spectrum and impacts on ecosystem function

Báo cáo hóa học: " Influence of grazing and precipitation on ecosystem carbon cycling in a mixed-grass prairie" potx

Báo cáo hóa học: " Influence of grazing and precipitation on ecosystem carbon cycling in a mixed-grass prairie" potx

... intensity and precipitation interact to influence carbon cycling on mixed-grass prairie ecosystems Keywords: carbon cycling, carbon storage, plant production, grazing, grasslands, precipitation Background ... magnitudes and patterns of net CO2 exchange and its constituents (gross ecosystem production and ecosystem respiration) in a mixed-grass prairie However, the study was conducted during two contrasting ... grazing and precipitation on ecosystem carbon cycling in a mixed-grass prairie Rodney A Chimner1* and Jeffery M Welker2,3 * Correspondence: rchimner@mtu. edu 1 School of Forest Resources and Environmental...

Ngày tải lên: 20/06/2014, 23:20

15 386 0
Topic 2 human impacts on ecosystem

Topic 2 human impacts on ecosystem

... cleared and there is a greater demand for natural resources If one person drives a car, the impact on the environment is not great In reality, of course, millions of people drive cars and the ... meal plan using only plants and animals from Alberta. Performing and Recording Alberta Grown Trang 6Our demand for more consumer products often conflicts with thehealth of ecosystems and the plants ... suggestions to reduce the impacts of development To learn about wetlands, scientists carefully observe wetland areas and set up models of such areas in which they can test and monitor various conditions....

Ngày tải lên: 09/06/2016, 14:48

11 350 0
Mutual funds performance, types and impacts on stock returns (financial institutions and services)

Mutual funds performance, types and impacts on stock returns (financial institutions and services)

... permissions to reuse content from this publication Simply navigate to this publication’s page on Nova’s website and locate the “Get Permission” button below the title description This button is ... literature on the conventional mutual funds (CMFs) and socially responsible investment (SRI) funds Thus, this section reviews related theoretical and empirical studies on SRI screened and unscreened ... literature on the conventional mutual funds (CMFs) and socially responsible investment (SRI) funds Thus, this section reviews related theoretical and empirical studies on SRI screened and unscreened...

Ngày tải lên: 08/01/2020, 09:52

146 35 0
Iconic brand ist componential  factors and impacts on brand community  a cross   cultural study in sweden, taiwan in vietnam

Iconic brand ist componential factors and impacts on brand community a cross cultural study in sweden, taiwan in vietnam

... Brand and Brand Community 76 5.7.3 National Comparison on factors of Iconic Brand and Brand Community 77 CHAPTER 6: DISCUSSION 79 6.1 Introduction 79 6.2 Overall Impacts of Iconic Brand ... of Iconic Brand and Brand Community Perceptions 82 6.4 Cross Cultural Comparison of the Iconic Brand Impacts on Brand Community 85 CHAPTER 7: CONCLUSIONS 87 7.1 Introduction 87 7.2 Conclusions ... componential factors, and the impacts of iconic brand and brand community However, before mentioning these terms, an overview of branding which includes brand’s functions, brand identification, and...

Ngày tải lên: 29/01/2021, 14:53

148 6 0
Regional economic interation and impacts on growth  poverty and income distribution   the case of vietnam

Regional economic interation and impacts on growth poverty and income distribution the case of vietnam

... attempts to analyze impacts on Vietnam of the ongoing regional economic integration, focussing on growth, poverty reductions and income distribution For this purpose, we have constructed a global ... Introduction 2 Trade liberalization in Vietnam 3 Poverty and income distribution 4 Model specification 5 Simulation analysis 6 Summary and conclusions References Appendix A: The equation system and ... maximization condition The factor demand is derived from the profit maximization condition, and factor remuneration is equal to the value added price times the partial derivative of the production function...

Ngày tải lên: 17/03/2021, 20:18

50 15 0
Use of pesticides in fresh water aquaculture in the mekong delta, vietnam, and impacts on environment and food safety

Use of pesticides in fresh water aquaculture in the mekong delta, vietnam, and impacts on environment and food safety

... and body contamination) environment (water and sediments contamination), and finally wild animals and humans through water and food utilization The increased use of chemicals in agriculture and ... million tons in 2007, and increased to 2.7 million tons in 2010 from which marine shrimp (Penaeus monodon) and tra catfish (Pangasianodon hypophthalmus) were the predominant products The Mekong ... MEKONG DELTA, VIETNAM 79 ABSTRACT 83 INTRODUCTION 84 MATERIAL AND METHODS 85 RESULTS AND DISCUSSION 89 CONCLUSION 96 ACKNOWLEDGEMENTS 96 REFERENCES 96 STUDY N°3: BIOCONCENTRATION AND...

