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Статті в журналах з теми "658.5:338.33"
1
Kudo, Hiroko. "Exit/Entry, Voice/Noise, and Loyalty/Apathy in the era of social media." Central and Eastern European eDem and eGov Days 338 (July 16, 2020): 417–29. http://dx.doi.org/10.24989/ocg.338.33.
Повний текст джерелаАнотація:
Use of Social Media in public life has changed the way how citizens relate to public sector. Modern communication tools, in particular Social Media, have made citizens easier to use their “voice” to mobilize. When citizens can easily mobilize, the cost of mobilization is low for them, while its impact can lead to a larger cost for the State. As the exit/entry cost of Social Media is very low or almost nothing, a virtual network has been substituting institutions, causing new issues to the State. This leads to the issue of loyalty: citizens now feel that they do not need institution like the State to belong to, as many networks substitute its function. This paper analyses the Social Media use by citizens and its impact on public sector through Albert Hirschman’s classis “Exit, Voice, and Loyalty” and tries to address new aspects.
2
Chávez Guerra, Alejandra. "Análisis de tema la dimensión estratégica de la innovación Tecnológica / Analysis of the subject on Strategy theme of technological innovation." RIDE Revista Iberoamericana para la Investigación y el Desarrollo Educativo 3, no. 6 (January 20, 2015): 44. http://dx.doi.org/10.23913/ride.v3i6.71.
Повний текст джерелаАнотація:
Este ensayo tiene como objeto analizar la dimensión estratégica de la innovación tecnológica. A través de un análisis sobre la tecnología como factor generador de valor en la empresa, resaltando el desarrollo de procesos de innovación tecnológica y su adecuada gestión para conseguir y mantener ventajas tecnológicas, que incrementen la competitividad y la posición de dominio de la empresa, destacando las características esenciales de las etapas de desarrollo de nuevos productos por la empresa y las ventajas derivadas de una buena gestión. Es dentro de este marco de análisis, decidí basarme en el libro de la bibliografía básica de PAVON Morote, Julian; Hidalgo Buchera, Antonio (1997): Gestión e Innovación: Un Enfoque Estratégico. Ed. Pirámide. España. CERI: 658.5 PAV1997.
3
Kim, Jong Oh, and Jin Woo Lee. "Adsorption of Hazardous Heavy Metals Using Reactive Inorganic Agents in Synthetic Wastewater." Materials Science Forum 658 (July 2010): 5–8. http://dx.doi.org/10.4028/www.scientific.net/msf.658.5.
Повний текст джерелаАнотація:
This study focused on the adsorption characteristics of hazardous heavy metals using reactive inorganic agents in synthetic wastewater. Basic properties of five reactive agents were analyzed by zeta potential, particle size, XRF and SEM. Zeta potential of five adsorbents was 45, 7, 14, -2 and 45 mV, respectively. Average particle size was in the range of 1.4 to 9㎛. By XRF analysis, main components were Na, Al, Si, S and Fe in reactive agents and no great differences in Mg, K, Ca and Ti components. As, Zn, Ni, Cu, Cr, Cd and Pb were used as target heavy metals. Adsorption capacity of Pb and Cu was in the order: TN 315Ny-T3>TN820L>TN315NY.
4
Piao, Xing Zhe, Hai Yin Piao, and Song Yang. "Design of Conversion Circuit for Intellect Vortex Flow-Meter." Applied Mechanics and Materials 336-338 (July 2013): 33–37. http://dx.doi.org/10.4028/www.scientific.net/amm.336-338.33.
Повний текст джерелаАнотація:
The design principles of conversion circuit for intellect vortex flow-meter with MSP430 microcontroller used as the core was described in detail. The implementation plan of system development was confirmed based on the analyzing of the key technology of vortex flow-meter, which collected and processed the pulse signal from the pre-amplified circuit and sent to the module of D/A conversion converted into standard 4 ~ 40 mA output. The key of the design of hardware circuit and implementation of software was stated. The result tested and approved by the site shows that the technology index has met the design requirement with the character of reliability, which solves the problem of the large wastage of power and low stability. Its performance can be comparable with that of the same import products and its cost is much lower. It has a broad market prospect.
