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조창호 ( C H Cho ),문호범 ( H B Moon ) 대한임상검사과학회 1992 대한임상검사과학회지(KJCLS) Vol.24 No.1
There have been a limited number of reports of iron containing plasma cells. We studied clinical fea- tures, laboratory findings, and reviewed the medical records and marrow aspirates of 42 consecutive pa- tients with iron containing plasma cells in marrow at Catholic hospital over a two-years period. Iron containing plasma cells were associated most commonly with alcoholism and occurred in marrow with increased and normal iron storages, and the marrow changes of megaloblastoid normoblasts and ringed sideroblasts. Previous reports were reviewed. The presence of iron containing plasma cells is suggestive of alcoholism and its complication, and disease associated with liver function abnormality. The mechanism of entry of iron into plasma cells is unknown.
조승연(S. Cho),김형섭(H. S. Kim),도철진(C. J. Do),박종학(J. H. Park),사정우(J. W. Sa),엄기원(K. W. Urm),유인근(I. K. Yu),윤병주(B. J. Yoon),이강희(K. H. Lee),인상렬(S. R. In),임기학(K. H. Im),임종연(J. Y. Lim),조창호(C. H. Cho),정영수(Y. S. J 한국진공학회(ASCT) 1999 Applied Science and Convergence Technology Vol.8 No.4(1)
한국중공업(주)에서 수행한 KSTAR 진공용기 시작품 제작이 완성됨에 따라 제작과 관련된 종합기술을 소개하고 분석하여 보았다. KSTAR 진공용기는 국내에서 제작경험이 없는 대형 진공용기이다. 따라서 이번 시작품을 통하여 구조물의 일체성과 원하는 초고진공을 얻기 위한 용접 방법을 시험하여 보았으며, 보강리브와 이중벽, 그리고 다양한 종류의 포트들로 구성된 복잡한 구조물에 대한 가공 및 조립방법을 개발해 내였다. 용접부위에 기본적인 누출시험을 수행하였으며 사용된 용접방법이 시험기준을 통과함을 확인하였다. 또한 시작품의 주 목적중의 하나인 제작 전후 치수변경측정을 통하여 대형 진공용기 조립성 및 제작성을 검토하여 보았다. 이번 시작품 제작을 통하여 발생된 문제점을 파악하고 개선책을 마련함으로써 향 후 KSTAR 진공 용기 본 제품 제작할 때 반영코자 한다. KSTAR vacuum vessel mockup was fabricated by Korea Heavy Industries. The fabrication technology chosen for the mockup is introduced and assessed in this paper. KSTAR vacuum vessel is a huge vacuum chamber of 52 cubic meters never built in this country. Through the experience of the KSTAR mockup fabrication, welding methods for obtaining both ultra high vacuum and structural integrity of the large vacuum chamber are extracted. The fabrication and assembly techniques for the complicated structure composed of reinforced ribs, double walls and various ports are also developed. A nondestructive test on the welding spot was performed and the results show that no major leaks violating the criterion were found. The one of the main objectives of the mockup fabrication is to measure the dimensions of the structure before and after fabrication, which plays an important role in the fabrication and the assembly. By assaying the problems occurred during mockup fabrication, the KSTAR mockup will provide the techniques for the fabrication of the main vacuum vessel.
벤취규모 1단식 전기집진기 내에서 수트 입자의 고효율 집진 실험
김용진(Y.J. Kim),홍원석(W.S. Hong),정상현(S.H. Jeong),박청연(C.Y. Park),김종호(J.H. Kim),문상철(S.C. Moon),최재승(J.S. Choi),조창호(C.H. Cho) 대한기계학회 2001 대한기계학회 춘추학술대회 Vol.2001 No.9
Bench scale study is carried out for oil soot and coal fly ash collection in electrostatic precipitator(ESP). Oil soot particle is very important air pollutant from oil or gas-fired combustion boiler. One of the important points of oil soot particle in an ESP is the submicron and/or very low resistivity dust problem such as corona quenching and re-entrainment, which decrease collection efficiency severely. In order to increase the collection efficiency of oil soot particle, we modified the discharge electrode array. Suitable choice of discharge electrode array generated high corona current density and high electric field intensity thus increased collection efficiency without increasing power consumption for oil soot particle.
名種 肝疾患에서 數種 肝檢査와 肝 Scintigram과의 比較觀察
李鍾錫,金洋一,朴善淑,曺昌鎬,李學重 中央醫學社 1976 中央醫學 Vol.30 No.1
In 12 normal cases and 88 liver disease cases, the radioactive colloidal gold liver scan, liver function test and liver biopsy were done at the Dept. of Internal Medicine. The results obtained were as follows: 1) Liver disease cases are classified according to the degree of splenic uptake and the degree of bone marrow uptake as seen along the vertebral column and there are high degree uptake 21 cases, moderate 3 cases, mild 35 cases of 100 cases. Decreased hepatic uptake and increased extrahepatic uptake (EHU) in the spleen and vertebral column are considered of an index of portal hypertension and collateral circulation. 2) Extrahepatic uptake of radioactive colloidal gold liver scan is increased at lower prothrombin level in 63 of 84 cases (75%). 3) The degree of splenic uptake and the degree of bone marrow uptake as seen along the vertebral column with mottling of the liver is high at lowered serum albumin and increased globulin level in 38 of 64 cases (59.4%). 4) Extrahepatic splenic and vertebral marrow visualization is noticed in cases of high serum alkaline phosphatase level but is not relationship between extrahepatic uptake rate and serum alkaline phosphatase level.