Products related to Efficiency:
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Energy Efficiency Matters
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Microeconomics : Equilibrium and Efficiency
Microeconomics: Equilibrium and Efficiency teaches how to apply microeconomic theory in an innovative, intuitive and concise way.Using real-world, empirical examples, this book not only covers the building blocks of the subject, but helps gain a broad understanding of microeconomic theory and models.
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Promoting energy efficiency standards and technologies to enhance energy efficiency in buildings
Considerable progress in energy efficiency in the building sector is reported in the majority of the UNECE member States, and still reaching the potential often falls short due to flawed policy frameworks, and lack of public awareness on available modern technologies and education on long-term economic and social benefits of energy efficiency improvement.This publication is prepared in response to the outlined challenges and aims to elucidate the status of implementation of energy efficiency standards in buildings and deployment of appropriate technologies, and to identify good policy practices and replicable solutions.It also proposes a set of general recommendations and priority actions arising from the analysis.
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Dynamic Efficiency and Productivity Measurement
A systematic treatment of dynamic decision making and performance measurementModern business environments are dynamic.Yet, the models used to make decisions and quantify success within them are stuck in the past.In a world where demands, resources, and technology are interconnected and evolving, measures of efficiency need to reflect that environment. In Dynamic Efficiency and Productivity Measurement, Elvira Silva, Spiro E.Stefanou, and Alfons Oude Lansink look at the business process from a dynamic perspective.Their systematic study covers dynamic production environments where current production decisions impact future production possibilities.By considering practical factors like adjustments over time, this book offers an important lens for contemporary microeconomic analysis.Silva, Stefanou, and Lansink develop the analytical foundations of dynamic production technology in both primal and dual representations, with an emphasis on directional distance functions.They cover concepts measuring the production structure (economies of scale, economies of scope, capacity utilization) and performance (allocative, scale and technical inefficiency, productivity) in a methodological and comprehensive way. Through a unified approach, Dynamic Efficiency and Productivity Measurement offers a guide to how firms maximize potential in changing environments and an invaluable contribution to applied microeconomics.
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Do electrical appliances have a high efficiency rate?
Electrical appliances can have a high efficiency rate, but it varies depending on the specific appliance and its energy consumption. Energy-efficient appliances are designed to use less electricity to perform their functions, resulting in lower energy bills and reduced environmental impact. When shopping for electrical appliances, it is important to look for the Energy Star label, which indicates that the appliance meets certain energy efficiency standards set by the Environmental Protection Agency.
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What is the efficiency of a space heater with 100% efficiency?
A space heater with 100% efficiency would convert all the electrical energy it consumes into heat, making it extremely efficient. This means that all the energy input is converted into useful output, with no waste. However, it's important to note that achieving 100% efficiency in real-world devices is extremely difficult due to factors such as heat loss and other inefficiencies in the system.
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What is energy efficiency?
Energy efficiency refers to using less energy to perform the same task or function, ultimately reducing energy waste and lowering energy costs. This can be achieved through various methods such as using energy-efficient appliances, improving insulation in buildings, and implementing energy-saving practices in industrial processes. Energy efficiency is an important aspect of sustainable development and can help reduce greenhouse gas emissions and mitigate the impact of climate change. By improving energy efficiency, we can conserve natural resources and create a more sustainable and environmentally friendly energy system.
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What is the efficiency?
Efficiency is a measure of how well resources are utilized to achieve a specific goal or outcome. It is often expressed as the ratio of output to input, showing how much output is produced per unit of input. High efficiency means that resources are being used effectively and wastage is minimized, leading to optimal results. In contrast, low efficiency indicates that resources are not being utilized efficiently, resulting in lower productivity and potentially higher costs.
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Asymptotic Efficiency of Nonparametric Tests
Making a substantiated choice of the most efficient statistical test is one of the basic problems of statistics.Asymptotic efficiency is an indispensable technique for comparing and ordering statistical tests in large samples.It is especially useful in nonparametric statistics where it is usually necessary to rely on heuristic tests.This monograph presents a unified treatment of the analysis and calculation of the asymptotic efficiencies of nonparametric tests.Powerful new methods are developed to evaluate explicitly different kinds of efficiencies.Of particular interest is the description of domains of the Bahadur local optimality and related characterisation problems based on recent research by the author.Other Russian results are also published here for the first time in English.Researchers, professionals and students in statistics will find this book invaluable.