5
Chen, Ke Pi, Jin Song Pan, and Xiao Wen Zhang. "Pb(Mg1/3Nb2/3)O3- Pb(Ni1/3Nb2/3)O3-PbTiO3 Crystals by Solid State Growth." Key Engineering Materials 336-338 (April 2007): 33–35. http://dx.doi.org/10.4028/www.scientific.net/kem.336-338.33.
Повний текст джерелаАнотація:
A small piece of <110> orientated relaxor-based ferroelectric Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN-PT) single crystals was embedded in Pb(Mg1/3Nb2/3)O3-Pb(Ni1/3Nb2/3)O3-PbTiO3 (PMN-PNN-PT) polycrystalline matrix to form the fully dense disk by spark plasma sintering (SPS) technique. Specimens were subsequently annealed to promote the boundary migration of the template single-crystal through a process termed as solid-state single crystal growth. It was found that the addition of excess 5 wt% PbO can promote the crystal growth, and the 2D morphology with V-shaped single crystals of PMN-PNN-PT were also observed. The possible growth mechanism was discussed.
6
Rivera, José María, Susana Rincón, Cherif Ben Youssef, and Alejandro Zepeda. "Highly Efficient Adsorption of Aqueous Pb(II) with Mesoporous Metal-Organic Framework-5: An Equilibrium and Kinetic Study." Journal of Nanomaterials 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/8095737.
Повний текст джерелаАнотація:
Mesoporous metal-organic framework-5 (MOF-5), with the composition Zn4O(BDC)3, showed a high capacity for the adsorptive removal of Pb(II) from 100% aqueous media. After the adsorption process, changes in both morphology and composition were detected using a scanning electron microscope (SEM) equipped with an energy dispersive X-ray (EDX) system, Fourier transform infrared spectroscopy (FTIR), and X-ray photoelectron spectroscopy (XPS) analysis. The experimental evidence showed that Zn(II) liberation from MOF-5 structure was provoked by the water effect demonstrating that Pb(II) removal is not due to ionic exchange with Zn. A kinetic study showed that Pb(II) removal was carried out in 30 min with a behavior of pseudo-second-order kinetic model. The experimental data on Pb(II) adsorption were adequately fit by both the Langmuir and BET isotherm models with maximum adsorption capacities of 658.5 and 412.7 mg/g, respectively, at pH 5 and 45°C. The results of this work demonstrate that the use of MOF-5 has great potential for applications in environmental protection, especially regarding the removal of the lead present in industrial wastewaters and tap waters.
7
Rama, Mirvete, Mirela Miraci, Idriz Balla, Ela Petrela, Ledjan Malaj, and Anjeza Koleci. "Cost-Effectiveness of Thrombolytic Therapy, Compared with Anticoagulants Therapy in the Treatment of Acute Myocardial Infarction in Albania." Open Access Macedonian Journal of Medical Sciences 3, no. 2 (May 28, 2015): 341–44. http://dx.doi.org/10.3889/oamjms.2015.060.
Повний текст джерелаАнотація:
AIM: The study aim is to evaluate the cost-effectiveness of thrombolytic treatment in acute MI comparing with anticoagulants therapy and between each other thrombolytic (SK, r-Pa).MATERIAL AND METHODS: We used a prospective registry of all patients admitted for acute myocardial infarction in intensive care units in Tirana. The average drugs cost was calculated for the hospitalization period in Albanian money (ALL). Survival and life quality were estimated by phone contact 1 year after acute MI.RESULTS: Anticoagulant group cost is 23865.3 ALL (170.5€), SK group cost is 54148.63 ALL (386.7€), r-Pa group has a cost of 92184.90 ALL (658.5€). In the group treated with SK the hospital survival is 100%, while in the control group 88.8%. Reteplase group has a lower period of stay in hospital than SK group 13.04 days vs. 17.97 days, mean age in group treated with r-Pa is 64.29 ± 10.03 approximate with anticoagulant group mean age 64.17 ± 11.08; differ significantly with SK group mean age 56.75 ± 10.04. Survival after 1 year was 96.4% for r-Pa and 96.9% SK.CONCLUSIONS: SK and r-Pa are successful thrombolytics with high effectiveness. It is gained a higher survival with the thrombolytic treatments. Reteplase is well tolerated in older patients than SK, is easier to apply than Streptokinase, but has higher cost.
