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Kategoria BISAC: Technology & Engineering >> Environmental - General
ilość książek w kategorii: 14687
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Mobilisierungsverhalten von Perfluoroktansulfonsäure (PFOS)
ISBN: 9783639444285 / Niemiecki / Miękka / 136 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Innerhalb der letzten Jahre wurde das Auftreten von per- und polyfluorierten Chemikalien vermehrt in das Interesse der Offentlichkeit geruckt. Perfluoroktansulfonsaure (PFOS) ist als Leitsubstanz der PFC bekannt und zeichnet sich neben dem tensidischen Charakter durch hohe chemische und auch thermische Bestandigkeit aus. Aufgrund dieser Eigenschaften wurde PFOS bis kurzlich in speziellen AFFF-Schaumloschmitteln fur die Brandbekampfung verwendet. Auf der einen Seite ist die Stabilitat der Stoffe von grossem Nutzen fur die Industrie. Fur den Verbleib und das Verhalten in der Umwelt auf der...
Innerhalb der letzten Jahre wurde das Auftreten von per- und polyfluorierten Chemikalien vermehrt in das Interesse der Offentlichkeit geruckt. Perfluo...
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cena:
178,70 |
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Contribución del mecanismo de desarrollo limpio a países en desarrollo
ISBN: 9783659084324 / Hiszpański / Miękka / 52 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Los Mecanismos de Desarrollo Limpio - MDL, como instrumentos de flexibilidad estan contribuyendo de manera muy sucinta al principio numero dos del de Kioto (que refiere a que estos deben mejorar la sostenibilidad de los paises huespedes) y en particular a los proyectos forestales donde la gobernanza no esta siendo visibilizada como factor integrador. El documento evalua la viabilidad de la zona de la cuenca del rio Otun (compuesta por varias zonas de amortiguacion de Parques Nacionales Naturales y areas de proteccion de fauna y flora) incluidos sus factores de riesgo a nivel politico,...
Los Mecanismos de Desarrollo Limpio - MDL, como instrumentos de flexibilidad estan contribuyendo de manera muy sucinta al principio numero dos del de ...
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cena:
160,58 |
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Non Linear Seismic Analysis of Steel Frames
ISBN: 9783639701630 / Angielski / Miękka / 216 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In this work different steel elements have been modeled and analyzed, both under monotonic and cyclic conditions: a cantilever column, several beam-to-column connections and finally a plane frame. The aim has been put on the different results that can derive from include, or neglect, deterioration in modeling. Degradation effect, typical of semi-compact and slender steel section, has been considered both in strength and stiffness. A sophisticated model, characterized by general validity, has been implemented in order to be used with all steel cross-section, including semi-compact and...
In this work different steel elements have been modeled and analyzed, both under monotonic and cyclic conditions: a cantilever column, several beam-to...
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cena:
312,66 |
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Weld design for hollow section trusses
ISBN: 9783659105326 / Angielski / Miękka / 68 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The use of hollow section structures has received considerable attention in recent years. Since the first publication of CIDECT the additional research results have become available, especially relating to design of welds between members of trusses joints. The objective of this publication is to present to designers, teachers and researchers the most up-to-date information on the assessment of the resistance of welded connections in gap and overlap K type joints made of hollow sections.
The use of hollow section structures has received considerable attention in recent years. Since the first publication of CIDECT the additional researc...
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cena:
129,27 |
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Property Management
ISBN: 9783659116759 / Angielski / Miękka / 184 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. High-rise building satisfaction goes beyond provision of shelter. It includes, provision of services, utilities such as water supply, electricity, access roads, drainage system, refuse disposal facilities as well as prompt attention to repairs and maintenance. However, most times professionals or organizations in high-rise building management are concerned with the economic value and functionality of the building without considering its satisfaction to the user of space. On this premise, this work evaluates tenant/user satisfaction as a good measure of high-rise building maintenance/building...
High-rise building satisfaction goes beyond provision of shelter. It includes, provision of services, utilities such as water supply, electricity, acc...
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cena:
321,60 |
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Applied Nonlinear Seismic Performance and Retrofitting of the Building
ISBN: 9783659207396 / Angielski / Miękka / 212 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In recent years great developments have been made in the assessment of existing buildings and their performance in resistance to earthquake loading, potential seismic risk, vulnerability and lateral loads. Existing buildings can be repaired and strengthened to include new developments and methods to resist earthquake and seismic loads, which is the most economical way to safeguard against the economic and social catastrophe affected by severe seismic activity in urban environments. Traditional buildings in the 20th century were mostly constructed without sufficient protection, considering...
In recent years great developments have been made in the assessment of existing buildings and their performance in resistance to earthquake loading, p...
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cena:
343,97 |
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Optimisation d'Une Station d'Épuration
ISBN: 9786131561764 / Francuski / Miękka / 104 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Cet ouvrage consiste en une optimisation du traitement des effluents, issus du processus de production de papier et rejetA(c)s dans le milieu naturel, afin de: rA(c)duire la charge polluante de ces rejets liquides par le biais d'un traitement physico-chimique puis biologique anaA(c)robie ET rA(c)duire l'impact sur le milieu rA(c)cepteur. Cette optimisation vise principalement la diminution de la quantitA(c) des rA(c)actifs injectA(c)s au niveau de chaque A(c)tape du traitement tout en gardant un rendement raisonnable au niveau de chaque A(c)tape. Cependant, on peut faire face A une...
