biodiversity measurements of pages 285 290 robert mendelsohn pdf
Tài liệu MEASUREMENTS OF OUTDOOR AIR POLLUTION FROM SECONDHAND SMOKE ON THE UMBC CAMPUS pdf
Ngày tải lên :
17/02/2014, 22:20
... series of experiments were conducted on Thursday, April 14th to measure the concentration of SHS as a function of distance from the source Based on the results of the controlled experiment of April ... the mass emission rate of the source The more turbulent the atmosphere, the more rapid the spread of the plume in the direction transverse to the direction of propagation of the plume The maximum ... pollutant concentrations as a function of distance such that a doubling of distance could result in a concentration reduction of up to 50% or more At distances of 1-2 m from the source, mean outdoor...
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Analysis of the atmospheric distribution, sources, and sinks of oxygenated volatile organic chemicals based on measurements over the Pacific during TRACE-P pdf
Ngày tải lên :
14/03/2014, 20:20
... 3a is that large mixing ratios of CH3CHO, exceeding those of HCHO, are found to be present We also report the first tropospheric profile of C2H5CHO Measurements of CH3CHO and C2H5CHO in the free ... altitude profiles of individual oxygenated species (b) Comparison of total oxygenated volatile organic chemical (SOVOC) abundance with that of total nonmethane hydrocarbons (SNMHC) TAN is the sum of ... sampling of nine such episodes (0 – km) The quantitative interpretation of these ERs is difficult because of the extreme complexity of urban sources in Asia However, since CH3Cl is not a product of...
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Silicon as a model ion trap: Time domain measurements of donor Rydberg states
Ngày tải lên :
16/03/2014, 15:30
... meV, ETO Ϫ E21 Ϸ 30 meV The lifetime of 215 ps is also close to the 205 ps found above The temperature dependence of the lifetime of the 2pϮ is similar to that of the 2p0 because the transition ... because of the emission of phonons The donors can be effectively isolated from the environment and have no significant sources of decoherence other than population decay by emission of phonons ... ni0b͑t͒ [1] ni ϭ ϪP totn i2 ˙ The first of these equations represents the feeding of the ground state by decay from the excited state at rate 1/T1 and recombination of the electrons and ions with rate...
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Báo cáo khoa học: "Empirical Measurements of Lexical Similarity in Noun Phrase Conjuncts" ppt
Ngày tải lên :
17/03/2014, 04:20
... the following measures of semantic similarity which are WordNet-based Wu and Palmer (1994) propose a measure of similarity of two concepts c1 and c2 based on the depth of concepts in the WordNet ... clear, on inspection of the two sets of data, that they are more likely to be semantically similar than modifier-head word pairs, and the tests carried out for most of the measures of semantic similarity ... and Recall of Automatic Hyponymy Extraction In Proceedings of the 7th CoNLL G Hirst and D St-Onge 1998 Lexical Chains as representations of context for the detection and correction of malapropisms...
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Báo cáo Y học: Elucidation of the role of fructose 2,6-bisphosphate in the regulation of glucose fluxes in mice usingin vivo 13 C NMR measurements of hepatic carbohydrate metabolism docx
Ngày tải lên :
17/03/2014, 17:20
... saturation ensured complete elimination of signals from outside of the volume of interest The localized signals of glycogen and glucose were acquired with spectrometer offset set to 100 p.p.m (64 scans ... NMR signals of glycogen and glucose in vivo were quantified by comparison with the measurements of phantoms containing solutions of % 400 mM natural abundance oyster glycogen and 0.9 mM of 99% enriched ... volume of interest using a three-dimensional localization method The location of the volume of interest, with a nominal volume of 400 lL was based on sagittal and transverse MR images of the...
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MEASUREMENTS OF AIR POLLUTION FROM A DANISH HIGHWAY pot
Ngày tải lên :
23/03/2014, 00:20
... (Station 2) in order to improve the evaluation of the NOx measurements and for model calculations of NO2 Figure 5.1 presents the results of the ozone measurements at Station 200 O3 180 Station (1238) ... few measurements of the emission factors for particle mass from highway traffic have been carried out Therefore a measurement campaign with focus on direct measurement of emission factors of PM2.5 ... range transported fraction of the particle mass is relatively high Consequently, the fraction of PM2.5 and PM10 originating from the highway traffic is low The measurements of the particle size distribution...
