinfectants 64 3.4.1 Determination of chlorine concentration 64 3.4.2 Determination of ozone concentration...
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Protein separation in ion exchange membrane partitioned free flow isoelectric focusing (IEM FFIEF) system
... amination rates are blended with polysulfone and cast on non-woven fabric by the phase inversion technology Characterizations of XPS scanning, streaming potential and ionexchange capacity (IEC) demonstrate ... pore, in nm Cbi Concentration of ions dissociated from buffer solution, in mole.L-1 C if Concentration of ionic species i in feed chamber, in mole.L-1 Cim Concentration of ionic species i in ... requirement of protein separation Malone and Anderson proposed an approximate model taking into account the contributions of the electrostatic and dispersion forces to the partition coefficient [38,39]...
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Mapping the binding site of ligands to proteins using chemical exchange parameters by NMR spectroscopy
... components at λ1 and λ2 rather than signals MA and MB [80, 82, 84] Both MA and MB contribute to the component peaks at λ1 and λ2 Addition of the λ1 components from MA and MB and the λ2 components ... (3.8) 3.3.2 Correction for free ligand concentration In the above equations the free ligand concentration [L] appears rather than total ligand concen- tration [LT ] The determination of [L] from [LT ... L Free protein and ligand P Bound complex L + P Dissociated complex L : No NOE for unbound ligand conformation L : Strong NOE for bound ligand conformation Fig 1.1: Illustration of transfer NOESY...
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Humic acid removal from aqeous solution by hybrid eletrodialysis ion exchange
... parameters effect 74 5.2.3.1 Voltage effect 76 5.2.3.2 Electrolyte concentration effect 78 5.2.3.3 Flow rate effect 80 5.2.3.4 HA concentration effect 81 5.2.3.5 pH effect 83 5.2.3.6 Ionic strength effect ... parameters effect 92 6.2.4.1 Voltage effect 94 6.2.4.2 Electrolyte concentration effect 97 6.2.4.3 Flow rate effect 98 6.2.4.4 HA concentration effect 99 6.2.4.5 pH effect 100 6.2.4.6 Ionic strength effect ... electrolyte concentration, the vii flow rate of HA solution, the HA concentration, the pH of HA solution, the ionic strength of HA solution and the Cu2+ concentration in HA solution Higher voltage...
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Ion exchangersPhương pháp trao đổi ion
... Substitution Recovery and Concentration Separation Diffusion Catalysis Dehydration Coalescence on Oleophilic Resins Liquid Ion Exchangers 12.1.10 Ion-Exchange Membranes 12.2 Technical Considerations ... solution and replaced by a worthless one Similarly, a toxic ion (e.g., cyanide) can be removed from solution and replaced by a nontoxic ion Separation A solution containing a number of different ions ... place by diffusion only Strong convection (i.e., high flow rate) decreases film thickness The ion concentration is practically constant outside the Nernst film, and a concentration gradient occurs...
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Báo cáo y học: " Rationale for one stage exchange of infected hip replacement using uncemented implants and antibiotic impregnated bone graft"
... bacteria and provide no protection against biofilm colonisation 25-28 Reconstruction of defects seems to be favourable with regard to possible further revisions Allograft bone is widely used for reconstruction ... based publications, no randomized data and only few metaanalyses available on the topic Many protocols base on assumptions making the treatment “more art than science” Several reasons for difficulties ... polymicrobial colonisation is rather the rule than the exception after prolonged persistence of infection10 All these findings indicate that the incidence and dimension of prosthetic joint infection is...
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PREDICTION OF ATRAZINE FATE IN RIPARIAN BUFFER STRIPS SOILS USING THE ROOT ZONE WATER QUALITY MODEL
... D.L., and Watts, G.D (1999) Evaluation of the Root Zone Water Quality Model for conditions in central Nebraska., Agron J Vol.91:201-211 Mickelson, S.K and Baker, J.L (1993) Buffer strips for controlling ... Vol.41:627-637 Landa, F.M., Fausey, N.R., Nokes, S.E., and Hanson, J.D (1999) Plant production model evaluation for the Root Zone Water Quality Model (RZWQM 3.2) in Ohio., Agron J Vol.91:220-227 Leonard, ... Soil Conservation Service Farahani, H.J., Buchleiter, G.W., Ahuja, L.R., Peterson, G.A, and Sherrod, L.A (1999) Seasonal evaluation of the Root Zone Water Quality Model in Colorado., Agronomy...
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Water Treatment Technology Using Carbonaceous Materials Produced from Vegetable Biomass
... mechanism of lead ion adsorption onto WB and WB2 - is adsorption by the protein in WB, and the mechanism of adsorption onto WB8 and WB10 is adsorption by the pores formed due to carbonization Amounts ... competitive adsorption of lead ions and calcium ions A drop in lead ion adsorption accompanying a rise in calcium ion concentration has been recognized with zeolite and clay minerals, and thus it has ... experimental conditions close to conditions for practical use, the initial concentrations of lead ions and calcium ions were set to 600 µg/L and 10 mg/L, respectively, in the adsorption experiments...
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Simulation of the thermal borehole resistance in groundwater filled borehole heat exchanger using CFD technique
... also investigated; simulations M1-6 and M13-18 use constant temperature and M7-12 and M19-24 use constant heat flux Figure Flow chart of performed simulations and sections where the result is presented ... modelling approximations and boundary conditions It is also seen that THT results in almost the same value independent of boundary condition and model The choice of boundary condition will radically ... boundary conditions on the pipe wall where constant heat flux and constant temperature are compared The other is the equivalent radius approximation, which is compared to a three-dimensional U-pipe...
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Production of hydrogen using composite membrane in PEM water electrolysis
... Pd on Activated carbon is mixed with wt % Nafion solution and coated on a composite membrane on one side as hydrogen electrode (Cathode) and RuO2 is mixed with wt% Nafion solution is coated on ... production of hydrogen The characterization studies of the Composite membrane are done by ion exchange capacity (IEC) and FT-IR Materials and methods 2.1 Materials TiO2, NaCl, NaOH, and 10 wt% Pd on ... bonds The strong absorption centered at 710.55 cm-1 is the typical Ti-O-Ti vibration [21-23] The characteristic peak of – SO3- group of Nafion of 1240 and 1132 cm-1.Moreover the adsorption band...
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Tài liệu Module 3: Accessing Exchange 2000 Data by Using ADO 2.5 doc
... to create a conditional clause that must be met for records to be returned To chain conditions together, use the AND and OR keywords Use the following syntax: WHERE condition Condition can be a ... syntax and function Set conn = CreateObject("ADODB.Connection") Set conn = CreateObject("ADODB.Connection") conn.Provider = "ExOLEDB.DataSource" conn.Provider = "ExOLEDB.DataSource" conn.Open "http://servername/public/documents/" ... "WHERE FREETEXT(' ""New York London Paris"" ')" "WHERE FREETEXT(' ""New York London Paris"" ')" "AND CONTAINS(' ""Executive Conference"" ')" "AND CONTAINS(' ""Executive Conference"" ')" Set rs = CreateObject("ADODB.Recordset")...
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Tài liệu Module 9: Using XML to Exchange Data pptx
... such an attribute It can contain no stand-alone text because its content is defined as eltOnly (element only) and it has a closed content model, meaning that it can only contain what is defined ... only one of a set of related standards The World Wide Web Consortium defines the standard for XML and the other technologies in the XML family For more information about the XML family of standards, ... that the document contains XML and indicates the version of the XML specification to which it conforms The XML declaration belongs to a family of tags called processing instructions ! Encoding The...
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