'Available energy' diaporamas de présentation

Global Transition to Sustainable Development

Daniel E. Campbell Research Ecologist IV International Workshop Advances in Energy Studies Ecology-Energy Issues in Latin America June 15-19, 2004 Global Transition to Sustainable Development Brief Outline of the Talk What is sustainable? Where are we now?

939 views • 56 slides

System Analysis Advisory Committee Sufficiency of Imbalance Reserves and Requirements

System Analysis Advisory Committee Sufficiency of Imbalance Reserves and Requirements. Michael Schilmoeller Friday, January 25, 2013. Overview. What are we talking about? Why does it matter? First example: increasing response Second example, response and recovery

580 views • 52 slides

Evaporation and condensation

Evaporation and condensation. Individual molecules can change phase any time Evaporation: Energy required to overcome phase cohesion Higher energy molecules near the surface can then escape Condensation: Gas molecules near the surface lose KE to liquid molecules and merge.

2.15k views • 42 slides

592 views • 41 slides

Energy Flow through Ecosystems

788 views • 40 slides

452 views • 37 slides

Food and Nutrition

Food and Nutrition. An Introduction. Why do we eat?. Why do we eat?. Satisfy physiological needs Habit Social Influences Psychological Influences Sensory Appeal. What are our dietary needs?. Meet basic physiological needs Body function Maintenance Temperature regulation Growth

802 views • 34 slides

Water use and water use efficiency in west coast Douglas-fir

BC FLUX STATION. CFCAS. Water use and water use efficiency in west coast Douglas-fir. Paul Jassal, Andy Black, Bob Chen, Zoran Nesic, Praveena Krishnan and Dave Spittlehouse University of British Columbia Vancouver, Canada . 1. BC Flux Station sites. Campbell River. Vancouver.

443 views • 27 slides

Wadis and Rivers

Wadis and Rivers. Types of flow Flash floods Channel form Channel initiation Arroyos Applied fluvial geomorphology. Types of Flow. Ephemeral flow with a short duration several events each year Perennial a stream that flows continuously throughout the year. Perennial Dryland Rivers.

393 views • 26 slides

Energy Flow Through an Ecosystem

Energy Flow Through an Ecosystem. Food Chains, Food Webs, Energy Pyramids. Begins with the SUN Photosynthesis. 6CO 2 + 6H 2 O + sunlight & chlorophyll ? C6H 12 O 6 + 6O 2. The chemical reaction by which green plants use water and carbon dioxide and light from the sun to make glucose.

432 views • 25 slides

MiLAN

MiLAN. Muhammad Mirza Zeeshan Mehmood Supervisor: Dr. Waltenegus Dargie Seminar Presentation : Wireless Sensor Networks ( Winter 2006-07 ) 16.01.2007. Contents. Introduction Motivation Architecture Conclusion Critique References. Introduction.

635 views • 24 slides

347 views • 21 slides

Particle Accelerators

Particle Accelerators. Olivier Masnyk 2012 edited by Mr Catchpole Jan 2014. Types of Particle Accelerators. Linear ( linac ) Cyclotron Synchrotron. Linear Particle Accelerator. This is a particle accelerator which accelerates a particle along a straight path with alternating current .

793 views • 20 slides

Solar, Vacuum and Radio-Frequency Drying of Wood

Solar, Vacuum and Radio-Frequency Drying of Wood. Forestry 486 Lecture 3-6. Solar Drying Basics. Characteristics of solar energy:

569 views • 18 slides

Frank R. Leslie, B. S. E. E., M. S. Space Technology, LS IEEE 2/1/2010, Rev. 2.0 fleslie @fit.edu; (321) 674-7377 www.f

304 views • 15 slides

Energy in Ecosystems

Food Chains, Food Webs and Energy Pyramids. Energy in Ecosystems. Courtesy: www.lab-initio.com. Producers ( Autotrophs ). Photosynthetic organisms Capture energy from sunlight, CO 2 and H 2 O Most producers are photosynthetic Chemosynthetic organisms

418 views • 14 slides

Food Chains and Food Webs- Only one dimensional

Food Chains and Food Webs- Only one dimensional. Bobcat Third-level Consumer. Weasel Second-level Consumer. Prickly Pear Cactus Producer. Woodrat First-level Consumer. Energy Pyramid p.11. A grass plant uses most of the energy It obtains from the Sun for its own life

665 views • 13 slides

211 views • 9 slides

History on PowerPoint: Chemical Thermodynamics

215 views • 7 slides

Water Power By : Danny , Josh, Larry

Water Power By : Danny , Josh, Larry. How Does it Work?. The amount of energy available energy is determined by the flow or fall of moving water. The water then flows through a pipe, then pushes against the blades in a turbine to spin a generator to produce electricity. How could it be used?.

139 views • 6 slides