Papers on Science and Environment
Global Economy And The Environment
Words: 955 - Pages: 4.... is because growth and development is strongly correlated
with environmental degradation. Furthermore, it is fair to say that the MNCUs
are more likely to have a more harmful environmental impact from growth and
development, as opposed to the local corporations. This is because MNCUs may
not be as knowledgeable as local corporations in resource utilization and land
management. This also refers to the notion of Rthe locals know their land
better than anybody elseS. The tropical rain forest of Brazil is a good example
of this. The RindigenousS or the local people have a good understanding of how
to extract and utilize its resources in .....
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Genome Project
Words: 1466 - Pages: 6.... asexually naturally, the first artificial cloning by humans were plants developed from grafts and stem cuttings. Cloning involving very complex laboratory techniques is a relatively recent scientific advancement in today’s world. Among these is the , which involves the research and support of Physical Mapping and DNA Sequencing. This would enable Humans to reproduce babies that what most parents want. Completing this DNA sequencing and Physical mapping would enable us to change everything in a new born baby to the likes of the parents e.g. IQ, Color, Strength, looks, gender, etc.
The Human (HGP) is a research program for analyzi .....
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Capacitors
Words: 504 - Pages: 2.... according to the kind of dielectric used in them. The capacitance of a capacitor is measured in farads. A farad retains one coulomb of charge with one-volt difference of potential. that use vacuum, air, or other gases are used in applications where values of capacitance required do not have to be large, but the energy loss in the dielectric must be very small. Some applications for these are in radio- frequency circuits and low- frequency measuring circuits where great precision is required. Another type of capacitor uses castor or mineral oil for the dielectric. Oil insulated are used in applications where larger values of the capa .....
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Fluorescence Study Of Dyes
Words: 815 - Pages: 3.... the donor is excited, it is naturally decaying to the ground state. However in presence of an acceptor, this process is enhanced trough energy transfer. We will distinguish between collisional energy transfer and dipole-dipole transfer. From here we will try to determine the quenching constant and the distance at which decay and energy transfer are equally probable, as well as prove that Stern-Volmer's law and Förster's theory are obeyed.
2. Results
2.1. Electronic Absorption Spectra
We made up stock solutions for both salts and diluted them down to use in the UV/vis spectrometer.
Coumarin 1
C = 8 x10-5 mol dm -3
We obtain .....
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Purple Loosestrife
Words: 3067 - Pages: 12.... ballast
would be dumped overboard on the shoreline. By 1830 the plant was well
established along the New England seaboard. Purple loosestrife seeds were also
found in sheep and livestock feed that was imported from Europe during this
period. This new organism was introduced to a new habitat free from traditional
parasites, predators and competitors, purple loosestrife thrived in the
environmental conditions and by 1880 was rapidly spreading north and west
through the canal and marine routes. Purple loosestrife stands also increased
due to the importation of seeds and root stalks by horticulturists. It was
introduced to many communitie .....
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The Siberian Tiger
Words: 293 - Pages: 2.... is Tigris Altaica.
The Siberian Tiger is a mobile creature and it lives in northern Asia and
is found as for north as the Arctic Circle. It's territory is more than four
thousand square miles and it will keep that territory indefinitely, as long as
the food supply lasts.
The Siberian Tiger hunts very much but only about one tenth of the hunts
are successful. It requires more than twenty pounds of meat per day. It is
heterotrophic and it's diet consists mainly of deer, boar, bear and fish.
The Siberian Tiger is a solitary animal. Males and females are only
together during mating season. Females will only stay with .....
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Bottle Rockets
Words: 452 - Pages: 2.... the bottle. When the stopper was pulled the pressure in the bottle forced its way down, which applied the force to start the motion of the bottle. His 3rd law can also explain this because the water going down forces the rocket in the exact opposite direction the water goes. Which is why one time when we shot the rocket it flew at an angle. Also it shows why the launchers had stoppers, because if they didn’t the cork wasn’t strong enough to hold that pressure and would cause the rocket to begin flight prematurely. His second law can be used to describe how high and fast the rocket will go. If you wanted it to go really high and fas .....
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Internet Firewalls
Words: 2823 - Pages: 11.... look at some of the most common security threats:
Impersonating a User or System - To authenticate Internet users, a system of user-Ids and passwords is used. Anyone intent on gaining access to the Internet can repeatedly make guesses until the right combination is found, a simple but time consuming process made all the easier by programs which systematically try all character combinations until the correct one is eventually generated. User-IDs and passwords can also be trapped by finding security holes in programs; a person looking to abuse the Internet finds these holes and uses the information leaked through them for his or her .....
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Female Circumcision
Words: 3203 - Pages: 12.... more than 120 million women across a broad swath of the African continent have been subjected to the brutal genital mutilation. Most are children between the ages of 4 and 10 when the ritual takes place. Although Westerners condemn it as torture, child abuse and a violation of human rights, it remains a revered rite of passage in parts of Africa, the Middle East and Southeast Asia. According to the World Health Organization, circumcision dates back almost 4,000 years. No one knows exactly how the practice began, though scholars speculate its origins lay somewhere along the Nile Valley.
The reasons for performing this procedure are almos .....
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Alzheimers Disease
Words: 1507 - Pages: 6.... in 1905, Alzheimer speculated that the nerve tangles and plaques were responsible for the women’s dementia.
Alzheimer’s disease is a disorder marked by a gradual decline in brain function that gets worse with time. It used to be assumed that this change was a normal part of aging that we called senility. Some people develop this condition when they are as young as 40 years of age. However, the disease is most common in persons over the age of 65. It is estimated that approximately 10 percent of persons over 65 years of age may have Alzheimer’s disease and that in persons over the age of 85, up to 50 percent may be affec .....
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