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Letteratura scientifica selezionata sul tema "Perth"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 gennaio 2023

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Articoli di riviste sul tema "Perth"

1

Houghton, D. S. "Perth". Cities 7, n. 2 (maggio 1990): 99–106. http://dx.doi.org/10.1016/0264-2751(90)90064-e.

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2

Hillier, Jean. "Perth, Australia". Planning Practice & Research 7, n. 3 (dicembre 1992): 33–35. http://dx.doi.org/10.1080/02697459208722857.

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3

Stratton, Jon. "Perth Cultural Studies". Thesis Eleven 137, n. 1 (1 agosto 2016): 83–105. http://dx.doi.org/10.1177/0725513616647559.

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In the early 1980s Perth was probably the most important city in Australia for Cultural Studies. Through that decade many intellectuals who became leaders in Australian Cultural Studies and important players in Cultural Studies outside of Australia worked in Perth. Among them were John Fiske, John Frow, John Hartley, Tom O’Regan, Lesley Stern, Graeme Turner and, a decade later, Ien Ang. This essay discusses the presence of these academics in Perth and advances some reasons why Perth became so important to Cultural Studies in Australia. It also discusses the kind of Cultural Studies that became privileged in Perth and considers some of the reasons for this. Perth Cultural Studies in the 1980s was primarily text-based and focused on screen-related popular culture, especially television programs and popular film. Cultural Studies in Perth developed in a city thought of as marginal to Australia, in institutions that were either not universities or, in the case of Murdoch University, was a very new university, by cosmopolitan academics who mostly came from either elsewhere in Australia or from the United Kingdom.

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4

Philippou, Helen, Rebecca Brown, Kurtis R. Lee, Sherina L. Murden, Emma Phillips, Christopher Reilly-Stitt, Daniel Whalley et al. "Partial deletion of the αC-domain in the Fibrinogen Perth variant is associated with thrombosis, increased clot strength and delayed fibrinolysis". Thrombosis and Haemostasis 110, n. 12 (2013): 1135–44. http://dx.doi.org/10.1160/th13-05-0408.

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SummaryGenetic fibrinogen (FGN) variants that are associated with bleeding or thrombosis may be informative about fibrin polymerisation, structure and fibrinolysis. We report a four generation family with thrombosis and heritable dysfibrinogenaemia segregating with a c.[1541delC];[=] variation in FGA (FGN-Perth). This deletion predicts a truncated FGN αC-domain with an unpaired terminal Cys at residue 517 of FGN-Aα. In keeping with this, SDS-PAGE of purified FGN-Perth identified a truncated FGN-Aα chain with increased co-purification of albumin, consistent with disulphide bonding to the terminal Cys of the variant FGN-Aα. Clot visco-elastic strength in whole blood containing FGN-Perth was greater than controls and tPA-mediated fibrinolysis was delayed. In FGN-Perth plasma and in purified FGN-Perth, there was markedly reduced final turbidity after thrombin-mediated clot generation. Consistent with this, FGN-Perth formed tighter, thinner fibrin fibres than controls indicating defective lateral aggregation of protofibrils. Clots generated with thrombin in FGN-Perth plasma were resistant to tPA-mediated fibrinolysis. FGN-Perth clot also displayed impaired tPA-mediated plasmin generation but incorporated α2-anti-plasmin at a similar rate to control. Impaired fibrinolysis because of defective plasmin generation potentially explains the FGN-Perth clinical phenotype. These findings highlight the importance of the FGN αC-domain in the regulation of clot formation and fibrinolysis.

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5

Moss, Michael. "ALBERT W. HARDING, Pullars of Perth. (Perth, Perth and Kinross District Libraries, 1991, pp. 192, £9.00)." Scottish Economic & Social History 13, n. 1 (maggio 1993): 106–7. http://dx.doi.org/10.3366/sesh.1993.13.13.106a.

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6

Hall, Peter B., e Robert L. Kneale. "PERTH BASIN REJUVENATED". APPEA Journal 32, n. 1 (1992): 33. http://dx.doi.org/10.1071/aj91004.

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The northern Perth Basin is an area where recent seismic advances combined with new geological insight, have led to exploration success with a significant new gas field discovery at Beharra Springs and a number of other minor discoveries. This paper outlines 'new concepts' with regard to stratigraphy and structure and how this has been balanced with the commercial environment to rejuvenate exploration in the northern Perth Basin. The Perth Basin is unique in Australia, as running through the middle of the Basin is the West Australian Natural Gas (WANG) pipeline which will be operating at approximately 26 per cent of its capacity in 1992. With the deregulation of the natural gas market in 1988, supply of gas to the Western Australian market via the State Energy Commission of Western Australia (SECWA) pipeline from the Carnarvon Basin, and in particular, the North West Shelf project, can now be balanced with supply from the onshore Perth Basin carried by the WANG pipeline.The minimum economically viable gas field in the northern Perth Basin is calculated to be 15 BCF (16.05 PJ) and the expected median field size is 50 BCF (53.5 PJ) of recoverable gas. Based on the historical success rate of one in eight, typical finding costs are 12 c/MCF (12 c/GJ).In the 1990/91 financial year, eight onshore exploration wells were drilled in Western Australia of which five were drilled in the northern Perth Basin. Provided the market access and opportunities remain, it is anticipated that the recent technological developments will sustain exploration and development of the onshore northern Perth Basin.

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7

Kennewell, Catherine, e Brian J. Shaw. "Perth, Western Australia". Cities 25, n. 4 (agosto 2008): 243–55. http://dx.doi.org/10.1016/j.cities.2008.01.002.

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8

McConville, Chris. "Powering Perth: A History of the East Perth Power Station". Australian Historical Studies 44, n. 2 (giugno 2013): 323–24. http://dx.doi.org/10.1080/1031461x.2013.793253.

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9

Hadley, Lillian. "Perth Conference Opening Address". ANZTLA EJournal, n. 30 (11 aprile 2019): 3–4. http://dx.doi.org/10.31046/anztla.v0i30.1023.

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10

AM, Bill Gee. "Perth 2000 AGM date". Australian Veterinary Journal 78, n. 3 (marzo 2000): 141. http://dx.doi.org/10.1111/j.1751-0813.2000.tb10559.x.

