Revista Jurídica Digital UANDES
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Clinical practice update on testosterone therapy for male hypogonadism:contrasting perspectives to optimise care
No full textCircular Economy Activities in the EU: Mapping SME Patterns of Implementation and their Correlates
No full textWith the European Commission looking for ways to incentivize the adoption of circular economy (CE) activities by small and medium sized enterprises (SMEs) in the EU, further insights into the implementation of CE activities across member states are needed. We analyse a European Commission survey conducted in 2016 among circa 11,000 firms in EU-28 member states in order to throw light on the conditions in which SMEs engage in five specific CE activities. In contrast to previous studies arguing that CE activities are independent of each other, we present novel findings demonstrating that seven patterns of engagement in CE can be identified in which activities are systematically interdependent. Further, we show that these patterns are associated with the organizational properties ofSMEs and are differentially distributed among EU member states and industrial sectors. The interdependency of activities forms a hierarchy in which waste minimization is the most likely activity to be implemented in SMEs, followed, in descending order of likelihood, by re-planning of energy use, redesigning products and services, and finally using renewable energy and re-planning water usage. The findings have theoretical, managerial and policy implications for the adoption of interdependent CE activities
Nanorings in planar connement: the role of repulsive surfaces on the formation of lacuna smectics
No full textKumaraswamy distribution:different methods of estimation
No full textThis paper addresses different methods of estimation of the unknown parameters of a two-parameter Kumaraswamy distribution from a frequentist point of view. We briefly describe ten different frequentist approaches, namely, maximum likelihood estimators, moments estimators, L-moments estimators, percentile based estimators, least squares estimators, weighted least squares estimators, maximum product of spacings estimators, Cramér–von-Mises estimators, Anderson–Darling estimators and right tailed Anderson–Darling estimators. Monte Carlo simulations and two real data applications are performed to compare the performances of the estimators for both small and large samples.</p
Measurement of electrical conductivity for metal wires using an electromagnetic sensor
No full textIn this paper, a strategy for non-contact measurement of the conductivity of metal wires used in wire based additive manufacture is proposed. A cylindrical magnetic sensor consisting of coil pair (transmitting and receiving coils) is designed and the change in the mutual impedance due to the presence of the wire inside the sensor is measured at multiple frequencies. It was found that the phase of the impedance (calculated from real/imaginary parts) is linearly related to the conductivity of the wire measured via a contact four-terminal measurement method. This technique can be potentially applied to the real-time and in-situ inspection of metal wires by measuring their conductivity variation, which could help in the quality control of wire based additive manufacture processes
Point Cloud Simplification by Clustering for Robotics and Computer Vision Applications
No full textThis paper introduces new methods of point cloud simplification methods (reducing the complexity whilst preserving integrity), which are targeted at mobile robotics applications, where computational power is limited and online processing is beneficial. A review of existing point cloud simplification methods has been conducted which highlighted the existing methods focus on maintaining the accuracy of the point cloud rather than the computational requirements. The proposed algorithms presented are compared to known clustering algorithms intended for embedded application, and are evaluated based on the computational time required to generate a clustered point cloud, the quality of the resulting point cloud and its suitability to form a polygonal mesh. All algorithms were benchmarked on several popular single board computers (SBCs) as well as an x86 computer. The proposed algorithms are shown to have significantly better performance in terms of computational time, compared to existing methods, whilst attempting to maintain overall quality.</p
An Enumerative Variability Modelling Tool for Constructing Whole Software Product Families
No full textConstructing a product family requires the formulation in problem space of a domain model (including a variability model) and its implementation in solution space. Current Software Product Line Engineering tools mostly aim to build an‘assembly line’ for deriving one product at a time by assembling domain artefacts according to the variability model. Therefore, those tools support enumerative variability in problem space, but parametric variability in solution space. In this paper we present a tool to model and implement enumerative variability in bothspaces, and hence construct a whole product family in one go
Review of Labour in Global Value Chains in Asia (Development Trajectories in Global Value Chains), Nathan, D., Tewari, M., & Sarkar, S. (Eds.). (2016).
No full textAn Assessment of Organisational Change through International Human Resource Management Practices in Chinese Multinational Corporations (MNCs) in Africa
No full textThis article draws attention to the nature and strategies of organisational change through International Human Resource Management (IHRM) in Chinese Multinational Corporations (MNCs) from their headquarters to African subsidiaries, specifically the agents as change generators, change implementers and change adopters. It begins with a review of the literature on change management through IHRM in Chinese MNCs in Africa. And then based on cross-level and in-depth data, it focuses on one Chinese MNC in the telecommunication sector, Huawei, to analyze its strategies for managing change and the agents that influence the organisational change from its headquarter in Shenzhen, China to its subsidiary in Accra, Ghana. It examines the transferability of an organisational change model through IHRM in the western contexts from China to Africa with adaptation of unique Chinese characteristics and under African conditions. This research provides theoretical foundation to both academics and practitioners on the nature, strategies and change agents through IHRM practices in Chinese MNCs when they are transferred into different contexts, especially in Africa