93 research outputs found

    The enigma of rape

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    "The topic of rape has historically been approached from a multitude of angles; it has been justified as an act of uncontrolled emotion of sexual attraction by some, and as a display of supremacy by others. Rape is often regarded as a despicable act that is conducted to display male domination over females, but is power really the only factor in explaining why men rape? Some scientists have pointed out that rape is not geographically unique to any society; it is a cultural universal, meaning that rape occurs in all known cultures. From this perspective, it becomes hard to believe that rape is fueled only by the desire to establish dominance stemming solely from societal influences. If power and social class are the only determining factors, then we would have noticed rich and powerful to be the culprits of the crime. On the contrary, researchers found the overwhelming majority of predatory rapists to be men of lower class and status – men with very dim prospects of gaining ‘legitimate access’ of women. For example, four of the suspects involved in the recent Delhi rape incident lived in a nearby slum, and one of them was the regular driver of the bus. Their wealth and social status were significantly lower than the status of the young psychology student and her male friend. Perhaps, from this line of thinking, many experts are now beginning to believe that power and social status are not the driving forces for rape.

    Construction of Physics-based brain atlas and its application

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    Ph.DDOCTOR OF PHILOSOPH

    A New Approach for Effective Reliability Management of Biomedical Equipment

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    Within the modern hospitals, an increasingly common problem is the efficient management of the maintenance of biomedical equipment. If effective management of medical equipment maintenance is applied, quality health services could be provided by reducing the downtime of medical equipment as well as by decreasing the recovery time for treatment of patients. Risk based maintenance strategy helps in designing an alternative methodology to minimize the risk by identifying the breakdown pattern and then increasing the reliability. The probability of failures that obstruct the reliability can be influenced by some technical, administrative or management actions. The proposed study is based on the analysis of reliability and availability for maintenance planning on the basis of risk index and fault tree analysis. Maintenance of equipment is prioritized based on the risk which helps in reducing the overall risk of the hospital. Fault tree diagram is also developed to understand the actual scenario where highest priority or risk events are sequentially arranged. Failure probability for different biomedical equipment has been established by applying statistical method. It has been observed that Magnetic Resonance Imaging has the lowest risk index while X-Ray has the highest risk index. Also, maintenance planning has been suggested based on the reduction of risk factor to meet the acceptable criteria and reduce the probability of failure. This approach depicts that reliability of equipment is increased after implementation of maintenance planning proposed which contributes to the availability of the equipment as well as its safe operation

    Catalytic difunctionalization of unactivated alkenes with unreactive hexamethyldisilane through regeneration of silylium ions

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    A metal‐free, intermolecular syn‐addition of hexamethyldisilane across simple alkenes is reported. The catalytic cycle is initiated and propagated by the transfer of a methyl group from the disilane to a silylium‐ion‐like intermediate, corresponding to the (re)generation of the silylium‐ion catalyst. The key feature of the reaction sequence is the cleavage of the Si−Si bond in a 1,3‐silyl shift from silicon to carbon. A central intermediate of the catalysis was structurally characterized by X‐ray diffraction, and the computed reaction mechanism is fully consistent with the experimental findings.TU Berlin, Open-Access-Mittel - 201

    An Exploratory Study to Find Motives Behind Cross-platform Forks from Software Heritage Dataset

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    The fork-based development mechanism provides the flexibility and the unified processes for software teams to collaborate easily in a distributed setting without too much coordination overhead.Currently, multiple social coding platforms support fork-based development, such as GitHub, GitLab, and Bitbucket. Although these different platforms virtually share the same features, they have different emphasis. As GitHub is the most popular platform and the corresponding data is publicly available, most of the current studies are focusing on GitHub hosted projects. However, we observed anecdote evidences that people are confused about choosing among these platforms, and some projects are migrating from one platform to another, and the reasons behind these activities remain unknown.With the advances of Software Heritage Graph Dataset (SWHGD),we have the opportunity to investigate the forking activities across platforms. In this paper, we conduct an exploratory study on 10popular open-source projects to identify cross-platform forks and investigate the motivation behind. Preliminary result shows that cross-platform forks do exist. For the 10 subject systems in this study, we found 81,357 forks in total among which 179 forks are on GitLab. Based on our qualitative analysis, we found that most of the cross-platform forks that we identified are mirrors of the repositories on another platform, but we still find cases that were created due to preference of using certain functionalities (e.g. Continuous Integration (CI)) supported by different platforms. This study lays the foundation of future research directions, such as understanding the differences between platforms and supporting cross-platform collaboration.Comment: Accepted at 17th International Conference on Mining Software Repositories, October 5--6, 2020, Seoul, Republic of Kore
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