Ngày tải lên: 08/08/2021, 17:51

248 11 0
Evfta and impacts on vietnams rice exports

Evfta and impacts on vietnams rice exports

... production averaging 26-28 million tons After domestic consumption, approximately 6-6.5 million tons are exported, primarily from the Mekong Delta, which contributes over 50% of production and more ... million tons of rice annually In 2021, the total rice imports reached 3.6 million tons, with Vietnam contributing 1.6 million tons to this figure.53 traded within the bloc and 2 million tons are ... production increases and international trade proves advantageous, export activities naturally expand beyond national borders and local markets.International trade involves the exchange of goods and...

Ngày tải lên: 08/12/2023, 15:32

81 6 0
Tài liệu Body Size: The Structure and Function of Aquatic Ecosystems pptx

Tài liệu Body Size: The Structure and Function of Aquatic Ecosystems pptx

... distributions ´ Lennart Persson and Andre M De Roos The consequences of body size in model microbial ecosystems Owen L Petchey, Zachary T Long and Peter J Morin Body size, exploitation and conservation ... be important, and (ii) to compare freshwater and marine ecosystems In Body Size: The Structure and Function of Aquatic Ecosystems, both those questions of scale and comparison among systems are ... organization ranging from within-genotype variation (phenotypic plasticity and changes during ontogeny) to differences among ecological functional groups that affect ecosystem function and biogeochemistry...

Ngày tải lên: 17/02/2014, 19:20

357 2K 0
Tài liệu Báo cáo khoa học: Mechanism of dihydroneopterin aldolase NMR, equilibrium and transient kinetic studies of the Staphylococcus aureus and Escherichia coli enzymes docx

Tài liệu Báo cáo khoa học: Mechanism of dihydroneopterin aldolase NMR, equilibrium and transient kinetic studies of the Staphylococcus aureus and Escherichia coli enzymes docx

... replotted against the ligand concentrations The association and dissociation constants were obtained by linear regression of the apparent rate constants versus ligand concentration data Quench-flow ... deprotonation and reprotonation in the aldolase reaction involve the proton exchanging with bulk water [16] The residues that function as the general acid and base in the aldolase reaction are ... substrates and the reverse reaction (the formation of DHNP and DHMP) with HP and GA For the forward reaction, three concentrations each for DHNP and DHMP were used For the reverse reaction, the concentration...

Ngày tải lên: 19/02/2014, 00:20

13 479 0
Tài liệu Enterprise and Culture: Routledge Studies in Small Business doc

Tài liệu Enterprise and Culture: Routledge Studies in Small Business doc

... costing and control of information; organisation and delegation; marketing; information use and retrieval; personnel management; technological change; production scheduling and purchase control ... were in London and the south-east (Mason, 1989) More importantly, Mason and Harrison (1991) have demonstrated a clear link between successful start-up and growth rates and the local provision of ... immigrant and east German populations The emphasis, however, is less on the individual and more on social groups (family firms, ethnic or cultural sectors, depressed regions and so on) and on encouraging...

Ngày tải lên: 19/02/2014, 21:20

216 600 0
Báo cáo khoa học: NMR and molecular dynamics studies of an autoimmune myelin basic protein peptide and its antagonist Structural implications for the MHC II (I-Au)–peptide complex from docking calculations ppt

Báo cáo khoa học: NMR and molecular dynamics studies of an autoimmune myelin basic protein peptide and its antagonist Structural implications for the MHC II (I-Au)–peptide complex from docking calculations ppt

... comprised 3899 and 4516 SPC molecules for the agonist and the antagonist in water, respectively, and 817 and 927 Me2SO molecules for the agonist and the antagonist, respectively, corresponding to ... Gilon, C & Kessler, H (1994) Comparison of the conformation of active and nonactive backbone cyclic analogs of substance P as a tool to elucidate features of the bioactive conformation: NMR and ... solvent From the comparison of Dd/DT values of agonist and antagonist, it can be concluded that the agonist has a more compact conformation in Me2SO Dd/DT values in aqueous solution are not reported...

Ngày tải lên: 07/03/2014, 16:20

15 449 0
Artists Past and Present Random Studies potx

Artists Past and Present Random Studies potx

... National Gallery at London, in Frankfurt (the Städel Gallery), in the Museum of Brussels, in Lord Northbrook's collection, London, in the Boston Museum, in Mrs Gardiner's collection at Boston, and ... Rob and Plunder and accumulate into one place and Translate and Copy and Buy and Sell and Criticize, but not Make." This has been true of the Germans, but the present generation is bent upon making ... Baron Gros He studied Lamarck, Cuvier and Buffon He competed five times for the Prix de Rome at the Salon, once in the section of medals and four times in the section of sculpture, succeeding once...

