955 resultados para dynamic capabilities of the territory


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Mode of access: Internet.

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1855-1861 (microfilm).

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1844-1858 (microfilm); 1841-1858 (microfiche).

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1861-1864 (microfilm); 1861-1864 (microfiche).

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The purpose of this study was to compare average muscle fiber conduction velocity (CV) and its changes over time in the upper trapezius muscle during a repetitive upper limb task in people with chronic neck pain and in healthy controls. Surface EMG signals were detected bilaterally from the upper trapezius muscle of 19 patients and nine healthy controls using linear adhesive arrays of four electrodes. Subjects were asked to tap their hands in a cyclic manner between targets positioned mid-thigh and 120 degrees of shoulder flexion, to the beat of a metronome set at 88 beats/min for up to 5 min. Muscle fiber CV and instantaneous mean power spectral frequency were estimated for each cycle at the time instant corresponding to 90 degrees of shoulder flexion. Average muscle fiber CV of the upper trapezius muscle was higher in people with chronic neck pain (mean +/- SE, 4.8 +/- 0.1 m/s) than in control subjects (4.4 +/- 0.1 m/s; P

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Activation of the hypoxia-inducible factor (HIF) pathway is a critical step in the transcriptional response to hypoxia. Although many of the key proteins involved have been characterised, the dynamics of their interactions in generating this response remain unclear. In the present study, we have generated a comprehensive mathematical model of the HIF-1a pathway based on core validated components and dynamic experimental data, and confirm the previously described connections within the predicted network topology. Our model confirms previous work demonstrating that the steps leading to optimal HIF-1a transcriptional activity require sequential inhibition of both prolyl- and asparaginyl-hydroxylases. We predict from our model (and confirm experimentally) that there is residual activity of the asparaginyl-hydroxylase FIH (factor inhibiting HIF) at low oxygen tension. Furthermore, silencing FIH under conditions where prolyl-hydroxylases are inhibited results in increased HIF-1a transcriptional activity, but paradoxically decreases HIF-1a stability. Using a core module of the HIF network and mathematical proof supported by experimental data, we propose that asparaginyl hydroxylation confers a degree of resistance upon HIF-1a to proteosomal degradation. Thus, through in vitro experimental data and in silico predictions, we provide a comprehensive model of the dynamic regulation of HIF-1a transcriptional activity by hydroxylases and use its predictive and adaptive properties to explain counter-intuitive biological observations.

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Introduction For a significant period of time (the late 1950s--1980s), a lack of capital freedom was a major obstacle to the progress of the internal market project. The free movements of goods, persons and services were achieved, and developed, primarily through the case law of the Court of Justice of the European Union (CJEU). On the other hand, the Court played a (self-imposed) limited role in the development of the free movement of capital. It was through a progressive series of legislation that the freedom was finally achieved. John Usher has noted that the consequence of this is that ‘free movement of capital thus became the only Treaty “freedom” to be achieved in the manner envisaged in the Treaty’. For this reason, the relationship of the Court and legislature in this area is of particular importance in the broader context of the internal market. The rest of this chapter is split into four sections and will attempt to describe (and account for) the differing relationships between the legislature and the judiciary during the different stages of capital liberalisation. Section 2 will deal with the situation under the original Treaty of Rome. Section 3 will examine a single legislative intervention: Directive 88/361. It was this intervention that contained the obligation for Member States to fully liberalise capital movements. It is therefore the most important contribution to the completion of the internal market in the capital sphere. An examination will be made of whether the interpretation of the Directive demonstrates a changed (or changing attitude) of the Court towards the EU legislature. Section 4 will examine the changes brought about by the Treaty on European Union in 1993. It was at Maastricht that the Member States finally introduced into the Treaty framework an absolute obligation to liberalise capital movements. Finally, Section 5 will consider the Treaty of Lisbon and the possibility of future interventions by the legislature. By looking at the patterns that run through the different parts, this chapter will attempt to engage with the question of whether the approaches were products of their historical context, or whether they can be applied to other areas within the capital movement sphere.

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A satellite-only Mean Dynamic Topography (MDT) of the North Indian Ocean is estimated from the DIRR5 geoid and CNES_CLS11 mean sea surface (Schaffer et al. 2012). DIRR5 geoid is estimated from the latest release (Release 5) of GOCE gravity data according to previous studies (e.g., Johannessen et al. 2003; Raj, 2014). Note that this MDT estimated is referenced to a time period of 7 years (1993-1999). A correction data obtained from AVISO is later used to convert the MDT to a time reference of 20 years (1993-2012). More details are given in Raj (2016).

