integration of human impacts and natural disturbance
OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 20 (end) doc
... local councils, and by state and federal politicians But pressure to get the most out of the reef through tourism and fishing is huge, driven by the pursuit of profit and jobs, and consequently ... and is still continuing, and the landscape has been profoundly altered by human activities (see Johnson et al., Chapter 3, this book) Land clearing is accelerating; in 1999 over 400,000 of land ... catchment 60% of the Melaleuca wetlands are gone, and 50% of the rainforest, and this is considered typical of other catchments Approvals for clearing and agriculture in lowlying and flood-prone...
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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
... oral dose of Kuwait or South Louisiana crude oil, caused cessation of growth, osmoregulatory impairment, and hypertrophy of hepatic adrenal and nasal gland tissue The biological effects of oil pollution ... least some of the genetic diversity found in natural populations may be exploitable in the service of man as a genetic monitor of marine pollution - - - MATERIAL AND METHODS Species tested and experimental ... influence of detergent on solubility, activity and electrophoretic mobility of proteins The in vivo effects of detergents on the marine biota were reported in several studies; on the chemical senses of...
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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
... 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 Determination ... Effects of natural and induced pollution on the leaf wax structure of three cypress species Eur J For Path 22, 107-114 Rinallo C, Raddi P (1989) Effects of simulated acid rain and ABS of some ... behaviour of the species tested suggests that resistance to the action of aerosols is the result of the strength of the structures protecting the leaf, and increases with sclerophyllia and with...
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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
... “switch on and off” mode of evolution of LCH The clinical course of the LCH varies, while its treatment, outcome and prognosis cannot be precisely defined, since, owing to its relative rarity, and large, ... 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” mode This uncommon case of remission of ... symptoms of disease activity, and her chest X-rays and lung function tests remain stable Discussion Our patient had multi-system disease involving alternatively bone and lung The rarity of this...
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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
... effusion and a thickened pericardium of the free wall of the right ventricle (see Movies and 2) Diagnosis of pericardial diseases can be challenging and often requires a multimodal imaging approach ... 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 Eur Heart ... MRI, CT and FDG-PET scans [6,7] The majority of reported pericardial tumors are metastatic in nature and indicate a poor prognosis Primary tumors of the pericardium are extremely rare, and PMPM...
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color atlas of histopathology of the cervix uteri 2nd ed - c. dallenbach - hellweg, et al., (springer, 2006)
... carcinomas of the cervix express mostly CK 13, often combined with CK and 18, and glandular carcinomas of the cervix are more likely to express CK and 18 (Smedts et al 1992) p63, a homolog of the ... Tumor Cell Differentiation Distinction of Squamous, Glandular and Neuroendocrine Lesions The distinction of squamous, glandular and neuroendocrine carcinomas of the cervix is clinically significant ... membrane, of one or several layers of small parabasal cells, of a broad intermediate cell zone with abundant cytoplasmic glycogen, and of a covering layer of narrow, superficial cells In childhood and...
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concise dental anatomy and morphology 4th ed. - j. fuller, et. al., (univ. iowa college of dentistry, 2001)
... - Elevated and usually pointed projections of various sizes and shapes on the crowns of teeth They form the bulk of the occlusal surfaces of posterior teeth, and the incisal portion of canine ... Another integral part of the master plan of tooth form and arrangement is the location of the height of contour on the facial and lingual surfaces on the crowns of teeth The height of contour, which ... Position and angulation of marginal ridges - The location and angulation of the marginal ridges of incisors (and canines) contrast markedly with the same features of the marginal ridges of posterior...
