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South Africans live in a traumatized society where crime and violence are a big crisis. It is specially farm attacks that in the recent time show an increase. At the moment there are 274 farmers per 100 000 of the population in comparison with for example 153 policemen per 100 000, that are being murdered each year. In this study, a trauma counselling program is established, especially to give social support to victims of farm attacks. There are different reasons why a trauma counselling program for victims of farm attacks bas to be established: Farm attacks increase rapidly, - more than any other crimes. Farm attacks and - murder are brutal and gruesome. The farm attackers focus on torture and the infliction of severe pain and suffering. The fear that is inspired by this, leads to the termination of basic assumptions such as, that people are invulnerable, that there is a reason for everything happening and that something good will come forth. The termination of these basic assumptions lead to long term bio psychological changes in the life of the victim, his/her family and loved ones that saw or heard about the attack. This form of traumatization needs counselling. The purpose of this research was to determine the traumatic experience and the needs of victims after a farm attack. Through explanatory, descriptive, and exploratory evaluative research a way to establish and to guide the victims to take control of their lives, on the same level of social functioning as before the attack, is suggested. In this study the focus were on the following goals: Knowledge has to be gathered about the intensity of the attack and post traumatic stress reaction To achieve this aim a questionnaire for victims of farm attacks in the Northwest province has been designed and completed. The results show that there is a need for a trauma counselling program for victims of farm attacks. A trauma counselling program was designed after the results of the questionnaire were interpreted, other programs evaluated, and behavioural models studied The group work process seems to be the most appropriate to implement. The single system as method was used to evaluate the effectiveness of the designed counselling program. The results showed that the program could be used successfully to bring the necessary and desired changes in the lives of the victims of farm attacks / Thesis (Ph.D. (Social Work))--North-West University, Potchefstroom Campus, 2004.

In the wake of the cyber-attacks in 2007 against Estonia and in 2010 against Iran, academics have debated the character of cyberwar. This study applies the theories of coercive diplomacy to the cases of Estonia and Iran in order to explain cyber-attacks as instrument for coercive diplomacy. While the long term effects of the attacks have yet to be understood it is clear that cyber-attacks can, and will, become a serious threat against political decision-makers in times of conflict.

The latest evidence indicates that 50,000 Canadians will experience a stroke in 2013. The hospital care, rehabilitation, and long term care associated with a stroke places a significant burden on our health care system. Lost productivity and premature death have an immeasurable impact on communities in our province as well as the rest of the country. Small, less populated regions such as Saskatchewan may be underrepresented in national data utilized in the development of national prevention and treatment strategies across the country. The absence of local research has necessitated the use of national information to guide prevention, treatment education and programming in Saskatchewan. The goals of this study was to provide a descriptive profile of stroke and transient ischemic attack cases admitted to Royal University Hospital over the period of April 1, 2009 to March 31st, 2010 and to assess the acute management of these cases as defined in the Canadian Best Practice Recommendations for Stroke Care (Strategy, 2010). A randomized sample of 200 cases 55 years and older was selected for a retrospective descriptive study involving review of adult stroke case records. Personal demographics and healthcare performance through the use of measures provided in The Canadian Best Practice Recommendations for Stroke Care (Canadian Stroke Network (CSN) and Heart and Stroke Foundation of Canada (HSFC), 2010) were evaluated. The results indicated many similarities to available national information on type of stroke, risk factors, gender, and age. Hospital adherence to national guidelines comparing selected indicators was exceeded in some areas, and met in most. The remaining indicators provide an opportunity for improvement and possibly more research. This regional information supplements the available Canadian information and could be used to guide planning and care strategically targeting Saskatchewan residents and increasing their potential for success.

