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Research paper thumbnail of Effects of Noise Pollution on Zakho University Students at Two Faculty of Science Buildings

Science Journal of University of Zakho

Noise is a type of pollution that has a negative impact on human health and well-being. Because o... more Noise is a type of pollution that has a negative impact on human health and well-being. Because of population growth and urbanization, the magnitude and severity of noise pollutionare increasing. This study examines the level of noise throughout Zakho university-faculty of science buildings. Noise levels were measured using a sound level meter at two campus buildings at five different times (9:00 AM –2:00 PM). A total of 180 students (98 females, 82 males) were questioned to collect data. The noise levels were highest at the ground floor of building one were at (11:00AM-12:00PM) and (12:00-1:00 PM), respectively, changing from 60.6 to 73.7 dB at (11:00 AM-12:00 PM) and 63.3-73.8 dB at (12:00-1:00 PM) (12-1:00 PM). These results could be due to students taking a lunch hour after 12:00PM and visiting a café at this site. The most prevalent direct impact of noise on students was feeling annoyed, which affected 23% of students, followed by headache (18%) and so on. Noise has psychologi...

Research paper thumbnail of Epistemological and ontological aspects of quantum mechanics

We want to stady two important class of the interpretation in quantum mechanics, Epistemological ... more We want to stady two important class of the interpretation in quantum mechanics, Epistemological and Ontological interpretation. Index Terms (Keywords) — Epistemological interpretation, Ontological interpretation, Copenhagen interpretation, Quantum logic, Hidden Variables, interpretation (Bohm’s interpretation), Quantum logic. ——————————  ——————————

Research paper thumbnail of A Logarithmic Formula to Describe the Relationship between the Increased Radiosensitivity at Low Doses and the Survival at 2 Gray

Sultan Qaboos University Medical Journal, 2013

Objectives: Intrinsic radiosensitivity at doses used in radiotherapy is linked to hypersensitivit... more Objectives: Intrinsic radiosensitivity at doses used in radiotherapy is linked to hypersensitivity (HRS) and increased radio resistance (IRR) at low doses. The aim of this study was to explore this relationship. Methods: Survival curves for 18 human tumour cell lines were analysed, using two models to fit the data points in order to extract the necessary parameters relevant for this study. Results: The IRR ratio α s /α r versus the survival at 2 gray (Gy) can be described by a logarithmic relation which leads to a series of straight lines. Conclusion: The relationship obtained implies that there is a direct link between HRS/IRR and survival at clinically relevant doses of 2 Gy.

Research paper thumbnail of Effects of Noise Pollution on Zakho University Students at Two Faculty of Science Buildings

Science Journal of University of Zakho

Noise is a type of pollution that has a negative impact on human health and well-being. Because o... more Noise is a type of pollution that has a negative impact on human health and well-being. Because of population growth and urbanization, the magnitude and severity of noise pollutionare increasing. This study examines the level of noise throughout Zakho university-faculty of science buildings. Noise levels were measured using a sound level meter at two campus buildings at five different times (9:00 AM –2:00 PM). A total of 180 students (98 females, 82 males) were questioned to collect data. The noise levels were highest at the ground floor of building one were at (11:00AM-12:00PM) and (12:00-1:00 PM), respectively, changing from 60.6 to 73.7 dB at (11:00 AM-12:00 PM) and 63.3-73.8 dB at (12:00-1:00 PM) (12-1:00 PM). These results could be due to students taking a lunch hour after 12:00PM and visiting a café at this site. The most prevalent direct impact of noise on students was feeling annoyed, which affected 23% of students, followed by headache (18%) and so on. Noise has psychologi...

Research paper thumbnail of Epistemological and ontological aspects of quantum mechanics

We want to stady two important class of the interpretation in quantum mechanics, Epistemological ... more We want to stady two important class of the interpretation in quantum mechanics, Epistemological and Ontological interpretation. Index Terms (Keywords) — Epistemological interpretation, Ontological interpretation, Copenhagen interpretation, Quantum logic, Hidden Variables, interpretation (Bohm’s interpretation), Quantum logic. ——————————  ——————————

Research paper thumbnail of A Logarithmic Formula to Describe the Relationship between the Increased Radiosensitivity at Low Doses and the Survival at 2 Gray

Sultan Qaboos University Medical Journal, 2013

Objectives: Intrinsic radiosensitivity at doses used in radiotherapy is linked to hypersensitivit... more Objectives: Intrinsic radiosensitivity at doses used in radiotherapy is linked to hypersensitivity (HRS) and increased radio resistance (IRR) at low doses. The aim of this study was to explore this relationship. Methods: Survival curves for 18 human tumour cell lines were analysed, using two models to fit the data points in order to extract the necessary parameters relevant for this study. Results: The IRR ratio α s /α r versus the survival at 2 gray (Gy) can be described by a logarithmic relation which leads to a series of straight lines. Conclusion: The relationship obtained implies that there is a direct link between HRS/IRR and survival at clinically relevant doses of 2 Gy.

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