field studies of coastal terrain

... 9th leaf of different palm trees (last leaf fully opened is numbered ) Light was the only limiting factor Relative error of measurements in low light was too high to allow a comparison of apparent ... Physiology (Jarvis P.G & Mansfield T.A., eds.), Cambridge Univ Press, Cambridge, pp 247-279 Mooney H.A., Field C & Vasquez-Yanes C (1984) Photosynthetic characteristics of wet tropical forest plants ... assimilation rate is quite similar to those of fast growing temperate trees, such as Populus sp ((:eulemans et aL, 1987) and slightly higher than those of wet tropical forest and crop trees (Mooney...

Ngày tải lên: 09/08/2014, 04:20

... resolution of 0.25 nm One of the tungsten tips is landed on a platinum contact which ends at the base of the nanostructure and the other is positioned close to the outer branches of the nanostructure ... eV b C–K ELNES of a nanostructure typical of highly sp2 amorphous carbon transition These two transitions are consistent with the ELNES spectrum of a-C [21] Based on this type of spectrum we ... will present good FE properties [26] FE Studies A SEM image of our FE set-up is shown in Fig 4a, and the inset is the TEM image representative of the type of fractal nanotips tested A typical FE...

Ngày tải lên: 22/06/2014, 01:20

... factor and area factor of the various CuO nanorods before and after laser patterning 46 5.1 Turn-on field and threshold field for various field emitters 60 6.1 Studies of field emission from CNT/CNTs ... on field emission chamber 22 3.4 Field emission measurement setup with emphasis on the vacuum system 22 3.5 Schematic of the probe station 24 3.6 Schematic of the setup for the measurement of field ... FIELD EMISSION STUDIES OF NANOMATERIALS Submitted by: TEO CHOON HOONG (B.Sc (Hons), NUS) Supervisor: A/PROF SOW CHORNG HAUR A THESIS SUBMITTED FOR THE DEGREE OF MASTERS OF SCIENCE...

Ngày tải lên: 06/10/2015, 20:56

... LIMITING AND FIELD EMISSION STUDIES OF CARBON NANOTUBES GOHEL AMARSINH B.Sc (Hons.) SUPERVISOR A/PROF ANDREW WEE THESIS SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE DEPARTMENT OF PHYSICS NATIONAL ... growth By controlling the size of the pores of the catalyst, one is also able to control the diameter of the synthesized carbon nanotubes 1.7 Growth Mechanisms Studies of catalyst grown multiwalled ... electron field emitters This can be credited to the recent development of cheap and robust field emitting materials One such material is the carbon nanotube 1.9.1 What is Field Emission? Field emission...

Ngày tải lên: 27/11/2015, 12:23

... other studies [4-6] because of activity against key pathogens Consideration of the influence of appropriateness of empiric therapy against subsequently identified pathogens was beyond the scope of ... Discussion The results of this pooled analysis of two phase III studies indicated that initial use of doripenem in patients with VAP was associated with shorter durations of mechanical ventilation ... cost of hospitalization as demonstrated in a recent economic analysis of studies and [29] Using discrete event simulation, Kongnakorn and colleagues [29] estimated that use of doripenem instead of...

Ngày tải lên: 25/10/2012, 10:02

... underlying state of CNS dis-inhibition involved in the pathophysiology of the condition [93] Genetic linkage studies involving families with a history of alcoholism show involvement of chromosomes ... stimulus variation types Despite a relatively recent growth of interest in N2b characterization, a number of studies have probed the effect of stimulus and experimental condition variations on this ... Posterior ERPs In tasks of visual perception which involve the discrimination of a target presented in a field of a limited number of surrounding objects (i.e., a pop-out paradigm), a target with unique...

Ngày tải lên: 02/11/2012, 11:08

... different conditions of Ca and Mg addition The objective of this study was to investigate the effect of Ca and Mg addition on the leaching behavior of As from highly contaminated paddy field soil under ... Advantec, Japan) for the analysis of As, Fe, Ca, Mg and P contents of the filtrate The amount of Ca and Mg adsorbed per gram of soil was calculated from the difference of Ca and Mg concentration in ... the topsoil of the paddy fields The Fe, Ca, Mg and P content of the soil sample were 43.2 mg/g, 5.98 mg/g, 8.77 mg/g and 0.97 mg/g, respectively (Table 2) Effect of the Addition of Different...

