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지하층 에폭시 작업에 따른 VOCs의 폭발 화재에서의 화재감식 인자에 대한 평가
양상일,송영진,양안직 한국화재감식학회 2020 한국화재감식학회 학회지 Vol.11 No.2
VOCs generated from epoxy operations may be exploded by concentration above the lower explosion limit(LEL), which results in a fire hazard. The epoxy operating standards for the fire prevention and the basic data on fire identification are presented. The conditions that the VOCs exceed the LEL were evaluated as following. (1) Operating time of thinner within 5 hours, (2) Operating time of epoxy within 45 hours, (3) Ambient temperature above 12℃, (4) Not installed ventilating opening(or ventilator) or installed at 25cm or more, (5) More than 200℃ of temperature by ignition sources.
양상일,박경정,진우정,신효근 全北大學校 齒醫學硏究所 1988 전북치대논문집 Vol.6 No.1
Thirty three healthy adult patients who needed extraction of impacted lower third molar were studied. We focused on the changes of blood glucose and autonomic nervous system during surgical extraction and additionally the psychologic factor using DAS-J was checked to find the relationship with this study. This study was divided into before operation, immediatly before operation and immediatly after operation. The obtained results were as follows : 1. Blood pressure was increased immediatly after operation but not significant. Pulse rate was more increased in immediatly after operation than before operation(p<0.05). 2. Blood glucose was more increased in immediatly before operation than in before operation(p<0.05), and it was highly significant in immediatly operation(p<0.01). 3. The degree of surgical trauma (operation site, amount of local anesthetics and operation time) was not influenced of the changes of blood glucose.. 4. The changes of blood glucose and autonomic nervous system were not related to the psychologic factor measured by DAS-J.
양상백,장세은 韓國海洋大學校 人文社會科學大學 1999 韓國海洋大學校 人文社會科學論叢 Vol.- No.7
The purpose of this paper is to examine some aspects of wh-questions in American Sign Language (ASL), and to discuss some of the significant points in dispute about two current conflicting analyses of the rightward and leftward wh-movement. It has been discussed that some common examples of undisputed grammatical wh-sentences in ASL can be accounted for by either of two hypotheses: a leftward movement hypothesis that spec-CP and wh-movement is leftward universally, a rightward movement hypothesis that spec-CP and wh-movement is rightward. Nonetheless, in ASL, the rightward wh-movement analysis has been predominant over the leftward wh-movement analysis, even though the former provides a counterexample to claims by Kayne (1994) that all phrasal projections exhibit specifier-head-complement order and that syntactic movement is leftward, and thus it calls for an additional device that universal grammar must handle to allow the option of rightward movement. Two convincing arguments in favor of rightward analysis are (ⅰ) generalization of distribution of nonmanual syntactic wh-marking and (ⅱ) extraction of wh-words from within an embedded clause. In contrast, there are three pieces of evidence in favor of leftward wh-movement: (ⅰ) focus function of right-peripheral wh-material in wh-doubles sentences, given no occurrence of complex wh-phrases at the end of the sentence, (ⅱ) null arguments and covert wh-words, and (ⅲ) multisentence discourses in which the first sentence presents the presupposed information, and the second the single wh-word question. Our conclusion drawn from comparison of two contradictory analyses is that a major cause for this different views stems from different grammatical judgments on the same data, and this different interpretation of various wh-questions is due to at what level grammaticality is considered. Advocates of rightward wh-movement consider it at the sentence level only, while those of leftward wh-movement consider it at the discourse level for the most part. We hope that this paper will be contributed to studying Korean Sign Language with special regard to nonmanual signals and wh-questions.