Friday, January 24, 2020

The Dandelion :: essays research papers fc

The Dandelion, of the genus Taraxacum and the class Magnoliopsida is a close relative of the Sunflower. The name, Dandelion comes from the French phrase for  ¡Ã‚ ¥Teeth of Lion ¡Ã‚ ¦, dent de lion, due to the likeness of the shape of the plant ¡Ã‚ ¦s leaves and a lion ¡Ã‚ ¦s canine teeth, whilst its generic name, Taraxacum Officinale was influenced by the plant ¡Ã‚ ¦s many medical properties. Taraxacum meaning  ¡Ã‚ ¥disorder-remedy ¡Ã‚ ¦ and Officinale, stating that the plant has medicinal attributes. Other popular names for this plant include swine snout, priest ¡Ã‚ ¦s crown and pissabed. Framed by shiny, hairless, jagged leaves, the bare, hollow, magenta-tinted stems (that hold up the flower heads) carry bright yellow caps of countless tiny tie-shaped golden petals, which after fertilization, mature into white fluffy balls containing seeds. The leaves that rise from the tap root are naturally positioned for rain to slide straight into it, thus keeping itself well fed. This  ¡Ã‚ §common meadow herb ¡Ã‚ ¨ originated from Greece and was introduced to  ¡Ã‚ §all parts of the north temperate zones ¡Ã‚ ¨ . Now they are so abundant that they crowd and strangle fields almost all over the world, and have made a name for itself as the  ¡Ã‚ §King of Weeds ¡Ã‚ ¨. The Dandelion, surprisingly, has a large number of uses, both nutritional and medicinal. Back in the olden days and even now, the entire plant was utilized. Wine was extracted from the flowers; the leaves were used as vegetables, while the stems and roots were mainly used as medicine. Nowadays in Western medicine, this herb is hardly mentioned but usage of it for culinary purposes is still blooming, especially in European countries such as France. Nutrition-wise, the Dandelion caters to both the animal kingdom and humans. They provide pollen and nectar for bees throughout spring and even until late autumn, when the bees ¡Ã‚ ¦ usual sources of honey stop blooming. This lessens the time in which the bees ¡Ã‚ ¦ require artificial food, thus benefiting beekeepers. Dandelions ¡Ã‚ ¦ do not only attract bees, but research has confirmed that over 93 types of insects rely on its nectar, whilst animals, such as small birds, pigs, goats and rabbits devour it avariciously. The leaves can be torn to bits and used as filling of sandwiches; they are also used to create Herb beer that, compared to normal beer, is much cheaper and less likely to make a person drunk. The wine strengthens and invigorates, being a tonic, improving blood circulation. The taproot, after being dried, chopped, roasted and grounded into fine powder has been discovered to be an  ¡Ã‚ §almost indistinguishable ¡Ã‚ ¨1 substitute for real coffee.

