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  • LUNAR AND PLANETARY EXPLORATION  (5)
  • Environmental Management.  (2)
  • 2020-2024  (2)
  • 1980-1984  (4)
  • 1975-1979  (1)
Collection
Language
Years
  • 2020-2024  (2)
  • 1980-1984  (4)
  • 1975-1979  (1)
Year
  • 1
    Keywords: Environmental management. ; Water. ; Hydrology. ; Energy policy. ; Energy and state. ; Environmental education. ; Environmental engineering. ; Civil engineering. ; Environmental Management. ; Water. ; Energy Policy, Economics and Management. ; Environmental and Sustainability Education. ; Environmental Civil Engineering.
    Description / Table of Contents: About this book -- Understanding Cambodia -- Phnom Penh Water Supply Authority -- Four Domain (4-D) Framework for analysis of urban water utility -- Analysis of PPWSA -- Gap analysis of four domains -- Views of the customers -- Key challenges facing PPWSA -- Lessons learnt for developing countries -- A Management Tool Kit for Chief Executives.
    Abstract: This book analyses how a water utility from a developing country, Phnom Penh Water Supply Authority, that was totally dysfunctional, corruption-ridden and literally bankrupt in 1993, became one of the most successful water utilities of the developing world in only about 15 years. By 2010, some of the performance indicators of this public sector utility were even better than London, Paris or Los Angeles. The book further analyses the enabling conditions that made this remarkable transformation possible. Based on this analysis, a framework is recommended for water utilities from developing countries so that they can also be transformed into functional, efficient, equitable and financially viable institutions on a sustainable basis.
    Type of Medium: Online Resource
    Pages: XXIII, 153 p. 65 illus., 50 illus. in color. , online resource.
    Edition: 1st ed. 2021.
    ISBN: 9789813340657
    Series Statement: Water Resources Development and Management,
    DDC: 333.7
    Language: English
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  • 2
    Keywords: Water. ; Hydrology. ; Sustainability. ; Environmental management. ; Water. ; Sustainability. ; Environmental Management.
    Description / Table of Contents: Introduction -- Sukoon Water -- Piramal Sarvajal -- 1001fontaines -- Chamkarleu Water Supply -- Discussion and recommendations.
    Abstract: This book highlights unique and deeper insights into the operations of off-grid water supply business models and the policy implications that they raise. The two key research questions of the report are as follows: 1) What is the efficacy and sustainability of the off-grid model of safe water availability and/or delivery to consumers who don’t have piped water supply? 2) What are the key policy considerations for planning a successful off-grid model of safe water delivery? Through the Four-Domain Framework, this book does the gap analysis of the physical, operational, financial, and institutional domains of the few off-grid water operators in cross-country case studies. It also includes a detailed financial analysis of the capital costs as well as operations and maintenance costs of the different off-grid water supply models compared to some of the piped water supply models. The final discusses the need to acknowledge off-grid water solutions in urban water policies, especially for the economically weaker sections. The universal coverage of all by the piped water is an ultimate goal of any water policy; however, in the interim, there is a need to put more emphasis on off-grid water solutions.
    Type of Medium: Online Resource
    Pages: XVIII, 124 p. 63 illus., 61 illus. in color. , online resource.
    Edition: 1st ed. 2023.
