80 research outputs found
What a Woven Web: Archives, Websites, and the Coming Legacy of Light Gray Literature
Website content is notoriously ephemeral. Its electronic existence is in communication with its components at one moment, gone at the next. A solution to preserving that content is to permanently archive the entire website. This raises concerns about technological accessibility and longevity. A website can also manifest itself as a dispersed collection of printed pages and downloaded electronic files redistributed amongst the paper and electronic records of individuals and organizations. What distinguishes that which is the record of an individual or an organization from the flotsam of reprinted and hyperlinked ephemera? Are archivists preparing appraisal methods for websites and their effluent
Wissenschaftlicher Ansatz zum Entdecken von der Begabung zum Rugby bei 10- und 11jährigen Jungen
It has become apparent, since the dismantling of apartheid, that there is an urgent need especially among hitherto deprived groups of people, to develop talent in sport. The process of development and training of the young should be scientifically grounded. Departments of Physical Education can and should play an active role to ensure that such scientific individual development of Sporting talent takes place and is monitored regularly. A group of 173, ten and eleven year-old boys from a cross-section of the population was subjected to a battery of tests. The group consisted of youngsters who had never played rugby on the one hand (n = 110) and boys who played rugby (n = 63). The AAPHERD “Football Skills Test” was used together with relevant standardized motor-ability tests. The results of the tests were a) descriptively analyzed (x, sd) and b) analyzed by means of analysis of variance (ANOVA) to determine significance differences (P<0,05). Group differences were determined by means of the Newman-Keuls-posthoc test. Results were compared to existing norm scales to substantiate strengths and weaknesses. It emerged that the deprived population groups have certain weaknesses to be addressed during talent development clinics. It also emerged, however, that these groups have the some potential as their more developed counterparts, given the same opportunities. Development programmes should be devised by experts to develop rugby talent and to monitor results. It is essential that research and organized rugby should co-operate to ensure professional development.Nach dem Auseinandernehmen von der Apartheid ist es klar geworden, dabei den bisher benachteiligten Menschen die Notwendigkeit besteht, das Talent für Sport zu entwickeln. Der Prozeß der Entwicklung und des Trainings bei Jugendlichen soll wissenschaftlich gegründet werden. Die Abteilungen für Sport können und sollen eine aktive Rolle übernehmen, um zu sichern, daß eine solche wissenschaftlich basierte Entwicklung der sportlichen Begabung geschieht, und daß sie kontrolliert wird. Die Gruppe von 173 10- und 11jdhrigen Jungen wurde der Testbatterie unterzogen. Diese Gruppe umfaßte einerseits diejenigen Jugendlichen, die kein Rugby gespielt haben (n=110), und andererseits diejenigen, die diesen Sport schon betrieben haben (n=63). Es wurde der AAPHERD "Football Skills Test" verwendet, zusammen mit relevanten standardisierten Tests der motorischen Fähigkeiten. Die Resultate wurden: a) deskriptorisch analysiert (x, sd) und b) analysiert mittels der Varianzanalyse (ANOVA), um die Signifikanzunterschiede (P< 0,05) festzustellen. Die Unterschiede zwischen den Gruppen wurden mittels des Newman-Keuls-Posthoc-Tests festgestellt. Die Resultate wurden mit der existierenden Normenskala verglichen, um die Starken und Schwachen zu determinieren. Es hat sich gezeigt, daß die benachteiligten Populationsgruppen bestimmte Schwächen hatten, mit denen man sich in der Begabungsentwicklung befassen Soll. Es hat sich auch gezeigt, daß diese Gruppe dasselbe Potential für Rugby hatte, wie die andere. Entwicklungsprogrammesollen von Experten entwickelt werden, mit dem Ziel, die Begabung zum Rugby zu entwickeln und die Resultate zu kontrollieren. Es ist wichtig, daß das wissenschaftliche und organisierte Rugby zusammenarbeiten, um die professionelle Entwicklung zu sichern
Teacher Upgrading through Distance Education in a South African Context
In 1994, after the dismantling of Apartheid in South Africa, there were more than 85,000 teachers in the system who had no tertiary qualifications or were inadequately qualified. Most of these teachers lived in rural areas, and had no access to tertiary institutions. This situation required a unique approach to overcome the problems specific to the demographic and socio-economic circumstances of the country.The North-West University in South Africa took up the challenge and became involved in the huge task of upgrading the qualifications of these teachers by implementing a distance education programme. A flexi programme has been implemented by the establishment of thirty-two learning centres in locations throughout the country, which are accessible to these students. Full time lecturers and trained part time facilitators offer contact classes twice a month. Vacation schools provide additional learning opportunities. The recruitment and enrolment of students, distribution of study material and other administrative duties are supplied by supporting companies.Quality control for all these programmes is ensured by benchmarking against the programmes presented on the main campus i.e. B.Ed Hons., ACE and NPDE. Currently more than 17 000 teachers are enrolled in modules presented in the flexi mode and a passing rate of more than 70% attests to the success of the programme.</p
Effect of Cryogrinding on Chemical Stability of the Sparingly Water-Soluble Drug Furosemide
Purpose To investigate the effect of cryogrinding on chemical
stability of the diuretic agent furosemide and its mixtures with
selected excipients.
Methods Furosemide was ground at liquid nitrogen temperature
for 30, 60, 120 and 180 min. Mixtures of furosemide-PVP
and furosemide-inulin (1:1) were milled under cryogenic conditions.
Materials were analyzed by XRD, UPLC, MS and NMR.
Results Upon increasing the milling time, a significant build-up
of an unidentified impurity 1, probably the main degradation
product, was noticed. Cogrinding of furosemide with PVP and
inulin worsened chemical stabilization of the pharmaceutical.
The main degradation product formed upon cryomilling was
subsequently identified as 4-chloro-5-sulfamoylanthranilic acid
(CSA). Based on some theoretical considerations involving
specific milling conditions, the milling intensity and an expected
specific milling dose have been calculated. Results indicate that
cryogenic grinding is capable to initiate mechanically induced
decomposition of furosemide.Conclusions Cryogenic grinding can activate and accelerate
not only structural changes (solid state amorphization) but also
chemical decomposition of pharmaceuticals. A cryogenic
milling device should be considered as a chemical reactor,
where under favourable conditions chemical reactions could be
mechanically initiated
Campeloma Rafinesque, 1819 (Mollusca, Gastropoda): proposed conservation
Volume: 55Start Page: 76End Page: 8
Towards A Polynomial System Of Zoological Nomenclature? A Response To The Proposals Of D.s. Yu (1993)
Volume: 51Start Page: 92End Page: 9
COMMENT ON TOWARDS A HARMONIZED BIONOMENCLATURE FOR LIFE ON EARTH (HAWKSWORTH ET AL., 1994)
Volume: 52Start Page: 126End Page: 13
Ichthyosaurus trigonus Owen 1840 Currently Macropterygius trigonus Reptilia Ichthyopterygia Proposed Replacement Of Neotype By Rediscovered Holotype
Volume: 48Start Page: 240End Page: 24
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