699 research outputs found

    Nothing will Change

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    IDENTIFYING THE NEEDS FOR INFORMATION OF THE ORGANIZATIONS FROM BUCHAREST, MUNTENIA AND OLTENIA REGIONS

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    This paper is the result of some marketing researches about organizations informations needs. For identifying the needs of marketing informations of the organizations in the south region of the country, a series of qualitative research where made, totalizing two focus groups and 5 in-depth interviews. From the research were detained aspects about: present informations sources, needs of informations, and utility of a new portal with marketing information named INFOMARK and the trust in it.Marketing research, information needs, organization from Bucharest, Muntenia and Oltenia

    Constructive Volumetric Modeling

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    Abstract—In this article we intend to present a method of obtaining high complexity sinthetic scenes by using simple volumes as the building blocks. The below described method can be used to obtain both homogenous and heterogenous volumes. This is done by combining volumes of different voxel densities. Index Terms—volumetric data, voxel, constructive solid geometry, volume modelling, constructive volume geometry. I

    BRANDING IN SMALL BUSINESS

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    In this paper we analyzed the branding in small business. Using a desk research on Internet and the press we have identified the practices small businesses use to enhance their brand and the brand dynamics in small business. Our main contribution is that we tried to figure out the strategy of branding in small business. This need further to be investigated in order to understand how branding works in small business and to better capture the role of branding in small business.branding, small business, brand strategy

    THE FINANCIAL IMPACT OF SAIS’ ACTIVITIES ON THE PUBLIC SECTOR’S RESOURCES. THE CASE OF ROMANIA

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    Supreme audit institutions are key actors in ensuring, through their specific external public audit activities, the accountability for public resources’ management. Their goals are defined by each state’s constitution and generally entail examining and reporting on the lawful, efficient, effective and economical use of public finances and assets. Since SAIs must continuously strive to demonstrate their added value to stakeholders, while also providing an institutional model beyond reproach, quantifying their impact on public finances is of the utmost importance both for SAIs and the entire society. The research aims to analyze the regulatory and reporting framework of the Romanian Court of Accounts from the audit results indicators standpoint, providing a correlational analysis with certain intrinsic and extrinsic variables. The research results are useful for both the professional and the socio-economic environment concerned with assuring the optimal management of public resources, providing insights into a result-based approach

    Systemic or local thrombolysis in high-risk pulmonary embolism

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    Background and Aim: High-risk pulmonary embolism (PE) represents an important health problem in emergency cardiology, being associated with a high rate of mortality. The aim of this study is to assess the efficacy and safety of pulmonary intra-arterial thrombolysis with streptokinase compared to systemic thrombolysis. Methods and Results: In our study, 28 patients with acute high risk PE were treated by intra-arterial thrombolysis with clinical success rate of 96.4%, while in the group with systemic thrombolysis (24 patients) the rate of clinical success was significantly lower (70.8%). Also, pressure gradient between right ventricle (RV) and right atrial (RA) (PRV-RA) decreased significantly in patients treated by pulmonary intra-arterial thrombolysis instead of systemic thrombolysis. Mortality during the hospitalization was 0% in the group with local thrombolysis and 29.2% in the other group, with a significant statistical difference. Major bleeding complications appeared in 14.3% of the patients with local thrombolysis and in 20.8% of the ones treated by systemic thrombolysis, without statistical significance. Moreover, the proportion of minor bleeding was comparable in the two groups of patients. There was no intracranial bleeding. Disseminated intravascular coagulation occurred in 1 patient with systemic thrombolysis. Conclusions: The rate of clinical success and the regression of RV overload were significantly higher in patients treated by pulmonary intra-arterial thrombolysis. The results regarding the efficiency of the pulmonary intra-arterial thrombolysis in high-risk PE are encouraging, the mortality in these patients being significantly lower than the one for systemic administration of the thrombolytic agent.

    Experimental Research of a Particular Free Power Turbine Application

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    The paper presents an experimental research and a particular operation mode of testing, for an industrial application. The application refers to one stage axial gas free power turbine, run by the gases provided from two gas generators of TV2-117A turboshaft engines. By running the free power turbine is analysed the starting and idle mode of TV2-117A modified engines and of free turbine. After the analysing, the major interest is how to be operated on higher modes than idle. To modify the TV2-117A turboshaft engine into an only gas generator, the free power assembly module was removed from the engine and the gas flow was delivered into one turbine. Also the conversion of TV2-117 turboshaft engine into a gas generator involves a modification into the engine fuel control. The gases from both the engines flow to an only one gas turbine and the turbine produces shaft power. The testing of the free power turbine is performed on the test bench by using a dynamometer and an operating system. For both, we use an acquisition system and a programmable controller using an operating sequence. The operating sequence is based on parameters and commands, used to control and monitor the engine. The free power turbine is designed to run a natural gas compressor for industrial application and at sea level conditions it develops a power of 2600 kW at a speed of 15000 rpm. The contribution of this paper is the study of behaviour of every engine and the free power turbine at start-up and for the idle mode

    Disentangling and quantifying contributions of distinct forcing factors to the observed global sea level pressure field

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    Variations of the global sea level pressure (SLP) field reflect atmospheric and oceanic influences and have a profound influence on temperature, precipitation and the global carbon cycle. The impact of various forcing factors on this field was investigated mainly based on numerical simulations. Alternatively, here we identify and quantify the influences of various forcing factors on observational, reanalysis and simulated SLP fields. By applying canonical correlation analysis (CCA) on the aforementioned data sets, we separated and quantified the impact of increase CO2 concentration, El Ni\~o--Southern Oscillation (ENSO), Atlantic Multidecadal Oscillation (AMO), Arctic Oscillation (AO) and solar forcing on the global SLP field, based on their associations with known footprints on the sea surface temperature (SST). Together, their corresponding SLP spatial structures explainĂžinspace~Ăžinspace60% of the observed variance. Whereas the atmospheric CO2 concentration has the most prominent impact on the global SLP field, explaining 28% of variance, ENSO and AO account for 9% each. The solar forcing and AMO explain 7%, respectively 6% of global SLP variance. Similar spatial structures corresponding to the same forcing factors are identified based on the reanalysis SLP data. CCA applied on simulated SLP fields derived from six CMIP5 model simulations captures only the spatial structures of atmospheric CO2 concentration, ENSO, AAO and AO. Such a decomposition of the global pressure field based on a linear combination of coupled SST-SLP pairs provide a reference against which one could validate the performance of general circulation models in simulating the lower atmosphere dynamics

    PROCESSING AND INTERPRETATION OF SATELLITE IMAGES LANDSAT 8

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    The Landsat program is the longest running enterprise for acquisition of satellite imagery of Earth. On July 23, 1972 the Earth Resources Technology Satellite was launched. This was eventually renamed to Landsat. The most recent, Landsat 8, was launched on February 11, 2013. The instruments on the Landsat satellites have acquired millions of images. The images, archived in the United States and at Landsat receiving stations around the world, are a unique resource for global change research and applications in agriculture, cartography, geology, forestry, regional planning, surveillance and education
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