8
Kamalah, Rizqi. "PERBEDAAN PEMBERIAN MADU DAN TIDAK DIBERI MADU TERHADAP VOLUME ASI MATUR IBU NIFAS HARI KE SEPULUH." Jurnal Kebidanan Sorong 1, no. 1 (September 6, 2021): 36–43. http://dx.doi.org/10.36741/jks.v1i1.139.
Повний текст джерелаАнотація:
ABSTRAK
Cakupan ASI eksklusif di Puskesmas Sumbersari pada tahun 2011 99%, dengan permasalah volume ASI 20 %. Tiga penyebab kurangnya volume ASI pada ibu menyusui meliputi nutrisi, masalah psikologi, dan hisapan bayi. Untuk terhindar dari masalah gangguan nutrisi, ibu menyusui memerlukan nutrisi lebih, agar jumlah air susu yang dihasilkan cukup. Kejadian ini dapat diantisipasi dengan memberikan madu, karena nutrisi madu dapat mencukupi kebutuhan nutrisi ibu menyusui. Desain penelitian yang digunakan adalah True-Eksperimen.Dimana populasi yang digunakan ibu nifas, dan sampel adalah ibu nifas hari ke-1 sampai hari ke-10 (total sampling). Penelitian ini menggunakan uji t independent. Hasil penelitian didapatkan hasil bahwa nilai nilai rata – rata volume ASI matur hari ke-10 pada ibu dengan pemberian madu 703.5 cc / 24 jam, sedangkan rata – rata volume ASI matur hari ke-10 pada ibu tanpa pemberian madu 658.5 cc / 24 jam. t hitung (3.073) ≥ t tabel (2.101) terdapat Perbedaan Pemberian Madu Dan Tidak Diberi Madu Terhadap Volume Asi MaturIbu Nifas Hari Ke Sepuluh. Disebabkan madu memiliki kandungan nutrisi (energi, karbohidrat, protein) yang memiliki fungsi sebagai tenaga untuk hipofise posterior menghasilkan hormon oksitosin dan prolaktin. Kedua hormon tersebut memiliki peran sebagai pelancar dan produksi air susu. Dan diharapkan ibu menyusui mengkonsumsi madu pada awal nifas hingga bayi tidak menyusu lagi.
Kata Kunci: Madu; Ibu Nifas; Volume ASI Matur
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LoBuono, Dara L., Kyla Shea, Sarah Sarah Dobiszewski, Alison Tovar, Skye N. Leedahl, Furong Xu, Mahler Leslie, and Ingrid E. Lofgren. "DIETARY INTAKE AND SELF-REPORTED NUTRITION CONCERNS OF PEOPLE WITH PARKINSON’S AND THEIR INFORMAL CAREGIVERS." Innovation in Aging 3, Supplement_1 (November 2019): S936. http://dx.doi.org/10.1093/geroni/igz038.3404.
Повний текст джерелаАнотація:
Abstract Dietary recommendations for managing Parkinson’s disease (PD) can be confusing for people with PD (PwPD) and their informal caregivers (ICGs) who often have the responsibility to buy and prepare foods. PwPD (63-78 years of age) and their ICGs (39-75 years of age) completed two 24-hour dietary recalls and semi-structured, dyadic interviews which were conducted to gather information about dyads’ (n=9) nutrition concerns. Calorie, macro- and micro-nutrient intake were averaged over two days and compared to the National Academy of Sciences’ dietary reference intakes. Independent t-tests and the Mann-Whitney U tests compared PwPD and ICG. Interviews were audio-recorded, transcribed verbatim, and analyzed for preliminary themes. Mean calorie intake was 1766.6±658.5 kcal/d; the majority of calories were from carbohydrates. Calorie and nutrient intake between PwPD and ICG did not differ. All participants were below recommendations for fiber (17.2±7.9g/d) and potassium (2213.3±890.0mg/d) and exceeded recommendations for sodium (2741.2±1396.9mg/d) and added-sugars (59.5 ±38.3g/d). More than half of participants (55.6%) agreed an eating plan to manage PD symptoms is important and that a nutrition consultation would be helpful. Emerging themes from qualitative interviews include: nutrition concerns related to PD symptoms, managing other conditions and PD, perceptions regarding diet quality, impact of diet on PD symptoms, and complementary medicine. In conclusion, there were no differences in dietary intake between PwPD and ICG, and participants presented with lack of adherence to recommended dietary reference intakes. Sub-optimal dietary intake and self-reported nutrition concerns strongly suggest including both nutrition professionals and ICGs when providing care for PwPD.
