35 resultados para Erosion process and sugarcane monoculture


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This paper examines change management at William Angliss Institute of Technical and Further Education (TAFE) against the three organizational dimensions of structures, processes and boundaries identified by the INNFORM Study. Its experience confirms that even when an organization adopts a systemic approach and implements change across each design dimension, optimal performance benefits depend on mutually reinforcing and complementary changes. Furthermore, improvement to processes, particularly communications and human resources practices, plays a pivotal role, as complementary change across all dimensions depends ultimately on the contribution and commitment of organization members. Case findings also highlight the need for ambidextrous forms of organizing that combine 'controllability' with 'responsiveness'. The conceptual notion of organizing dualities has been employed to provide a practical interpretation of the ostensibly competing imperatives implied by ambidexterity. This case explores the dualities that can be demonstrated for the INNFORM triumvirate of structures, processes and boundaries. The dualities interpretation emphasizes an acceptance of texture and the simultaneous presence of what are conventionally viewed as incompatible organizing forms. This was considered a useful conceptual vehicle in the analysis of a case study covering nearly ten years of serious change interventions, where one theoretical view can be misleading in understanding the subtleties and complexities of the actual changes that occurred.

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A feasibility study for handling the partial recrystallisation in multi-pass hot deformation where the heterogeneity of microstructure of deformed austenite is inherently accompanied is presented. The proposed model is based on modification of the conventional model in which the microstructure of deformed austenite at each pass is simply taken as being homogeneous during the multi-pass deformation. The usefulness of the modified model has been demonstrated by applying it to a four-pass oval–round (or round–oval) rod rolling sequence. The recrystallised fraction, austenite grain size (AGS) and mean flow stress at each pass computed from the modified model has been compared with those from the conventional model. The result showed that the recrystallisation behaviour and evolution of AGS at a given pass were dependent on the modelling method of the partial recrystallisation in the multi-pass rolling for the case studied. As the rolling speed increased, the difference between the mean flow stresses calculated by the conventional model and the proposed model was gradually larger in accordance with the contribution of partial recrystallisation.

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The presentation will describe a cooperative inquiry project being undertaken within the School of Management and Marketing, Faculty of Business and Law. This project involves both HRM and Management academics and was commenced in February 2008 with the broad aim of developing an ongoing teaching and learning dialogue within these discipline areas to enhance teaching and learning.
The project is also aimed at enabling individuals and unit teams to develop and pursue their own priorities in teaching and learning and align these with the goals and objectives of the Faculty and University.
In the presentation we will describe the scope, nature and methods of the inquiry and the outcomes of the project to date. One major outcome to date has been a comprehensive review of all the units within the HRM and Management majors. This review has, in turn, lead to the initiation of four further projects.
These include an activity to benchmark the School’s HRM and Management units against universities in Australia and overseas; a literature review entitled ‘Linking practice, research and the scholarship of teaching’; a project that seeks to integrate individual and institutional needs; and an action research project to capture the process of change within the Management and HRM team. These four projects will be described briefly in the presentation.

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Short-term psychodynamic psychotherapy (STPP) is a widely practised form of psychological intervention. Given that the Roth and Fonagy (1996) review concluded that there was a lack of confirming evidence for STPP, the current review is focused on studies published between 1996 and 2006 that evaluate the efficacy of STPP. As a result of a systematic literature review, 18 studies were found that met inclusion criteria consistent with those used by Roth and Fonagy (1996) for selection of studies, patient groupings and definition of therapeutic method. In general these studies add to an increasing body of evidence suggesting that STPP can be an effective psychological treatment for individuals experiencing mental health problems. Specifically, for depression STPP can be equal in effects to other psychological treatments and is significantly better than no treatment in the short term. Furthermore, emerging process data indicate that there is a significant relationship between the use of specific psychodynamic therapeutic techniques and the alleviation of depressive symptoms. Increasing evidence has emerged to support STPP as a treatment for generalized anxiety disorder, panic disorder and some personality disorders. There remains limited evidence for the use of STPP treatment for patients with anxiety disorders that relate more to stress. Very limited and inconclusive evidence currently exists to support STPP as a treatment for bipolar disorder, eating disorders and drug dependency. Future research needs to include broader assessment measures, long-term follow up, studies that maintain an identifiable focus, and research that includes a focus on psychotherapy process variables as they interact with outcomes.

