the potential of radio

Ngày tải lên: 28/09/2014, 15:37

... because of the pesticidal properties of these chemicals (Fenwick at al., 1983) and because of the potential use of methyl ITC as fumigant for wheat (Ducom, 1994). In our study on the rates of sorption ... (=20gm −3 ) and exposure time of 1 day were not effective in killing the insects at the bottom of the column when the fumigant was applied at the upper layer of the grain. Addition of CO 2 and circulation caused ... used. The main component of one of the oils was pulegone and of the other is not yet totally identified, and it is called SEM76. In space fumigation, these two volatiles caused total mortality of...

Ngày tải lên: 25/10/2013, 05:20

... native a-helices of the N-terminal 185 residues of the functional domain of the HA2 subunit of the influenza virus hemagglutinin protein and to detect conformational heterogeneity of the protein within ... and intermolecular b-sheets. The use of this spectroscopic technique for the study of IB aggregates is often limited by the intrinsic insolubility of the samples, responsible for a high level of light scattering ... microscopy, is of the order of 0.1 lm (in the image X, Y plane) due to the diffrac- tion limit of the employed light. Even in laser scanning confocal microscopy, the highest resolution of about 0.5...

Ngày tải lên: 06/03/2014, 00:20

... another section of the valley stretching from the town of Grande Isle to the town of Hamlin. The two areas were delineated as the research site because they are areas that contain all four of ... distribution. He mapped the surficial geology of the area describing the geologic unit, the materials present, the topography, and the origin of the unit. The geologic units identified in the two study ... used as the field-check for evaluating the validity of soils maps to represent the surficial geology of the study areas. The localities of 248 point stations out of a total of 301 in the study...

Ngày tải lên: 08/03/2014, 23:20

... enzyme protein/g glucan recovered 79.1% of potential glucan and 88.2% of potential xylan in solution from ADC final, and 83.3% of potential glucan and 89.1% of potential xylan from ADC green. Experimental ... summarized the effect of dilute sulfuric acid pretreatment on MSW feedstocks. Dilute acid pretreatment of MSW left most of the glucan from raw MSW. In the solids about 12 - 84% of the original ... gallon of ethanol could be theoretically produced from each dry ton of these MSW fractions. Thus, theoretical ethanol yields of these MSW fractions could be comparable or even higher than from other...

Ngày tải lên: 09/03/2014, 00:20

... secure the services of eminent members of appropriate professions in the examination of policy matters pertaining to the health of the public. The Institute acts under the responsibility given to the ... president of the National Academy of Sciences. The National Academy of Engineering was established in 1964, under the charter of the National Academy of Sciences, as a parallel organization of outstanding ... Department of Labor, and the science granting agencies—including the National Institutes of Health, the National Science Foundation, the Department of Defense, the Department of Agriculture, the Department...

Ngày tải lên: 14/03/2014, 19:20

... representativeness of the radionuclide concentration in samples used to estimate the radiocaesium content of the diet, or limited knowledge of the amounts of wild produce actually consumed. These last ... resuspension of 137Cs-ri~h sediments. Although some of the radiocaesium from Chernobyl has been transported out of lakes because of the high flows associated with the spring snowmelt at the time of ... carried out at the Isotope Laboratory of the Agricultural University of Norway. The counting errors were in the order of 1 % for the plant material and 10% for the water samples. The limit for...

Ngày tải lên: 15/03/2014, 19:20

... the following parameters. L consisted of three labeling schemes: the set L wd of word labels, the set L pt of preterminal labels, and the set L nt of nonterminal labels. The or- der < of the ... V n L denote the finite subset of V L that includes pre- cisely the model variables of the form S ij or L k ij , where j ≤ n. Basically then, our model consists of two types of decisions: (1) whether ... w), where n was the length of the sentence, and partial assignment w speci- fied the word and PT labels of the leaves. Given this partial assignment, the job of HLPDECODE was to find the most probable...

Ngày tải lên: 31/03/2014, 01:20

... interest here is in the way they interact. Figure 2 shows the structure of the system 2 . The functionality of the individual modules is briefly described below. Rhetorical Oracle (RO) The input to the sys- tem ... support the kind of modularised NLG architecture that the RAGS initiative presup- poses. Some of the complexity in the RICHES sys- tem is there to demonstrate the potential for dif- ferent types of ... access the data representations in a shared blackboard space and this allows the modules to be defined in terms of their functional role, rather than say, the kind of data they manipulate or their...

Ngày tải lên: 31/03/2014, 04:20

... or corrected-to-normal vision. The study was approved by the ethics committee of the Canton of Zurich and was in accordance with the latest version of the Helsinki declaration. Holper et al. Journal of NeuroEngineering ... and drafted the manuscript. TM and FS carried out the MATLAB® pre-processing. KE and DK participated in the design of the study. MW participated in the design and coordination of the study. All ... to interact with the VR environment. By adjustably mapping the move- ments of both the paretic and healthy limb onto the vir- tual limbs, the system offers individual training of upper limb motor...

Ngày tải lên: 19/06/2014, 08:20

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Ngày tải lên: 13/08/2014, 13:20

... with the data to be sent – Imprints a unique address on the data – The longer the code is, the more users will be able to share the same channel – Number of chips in the code • Determines the ... interference of noise – Boost the strength of the signal – Use of filters when receiving the signal • Attenuation – A loss of signal strength • Multipath distortion – As a radio signal is transmitted, the ... (continued) 27 Radio Frequency Spectrum (continued) 5 Mixers • Combine two radio frequency inputs to create a single output – Output is in the range of the highest sum and the lowest difference of the...

Ngày tải lên: 13/09/2012, 10:52