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Efficiency and Power in Energy Conversion and Storage : Basic Physical Concepts
This book provides fundamental theoretical concepts for the understanding, the modelling, and the optimisation of energy conversion and storage devices.The discussion is based on the general footing of efficiency-power relations and energy-power relations (Ragone plots).Efficiency and Power in Energy Conversion and Storage: Basic Physical Concepts, is written for engineers and scientists with a bachelor-degree level of knowledge in physics.It contains: An introductory motivation of the topic A review on equilibrium thermodynamics A primer to linear non-equilibrium thermodynamics and irreversible processes An introduction to endo-reversible thermodynamics The basics on the theory of Ragone plots Derivations of efficiency-power relations or Ragone plots for illustrative examples like heat engines, batteries, capacitors, kinetic energy storage devices, solar power, photodiodes, electro-motors, transformers, and flow turbines An excursion to impedance matching and the optimization of technical devices with respect to economic and related objectives
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30W High-Efficiency Monocrystalline Solar Panel for Cell Phone Outdoor Power Storage
Features: High Efficiency: This 30W solar panel is made of monocrystalline silicon, known for its high efficiency in converting sunlight into electricity. Portable Power: Perfect for outdoor use, this solar panel can be used to charge your phone or power other devices when you're on the go. Energy Storage: Not only can it provide immediate power, but it can also store energy for later use, ensuring you always have a power source. Eco-Friendly: Harness the power of the sun for your energy needs, reducing your carbon footprint and promoting sustainability. Durable and Reliable: Built to last, this solar panel can withstand various weather conditions, providing reliable power supply for years to come.
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30W High-Efficiency Monocrystalline Solar Panel for Cell Phone Outdoor Power Storage
Features: High Efficiency: This 30W solar panel is made of monocrystalline silicon, known for its high efficiency in converting sunlight into electricity. Portable Power: Perfect for outdoor use, this solar panel can be used to charge your phone or power other devices when you're on the go. Energy Storage: Not only can it provide immediate power, but it can also store energy for later use, ensuring you always have a power source. Eco-Friendly: Harness the power of the sun for your energy needs, reducing your carbon footprint and promoting sustainability. Durable and Reliable: Built to last, this solar panel can withstand various weather conditions, providing reliable power supply for years to come.
Price: 39.74 £ | Shipping*: 0.00 £
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What is the efficiency and conversion in a pumped storage power plant?
In a pumped storage power plant, the efficiency refers to the ratio of the electrical energy output to the energy input. Typically, the efficiency of a pumped storage power plant is around 70-80%, which means that it can convert 70-80% of the input energy into electrical energy. The conversion process involves using excess electricity to pump water from a lower reservoir to a higher reservoir, and then releasing the water to generate electricity when needed. This process allows for the storage of energy and the efficient conversion of potential energy into electrical energy.
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Can the efficiency be zero?
No, efficiency cannot be zero. Efficiency is a measure of how well a system or process uses inputs to produce outputs, and it is always a positive value between 0 and 1. A value of zero would indicate that no useful work is being done, which is not possible in a functioning system. If a system is not producing any useful output, its efficiency would be close to zero but not exactly zero.
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What are power and efficiency?
Power is the rate at which work is done or energy is transferred, and it is measured in watts. It represents the ability to exert force or to perform work. Efficiency, on the other hand, is a measure of how well a system or process uses energy or resources to accomplish a task. It is the ratio of useful output to total input, and it indicates how effectively energy is being converted into useful work. In summary, power is the capacity to do work, while efficiency is the measure of how well that work is being done.
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What is an efficiency gain?
An efficiency gain refers to the improvement in productivity or output that is achieved by using fewer resources. This can be achieved through streamlining processes, reducing waste, improving technology, or increasing the skills of the workforce. Efficiency gains are important for businesses as they can lead to cost savings, increased profitability, and a competitive advantage in the market. Overall, efficiency gains help organizations to achieve more with less, ultimately leading to improved performance and success.
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