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Search Results: 1 - 10 of 4209 matches for " Ronald Ntare "
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Low Voltage Ride through Control Capability of a Large Grid Connected PV System Combining DC Chopper and Current Limiting Techniques  [PDF]
Ronald Ntare, Nabil H. Abbasy, Karim H. M. Youssef
Journal of Power and Energy Engineering (JPEE) , 2019, DOI: 10.4236/jpee.2019.71004
Abstract: This paper presents the development and performance capability of a comprehensive Low voltage ride through (LVRT) control scheme that makes use of both the DC chopper and the current limiting based on the required reactive power during fault time. The study is conducted on an 8.5 MW single stage PV power plant (PVPP) connected to the Rwandan grid. In the event of fault disturbance, this control scheme helps to overcome the problems of excessive DC-link voltage by fast activation of the DC chopper operation. At the same instance, AC current is limited to the maximum rating of the inverter as a function of the injected reactive current. This helps overcome AC-over- current that may possibly lead to damage or disconnection of the inverter. The control scheme also ensures voltage support and power balance through the injection of reactive current as per grid code requirements. Selected simulations using MATLAB are carried out in the events of different kinds of fault caused voltage dips. Results demonstrate the effectiveness of the proposed LVRT control scheme.
Comparative analysis of seed systems in Niger and Senegal
J Ndjeunga,K Anand Kumar,BR Ntare
Journal of SAT Agricultural Research , 2006,
Intervention with Muslim Filipino Families:The Implications of Spirituality for Psychology  [PDF]
Ronald Hall
Psychology (PSYCH) , 2010, DOI: 10.4236/psych.2010.11007
Abstract: Political repercussions following destructive events of September 11, 2001 have the potential to dampen enthusiasm for the incorporation of spirituality by psychologists who see Muslim Filipino families. Among various Muslim Filipino populations, spirituality is fundamental. Psychologists who are conscientious would be remiss to exclude such a critical aspect of life when it is essential. The implications of spirituality for psychology intervention with Muslim Filipino families include the need to acknowledge and, when appropriate, apply values, belief systems, and other culture specific criteria. To do otherwise will bias intervention with Muslim Filipino families, rendering psychology less potent in its ability to accommodate such families.
A Psychogenesis of Color-Based Racism: The Implications of Colonialism for People of Color  [PDF]
Ronald Hal
Psychology (PSYCH) , 2011, DOI: 10.4236/psych.2011.23034
Abstract: Influenced by European colonization people of color have internalized a disdain for dark skin i.e.: color-based racism. In addition to the historical literature and litigation color-based racism is here substantiated empirically. The contingency coefficient reflected a moderate correlation between the variables, therefore the null hypothesis was rejected and the research hypothesis was accepted. To educate Psychologists about the significance of color-based racism among people of color will require an acknowledgement of its existence. In the aftermath, people of color and the practitioners who serve them will move Psychology to the next level of service technol-ogy.
Civil Rights Tourism in Mississippi: Openings, Closures, Redemption and Remuneration  [PDF]
Ronald Loewe
Sociology Mind (SM) , 2014, DOI: 10.4236/sm.2014.41011

Unlike Georgia and Alabama which have had large civil rights museums for many years, Mississippi is just beginning to acknowledge and memorialize this part of its history. Since 2005, visitors to Neshoba County, infamous for the murder of civil rights workers Goodman, Schwerner and Chaney, have been able to obtain copies of the African-American Heritage Driving Tour which directs tourists to nine points of interest associated with the 1964 killings. In examining this development, my aim is to highlight the diverse political, economic and psychological motives underlying civil rights tourism and the formation of the Philadelphia Coalition which came together to commemorate the 40th anniversary of the murders. In specific, this paper argues that civil rights tourism rests on four convergent trends: 1) the interest of the business community in re-imaging Mississippi, 2) the formation of a fragile alliance between white conservatives and moderate African-American leaders, 3) the search for redemption among white Christians, and 4) a growing concern over who will write Mississippi’s recent history.

