• Journal of Korean Elementary Science Education
• /
• v.29 no.4
• /
• pp.515-525
• /
• 2010

The purpose of this study was to analyze of how the elementary school teachers lead their classes of a science laboratory instruction and an engineering laboratory instruction in a science subject class. For this study, science laboratory and engineering laboratory lessons were selected and for each science and engineering laboratory lesson, five elementary school teachers were video-recorded of their lessons. The science and engineering laboratory lessons were analyzed by utilizing processes of the science model and the engineering model based on Schauble et al. (1991). The results of these studies are as follows: In science laboratory instruction, some participants didn't distinguish the difference between the science laboratory goal and the engineering laboratory goal. All of participants used search and end strategy of engineering laboratory for science laboratory lesson. In engineering laboratory instruction, all of participants guided to students engineering laboratory goal and used inferences and search strategy of engineering laboratory. However they didn't use the trial and error strategy or redesign which can be an essential element in engineering and design process. Educational implications are discussed.

• Parasites, Hosts and Diseases
• /
• v.51 no.5
• /
• pp.511-517
• /
• 2013

Species identification using DNA sequences is the basis for DNA taxonomy. In this study, we sequenced the ribosomal large-subunit RNA gene sequences (3,037-3,061 bp) in length of 13 Chinese Theileria stocks that were infective to cattle and sheep. The complete 28S rRNA gene is relatively difficult to amplify and its conserved region is not important for phylogenetic study. Therefore, we selected the D2-D3 region from the complete 28S rRNA sequences for phylogenetic analysis. Our analyses of 28S rRNA gene sequences showed that the 28S rRNA was useful as a phylogenetic marker for analyzing the relationships among Theileria spp. in ruminants. In addition, the D2-D3 region was a short segment that could be used instead of the whole 28S rRNA sequence during the phylogenetic analysis of Theileria, and it may be an ideal DNA barcode.

• 한국정보디스플레이학회:학술대회논문집
• /
• 2009.10a
• /
• pp.282-285
• /
• 2009

Nanostructured OLED light extraction films have been made via roll-to-roll coating processes. Their on-axis and integrated outcoupling efficiencies reach 2X and 1.3-1.8X, respectively. Optical performance and effects of the nanostructured film on pixel blur and image ghosting will be discussed.

• Proceedings of the Korean Magnestics Society Conference
• /
• 2008.12a
• /
• pp.39.2-40
• /
• 2008

• Proceedings of the Korean Society of Veterinary Pathology Conference
• /
• 2005.11a
• /
• pp.91-91
• /
• 2005

• Proceedings of the Korean Nuclear Society Conference
• /
• 2005.05a
• /
• pp.895-898
• /
• 2005

• Biomedical Science Letters
• /
• v.30 no.3
• /
• pp.152-161
• /
• 2024

The objective of this study was to suggest conducting a preliminary investigation into renaming the clinical laboratory science degree by comparing the names of this degree used in Korea, Japan, Taiwan, and the United States. In Korea, students who graduate from clinical laboratory science departments at universities are awarded a Bachelor of Science in Health Science, a Bachelor of Science, or a Bachelor of Clinical Laboratory Science, while graduates of clinical laboratory science departments at colleges receive an Associate Degree in Health Science or an Associate Degree in Clinical Laboratory Science. The Bachelor of Science in Clinical Laboratory Science and the Associate of Science in Clinical Laboratory Science are internationally accepted designations. They reflect the academic identity and professionalism of the occupation. The Bachelor of Science in Health Science and the Associate Degree in Health Science, being used by the Department of Clinical Laboratory Science in Korean schools, can be renamed to the Bachelor of Science in Clinical Laboratory Science and the Associate of Science in Clinical Laboratory Science, uniform names, respectively, through the revision of the school regulations.

• 한국초전도학회:학술대회논문집
• /
• 2008.08a
• /
• pp.2-2
• /
• 2008

• Asian-Australasian Journal of Animal Sciences
• /
• v.30 no.2
• /
• pp.206-210
• /
• 2017

Objective: A study was conducted to test six threonine (Thr) levels (0.39%, 0.44%, 0.49%, 0.54%, 0.59%, and 0.64%) to estimate the optimal dietary Thr requirements for Longyan laying ducks from 17 to 45 wk of age. Methods: Nine hundred Longyan ducks aged 17 wk were assigned randomly to the six dietary treatments, where each treatment comprised six replicate pens with 25 ducks per pen. Results: Increasing the Thr level enhanced egg production, egg weight, egg mass, and the feed conversion ratio (FCR) (linearly or quadratically; p<0.05). The Haugh unit score, yolk color, albumen height, and the weight, percentage, thickness, and breaking strength of the eggshell did not response to increases in the Thr levels, but the albumen weight and its proportion increased significantly (p<0.05), whereas the yolk weight and its proportion decreased significantly as the Thr levels increased. Conclusion: According to a regression model, the optimal Thr requirement for egg production, egg mass, and FCR in Longyan ducks is 0.57%, while 0.58% is the optimal level for egg weight from 17 to 45 wk of age.

• Genomics & Informatics
• /
• v.18 no.3
• /
• pp.33.1-33.7
• /
• 2020

This paper describes a community effort to improve earlier versions of the full-text corpus of Genomics & Informatics by semi-automatically detecting and correcting PDF-to-text conversion errors and optical character recognition errors during the first hackathon of Genomics & Informatics Annotation Hackathon (GIAH) event. Extracting text from multi-column biomedical documents such as Genomics & Informatics is known to be notoriously difficult. The hackathon was piloted as part of a coding competition of the ELTEC College of Engineering at Ewha Womans University in order to enable researchers and students to create or annotate their own versions of the Genomics & Informatics corpus, to gain and create knowledge about corpus linguistics, and simultaneously to acquire tangible and transferable skills. The proposed projects during the hackathon harness an internal database containing different versions of the corpus and annotations.