Friday, January 24, 2020

Australia and Japans Relationship since World War II Essay -- essays

Since the signing of the 1951 peace treaty between Australia and Japan, the two countries have rapidly built a productive relationship. Many factors and events have contributed to the development of this partnership. The ANZUS treaty was the turning point in the Austral-Japanese relationship. It assured Australia protection against Japan and provided security in the Asia-Pacific region. Trade and cultural exchange also played a significant role in shaping Australia’s relationship with Japan. Growth of trade was a contributor to the sense of a mutual interest between the two countries. The cultural exchange often helped to recognise and accept the differences between Australia and Japan. The partnership between Australia and Japan instigated with the signing of ANZUS treaty in 1951. ANZUS joined the nations of Australia, New Zealand and the United States of America in a defence security pact for the Pacific region. It chiefly resulted from the fear of communism by Western nations. However, from Australia’s point of view at the time, ANZUS also offered protection against a potential threat from Japan. Australia was concerned that Japan would try to conquer the Pacific region again after suffering defeat in the Second World War. Hanson.M (2001:28) sates that shortly after the end of World War Two, Australia wanted the Japanese government turned into a democracy. She even wanted a peace treaty that punished those leaders responsible for Japan’s aggression, broke the great industrious complexes of Japan’s economy, and left Japan disarmed. The ANZUS treaty however, created a connection between Australia and Japan on easier terms. With United States ba cking Australia, it was now safe to interact with Japan. Although ANZUS did not guarantee direct military support from United States, it still provided consultation in an event of attack on any of the three countries. Wolferen.K (1989:54) notes that security co-operation has been growing between Australia and Japan throughout the 1990’s. Communist China was the major concern for the two nations. Japan and Australia had the same negative views about communism, which led to them sharing a common purpose in countering the communists within that region. After Sir John McEwen, the former Minister for Trade, signed the Australia-Japan Commerce Agreement in 1957, the trading aspect between the two nations has developed ... ...dying Japanese at tertiary level alone. Research relating to Japan is carried out at about thirty-seven universities in Australia. The range of research has developed to include not only the humanities, but also practical and business-related fields. Also there is a considerable amount of youth exchange between Australia and Japan. Every year Japan accepts about one hundred young Australians as government funded students. All of the above attributes are making a major contribution to the promotion of friendly relations between Australia and Japan. After evaluating the above factors, it is clear that the partnership between Australia and Japan is of significant importance to both countries. With reference to the Centre for Study of Australian-Asian Relations (1997:152) the future prosperity of Australia will to an increasing extent, be dependent on that of her neighbours in the Asia-Pacific area. Currently the Australia-Japan relationship could be described as â€Å"comfortable and relaxed†. However both Australia and Japan need to be alert to the changing environment and must ensure that the right frameworks and policy settings are in place in order for the two countries to prosper.

