Wednesday, February 26, 2020
Politeness Theory by Brown & Levinson Essay Example | Topics and Well Written Essays - 750 words
Politeness Theory by Brown & Levinson - Essay Example Everyone has a genuine face and a face with the mask. While speaking to someone you go by pretentions, depending upon your estimate of the nature of the individual. Smart sales personnel in a departmental store frame their own definitions and strategies while dealing with the customers. But impolite disposition should not be a rule but an exception. Howsoever powerful may the waves of the ocean, their real nature is mere water! Similarly man’s real nature is politeness. Impoliteness is the hallmark. Polite and impolite also need to be understood in the linguistic, cultural and ethnic contexts. Culture impacts our way of expression. Word meanings and their implications in a particular context are different.                           My real life examples as to how politeness saved the situation     Politeness is peace-giving. Politeness needs to be tempered with humor in critical situations. It is not the trait of the weakling. It is an asset of the strong! â€Å"Silence is the sweetest sound on Earth,†said Mr. Boris Pasternak, the famous Russian author. I politely disagree and desire to give some examples from my own life, why and how I was obliged to break the barrier of silence to defend myself without offending the individual in front of me. In one of the arguments in the shopping mall when I was making desperate attempts to restrict the possible cut on my credit card, and requesting my wife to put a break to the shopping spree, she challenged me to ask, â€Å"Do you always think that whatever you say is correct?â€
Monday, February 10, 2020
The Bio-Oil Over the Catalysts of Ni-CNTs Research Paper - 183
The Bio-Oil Over the Catalysts of Ni-CNTs - Research Paper Example The focus of this research is the high catalytic activity of Ni catalyst supported by CNTs and prepared with the help of precipitation method using the homogeneous deposition. The purpose of its use was the achievement of low temperature during organic compounds’ reformation to bio-oil. The optimal percentage of the content of Ni-loading was 15 wt%. At 550 C, the authors reached nearly 92.5% of theH2 yield upon the Ni-CNTs catalyst of 15 wt %. Upon the process of reformation of the bio-oil over the catalysts of Ni-CNTs, the authors studied the reforming temperature (T) influences, the molar ratio between the steam and carbon fed (S/C), as well as the current (I) conducted by the catalyst with the help of the carrier gas of stream inside the reforming reactor. The aim of this research was to advocate bio-oils reformation through the current used in the Ni-CNTs catalyst’s high-dispersion. This indicated that bio-oils reformation is helpful in increasing hydrogen’s yield by the reformation of bio-oils organic compounds at low temperature. The authors used H2-TPD, XRD, TEM, XPS, ICP/AES, along with the isotherms of N2 adsorption-desorption to investigate the Ni-CNTs’ catalysts’ features with Ni loading contents. The research led the authors to the conclusion that the narrow and uniform distribution achieved through higher dispersion of Ni and smaller particle size of Ni was achieved for the Ni catalyst supported by CNTs. The benefits of the technology included the reformation of the oxygenated organic compounds found in the bio-oil at substantially low temperature. Other pros of the technology included low cost and high efficiency.
Subscribe to:
Posts (Atom)