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Più fonti

Tesi sul tema "Perth"

1

Schmidt, Susanne I. "Surface water, groundwater interactions and their association with sediment fauna in a Western Australian catchment /". Marburg : Tectum-Verl, 2005. http://deposit.ddb.de/cgi-bin/dokserv?id=2660074&prov=M&dok_var=1&dok_ext=htm.

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2

Utting, Muriel. "The Perth Observatory, 1940-1962". Thesis, Utting, Muriel (1999) The Perth Observatory, 1940-1962. PhD thesis, Murdoch University, 1999. https://researchrepository.murdoch.edu.au/id/eprint/51552/.

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Following the worldwide economic depression of the 1930s and the war years of the early forties the Perth Observatory was left in a rather dilapidated state. Its principal activities during this period were the time service and seismology and the former was a valuable contribution to the war effort. However due to economic constraints the Observatory staff had been reduced to two and this was barely sufficient to maintain these essential services. With the retirement of the second Government Astronomer for Western Australia, H.B. Curlewis, in 1940 a young surveyor Hyman Solomon Spigl, was appointed as his replacement. He faced a daunting task of reviving the fortunes of the Perth Observatory in a difficult economic climate. However, he applied himself to the task and soon succeeded in having the Perth Astrographic Catalogues printed in Europe. This was a huge task involving the analysis of hundreds of photographic plates collected over 40 years of careful study. These plates were analysed at the Royal Edinburgh Observatory as a result of Spigl’s persistence and dedication. The Perth Astrographic Catalogues are now universally recognised as a valuable contribution to astronomy and their publication kept faith with a commitment made by the first Government Astronomer, Ernest Cooke in 1896. Spigl also succeeded in maintaining and modernising the time service and this was an essential requirement for a modem industrial society. He fought tenaciously to retain the seismology service but the Commonwealth Government eventually took over control of this from the State, partly for defence purposes. Subsequently he tried to develop some scientific work in seismology at the Observatory but this was stifled by politics and a shortage of funds. As the economic climate improved in the fifties, Spigl directed his efforts towards developing new projects for the Perth Observatory. He negotiated with American astronomers to install a Markowitz Moon Camera on the 13” astrographic refractor. This was used to determine the Moon’s position accurately by star occultations with the aim of deriving absolute measures of latitude and longitude. The project was of considerable interest to mapping agencies in Australia and overseas and this project was part of an international effort coordinated by the United States. Spigl made several visits to the USA for consultations on this project and other international cooperative ventures. One of these was the international satellite tracking project known as Moonwatch, which began in the late fifties. This involved collaboration between the Perth Observatory and the Astronomical Society of WA in tracking the orbits of the first Earth satellites. This was a subject of great public interest and also of significance for defence purposes. This collaboration between amateur and professional astronomers was an excellent example of how high quality astronomical research could be carried out at a minimum cost. Through these efforts Spigl built support in the community for astronomy and the Perth Observatory began to expand again in the late fifties. New staff were appointed and plans were made for the eventual move from Kings Park to Bickley. Unfortunately, H.S. Spigl died in 1962, at the age of 51, at the height of his career, and his work was completed by his assistant B.J. Harris. This thesis explores the role of Spigl as a scientist interacting with Government, industry and the public to maintain a complex scientific institution in a difficult economic and political climate. It examines the difficulties that he faced in dealing with agencies and leaders who had short-term priorities and a lacked understanding of the long-term needs of scientific research. The success of Spigl's efforts despite these obstacles illustrates the skill required of scientists these days in managing major research facilities.

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3

Heitz, Anna. "Malodorous dimethylpolysulfides in Perth drinking water". Thesis, Curtin University, 2002. http://hdl.handle.net/20.500.11937/2162.

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Abstract (sommario):