Thursday, January 16, 2020

Various Laboratory Tests on Cement

VARIOUS LAB TEST ON CEMENT: Checking of materials is an essential part of civil engineering as the life of structure is dependent on the quality of material used. Following are the tests to be conducted to judge the quality of cement. 1. Fineness 2. Soundness 3. Consistency 4. Initial and Final Setting Time of Cement FINENESS OF CEMENT: We need to determine the fineness of cement by dry sieving as per IS: 4031 (Part 1) – 1996. The principle of this is that we determine the proportion of cement whose grain size is larger than specified mesh size. Apparatus: The apparatus used are ) 75Â µm IS Sieve ii) Balance capable of weighing 10g to the nearest 10mg iii) A nylon or pure bristle brush, preferably with 25 to 40mm iv) bristle, for cleaning the sieve Figure No. Sieve No. 200 Procedure to determine fineness of cement: i) Weigh approximately 10g of cement to the nearest 0. 01g and place it on the sieve. ii) Agitate the sieve by swirling, planetary and linear movements, until no m ore fine material passes through it. iii) Weigh the residue and express its mass as a percentage R1,of the quantity first placed on the sieve to the nearest 0. 1 percent. v) Gently brush all the fine material off the base of the sieve. v) Repeat the whole procedure using a fresh 10g sample to obtain R2. Then calculate R as the mean of R1 and R2 as a percentage, expressed to the nearest 0. 1 percent. When the results differ by more than 1 percent absolute, carry out a third sieving and calculate the mean of the three values. Reporting of Results: Report the value of R, to the nearest 0. 1 percent, as the residue on the 90Â µm sieve. Test To Check Soundness Of Cement: SOUNDNESS : Soundness of cement is determined by Le-Chatelier method as per IS: 4031 (Part 3) – 1988.Apparatus – The apparatus for conducting the Le-Chatelier test should conform to IS: 5514 – 1969 Balance, whose permissible variation at a load of 1000g should be +1. 0g and Water bath. Procedure to determine soundness of cement i) Place the mould on a glass sheet and fill it with the cement paste formed by gauging cement with 0. 78 times the water required to give a paste of standard consistency. ii) Cover the mould with another piece of glass sheet, place a small weight on this covering glass sheet and immediately submerge the whole assembly in water at a temperature of 27 Â ± 2oC and keep it there for 24hrs. ii) Measure the distance separating the indicator points to the nearest 0. 5mm (say d1 ). iv) Submerge the mould again in water at the temperature prescribed above. Bring the water to boiling point in 25 to 30 minutes and keep it boiling for 3hrs. v) Remove the mould from the water, allow it to cool and measure the distance between the indicator points (say d2 ). vi) (d2 – d1 ) represents the expansion of cement. Test To Check Consistency Of Cement : CONSISTENCY : The basic aim is to find out the water content required to produce a cement paste of standard consis tency as specified by the IS: 4031 (Part 4) – 1988.The principle is that standard consistency of cement is that consistency at which the Vicat plunger penetrates to a point 5-7mm from the bottom of Vicat mould. Apparatus – Vicat apparatus conforming to IS: 5513 – 1976, Balance, whose permissible variation at a load of 1000g should be +1. 0g, Gauging trowel conforming to IS: 10086 – 1982. Procedure to determine consistency of cement i) Weigh approximately 400g of cement and mix it with a weighed quantity of water. The time of gauging should be between 3 to 5 minutes. ii) Fill the Vicat mould with paste and level it with a trowel. ii) Lower the plunger gently till it touches the cement surface. iv) Release the plunger allowing it to sink into the paste. v) Note the reading on the gauge. vi) Repeat the above procedure taking fresh samples of cement and different quantities of water until the reading on the gauge is 5 to 7mm. Reporting of Results Express the amount of water as a percentage of the weight of dry cement to the first place of decimal. Test To Check Initial And Final Setting Time Of Cement : INITIAL AND FINAL SETTING TIME : We need to calculate the initial and final setting time as per IS: 4031 (Part 5) – 1988.To do so we need Vicat apparatus conforming to IS: 5513 – 1976, Balance, whose permissible variation at a load of 1000g should be +1. 0g, Gauging trowel conforming to IS: 10086 – 1982. Procedure to determine initial and final setting time of cement : i) Prepare a cement paste by gauging the cement with 0. 85 times the water required to give a paste of standard consistency. ii) Start a stop-watch, the moment water is added to the cement. iii) Fill the Vicat mould completely with the cement paste gauged as above, the mould resting on a non-porous plate and smooth off the surface of the paste making it level with the top of the mould.The cement block thus prepared in the mould is the test block. A)Â  INITIAL SETTING TIME : Place the test block under the rod bearing the needle. Lower the needle gently in order to make contact with the surface of the cement paste and release quickly, allowing it to penetrate the test block. Repeat the procedure till the needle fails to pierce the test block to a point 5. 0 Â ± 0. 5mm measured from the bottom of the mould. The time period elapsing between the time, water is added to the cement and the time, the needle fails to pierce the test block by 5. 0 Â ± 0. mm measured from the bottom of the mould, is the initial setting time. B)Â  FINAL SETTING TIME : Replace the above needle by the one with an annular attachment. The cement should be considered as finally set when, upon applying the needle gently to the surface of the test block, the needle makes an impression therein, while the attachment fails to do so. The period elapsing between the time, water is added to the cement and the time, the needle makes an impression on the surface of the test block, while the attachment fails to do so, is the final setting time.

Wednesday, January 8, 2020

Syrian Security Goals - 1078 Words

One of the U.S. goals is to stop the growth of terrorism in the war torn Syria. It is stated that â€Å"Ungoverned territory provides space for terrorist groups to operate, and chaos provides a recruitment pool of disenfranchised, angry young men†(Issa para 8). This shows that in war inflicted countries terrorist groups like al-Qaeda and Isis can fluctuate and grow in the chaos of a country. With no structure in SYria these terrorist groups can continue to influence younger men and build a stronger presence(Issa para 8). This has also led to the expansion of terrorism into European countries and Isis inspired attacks in the U.S. (Issa para 8). It is depicted that â€Å"While still nowhere near to being a significant threat to U.S. power, let alone†¦show more content†¦This exhibits that Russia is trying to challenge the United States world power status and that America must stay on top, to continue to assist countries in dire need. U.S. involvement in Syria is very crucial but we must prevent as many casualties as possible. The Syrian war has been going on for six years and more than 300,000 people have died(The Syrian War...para 6). .It has been stated that â€Å"Syrian and Russian airstrikes continued to target, or indiscriminately strike civilian areas, including homes, markets, schools, and hospitals, using wide-area explosives, barrel bombs, cluster munitions, and flammable incendiary weapons†(Syria Events of 2016 para 7). This discloses that these unplanned airstrikes are destroying peoples communities and taking their lives. The U.S. must protect these innocent civilians and protect their lives for the future. Government forces in Syria have used over 13 worldwide banned weapons which have resulted in over 400 attacks on civilians and children(Syria Events of 2016 para 8). 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