Oedipus At Colonus ( Sophocles ) Heart Of Darkness ( Joseph Conrad ) free essay sample

Examines characters of Oedipus Kurtz as examples of outsider/exile facing psychological moral turmoil. The hero exiled from his native land and forced to wander has served as a central figure in the literature of Western civilization for centuries and has a number of antecedents from outside that part of the world. Gilgamesh in Babylonian literature is a prototype, and examples can be found in Norse literature, Egyptian literature, and Chinese literature as well. Such a figure allows for consideration of the displacement of institutions of social power as the wanderer is forced out of his own place of power because of some transgression for which he must atone or because of which he becomes an outsider with a different view of the world he left behind. Two such characters are Oedipus in Sophocles Oedipus at Colonus and Kurtz in Joseph Conrads Heart of Darkness. The essence of the Oedipus myth revolves around personal. We will write a custom essay sample on Oedipus At Colonus ( Sophocles ) Heart Of Darkness ( Joseph Conrad ) or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page .

Electrodialysis of Deep Sea Water for the Production of Value Added Vegetables †Engineering Essay

Electrodialysis of Deep Sea Water for the Production of Value Added Vegetables – Engineering Essay Free Online Research Papers Electrodialysis of Deep Sea Water for the Production of Value Added Vegetables Engineering Essay Abstract The present research was carried out to apply deep sea water to hydroponics in order to improve the yield and nutritional value of vegetables. Deep sea water was electrodialyzed using a selective membrane cartridge for the exchange of monovalent ions, and then it was used to prepare nutrient solutions for the hydroponical production of spinach. Experimental results showed that sodium chloride was removed selectively from deep sea water by electrodialysis. The highest yield of spinach with a normal content of nutritional components was obtained when the electrodialyzed deep sea water of 5 dS/m was applied in nutrient solution. Increasing the salinity of electrodialyzed deep sea water caused an increase in the total ascorbic acid content but a decrease in the yield of spinach. Keywords: deep sea water, electrodialysis, ion concentration, hydroponics, nutrient solution, vegetable, yield, nutritional value 1. Introduction Deep sea water contains more than 80 kinds of inorganic elements (Nozaki, 1997) and some organic substances. It is almost free of harmful bacteria and has a constant temperature of 4-6 ? at a depth of 500 m. These characteristics have brought deep sea water many applications in marine products industry, food industry and health drink manufacturing (Watanabe, 2000; Yamaoka, 2000; Nakagawa, 2000). Vegetables are produced hydroponically using nutrient solution that usually contains only 17 kinds of elements. Applying deep sea water to nutrient solution is the best way to provide its components to vegetables, which is expected to result in the improvement of nutritional value of vegetables. Some of the components existing in deep sea water might have growth promotion effects on vegetables, however, surplus sodium chloride must be removed. The objectives of the present work were (1) to selectively remove sodium chloride from deep sea water, (2) to prepare nutrient solution with deep sea water for the hydroponical production of spinach, and (3) to investigate the effect of deep sea water on yield and content of nutritional components of spinach. 2. Experimental 2-1 Deep sea water Deep sea water was obtained from a depth of 500 m in the Pacific Ocean at a latitude of 33Â °56’N and a longitude of 136Â °21’E, where is near Owase City, Mie Prefecture, Japan. Surface sea water was also obtained at the same place. The sea water was stored at 5 ? before used. 2-2 Electrodialysis of deep sea water A small-scale electrodialyzer?