The formation of an objectionable "swampy" odour in drinking water distribution systems in Perth, Western Australia, was first described by Wajon and co-authors in the mid-1980s (Wajon et al., 1985; Wajon et al., 1986; Wajon et al, 1988). These authors established that the odour, variously described as "swampy", "sewage" or "cooked vegetable" was caused by dimethyltrisulfide (DMTS) which has an odour threshold concentration of 10 nanograms per litre (ng/L). Investigations described in the present Thesis extend the work of Wajon and co-workers in attempting to establish the origin and cause of DMTS formation in Perth drinking water distribution systems.The DMTS problem appeared to be confined to water originating from a particular type of groundwater, specifically groundwater sourced from shallow, unconfined aquifers, which contain relatively high concentrations of sulfide, dissolved natural organic matter (NOM) and dissolved iron. DMTS was not present in the groundwater, but only formed in the distribution system, after treatment of groundwater via alum coagulation-filtration and oxidation processes. One objective of the present work was to determine the reasons for the observed association between DMTS formation and this specific groundwater type. A primary focus was to investigate the chemistry and biochemistry of sulfur species and NOM which might act as precursors to DMTS. The work was driven by the view that increased understanding of the problem might lead to more effective and acceptable treatment solutions than those presently in use.The observation that DMTS forms in distributed water that originates from groundwater, but not in water from surface sources has led to the hypothesis that groundwater NOM may contain precursor(s) to DMTS For example, it was proposed that methyl esters and ethers within humic substances might be a source of methyl groups that could participate in DMTS formation in distributed water (Wajon and Heitz, 1995; Wajon and Wilmot, 1992). Further, comparison of levels of reduced sulfur with levels of dissolved organic carbon (DOC) in groundwaters feeding Wanneroo GWTP revealed that a positive correlation between these two parameters existed. This observation provided further impetus to examine the nature of NOM in these groundwater systems. In the present study (discussed in Chapter 3), NOM from two Perth drinking water sources was isolated and characterised, with the aim of identifying major differences in structure and/or functional groups that might influence DMTS formation. NOM was isolated from water samples using ultrafiltration, and characterised using pyrolysis gas chromatography-mass spectrometry (Py-GC-MS) and offline- thermochemolysis/methylation (TCM). Pyrolysis of groundwater NOM yielded a high proportion of organosulfur compounds, primarily methyl thiophenes and sulfur gases, but did not yield detectable amounts of methoxy-aromatic compounds. Analysis by TCM yielded sulfur compounds tentatively identified as the methyl esters of methylthiopropanoate and methylthiobutanoate, compounds that may arise as degradation products of dimethylsulfoniopropionate (DMSP), an algal odmoregulator Compounds such as DMPS could potentially undergo reactions to form DMTS in distributed water.The task of investigating the formation of nanogram-per-litre concentrations of DMTS demanded the development of new analytical procedures that could be used to determine similarly low concentrations of DMTS precursors. Evidence existed to suggest that inorganic polysulfides could be plausible precursor compounds, and since no technique existed to analyse and quantify individual polysulfide homologues a new technique needed to be developed and verified. The technique, first used in a semiquantitative manner by Wajon and Heitz (1995), utilizes methyl iodide to derivatise polysulfides in-situ. The technique was developed further and shown to be quantitative and specific for inorganic polysulfides. Further, a new procedure for the determination of d i methyl polysulfides (DMPSs; CH3SnCH3, where n = 2-5), based on purge and trap was developed. In this new procedure analytes were trapped on a "Grob" activated charcoal tube, which was integrated into a commercially available, automated purge and trap instrument. Perdeuterated analogues of the DMPS analytes were synthesized and used as internal standards. These modifications resulted in a more rapid and robust procedure than the previously used procedures, vii which were based on closed loop stripping analysis (CLSA). Validation of the precision, accuracy, linearity and robustness of the new procedures for both inorganic polysulfides and dimethylpolysulfides is described in Chapter 4.Previous authors (Wajon and Heitz, 1995; Wajon and Wilmot, 1992; Wilmot and Wajon, 1997) hypothesized that DMTS could arise in the distribution system from residual polysulfides or other reduced sulfur compounds originating from groundwater. The latter authors showed that a small proportion of sulfide in the groundwater was not completely oxidised to sulfate during the water treatment process and proposed that this residual reduced sulfur fraction, which they referred to as non-sulfide reduced sulfur (NSRS) could contain precursors to DMTS. In a review of the chemistry of sulfide oxidation (Chapter 2) it was shown that the most likely forms of sulfur comprising the NSRS that enters the Wanneroo distribution system are organosulfur compounds and elemental sulfur, probably associated with organic matter in the form of a sulfur sol.Analysis of inorganic polysulfides in treated water, using the newly described method in Chapter 4, revealed that small amounts of these compounds (20-80 ng/L) were occasionally present in some samples. However, it was concluded that, since inorganic polysulfides could not survive water treatment processes, these compounds probably arose from traces of biofilm or pipe sediment that may have entered the water during sampling. It was proposed that the presence of biofilm particulates in water samples probably also accounted for observations that DMTS appeared to form in some water samples during storage of the sample. These studies are discussed in Chapter 5.The primary method of control of DMTS formation in the distribution system has been to maintain free chlorine residuals. However, the mechanisms by which this occurs have not been studied; the effectiveness of DMTS oxidation by chlorine, or how chlorine affects microbial processes that might form DMTS is not known. These issues are addressed in the final section of Chapter 5. Experiments to determine the effectiveness of oxidation of dimethyldisulfide (DMDS) and DIVITS (5 mu g/L) by free chlorine (0.2 to 0.6 mg/L) in distributed water showed that these substances are rapidly and completely oxidised in water containing a chlorine residual of more than 0.4 mg/L. However, slow regeneration of traces of DMDS and DIVITS after dissipation of free chlorine to non-detectable levels showed that these compounds were incompletely oxidised at the lower chlorine concentrations~ This provides some rationale for field observations that DIVITS occurs even where low, but measurable, chlorine residuals appear to exist (<0.2 mg/L).As was established in a review of the chemistry of reduced sulfur compounds Chapter 2), reducing conditions not present in the oxic bulk water are required for DMTS to form and to persist. It was therefore proposed that microbial reduction processes could generate anoxic microniches in the distribution system, within which DMTS production could occur. This hypothesis was investigated in Chapter 6; the new methods for analysis of organic and inorganic polysulfides were applied to the study of biofilms and deposits of colloidal material found in distribution pipes and storage reservoirs. The study demonstrated that these materials contained concentrations of methylated and inorganic polysulfides four to six orders of magnitude higher than those ever found in the bulk water phase. The results indicated that reducing conditions most probably exist within the biofilms and pipewall deposits, where these polysulfides were formed. The iron-rich pipe slimes appeared to protect the sulfur compounds against the oxidative effects of chlorine and dissolved oxygen. It was concluded that the organic and inorganic polysulfides most probably arise through microbial sulfate reduction processes that occur in anoxic microenvironments within the slimes and deposits.Microbial processes that lead to the formation of polysulfides and dimethylpolysuifides under conditions approximately representative of those in distribution systems were investigated in work described in Chapter 7. The aim of this work was to investigate the role of biofilms in the formation of DMTS and to determine the nature of chemical precursors which might stimulate these processes. Biofilms, artificially generated on synthetic supports within chambers filled with water from Wanneroo GWTP, were exposed to compounds thought to be potential DMTS precursors. The response of the systems in terms of production of methylated sulfur compounds was monitored. Conclusions of the study were that, under the test conditions, production of DMDS and DMTS could occur via several mechanisms and that these dimethyloligosulfides could be formed even without the addition of compounds containing sulfur or methyl moieties. DMTS did not form in the absence of biofilms and it was therefore concluded that minimisation of biofilm activity was a key in preventing DMTS formation. Outcomes of the work imply that environments within distribution systems are complex and dynamic, as perhaps manifested by the intermittent nature of the DMTS problem.Finally, in Chapter 8 the conclusions to the present studies are summarised. It is shown how they underpin the rationale for proposed new treatment solutions aimed at preventing DMTS problems in the Wanneroo zone, primarily by minimising microbial activity and biofilm formation within distribution systems.

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4

Heitz, Anna. "Malodorous dimethylpolysulfides in Perth drinking water". Curtin University of Technology, Department of Applied Chemistry, 2002. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=12576.