Ngày tải lên: 16/03/2014, 01:20

54 322 0
Báo cáo khoa học: Binding of berberine to human telomeric quadruplex – spectroscopic, calorimetric and molecular modeling studies pot

Báo cáo khoa học: Binding of berberine to human telomeric quadruplex – spectroscopic, calorimetric and molecular modeling studies pot

... Contribution of hydration and non-covalent interactions to the heat capacity effect on protein unfolding J Mol Biol 224, 715–723 42 Privalov PL & Makhatadze GI (1993) Contribution of hydration ... [60] with no cutoff Solvation free energies were computed as the sum of polar and nonpolar contributions using a continuum solvent representation The polar contribution was calculated with the ... combination of polar solvation energy and favorable solute electrostatic, van der Waals and nonpolar solvation energy The conformational entropy for the complexes arises from the loss of translational...

Ngày tải lên: 16/03/2014, 06:20

13 458 0
Báo cáo khóa học: C-, 15N- and 31P-NMR studies of oxidized and reduced low molecular mass thioredoxin reductase and some mutant proteins docx

Báo cáo khóa học: C-, 15N- and 31P-NMR studies of oxidized and reduced low molecular mass thioredoxin reductase and some mutant proteins docx

... marginal interaction and the NMR data a strong one Polarization of the two carbonyl groups by hydrogen bonding leads to a downeld shift of the resonances due to C(8), C(9a) and C(10a) and an upeld ... shifted by p.p.m In contrast with conclusions drawn recently from X-ray data on TrxR [10] (resolution 0.2 nm) that the conformation of FAD in oxidized TrxR and in glutathione reductase is virtually ... appropriate conditions and the differences in the electronic structures of FAD bound to native and mutant proteins Experimental procedures Purication of thioredoxin reductase and reconstitution with...

Ngày tải lên: 16/03/2014, 16:20

16 380 0
Báo cáo khoa học: Structure–cytotoxicity relationships in bovine seminal ribonuclease: new insights from heat and chemical denaturation studies on variants ppt

Báo cáo khoa học: Structure–cytotoxicity relationships in bovine seminal ribonuclease: new insights from heat and chemical denaturation studies on variants ppt

... concentrations, but focusing on the parent BS-RNase and on the single-point R80S variant The results are reported in Fig 7, where the folded fraction is reported as a function of the urea concentration ... denaturation parameters of monomers and dimers of BS-RNase mutants, monitored by fluorescence and CD spectroscopy [Urea]1 ⁄ values were the denaturant concentrations at half-completion of the transition ... protein concentration was 0.2 mgÆmL)1, corresponding to 14 lm for the monomers and lm for the dimers The excitation wavelength was set at 274 nm, and the emission was measured between 250 and 400...

Ngày tải lên: 22/03/2014, 17:20

12 300 0
Báo cáo khoa học: Leishmania donovani phosphofructokinase Gene characterization, biochemical properties and structure-modelling studies doc

Báo cáo khoa học: Leishmania donovani phosphofructokinase Gene characterization, biochemical properties and structure-modelling studies doc

... Leishmania donovani phosphofructokinase (Eur J Biochem 269) 3979 MATERIALS AND METHODS Cloning and characterization of the L donovani and T borreli PFK genes A genomic library of L donovani (kindly donated ... effector site The E coli and L donovani enzymes share 23% sequence identity overall, although functional considerations have led to much greater conservation of the catalytic site and effector site ... L donovani PFK effector site bound to AMP Ligand and protein are shown in ball -and- stick representation with the exception of the protein backbone, in the vicinity of the one residue insertion,...

Ngày tải lên: 23/03/2014, 21:21

12 245 0
Báo cáo khoa học: The phosphate site of trehalose phosphorylase from Schizophyllum communeprobed by site-directed mutagenesis and chemical rescue studies pptx

Báo cáo khoa học: The phosphate site of trehalose phosphorylase from Schizophyllum communeprobed by site-directed mutagenesis and chemical rescue studies pptx

... acquired under conditions in which the concentration of phosphate was varied at a constant concentration of a,a-trehalose (400 mm) in the absence or presence of different constant concentrations of vanadate ... conditions used Enzymatic rates (V) were measured for conditions in which the concentration of phosphate was varied in the range 5300 mm whereas the concentration of a,a-trehalose was 400 mm and constant ... krescue k0 on the relative content of active compound (H2PO4) and NH2) present compounds, H2PO4) and unprotonated amine, in this combination of protonic forms (Fig 4B, inset) Discussion Evidence...

Ngày tải lên: 30/03/2014, 04:20

11 429 0
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