(Micro Acilyzer S3, Asahi Chemical Industry Co., Ltd.) fit up with a selective membrane cartridge for the exchange of monovalent ions (AC-110-550, Asahi Chemical Industry Co., Ltd.) was used to remove sodium chloride (NaCl) from the sea water. Figure 1 shows its basic principles (Azuma, 1997). When a direct voltage is applied between the anode and the cathode, cation existing in stream moves toward the cathode, while anion in stream moves toward the anode. Cation may be passed through cation-exchange membranes but stopped by anion-exchange membranes, and anion may be passed through anion-exchange membranes but stopped by cation-exchange membranes, which results in moving of monovalent ions from the dilution stream to the concentration stream. The sea water was electrodialyzed at a voltage of 10 V. Electrical conductivity of the electrodialyzed sea water was measured at 25 ? using an electrical conductivity meter (CM-40S, TOA Co., Ltd.). Potassium (K), sodium (Na), calcium (Ca) and magnesium (Mg) existing in the electrodialyzed sea water were analyzed by atomic absorption spectrophotometry (AA-6200, Shimadzu Co., Ltd.). 2-3 Hydroponics of spinach A schematic diagram of the experimental apparatus for hydroponics is shown in Fig. 2. The bed was 600 mm long, 420 mm wide and 110 mm high, and it contained 25 L of nutrient solution. Air was supplied into the nutrient solution using an air pump. The deep sea water was electrodialyzed to an electrical conductivity of 5, 9, 16, 25 dS/m (25 ?) respectively, and then diluted with deionized water by 10 times in volume ratio before used to prepare nutrient solutions. Deionized water was used as the control condition, assuming that its electrical conductivity was 0 dS/m. Elements of nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), and sulfur (S) were controlled at the same concentrations for all nutrient solutions as the prescription B of OTSUKA HOUSE (Otsuka Chemical Co., Ltd.). A same amount of iron (Fe), boron (B), copper (Cu), zinc (Zn), and molybdenum (Mo) were added to all nutrient solutions, neglecting the original existence of these elements in the water used. Table 1 summarizes ion concentration, pH and electrical conductivity of the nutrient solutions. The nutrient solutions had an identical pH at 6.1, but different electrical conductivities ranging from 2.4 to 5.1 dS/m due to their different content of inorganic elements. Six beds with different nutrient solutions were placed in an artificial weather room. Twenty plants of spinach were grown in each bed for 21 days after transplantation. As shown in Fig.3, the artificial weather room had a light intensity of 175 ?mol/m2s, temperature of 23 ?, relative humidity of 70 % at light period from 6:00 to 18:00, and a temperature of 18 ?, relative humidity of 85 % at dark period from 18:00 to the next 6:00. All the nutrient solutions were kept at the same level in the beds. Changes in pH and electrical conductivity of the nutrient solutions were measured. Fresh matter of spinach was investigated by weighing the leaf and stem of each plant immediately after the harvest. Moisture (60?-48 h), crude ash (600?) and total ascorbic acid (Sakaki, 1983; The Vitamin Society of Japan, 1990) contained in the leaf of spinach were analyzed. 3. Results and Discussion 3-1 Variation of ion concentration during the electrodialysis of deep sea water Deep sea water and surface sea water had an electrical conductivity of 45, 50 dS/m, respectively. As shown in Fig.4, the electrical conductivity of deep sea water was reduced from 45 dS/m to 10 dS/m by electrodialysis. K concentration decreased from 619 ppm to 21 ppm, and Na concentration decreased from 11,212 ppm to 999 ppm in correspondence with the decrease of electrical conductivity. For both deep sea water and surface sea water, K oncentration (Ck, ppm) and Na concentration (Cna, ppm) could be expressed as a linear function of electrical conductivity (Ec, dS/m) respectively, in the range of 10 to 50 dS/m as follows: (R2=0.934) (1) (R2=0.985) (2) The concentrations of Ca and Mg did not change in the electrical conductivity range of 50 to 25 dS/m, and they decreased slightly when the electrical conductivity decreased from 25 to 10 dS/m as shown in Fig. 5. The decreases in the concentrations of Ca and Mg were much smaller than those of K and Na. It is clear that monovalent ions were selectively removed, while most of non-monovalent ions were left in the electrodialysis of deep sea water. 