harvesting concentration and cold storage of rotifers

Báo cáo khoa học: "Cold storage of in vitro cultures of wild chestnut and oak" pdf

Ngày tải lên : 08/08/2014, 19:21

... the length of storage (3, 6, or 12 months) in any type of explant and there was little development of basal callus hardly After month of culture under standard conditions, the survival of the stored ... interaction of the factors (start and length of storage) was significant in the case of clones NL3 (oak) and M5 (chesnut) The proliferation capacity of the explants after the different periods of exposure ... cherry, the cold clearly improved the growth of the shoots, independently of the time of storage As the storage time increased, the growth of the shoots increased in the first subculture after storage, ...

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Concentration and chemical speciations of cu, zn, pb and cr of urban soils in nanjing, china

Ngày tải lên : 15/03/2014, 23:22

... of urban soils in China (Lu, 2000) The objective of this study was to determine the total Cu, Zn, Pb and Cr concentrations and chemical speciation of urban soils in Nanjing, China Materials and ... Yvon, France) Results and discussions 3.1 Heavy metal concentrations The concentrations of Cu, Zn, Pb and Cr in urban soils in Nanjing (Table 2) have a wide range of values and have a marked vertical ... Group of Natural Background Values of Soil and Academia Sinica (1979) Liu (1996) concentration is triple the mean value of soils in China and twice as much as the natural background value of soils...

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Báo cáo khoa học: Enhancement of intracellular concentration and biological activity of PNA after conjugation with a cell-penetrating synthetic model peptide docx

Ngày tải lên : 23/03/2014, 13:20

... ordinate as a function of the fluorescence intensity on the abscissa concentrations of I and II If related to the external concentrations, the intracellular concentration of the conjugate measured ... influence of nociception on the beating rate of CM measured on day of culture without and with pretreatment with either 0.2 lM of I or II on day and after seeding The basal beating rate of the CM ... P/ACE-SYSTEM MDQ software (Beckman Coulter, Fullerton, CA, USA), and were normalized to the area of the internal standard e-fluoresceinyl lysine in order to eliminate irregularities of injection and buffer...

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Effect of beam size and FRP thickness on interfacial shear stress concentration and failure mode of FRP strengthened beams

Ngày tải lên : 05/10/2015, 19:02

... strength of concrete Ga Shear modulus of adhesive hc Depth of beam I Second moment of area Itr Second moment of area of transformed cracked FRP section vi Itr,conc Second moment of area of transformed ... 2.16 and Ec,Ea Elastic modulus of concrete and adhesive, respectively Ga Shear modulus Ic,,Ifrp Second moment of area of concrete and FRP, respectively bfrp Width of the FRP Ac,Afrp Area of concrete ... modulus of adhesive Ec Elastic modulus of concrete Eelastic Elastic energy of beam Efrp Elastic modulus of FRP Etol Total energy of beam f c' Cylinder strength of concrete fcu Cube strength of concrete...

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BÁO CÁO KHOA HỌC " Changes in microbial and postharvest quality of shiitake mushroom (Lentinus edodes) treated with chitosan–glucose complex coating under cold storage " pptx

Ngày tải lên : 28/06/2014, 11:20

... application of CGC to fruits and vegetables is limited The objectives of this work were to evaluate the effect of CGC on the microbiological and postharvest quality of shiitake mushrooms during cold storage ... the storage period, the respiration rates of coated mushrooms signiﬁcantly decreased (p < 0.05) These values were 78.2–92.6% of those of the control samples at the beginning of the cold storage ... during storage (Fig 2) After 16 days of storage, the mushrooms coated with CGC and chitosan showed 2.41% and 2.71% weight loss, respectively, as compared to 3.71% and 3.13% weight loss in control and...

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Báo cáo lâm nghiệp: "Argan (Argania spinosa (L.) Skeels) seed germination under nursery conditions: Effect of cold storage, gibberellic acid and mother-tree genotype" docx

Ngày tải lên : 08/08/2014, 01:22

... germination and seed deterioration but none of its interaction was significant (Tab I) Therefore, cold storage and GA treatment are indifferent to genotype DISCUSSION AND CONCLUSION 4.1 Cold storage and ... preemergence dumped-off seedling number (GC) and number deteriorated seeds (RS) and dormant seeds (DS) for four cold storage duration and two gibberellic acid treatments (GA) Values are means of two replications ... cold storage (control), cold storage during the last month of storage, or during two months or three months On May 1998, the protocol for pre-treatment of argan stones set forth by Bani-Aameur 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

... 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 performance ... measured survival and height of seedlings 2.4 Statistical analysis Analysis of variance followed by Tukey’s HSD test (p < 0.05) were used for the effects of lifting date and cold storage treatments ... practical point of view, a four-week exposure to desiccation in the cold store adversely affected planti- [1] Aldhous J.R., Cold storage of forest nursery plants An account of experiments and trials;...

