processing handling and storage on toxin stability

Role of an electrolyte and substrate on the stability of porous silicon

Ngày tải lên : 16/03/2014, 15:19

... (ethanol-based) in conjunction can have 271 a profound effect in improving the luminescent properties and stability of porous silicon ﬁlms Conclusions The visual observation of mechanically strong, stable ... formed on textured and polished Si substrates, respectively The emphasis is mainly 265 on the development of PS with high and stable PL, control of pore size distribution and therefore a better control ... formation of stable and thick porous silicon ﬁlms [13] In this paper, using PL decay as a probe, we are evaluating the degradation of stability of PS on electrolyte (HF–C2H5OH and HF–H2O2) and current...

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Báo cáo khoa học: Effect of ﬂanking bases on quadruplex stability and Watson–Crick duplex competition pptx

Ngày tải lên : 07/03/2014, 02:20

... association constant, [Q]0 is the total G-strand concentration, and [C] is the complementary strand concentration From Eqns (6) and (7), it can be shown that: 5ị Equations and are linear equations ... nm excitation and 520 nm emission lters The wells were loaded with solutions of a xed concentration of preformed quadruplex (50 nm) and increasing concentrations of complementary strand (01 lm) ... 29082916 12 Simonsson T, Pecinka P & Kubista M (1998) DNA tetraplex formation in the control region of c-myc Nucleic Acids Res 26, 11671172 13 Simonsson T & Henriksson M (2002) c-myc suppression in Burkitts...

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Báo cáo khoa học: Context-dependent effects of proline residues on the stability and folding pathway of ubiquitin docx

Ngày tải lên : 07/03/2014, 16:20

... folding, and how other factors relating to desolvation of polar groups, conformational dynamics and hydrogen bonding also contribute [60] The observation of a positive entropy of activation (DSà) ... function of GdmCl concentration The data show that in each case the fraction unfolded ﬁts well to a two-state transition with the observation of a range of midpoint denaturant concentrations, ... Ribbon structure modelled on the X-ray structure of human ubiquitin [32] The position and orientation of the side chains of Pro19, Pro37 and Pro38 are highlighted along with the F45W mutation...

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Báo cáo khoa học: Effects of the G376E and G157D mutations on the stability of yeast enolase – a model for human muscle enolase deﬁciency pdf

Ngày tải lên : 16/03/2014, 06:20

... the protein was dimeric under our standard conditions of mgÆmL)1 and 15 °C Physiological conditions of ionic strength and temperature promoted the dissociation of both variants This is not surprising, ... Mg(OAc)2 and 0.1 mm EDTA] containing mm phosphonoacetic acid and about mg each of DNase and RNase The suspension was sonicated, on ice, using six 30 s bursts per 10 g of cell paste The suspension was ... mobile region, residues 37–41, which folds over the active site on binding of substrate and divalent cation We have observed differences, at positions 56 and 49, between the dimeric and monomeric...

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Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) pptx

Ngày tải lên : 17/03/2014, 10:20

... concentrations of H2O2 on lipid oxidation and of storage and pH on nonheme iron content of raw beef muscle J Food Biochem 13: 31-38 Richardson SD, Thurston AD, Collete TW, Patterson KS, Lykins BW, ... lanthionine sulphoxide, lanthinine sulphone and some unidentified products The oxidation of homocystine generates homolanthionine sulfoxide as main product and homolanthionine sulphone and homocysteic ... percentile (see table 2) By using these figures on meat consumption, the consumption values provide a conservative estimate of mean and high consumption of poultry in Europe Potential dietary exposure...

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Global Financial Stability Report: Restoring Confidence and Progressing on Reforms doc

Ngày tải lên : 29/03/2014, 13:20

... unchecked forces of fragmentation continue to gather speed and undermine the very foundations of the union—a common monetary policy, and economic and financial integration within the single market ... banking union Progress is needed on common regulations and supervision, as well as bank resolution and common safety nets, along with adequate backstops to both a joint deposit insurance fund and a ... guidelines and requests to these authorities and their banks The European Commission envisaged adoption, by end-2012, of EU legislation harmonizing national prudential regulations, bank resolution, and...

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Quick Guide on Processing Jerky and Compliance Guideline for Meat and Poultry Jerky Produced by Small and Very Small Plants pptx

Ngày tải lên : 31/03/2014, 08:20

... adaptation and modified marinades on survival of postdrying Salmonella contamination on beef jerky during storage J Food Prot 66(3):396-402 Eidson, M., C M Sewell, G Graves and R Olson 2000 Beef ... Food Prot 41(8):598-605 Harrison, J A and M A Harrison 1996 Fate of Escherichia coli O157:H7, Listeria monocytogenes, and Salmonella typhimurium during preparation and storage of beef jerky J Food ... reduction of Salmonella through the initial heating process Step - Handling: The establishment’s Sanitation SOPs (9 CFR 416) should ensure that product is properly handled to prevent re-contamination...