3-2 Growth of spinach in hydroponics The changes in pH and electrical conductivity of the nutrient solutions during growing of spinach are shown in Fig. 6. All the nutrient solutions were exchanged on the 14th day because of the increases in both pH and electrical conductivity of the nutrient solutions. pH increased identically from 6.1 to 7.0, but the electrical conductivity varied differently. The electrical conductivity of nutrient solution DSW0 was almost constant at 2.7 dS/m, while the electrical conductivity of nutrient solution DSW25 increased from 5.1 to 5.8 dS/m. The increase of electrical conductivity related to the accumulation of inorganic elements in the nutrient solution. The effect of salinity of electrodialzed deep sea water on spinach yield is shown in Fig.7. The mean fresh matter of spinach was 32.7 g/plant at 0 dS/m. It had the highest value of 33.5 g/plant at 5 dS/m, and then decreased linearly with the salinity of electrodialyzed deep sea water in the range of 9 to 25 dS/m. In the t test (Abacus Concepts, Inc., 1996; Morita, 1973), however, the differences in mean fresh matter, however, were not significant expect that at 25 dS/m. The moisture content and crude ash content of spinach were approximately constant at 92 %,w.b. and 2.0 %,w.b. respectively, in the salinity range of 0 to 25 dS/m as shown in Fig. 8. The effect of salinity of electrodialzed deep sea water on total ascorbic acid content of spinach is shown in Fig.9. Total ascorbic acid content was almost constant at 28.5 mg/100g in the range of 0 to 9 dS/m, and increased with the salinity of electrodialyzed deep sea water ranging from 9 to 25 dS/m. 4. Conclusions 1) Sodium chloride was removed from deep sea water without a big loss of non-monovalent ions by electrodialysis using a selective membrane cartridge for the exchange of monovalent ions. K concentration and Na concentration of the electrodialyzed deep sea water could be expressed as a linear function of its electrical conductivity, respectively. 2) After electrodialyzed to an electrical conductivity of 0 to 25 dS/m, and then diluted with deionized water by 10 times in volume ratio, deep sea water could be used to prepare nutrient solution for hydroponics of spinach. 3) Spinach had the highest yield and almost the same content of moisture, crude ash and total ascorbic acid when the electrodialyzed deep sea water of 5 dS/m was applied. Increasing the salinity of electrodialyzed deep sea water caused an increase in the total ascorbic acid but a decrease in the yield of spinach. Acknowledgment This work was financially supported by Mie Prefecture and Owase City, Mie Prefecture through a grant for feasibility study on the utilization of deep sea water. The authors are grateful to Mr. I. Azuma, manager of Industrial Membranes Division, Asahi Chemical Industry Co., Ltd. for kindly offering the electrodialyzer, Micro Acilyzer S3 and valuable advice. Literature Cited Abacus Concepts, Inc., 1996. StatView. Azuma I., 1997. The actual operation data and process design of brackish water desalination plant by electrodialysis. Journal of Nippon Kaisui Gakkai, 51(4), 171-179. Kawakita, H. et al., 1995. Fundamental Investigation of Deep Sea Water (Part 2) (in Japanese). Report of Kouchi Prefecture Industrial Technology Center, No.26, 8-12. Morita Y., 1975. Introduction to Statistics (in Japanese). Asakura Publishing Company, Ltd., Tokyo, 20-21. Nakagawa, K., et al., 2000. Manufacturing of Drinks Using Deep Sea Water (in Japanese). Kaiyo Monthly, No.22, 95-100. Nozaki, Y., 1997. Updated (1996 version) Table of the Elements in Seawater and its Remarks (in Japanese). Journal of Nippon Kaisui Gakkai, 51(5), 302-307. Sakaki T., N. Kondo, 1983. Breakdown of Photosynthetic Pigments and Lipids in Spinach Leaves with Ozone Fumigation: Role of Active Oxygen, Physiol. Plant, 59, 28-34. The Vitamin Society of Japan Ed., 1990. Vitamin Analysis. Kagaku-doujin Publishing Co., Inc., Tokyo, 135-143. Watanabe, M., 2000. Raising of Fishes with Deep Sea Water (in Japanese). Kaiyo Monthly, No.22, 62-68. Yamaoka,Y., 2000. Culturing of Microalgae with Deep Sea Water for the Production of Health Foods and Pigments (in Japanese). Kaiyo Monthly, No.22, 81-84. Research Papers on Electrodialysis of Deep Sea Water for the Production of Value Added Vegetables - Engineering EssayThe Spring and AutumnAnalysis Of A Cosmetics AdvertisementThe Effects of Illegal ImmigrationOpen Architechture a white paperBionic Assembly System: A New Concept of SelfGenetic EngineeringDefinition of Export QuotasThe Masque of the Red Death Room meaningsMind TravelRiordan Manufacturing Production Plan