Cet ouvrage consiste en une optimisation du traitement des effluents, issus du processus de production de papier et rejetA(c)s dans le milieu naturel,...
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cena:
223,20 |
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Corporate Sustainability in International Comparison: State of Practice, Opportunities and Challenges
ISBN: 9783319062266 / Angielski / Twarda / 255 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Although every country is distinguished by its history, culture and language as well as its unique economic, environmental and social conditions, it can be expected that international operating companies will exhibit common patterns since sustainability challenges do not stop at national borders. Building on original data based on results of the International Corporate Sustainability Barometer survey, this book depicts and analyzes the current state of corporate sustainability management and corporate social responsibility. Part I describe the approach and summarizes the broad... Although every country is distinguished by its history, culture and language as well as its unique economic, environmental and social conditions, i... |
cena:
402,53 |
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The Land/Ocean Interactions in the Coastal Zone of West and Central Africa
ISBN: 9783319063874 / Angielski / Twarda / 210 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Although the main focus of this book is on the estuaries, its scope goes well beyond this particular coastal feature. Indeed, the estuary can only be considered as part of the life cycle of the entire river and the marine area it feeds into: an area particularly subject to human and natural pressures. The main estuaries and deltas of West and Central Africa region provide a variety of goods and services to its coastal population. The most important of them are related to critical fish habitat, wood and charcoal from mangroves, as well as space for agriculture, aquaculture, urban... Although the main focus of this book is on the estuaries, its scope goes well beyond this particular coastal feature. Indeed, the estuary can only ... |
cena:
603,81 |
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Evaluation of PAH contamination and in-situ remediation at a test site
ISBN: 9783639629798 / Angielski / Miękka / 80 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Groundwater polyaromatic hydrocarbon (PAH) concentrations underneath a contaminated site were measured with gas chromatography-mass spectrometry (GC-MS). As a form of soil flushing is planned as an in situ treatment for some sectors at the site, a cube of approximately 10 m was used to test the treatment. To gain a deeper understanding of the contamination situation of the test cube, a three dimensional visualisation of the pollutants distribution in the cube was created. Total PAH measurements were compared with eluate PAH measurements in two different visualisations, showing that the...
Groundwater polyaromatic hydrocarbon (PAH) concentrations underneath a contaminated site were measured with gas chromatography-mass spectrometry (GC-M...
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cena:
129,27 |
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Pore structure Study Based on Non-Contact Impedance Measurement
ISBN: 9783659141713 / Angielski / Miękka / 192 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Cement-based materials are by far the most important building materials. Microstructure study of cement-based materials has aroused a vast concern all over the world. This book discusses three issues of microstructure study: 1) the hydration process monitoring of cement pastes by this measurement, 2) pore size distribution characterization of cement pastes by the non-contact impedance measurement, and 3) the development of fractal permeability model. The innovative measurement developed in this study modulates the frequency domain and measures both real and imaginary parts of the impedance...
Cement-based materials are by far the most important building materials. Microstructure study of cement-based materials has aroused a vast concern all...
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cena:
290,29 |
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Beam-Column Joints
ISBN: 9783659170096 / Angielski / Miękka / 84 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Beam-Column Joints in a reinforced concrete moment resisting frame are crucial zones for transfer of loads effectively between the connecting elements (i.e. beams and columns) in the structure.The three main factors considered in design of a Beam -Column joint are Anchorage of main reinforcement of the beam, Confinement of the core of joint, Shear strength of the joint. In this book, the Beam-Column joint specimens were designed as per IS 456:2000 and also as per IS 13920:1993 and the influence of increasing their anchorage length by 25% and 50% was studied for load reversal condition....
Beam-Column Joints in a reinforced concrete moment resisting frame are crucial zones for transfer of loads effectively between the connecting elements...
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cena:
178,47 |
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Environmentally Friendly and Economical Road Construction
ISBN: 9783659220067 / Angielski / Miękka / 144 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Environmental pollution is a major problem in developing countries like Egypt. Reuse of waste polymers is considered an attractive solution for environmental white pollution and reducing of the costs of road pavement and maintenance. This work show that how to prepare environmentally friendly hot mix asphalt (HMA) for paving. The prepared mixes consisted of high absorptive aggregate (not used in road paving), marble powder (discarded from workshops and factories) and waste polymers (as asphalt modifiers). To achieve this aim, asphalt cement of penetration grade 60/70 was modified with a...
Environmental pollution is a major problem in developing countries like Egypt. Reuse of waste polymers is considered an attractive solution for enviro...