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encycopedia of materials characterization surfaces interfaces thin films c brundle et al bh 1992 pdf
... Charles k Evans, Jr., and Shaun Wilson Characterizationof Mekth and Alloys, Paul.H Holloway and P N Vaidyanathan Characterizationof Ceramics, Ronald E Loehman Characterimtion of Pobmers, Ned J Chou, ... on the newer areas of surfice, interface, and thin film microcharacterization The Series is composed of the leading volume, Enychpedia of Materialj Characterization ,and a set of about 10 subsequent ... 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...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 2 pps
... Figure Micrographs of a machine screw illustrating the great depth of field of the SEM: (a) optical micrograph of the very tip of the screw; (b) and (c) the same area in the SEM and a second image ... the puzzle of the atomic structure of this well studied surface, thereby establishing firmly the credibility and importance of this form of microscopy For the invention of STM, Binnig and Rohrer ... to Scanning and Transmission Electron Microscopes (SEMs and TEMs), and optical and stylus profdometers The change was brought about chiefly by the introduction of the ambient SFM and by improvements...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 3 pps
... in (a, c) (Courtesy of G T Gray 111, Los Alamos National Laboratory) of “discs”instead of spots This is a consequence of the use of focused or convergent illumination instead of parallel illumination ... important aspect of the TEM technique is the preparation of high-quality thin foils for observation This is an old, ever-expanding, complicated, and intricate field of both science and art There ... The main advantages of EDS are its speed of data collection; the detector’s e%ciency (both analytical and geometrical);the ease of use; its portability; and the relative ease of interfacing to...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 5 ppt
... a more quantitative understanding of chemical and structural properties of surfices and interfaces XPD and AED offer both with a relatively small investment in time and equipment, if one is using ... Observation of changes in the diffraction pattern gives a qualitative analysis of a phase transition Measurement of the intensiey and the shape of the profile gives a quantitative analysis of phase ... boundaries and the influence of finite sizes on the tran~ition.~ Dynamics of phase transitions, ordering, disordering, and growth Measurement of the time evolution of the diffracted intensity and the...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 6 ppsx
... 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 width of the ... andAuger Spectroscopj Plenum, 1975 A complete and largely readable treatment of both subjects 11 PracticaISufaceAmlysis, edited by D Briggs and M E Seah, published by J Wiley; Handbook ofXPSand ... (angle, photon energy, and polarization) picks out specific parts of the density of states A fuller description of this type of work' is beyond the scope of this article and is not particularly...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 7 ppt
... intensities and known compositions and thicknesses of thin-film standards A large number of standards are needed for the predetermination of the empirical parameters before actual analysis of an unknown ... between results of XRF and AAS or EPMA, and the average deviation is 0.9% between XRF and AAS and is 1.1% between XRF and EPMA It is worth noting that the compositions of more than half of the FeNi ... depth of an electron beam is about an order of magnitude smaller than that of X rays See the articles on EDS and EPMtL) Measurements of the characteristic X-ray line spectra of a number of elements...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 8 pptx
... the plane of incidence, p refers to the component parallel to the plane of incidence, and rand i refer to reflected and incoming light The plane of incidence is defined by the incoming and outgoing ... expressed in terms of the amplitude factor tan Y, and the phase factor exp jA or, more commonly, in terms of just Y and A Thus measurements of Y and A are related to the properties of matter via Fresnel ... 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 two materials, such as SiO, and...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 9 pps
... generation, amplification, mixing, and detection of radiofrequency and NMR signals, and a digital electronicspart, consisting of a pulse programmer, a digitizer, and an on-line computer Equipment ... 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 sample matrix The scattering and ... hydrogen in natural geological specimens? a study of stress-induced redistribution of hydrogen in metal films? and a study of the effects of hydrogen content upon the optical, mechanical, and structural...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 10 pdf
... Modes of Analysis and Examples SALI applies two methods of post-ionization, MPI and SPI, each of which can be used in one of the three modes of analysis: survey analysis, depth profiling, and mapping: ... distribution ( x and y) of specific preselected elements In certain circumstances, an imaging depth profile is acquired, combining the use of both depth profiling and imaging Depth Profiling Mode ... These depth profiles were obtained under 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...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 11 pps
... primary area of application of LIMS Semiquantitative and qualitative applications of LIMS have been developed and are discussed in the remainder of this article Applications Most applications of LIMS ... because of poor adhesion of the metallic layer The spectrum shown in Figure was acquired from a defective window, and reveals the presence of intense signals of C - and Br-, neither of which ... understanding of the basic mechanisms of laser-solid interactions, and improved methods for data handling and statistical analysis Among the hardware improvements, one can count the advent of post-ionization...
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Encycopedia of Materials Characterization (surfaces_ interfaces_ thin films) - C. Brundle_ et al._ (BH_ 1992) WW Part 12 pot
... depends on the number ofsamples to be analyzed per day, the number of elements of interest, whether the analysis will be ofsimilar samples o of a wide range of samr ple types, and whether the chosen ... matching, the method of standard additions (and its multivariant extensions), and the use of internal standards.' 2, Applications ICP-OES has been applied to a wide range of sample types, with ... nonresonant profiling An exam le of t i technique is the profiling of l hs using the reaction l a) '%J Figure shows the cross section of this reaction as a function of (p, 684 NEUTRON AND NUCLEAR...
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