Introduction Generally‚ PET can be produced in two steps by one of two ways‚ called the DMT and the TPA processes‚ or the transesterfication and direct esterification routes‚ respectively. Since its commercialization in the 1950’s by DuPont‚ PET was predominantly synthesized out of DMT due to the fact that this monomer‚ compared to TPA‚ was relatively easily purified by distillation. Yet‚ since the 1960’s‚ purified TPA became available by the development of new technologies and gained a lot of importance
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In one year‚ America will have exhausted 80% of her petroleum reserves. Will we then go to war with the Arabs for the privilege of driving our cars? Will we strip-mine our land for coal and poison the air we breathe to drive our autos an additional 100 years? Will we raze our forests for our energy needs? I certainly hope our country will never come to those conclusions. However‚ someone must make a conclusion hopefully toward an alternate fuel source. The fuel source I would propose is biomass
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The Efficiency of Ampalaya (Momordica charantia) Leaves Extract as Antibacterial Soap Source: Marie Grace C. Caiña Robel M. Evarola Hazel D. Clavano Abstract: Plants play a vital role in the production of most medicine and drugs. Extracts of different plants are known to have therapeutic effects. Synthetics and pharmaceuticals are based on natural compounds first found on plants‚ bacteria and fungi. About 40% of all prescribed drugs are derived from natural substances composed of scientifically
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Aztecs The original Aztec empire was peopled by a group that was once nomadic‚ the Mexicans. Their chroniclers told them that after their long journey from Aztlan‚ they found themselves to be outcasts‚ until they found the sign sent to them by their god Huitzilopochtli‚ and began to build their city. So the Mexican people continued and the Aztec Empire began. The city of Tenochitlan became one of the largest cities in the world. The power of the Mexican people became more consolidated‚ and they
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Robin Reid‚ the director of the Center for Collaborative Conservation of Colorado State University’s Warner College of Natural Resources‚ will be speaking at the Lory Student Center Theatre from 6:30 to 8:00p.m. Tuesday‚ Sept. 27. Reid will be a featured speaker for the President’s Community Lecture Series. Reid’s presentation‚ titled “Walking with Herders (and Others): Bringing Different People Together to Work with Nature‚” will focus on creating resolutions for conservation issues by assembling
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The governance of human societies can learn much from the quiet wisdom of pecan trees‚ where survival depends not on competition but on cooperation and balance. In "The Council of the Pecans‚" Robin Wall Kimmerer reimagines governance through the lens of Indigenous ecological knowledge‚ challenging Western‚ hierarchical systems of control. By drawing parallels between pecan trees’ synchronized masting and human governance‚ she suggests mutualism‚ reciprocity‚ and interdependence should serve as foundational
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If I am Fire by Carl Sandburg “If I am Fire‚ Then your arms are the hearth that contains me. If I am a constellation‚ then you are the sky that holds me up. If I am wanderlust‚ Then you are the destinations that I seek. If I am chaos‚ then you are the storm inside me.” To summarize this poem “If I am fire” by the author Carl Sandburg is about how this person that he loves and adores most and that she’s the one who makes him happy inside and out. Every time she/he thinks of them goes crazy for eachother
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An Impactful Professor and Assignment Robin Schofield‚ my English comp. II professor‚ had a tremendous impact on my life and my future as a student and eventually a teacher. Professor Schofield’s class consisted of a series of assignments that built upon each other until we finally were able to produce a final research paper for her class. During my first semester of college‚ I had been required to take a college preparatory class that involved the understanding and creating of a problem-solving
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The Alternative English Dictionary - -wad + no real translation; suffix that can be added freely to ANY word... e.g.: Shutup‚ dickwad! Piss off‚ asswad! Go away‚ stainwad! a arse bandit + HomoSexual John is an arse bandit Arsehole anus British equivalent of asshole arvo afternoon This word is used extensively in Australia and also in England in some places. ass boy (noun) ++ Derogatory term for male homosexual. "Whatever you say‚ ass boy." ass buttocks Now acceptable
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The legend of Robin Hood has been around for nearly one thousand years. For the past several hundred years‚ Robin and his Merry Men have been known for stealing from the rich‚ particularly tax collectors‚ and giving to the poor; however‚ because this is still stealing and Robin had also killed at least one of the king’s deer‚ Robin and his men were known as outlaws. While they may have been outlaws‚ Robin Hood and his Merry Men were more like knights in the way that they dealt honorably with opponents
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