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Numerical simulation and performance test of metal hydride hydrogen storage system

Ngày tải lên : 05/09/2013, 14:58

... filtration and D=0.00237 is for LaNi5 The term ε and d are the porosity of metal hydride and average diameter of metal hydride particle, respectively In & the meanwhile, Jf is hydrogen flux and determined ... International Journal of Energy and Environment (IJEE), Volume 2, Issue 3, 2011, pp.401-414 where A and B are Van’t Hoff constants and depend on the hydride material From Eqs (17) and (18) the function ... where K and E are effective thermal conductivity in metal hydride and heat of formation of hydride, respectively The two equations (16) and (19) are the simplified mathematical model of metal...

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Energy and exergy analysis of particle dispersed latent heat storage system

Ngày tải lên : 05/09/2013, 16:10

... making and energy storage Dr.Pohekar is a life member of Solar energy society of India and International society of multi-criteria decision making, and fellow of Institution of Engineers (India) and ... International Journal of Energy and Environment (IJEE), Volume 1, Issue 3, 2010, pp.445-458 The effect of Stefan number on energy storage and exergy storage has also been investigated and the results ... Institute of Technology and Science, Pilani, Rajasthan, India in 2004 He has published several refereed journal and conference papers in the areas of energy management and latent heat thermal storage...

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Tài liệu ime Control of a Three Phase 4 Wire PWM Inverter with Variable DC Link Voltage and Battery Storage for PV Application doc

Ngày tải lên : 19/01/2014, 02:20

... symmetr of the outp voltage i achieved a the linea region of t PWM I the ry put is and ar the modulator o the DC/AC VSI (Volta Source I m of C age Inverter) is e extended Figure principle of the ... in figure To control i rd n o and sepa arately the co oupling elem ments b and d are decoupled b the matrix Fdc and AIdc so that d by xes and de epend only on a and c After removin A ng the coupling ... was discus r ssed in [4], [6 and [8] an 6] nd for three pha inverters in [1], [2], [3], [5] and [7], the dead beat contro in [1] and [2] is adopte ase s d ol ed and extended to mach fo three...

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Blank values, adsorption, pre concentration, and sample preservation for arsenic speciation of environme

Ngày tải lên : 15/03/2014, 23:22

... chromatogram of ␮g As l−1 arsenic standard and trace monitor of m/z 53 3.5 Pre -concentration of water samples by nitrogen-purge Pre -concentration using a nitrogen-purge showed recoveries of >80% of all ... arsenbetaine; and ( ) arsenocholine Mean values and S.Ds of three replicates are shown 3.4 Pre -concentration of methanol–water solutions by nitrogen-purge After pre -concentration of methanol–water ... transformation of arsenic compounds during storage in the ﬁeld With the addition of 1.25 mM EDTA to rainwater and to soil-pore water, transformation of arsenic compounds and degradation of organic...

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Concentration and distribution of extractable elements in soil as affected by tillage systems and fertil

Ngày tải lên : 15/03/2014, 23:22

... hypothesize that concentrations of trace elements will increase and stratify in those soils However, as a consequence of the recent introduction of zero tillage and the lack of fertilization history, ... tillage and fertilization With this limitation, our objective was to study the effects of two extreme tillage systems Žconventional and zero-tillage and phosphorus fertilization on concentration and ... separate means Results and discussion Table shows the stratiﬁcation and changes in concentration of organic matter, macronutrients and other soil components under the inﬂuence of the treatments This...