Thursday, January 16, 2020

Isaac Asimov Essay

Isaac Asimov, the pre-eminent popular-science writer of the day and for more than 40 years one of the best and best-known writers of science fiction, died yesterday at New York University Hospital. He was 72 years old and lived in Manhattan. He died of heart and kidney failure, said his brother, Stanley. Mr. Asimov was amazingly prolific, writing nearly 500 books on a wide range of subjects, from works for preschoolers to college textbooks. He was perhaps best known for his science fiction and was a pioneer in elevating the genre from pulp-magazine adventure to a more intellectual level that dealt with sociology, history, mathematics and science. But he also wrote mysteries, as well as critically acclaimed books about the Bible, physics, chemistry, biology, astronomy, limericks, humor, Shakespeare, Gilbert and Sullivan, ancient and modern history, and many other subjects. Mr. Asimov’s first book, â€Å"Pebble in the Sky† (Ballantine), a science-fiction novel, was published in 1950. His first 100 books took him 237 months, or almost 20 years, until October 1969, to write. His second 100, a milestone he reached in March 1979, took 113 months, or about 9 1/2 years — a rate of more than 10 books a year. His third 100 took only 69 months, until December 1984, or less than 6 years. â€Å"Writing is more fun than ever,† he said in a 1984 interview. â€Å"The longer I write, the easier it gets.† He once explained how he came to write â€Å"Asimov’s Guide to Shakespeare† (Crown). It began, he said, with a book called â€Å"Words of Science.† † ‘Science’ led to ‘Words on the Map,’ † he remarked, â€Å"which took me to ‘The Greeks,’ which led me to ‘The Roman Republic,’ ‘The Roman Empire,’ ‘The Egyptians,’ ‘The Near East,’ ‘The Dark Ages,’ ‘The Shaping of England’ and then ‘Words From History.’ It was an easy jump to ‘Words in Genesis,’ which brought on ‘Words From the Exodus.’ That led me to ‘Asimov’s Guide to the Old Testament,’ and then ‘The New Testament.’ So what was left except Shakespeare?† His usual routine was to awake at 6 A.M., sit down at the typewriter by 7:30 and work until 10 P.M. In â€Å"In Memory Yet Green,† the first volume of his autobiography, published in 1979, he explained how he became a compulsive writer. His Russian-born father owned a succession of candy stores in Brooklyn that were open from 6 A.M. to 1 A.M. seven days a week. Young Isaac got up at 6 o’clock every morning to deliver papers and rushed home from school to help out in the store every afternoon. If he was even a few minutes late, his father yelled at him for being a folyack, Yiddish for sluggard. Even more than 50 years later, he wrote: â€Å"It is a point of pride with me that though I have an alarm cloc k, I never set it, but get up at 6 A.M. anyway. I am still showing my father I’m not a folyack.† He Learns to Read, Then Teaches Sister Isaac Asimov was born Jan. 2, 1920, in the Soviet Union, near Smolensk, the son of Judah and Anna Rachel Berman Asimov. He was brought to the United States in 1923 and was naturalized in 1928. He taught himself to read before he was 5 years old, using the signs on his Brooklyn street. A couple of years later, with a little help from his father, he taught himself to read Yiddish. When he was 7, he taught his younger sister to read. He skipped several grades and received a high-school diploma when he was 15. After discovering science fiction on the magazine rack in his father’s store — and overcoming his father’s objections to fanciful subject matter — he tried writing science fiction himself and sold his first story when he was 18. The story, â€Å"Marooned Off Vesta,† ran in the October 1938 issue of Amazing Stories. Three years later, in 1941, he sold a story called â€Å"Nightfall† to Astounding Science Fiction, then the top magazine in the field. It was edited by John W. Campbell Jr., whose ability to find talented writers was largely responsible for what is considered the Golden Age of science fiction in the 1930’s and 40’s. Almost 30 years after â€Å"Nightfall† was published, the Science Fiction Writers of America voted it the best science-fiction short story ever written. Astounding Science paid a cent a word, Mr. Asimov once recalled. â€Å"So for a 12,000-word story I expected $120. I got a check for $150 and thought Mr. Campbell had made a mistake.† But when Mr. Asimov called to tell him, â€Å"he said the story had seemed so good to him he gave me a bonus of one-quarter cent a word.† Mr. Asimov graduated from Columbia University in 1939 with a bachelor of science degree, and earned an M.A. in 1941 and a Ph.D. in chemistry there in 1948. The next year, he accepted an offer from Boston University’s School of Medicine to teach biochemistry. â€Å"I didn’t feel impelled to tell them that I’d never had any biochemistry,† he recalled in a 1969 interview. â€Å"By 1951 I was writing a textbook on biochemistry, and I finally realized the only thing I really wanted to be was a writer.† He was made an associate professor of biochemistry in 1955 and a professor in 1979, although he stopped teaching in 1958 and only occasionally went back to the university to lecture. A Science Fiction Of Verve and Clarity Mr. Asimov’s science-fiction novels and stories won many awards: five Hugos, given by the fans, and three Nebula Awards, given by his fellow writers. His â€Å"Foundation Trilogy† (all published by Doubleday) — which takes place in a future galactic empire and consists of â€Å"Foundation† (1951), â€Å"Foundation and Empire† (1952) and â€Å"Second Founda tion† (1953) — was given a Hugo in 1966 as Best All-Time Science-Fiction Series. Among his nonfiction works, â€Å"Asimov’s New Guide to Science† is considered one of the best books about science for the layman. Reviewing â€Å"Foundation’s Edge† (Doubleday), a sequel to the trilogy and the first of Mr. Asimov’s books to make the New York Times best-seller list, the critic Gerald Jonas said in The New York Times Book Review in 1982: â€Å"He writes much better than he did 33 years ago — yet he has lost none of the verve he brought to this series when he and the galaxy were much younger. What more could one ask?