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Cho, Byoung-Ok, Denis Nchang Che, Hong-Hua Yin, and Seon-Il Jang. "Enhanced biological activities of gamma-irradiated persimmon leaf extract." Journal of Radiation Research 58, no. 5 (May 16, 2017): 647–53. http://dx.doi.org/10.1093/jrr/rrx013.
Повний текст джерелаАнотація:
Abstract The aim of this study was to compare the anti-oxidative and anti-inflammatory activities of gamma-irradiated persimmon leaf extract (GPLE) with those of non-irradiated persimmon leaf extract (PLE). Ethanolic extract of persimmon leaf was exposed to gamma irradiation at a dose of 10 kGy. After gamma irradiation, the color of the extract changed from dark brown to light brown. The anti-oxidative and anti-inflammatory activities of GPLE and PLE were assessed from: total polyphenol and total flavonoid contents; 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay; 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) assay, and levels of pro-inflammatory mediators such as nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor alpha (TNF-α) and interleukin-6 (IL-6). The total polyphenol contents of GPLE and PLE were determined to be 224.44 ± 1.54 and 197.33 ± 5.81 mg gallic acid equivalents (GAE)/g, respectively, and the total flavonoid contents of GPLE and PLE were 206.27 ± 1.15 and 167.60 ± 2.00 mg quercetin equivalents (QUE)/g, respectively. The anti-oxidant activities of GPLE and PLE as measured by DPPH assays were 338.33 ± 30.19 μg/ml (IC50) and 388.68 ± 8.45 μg/ml (IC50), respectively, and those measured by ABTS assays were 510.49 ± 15.12 μg/ml (IC50) and 731.30 ± 10.63 μg/ml (IC50), respectively. IC50 is the inhibitor concentration that reduces the response by 50%. GPLE strongly inhibited the production of NO, PGE2 and IL-6 compared with PLE in lipopolysaccharide-stimulated RAW264.7 macrophages. Furthermore, GPLE significantly inhibited the production of TNF-α and IL-6 cytokines compared with PLE in phorbol 12-myristate 13-acetate (PMA) plus A23187-stimulated HMC-1 human mast cells. These results indicate that gamma irradiation of PLE can enhance its anti-oxidative and anti-inflammatory activities through elevation of the phenolic contents. Therefore, gamma-irradiated PLE has potential for use in the food and cosmetic industries.
Дисертації з теми "658.5:338.33"
1
Barratt, Mark A. "Exploring Relationships and Information Exchange in Grocery Supply Chains: a Case Study of the Enablers and Inhibitors." Thesis, Cranfield University, 2002. http://hdl.handle.net/1826/4533.
Повний текст джерелаАнотація:
The last decade has seen a growing interest from academics and practitioners in the
development of collaborative supply chain relationships based on information
exchange. Most of the evidence gathered within this management research area has
been biased towards the role of the buyer/supplier dyadic exchange in the integration of
the supply chain. The role of the other parties and the systemic nature of supply chain
management have been relatively ignored.
Previous research in this area has also been biased due to the narrow focus of
investigation, with one problem being obtaining access to all parties involved in the
supply chain. The purpose of this study was to overcome the aforementioned research
biases and therefore, contribute to the understanding of the collaborative relationship
development process from a broader supply chain perspective.