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$Báo cáo " Effect of Cr$^{3+}$ concentration on structural and optical properties of ZnAl$_2$O$_4$:Cr$^{3+}$ " ppt$

Báo cáo " Effect of Cr$^{3+}$ concentration on structural and optical properties of ZnAl$_2$O$_4$:Cr$^{3+}$ " ppt

Ngày tải lên : 22/03/2014, 11:20

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Báo cáo Y học: Cold adaptation of xylose isomerase from Thermus thermophilus through random PCR mutagenesis Gene cloning and protein characterization doc

Ngày tải lên : 31/03/2014, 15:20

... wild-type XI The wildtype showed no XI activity at pH and 10 For M-1024 and M-1026 the speci®c activity at pH and 10, was 66 and 45%, and 62 and 31%, of the maximum, respectively The pH optima for the ... Mg2+ and Co2+ The wild-type showed 88 and 74% of the maximum activity with Co2+ and Mg2+, respectively The mutants, on the other hand, were less activated by Co2+ and Mg2+ Kinetic properties of ... a certain concentration of xylitol PH pro®le The effect of pH on the activity of the wild-type and mutated enzymes was investigated in the pH range 5±10 in 700 mM xylose, 10 mM MnCl2 and a buffer...

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Concentration in the Belgian brewing Industry and the Breakthrough of Lager in the interwar years pptx

Ngày tải lên : 31/03/2014, 22:20

... and Market Structure, Cambridge, 1998, p 490 Cf infra p 16 BRESNAHAN, T.F., Suttons Sunk Costs and Market Structure: Price Competition, Advertising, and the Evolution of Concentration, The Rand ... Differentiation and Concentration in the Brewing Industry, The Journal of Industrial Economics, 19-3 (1971), p 206.; PELES, Y., Economies of scale in advertising beer and cigarettes, The Journal of Business, ... Germany and the United States, Journal of economic perspectives, 20-1 (2006), p 198 88 SUTTON, J., Sunk Costs and Market Structure: Price Competition, Advertising, and the Evolution of Concentration, ...

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EFFECT OF STORAGE TEMPERATURES ON THE PHYSIOLOGICAL AND BIOCHEMICAL PROPERTIES OF HYLOCEREUS POLYRHIZUS

Ngày tải lên : 05/05/2014, 08:39

... Understanding the Composition and Complexity of Rural Households Agriculture and Human Values 22:87-103 Druiynska, B, A & Wotosiak, R 2007 The Influence of Time and Type of Solvent ,on Efficiency of ... expressed in Fe2+ and ABTS assay of Limnophi/a aromatica extracts prepared by different extraction temperature and time! 75 Table 4.8 ECso of DPPH and FRAP expressed in Fe2+ and ABTS assay of extracts ... Trend of Consumer Perception Towards Herbs 2.1.4 Current Trend of Consumption of Herbs 2.2 Herb of Limnophila aromatica 2.2.1The Morphology of Limnophila aromatica 2.2.2 The Uses and Benefits of...

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Trade-concentration and its impact on commerce and traders of a Mexican city

Ngày tải lên : 03/06/2014, 02:21

... phenomenon of globalization The proliferation of supermarkets into nascent retail markets often introduces a new array of products and a new set of perceptions about price and quality of goods and services ... Citlalicalli Summary of Findings VI EFFECTS OF RETAIL CONCENTRATION 131 A Theoretical Review of the Effects of Retail Trade -Concentration Case Histories of Typical Retailers ... we live in “a world of flows.” The forces of globalization bring with it goods, ideas, and images across national boundaries To understand the process of tradeconcentration, and the consequent...

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A review of the chemical and physical mechanisms of the storage stability of fast pyrolysis bio oils

Ngày tải lên : 19/06/2014, 14:02

... bio-oil • The extent of contamination of the bio-oil during storage by corrosion or leaching of the containers • Exposure to air during storage • The length of storage time • The storage temperature ... molar concentrations of the alcohol and the acid, an equilibrium constant of corresponds to a conversion of 59 mol % of the reactants; an equilibrium constant of corresponds to a conversion of 67 ... this reaction include carbonates and chlorides of sodium and potassium; calcium and sodium sulfates; and calcium and sodium acetates (Adams and Adkins 1925; Adkins and Nissen 1922) Catalysts for...

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Báo cáo hóa học: " Effective harvesting, detection, and conversion of IR radiation due to quantum dots with built-in charge" docx

Ngày tải lên : 20/06/2014, 22:20

... engineering of electron spectra by varying the dot size and shape as well as the concentration of QDs and geometry of a QD structure Besides tunable IR absorption, QD structures offer wide flexibility ... and B52) and with inter-dot doping (devices B45 and B53) In devices B44 and B52 (Figure 1a), the dopant sheet concentration was 2.7 × 1011 cm-2 and 5.4 × 1011 cm-2, respectively Devices B45 and ... solves Schrödinger, Poisson, and current equations for electrons and holes The conduction and valence bands of the structures are defined within a single-band or multi-band k·p model, which includes...

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