    ISBN: 9789819940608
    Series Statement: SpringerBriefs on Case Studies of Sustainable Development,
    DDC: 551.48
    Language: English
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  • 3
    Publication Date: 2019-06-28
    Description: Petrologic data and contents of Ag, Bi, Cd, Co, Cs, Ga, In, Rb, Se, Te, Tl and Zn-trace elements spanning the volatility/mobility range-in light and dark portions of H chondrite regolith breccias and L chondrite fragmental breccias are reported. The chemical/petrologic characteristics of H chondrite regolith breccias differ from those of nonbrecciated chondrites or fragmental breccias. Petrologic characteristics and at least some trace element contents of H chondrite regolith breccias reflect primary processes; contents of the most volatile/mobile elements may reflect either primary or secondary processing, possibly within layered H chondrite parent object(s). Chemical/petrologic differences existed in different regions of the parent(s). Regoligh formation and gardening and meteoroid compaction were not so severe as to alter compositions markedly.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Geochimica et Cosmochimica Acta; 47; Feb. 198
    Format: text
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  • 4
    Publication Date: 2019-06-28
    Description: The neutron activation data for Ag, As, Bi, Cd, Co, Cs, Cu, Ga, In, Rb, Se, Te, Tl, and Zn were obtained in samples of Abee heated to 1000-1400 C at low pressures. In addition, these elements were reported in nine enstatite achondrites and in the silicate part of the Mt. Egerton stony-iron. The data show trace element losses above 1000 C by diffusion-controlled processes with apparent activation energies of 8 to 55 kcal/mol; these data together with abundances of aubrites, Mt. Egerton, and E4-6 chondrites, and isotopic results link all enstatite meteorites to a common parent body. The data also indicate that aubrites and the Mt. Egerton material reflect fractional crystallization of a magma produced from enstatite chondrite-like parent material (E6) and the late introduction of chalcophiles and mobile elements transported by an FeS-Fe eutectic from an E4-6 region undergoing open-system metamorphism.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Geochimica et Cosmochimica Acta; 44; Dec. 198
    Format: text
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  • 5
    Publication Date: 2019-06-27
    Description: Data is examined for volatile/mobile Ag, As, Au, Bi, Cd, Co, Cs, Cu, Ga, In, Rb, Sb, Se, Te, Tl and Zn in exterior and/or interior samples of four Antarctic meteorites from the Allan Hills (ALH): A77005 (unique achondrite); A77257 (ureilite); A77278 (L3); A77299 (H3). Exterior samples reflect contamination and/or leaching by weathering but trace element (ppm-ppt) contents in interior samples seem reasonable for representatives of these rare meteoritic types. The A77005 achondrite is shown to be related to shergottites; other samples extend compositional ranges previously known for their groups or types. With suitable precautions, Antarctic meteorite finds yield trace element data as reliable as those obtained from previously known falls.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Zeitschrift fuer Naturforschung; vol. 35
    Format: text
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  • 6
    Publication Date: 2019-07-13
    Description: Individual dark fractions of the Leighton chondritic breccia are all enriched in volatile/mobile trace elements. Concentrations of the most highly volatile/mobile elements correlate with degree of equilibration, as expressed by compositional variability for silicates. Individual light clasts in the same meteorite are equilibrated and generally volatile-poor, except for enrichments in Rb and Cs. These alkali elements may have been redistributed by feldspar formation during metamorphism. Enrichments of other trace elements in dark portions may have been caused by mobilization during metamorphism in the parent body interior and deposition in the cooler surface layers. An alternative model involves accretional mixing of a diverse compositional population of primitive H group materials to form dark materials. Subsequent integration of light and dark materials was accomplished by impacts into a regolith.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: Lunar and Planetary Science Conference; Mar 16, 1981 - Mar 20, 1981; Houston, TX
    Format: text
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  • 7
    Publication Date: 2019-06-27
    Description: Data are reported for volatile/mobile Ag, As, Au, Bi, Cd, Co, Cs, Cu, Ga, In, Rb, Sb, Se, Te, T1 and Zn in exterior and/or interior samples of four Antarctic meteorites: 77005 (unique achondrite); 77257 (unreilite); 77278 (L3); 77299 (H3). Exterior samples reflect contamination and/or leaching by weathering but trace element (ppm-ppt) contents in interior samples seem reasonable for representatives of these rare meteoritic types. The 77005 achondrite seems related to shergottites; other samples extend compositional ranges previously known for their types. With suitable precautions, Antarctic meteorite finds yield trace element data as reliable as those obtained from previously known falls.
    Keywords: LUNAR AND PLANETARY EXPLORATION
    Type: NASA-CR-158583
    Format: application/pdf
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