Ngày tải lên: 05/09/2013, 10:15

... productivity and quality of the developed software The outcome of several of these improvement initiatives was summed up in an article in Communications of the ACM [10] Claims of order of magnitude improvements ... Problems with software development Software development can often be challenging There are many examples of software projects that have failed The much-cited Standish report on software projects ... we ask: Does the introduction of a knowledge management system: Improve the quality of software? Lower the cost of developing software? Improve the work situation of employees in an organisation?...

Ngày tải lên: 16/01/2014, 16:33

... rupture of veil, showing tendency to double annulus on the stem Portions of the veil also dripping from margin of pileus (Natural size.)] =The Color of the Gills.= The color of the gills of the ... Toxicology of Mushrooms, and Characters of Mushrooms, to which their names are appended, and also to Dr Chas Peck, of Albany, N Y., and Dr G Bresadola, of Austria-Hungary, to whom some of the specimens ... propagation of mushrooms The spawn is nothing more than the vegetative portion of the plant It is made up of countless numbers of delicate, tiny, white, jointed threads, the _mycelium_ =Mycelium of a...

Ngày tải lên: 13/02/2014, 12:20

... metabolic consequences of having HPRT deficiency are an overproduction of uric acid and elevated levels of PRPP [3] Patients having mutations resulting in partial HPRT deficiency often suffer from gouty ... analysis of a wide range of species indicates that HPRT have eleven completely conserved amino acids, whereas PRTFDC1 genes not show full conservation of these eleven residues [10,11] Because one of ... distances of approximately 2.4 A The phosphate of the GMP is hydrogen bonded to main chain and side chain atoms of amino acids 145–149 (Fig 1C) A second Ca2+ ion is coordinated by the side chain of...

Ngày tải lên: 15/02/2014, 01:20

... result of NADH oxidation was measured One unit of enzyme activity was defined as the reduction of lmolÆmin)1 of NADH (corresponding to the carboxylation of lmolÆmin)1 of acetyl-CoA) Quantification of ... extinction coefficient of 6200 m)1Æcm)1 One unit of enzyme activity was defined as the oxidation of lmolÆmin)1 of NADH POR enzyme assays The oxidative decarboxylation activity of POR was assayed at ... atmosphere The reduction of metronidazole was calculated using an extinction coefficient of 9300 m)1Æcm)1 One unit of enzyme activity was defined as the reduction of lmolÆmin)1 of metronidazole (corresponding...

Ngày tải lên: 16/02/2014, 09:20

... effects of one of the substrates, i.e pantoate [8,9] One of the interesting features of the plant PSs is the presence of a conserved 24 residue insertion in the sequence [9] This sequence of amino ... we report the results of the structural studies of the pantoate-bound form of the N-terminal domain of E coli PS (nPS) The structure and substrate-binding interactions of E coli nPS have been ... The overlay of selected regions of H–15N correlation spectra, highlighting cumulative changes in chemical shifts of specific residues of nPS as a function of substrate(s) The resonances of free nPS...

Ngày tải lên: 16/02/2014, 09:20

... H and Mizumoto, Y (2006) Estimation of Intake Level of Di (2-ethylhecyl) phthalate (DEHP) of Japanese pregnant woman based on measurement of concentrations of three urinary metabolites Jpn J Hyg., ... concentration of some organic compounds is regulated The WHO has proposed guideline value of organic compounds,67) as has The Ministry of Health, Labor and Welfare in Japan.68) The effect of volatile ... systematic review of provocation studies, J Allergy Clin Immunol., 118, 1257–1264 Hojo, S., Sakabe, K., Ishikawa, S., Miyata, M and Kumano, H (2009) Evaluation of subjective symptoms of Japanese patients...