Open access was gained to six organisations across three tiers of a coffee supply chain
in the UK grocery sector. Within this context, a theory building approach was applied to
the data collected in the case study. Through constant comparison and coding of data
from multiple strategic, tactical, operational, inter- and intra-organisational exchanges
within the same context, several findings were made. An interesting finding from the
research is the evolving role of the supply chain integrator, whereby the manufacturer
seeks to balance the needs of its retail customers with the sourcing and procurement of
raw and packaging materials from its suppliers.
In terms of the concepts of supply chain relationships and information exchange, there
are a number of common enablers and inhibitors. The inter-relationship between the two
concepts is however complex and requires further study. The other findings of the
research are expressed as a tentative theoretical framework and a series of new
emerging enablers and inhibitors to collaborative relationships and information
exchange in the supply chain. Finally the enablers and inhibitors grounded from the
case study provide a guide to the relational and often context specific factors that can
influence the development of collaborative supply chain relationships based on
information exchange.
2
Datta, Partha Priya. "A complex system, agent based model for studying and improving the resilience of production and distribution networks." Thesis, Cranfield University, 2007. http://hdl.handle.net/1826/1757.
Повний текст джерелаАнотація:
The very complexity and the extended reach of today’s globe-spanning supply chain
networks, the low inventory levels and lack of redundancies required to achieve efficient
operations expose businesses to a huge range of unexpected disruptions. This calls for
building resilience in supply chains, which is not just recovery from the mishaps, but is a
proactive, structured and integrated exploration of capabilities within the supply chain to
resist and win against unforeseen happenings. Literature on supply chain and
organisational resilience are informative in identifying resilience enhancing strategies and
capabilities, but a detailed dynamic analysis of behaviour of the supply chain to
understand the suitability of different resilience capabilities over time and under different
scenarios is not carried out. The thesis addresses this gap by studying the internal
decision making mechanisms, rules and control procedures through development of an
agent-based model and its application to a paper tissue manufacturing supply chain.
The model with a decentralised informational structure with informed and intelligent
combination of push or pull type of replenishment strategy, flexibility, agility,
redundancy and efficiency is found to enhance the resilience of the actual supply network
in the face of large deviation of demand from forecasts. The effects of adopting several
resilience improvement strategies in tandem or in isolation and the impact of applying
different behavioural rules by different agents are studied in this thesis by carrying out
numerical experimentation. The findings from the experiments suggest that, however
flexible the resources are, however well-informed the different members are, however
well-integrated the members are through coordination and communication, however wellequipped
a supply chain is with mitigation and recovery capabilities the individual
managerial judgements that can obtain a balance between various dimensions of
performance (both global and local efficiency, quality and speed of responding to
customer orders) and resilience (speedy reaction, maintaining buffers, flexibility in
resource management) play the most important role in improving the resilience of the
entire network.
An important contribution of this thesis is to produce a conceptual framework for supply
chain resilience. This framework is used to test the appropriateness of different resilience
enhancement procedures. Another significant contribution of this thesis is to provide a
theoretical template for further research in supply chain resilience. The template will
guide development of effective procedures for managing different situations of
uncertainty. By using complex systems modelling methods, such as multi-agent models
described in the thesis, outcomes of the system under a significant range of possible agent
behavioural rules and environmental events can be explored, and improved levels of
functioning and of resilience can be found. Building such models as a means to
understand and improve resilience of supply networks is a significant contribution.
3
Masoudnia, Yaser. "Bootlegging in high technology R&D departments : from initiation to disclosure." Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/7919.
Повний текст джерелаАнотація:
Bootlegging -the unauthorised projects initiated by an employee and directed toward
innovation for the benefit of their organization -is an important aspect of innovation,
because it is considered to be a great source of bottom-up innovation within
organisations. Since it is clandestine and hidden from management and researchers, it
has remained one of the least researched aspects of the innovation process.
There are a handful of studies on the topic of bootlegging in the management
literature – mainly based on one or a small number of case studies. The research
suggests that bootlegging activity can lead to innovative new products and is seen in a
positive light by a large majority of authors. However, the existing literature lacks
empirical evidence and consensus among different authors on the various aspects of
bootlegging such as reasons for bootlegging, underground operation, disclosure stage
of bootlegging and its outcomes.