† â€Å"Foundation’s Edge† won a Hugo in 1983 as the best science-fiction novel of the year. In recent years, Mr. Asimov wrote â€Å"Foundation and Earth† (1986) and â€Å"Prelude to Foundation† (1988). A final novel, â€Å"Forward the Foundation,† is to be published by Bantam Books later this year. Mr. Asimov himself made no great claims for his work. â€Å"I make no effor t to write poetically or in a high literary style,† he said in 1984. â€Å"I try only to write clearly and I have the very good fortune to think clearly so that the writing comes out as I think, in satisfactory shape.† â€Å"I never read Hemingway or Fitzgerald or Joyce or Kafka,† he once wrote. â€Å"To this day I am a stranger to 20th-century fiction and poetry, and I have no doubt that it shows in my writing.† No Typist or Agent, And No Airplanes He wrote his first drafts on his typewriter, and short articles and final drafts on a word processor, and he rewrote everything only once. â€Å"It’s not out of conceit,† he said. â€Å"But I have lots of stuff I’m committed to write and if I linger lovingly I won’t be able to write at all.† Not everything, however, fell into place easily. He once did a children’s book in a day, but the Shakespeare book took two years. The book he considered his favorite, â€Å"Murder at the A.B.A.† (1976), a mystery novel in which he himself was a character, took seven weeks; â€Å"The Gods Themselves† (1972), a science-fiction novel that won both the Hugo and the Nebula awards, took seven months. â€Å"I do all my own typing, my own research, answer my own mail,† Mr. Asimov once said. â€Å"I don’t even have a literary agent. This way there are no arguments, no instructions, no misunderstandings. I work every day. Sunday is my best day: no mail, no telephones. Writing is my only interest. Even speaking is an interruption.† Although he wrote about space travel through countless universes and light years, Mr. Asimov himself refused to fly. â€Å"Isaac says that he loves to fly into space and span the galaxies,† the editor Ben Bova once remarked. â€Å"But only in his imagination.† Among Mr. Asimov’s other well-known science-fiction works were â€Å"I, Robot† (1950), in which he invented his famous Three Laws of Robotics, which govern the relation of robots to their human masters: robots may not injure a human or, by inaction, allow a human to be harmed; robots must obey humans’ orders unless doing so conflicts with the fir st law; robots must protect their own existence unless doing so conflicts with the first two laws. Robot and galactic-empire themes eventually expanded and intertwined in 14 novels. Secret of Success: It’s All in the Genes He also wrote many nonfiction works and magazine articles on a wide range of subjects and was the editorial director of a magazine named after him — Isaac Asimov’s Science Fiction Magazine — for which he wrote the editorials in each issue. He received the James T. Grady Award of the American Chemical Society in 1965 and the American Association for the Advancement of Science-Westinghouse Science Writing Award in 1967. Recently Mr. Asimov said he had had a prostate operation and was cutting back on his writing. He suspended his monthly column in Fantasy and Science Fiction magazine, to which he had contributed some 400 columns and articles over 33 years. Writing 10 or more books a year was standard procedure for Mr. Asimov, and he continued his busy pace after a heart attack in 1977 and triple bypass surgery in 1983. â€Å"I have been fortunate to be born with a restless and efficient brain, with a capacity for clear thought and an ability to put that thought into words,† he once remarked. â€Å"None of this is to my credit. I am the beneficiary of a lucky break in the genetic sweepstakes.† Mr. Asimov once told an interviewer about sadly contemplating death and the end of conscious thought. But, he said, he cheered himself with the thought that â€Å"I don’t have to worry about that, because there isn’t an idea I’ve ever had that I haven’t put down on paper.†

Wednesday, January 8, 2020

The Aviation Industry Of China - 2873 Words

AVIA3101 Individual Assignment Si Yat PONG (z3440479) Option 1 General The aviation industry of China began for around half a century. As a developing country, the economy of China has a massive increase, but the strictly controlled airspace and complicated regulation limited the growth of China Aviation. Recently, new measures such as more efficient airspace approval process, have improved the situation and giving hope that the market will rise. In fact, the market has rapidly increased. As the China government giving ways to develop the aviation industry, more and more have negotiated increased capacity with China, Australia is one of them. In the past 10 years, the demand of travelling between Australia and China keep increasing at a high rate, especially after 2009 (fig 1) [International Airline Activity—Time Series. 2015]. Due to the rise in demand, major airlines such as Qantas China Eastern and China Southern have a massive expansion in terms of no. of flights and route network. With annual passengers of around 850k, China has become a key source market for Australia. Airports are also trying to attract Chinese travelers. For example, in Sydney airport every Chinese New Year, Terminal 1 would celebrate with Chinese-Themed declaration, launching simplified Chinese site and deployed Chinese-speaking Ambassadors to assist Chinese customers in Terminal 1. China aviation industry is absolutely one of the largest and fastest growing economies. 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