biodiversity on the great barrier reef large scale patterns and turbidity related local loss of soft coral taxa
OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 20 (end) doc
Ngày tải lên :
12/08/2014, 05:21
... Processes of Coral Reefs Wasson, R.J 1997 Run-off from the land to the rivers and the sea, in Great Barrier Reef Science, Use and Management, Symposium Proceedings Vol 1, Great Barrier Reef Marine ... instrument where the economy and the proposal are the driving variables and the environent and the EIA the dependent ones” (Rees, 1988) Preliminary environmental assessment and zoning of an area—sometimes ... change, coral bleaching and the future of the world’s coral reefs Marine Freshwater Research 50, 839 –866 IUCN (International Union for the Conservation of Nature) 1981 Great Barrier Reef World...
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Báo cáo sinh học: "Selection of allozyme genotypes of two species of marine gastropods (genus Littorina) in experiments of environmental stress by nonionic detergent and crude oil-surfactant mixtures" pptx
Ngày tải lên :
14/08/2014, 20:20
... (-80 °C) The duration of the test (2-10 days) varied, depending upon the concentrations of pollutants (Tables I, II) Similar trends have been observed in all concentrations, therefore the results ... against the genotype FF and the allele F in general and favored the genotype MM The fact that the statistical results also show a higher frequency of the allele M among the live animals than among the ... dead, is a consequence of the huge proportion of the genotype MM among the live animals; other M bearing genotypes were not favoured When the pollutant used was crude oil and non-ionic detergent...
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Báo cáo khoa học: " The role of marine salt and surfactants in the decline of Tyrrhenian coastal vegetation in Italy" ppt
Ngày tải lên :
08/08/2014, 19:21
... of NaCl The levels of Cl in the pine needles are related to the concentration of salt in the solution, whether the solution also contains surfactants (fig b) or not (fig a) Salt absorption does ... of non-ionic surfactants and the different levels of resistance exhibited by the various species The results of the 2nd experiment suggests that (at least at the higher concentrations) non-ionic ... illustrate the results of a number of experiments the aim of which was to measure the toxic- ity of the various components of polluted sea spray, both in isolation and in synergy MATERIALS AND METHODS...
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Báo cáo khoa học: "A rare case of “switch on and off” multi-system Langerhans cell histiocytosis in an adult patient" doc
Ngày tải lên :
10/08/2014, 23:21
... histiocytosis localization on the one-third medium which resolved (C and D) at the time of pulmonary manifestation S-100 protein and CD1a (Figures 3C and 3D) Her lung function tests, performed one month ... pulmonary lesions had secondarily regressed, and the patient is free of relapse to date In conclusion, in our patient, LCH osseous and pulmonary lesions regressed with a rare “switch on and off” ... cessation This case report describes for the first time in the literature a “switch on and off” mode of evolution of LCH The clinical course of the LCH varies, while its treatment, outcome and prognosis...
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Báo cáo y học: "Primary malignant pericardial mesothelioma - a rare cause of pericardial effusion and consecutive constrictive pericarditis: a case report" pps
Ngày tải lên :
11/08/2014, 14:21
... pericardial thickness of 10 mm and a whitecolored spot of the pericardium at the right ventricle There was no indication of tumor spread to adjacent structures, and there was no tumor on the epicardial ... response of PMPM to radiotherapy or chemotherapy A median survival time from the onset of symptoms is six months [8-10] Recently, newer chemotherapeutic regimens after complete excision of the ... Guidelines on the diagnosis and management of pericardial diseases executive summary; The Task force on the diagnosis and management of pericardial diseases of the European society of cardiology...
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color atlas of histopathology of the cervix uteri 2nd ed - c. dallenbach - hellweg, et al., (springer, 2006)
Ngày tải lên :
12/05/2014, 16:59
... irradiation).A conization should always contain the entire squamocolumnar junction Depending upon the age of the patient (Hamperl and Kaufmann 1959), that junction may be localized on the ectocervix, ... disease; they are supported by the addition of 35 new microphotographic illustrations The tumor nomenclature is adapted to the latest edition of the WHO classification; the morphology code of the ... indications and its advantages and disadvantages, which require careful consideration before the application of a method In general, there are questions about the interpretability of the specimen and...
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concise dental anatomy and morphology 4th ed. - j. fuller, et. al., (univ. iowa college of dentistry, 2001)
Ngày tải lên :
12/05/2014, 17:30
... the location of the height of contour on the facial and lingual surfaces on the crowns of teeth The height of contour, which is also known as the crest of curvature is the greatest area of contour ... select from a list of choices the correct information regarding the proper location of the height of contour on the facial and lingual surfaces of the teeth, and its major contribution to gingival ... be longer D Com~ensating Occlusal Curvature (Sphere of Monson) - The three dimensional curvature of the occlusal plane, which is the combination of the Curve of Spee and the Curve of Wilson From...