Aerodynamic devices, such as wings, are used in higher levels of motorsport (Formula-1 etc.) to increase the contact force between the road and tyres (i.e. to generate downforce). This in turn increases the performance envelope of the race car. However the extra downforce increases aerodynamic drag which (apart from when braking) is generally detrimental to lap-times. The drag acts to slow the vehicle, and hinders the effect of available drive power and reduces fuel economy. Wings, in automotive use, are not constrained by the same parameters as aircraft, and thus higher angles of attack can be safely reached, although at a higher cost in drag. Variable geometry aerodynamic devices have been used in many forms of motorsport in the past offering the ability to change the relative values of downforce and drag. These have invariably been banned, generally due to safety reasons. The use of active aerodynamics is currently legal in both Formula SAE (engineering compet ition for university students to design, build and race an open-wheel race car) and production vehicles. A number of passenger car companies are beginning to incorporate active aerodynamic devices in their designs. In this research the effect of ground proximity on the lift, drag and moment coefficients of inverted, two-dimensional aerofoils was investigated. The purpose of the study was to examine the effect ground proximity on aerofoils post stall, in an effort to evaluate the use of active aerodynamics to increase the performance of a race car. The aerofoils were tested at angles of attack ranging from 0° - 135°. The tests were performed at a Reynolds number of 2.16 x 105 based on chord length. Forces were calculated via the use of pressure taps along the centreline of the aerofoils. The RMIT Industrial Wind Tunnel (IWT) was used for the testing. Normally 3m wide and 2m high, an extra contraction was installed and the section was reduced to form a width of 295mm. The wing was mounted between walls to simulate 2-D flow. The IWT was chosen as it would allow enough height to reduce blockage effect caused by the aerofoils when at high angles of incidence. The walls of the tunnel were pressure tapped to allow monitoring of the pressure gradient along the tunnel. The results show a delay in the stall of the aerofoils tested with reduced ground clearance. Two of the aerofoils tested showed a decrease in Cl with decreasing ground clearance; the third showed an increase. The Cd of the aerofoils post-stall decreased with reduced ground clearance. Decreasing ground clearance was found to reduce pitch moment variation of the aerofoils with varied angle of attack. The results were used in a simulation of a typical Formula SAE race car.

The prediction of the expected long-term performance of concrete exposed to sewage and similar materials can be difficult as it is affected by a large number of parameters. In addition, the deterioration process in concrete is generally slow. The focus of the study was to ascertain the life expectancy of concrete septic tanks located in rural Victoria. In developing the accelerated test method, ASTM C 192, ASTM C 452, ASTM C 1293 and ASTM C 109 standard procedures were adopted wherever possible. From the analysis of mass change data after 350 days, it was found that the mass change rate for concrete in sulphate solutions increases with the increase of concentration of Na2SO4 solution. The weights of the samples in Na2SO4 solution increased with time, whereas the control specimens lost weight as a result of heating cycles. The probable reason for weight increase in Na2SO4 solution was hypothesized as the formation of gypsum (CaSO4.2H2O) and ettringite (3CaO.Al2O.3CaSO4.32H2O), which is confirmed from microstructural analysis. The rate of weight gain was higher at the beginning and reduced with time. The stronger the concentration of Na2SO4 the stronger was the weight gain or expansion of mass. All the samples in sulphate solutions attained their maximum weight at around 250 days. For the specimens in sulphuric acid solutions weight loss was observed to be higher for higher concentrations. The lower the pH of the acidic solutions, the larger was the weight loss. The weight loss of specimens in acidic solutions exceeded the control specimen after 250 days. The reason for the loss of weight of the samples in sulphuric acid may be the decalcification of C-S-H gel within the concrete, and as a consequence the loss of cementitious structure. Comparison of the corrosion of concrete and also microstructural examination of field samples confirmed that the deterioration mechanism is similar to that observed in the laboratory. The accelerated testing adopted here offers a realistic method of predicting the deterioration of septic tanks under biogenic sulphuric acid corrosion. Two equations have been proposed to predict deterioration due to sulphate attack and sulphuric acid attack as mass loss (or gain) with time.

Thesis (M.M.A.S.)--School of Advanced Airpower Studies, 1995. / Subject: The development and usefulness of US air attack theory and doctrine during the interwar period, 1919-1941. Cover page date: June 1995. Vita. Includes bibliographical references.