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"This book provides both a theoretical and practical treatment of the feasible and likely benefits of geographic redundancy for both service availability and service reliability"-- "While geographic redundancy can obviously be a huge benefit for disaster recovery, it is far less obvious what benefit is feasible and likely for more typical non-catastrophic hardware, software, and human failures. Georedundancy and Service Availability provides both a theoretical and practical treatment of the feasible and likely benefits of geographic redundancy for both service availability and service reliability. The text provides network/system planners, IS/IT operations folks, system architects, system engineers, developers, testers, and other industry practitioners with a general discussion about the capital expense/operating expense tradeoff that frames system redundancy and georedundancy"--

Computer input-output equipment --- Computer networks --- Redundancy (Engineering) --- Reliability.

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La Stratégie de l’OCDE pour une croissance verte vise à formuler des recommandations concrètes et à fournir des instruments de mesure, notamment des indicateurs, qui aideront les pays à engendrer la croissance économique et le développement, tout en veillant à ce que les actifs naturels continuent de fournir les ressources et les services environnementaux sur lesquels repose notre bien-être. La Stratégie propose un cadre d’action adaptable selon les spécificités nationales et le stade de développement des pays. Ce rapport étudie divers aspects de la croissance verte dans les secteurs de l’agriculture et de la pêche.

Sustainable agriculture. --- Sustainable development. --- Development, Sustainable --- Ecologically sustainable development --- Economic development, Sustainable --- Economic sustainability --- ESD (Ecologically sustainable development) --- Smart growth --- Sustainable development --- Sustainable economic development --- Low-input agriculture --- Low-input sustainable agriculture --- Lower input agriculture --- Resource-efficient agriculture --- Sustainable farming --- Environmental aspects --- Economic development --- Agriculture --- Alternative agriculture

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Public pressure and societal changes induce interventions and policies, which aim to transform agriculture and food provision. This book shows that for upscaling novel practices and organizational models it is important to include meso-level regime aspects in analysis and practice. The argument presented is that our understanding of the human and social dimensions of transformation processes can be enriched by anchoring practice and policy in social theory. A focus on transitions offers a clear view on the direction and velocity of change. This publication aims to complement this by highlighting theoretical insights in the social or institutional mechanisms enabling or hindering change. Essays on a selection of theorists, varying from idealist or materialist accounts, to actor or system approaches, examine what the presented explanatory framework on social change offers in terms of guidance for intervention and action. The value of these theoretical insights is further explored in a selection of case studies in agriculture and food: rural reconstruction in horticulture and livestock, seed supply systems, and pest control. Each case study systematically applies six theoretical frameworks with the purpose of investigating what novel insights arise from looking at the change process from a particular perspective. Through this exercise the often implicit assumptions of hands-on change processes surface. This book is of interest to practitioners engaged in changing current practices in agriculture and food provision, policy makers interested in grasping why transitions are challenging, applied researchers who like to move beyond individual case studies and social and natural scientists involved in integrative studies of complex change processes.

Agriculture --- Biology --- Health & Biological Sciences --- Earth & Environmental Sciences --- Biology - General --- Agriculture - General --- Life sciences. --- Life Sciences. --- Life Sciences, general. --- Biosciences --- Sciences, Life --- Science --- Alternative agriculture. --- Sustainable agriculture --- Sustainable agriculture. --- Social aspects. --- Low-input agriculture --- Low-input sustainable agriculture --- Lower input agriculture --- Resource-efficient agriculture --- Sustainable farming --- Alternative agriculture --- Agriculture, Alternative --- Alternative agricultural systems --- Alternative farming systems --- Agricultural systems --- Appropriate technology

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Organochlorine compounds --- Soil remediation --- Sustainable agriculture --- Soil remediation. --- Sustainable agriculture. --- Bioavailability --- Maryland. --- Low-input agriculture --- Low-input sustainable agriculture --- Lower input agriculture --- Resource-efficient agriculture --- Sustainable farming --- Agriculture --- Alternative agriculture --- Cleanup of contaminated soil --- Remediation of contaminated soil --- Soil cleanup --- Soil contamination remediation --- Soil protection --- Soil pollution --- Chlorine organic compounds --- Organochlorines --- Chlorine compounds --- Organohalogen compounds --- US-MD --- Maryland

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Sigma Delta converters are a very popular choice for the A/D converter in multi-standard, mobile and cellular receivers. Key A/D converter specifications are high dynamic range, robustness, scalability, low-power and low EMI. Robust Sigma Delta Converters presents a requirement derivation of a Sigma Delta modulator applied in a receiver for cellular and connectivity, and shows trade-offs between RF and ADC. The book proposes to categorize these requirements in 5 quality indicators which can be used to qualify a system, namely accuracy, robustness, flexibility, efficiency and emission. In the book these quality indicators are used to categorize Sigma Delta converter theory. A few highlights on each of these quality indicators are; Quality indicators: provide a means to quantify system quality. Accuracy: introduction of new Sigma Delta Modulator architectures. Robustness: a significant extension on clock jitter theory based on phase and error amplitude error models. Extension of the theory describing aliasing in Sigma Delta converters for different types of DACs in the feedback loop. Flexibility: introduction of a Sigma Delta converter bandwidth scaling theory leading to very flexible Sigma Delta converters. Efficiency: introduction of new Figure-of-Merits which better reflect performance-power trade-offs. Emission: analysis of Sigma Delta modulators on emission is not part of the book The quality indicators also reveal that, to exploit nowadays advanced IC technologies, things should be done as much as possible digital up to a limit where system optimization allows reducing system margins. At the end of the book Sigma Delta converter implementations are shown which are digitized on application-, architecture-, circuit- and layout-level. Robust Sigma Delta Converters is written under the assumption that the reader has some background in receivers and in A/D conversion.

Data transmission systems. --- Engineering. --- Signal processing. --- Systems engineering. --- Analog-to-digital converters --- Line receivers (Integrated circuits) --- Data transmission systems --- Systems engineering --- Electrical & Computer Engineering --- Engineering & Applied Sciences --- Electrical Engineering --- Design and construction --- Analog-to-digital converters. --- Modulators (Electronics) --- Analog-digital converters --- Input-output equipment (Computers). --- Solid state physics. --- Electronic circuits. --- Circuits and Systems. --- Solid State Physics. --- Input/Output and Data Communications. --- Modulation (Electronics) --- Pulse circuits --- Radio --- Analog electronic systems --- Computer input-output equipment --- Digital electronics --- Electronic data processing --- Transmitters and transmission --- Data communication systems --- Transmission of data --- Digital communications --- Electronic systems --- Information theory --- Telecommunication systems --- Engineering systems --- System engineering --- Engineering --- Industrial engineering --- System analysis --- Computer hardware --- Computer I/O equipment --- Computers --- Electronic analog computers --- Electronic digital computers --- Hardware, Computer --- I/O equipment (Computers) --- Input equipment (Computers) --- Input-output equipment (Computers) --- Output equipment (Computers) --- Computer systems --- Physics --- Solids --- Electron-tube circuits --- Electric circuits --- Electron tubes --- Electronics --- Input-output equipment