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최광순 대한중국학회 2013 중국학 Vol.44 No.-
The study is an attempt to investigate on the features of using Idioms in "HongLouMeng", a Chinese literature. While classifying and analyzing idioms used in "HongLouMeng". The study conclude that there are two categories of the features of using Idioms in "HongLouMeng". One is the features in style such as number of letters and signal article. The other is the features in terms of content such as metaphor, replaceability and similarity. First, number of letters. Based on the number of letters, the idioms are classified into four-lettered idioms and non four-lettered idioms which consist of more or less than six letters. Chengyu(成語) is commonly four-lettered, while Suyu(俗語) is mostly six lettered. Xiehouyu(歇后語) has the largest number of letters since it has to be considered with preceding and following letters. Second, signal articles. The articles such as ‘俗語說(Suyushuo)’ helps idioms to be clear with the intended meaning. Third, metaphor. As the almost every idiom is used as a figurative expression, idioms in "HongLoumeng" also tend to be has same effect. Forth, replaceability. Suyu(俗語) can be replaced by Chengyu(成語) or Xiehouyu(歇后語) and vice versa. The virtue of the author's fluent commend of language allows the replaceability between idioms, in the way of using Chengyu(成語) or Xiehouyu(歇后語) to implicate Suyu(俗語). Fifth, similarity. Throughout "HongLouMeng" a number of idioms were replaced into similar expressions with same meaning which use a new word or rephrase the order of words. Idioms which contain same lessons and messages are also found numerous times with completely different structure and words. Replacing idioms instead of repeating exactly same expression shows the outstanding linguistic ability of author. The study on the five features would help to understand idioms in "HongLouMeng" more clear and make it much interesting. The author's fluent commend of language is worth to be considered from various angles as it plays important role in a linguistic and a culturological points of view.
최광순,이창현,박영재,조기수,김원호,Choe, Gwang Sun,Lee, Chang Hyeon,Park, Yeong Jae,Jo, Gi Su,Kim, Won Ho Korean Chemical Society 2001 Bulletin of the Korean Chemical Society Vol.22 No.8
A study has been carried out on the separation of gold, iridium, palladium, rhodium, ruthenium and platinum in chromite samples and their quantitative determination using inductively coupled plasma atomic emission spectrometry (ICP-AES). The dissolution condition of the minerals by fusion with sodium peroxide was optimized and chromatographic elution behaviour of the rare metals was investigated by anion exchange chromatography. Spectral interference of chromium, a matrix of the minerals, was investigated on determination of gold. Chromium interfered on determination of gold at the concentration of 500 mg/L and higher. Gold plus trace amounts of iridium, palladium, rhodium and ruthenium, which must be preconcentrated before ICP-AES was separated by anion exchange chromatography after reducing Cr(Ⅵ) to Cr(III) by H2O2. AuCl4- retained on the resin column was selectively eluted with acetone- HNO3-H2O as an eluent. In addition, iridium, palladium, rhodium and ruthenium remaining on the resin column were eluted as a group with concentrated HCl. However, platinum was eluted with concentrated HNO3. The recovery yield of gold with acetone-HNO3-H2O was 100.7 ${\pm}2.0%$, and the yields of palladium and platinum with concentrated HCl and HNO3 were 96.1 ${\pm}1.8%$ and 96.6 ${\pm}1.3%$, respectively. The contents of gold and platinum in a Mongolian chromite sample were 32.6 ${\pm}$ 2.2 ${\mu}g$/g and 1.6 $\pm$ 0.14 ${\mu}g$/g, respectively. Palladium was not detected.
시화호 인공습지에서 수생식물의 유기물 생산과 낙엽 분해
최광순,김호준,김동섭,조강현 한국습지학회 2013 한국습지학회지 Vol.15 No.3
수생식물의 수처리 기능을 고려한 습지관리에 대한 정보를 제공하기 위하여 시화호 인공습지에서 유입수의 수질특성이 다른 2개의 습지(동화천과 반월천 습지)를 대상으로 갈대와 애기부들의 생장특성, 유기물 생산량과 분해속도를 조사하였 으며, 또한 유기물생산량과 분해량을 토대로 습지내로의 유기물 부하량을 추정하였다. 갈대와 애기부들의 길이생장은 기 온이 상승하는 3월에 증가하여 7~8월에 최고치(갈대 340cm, 부들 320cm) 를 보였다. 경엽부의 밀도는 갈대가 100~170 개체/m2의 범위로 애기부들의 밀도(최대 78 개체/m2)보다 큰 것으로 나타났다. 갈대의 경엽부 최대 현존량은 1,350~ 1,980 g DM/m2의 범위로 반월천고습지에서 가장 컸고, 저습지에 비해 고습지에서 큰 것으로 나타났다. 한편 애기부들의 현존량은 1,940 g DM/m2로서 반월천고습지 갈대의 최대 현존량과 비슷한 값을 보였다. 갈대의 유기물생산력은 반월천고 습지 2,050 g DM/m2/yr > 동화천저습지 1,840 g DM/m2/yr > 반월천저습지 1,570 g DM/m2/yr ≒ 동화천고습지 1,540 g DM/m2/yr의 순으로 나타났으며, 애기부들은 2,210 g DM/m2/yr로서 갈대보다 생산력이 높게 나타났다. 시화호 인공습지 갈대와 애기부 들의 연간 총 유기물 생산량은 845 ton DM/yr (423 ton C/yr)이었으며, 이중 갈대에 의한 생산량이 90%를 차지했다. 수생식 물의 낙엽분해 속도(k)는 갈대와 애기부들 모두 잎이 줄기보다 빠른 것으로 나타났다(갈대: 잎 0.0062/day, 줄기 0.0018/day; 애기부들: 잎0.0031/day, 줄기 0.0018/day). 그리고 줄기 낙엽의 분해속도는 갈대와 애기부들이 같은 반면 잎의 분해속도는 갈대가 애기부들보다 약 2배 빠른 것으로 나타났다. 수생식물의 연간 총 낙엽 분해량(285 ton C/yr, 연간 총 유기물생산량의 67.3%)으로부터, 수생식물의 의해 생산된 유기물의 32.7%는 습지내에 퇴적되는 것으로 추정되었다.