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fluidization solids handling and processing industrial applications

Ngày tải lên : 02/04/2014, 14:57

... bed diameter on the conversion of CO in the “Hydrocol” reaction in which hydrogen and carbon dioxide are converted over an iron catalyst to hydrocarbons and oxygenated hydrocarbons in a bubbling ... given by Anderson and Jackson (1967) These equations are based on a continuum picture of the suspension of solids in the fluid The solids and the fluid are considered individual phases, and variables ... hydrodynamic changes and how they, in turn, influence chemical and thermal conditions by variations in gas-solid contact, residence time, solid circulation and mixing and gas distribution There are several...

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Báo cáo hóa học: " Comment on “on the stability of quadratic double centralizers and quadratic multipliers: a fixed point approach” [Bodaghi et al., j. inequal. appl. 2011, article id 957541 (2011)]" pot

Ngày tải lên : 20/06/2014, 22:20

... Recall that the functional equation f (x + y) + f (x − y) = 2f (x) + 2f (y) (1:1) is called a quadratic functional equation In particular, every solution of the functional equation (1.1) is said to ... Hyers-Ulam stability of the quadratic functional equation Since then, the stability problems of various functional equation have been extensively investigated by a number of authors [8-20] Stability ... of Inequalities and Applications 2011, 2011:104 http://www.journalofinequalitiesandapplications.com/content/2011/1/104 Page of for all a ∈ A Consider the set X := {h | h : A → A} and introduce...

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Báo cáo hóa học: " Research Article On the Stability of Quadratic Double Centralizers and Quadratic Multipliers: A Fixed Point Approach" potx

Ngày tải lên : 21/06/2014, 05:20

... equation is called stable if any approximately solution to the functional equation is near to a true solution of that functional equation, and is super superstable if every approximately solution ... An, and C Park, On the stability of quadratic functional equations,” Abstract and Applied Analysis, vol 2008, Article ID 628178, pages, 2008 14 J A Baker, “The stability of the cosine equation,” ... functional equation In addition, every solution of functional eqaution 1.6 is said to be a quadratic mapping A Hyers-Ulam stability problem for the quadratic functional equation was proved by Skof for...

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Báo cáo hóa học: " Real-Time Signal Processing for Multiantenna Systems: Algorithms, Optimization, and Implementation on an Experimental Test-Bed" potx

Ngày tải lên : 22/06/2014, 23:20

... performed on bit and frame level as well and can be ﬁle-logged on the PC 3.3.6 Synchronization The synchronization between Tx and Rx was realized by two cables, one for the symbol clock and one for ... appropriate solution CONCLUSIONS AND CHALLENGES FOR FUTURE MIMO IMPLEMENTATIONS AND APPLICATIONS A multiantenna experimental test-bed was presented based on a hybrid approach consisting of FPGAs and DSPs ... diversity and adaptive/nonadaptive modulation under real-time transmission and decoding requirements If a bandwidth extension is taken into consideration for data rate enhancement, all ADCs, DACs, and...

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Aircraft Flight Dynamics Robert F. Stengel Lecture24 Configuration and Power Effects on Flight Stability

Ngày tải lên : 04/07/2014, 19:31

... moves lift distribution toward wing tips" –  Sideslip induces yawing motion" –  Unequal lift on left and right wings induces rolling motion" •  Lateral-directional (spiral mode) stability effect ... Wing" –  Subsonic-supersonic c.p at ~2/3 m.a.c." C Lα = 2π cot Λ LE (π + λ ) ( where λ = m 0.38 + 2.26m − 0.86m •  Mach number " –  increases the static margin of conventional conﬁgurations -> Short ... low-speed/subsonic performance, ruggedness" General Aviation Aircraft " •  Approaches to Stealth " •  Low radar cross-section" Low cost, safety, comfort, ease of handling" •  Open-loop instability"...

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Influence of temperature on expander stability and on the cycle life of negative plates docx

Ngày tải lên : 05/07/2014, 21:20

... (2003) 335±344 on the activity and stability of the expander(s) used, on temperature, and on the battery type (VRLAB or ¯ooded) Because of the speci®c conditions of EV battery operation (high rates ... expanders 3.8 Degradation of the structure of the negative plates The second aim of this work was to investigate the in¯uence of expanders on the energetic and skeleton structures of NAM and on ... operation of the oxygen cycle) on the expander should also be added to the temperature effects The following conclusions can be drawn on the grounds of the data in the ®gure: the expanders UP-393 and...

