83 research outputs found
Система управления повышением квалификации управленческого персонала организации
Выпускная квалификационная работа посвящена анализу путей повышения эффективности использования человеческих ресурсов. В ходе работы был произведен обзор теоретического материала по управлению человеческими ресурсами; проанализированы размер и структура организации; изучены методы мотивации рассматриваемой организации; проведена оценка удовлетворенности персонала; проанализированы методы, влияющие на эффективность работы персонала; предложены рекомендации по повышению эффективности использования людских ресурсов.The final qualifying work is devoted to the analysis of ways to improve the efficiency of the use of human resources. In the course of the work, a review was made of theoretical material on human resource management; analyzed the size and structure of the organization; the methods of motivation of the organization in question have been studied; staff satisfaction was assessed; analyzed the methods that affect the efficiency of the personnel; recommendations for improving the efficiency of the use of human resources are proposed
Solution Behavior and Activity of a Halophilic Esterase under High Salt Concentration
Background: Halophiles are extremophiles that thrive in environments with very high concentrations of salt. Although the salt reliance and physiology of these extremophiles have been widely investigated, the molecular working mechanisms of their enzymes under salty conditions have been little explored. Methodology/Principal Findings: A halophilic esterolytic enzyme LipC derived from archeaon Haloarcula marismortui was overexpressed from Escherichia coli BL21. The purified enzyme showed a range of hydrolytic activity towards the substrates of p-nitrophenyl esters with different alkyl chains (n = 2−16), with the highest activity being observed for p-nitrophenyl acetate, consistent with the basic character of an esterase. The optimal esterase activities were found to be at pH 9.5 and [NaCl] = 3.4 M or [KCl] = 3.0 M and at around 45°C. Interestingly, the hydrolysis activity showed a clear reversibility against changes in salt concentration. At the ambient temperature of 22°C, enzyme systems working under the optimal salt concentrations were very stable against time. Increase in temperature increased the activity but reduced its stability. Circular dichroism (CD), dynamic light scattering (DLS) and small angle neutron scattering (SANS) were deployed to determine the physical states of LipC in solution. As the salt concentration increased, DLS revealed substantial increase in aggregate sizes, but CD measurements revealed the maximal retention of the α-helical structure at the salt concentration matching the optimal activity. These observations were supported by SANS analysis that revealed the highest proportion of unimers and dimers around the optimal salt concentration, although the coexistent larger aggregates showed a trend of increasing size with salt concentration, consistent with the DLS data. Conclusions/Significance: The solution α-helical structure and activity relation also matched the highest proportion of enzyme unimers and dimers. Given that all the solutions studied were structurally inhomogeneous, it is important for future work to understand how the LipC's solution aggregation affected its activity
Values in the Smart Grid: The co-evolving political economy of smart distribution
Investing in smart grid infrastructure is a key enabler for the transition to low carbon energy systems. Recent work has characterised the costs and benefits of individual "smart" investments. The political economy of the UK electricity system, however, has co-evolved such that there is a mismatch between where benefits accrue and where costs are incurred, leading to a problem of value capture and redeployment. Further, some benefits of smart grids are less easy to price directly and can be classified as public goods, such as energy security and decarbonisation. This paper builds on systemic treatments of energy system transitions to characterise the co-evolution of value capture and structural incentives in the electricity distribution system, drawing on semi-structured interviews and focus groups undertaken with smart grid stakeholders in the UK. This leads to an identification of municipal scale values that may be important for business models for the delivery of smart infrastructure. Municipalities may thus pursue specific economic opportunities through smart grid investment. This supports recent practical interest in an expanded role for municipalities as partners and investors in smart grid infrastructures
Toward the networked city?: Translating technological ideals and planning models in water and sanitation systems in Dar es Salaam
One of the most influential ideals for constructing and managing cities and infrastructures worldwide is that of the ‘networked city'. This ideal refers to the technological design and morphology of cities integrated and ordered by infrastructure networks and to a specific model in the operation, use and planning of infrastructures. Engineers, planners and public health officials have aspired to align with this circulating ideal of urban modernity, hygiene and rationalization of nature in (re)producing cities worldwide. Like many cities in the global South, Dar es Salaam cannot be characterized by universal access to centralized water and sewerage networks. While formal institutions, planning documents and strategies reflect significations, as well as organizational and planning models of a networked city, its urban environments are shaped by hybrid arrangements manifesting unequal access to water and sanitation services. We build on postcolonial critique in urban studies and science and technology studies to inquire into this contradiction by addressing the translation of the ideal of the networked city in Dar es Salaam. Our objective is to uncover the negotiations over the translation of this hegemonic model, and to delineate the scope of creativity in reinventing alternative urban modernities that defy simplistic notions of technology transfer
Toward the networked city? : Translating technological ideals and planning models in water and sanitation systems in Dar es Salaam
One of the most influential ideals for constructing and managing cities and infrastructures worldwide is that of the ‘networked city'. This ideal refers to the technological design and morphology of cities integrated and ordered by infrastructure networks and to a specific model in the operation, use and planning of infrastructures. Engineers, planners and public health officials have aspired to align with this circulating ideal of urban modernity, hygiene and rationalization of nature in (re)producing cities worldwide. Like many cities in the global South, Dar es Salaam cannot be characterized by universal access to centralized water and sewerage networks. While formal institutions, planning documents and strategies reflect significations, as well as organizational and planning models of a networked city, its urban environments are shaped by hybrid arrangements manifesting unequal access to water and sanitation services. We build on postcolonial critique in urban studies and science and technology studies to inquire into this contradiction by addressing the translation of the ideal of the networked city in Dar es Salaam. Our objective is to uncover the negotiations over the translation of this hegemonic model, and to delineate the scope of creativity in reinventing alternative urban modernities that defy simplistic notions of technology transfer
Smart city making? The spread of ICT-driven plans and infrastructures in Nairobi
Since the late 2000s, the city of Nairobi in Kenya has become a focal point of large-scale and ambitious technology-driven city making processes and ambitions. In this study, we draw upon observations, interviews, and policy analysis to examine processes of city making and the spread of ICT-driven infrastructures, juxtaposing ambitious visions of emergent plans with ordinary realities of the African city. We demonstrate that while processes of smart city making have strongly been inclined toward technocratic approaches and deterministic appeals, this inclination is highly deceptive. We argue that rather than being deterministic, these processes are essentially politicized, highly contested, and shaped by the role and impact of local practices and context-specific realities. In making this argument, we draw from a social studies of technology perspective which engages with the notion of technological determinism to make this contribution to the academic field of critical urbanism
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