Essays on Chiras

It is evident, and all would agree, that the house should be strong, durable, built quickly and at a relatively inexpensive cost. In most cases, disputes begin on the choice of building materials. Which would be stronger, thermal insulated, warmer – wood, brick, concrete, or polymer-based materials? Which of them are considered environmentally friendly and which are not? Until recently, metal, steel in particular was not part of the discussion on the material for the construction of the frame of an individual house. However, the development of energy-efficient technology, the translucent structures based on steel beams are built today even ...

Innovation and Technology Management Individual Report

Innovation and Technology Management Individual Report

The research idea selected is the tesla Model 3 electric vehicle. This vehicle the most recent innovation in the transport industry since it offers environmental sustainability as a benefit to users. The company has developed the vehicle as an electric vehicle with zero carbon emissions. It is expected by Tesla Motors that the new and innovative vehicle will be ready for shipping to consumers by the end of 2017. According to the Tesla website, the vehicle is highly efficient in energy consumption since it allows a range of up to 215 miles per ...

Impacts of Petroleum Exploration, Extraction and Transport

Oil shale may be defined as those rocks that usually contain a high proportion and percentage of organic matter such as kerogen. Oil shale is mainly characterized by the low calorific value as well high ash and even mineral content. Oil usually produces energy, which serves a very crucial purpose to our planet. Energy is regarded as the lifeblood of the planet earth and its occupants, thereby, being categorized as among the essential commodities that normally powers the intentions to expand the global economy (Burnham, Stubblefield, & Campbell, 1980). In the 1950s, natural gas and oil became the primary sources of liveliness ...

Chapter 18 page 395 presents a cases study of asbestos and the dangers it causes to the environment. Direct or indirect consumption of asbestos fibers into the human body poses great dangers to body organs and tissues. Toxic chemicals produced by asbestos once inhaled stays in the lungs for a long period and cause chronic disorders like mesothelioma, lung cancer, and fibrosis. Mesothelioma forms a type of cancer only caused by asbestos. Fibrosis causes breathing difficulties on affected individuals (Chiras, 2014). Asbestos come from natural deposits of rocks. Asbestos is used mainly in building materials, asbestos-cement products, friction products, paper products, ...

A plug-in hybrid vehicle, plug-in hybrid, or hybrid electric vehicle is a vehicle that makes use of rechargeable batteries and other devices of energy storage. They are restored to full charge through the connection of the plug to the electric power sources (external) that are normally on electric wall sockets. The PHEVs share characteristics of various hybrid electric vehicles that have electric motors, as well as internal combustion engines (ICEs). They also have an all-electric car that has a plug of connect to an electrical grid. The PHEVs seen today are passenger vehicles even though there are PHEV versions for commercial ...

Fossil fuel has a high demand in any country. In this century, the innovations in the 21st century enable the country to do exploration and invent other drilling technologies. The drilling technologies make it possible for easy accessibility of the reserves that were previously inaccessible. The Marcellus Shale has a lot of natural gas and this has brought development to the developments in the three states. The developments include both economic and infrastructural benefits. The revenue from the sale of the natural gas goes to the federal government (Chiras, 283). This money helps in the development of infrastructures in the states. ...

Atherosclerosis is a cardiovascular disease of the walls of the artery that comes as a result of accumulation of fatty deposits on walls of the artery leading to an impairment of the flow of blood (Weber & Soehnlein, 2013). With in mind that cardiovascular diseases cause deaths and morbidity in several countries, atherosclerosis can be viewed as a serious disease particularly with regards to the ever increasing cases of obesity. Notably, there is an apparent relationship between atherosclerosis and heart attack; atherosclerosis most commonly leads to heart attack. The understanding of the relationship between atherosclerosis and heart attack can be best understood ...

Renewable Energy

Global warming continues to present problems not just for developing countries but also to developed countries as natural calamities worsen, man-kind continuously abusing and depleting the environment’s many gifts and the world continuously becoming either warmer or colder in seasons which should not be possible. Eastwood (2011) stressed that many factors have been attributed as to how global warming continues to persist; one of them being the use of non-renewable energies, such as fossil fuel, which releases carbon enough to reduce the ozone layer. In turn of this massive emissions, it traps more ultraviolet rays inside the earth; ...

Digestion in human beings and other animals is overly dependent on the action of enzymes; in their basic form, enzymes are protein materials that act as catalysts with the ability to produce certain chemical changes. Digestion of food substances usually begin in the mouth. The glands in the mouth produce enzyme salivary amylase (which acts on starch changing it into sugar) and lingual lipase (which kicks off the digestion of lipids) (Chiras 109). The stomach n its part, produces two enzymes, pepsin that breaks down proteins into peptides (Chiras 109). While there are no enzymes produced in the large ...

Alternative Renewable Energy: Solar Panels

The problem on climate change and the rapid depletion of national energy sources have been a standing problem for the world since the 19th century. Current natural energy sources, mainly fossil fuel and coal, are starting to run out due to the increasing human consumption of both developing and developed countries. While it provides electricity and power to various human activities, the usage of these natural energy sources causes severe environmental hazards that are now apparent in society and ecosystem. In response to the growing hazards of continuous use of fossil fuels/coal and its depleting supply, several proposals had been ...

Renewable sources of energy are those energy sources that cannot be completely depleted or which can be replenished at a fast rate. This means energy from sources such as geothermal power stations, biomass, hydrogenation, wind, and even the sun. There is increased use of renewable energy sources all over the world due environmental conservation and increasing technological demands. Technology goes hand in hand with energy since all technological advancements derive their power from the various sources of energy. The prices of energy resources have sky-rocketed to unaffordable levels due to the high demand for energy resources among users. Certain ...

a) Explain why the effort of hormonal (Endocrine ) control tends to be slow whereas nervous control is usually very fast.

Endocrine control is normally slower when compared to nervous control majorly because hormones once released by the endocrine gland have to travel via the circulation to reach their target receptors on the effector organ which generally takes more time. Meanwhile, information relayed by nerves is in form of impulses (that is, action potentials generated due to electrical excitation produced by a change in the charge across the surface membrane of the neuron evoked by the stimuli) that simply travel along the ...