The Importance Of Turbidity To Society And The EnvironmentBy: Thomas Pretty - Turbidity may sound like a complicated scientific term but in essence it is a simple definition concerned with the cloudiness of water. More specifically turbidity refers to the light that is able to pass through a water sample because of the sediment present in the liquid. In most cases it is measured using a meter although there are a variety of methods for obtaining a turbidity reading. Tags: reference-and-education, science, turbidity, turbidity meters, uses for turbidity meters
Understanding DesaltersBy: Roberto Bell - Fuel oil can be contaminated as a result of seawater being delivered from a barge at the time of loading. In some cases ballast water or incorrect valve operations can contribute to high levels of seawater contamination.
A high concentration of seawater, which not only contains a range of metals, but also sodium, will contribute to a higher ash content than fuels containing non-seawater. Tags: science, desalters, process engineering
Building domestic wind generators it's something cool?By: Roberto Bell - Wind generator blogs like this one:Build a domestic wind generator ebook are gaining popularity these days. Have you ever wondered what the underlying wind generator technology of these domestic wind generators really is? Primarily there are two designs: horizontal-axis (HAWT) and vertical-axis (VAWT), the former is the most popular.
HAWT is the most popular wind generator technology in which the shaft is mounted parallel to the ground i.e. horizontally. Tags: science, wind, generator, energy, domestic
Unlocking the Chemistry of PheromonesBy: Sai Vallejos - Pheromones are any chemical signal used to communicate between the members of a species. The existence of pheromones has been studied most thoroughly with respect to insects, but more complex species likely also possess pheromones.
The above diagram, by Peter Fluri, shows a female of the codling moth, Cydia pomonella, raising her abdomen and protruding her sex gland. She takes this calling posture for a short period in the early evening hours. Tags: reference-and-education, science, phermones, pheromones
Let's Prepare For An EarthquakeBy: Jarred Sadler - The year 1906 was a determining factor in how future resident of the San Francisco area would live their lives. Will they be able to sleep peacefully at night knowing that anything can happen between the time they slept and the time they will be awake. But the question for most people is the possibility that they may never wake up again. Tags: reference-and-education, science, natural disasters, disasters, volcano facts
Preventing Brain Damage After a Brain InsultBy: Robert Webb - Traumatic brain injury (TBI) is actually a major cause of disability and death in the world. It is a leading killer of people who are beneath the age of 45. The major causes of TBI include violence, falls, sports injuries and motor vehicle accidents. People can often prevent accidents when the proper safety precautions are taken. Traumatic brain injury can be devastating for those who have to undergo it. Tags: reference-and-education, science, brain injury, health, medicine
A Special Kind of PheromoneBy: Sai Vallejos - Appeasement, as the name itself suggests calms down, and puts you in peace. The use of pheromones is well known in agriculture to keep some insects away from plants. The so-called pheromonal communication is very strong in this Order. Social life and species recognition are triggered by the emission of the right pheromones. Tags: reference-and-education, science, phermones, pheromones
Out With The Old, In With The NewBy: Jeffrey A Solochek - When I was growing up everybody had a TV with maybe 5 or 6 channels. There wasn't anything known as cable TV. At my house we got channels 4, 6, 10, 12 and 18. Later on we also got channel 17 which was Fox TV. I can remember when I first heard about HBO which was a box that only got you HBO and nothing else. That privelage would cost a household maybe $50. Tags: reference-and-education, science, world tv, tv on pc, web tv
Lightning - 5 Times Hotter Than The Surface of The SunBy: markcb - Ever since Benjamin Franklin flew his kite and nearly blew himself up with the resultant lightning strike, we have been attempting to discover exactly how lightning works. A discharge of lightning is probably one of the most impressive displays in the atmosphere, yet surprisingly, despite years of study, the exact process is still shrouded in some mystery.
Lightning results from the build up of opposite electrical charges within a cloud. Tags: science, lightning, thunder, severe weather, thunderstorm
SHORT LAYERED HAIR CUTSBy: - One of the most smart and feminine looking Short Hair Cut is the Short Layered Hair Cuts. The Short Layered Hair Cuts are very popular. Women with straight Hair can look stunning with the Short Layered Hair Cuts. Tags: business, advertising, short layered hair cuts
How to Make Your Own MySpace LayoutBy: - In order to make your own MySpace layout, you need to consider three things, namely the background properties, the text properties and the scrollbar and cursor properties. Let's have a look at each of these. Tags: myspace layouts, myspace backgrounds
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