Testo completo

Abstract (sommario):

The formation of an objectionable "swampy" odour in drinking water distribution systems in Perth, Western Australia, was first described by Wajon and co-authors in the mid-1980s (Wajon et al., 1985; Wajon et al., 1986; Wajon et al, 1988). These authors established that the odour, variously described as "swampy", "sewage" or "cooked vegetable" was caused by dimethyltrisulfide (DMTS) which has an odour threshold concentration of 10 nanograms per litre (ng/L). Investigations described in the present Thesis extend the work of Wajon and co-workers in attempting to establish the origin and cause of DMTS formation in Perth drinking water distribution systems.The DMTS problem appeared to be confined to water originating from a particular type of groundwater, specifically groundwater sourced from shallow, unconfined aquifers, which contain relatively high concentrations of sulfide, dissolved natural organic matter (NOM) and dissolved iron. DMTS was not present in the groundwater, but only formed in the distribution system, after treatment of groundwater via alum coagulation-filtration and oxidation processes. One objective of the present work was to determine the reasons for the observed association between DMTS formation and this specific groundwater type. A primary focus was to investigate the chemistry and biochemistry of sulfur species and NOM which might act as precursors to DMTS. The work was driven by the view that increased understanding of the problem might lead to more effective and acceptable treatment solutions than those presently in use.The observation that DMTS forms in distributed water that originates from groundwater, but not in water from surface sources has led to the hypothesis that groundwater NOM may contain precursor(s) to DMTS For example, it was proposed that methyl esters and ethers within humic substances might be a source of methyl groups that ++
could participate in DMTS formation in distributed water (Wajon and Heitz, 1995; Wajon and Wilmot, 1992). Further, comparison of levels of reduced sulfur with levels of dissolved organic carbon (DOC) in groundwaters feeding Wanneroo GWTP revealed that a positive correlation between these two parameters existed. This observation provided further impetus to examine the nature of NOM in these groundwater systems. In the present study (discussed in Chapter 3), NOM from two Perth drinking water sources was isolated and characterised, with the aim of identifying major differences in structure and/or functional groups that might influence DMTS formation. NOM was isolated from water samples using ultrafiltration, and characterised using pyrolysis gas chromatography-mass spectrometry (Py-GC-MS) and offline- thermochemolysis/methylation (TCM). Pyrolysis of groundwater NOM yielded a high proportion of organosulfur compounds, primarily methyl thiophenes and sulfur gases, but did not yield detectable amounts of methoxy-aromatic compounds. Analysis by TCM yielded sulfur compounds tentatively identified as the methyl esters of methylthiopropanoate and methylthiobutanoate, compounds that may arise as degradation products of dimethylsulfoniopropionate (DMSP), an algal odmoregulator Compounds such as DMPS could potentially undergo reactions to form DMTS in distributed water.The task of investigating the formation of nanogram-per-litre concentrations of DMTS demanded the development of new analytical procedures that could be used to determine similarly low concentrations of DMTS precursors. Evidence existed to suggest that inorganic polysulfides could be plausible precursor compounds, and since no technique existed to analyse and quantify individual polysulfide homologues a new technique needed to be developed and verified. The technique, first used in a semiquantitative manner by ++
Wajon and Heitz (1995), utilizes methyl iodide to derivatise polysulfides in-situ. The technique was developed further and shown to be quantitative and specific for inorganic polysulfides. Further, a new procedure for the determination of d i methyl polysulfides (DMPSs; CH3SnCH3, where n = 2-5), based on purge and trap was developed. In this new procedure analytes were trapped on a "Grob" activated charcoal tube, which was integrated into a commercially available, automated purge and trap instrument. Perdeuterated analogues of the DMPS analytes were synthesized and used as internal standards. These modifications resulted in a more rapid and robust procedure than the previously used procedures, vii which were based on closed loop stripping analysis (CLSA). Validation of the precision, accuracy, linearity and robustness of the new procedures for both inorganic polysulfides and dimethylpolysulfides is described in Chapter 4.Previous authors (Wajon and Heitz, 1995; Wajon and Wilmot, 1992; Wilmot and Wajon, 1997) hypothesized that DMTS could arise in the distribution system from residual polysulfides or other reduced sulfur compounds originating from groundwater. The latter authors showed that a small proportion of sulfide in the groundwater was not completely oxidised to sulfate during the water treatment process and proposed that this residual reduced sulfur fraction, which they referred to as non-sulfide reduced sulfur (NSRS) could contain precursors to DMTS. In a review of the chemistry of sulfide oxidation (Chapter 2) it was shown that the most likely forms of sulfur comprising the NSRS that enters the Wanneroo distribution system are organosulfur compounds and elemental sulfur, probably associated with organic matter in the form of a sulfur sol.Analysis of inorganic polysulfides in treated water, using the newly described method in Chapter 4, revealed that small ++
amounts of these compounds (20-80 ng/L) were occasionally present in some samples. However, it was concluded that, since inorganic polysulfides could not survive water treatment processes, these compounds probably arose from traces of biofilm or pipe sediment that may have entered the water during sampling. It was proposed that the presence of biofilm particulates in water samples probably also accounted for observations that DMTS appeared to form in some water samples during storage of the sample. These studies are discussed in Chapter 5.The primary method of control of DMTS formation in the distribution system has been to maintain free chlorine residuals. However, the mechanisms by which this occurs have not been studied; the effectiveness of DMTS oxidation by chlorine, or how chlorine affects microbial processes that might form DMTS is not known. These issues are addressed in the final section of Chapter 5. Experiments to determine the effectiveness of oxidation of dimethyldisulfide (DMDS) and DIVITS (5 mu g/L) by free chlorine (0.2 to 0.6 mg/L) in distributed water showed that these substances are rapidly and completely oxidised in water containing a chlorine residual of more than 0.4 mg/L. However, slow regeneration of traces of DMDS and DIVITS after dissipation of free chlorine to non-detectable levels showed that these compounds were incompletely oxidised at the lower chlorine concentrations~ This provides some rationale for field observations that DIVITS occurs even where low, but measurable, chlorine residuals appear to exist (<0.2 mg/L).As was established in a review of the chemistry of reduced sulfur compounds Chapter 2), reducing conditions not present in the oxic bulk water are required for DMTS to form and to persist. It was therefore proposed that microbial reduction processes could generate anoxic microniches in the distribution system, within which ++
DMTS production could occur. This hypothesis was investigated in Chapter 6; the new methods for analysis of organic and inorganic polysulfides were applied to the study of biofilms and deposits of colloidal material found in distribution pipes and storage reservoirs. The study demonstrated that these materials contained concentrations of methylated and inorganic polysulfides four to six orders of magnitude higher than those ever found in the bulk water phase. The results indicated that reducing conditions most probably exist within the biofilms and pipewall deposits, where these polysulfides were formed. The iron-rich pipe slimes appeared to protect the sulfur compounds against the oxidative effects of chlorine and dissolved oxygen. It was concluded that the organic and inorganic polysulfides most probably arise through microbial sulfate reduction processes that occur in anoxic microenvironments within the slimes and deposits.Microbial processes that lead to the formation of polysulfides and dimethylpolysuifides under conditions approximately representative of those in distribution systems were investigated in work described in Chapter 7. The aim of this work was to investigate the role of biofilms in the formation of DMTS and to determine the nature of chemical precursors which might stimulate these processes. Biofilms, artificially generated on synthetic supports within chambers filled with water from Wanneroo GWTP, were exposed to compounds thought to be potential DMTS precursors. The response of the systems in terms of production of methylated sulfur compounds was monitored. Conclusions of the study were that, under the test conditions, production of DMDS and DMTS could occur via several mechanisms and that these dimethyloligosulfides could be formed even without the addition of compounds containing sulfur or methyl moieties. DMTS did not form in the absence of ++
biofilms and it was therefore concluded that minimisation of biofilm activity was a key in preventing DMTS formation. Outcomes of the work imply that environments within distribution systems are complex and dynamic, as perhaps manifested by the intermittent nature of the DMTS problem.Finally, in Chapter 8 the conclusions to the present studies are summarised. It is shown how they underpin the rationale for proposed new treatment solutions aimed at preventing DMTS problems in the Wanneroo zone, primarily by minimising microbial activity and biofilm formation within distribution systems.