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Báo cáo khoa học: "Effect of desiccation during cold storage on planting stock quality and field performance in forest species" doc

Ngày tải lên : 08/08/2014, 14:21

... term (several weeks) storage conditions in desiccating conditions tested here are different from the long term (several months) cold storage conditions In the latter case, storage procedures allowing ... one hand and between root water content and height variation (linear relationship) on the other hand (figure 4) In red oak, curvilinear relationships were found between root water content and ... desiccation, rough handling and cold storage on the quality and establishment of Sitka spruce planting stock, Forestry 63 (1990) 129-141 [9] Dunsworth B.G., Impact of lift date and storage on field...

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Báo cáo khoa học: "Effects of buffer system pH and tissue storage on starch gel electrophoresis of allozymes in three tropical tree species" pps

Ngày tải lên : 08/08/2014, 23:22

... Cheliak and Pitel and Liengsiri et al (1990a) with minor modifications zymes (1984) were Effect of tissue storage conditions and freezing periods In this experiment, tissue storage conditions and storage ... the tissue and type of storage conditions, protocols for enzyme extraction, starch gel preparation and electrophoretic conditions, gel and electrode buffer characteristics, staining and genetic ... tampons d’électrophorèse (tableau /), de conditions de conservation des tissus et de durées de conservation ont été évalués pour l’électrophorèse sur gel d’amidon de 18 enzymes La résolution du...

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Matrix pencil method as a signal processing technique performance and application on power systems signals

Ngày tải lên : 01/10/2015, 17:27

... evaluation and subsequent control action to mitigate faults MPM and its close cousin, Prony Analysis require long computational time with increased number of samples and hence, are often deployed only ... such conventional systems, power is virtually transmitted in one direction [5] The load demands are more or less predictable based on historical data and most of the intelligent sensing and control ... extraction performance of MPM on damping factor and frequency component is examined • Chapter evaluates the feature extraction performance of MPM on amplitude and phase components of the complex exponential...

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In vitro studies on the color stability and masking ability of composite cores and the influence of posts and cores on the shades of all ceramic systems

Ngày tải lên : 09/10/2015, 11:24

... strength, stiffness, dimensional stability, radiopacity, handling properties and esthetics of the restorations One of the most important considerations in the selection of filler is the optical ... error, detector nonlinearity, stray light, bandwidth, and the geometrical conditions for both illumination and viewing The effect of bandwidth can be important For example, bandwidths of 20nm ... interpretation of a physical stimulus by our brain The factors and conditions relevant to color matching involve defining the nature and dimensions of color; quantification of color and color differences...

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(Information technology transmission, processing and storage) john b anderson, arne svensson (auth ), jack keil wolf, robert j mceliece, john proakis, william h tranter (eds ) coded modulation sys

Ngày tải lên : 18/10/2015, 17:12

... from their suggestions, corrections, and homework solutions JOHN B ANDERSON ARNE SVENSSON Contents Introduction to Coded Modulation 1.1 1.2 1.3 1.4 Some Digital Communication Concepts A Brief History ... bit rate and error performance: these are transmission bandwidth, transmission energy, and complexity of signal processing One pays for complexity through parts cost, power consumption, and development ... discussions with him Rolf Johannesson and Kamil Zigangirov of Lund University were a daily source of advice on coding and Shannon theory, Göran Lindell of Lund University on digital modulation, and...

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The effects of clay a m e n d m e n t and composting on metal speciation in digested sludge liang qiao

Ngày tải lên : 23/09/2012, 14:47

... represents one standard deviation) Metal speciation of digested sludge 953 Table I The effect of factoring in the dilution by red mud addition on total metal content in sludge compost and the metal content ... greater effect on Cr, Pb and Zn speciation than on Cu and Ni speciation More than 80% of Cu is tightly bound to the organic fraction, and red mud addition hardly affects the Cu speciation (ii) Although ... decomposition took place A change in redox condition and solid/solution ratio therefore occurred Red mud has a high pH, cation exchange capacity, AI and Fe oxides and clay minerals and can effectively...

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A study on the opportunities for and constraints on developing students’ oral skills at an upper-secondary school

Ngày tải lên : 07/11/2012, 14:44

... 1990) which consist of a number of specific and defined questions determined beforehand, and allow some elaboration in questions and answers After the questionnaires and class observations, two interviews ... communication and require the use of such communicative processes as information sharing, negotiation of meaning, and interaction” (Richard and Rodgers, 1986: 165) In conclusion, speaking skill is one ... fluency and accuracy Conclusion Teaching and learning speaking skill at Upper-Secondary Schools are considered problematic In this study with the title “A study on the opportunities for and constraints...

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