the sea surface temperature story on the great barrier reef during the coral bleaching event of 1998
OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 20 (end) doc
... 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 ... signed a letter of objection to the Minister Even the conservative Academy of Sciences (often used for advice by the Commonwealth) expressed concern at the inadequacy of the assessment The President ... ways beyond money It is not just another coral reef, but the best world coral reef It is probably also our greatest natural icon Young students, demonstrating against the development on the Hinchinbrook...
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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
... pollution on the genetic patterns of allozyme polymorphisms Oil pollution of the sea has received a great deal of attention from research workers throughout the world, especially due to disasters of ... (-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 ... 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
... related to the concentration of salt in the solution, whether the solution also contains surfactants (fig b) or not (fig a) Salt absorption does not appear to be influenced by the presence of the surfactant ... quantities of Na and Cl in the + leaves In coastal species, in normal conditions, the absorption of sea salt is limited by the normal defence mechanisms of the leaves, but in the cases examined here the ... fact the spontaneous coastal vegetation has adapted to the action of salt, so that natural marine sprays only cause rather limited damage, consisting primarily of changing the shape of the crown...
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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
... mode This uncommon case of remission of multi-system LCH indicates the unpredictable evolution of the disease, raising the question of conservative management in such a patient Page of 10 11 12 13 ... is usually a single-system disease in adults, the presence of a bone lesion as an extrapulmonary manifestation is not so rare [3] Spontaneous regression of bone lesions has also been observed in ... 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 after the...
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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
... 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 ... site This was considered to be a PMPM because no signs of a pleural mesothelioma were found Despite the abovementioned findings of the magnetic resonance imaging (MRI) scan of the chest, FDG-PET,...
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color atlas of histopathology of the cervix uteri 2nd ed - c. dallenbach - hellweg, et al., (springer, 2006)
... 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 ... reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilm or ... excision of the transformation zone) indicates use of a wire loop and electric current to remove part of the cervix with the entire transformation zone For that the entire transformation zone must...
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concise dental anatomy and morphology 4th ed. - j. fuller, et. al., (univ. iowa college of dentistry, 2001)
... 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 inciso(occ1uso) ... operations, for if one side of the embrasure is contoured differently than the other, it may affect the health of the periodontium For example, if the dentist finds that the outline of one of the ... 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...
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encycopedia of materials characterization surfaces interfaces thin films c brundle et al bh 1992 pdf
... 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 ... the atoms on the surface and those on the tip cause the deflection of a microfabricated cantilever Because the magnitude of the tunneling current or cantilever deflection depends strongly upon...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 2 pps
... from the surface of a magnetic sample The orientation of the magnetization is determined from the sign of the rotation and the geometry of the setup MOKE measurements can be made as a function of ... over the surface of the specimen, Figure As the electrons penetrate the surface, a number of interactions occur that can result in the emission of electrons or photons from (or through) the surface ... hydrogen Use of polarized neutrons permits the determination of the variation in the magnetic moment as a function of depth In all cases the optical transform of the concentration profiles is obtained...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 3 pps
... 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 ... 2.5 Another consideration in the determination of the optimum is the depth of X-ray production in bulk samples, especially if one component strongly absorbs the radiation emitted by another This ... incident radiation must be greater than the ionization energy of the particular atomic shell in question For electrons, the ionization cross section Q is calculated using a hnction of the form (11U)ln...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 5 ppt
... 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 ... 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 ... 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...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 6 ppsx
... 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 ... its output is the energy distribution of the secondary electrons released by the probe beam from the sample, although only the Auger electron component of the secondaries is used in the analysis ... directed onto the same area that is being Auger analyzed The ion beam sputters material off the surface so that the analysis measures the variation, in depth, of the composition of the new surfaces,...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 7 ppt
... 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 ... the deceleration of ions (called bremrstrahung3 compared to that generated by the stopping of the electrons, and of the similarity of the cross sections for ionizing atoms by ions and electrons ... 13 .The proceedings of the 18th Annual Denver Conference on Applications of X-ray Analysis; the central theme of the Conference was interactionsand applications of low-energy X-rayS s D Laguitton...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 8 pptx
... describing the orientational relations (the Port0 notation) is illustrated in Figure as z(xz)y The first symbol is the direction of the laser beam; the second symbol is the polarization direction of the ... broadly applicable The strength of the absorption depends upon changes in the dipole moment of the material during the vibrational motion of the constituent atoms However, these moments are also ... regions (one is an interfacial region of thickness %, and the other is a surface region of thickness t4) One of the films t l or t3 may consist of microscopic (less than 100 nm size) mixtures of...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 9 pps
... By 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 ... Quantification As noted above, the calculation of elemend concentrations and thicknesses by RBS depends upon the scattering cross section of the element of interest and the stopping cross section of the ... exceeding the Rutherford cross section by two orders of magnitude ConcentrationProfiles As in RBS analysis, ERS can provide information on the atomic concentration of hydrogen as a function of depth...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 10 pdf
... depth profile (secondary ion intensity versus sputteringtime) of a silicon sample containing a boron ion implant elements as a function of time, a profile of the in-depth distribution of the elements ... 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 ... to the surface of the sample, interacting with the sputtered secondary ions and neutrals to enhance the ionization of the neutrals, which are then detected in the mass spectrometer SALI, in the...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 11 pps
... appears to have the most influence on the measured mass resolving power is the duration of the ionization event, which may be longer than the duration of the laser pulse (5-10 ns), along with probable ... 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 ... this proportionality, one due to the nonlinear output of the electron multiplier at high-input ion signals, and the other due to the dynamic range of the digitizer The dynamic range of typical...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 12 pot
... Introduction Basic Principles Neutron Sources Utility Conclusions Introduction Since the recognition in 1936 of the wave nature of neutrons and the subsequent demonstration of the diffraction of neutrons ... 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 ... from the reaction of the 15Nwith IH is measured When the energy of the incident beam & is equal to the resonance energy ER, the y yield is proportional to the hydrogen content on the sample surface...
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