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Measurements of Event Shapes in Deep Inelastic Scattering at HERA with ZEUS docx
Ngày tải lên :
23/03/2014, 10:20
... calculation of the hadronization will be tested The calculation of the effects of hadronization rests on a class of observables that measures the energy flow of the DIS event This class of observables ... specific types of interactions with certain types of particles Image courtesy of [3] 1.1.4 Fields Basic quantum mechanics deals with the quantized treatment of dynamical sys- tems of particles ... transformation The signifies that the matrix is of dimension The success of QED led eventually to the combination of the U(1) description of QED with an SU(2) description of the weak force to form a SU(2)...
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Báo cáo hóa học: " Simultaneous measurements of kinematics and fMRI: compatibility assessment and case report on recovery evaluation of one stroke patient" potx
Ngày tải lên :
19/06/2014, 08:20
... comparability of motion parameters represent the main Page 14 of 17 advantage of using motion capture system with respect to EMG, where the level of noise of the recorded signal and the criticality of electrodes ... [28] For each acquisition, the center of mass of activated areas was calculated, weighting the intensity, of each cluster of voxels included into the areas of interest (motor ROIs) To estimate ... computed The frequency (f) of movement (number of cycles for each 30 s block) was calculated; the same number of repetitions for the two analyzed fingers is a proof of correct task execution The...
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Báo cáo hóa học: " The relation between Ashworth scores and neuromechanical measurements of spasticity following stroke" doc
Ngày tải lên :
19/06/2014, 08:20
... non-paretic side of a total number of 34 stroke survivors The following inclusion criteria were applied: stable medical condition, absence of aphasia or significant cognitive impairment, absence of motor ... chair The seat was adjusted to provide shoulder abduction of 80°, or knee flexion of 60°, and align the joint axis of the rotation with axis of the torque sensor and the motor shaft (Fig 1B) Recordings ... contribution of stretch reflex mechanisms The colored area reflects the integral of the torque response elicited by the rising edge of the pulse perturbation-it's a good (if indirect) estimate of reflex...
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báo cáo hóa học:" Different effects of femoral and tibial rotation on the different measurements of patella tilting: An axial computed tomography study" doc
Ngày tải lên :
20/06/2014, 01:20
... principles of research, and the informed consent was obtained Results Figure the knee Measurements of PTAs and the neighboring bone rotation of Measurements of PTAs and the neighboring bone rotation of ... computed tomography images of patients with PFPS were analyzed to explore the relationship between the different measurements of patella tilt angle and the measurements of its neighboring bone rotation ... between the measurements of patella tilting and the measurements of femoral, tibial rotation, or femoral rotation relative to tibia, and to trace whether the different patella tilt angle measurements...
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Báo cáo hóa học: " Research Article Measurements of MIMO Indoor Channels at 1800 MHz with Multiple Indoor and Outdoor Base Stations" docx
Ngày tải lên :
22/06/2014, 22:20
... pedestrian speed (approximately 0.9 m/s) The measurements included situations of line of sight (LoS) and nonline of sight (NLoS), as well as routes inside the of ces Three different floors in the building ... different end of the fourth floor in the S3 building (maximal spatial separation) (iv) Case D: the transmitter antennas (D12, D34) were located at the flat roof of the Q building (in front of the S3 ... characterization of the properties of outdoor-to-indoor propagation In all cases, we have measured the channel matrix as a function of location This allows us to study not only the statistical properties of...
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Báo cáo lâm nghiệp: "Online control of wood peeling process: Acoustical and vibratory measurements of lathe checks frequency" ppt
Ngày tải lên :
07/08/2014, 16:21
... this kind of experiments Its stiffness is necessary for the accuracy of vibratory, force or acoustic measurements The size of the sample moderates the effects of the natural variability of woods ... gives a simple representation of the signals’ envelop The length of the averaging window is determined by the duration of a peak and the number of peaks per unit of time Both depend on the experimental ... direction of the first natural vibration mode of the knife All these conclusions validate the use of this technique to characterize lathe check frequency 4.2 The use of lathe checks measurements...