Since bootlegging is a clandestine process, after careful consideration of a variety
options, it was concluded that in-depth interviews with bootleggers is the most
appropriate approach for studying the topic. Network sampling was applied to
identify bootleggers and gain their trust. The researcher has utilised his network and
attended several professional and engineering conferences to identify and approach
bootleggers rather than contacting them through their managers and organisations.
Subsequently, 55 in-depth semi-structured interviews were undertaken. The
appropriate research methodology helped to shed light on these under-researched
aspects of innovation. Cont/d.
4
Gomes, Jorge Filipe da Silva. "An exploration of the effects of functional integration on performance in new product development." Thesis, University of Manchester, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.556495.
Повний текст джерелаАнотація:
New product development (NPD) is a process that requires the capability to obtain, process and interpret large amounts of market, technical, financial and other information, in order to develop product ideas and evaluate their technical soundness, manufacturability and economic (market) feasibility. This requires organisations and individuals to be able to overcome internal differences and barriers built during the process of differentiation (Lawrence and Lorsch, 1967), and implement an NPD process based on collaboration of structurally separated, yet interdependent, functional units (especially marketing and R&D). Studies have shown that functional integration is a critical aspect of today's NPD's activities (e.g. Song, Montoya-Weiss and Schmidt, 1997), while the introduction of structured models of product development -e.g. stagegate systems- have contributed to increase linking and collaboration in the process (Cooper, 1990; Clark and Wheelwright, 1993). Recent research, however, suggests that high integration is not always desirable or achievable, and that its relationship with other variables might depend on factors such as the stage of the project and product innovativeness (Griffin and Hauser, 1996; Weerd-Nederhof, 1998). Furthermore, there is a need to understand how companies and managers involved in NPD activities can actively promote and encourage integration of functional units during a particular project. The objective of the present thesis is twofold. First it describes and explores the means through which functional integration can be achieved in an NPD context. Second, it explores the relationship between performance in NPD and functional integration under different conditions of project uncertainty and project stage. This work used a mixed-method design to guide the collection of qualitative and quantitative data. Qualitative data is based on 84 semi-structured interviews with people involved in NPD activities in 30 companies in the UK and the Netherlands. Other sources of qualitative data included internal company documentation, observation, computer databases, and companies' web sites. Quantitative data is based on 107 questionnaires completed by project managers working in 47 companies/BUs in the UK and the Netherlands.
5
Richmond, Robin Julian. "An investigation into product design and production techniques within a just-in-time manufacturing environment." Thesis, University of Plymouth, 1993. http://hdl.handle.net/10026.1/1108.
Повний текст джерелаАнотація:
This thesis describes the implementation of a Just-in-Time (JIT) cell on a greenfield site. It concentrates on a before and after implementation situation. Various production parameters are analysed to compare flowline performance before and after the implementation of JIT. The study is primarily concerned with the philosophies behind the Japanese management style of JIT and the practical use of JIT in a relatively small production line. Each area of JIT and its associated components are studied and, where practical, executed into practice within the production line. The study includes an investigation of the present manufacturing system and recommends improvements to aid manufacturing output. Total Quality Control, Set-up Reduction, Group Technology, Kanban, Failure Mode and Effects Analysis and Value Analysis are tools used to assist the formation of the JIT cell. Results taken after implementation revealed that stock levels reduced by 25%. Shop floor area was reduced by 205 square metres and lead time reduced by 33%. Large arrears in orders were virtually eliminated six weeks after implementation. Warranty claims were greatly reduced. Quality Management greatly enhanced the product and cross-training of operatives was achieved.
6
Bouachera, Taoufik. "Whole life costing optimisation with integrated logistics support considerations." Thesis, Robert Gordon University, 2012. http://hdl.handle.net/10059/741.