A Filmic Analysis of Hamlet Essay Example for Free

A Filmic Analysis of Hamlet Essay Film (1251) , Hamlet (634) , Claudius (325) , Polonius (224) Haven't found the essay you want? Get your custom sample essay for only $13.90/page ? Shakespeare’s Hamlet inspired many film directors to adapt the play onto the big screen. In Kenneth Branagh’s version, he takes on the challenge of both directing the film and portraying Hamlet. In Marco Zeferelli’s edition, celebrated actor Mel Gibson stars as Hamlet. The directors use different aspects of cinematography and mise-en-scene to depict distinctive interpretations of the famous â€Å"To be or not to be† soliloquy. Branagh interprets the scene as a contemplation of Hamlet’s decision whether to kill himself or Claudius, whereas Zeferelli construes the scene as a deliberation of life, death, and the afterlife. Branagh uses props, varied camera angles, and thoughtful acting to describe the â€Å"To be or not to be† soliloquy as a brooding decision haunting Hamlet of action versus inaction. Branagh begins the soliloquy facing a two-way mirror, with Polonius and Claudius hidden behind it. The audience sees Hamlet staring directly at himself, while also facing the concealed men behind the mirror. This personifies the idea that Hamlet is hesitant about taking action against his own life or taking the life of Claudius: â€Å"Whether ‘tis nobler in the mind to suffer / The slings and arrows of outrageous fortune, / Or to take arms against a sea of troubles / And, by opposing end them† (3. 1. 65-68). The camera angle consists of a medium close-up on the intense concentration of Branagh’s face, expressing the critical contemplation of his life and Claudius’s. Later in the soliloquy, Hamlet uncovers a bodkin, pointing the weapon towards the two-way mirror in a manifestation of action versus inaction. The lighting of the scene highlights Branagh’s face and disposition with explicit detail, leaving no question to the viewer about his intent on either killing himself or Claudius. However, Branagh neglects to analyze Hamlet’s actual contemplation of death itself. Zeferelli focuses on Hamlet’s reflection of death as an experience and also the ambiguity of the afterlife. Mel Gibson recites the â€Å"To be or not to be† soliloquy in a royal tomb where his father is buried. The morbid setting suggests a theme of death. The low-key lighting emphasizes an ominous quality associated with Hamlet’s musing of the afterlife. Gibson meticulously edges through the graves, using composed speech to reflect upon his life and the life of his father: â€Å"For in that sleep of death what dreams may come, / When we have shuffled off this mortal coil, / Must give us pause. There’s the respect / That makes calamity of so long life† (3. 1. 74-77). Hamlet believes that the hardships of life become resolute through death. The turmoil of human affairs perishes along with an individual’s life. Gibson’s acting and disposition suggest that he thinks death is more appealing than life. His ponderings are not a question of action and revenge but a question of the actual prospects of death and what comes after death. The setting in a tomb highlights this as well as Gibson keenly looking up towards heaven during the soliloquy. Although the two directors interpret the â€Å"To be or not to be† soliloquy differently, similarities exist between the two scenes. The acting of Branagh and Gibson both reflect deep contemplation; Branagh being more concerted and Gibson being more reflective. Both actors use Shakespeare’s words very thoughtfully and precisely, and keep their voices in a soft but convincing monotone. The camera angles of the scenes are also similar with the shot situated intently on the actors’ faces, either focused in a fixed position on Branagh to represent great credence or zooming in slowly on Gibson’s face to represent a more reflective quality. Both directors do an exceptional job conveying the message that their cinematographic and acting choices suggest. The â€Å"To be or not to be† soliloquy is interpreted in many different ways, but Branagh and Zeferelli artfully choose one aspect of the scene to focus on. A Filmic Analysis of Hamlet. (2016, Sep 14).