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5

Stewart, Troy. "Performance evaluation of Perth PV systems". Thesis, Stewart, Troy (2015) Performance evaluation of Perth PV systems. Other thesis, Murdoch University, 2015. https://researchrepository.murdoch.edu.au/id/eprint/28265/.

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Abstract (sommario):

This paper focuses on the performance of the 56kWp PV installation of the north facing elevation of the library at the South Street campus of Murdoch University. This installation was the first step in Murdoch University’s goal to becoming the first privately owned solar power station and the largest PV installation in Perth, Western Australia [1]. In order to perform this analysis, it has been essential to gather output data for the installation from the data acquisition program, which operates around the clock recording this data from the array inverters. A crucial step was to collect weather and meteorological data from sources on the Murdoch campus, this data was used in the performance analysis in order to calculate system loss, efficiency and overall system performance. This analysis was performed in order to gain a better understanding of the subject matter of solar generation. There are still aspects of large scale solar power generation which are yet to be studied more extensively. This report is centred around the 56kWp solar generator located at Murdoch University’s South Street campus, to enable to University to gain a better understanding of the total power being produced from the system. It is also important to recognise where there is room for improvement in design and application through the study into areas such as soiling, shading and general performance characteristics. This report will allow the University to make an educated and informed decision on any future upgrades or extensions onto the existing system. Data acquired from the array was used to show how it performs in many different environmental conditions, through the use of modelling programs such as PVSyst and data graphing programs such as Microsoft Excel. By plotting output power data against temperature, rainfall, time of day and output voltage comparison graphs can be produced that allow readers to visualize and understand exactly how each characteristic affects the performance of PV systems in the Perth metropolitan region. Through this project the array performance characteristics were evaluated. It was found that the array has an average performance ratio of 0.85 for 2014, and that the array does indeed perform well in the Perth region. It was also found that shading impacts the array in a very noticeable way, this shows up as a noticeable depression on the affected inverters. Following through on a soiling study it was found that the array does indeed suffer from the soiling effect, most notably during long periods of dry weather. Degradation effects were also studied during the project but no evidence of these effects were found, these effects will be more prevalent in a longer period of study. These findings are significant because it allows for a comparison with other arrays in the Perth demographic, the typical array performance ratios in the Perth region is approximately 0.8 [2] [3], from this it can be concluded that the Murdoch array performs better than expected for the region. Shading impacts PV generation and this is evident in the array data. It can also lead to more significant issues such as hot spots and module damage and this can become a costly problem. Soiling has been proven in this scenario to reduce the overall performance of the array, this has been shown through a slow reduction in performance over a long dry period then an increase after a period of heavy rain. Degradation is the biggest issue affecting PV arrays around the world, the cells in the modules experience an aging effect and see a reduction in performance. The Murdoch array has not yet shown signs of degradation in the analysis period of this report of five years, this is indicative of the quality of the installation and the cell manufacturing quality.

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6

Cole, Peter. "Urban rail perspectives in Perth, Western Australia: modal competition, public transport, and government policy in Perth since 1880". Thesis, Cole, Peter (2000) Urban rail perspectives in Perth, Western Australia: modal competition, public transport, and government policy in Perth since 1880. PhD thesis, Murdoch University, 2000. https://researchrepository.murdoch.edu.au/id/eprint/660/.

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The decline of public transport in Western Australia is observed in four separate historical studies which narrate the political and administrative history of each major urban transport mode. Perth's suburban railway system is examined as part of the State's widespread rail network, including the extravagantly-equipped short-lived suburban railway in Kalgoorlie. Political interference in early railway operations is studied in detail to determine why Perth's rail-based public transport systems were so poorly developed and then neglected or abandoned for much of the twentieth century. The llnique events in Kalgoorlie at the turn of the century are presented as potent reasons for the early closure of Perth's urban tramway system and the fact that no purpose-built suburban railways were constructed in Perth until 1993. The road funding arrangements of the late nineteenth century are considered next, in order to demonstrate the very early basis for the present lavish non-repayable grants of money for road construction and maintenance by all three layers of government. The development of private and government bus networks is detailed last, with particular attention paid to the failure of private urban bus operators in the 1950s and the subsequent formation of a government owned and operated urban bus monopoly. The capital structure and accounting practices of public transport modes are analysed to provide a critique of popular myths concerning the merits of each. In order to obtain an impression of the changing political view of different transport modes, the attitude of politicians to public transport and the private motor car over the last one hundred and twenty years is captured in summary narrations of some of the more important parliamentary transport debates. Two possible explanations of public transport decline are discussed in conclusion; one relying a neoclassical economic theory of marginal pricing, and the other on an observation on the fate of large capital investments in the modern party-based democratic system of government.

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7

Cole, Peter. "Urban rail perspectives in Perth, Western Australia : modal competition, public transport, and government policy in Perth since 1880". Murdoch University, 2000. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20061122.125641.