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This master’s thesis aims to examine the relationship between dynamic capabilities and operational-level innovations. In addition, measures for the concept of dynamic capabilities are developed. The study was executed in the magazine publishing industry which is considered favourable for examining dynamic capabilities, since the sector is characterized by rapid change. As a basis for the study and the measure development, a literary review was conducted. Data for the empirical section was gathered by a survey targeted to chief-editors of Finnish consumer magazines. The relationship between dynamic capabilities and innovation was examined by multiple linear regression. The results indicate that dynamic capabilities have effect on the emergence of radical innovations. Environmental dynamism’s effect on radical innovations was not detected. Also, dynamic capabilities’ effect on innovation was not greater in turbulent operating environment.

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Phe Ihesis examines the evolution of the -policies of the People fs Jtenublie of China towards J?hail°nd, PTal ysia, Singapore, Iidonesia pad the Philip-pines, organised in the Association of Southeast Asian Nations from 1969 to 1975• 2ze first central point of this study is an *ir sumption that the foreign relations of The People's Tepublic of Chi la Towards Southeast ^sia have been motivated by a dynamic interplay of t^o main factors: (1) Farxist-Leninist ideology and ICao J^e-tung Ph^ught, which dictate to China to behave as a revolutionary Dover vhich must assist the insurgent movements in the area in their strug fle to overthrow the local governments; (2) national interest, vhich demands of China to safeguard the southern flank of her territory bordering on Southerst 'sia through Friendly relations, trade and ot*»er conventional inrtniments of diplomacy. hile the tvo main motive factors are nuTually antagonistic and exclusivet the Chinere leaders are nevertheless at te mi ting to oring them iirco a coherent policy under Mao's theory of tve {hniity of op-nosites," vhich believes that it is -possible to reconcile these co-posing tendencies into a dynamic enuibrium through vhich both opnosites could be promoted at the same time although not to the same extent* la other words, the Chinese leaders conceive the dynamic equilibrium as a continuum between them in a mix in which one or the other orientation predominates in different •periods* Bins we might see China1 s conduct motivated in one period by mostly ideological considerations at the expense of the staire-to-state relations, then ve might see her policy in the middle of the continuum and suf ering from immo bill sine and just muddling through, or finally ?fe might see her emphasising friendly ties at the expense of support of revolutionary movements at the other extreme -point of the spectrum* !fhe mechanism vhich enables Peking to move from one pole to the other of the spectrum is activated by the following elementsJ (1) the result of an internal power struggle within the leadership in Peking between ideologically radical and moderate elements, which enables the victorious faction to initiate nev policies; (2) Peking's assessment of the changing intentions and capabilities of the major powers in the area; (3) internal changes within the countries of the area and the changing attitudes of their governments towards China; (4) changing fortunes of revolutionary movements operating in the area* 'Phe second major point of this study is an assertion that while China's conduct toward Southeast *lsia after her foundation in 1949 was primarily based upon ideological considerations, the beginning of the seventies saw the national interest reasserting itself as the leading motive factor* Thus China talks with her neighbours in Southeast asia in terms of relevance of fllong historical ties," casting herself into the role of a benevolent "older brother11 who is entitled to reopect and deference in exchange for patronage and protection* Hence the traditional echoes of the past are emerging ever stronger and influencing her postures towards the region, while the open support to revolutionary moevments is underplayed at the moment.

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How do organizations previously dominated by the state develop dynamic capabilities that would support their growth in a competitive market economy? We develop a theoretical framework of organizational transformation that explains the processes by which organizations learn and develop dynamic capabilities in transition economies. Specifically, the framework theorizes about the importance of, and inter-relationships between, leadership, organizational learning, dynamic capabilities, and performance over three stages of transformation. Propositions derived from this framework explain the pre-conditions enabling organizational learning, the linkages between types of learning and functions of dynamic capabilities, and the feedback from dynamic capabilities to organizational learning that allows firms in transition economies to regain their footing and build long-term competitive advantage. We focus on transition contexts, where these processes have been magnified and thus offer new insights into strategizing in radically altered environments.