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Báo cáo y học: "What do measurements of molecular biomarkers in different body fluids really tell us" doc
Ngày tải lên :
12/08/2014, 15:22
... still in an exploratory/assessment phase in our understanding of what molecular biomarkers can really offer us We have often seen that measurements in sera or urine may have no relationship to events ... joints The study population was very small, asking too much of statistical analyses, and often only SFs were examined [1] Studies were made of early events long before any degenerative structural ... additional information [5,6] Earlier work by Kraus and colleagues pointed to the importance of relating measurements in SF to urea to correct for dilutions caused by joint effusions [7] Yet this...
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Báo cáo y học: "Effects of contrast material on computed tomographic measurements of lung volumes in patients with acute lung injury" potx
Ngày tải lên :
12/08/2014, 19:21
... second step, the volumes of gas and lung tissue of each region of interest were calculated by adding the values of all of the compartments present within the region of interest considered In ... administration of contrast material creates a density artifact that may lead to an overestimation of lung tissue The aim of the present study was to evaluate the effects of intravenous injection of contrast ... aliquots of a solution containing 5% of iobitridol and weighed after each aliquot The volume of each aliquot of water was equivalent to its weight (physical density = mg/ml) The volume of each...
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Báo cáo khoa học: "Does fluid loading influence measurements of intestinal permeability" docx
Ngày tải lên :
12/08/2014, 22:21
... design, the volunteers ingested 100 ml of a solution containing 0.2 g of 3-O-methyl-D-glucose (3OMG), 0.5 g of D-xylose, 1.0 g of L-rhamnose, and 5.0 g of lactulose on two different days (Fig ... excretion of sugar probes in rats [3] Fluid loading is a common intervention in patients in intensive care Altered excretion of sugar probes by fluid loading would invalidate the measurement of intestinal ... recovery of 3-OMG, L-rhamnose, or lactulose Neither the L/R ratio (Fig 2) nor the 3-OMG/rhamnose ratio R235 We studied the effect of a postmucosal factor, fluid loading, on the urinary excretion of...
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Field measurements of CPT and pile base resistance in sand
Ngày tải lên :
13/08/2015, 10:38
... since the L/D ratio of a CPT exceeds that of a pile, the ratio of shaft to base area is higher, and hence the ratio of Qs/Qb Analysis of the interaction between the shaft and base offers a mechanism ... correction of the form of Equation 1, illustrated in Figure (Meyerhof, 1976; Valsankar & Meyerhof, 1977) Partial embedment is probably responsible for many further examples of recorded low values of ... at plunging failure, a mean ratio of predicted to measured capacity of 1.02 is found, with a standard deviation of 0.17 and a coefficient of variation (COV) of 0.17 This fit to the database in...
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Light sheet based fluorescence correlation and cross correlation spectroscopy for quantitative measurements of bio molecules in live cells
Ngày tải lên :
09/09/2015, 11:19
... eld in 2D (with units of number of particles per unit area) Ficks diffusion law, Eq (2.10), relates the rate of change of particle concentration at a point to the curvature of the concentration ... list of SPIM components 115 xi List of Tables 2.1 Brightness of a particle in green and red detection channels 27 4.1 Quantifying absolute diffusion coefcient 67 4.2 Summary of ... obtained with all types of array detectors for a sample of 0.1 àm uorescent latex beads in water 73 5.1 Results of the SPIM-FCCS calibration 82 5.2 Summary of SPIM-FCCS in solution...
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Measurements of Pressure and Vacuum
Ngày tải lên :
22/05/2016, 09:13
... of the sensor repeatability (of results of measurements) 33 w closeness of the agreement between the results of successive measurements of the pressure carried out under the same conditions of ... period of time mbar = 100 Pa; bar = 0.1 MPa Guide to the Measurement of Pressure and Vacuum reproducibility (of results of measurements) 33 w closeness of the agreement between the results of measurements ... (of results of measurements) Repeatability is defined as the “closeness of the agreement between the results of successive measurements of the pressure carried out under the same conditions of...
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Microbiology and technology of fermented foods by robert w hutkins
Ngày tải lên :
22/07/2016, 21:35
... presence of naturally-occurring microflora, whose composition and biological activities are often subject to considerable variation In addition, microorganisms are often exposed to a variety of inhibitory ... particularly in the case of polysaccharide-producing strains that form slime Heterofermentative metabolism of sugars by leuconostocs results in formation of a mixture of end-products, including ... forms of archaeological evidence indeed exist and have made it possible to not only establish the historical and geographical origins of many of these fermentations, but also to describe some of...
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