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Abstract (sommario):

The decline of public transport in Western Australia is observed in four separate historical studies which narrate the political and administrative history of each major urban transport mode. Perth's suburban railway system is examined as part of the State's widespread rail network, including the extravagantly-equipped short-lived suburban railway in Kalgoorlie. Political interference in early railway operations is studied in detail to determine why Perth's rail-based public transport systems were so poorly developed and then neglected or abandoned for much of the twentieth century. The llnique events in Kalgoorlie at the turn of the century are presented as potent reasons for the early closure of Perth's urban tramway system and the fact that no purpose-built suburban railways were constructed in Perth until 1993. The road funding arrangements of the late nineteenth century are considered next, in order to demonstrate the very early basis for the present lavish non-repayable grants of money for road construction and maintenance by all three layers of government. The development of private and government bus networks is detailed last, with particular attention paid to the failure of private urban bus operators in the 1950s and the subsequent formation of a government owned and operated urban bus monopoly. The capital structure and accounting practices of public transport modes are analysed to provide a critique of popular myths concerning the merits of each. In order to obtain an impression of the changing political view of different transport modes, the attitude of politicians to public transport and the private motor car over the last one hundred and twenty years is captured in summary narrations of some of the more important parliamentary transport debates. Two possible explanations of public transport decline are discussed in conclusion; one relying a neoclassical economic theory of marginal pricing, and the other on an observation on the fate of large capital investments in the modern party-based democratic system of government.

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8

Liang, Jonathan Zhongyuan. "Seismic risk analysis of Perth metropolitan area". University of Western Australia. School of Civil and Resource Engineering, 2009. http://theses.library.uwa.edu.au/adt-WU2009.0142.

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[Truncated abstract] Perth is the capital city of Western Australia (WA) and the home of more than three quarters of the population in the state. It is located in the southwest WA (SWWA), a low to moderate seismic region but the seismically most active region in Australia. The 1968 ML6.9 Meckering earthquake, which was about 130 km from the Perth Metropolitan Area (PMA), caused only minor to moderate damage in PMA. With the rapid increase in population in PMA, compared to 1968, many new structures including some high-rise buildings have been constructed in PMA. Moreover, increased seismic activities and a few strong ground motions have been recorded in the SWWA. Therefore it is necessary to evaluate the seismic risk of PMA under the current conditions. This thesis presents results from a comprehensive study of seismic risk of PMA. This includes development of ground motion attenuation relations, ground motion time history simulation, site characterization and response analysis, and structural response analysis. As only a very limited number of earthquake strong ground motion records are available in SWWA, it is difficult to derive a reliable and unbiased strong ground motion attenuation model based on these data. To overcome this, in this study a combined approach is used to simulate ground motions. First, the stochastic approach is used to simulate ground motion time histories at various epicentral distances from small earthquake events. Then, the Green's function method, with the stochastically simulated time histories as input, is used to generate large event ground motion time histories. Comparing the Fourier spectra of the simulated motions with the recorded motions of a ML6.2 event in Cadoux in June 1979 and a ML5.5 event in Meckering in January 1990, provides good evidence in support of this method. This approach is then used to simulate a series of ground motion time histories from earthquakes of varying magnitudes and distances. ... The responses of three typical Perth structures, namely a masonry house, a middle-rise reinforced concrete frame structure, and a high-rise building of reinforced concrete frame with core wall on various soil sites subjected to the predicted earthquake ground motions of different return periods are calculated. Numerical results indicate that the one-storey unreinforced masonry wall (UMW) building is unlikely to be damaged when subjected to the 475-year return period earthquake ground motion. However, it will suffer slight damage during the 2475-return period earthquake ground motion at some sites. The six-storey RC frame with masonry infill wall is also safe under the 475-year return period ground motion. However, the infill masonry wall will suffer severe damage under the 2475-year return period earthquake ground motion at some sites. The 34-storey RC frame with core wall will not experience any damage to the 475-year return period ground motion. The building will, however, suffer light to moderate damage during the 2475-year return period ground motion, but it might not be life threatening.

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9

Goldsmith, John. "Recycling strategies in the Perth metropolitan area". Thesis, Goldsmith, John (1993) Recycling strategies in the Perth metropolitan area. Masters by Research thesis, Murdoch University, 1993. https://researchrepository.murdoch.edu.au/id/eprint/38185/.

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Issues of waste management and recycling have taken on increased importance in recent years. Kerbside waste recycling programmes are a relatively recent development in the field of municipal waste management. Although forms of waste recycling have been practised for many years, it is only within the last decade or so that kerbside recycling has developed in the Perth Metropolitan area. In fact, many council recycling programmes are only a few years old. The aim of the current study is to document and investigate local council municipal recycling programmes, in particular the kerbside recycling services, to determine those factors that affect the performance of recycling programmes. Data was collected on all municipal recycling programmes in the Perth Metropolitan area via a Questionnaire. A draft questionnaire was developed and tested on two Councils, and the refined questionnaire was sent to all 26 Councils in the Perth Metropolitan area. Students from the Murdoch University course "Waste Treatment and Recycling" (N211) interviewed the Council recycling or waste management officer, collected the questionnaire and (where appropriate) directed further questions at private recycling contractors. The questionnaire was structured in five parts and focussed on current and previous recycling programmes, financial and employment aspects of the current recycling programme, and a comments section to note special features of the programme. The Questionnaire achieved a 100% response rate. Almost all Councils (92.4%) have some form of organised recycling, either at selected drop-off points, or a kerbside collection service. 76.9% of Councils provide a kerbside collection service for recyclables. The most common collection containers are bags (46.2%) and Mobile Garbage Bins (19.2), with a few councils (11.5%) using crates. Two Councils (7.6%) have no recycling programmes. The most commonly recycled materials include newspaper, glass, plastics and aluminium cans. It was found that public interest in recycling is a major factor behind the establishment of local recycling programmes, in addition to Council reviews of waste management. Participation rates varied markedly, from high levels (79-93%) associated with the use of the MGB systems, to much lower levels (approximately 35%) for bag systems. The study tested a number of hypotheses and the findings are presented below. Hypothesis 1. Current recycling activity in the Perth metropolitan region is diverting a significant portion of waste from landfill disposal. The study found that Municipal recycling programmes are diverting significant portions of waste from the total waste stream, and in particular, the from the Municipal waste stream. Hypothesis 2. Strong promotional campaigns for recycling are associated with high levels of waste recycling. No clear relationship was found between the number of promotional mediums used by local council and the participation rate and yield. However, the extent and frequency of promotional campaigns are probably significant factors. Hypothesis 3. High Council charges for waste disposal are associated with high levels of household recycling. No statistically valid relationship was found between recycling rates and charges for the rubbish and recycling service. The hypothesis is not supported by the data. However, it is likely that the rate structure (ie. other than a flat rate structure, such as a volume or weight based structure) provides significant incentive to recycling. This could not be tested as all Councils charge their services on a flat rate basis. Hypothesis 4. Recycling programmes that use the Mobile Garbage Bin container for the collection of recyclable materials performs at higher levels than other containers. The Mobile Garbage Bin clearly has the highest average participation rates overall (85.5%), the crate system performs moderately at 49%, and the bag system generally performs at low participation rates (43%). Thus the data supports the hypothesis. Hypothesis 5. Kerbside recycling programmes that are serviced on a weekly basis perform at higher levels than fortnightly collection services. The general trend in the data shows that the weekly collection of containers is associated with higher levels of participation, recycling rates and yields. Thus, hypothesis 5 is supported by the general trend in the data. Hypothesis 6. Recycling activity declines as the recycling programme ages. The data was consistent with the hypothesis, but the relationship was not found to be statistically significant, due to most recycling programmes being of recent origin. The study has identified potential improvements in overall strategy and policy and these are outlined under "Recommendations". The recommendations focus on the establishment of a consolidated Government Waste and Recycling Authority, development and implementation of variable rate charging systems for rubbish and recycling programmes, improvements in the monitoring of private contractors and associated data collection, and investigations into the development of reprocessing industries within the Perth region.

