Problems in potential pertaining to a parabola

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An Investigation into the Resistance Factors Associated with the Use of Computers in Office Automation

This thesis will investigate the resistance factors associated with the use of computers in automation. Primary and secondary research has shown that high level employees and low level employees resist the use of computers in their work milieu. By studying the use of Electronic Mail, it has been shown that those employees who rank themselves as upper management resist using the computer resources available to them and those employees who rank themselves as lower management also demonstrate resistance. Those employees who rank themselves as middle management do not demonstrate such resistances. This investigation, and the research that has preceded it, has indicated that the reasons for such resistance are different for each group. In the case of the upper management group the resistances were attributable to factors such as: 1) the relative age/maturity of the individuals is such that the group does not have the experience with computer applications that younger employees have, 2) analytical and communications applications of computer systems are typically performed by lower level managers who assemble data and information for senior management to review as part of the business decision process, 3) some upper level managers do not believe that it is in their range of responsibilities to type their own memos, and 4) some upper level managers do not know how to type. In the case of the lower level employees (secretaries and clerks) the resistance factors were attributable to factors such as: 1) fear of the new technology in that the end user might demonstrate inability to comprehend and use the system, 2) job security is reduced, 3) the daily routine becomes disruptive, and 4) current social relationships must change. Although there are several other reasons for resistance, the common denominator is the factors associated with resistance to change. In that regard, while the research has shown that the successful implementation of such systems requires top down management support and that adapting to new technologies may lead to advancement opportunities in the secretarial ranks, both groups resist the technology. Primary research was conducted by a survey in which employees of the Monsanto Chemical Company participated. The data which was produced indicated no significant correlation between the resistance factors of high and low level employees to Electronic Mail . Thus, the hypothesis has been rejected

Some Similarities and Differences in Selected Tennessee Elementary Principals\u27 Perceived Allocation and Ideal Allocation of Time for Curriculum Related Activities

The problem of this study was to determine some similarities and differences in selected Tennessee elementary principals\u27 perceived allocation and ideal allocation of time for curriculum related activities. A questionnaire, consisting of the most prevalent curriculum activities, was developed and mailed to a randomly selected sample of 300 elementary principals. The t-Test was utilized to determine differences between perceived allocation of time and ideal allocation of time. Differences were determined for the four stages of curriculum related activities of studying, planning, implementing, and evaluating. Significant differences were found in perceived allocation of time and ideal allocation of time by principals for curriculum related activities. The respondents indicated a significant difference in perceived allocation of time and ideal allocation of time for each of the four curriculum phases of studying, planning, implementing, and evaluating. Significant differences were also recorded for perceived allocation of time between female and male principals, between female and male principals in the studying phase, between female and male principals in the implementing phase, and for ideal allocation of time between female and male principals in the implementing phase. In each case female principals indicated they spent more time and should spend more time than male principals on perceived allocation of time and ideal allocation of time in each phase of curriculum related activities. Certain conclusions were based on the findings in this study. It was concluded that principals feel more time should be spent for curriculum related activities. Principals believe more time should be spent in the studying, planning, implementing, and evaluating phases of curriculum related activities. Female and male principals disagreed on the amount of time spent and the amount of time that should be spent on curriculum related activities. The gender of the principal influences the amount of time spent in the studying and implementing phases of curriculum related activities. Several factors that did not have any influence on the amount of time spent or should be spent on curriculum related activities were the type of school system and the size of the school in which the principal was employed and the number of years since the principal had taken a graduate curriculum course

Seasonal Composition of Mesozooplankton in the Pagan River, a Nutrient Enriched Virginia Estuary

A two year study of the mesozooplankton composition and seasonal distribution was conducted in the Pagan River, a nutrient rich tidal estuary and tributary to the lower James River. The mesozooplankton was dominated by calanoid copepods (80%), with the total zooplankton abundance peaks occurring during spring and fall. The total mean abundance, 3008/m\u27, was somewhat lower than those found by other authors, however the mean abundance at one station approximated those means. Seventy-eight percent of the calanoid copepods were Acartia spp. that were primarily responsible for the fall increase in mesozooplankton abundance. The spring increase was primarily due to increases in Eurytemora affinis which overall was 17% of total abundance. The remaining total abundance (20%), other than calanoid copepods, included 8% Uca zoea, 6% barnacle nauplii and 1% Harpacticus gracilis. Fish larvae and decapod crab zoea were abundant in summer months. The Pagan River is a shallow tidal estuary, with waters ranging from mesohaline to fresh water, and is subject to periods of low oxygen concentrations, high turbidity and also has relatively high concentrations of nitrogen and phosphorus compounds. The effects that may be associated with the higher concentrations of nitrates and phosphates at the upstream stations are obscured by species preference for particular seasonal and/or salinity conditions

Shocking Signals of Dark Matter Annihilation

We examine whether charged particles injected by self-annihilating Dark Matter into regions undergoing Diffuse Shock Acceleration (DSA) can be accelerated to high energies. We consider three astrophysical sites where shock acceleration is supposed to occur, namely the Galactic Centre, galaxy clusters and Active Galactic Nuclei (AGN). For the Milky Way, we find that the acceleration of cosmic rays injected by dark matter could lead to a bump in the cosmic ray spectrum provided that the product of the efficiency of the acceleration mechanism and the concentration of DM particles is high enough. Among the various acceleration sources that we consider (namely supernova remnants (SNRs), Fermi bubbles and AGN jets), we find that the Fermi bubbles are a potentially more efficient accelerator than SNRs. However both could in principle accelerate electrons and protons injected by dark matter to very high energies. At the extragalactic level, the acceleration of dark matter annihilation products could be responsible for enhanced radio emission from colliding clusters and prediction of an increase of the anti-deuteron flux generated near AGNs.Comment: 9 pages, 4 figure