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encycopedia of materials characterization surfaces interfaces thin films c brundle et al bh 1992 pdf
Ngày tải lên :
27/06/2014, 23:20
... Multi-Photon Nonresonant Post Ionization Multiphoton Resonant Post Ionization Resonant Post Ionization Multi-Photon Ionization Single-Photon Ionization Sputter-Initiated Resonance Ionization Spectroscopy ... require the use of multiple techniques, the selection of which depends on the nature of the sample and the desired information This first chapter contains onepage summaries of each of the 50 techniques ... groupings of related techniques, a complete glossary of acronyms, and a tabular comparison of the major features of all 50 techniques The 10 volumes in the Series on characterization of particular...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 2 pps
Ngày tải lên :
11/08/2014, 02:21
... current It depends exponentially on the separation d between the tip and the sample, and linearly on the local density of states The exponential dependence of the magnitude of It upon d means that, ... electron column containing the electron source (i.e., the gun), the magnetic focusing lenses, the sample vacuum chamber and stage region (at the bottom of the column) and the electronics console containing ... between the principal refractive indices), the sign of elongation (location of the high and low refmtive indices in an elongated specimen), and the extinction angle (the angle between the vibration...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 3 pps
Ngày tải lên :
11/08/2014, 02:21
... deflection of the electron, and often this is accompanied by a loss of energy The angular deflection upon scattering effectively diminishes the localization of the spatial information in the - ... modulation of the yamplitude, which is determined by the intensity of the X-ray signal production from the ROI of the element of interest As the probe scans along the line, the CRT plots a graph of the ... correction accounting for the fraction of electrons backscattered by the sample and the volume of X-ray generation (the Zfactor); a correction for the absorption of the generated X rays in the sample...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 5 ppt
Ngày tải lên :
11/08/2014, 02:21
... data The other two arrows appear in the experimental data of Figure 3a only h e r a second monolayer is deposited The appearance of these diffraction peaks with the deposition of the second monolayer ... origin ofthe reciprocal lattice at the point of incidence of the incoming ray Directionsof the dfiacted beams depend on the radius (2& of the Ewald sphere Similarly, as the orientation of the crystal ... dapart, only the component of S in the direction along the line is constrained For a 2D problem, e.g., the one encountered in RHEED, two components of S in the plane of the surface are constrained...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 6 ppsx
Ngày tải lên :
11/08/2014, 02:21
... in the valence-band density of states, and thus the shape of the L W “peak” is derived from a self convolution of the valenceband density of states, and the width of the L W peak is twice the ... under good conditions It can produce a three-dimensional map of the composition and chemistry of a volume of a sample that is tens of pm thick and hundreds of pm on a side On the other hand, AES ... representationof the electronic energy levels of a C atom and the photoionizationof a C 1s electron (b) Schematic of the KEenergy distribution of photoelectrons ejected from an ensemble of C atoms...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 7 ppt
Ngày tải lên :
11/08/2014, 02:21
... variations are the focal region of the incident and collection optics, the relationship of the sample's image to the monochromator entrance slit, and the spectral response of the detector and optical ... product of the cross section for subshell ionization by the ion at the reduced energy, the fluorescence yield, and the concentration of the element at the depth The probability for X-ray emission ... biochemistry, and medicine, where it is known under the general name of fluorometry In PL of semiconductors, one monitors emission from the bottom of the conduction band to the top of the valence band...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 8 pptx
Ngày tải lên :
11/08/2014, 02:21
... symbol is the direction of the laser beam; the second symbol is the polarization direction of the laser beam; the thiid symbol is the polarization direction ofthe scattered beam; and the fourth ... excitations of vibrations ofthe chemical bonds and are specific to the type of bond and the group of atoms involved in the vibration IR spectroscopy as a method of quantitative chemical identification ... splitting the absorption resonances into multiple lines and shifting peak positions From these effects the local environment of the atoms concerned -the coordination number, local symmetries, the nature...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 9 pps
Ngày tải lên :
11/08/2014, 02:21
... Because of the high energy of the incident ions, the ion-target interaction is a series of binary events The de Broglie wavelength of the ion is on the order of 10-3A, so that difiaction and other ... Other than the obvious input of charges and masses of the ion and substrate atoms, the only inputs to the simulation are the positions and vibrational amplitudes of each of the atoms in the crystal ... zL The vector s u m & of these components produces a resultant qnt along the direction of 4 ,the a x i s of quantization, and hence affects the resonance condition As seen in Figure 2, the (and...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 10 pdf
Ngày tải lên :
11/08/2014, 02:21
... normal conditions (0-V offset) and under voltage offset conditions (50-V ofiet) The improvement in the detection limit of arsenicwith the use of a 50-Vo k results from discriminationof the 29Si30Si'60 ... depending on both the chemical composition of the sample and the composition of the primary ion beam Common primary ion beams are fbr SIMS + and Cs+each of which enhances secondary ion yields ... for the analysis of organic materials First, it is a soft ionization method, so there is less fragmentation in addition to that of the primary beam, and second, the photoionization cross sections...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 11 pps
Ngày tải lên :
11/08/2014, 02:21
... in Figure 7b The measurement identifies the redistribution of the Si to the interfaces, the diffusion of Al and Si into the TiN, and a strong difiiiion out of Ti from the TiN into the overlyingAl ... are nonetheless adequate for the qualification of the metal for low C, N, 0, F, and C1 contents The accuracy of the elemental concentration determination is independent of the amount present, and ... parison of mass spectra of the two regions may reveal the presence of additional elements in the defective region Those elements are often the cause or byproducts of the corrosion In this type of...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 12 pot
Ngày tải lên :
11/08/2014, 02:21
... Since the recognition in 1936 of the wave nature of neutrons and the subsequent demonstration of the diffraction of neutrons by a crystallinematerial, the development of neutron diffraction as ... energy, and the concentration of l at that depth Once again, the observed profile is a convolution of the actual concentration profile with a spreadingorenergy resolution function that takes into consideration ... measurement of the Zn concentration and therefore can be used to check the consistency and quality of the analysis O n the other hand, GGZn produce will G7Zn,which is nonradioactive and therefore...
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