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Leitao, Natalie C. "Teacher-student relationships in primary schools in Perth". Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2008. https://ro.ecu.edu.au/theses/196.

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This study investigated teacher-student relationships at Perth metropolitan schools in Western Australia. From the literature, three key social and emotional aspects that affect teacher-student relationships, namely, Connectedness, Availability and Communication, were identified as important to good, positive teacher-student relationships. Data were collected in four parts: (1) through a teacher questionnaire; (2) through a student questionnaire; (3) through teacher interviews; and (4) through student interviews. The three relationship aspects formed the structure of a teacher questionnaire in which ten stem-items were conceptualised from easy to hard - four stem-items for Connectedness, three for Availability, and three for Communication - and answered in three perspectives: (1) an idealistic attitude, this is what I would like to happen; (2) a self-perceived Capability, this is what I am capable of, and (3) Actual Behaviour, this is what actually happens, using three ordered response categories: not at all or some of the time (score 1), most of the time (score 2), and almost always (score 3). The same three aspects formed the structure of a student questionnaire in which ten stem-items were conceptualised from easy to hard and answered in two perspectives: (1)a realistic view, this is what does happen; and (2) an idealistic view, this is what I wish would happen. Questionnaire data were collected from 43 primary teachers concerning 139 teacher-student relationships and 139 primary school students. Interview data were collected from 25 primary teachers and 139 students gave either, or both, a brief written comment and some verbal answers to relationship questions.

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Più fonti

Libri sul tema "Perth"

1

McLennan, Rob. Perth flowers. Vancouver: Nomados, 2006.

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2

Perth & Fremantle. South Fremantle, W.A: Simon Nevill Publications, 2001.

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3

Wang, Paul W. Perth Amboy. Charleston, SC: Arcadia Pub., 2009.

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4

1934-, Harper Peter, a cura di. Perth sketchbook. Nedlands, W.A: University of Western Australia Press, 1995.

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5

A, Massopust Katherine, a cura di. Perth Amboy. Charleston, SC: Arcadia Pub., 2009.

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6

Lost Perth. Edinburgh: Birlinn, 2011.

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7

Around Perth. [Perth?: J.M. Pearson?], 2003.

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8

Perth & Kinross Council. Perth harbour. Perth: Perth & Kinross Council, 2003.

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Perth Amboy. Dover, N.H: Arcadia, 1996.

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10

Perth Academy. Art and Design Department. Perth Academy Calendar. Perth: Perth Academy, 1995.

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Più fonti

Capitoli di libri sul tema "Perth"

1

Gussen, Benjamen. "Perth". In Sharing Cities 2020, 95–97. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8037-6_23.

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2

Baldwin, Steve. "Perth/Forfar". In Recent Research in Psychology, 76–86. New York, NY: Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-3130-1_7.

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3

Maginn, Paul J. "Transforming Perth". In Urban Regeneration in Australia, 178–203. New York : Routledge, 2018.: Routledge, 2018. http://dx.doi.org/10.4324/9781315548722-9.

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4

Middle, Isaac. "Kings Park, Perth, Australia". In Why Cities Need Large Parks, 405–10. New York: Routledge, 2021. http://dx.doi.org/10.4324/9781003206378-39.

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Griffiths, John. "Empire Day Pageant at Perth". In Empire and Popular Culture, 265–66. London: Routledge, 2021. http://dx.doi.org/10.4324/9781351024822-36.

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Verschuur, Mary. "Merchants and Craftsmen in Sixteenth-Century Perth". In The Early Modern Town in Scotland, 36–54. London: Routledge, 2021. http://dx.doi.org/10.4324/9781003177739-2.

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Hanks, Laura Hourston. "Western Australia Museum Boola Bardip, Perth, Australia". In New Museum Design, 73–90. Abingdon, Oxon ; New York : Routledge, 2020.: Routledge, 2021. http://dx.doi.org/10.4324/9780429435591-4.

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Fox, Vashti Jane. "Fascism and Anti-Fascism in Perth in the 1980s". In Histories of Fascism and Anti-Fascism in Australia, 158–76. London: Routledge, 2022. http://dx.doi.org/10.4324/9781003120964-9.

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Cozens, Paul. "Shoplifting in Small Stores: A Qualitative Case Study in Perth, Western Australia". In Retail Crime, 155–77. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73065-3_7.

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10

Cox, Shaphan, e Christina Birdsall-Jones. "From Activists to Illegally Occupying Land: Aboriginal Resistance as Moral Ecology in Perth, Western Australia". In Moral Ecologies, 83–97. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-06112-8_4.

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Atti di convegni sul tema "Perth"

1

Broome, Steve, Arijit Chaudhuri, D. P. Singh e Arnab Nag. "Rediscovering North Perth Basin in Unconventional Arena". In International Conference and Exhibition, Melbourne, Australia 13-16 September 2015. Society of Exploration Geophysicists and American Association of Petroleum Geologists, 2015. http://dx.doi.org/10.1190/ice2015-2210720.