Ngày tải lên: 17/02/2014, 22:20

... review of power management and turn-off literature is by Nordman et al (2000) They compiled 17 research studies of computer and monitor power management and manual turn-off; fourteen of these studies ... Copiers Copiers have the largest range of power management controls and indicators of any type of office equipment Part of this is the result of the wide range of copier sizes as well as the fact ... private-sector offices; previous studies focused heavily on governmental and similar offices) Another possibility is that turn-off rates have been decreasing over time Most of the previous computer studies...

Ngày tải lên: 18/02/2014, 04:20

... relieved of the bother of customs officials through the kindness of an Austrian officer It was the lasting grief of my companion that he had to submit to the customs in spite of An Aviator's Field ... was plenty to hear the dull noise of the light artillery, the sharp crash of the field pieces and the crackling of small arms On the way we passed an encampment of reserves It was a scene exactly ... for copies of or providing access to or distributing Project Gutenberg-tm electronic works provided that - You pay a royalty fee of 20% of the gross profits you derive from the use of Project...

Ngày tải lên: 18/02/2014, 09:20

... deuteration of C2¢ of the epimerase product The lack of deuteration of the C2¢ of DHMP is not due to the lack of deuterons, because it has been shown previously that the 6-hydroxymethyl group of the ... is presumably related to the sizes of the Fig Stopped-flow analysis of the binding of HPO to SaDHNA The concentration of SaDHNA was lM, and the concentrations of HPO were 10, 20, 30, and 40 lM ... association rate constant of HPO (0.55 lm)1Æs)1) was very similar to that of HP (0.65 lm)1Æs)1), but the dissociation rate constant of HPO (0.062 s)1) was about a quarter of that of HP (0.26 s)1), suggesting...

Ngày tải lên: 19/02/2014, 00:20

... levels of phosphorylation expressed in relation to percentage dThd phosphorylation of the wild-type Relative phosphorylation expressed as a relation of the percentage of dThd phosphorylation of the ... phosphorylation of dGuo was reduced markedly Structure of Dm-dNK-E52D in complex with dTTP The structure of one of the mutants, E52D, was solved ˚ using X-ray crystallography at a resolution of 2.5 A ... illustrating the binding of the feedback inhibitor dTTP and the position of Mg2+ in the active site Mg ion that coordinates the phosphates of dTTP (Fig 3) Discussion Mutation of residues in the active...

Ngày tải lên: 19/02/2014, 02:20

... enzyme must sacrifice some of its stability It has previously been suggested that the lower thermal stability of cold-adapted enzymes is simply a consequence of the lack of selective pressure for ... function of the nuclease NucM of Erwinia chrysanthemi FEMS Microbiol Lett 112, 99–103 18 Moulard M, Condemine G & Robert-Baudouy J (1993) Characterization of the nucM gene coding for a nuclease of ... shows that the rate of irreversible unfolding for VsEndA is higher than for VcEndA, with a half-life of % 13 and 33 min, respectively Substrate specificity analysis An analysis of the substrate specificity...

Ngày tải lên: 19/02/2014, 05:20

... the mobility of helix A of the protein As Trp13 is located in the vicinity of the activation region AR2 of the protein [1], which is responsible for the activation of the second class of E coli ... binding of cAMP to the anti-cAMP-binding sites of the protein The distance between the sulfur atom of Cys178 and the C9C10 bond of the indole ring of Trp85, derived from the crystal structure of CRP(cAMP)2 ... changes (perturbation of chemical shift of Trp13) [13] Fluorescence studies have shown that Trp13 is responsible for % 80% of the tryptophan uorescence in CRP with % 20% of the signal originating...

Ngày tải lên: 20/02/2014, 23:20

... that the work of Lookene et al [27] has already established Of two possible dimeric structures of LPL, the head-tohead and the head-to-tail models, the studies of the chimeric proteins of hepatic ... the DISCOVER_3 module of INSIGHT II was used at a constant temperature of 298.0 K for 5000 steps of 1.0 fs time-step RESULTS Model structure of human LPL All model structures of dimeric human LPL ... structures of the lid (orange) Ó FEBS 2002 Dimeric model structure and function of lipoprotein lipase (Eur J Biochem 269) 4705 Table Heparin affinity of C-terminal domain of LPL In vitro product of C-terminal...

Ngày tải lên: 21/02/2014, 15:20