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cena:
276,87 |
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Tsementnyy penobeton estestvennogo tverdeniya
ISBN: 9783659224621 / Rosyjski / Miękka / 160 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Povyshennaya usadochnaya deformatsiya tsementnogo penobetona snizhaet kachestvo penobetona estestvennogo tverdeniya i ego konkurentosposobnost. Umenshit usadochnye deformatsii i povysit kachestvo tsementnogo penobetona mozhno za schet vvedeniya optimalnogo kolichestva modifitsiruyushchikh i voloknistykh dobavok v penobetonnuyu smes. Ustanovleny zakonomernosti vliyaniya razlichnykh fibr na usadku tsementnogo penobetona estestvennogo tverdeniya. Na osnove poluchennykh nauchnykh rezultatov razrabotany optimalnye sostavy i vydany prakticheskie rekomendatsii.Razrabotany tekhnologicheskie priemy...
Povyshennaya usadochnaya deformatsiya tsementnogo penobetona snizhaet kachestvo penobetona estestvennogo tverdeniya i ego konkurentosposobnost. Umensh...
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cena:
321,60 |
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Behaviour of English and Flemish bonds under latetal load
ISBN: 9783659233111 / Angielski / Miękka / 52 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
160,58 |
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Issledovanie fizicheskoy raboty zhelezobetonnykh rostverkov
ISBN: 9783659255588 / Rosyjski / Miękka / 148 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. V knige rassmotrena rabota zhelezobetonnykh rostverkov, korotkikh balok na osnove fizicheskogo i chislennogo eksperimentov. Izuchen kharakter obrazovaniya i razvitiya treshchin, opredeleny skhemy razrusheniya i treshchinoobrazovaniya, proveden analiz napryazhenno-deformirovannogo sostoyaniya s uchyetom izmeneniya sleduyushchikh faktorov: razlichnykh skhem raspolozheniya opor s izmeneniem ikh kolichestva; izmenenie shaga opor v prodol'nom i poperechnom napravleniyakh; izmenenie razmerov opor, shaga opor, vysoty konstruktsii; skhemy armirovaniya po rastyanutoy zone; izmenenie protsenta...
V knige rassmotrena rabota zhelezobetonnykh rostverkov, korotkikh balok na osnove fizicheskogo i chislennogo eksperimentov. Izuchen kharakter obrazova...
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cena:
276,87 |
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Project Time Performance of Construction Projects in Ghana
ISBN: 9783659451270 / Angielski / Miękka / 88 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book is a research work I conducted at Kwame Nkrumah University of Science and Technology in 2013. It focuses on procurement issues in Ghana in relation to the Public Procurement Act 2003 Act 663 in relation to project time performance at the pre-contract stage of procuring works. Research findings were conducted in twenty districts of Central Region in Ghana. It looks at how works are procured using the procurement Act 663 through the National Competitive tendering method in relation to Project time performance of construction project. The five chapters in this edited book relate to:...
This book is a research work I conducted at Kwame Nkrumah University of Science and Technology in 2013. It focuses on procurement issues in Ghana in ...
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cena:
245,56 |
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Flow Structure And Pollutant Dispersion In Symmetric Street Canyon
ISBN: 9783659486487 / Angielski / Miękka / 56 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book provides numerial results of flow structure and pollutant dispersion in a 3D symmetric street canyon.The analyzed parameters are building aspect ratio and Reynolds number. The studied canyons are avenue, regular and deep canyon with aspect ratio of 0.4, 1 and 2 respectively. Transport equation for CO and air is included and is assumed as non-reactive. Analysis on the pollutant concentration shows that low building aspect ratio coupled with high Reynolds number will give the best air ventilation for street canyons subsequently decreased the pollutant concentration level.
This book provides numerial results of flow structure and pollutant dispersion in a 3D symmetric street canyon.The analyzed parameters are building as...
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cena:
178,47 |
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Profitability of large-scale thin film photovoltaic power plants : Is it profitable for a project developer to realise large-scale power plants using thin film solar technologies?
ISBN: 9783639499964 / Angielski / Miękka / 192 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The use of thin film solar technologies has usually been a matter of debate within the photovoltaic market especially in the development of large-scale power plants. A possible investment reduction due to the employed technology should be taken into account. However, using thin film technologies could also influence other factors having an impact on the profitability of the investment such as the installed capacity or the electricity production. In this study the profitability of large-scale photovoltaic power plants is studied considering three factors: the photovoltaic technology, the...
The use of thin film solar technologies has usually been a matter of debate within the photovoltaic market especially in the development of large-scal...
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cena:
232,14 |
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Martim de Freitas School: IAQ and Energy Audit
ISBN: 9783659192494 / Angielski / Miękka / 140 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Included in the area of energy for sustainability, this work intends to advance beyond the analysis of buildings' energy consumption, towards air quality experienced by its occupants. Departing from a practical case, Martim de Freitas School in Coimbra, the procedure is to measure parameters of indoor air quality in the sense of its proper evaluation. Contributing to the characterization of IAQ, a survey directed to the occupants is developed, in addition to measurements carried out within a classroom, during the heating season and the "pre-cooling" season. Subsequently it is held a...
Included in the area of energy for sustainability, this work intends to advance beyond the analysis of buildings' energy consumption, towards air qual...
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cena:
276,87 |
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