Повний текст джерелаАнотація:
It has long been recognised that, in the military sector, the Integrated Logistics Support ILS can significantly enhance system effectiveness and add value to their competitiveness. Hence, it is not surprising that many organisations outside to the military support the ILS adoption to increase their competence level. Even though the ILS underlying theory is general, there is a lack of suitable methodology that facilitates ILS implementation in other industries such as Oil & Gas industry. In particular when considering complex systems with long life-span, the optimisation of maintenance-related activities is important to fulfil system readiness, safety and whole life cost requirements. Modern petroleum equipment like gas turbines and drilling rigs are dependent on readily available maintenance supports in order to maximise their operational ability. Therefore, it has been identified that the study should be conducted to an effective use of ILS with the petroleum industry. In doing so, the usage of the ILS framework as a decision tool for maintenance optimisation is outlined. This framework embraces ILS concepts to support asset managers in developing their maintenance strategies. Level of repair analysis and spare parts management have been identified as potential areas for enhancing the use of ILS. In particular, maintenance optimisation is approached as a trade-off between investment in spare parts level and repair capacity. The developed framework delivers cost-effective support strategies obtained with iterative optimisation algorithm built on heuristics and genetic algorithm techniques. Finally, this algorithm has been implemented into computational algorithms. The framework can be employed to identify the optimum level of spare parts and the optimum amount of repair capacity for multi echelon repair network and multi-indenture systems. The framework has been used to carry out optimisations intended to maximise the availability of gas turbines by varying logistics support parameters. Typical results have shown that a joint optimisation of spare parts and level of repair analysis leads to better results than optimising them separately and emphasises the need for the developed framework. As part of this research, an expert panel validation method has been used to both refine the design of the developed framework and also evaluate its functionality from experienced practitioners within the Algerian petroleum industry. The results of this validation have demonstrated the advantages of integrating spare part management and level of repair analysis LORA to the problem of maintenance optimisation and shown that the framework is able to deliver optimal maintenance supportability decisions. The generic framework developed in this thesis can be seen a novel and comprehensive model for integrating two ILS elements into the operating tool in a manner that improves maintenance support provision, while remaining both flexible and usable; and therefore as a contribution to a better adoption of ILS technique within Algerian Petroleum Industry.
7
Simangunsong, Eliot Sation. "Supply chain uncertainty : linking sources of uncertainty and management practices." Thesis, Lancaster University, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.556682.
Повний текст джерелаАнотація:
Supply chain uncertainty is a key issue that affects firm competitiveness (1993; Yang et al., 2004); and, therefore, identifying the major sources of uncertainty within supply chains and developing strategies to manage them is an important challenge (Sabri & Beamon, 2000). There is an emerging literature on supply chain uncertainty but additional empirical research is required to further develop understanding of this phenomenon. This leads to an important research question to explore what sources of uncertainty can be identified in practice, what are the dimensions of these sources, and how can they be managed. To address this research question, this thesis has developed a theoretical model of supply chain uncertainty. Using this theoretical model to structure the investigation, an empirical study has been conducted in the food industry in Indonesia with twelve inter-related companies (4 suppliers, 4 iv manufacturers, and 4 retailers). Twenty three semi-structured interviews with thirty two senior representatives from the twelve companies have been conducted; interviews were audio and video recorded, and analysed using Atlas.ti. A comprehensive approach, which goes beyond previous studies, has been undertaken. Fourteen sources of uncertainty, including those internal to the firm (e.g., manufacturing process), internal to the supply chain (e.g., supplier) and external (e.g., environment) have been explored and twenty two management strategies for reducing or coping with the relevant dimensions have been identified Other research contributions are also identified such as the dynamic and multi dimensional process of managing sources of uncertainty. The findings of the thesis have implications for managers. For example, reducing uncertainty strategies such as collaboration are generally preferred over coping with uncertainty strategies but are difficult to implement when sources of uncertainty span beyond the boundaries of the firm. Future research should explore issues emerging from this study, such as ethical issues affecting supply chain uncertainty. Keywords: Supply chain uncertainty; uncertainty management; case study research.
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Holt, Diane Lesley. "The development and empirical testing of a pressure/ response model of green supply chain management amongst a cross-sectoral sample of members of the Chartered Institute of Purchasing and Supply." Thesis, Middlesex University, 2005. http://eprints.mdx.ac.uk/6882/.