The Chinese ba as a Verb: A Constructional-Cognitive Approach  [PDF]
Ronald Fong
Open Journal of Modern Linguistics (OJML) , 2015, DOI: 10.4236/ojml.2015.51005
Abstract: Although there have been various studies on the Chinese ba-construction, this article presents some unconventional views. Most studies do not treat ba as a verb. This article argues that ba is a verb, although it has some non-typical verbal properties. Firstly, the argument establishes that it is a verb based upon the “gradient” analysis, which has not been applied to ba before. Secondly, having been treated as a verb, ba shows special properties of its own such as marking subordination. Apart from this non-traditional view, ba is shown to be highly transitive, which is also a verbal feature. Different from previous analyses, this article argues that ba is a radial category showing various associated meanings. Finally, ba is shown to produce blending with other verb complements, such as the resultative construction, through its ability to create mental spaces.
Experiences Analyzing Faults in a Hybrid Distributed System with Access Only to Sanitized Data  [PDF]
Ronald J. Leach
Journal of Software Engineering and Applications (JSEA) , 2010, DOI: 10.4236/jsea.2010.35050
Abstract: In this paper we report on a work in progress assessing the faults observed and reported in a distributed, safety-critical, largely embedded system with both electrical and mechanical components. We illustrate why standard software testing techniques are not sufficient and indicate some of the technical and non-technical problems encountered in examining the faults and the initial results obtained. While the application domain is elevator operation, the techniques described here are general enough to apply to many other domains. Much of the data analyzed here would be considered imprecise in the software industry if it were used in software testing or to help increase fault tolerance. The paper includes a discussion of the use of multiple views of data, assessment of missing data, and analysis of informal information to produce its conclusions about fault avoidance and fault tolerance.
Reducing hospital inpatient complications: A four year experience  [PDF]
Ronald Lagoe, Joseph Bick
Advances in Bioscience and Biotechnology (ABB) , 2013, DOI: 10.4236/abb.2013.41A017

This study described the use of administrative data and a computer software algorithm, Potentially Preventable Complications, to support reduction of inpatient hospital complications. The study was carried out between 2008 and2012 inSt. Joseph’s Hospital Health Center in Syracuse, New York. The hospital generates approximately 23,000 inpatient discharges annually. The study employed summary tables for individual inpatient complications and patient specific spreadsheets to evaluate and follow adverse outcomes. The spreadsheets were employed by hospital staff to determine whether patient medical records confirm each complication identified by the software. This process resulted in improvement of the accuracy of administrative data describing inpatient complications. The administrative data and the software were also used in conjunction with medical records to Identify patients who received program interventions and still experienced inpatient complications. This process enabled hospital staff to ensure that interventions were being provided and evaluate their effecttiveness. The study demonstrated that, at the aggregate level, the inpatient complication rate per 1000 discharges declined by 33.4 percent, from 56.11 to 37.37 between 2008 and 2011. The principal drivers of this decline were high volume complications such as pneumonia, where the rate declined by 45.7 percent and urinary tract infection where the rate declined by 23.7 percent. The project provided a means of communicating and managing outcomes data that could be implemented and understood by a wide range of health care providers.

Lipid Encapsulated Phenolic Compounds by Fluidization  [PDF]
Ronald A. Holser
Journal of Encapsulation and Adsorption Sciences (JEAS) , 2013, DOI: 10.4236/jeas.2013.31002

Phenolic compounds exhibit antioxidant and antimicrobial activities with applications as functional food and feed additives. Ferulic acid, a phenolic compound present in grain crops and lignocellulose biomass, was encapsulated with saturated triglycerides using a laboratory fluidizer. Stability of the encapsulated ferulic acid particles was evaluated over a 3 month storage period. Laser light scattering and fluorescence spectroscopy were used to characterize particles. Loss of ferulic acid from particles was measured by emission spectra. Results showed no significant changes in particle diameter, 717.6 nm ± 28.4 nm, or loss of ferulic acid from lipid particles during storage. This combination of renewable materials, physical processing techniques, and nondestructive analytical methods promotes sustainable agriculture.

Identification of At-Risk Inpatient Hospital Populations at the Community Level  [PDF]
Ronald Lagoe, Ruthie Lagoe
Open Journal of Nursing (OJN) , 2014, DOI: 10.4236/ojn.2014.49065

This study focused on hospital populations which account for large amounts of health care utilization at the community level in the metropolitan area of Syracuse, New York. It demonstrated that, between the two largest hospital inpatient services, adult medicine patients accounted for a larger number of excess hospital patient days than adult surgery over a two-year period. Adult medicine stays increased while adult surgery stays declined. Adult medicine also accounted for a larger number of excess inpatient days, an average daily census of 52.7 patients in 2013, although adult medicine outliers comprised only 2.4 - 2.5 percent of discharges while adult surgery patients comprised 4.4 - 4.5 percent of discharges for these services. Adult medicine readmissions accounted for 79 - 81 percent of these adverse events for the combined hospital during the two-year period. Adult medicine complications accounted for 60 - 62 percent of complications in the two hospitals for which data were available. These data clearly demonstrate the challenges that adult medicine patients carry for providers as they attempt to improve the efficiency and outcomes of care in local communities. In the United States, payer reimbursement for the care of these patients frequently does not match the resources required as funding emphasizes surgical specialties and healthier patients. In metropolitan areas such as Syracuse, where local populations are aging or declining, the expenses of caring for these patients can become a major challenge for community providers.

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