PTSD sources analysis Essay Example | Topics and Well Written Essays - 1000 words

PTSD sources analysis - Essay Example Some people overcome this problem over time while others continue to be affected in their lifetime. Veterans especially Army and firefighters are the majority group likely to get PTSD. It has been found that people involved in combat situations are highly likely to have mental health problems due to what they encounter. After surviving in combat zones, many veterans have been seeking help in mental health care to overcome PTSD. However, they receive little or no medical attention for their life after they leave the army.4 Some of the problems that soldiers are forced to live with include anxiety, stress, and nightmares while others take their life after failing to get the necessary attention to PTSD. Because of this reason, the Veteran Affairs, set aside 300 million dollars for veteran mental health, but not all this amount will be spent.5 In fact, The Government Accountability Office (GAO) issued a report that faults the â€Å"Department of Veterans’ Affairs for failing to fully spend a promised $300 million since 2005 to fill gaps in mental illness treatment for veterans and returning troops.†6 The lack of support system in places of mental health care is due to lack of qualified medical professionals and resources.7 Moreover, there is lack of qualified mental health professionals in the field of mental health specializing in the recognition and treatment of PTSD. For example, many troops and veterans have not been screened for neurological and psychological injuries due to lack of physicians and inadequate medical screening process.8 A report published in Jan 2009 by the organization IAVA (Iraq and Afghanistan Veterans of America) states â€Å"Instead of screening troops through a face to face interview with a qualified mental health professionals, the DOD relies on an ineffective system of paper work to conduct mental health evaluations.†9 The report also mentions, â€Å"Mental health support for troops in Iraq is actually declining;

Network Diagram Case Study Example | Topics and Well Written Essays - 1000 words

Network Diagram - Case Study Example However, there may be some occurrences when the inter-division communication is required, say some conference where one division is providing the administration support, while the other is providing technical support, in such case, they would need to communicate with each other. The use of router, to connect these two separate boundaries of message collision, solves the problem. Each department of each division will be provided the hub. All the work stations in that department will be connected to a hub. The hubs of same division will be connected to each other, more or less like a chain or ring. The broadcast domain, the extent to which the packet will be visible, will be one department each. If some packet is there even at a department of division A , rest of the departments at department A will counter the congestion due to this. (Held 1986) In order to increase the efficiency, each division will have one PC that will work as a server, in each of the divisions. Moreover, these servers will used as a backup to each others. For example, if the server of division B fails, the divison A will become the active server and control both. On the overall level Ethernet and on the division level, token ring may be the best way. Note: Since this paper is supposed to provided to a manager, who may be a non-technical person, thus technical terms and jargons are avoided. BIBLIOGRAPHY: Hallberg, B., (2005). Networking. City: McGraw-Hill Osborne Media. Held, G., (1986). Data Communications Networking Devices. New York:

Sex difference and mathematical reasoning Essay Example for Free

Sex difference and mathematical reasoning Essay The main aim of the study was to determine whether mathematical reasoning is influence by sex of a person due to inconsiderate admission criteria that was adopted in United States for awarding scholarships to students irrespective of sex. In order to achieve this, the study selected sample population from both genders for students who were 13 years and above. The study was a result of the argument that males tend to dominate in mathematical aptitude test, which was evidenced by John Hopkins talent search in 1971 to 1979. Hence, Benbow and Stanley had to carry out this study to prove whether the argument was true and whether there was link between sex and ability to have good mathematical reasoning. Benbow and Stanley in this study investigated sex difference at the high level possible of the mathematical reasoning ability. The study was started by first identifying two groups of students who had the best mathematical reasoning from various mathematical aptitude test that they had taken. The study adopted two procedures where the first one involved identification and selection of students who took part in John Hopkins talent searches campaign from 1980 to 1982 (Benbow, Stanley, 1983). The students who were found to have the highest intellectual ability and below 13 years were given college Scholarship aptitude test, (SAT) to determine their mathematical reasoning. Consequently, the second procedure involved conducting nation-wide talent search and selecting those students who were below 13 years and were willing to take SAT. The results of this study indicated that students who were 13 years of age and below had high mathematical reasoning as evidenced by high scores in SAT, the mathematical part of the test. In addition, the results found that males scored far much high compared to females and thus support the prediction of the study that sex difference play important part in mathematical reasoning for children below 13 years. The evidence from the study indicated that those who scored 400 marks in SAT, males were more than female in the ratio of 1.51:1 and those who scored 600 marks or more the boys to girsl ration was 4.1:1, which showed that males had better mathematical reasoning compared to girls at the age of 13 (Benbow, Stanley, 1983). Consequently, nationwide talent search had the similar results with boy to girls’ ratio increasing to 12.6:1 for those that score 700 marks or more. The significance level Null distribution is the study probability distribution when null hypothesis is considered and regarded to be true. This means that null hypothesis it proved using null distributions. In this case, the alternative hypothesis is rejected. However, where the study does not support the null hypothesis, the said concludes by rejecting the null hypothesis at a given level of significance. Therefore, 0.05 significance means that the null hypothesis was rejected at 95% level of significance. The standard deviation error helps to determine the level of unbiased data and results of a given study and thus it becomes very important in any study. In this study, the standard error was important to determine the level of errors and thus improve the level of data reliability. Similarly, the confidence interval is used as the measure of reliability of the estimates obtained in the study. This helps to indentify if the data is misleading or within the significance level. References Benbow, C. P., Stanley, J. C. (1983). Sex differences in mathematical reasoning ability: More facts.  Science,  222(4627), 1029-1031. Source document

The Downfall of Macbeth Essay -- Macbeth essays William Shakespeare Pa

  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Macbeth, written by William Shakespeare, is the tragic tale of   Macbeth, a virtuous man, corrupted by power and greed. This tragedy can be classified by one of two theories. One theory suggests that the tragic hero, Macbeth, is led down an unescapable road of doom by an outside force; namely the three witches. The second suggests that there is no supernatural force working against Macbeth, which therefore makes him responsible for his own actions and inevitable downfall. Macbeth is indeed responsible for his own actions which are provoked by Lady Macbeth, the witches,   his ambition, and an unwillingness to listen to his own conscience. These forces had no direct control over his actions but simply pointed out different paths for him to follow. Ultimately, Macbeth chose the path of darkness.      Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Throughout   the entire play Macbeth ignores the voice of his own conscience. He knows what he is doing is wrong even before he murders Duncan. His own conscience is nagging at him but he allows Lady Macbeth and greed to cloud his judgement. In referring to the idea of the murder of Duncan, Macbeth first states,"We will proceed no further in this business"(I, vii, 32). Yet, after speaking with Lady Macbeth he recants and proclaims, "I am settled, and bend up /Each corporal agent to this terrible feat"(I, vii, 79-80). He allows himself to be swayed by the woman he loves. Lady Macbeth gave him an ultimatum and provoked him by saying:      Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   When you durst do it, then you were a man;   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   And to be more than what you were, you would   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Be so much more the man..... (I, vii, 49-51)    She provokes him ... ...cally cause an increase in his desires. He willingly committed the crimes to fulfil his ambitions; not because of a spell cast by the witches.      Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   While purposely played in a mysterious setting, the location is not meant to cloud the true theme of the play with the supernatural. Macbeth simply succumbs to natural urges and his own ambitions which lead him to a fate of his own making. The provocations of   Lady Macbeth, the witches, his ambition and his reluctance to listen to his conscience were the deciding factors in his life. He was not supernaturally controlled by the black magic of the witches nor was he purposefully led down a path of destruction. He was fully aware of the consequences of   all the decisions he made.   Everyone has character flaws that they must live with; Macbeth simply allowed those flaws to destroy him.