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In this report, we attempt to define the capabilities of the infrared satellite remote sensor, Multifunctional Transport Satellite-2 (MTSAT-2) (i.e. a geosynchronous instrument), in characterizing volcanic eruptive behavior in the highly active region of Indonesia. Sulfur dioxide data from NASA's Ozone Monitoring Instrument (OMI) (i.e. a polar orbiting instrument) are presented here for validation of the processes interpreted using the thermal infrared datasets. Data provided from two case studies are analyzed specifically for eruptive products producing large thermal anomalies (i.e. lava flows, lava domes, etc.), volcanic ash and SO2 clouds; three distinctly characteristic and abundant volcanic emissions. Two primary methods used for detection of heat signatures are used and compared in this report including, single-channel thermal radiance (4-µm) and the normalized thermal index (NTI) algorithm. For automated purposes, fixed thresholds must be determined for these methods. A base minimum detection limit (MDL) for single-channel thermal radiance of 2.30E+05 Wm- 2sr-1m-1 and -0.925 for NTI generate false alarm rates of 35.78% and 34.16%, respectively. A spatial comparison method, developed here specifically for use in Indonesia and used as a second parameter for detection, is implemented to address the high false alarm rate. For the single-channel thermal radiance method, the utilization of the spatial comparison method eliminated 100% of the false alarms while maintaining every true anomaly. The NTI algorithm showed similar results with only 2 false alarms remaining. No definitive difference is observed between the two thermal detection methods for automated use; however, the single-channel thermal radiance method coupled with the SO2 mass abundance data can be used to interpret volcanic processes including the identification of lava dome activity at Sinabung as well as the mechanism for the dome emplacement (i.e. endogenous or exogenous). Only one technique, the brightness temperature difference (BTD) method, is used for the detection of ash. Trends of ash area, water/ice area, and their respective concentrations yield interpretations of increased ice formation, aggregation, and sedimentation processes that only a high-temporal resolution instrument like the MTSAT-2 can analyze. A conceptual model of a secondary zone of aggregation occurring in the migrating Kelut ash cloud, which decreases the distal fine-ash component and hazards to flight paths, is presented in this report. Unfortunately, SO2 data was unable to definitively reinforce the concept of a secondary zone of aggregation due to the lack of a sufficient temporal resolution. However, a detailed study of the Kelut SO2 cloud is used to determine that there was no climatic impacts generated from this eruption due to the atmospheric residence times and e-folding rate of ~14 days for the SO2. This report applies the complementary assets offered by utilizing a high-temporal and a high-spatial resolution satellite, and it demonstrates that these two instruments can provide unparalleled observations of dynamic volcanic processes.

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Temporal changes in odor concentration are vitally important to many animals orienting and navigating in their environment. How are such temporal changes detected? Within the scope of the present work an accurate stimulation and analysis system was developed to examine the dynamics of physiological properties of Drosophila melanogaster olfactory receptor organs. Subsequently a new method for delivering odor stimuli was tested and used to present the first dynamic characterization of olfactory receptors at the level of single neurons. Initially, recordings of the whole antenna were conducted while stimulating with different odors. The odor delivery system allowed the dynamic characterization of the whole fly antenna, including its sensilla and receptor neurons. Based on the obtained electroantennogram data a new odor delivery method called digital sequence method was developed. In addition the degree of accuracy was enhanced, initially using electroantennograms, and later recordings of odorant receptor cells at the single sensilla level. This work shows for the first time that different odors evoked different responses within one neuron depending on the chemical structure of the odor. The present work offers new insights into the dynamic properties of olfactory transduction in Drosophila melanogaster and describes time dependent parameters underlying these properties.

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Este trabalho analisa o desenvolvimento de dynamic capabilities em um contexto de turbulência institucional, diferente das condições em que esta perspectiva teórica costuma ser estudada. É feito um estudo de caso histórico e processual que analisa o surgimento das Dynamic Capabilities nos bancos brasileiros, a partir do desenvolvimento da tecnologia bancária que se deu entre os anos 1960 e 1990. Baseando-se nas proposições da Estratégia que analisam as vantagens competitivas das empresas através de seus recursos, conhecimentos e Dynamic Capabilities, é construído um framework com o qual são analisados diversos depoimentos dados ao livro “Tecnologia bancária no Brasil: uma história de conquistas, uma visão de futuro” (FONSECA; MEIRELLES; DINIZ, 2010) e em entrevistas feitas para este trabalho. Os depoimentos mostram que os bancos fizeram fortes investimentos em tecnologia a partir da reforma financeira de 1964, época em que se iniciou uma sequência de períodos com características próprias do ponto de vista institucional. Conforme as condições mudavam a cada período, os bancos também mudavam seu processo de informatização. No início, os projetos eram executados ad hoc, sob o comando direto dos líderes dos bancos. Com o tempo, à medida que a tecnologia evoluía, a infraestrutura tecnológica crescia e surgiam turbulências institucionais, os bancos progressivamente desenvolveram parcerias entre si e com fornecedores locais, descentralizaram a área de tecnologia, tornaram-se mais flexíveis, fortaleceram a governança corporativa e adotaram uma série de rotinas para cuidar da informática, o que levou ao desenvolvimento gradual das microfundações das Dynamic Capabilties nesses períodos. Em meados dos anos 1990 ocorreram a estabilização institucional e a abertura da economia à concorrência estrangeira, e assim o país colocou-se nas condições que a perspectiva teórica adotada considera ideais para que as Dynamic Capabilities sejam fontes de vantagem competitiva. Os bancos brasileiros mostraram-se preparados para enfrentar essa nova fase, o que é uma evidência de que eles haviam desenvolvido Dynamic Capabilities nas décadas precedentes, sendo que parte desse desenvolvimento podia ser atribuído às turbulências institucionais que eles haviam enfrentado.