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Cyanex 272를 이용한 폐산화은배터리 침출액으로부터 Ag 및 Zn의 분리
조성용,서현,쑨판판,Sung-Yong Cho,Hyeon Seo,Pan-Pan Sun The Korean Institute of Resources Recycling 2024 資源 리싸이클링 Vol.33 No.1
The separation of Ag and Zn from the nitrate leachate of spent silver oxide batteries using Cyanex272 as an extractant was investigated. The extraction of Ag and Zn was affected by the concentrations of nitric acid and the extractant. Cyanex-272 selectively extracted Zn over Ag when the HNO<sub>3</sub> concentration was lower than 0.1 mol/L. The co-extracted Ag was removed by stripping with 1 mol/L thiourea. Stripping of Zn from the loaded Cyanex-272 was accomplished using 0.5 mol/L HNO<sub>3</sub> after the removal of Ag. The McCabe-Thiele diagrams for the extraction of Zn with Cyanex-272, the scrubbing tripping of Ag with thiourea, and the stripping of Zn with HNO<sub>3</sub> were constructed. The results were verified by simulated counter-current extraction and stripping experiments. Finally, a process for the separation of Ag and Zn from silver oxide batteries was proposed.
조성용,권오빈,김성찬,송현재,김강해,최민주 대한비뇨의학회 2022 Investigative and Clinical Urology Vol.63 No.4
Shock waves are commonly used in the field of urology. They have two phases, positive and negative, and the bubble generation is roughly classified into acoustic cavitation (AC) and laser-induced cavitation (LIC). We evaluated the occurrence of cavitation, its duration, the area of interest, and the maximal diameter of the cavitation bubbles. Changes in AC occurred at 0.2 ms with the highest number of bubbles and disappeared at 0.6 ms. The bubble size was 2 mm in diameter. Changes in LIC bubbles were observed in three pulse modes. The short pulse showed an initial bubble starting at 0.005 ms, which reached its largest size at 0.4 to 0.6 ms. The long pulse showed an initial bubble starting at 0.005 ms, which reached its largest size at 0.4 ms with the formation of an additional lagena-shaped bubble at 0.6 ms. The distance mode of MOSES showed two signal peaks with the formation of two consecutive bubbles at 0.2 and 0.6 ms. The main difference in the laser beams between the long-pulse and the MOSES modes was the continuity and the peak power of the laser beam. The diameters parallel to the laser direction were 6.8, 8.6, and 9.7 mm at 1, 2, and 3 J, respectively, in the short pulse. While the cavitation bubbles rupture, ejectile force occurs in numerous directions, transmitting high enough energy to break the targets. Cavitation bubbles should be regarded as energy and the mediators of energy for stone fragmentation and tissue destruction.
주세페 테라니의 산텔리아 유치원 계획에 관한 연구 - 근대 교육시설의 가변성 및 개방성을 중심으로 -
조성용,Cho, Sung-Yong 한국교육시설학회 2015 敎育施設 Vol.22 No.6
The purpose of this study is to analyze the 'Sant'Elia Nursery School' constructed in 1937 at Como, Italy. Giuseppe Terragni(1904-1943) is, as it well known, one of the representative architects in the period of Italian rationalism architecture. In particular, his 'Casa del Fascio(1928~1936)' is evaluated as a representative work of this period. The research is based on the original drawings and letters, mostly produced by G. Terragni himself. Through the analyze on the design process, the research tries to reveal Terragni's design method and strategy, especially in the educational facility project. There are at least four deferent phases in the Terragni's design process; in each phase, there are fundamental changes such as a structural grid system, relationships between skin and columns or spatial sequences. Establishment of a new guideline on the educational facility in 1925 is also an another important issue. There was a political need, during the period of Mussolini's regime, to find a model of educational facilities. So, this project reflects not only the Terragni's design process but also the good example of educational facility in the early Twenty Century in Europe.
조성용 법조협회 2005 法曹 Vol.54 No.6
헌법재판소 2000헌마474 결정은 형사소송상 기록열람·등사권의 범위를 수사단계로까지 - 물론 체포·구속적부심사절차에 한정되지만 - 확장시켰다는 점에서 특별한 의미를 지닌다. 그러나 이러한 결정에도 불구하고 체포·구속적부심사절차에서의 기록열람·등사권의 허용범위와 한계에 관한 구체적 사항은 여전히 불분명한 상태에 놓여있다. 우선, 필자는 헌법재판소의 견해와는 달리 체포·구속적부심사절차에서의 기록열람·등사권의 법적 근거를 법적 청문청구권 및 공정한 재판을 받을 권리에서 도출하고 있다. 또한 체포·구속적부심사절차에서의 기록열람·등사권의 대상에는 - 실체적 기록개념에 입각하여 - 범행에 의해 구체화되는 사안의 영역에서 수집된 모든 서류 및 증거물이 포함된다고 본다. 더 나아가 체포·구속적부심사절차에서의 기록열람·등사권은 구체적 사안에 근거하여 수사가 현저하게 방해받을 수 있는 상당한 혐의가 존재하는 경우에 한하여 제한될 수 있다. 그러나 체포·구속적부심사절차에서는 피의자가 구금 중이므로 현실적으로 이러한 제한사유가 적용되기는 어렵다고 본다. 마지막으로 실효성 있는 불복수단이 되려면 수소법원에 대하여 기록열람·등사거부결정에 대한 구제를 청구해야 한다. 입법론적으로는 형사소송법이나 형사소송규칙에 형사소송법 제417조를 준용하는 별도의 규정을 마련하는 것이 바람직하다
주세페 테라니의 리토리오궁 현상설계 계획안에 관한 연구
조성용,김성욱 한국문화공간건축학회 2016 한국문화공간건축학회논문집 Vol.- No.54
A casa del Fascio, casa Littoria, or casa del Littorio was a building housing the local branch of the National Fascist Party and later the Republican Fascist Party under the regime of Italian Fascism, in Italy and its colonies. In major urban centers, it was called the palazzo del Littorio or palazzo Littorio. Many of them were designed by Italian rationalist architects. The competition was organized in the crucial period when the Mussolini’s regime wanted to find a ‘new artistic style’ for show his own ideology. It must have the same monumentality like as the ancient roman monuments, at the same time it has to be elaborated through the new form and technology. This design guideline given by the competition organizer was created an important theme for the italian modern architects, like as ‘historicity’ in the modern architecture. Giuseppe Terragni presented two different projects at the first-grade competition(1934), and also one project at the secondgrade competition(1937). These projects show an important value for the above questions. This study aims to analyze, so, what’s the questions created by the competition, and what’s the meaning of the Giuseppe Terragni’s projects presented.