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2

Ibrahim, Muhammad, Naveed Akhtar, Mohammad A. A. K. Jalwana, Michael Wise e Ajmal Mian. "High Definition LiDAR mapping of Perth CBD". In 2021 Digital Image Computing: Techniques and Applications (DICTA). IEEE, 2021. http://dx.doi.org/10.1109/dicta52665.2021.9647060.

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3

Ghori, K. A. R. "Petroleum Systems of the Perth Basin, Western Australia". In International Conference and Exhibition, Melbourne, Australia 13-16 September 2015. Society of Exploration Geophysicists and American Association of Petroleum Geologists, 2015. http://dx.doi.org/10.1190/ice2015-2175174.

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4

Middleton, M. F. "The Gillingarra temperature anomaly, northern Perth Basin, Australia". In SEG Technical Program Expanded Abstracts 2010. Society of Exploration Geophysicists, 2010. http://dx.doi.org/10.1190/1.3513036.

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5

Rupalia, Vinod Ravji, e Vanissorn Vimonsatit. "A Study On Building Foundations In Perth Cbd". In The Seventh International Structural Engineering and Construction Conference. Singapore: Research Publishing Services, 2013. http://dx.doi.org/10.3850/978-981-07-5354-2_c-33-262.

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6

Hu, Yue. "The Impact of COVID-19 on Perth House Price". In 2022 7th International Conference on Financial Innovation and Economic Development (ICFIED 2022). Paris, France: Atlantis Press, 2022. http://dx.doi.org/10.2991/aebmr.k.220307.203.

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7

Burnton, Peter, Nick Birmingham e Stewart Buxton. "Elizabeth Quay Pedestrian Bridge, Perth - The Jewel of the Quay". In Footbridge 2017 Berlin. Chair of Conceptual and Structural Design, Fachgebiet Entwerfen und Konstruieren – Massivbau, Technische Universität Berlin, 2017. http://dx.doi.org/10.24904/footbridge2017.09603.

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8

Widmer, Marc. "Eradication in the absence of all biological knowledge:Lepisiota frauenfeldiin Perth". In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.92778.

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9

Allinson, William Guy, Richard Edward Dunsmore, Peter Neal e Minh Ho. "The Cost of Carbon Capture and Storage in the Perth Region". In SPE Asia Pacific Oil & Gas Conference and Exhibition. Society of Petroleum Engineers, 2006. http://dx.doi.org/10.2118/101122-ms.

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10

Lamont, M., B. Hartley e N. Uren. "Attenuation of long period multiples in the Perth basin western Australie". In 59th EAGE Conference & Exhibition. European Association of Geoscientists & Engineers, 1997. http://dx.doi.org/10.3997/2214-4609-pdb.131.gen1997_a009.

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Rapporti di organizzazioni sul tema "Perth"

1

Kettles, I. M. Surficial Geology, Perth, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/183815.

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2

Grosjean, Emmanuelle, Lisa Hall, Chris Boreham e Tamara Buckler. Source rock geochemistry of the offshore northern Perth Basin: regional hydrocarbon prospectivity of the offshore northern Perth Basin. Geoscience Australia, 2017. http://dx.doi.org/10.11636/record.2017.018.

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3

Hashimoto, T., A. Bailey, A. Chirinos e L. K. Carr. Onshore basin inventory volume 2: the Canning, Perth and Officer basins. Geoscience Australia, 2018. http://dx.doi.org/10.11636/record.2018.018.

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4

Hearn, Greg, Mark Ryan, Marion McCutcheon e Stuart Cunningham. Australian Cultural and Creative Activity: A Population and Hotspot Analysis: Fremantle. Queensland University of Technology, novembre 2021. http://dx.doi.org/10.5204/rep.eprints.216570.

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Fremantle is a small port city of only 29,000 people (36,000 if East Fremantle is included) that has vibrant and diversified creative industries and is geographically close to WA’s capital city Perth. Fremantle has a kind of New Orleans cultural DNA, where live music is cheap and affordable. Fremantle has a unique socio‐ cultural fabric that has contributed to the city’s large arts community and its reputation as an energetic creative city.

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5

Bodorkos, S., I. C. W. Fitzsimons, L. S. Hall, K. N. Sircombe e C. J. Lewis. Beneath the Perth Basin: new U-Pb SHRIMP zircon ages from the Pinjarra Orogen, Western Australia, 2016. Geoscience Australia, 2016. http://dx.doi.org/10.11636/record.2016.031.

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6

Ryan, Mark David, Greg Hearn, Marion McCutcheon, Stuart Cunningham e Katherine Kirkwood. Australian Cultural and Creative Activity: A Population and Hotspot Analysis: Busselton. Queensland University of Technology, gennaio 2021. http://dx.doi.org/10.5204/rep.eprints.207597.

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Located a two-and-a-half hour drive south of Perth, Busselton is one of the largest and fastest growing regional centres in WA, a lifestyle services hub and the gateway to the internationally renowned wine region and popular tourist destination of Margaret River. Promoted by the City of Busselton council as the ‘Events Capital of WA’, Busselton has a strong festival and events economy that fuels local creative and arts production, supported by demographic shifts and population growth that is resulting in more creatives living and working in the city.

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Nicholas, W. A., F. J. F. Howard, A. G. Carroll, P. J. W. Siwabessy, M. Tran, L. Radke, K. Picard e R. Przeslawski. Seabed environments and shallow sub-surface geology of the Vlaming Sub-basin, offshore Perth Basin : summary results from marine survey GA0334. Geoscience Australia, 2014. http://dx.doi.org/10.11636/record.2014.049.

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8

Edwards, M., M. Rahman, M. Wehner, H. Ryu, N. Corby, T. Allen, D. Clark et al. Earthquake Impact and Risk Assessment for Perth and Supporting Infrastructure (EIRAPSI): final report on the backgrounds, collaboration structure, methods, and findings from the EIRAPSI project. Geoscience Australia, 2021. http://dx.doi.org/10.11636/record.2021.015.

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9

Helms, Christian P. A Persistent Perch: USSOCOMs Use of Organic Space Based ISR. Fort Belvoir, VA: Defense Technical Information Center, maggio 2015. http://dx.doi.org/10.21236/ad1012747.

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10

Smith, Pauline M. Summary of the Sixth Persh Workshop: Corrosion Policy Guiding Science and Technology. Fort Belvoir, VA: Defense Technical Information Center, gennaio 2016. http://dx.doi.org/10.21236/ad1002023.

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