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This thesis explores the chaotic, dynamic, ambiguous, complex and confusing world of the insider researcher. The proliferating species of insider researcher is common in public sector organisations and is particularly prevalent among post-graduate students who have combined study with work. Insider researchers range from the in-house researcher employed to conduct research to those who are conducting research in addition to their normal duties. This thesis, through five illustrative case-studies, discusses, reflects upon, explains, and clarifies the possibilities, limitations and the issues arising from a consideration of the practice of professionals conducting research in the large government education system in Victoria. The central focus of this thesis, that of exploring issues arising from professionals conducting research in their own working environments, has an importance that hitherto has had little direct recognition in the qualitative education research literature. And yet the practice of insider research is common and has a potentially large impact on the nature of the decision making process in public sector organisations. This relative invisibility in the social research literature of a discussion of issues relating to insider research demands to be made more visible. It is both useful and necessary to explore the particular possibilities, conditions and challenges of insiders conducting research in public organisations as the practice of insider research contines to grow. This thesis adds to the literature by locating insider research in a discussion of the wider soial context of ideology, culture, relationships, politics, language and meaning, and the decision-making process.

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The Fiji Government's inability to resolve the differences over land leases is widely seen as a major contributor to the difficulties experienced by the sugar industry. In this paper, however, a different perspective is provided on the industry's problems. In examining the relationship between the profitability of the Fiji Sugar Corporation and sugarcane production, it is found that profitability has had a statistically significant negative effect on sugarcane production, leading to the conclusion that the Fiji Sugar Corporation has been inefficient in the management of the mills, the rail transport system, and sugarcane research.

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The research challenged traditional notions of the transcendental sublime by identifying the material basis of the experience through the practice of painting. Material interaction within the creative process revealed new insights, illuminated through the sublime experience. The sublime was indicated as a materially-based, generative experience mediating between subject and world.

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Compared to the Conventional Activated Sludge Process (ASP), Membrane Bioreactors (MBRs) have proven their superior performance in wastewater treatment and reuse during the past two decades. Further, MBRs have wide array of applications such as the removal of nutrients, toxic and persistent organic pollutants (POPs), which are impossible or difficult to remove using ASP. However, fouling of membrane is one of the main drawbacks to the widespread application of MBR technology and Extra-cellular Polymeric Substances (EPS) secreted by microbes are considered as one of the major foulants, which will reduce the flux (L/m2/h) through the membrane. Critical flux is defined as the flux above which membrane cake or gel layer formation due to deposition of EPS and other colloids on the membrane surface occurs. Thus, one of the operating strategies to control the fouling of MBRs is to operate those systems below the critical flux (at Sub-Critical flux). This paper discusses the critical flux results, which were obtained from short-term common flux step method, for a lab-scale MBR system treating Ametryn. This study compares the critical flux values that were obtained by operating the MBR system (consisting of a submerged Hollow-Fibre membrane with pore size of 0.4μm and effective area of 0.2m2) at different operating conditions and mixed liquor properties. This study revealed that the critical flux values found after the introduction of Ametryn were significantly lower than those of obtained before adding Ametryn to the synthetic wastewater. It was also revealed that the production of carbohydrates (in SMP) is greater than proteins, subsequent to the introduction of Ametryn and this may have influenced the membrane to foul more. It was also observed that a significant removal (40-60%) of Ametryn from this MBR during the critical flux determination experiments with 40 minutes flux-step duration.