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This study develops and empirically tests a model of factors determining green supply chain management practices in organisations. Previous research on aspects of green supply chain management is dominated by anecdotal, sector specific studies that examine specific aspects of the supply chain, such as purchasing or logistics. Many argue this field is embryonic and lacking a structured integrative framework of research. This study addresses this gap by focussing on a whole supply chain approach that provides a synthesis of previous research to develop a model of green supply chain management. The data from a cross-sectoral survey of 149 members the Chartered Institute of Purchasing and Supply is used to test this model, using a variety of multivariate techniques. The model identifies environmental attitude as the primary determinant of green supply chain management practices, influenced to a lesser extent by external legislative factors. The influence of organisational contingencies on this model is also explored, and size identified as the only contingency that influences the relationships in this model. The dominant influence of environmental attitude suggests that within organisations there are internal factors, or individuals, that may push forward the green agenda, and those initiatives that focus on changing the environmental attitude/ culture of an organisation might be the most effective at improving environmental performance. This study suggests that factors previously identified as important within green supply chain management, such as supply chain or competitive pressures, are less influential than expected. However, future research should seek to compare the findings from this study with a larger, cross-sectoral sample that includes diverse organisations from different nations, sectors and levels of channel power.
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Walton, Bryn. "Factors impacting the success of new product development in the UK grocery retail industry : the role of market knowledge and intra & inter firm cross-functional integration in product innovation performance." Thesis, University of Kent, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.633826.
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In mature markets, successful new product introductions are becoming increasingly important for sustaining profitability and business growth (Cravens et al 2002), but evermore difficult to achieve due to factors such as increased levels of competition, rapidly changing market environments, higher rates of technical obsolescence and shorter product lifecycles (Griffin 1997). There is no lack of academic literature with respect tb New Product Development (NPD) as a whole - why it is important, how it is used and the key success factors therein - yet failure rates and the cost of developing new products remain prohibitively high. Working within the context of the UK grocery retail industry this thesis explores how product innovation is affected by Market Knowledge Dimensions, and Cross-Functional Integration within firms and across the supply chain. The research is supplemented by an exploration of the link between Market Information Gathering Activities and the creation of Market Knowledge and the mediating/moderating impact that Knowledge Integration Mechanisms has on Product Innovation Performance. Structural Equation Modelling is used to test a conceptual model developed through a review of the academic literature and exploratory qualitative research. The results of this research highlight the link between market information gathering activities and market knowledge volume and show the importance of Market Knowledge Volume and Market Knowledge Tacitness (in appropriate contxtual environments) in generating successful new products. The research also makes a significant contribution to the current academic literature by suggesting that quantity of collaboration at both an inter- and intra-firm level is not an antecedent of success unless organisations have the R&D strength to turn collaboration at an inter-firm level into internal competencies and competitive advantage.
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Ibrahim, Almahdi Mohamed Saleh. "Soft enterprise resource planning implementation related issues: a case study approach." Thesis, University of Salford, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492400.
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Enterprise Resource Planning (ERP) systems have evolved from the Material Requirements Planning (MRP) systems and, accordingly, manufacturing companies represent the natural environment for their application. Nevertheless, ERP systems have also been introduced to different environments (e.g. service industries, refineries etc) with considerable success. However, comparatively little research has been conducted in the area of ERP implementation in such contexts of application.
Частини книг з теми "658.5:338.33"
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"Chapter Five. Whose Promises Are They?" In Scriptural Interpretation and Community Self-Definition in Luke-Acts and the Writings of Justin Martyr, 207–77. BRILL, 2011. http://dx.doi.org/10.1163/ej.9789004189201.i-338.33.
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"Bibliography." In Atonement and the Logic of Resurrection in the Epistle to the Hebrews, 305–14. BRILL, 2011. http://dx.doi.org/10.1163/ej.9789004206519.i-338.33.
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Dickens, Charles. "V, 658.5. Replaces Small Catalogue Extract To R. J. Watts, 23 November 1849." In The British Academy/The Pilgrim Edition of the Letters of Charles Dickens, Vol. 12: 1868–1870, edited by Graham Storey. Oxford University Press, 2002. http://dx.doi.org/10.1093/oseo/instance.00121162.
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