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송용환 대한양계협회 1987 월간 양계 Vol.19 No.3
수입개방화 시대를 맞이하여 양계산업은 국제경쟁력의 우위에 서기 위해 한층 더 노력의 박차를 가해야 한다. 양계의 기본인 종란과 부화장의 위생관리를 다시금 생각해보자.
송용환 대한양계협회 1987 월간 양계 Vol.19 No.8
양계가 자신도 모르는 사이에 입는 손실과 생산성을 저해하는 질병 등이 더욱 중요함을 잊어서는 안되며, 이것들을 콘트롤하기 위한 포괄적인 위생적 환경을 조성해 줌으로써 보다나은 양계경영을 이룰 수 있을 것이다.
송용환(Song, Yongwhan),김상기(Kim, Sangki),양재창(Yang, Jaechang),박준호(Park, Junho),김명수(Kim, Myoungsoo),구할본(Gu, Halbon),박경희(Park, Kyunghee) 한국신재생에너지학회 2010 한국신재생에너지학회 학술대회논문집 Vol.2010 No.11
Chemically functionalized plant oils such as acrylated epoxidized soybean oil (AESO) and maleinized acrylated epoxidized soybean oil (MAESO) were used as new bio-based binders for TiO₂ electrodes of dye-sensitized solar cells (DSSC). More porous networks and larger porosities were fabricated on the TiO₂ films using plant oil binders due to the larger number of functionalities, in comparison with the film using polyethylene glycol (PEG). The charge-transfer resistance in the TiO₂ films was considerably shrunk due to the reduced impurity states. The short circuit photocurrent (Isc) and the open circuit photovoltage (Voc) of the cell using plant oil binders increased and the conversion efficiency improved significantly.
간세포암 환자에서 TACE 후에 발생한 상복부 피부발진 2 례
이병희,김창민,정숙향,임경진,정진행,이승숙,이진오,김유철,한철주,김종광,김연경,서요안,송용환 대한간학회 2000 Clinical and Molecular Hepatology(대한간학회지) Vol.6 No.3
$quot;Transcatheter arterial chemoembolization (TACE) is a therapeutic option for unresectable hepatocellular carcinoma. Supraumbilical skin rash is a rare complication of TACE caused by patent hepatic falciform artery. We report herein two cases of supraumbilical skin rash developed after TACE for hepatocellular carcinoma, with discussion on the pathogenesis, prophylaxis, and treatment$quot;.
만성 간질환과 간세포암종 환자에서 Basic Fibroblast Growth Factor와 Vascular Endothelial Growth Factor의 혈청 농도
김창민,홍석일,이진옥,유성재,정성문,정숙향,이진오,한철주,김종광,송용환,홍영준,김유철 대한간학회 2001 Clinical and Molecular Hepatology(대한간학회지) Vol.7 No.1
Background/Aims: Angiogenesis occurs in response to tissue damage, and is of vital importance for tumor growth and metastasis. Basic fibroblast growth factor (bFGF) and vascular endothelial growth factor (VEGF) are potent angiogenic factors, and have been suggested to be useful diagnostic markers in certain hypervascular tumors. However, little is known of serum bFGF and VEGF in patients with hepatocellular carcinoma (HCC). We attempted to measure serum bFGF and VEGF in patients with chronic liver diseases (CLD) and HCC to assess their pathogenetic role and usability as tumor markers. Methods: Serum bFGF and VEGF were measured in 8 patients with chronic hepatitis (CH), 15 patients with liver cirrhosis (LC), and 49 patients with HCC. bFGF was measured in 33, and VEGF was measured in 50, healthy blood donors. Results: Serum bFGF was 3.8±1.9, 2.0±1.4, 4.2±6.0, 17.4±30.0 pg/mL in normal control, CH, LC, HCC, respectively. The serum bFGF level was significantly increased in patients with HCC when compared withmal control or patients with CLD. No difference, however, was observed in serum VEGF levels among the four groups. The serum levels of bFGF and VEGF were not significantly different in patients with HCC according to tumor type, size and stage. Serum bFGF showed good sensitivity (90%), specificity (87%), and positive predictive value (94%) in differentiating patients with HCC from those with CLD at the cut-off value of 4.6 pg/mL. Conclusions: bFGF might play a role in the growth of HCC and its serum level might be used as a tumor marker. On the other hand, serum VEGF does not seem to be an adequate tumor marker.(Korean J Hepatol 2001;7:47-54)
간세포암 진단을 위한 세침흡인 세포학적 검사의 필요성과 안전성
이진오,김창민,김유철,이진옥,유성재,정성문,이병희,정숙향,한철주,이승숙,조경자,송용환,김기환 대한간학회 2000 Clinical and Molecular Hepatology(대한간학회지) Vol.6 No.4
Backgrounds/Aims: The fine-needle aspiration (FNA) is a useful method for diagnosis of hepatocellular carcinoma (HCC). The aims of our study are to assess diagnostic accuracy of FNA, to define proper indications of FNA for diagnosis of HCC, and to evaluate the complications of FNA. Subjects and Methods: To assess diagnostic accuracy we compared the results of preoperative FNA with postoperative pathology in 38 resected cases with primary liver cancer. To define proper indications and complications of FNA, we prospectively followed 138 patients received FNA for their liver tumors which were suspicious of primary liver tumor. Results : The sensitivity, specificity, positive and negative predictive values of FNA were 100%, 97%, 100% and 66% respectively. All patients with serum alpha-fetoprotein (AFP) level over 1000 ng/ml were having HCC on FNA result. Among 36 patients with AFP level ranged 15-1000 ng/ml and hypervascular mass on angiography, 96% were having HCC. Among 50 patients with normal AFP level and hypervascular mass on angiography, 92% were having HCC. The major complications after FNA such as hemoperitoneum, pneumothorax, and iatrogenic arterioportal shunt developed in 2%, 2%, and 7% of subjects, respectively. We did not find any case of needle-tract seeding of cancer during a mean 4.7 months of follow-up. Conclusions: Although the FNA is an accurate method for diagnosis of HCC, FNA was usually not indicated for patients with serum AFP level over 1000 ng/ml or patients with hypervascular mass on angiography when they were suspected of having primary liver cancer. Major complications were hemoperitoneum, pneumothorax and iatrogenic arterioportal shunt. Iatrogenic arterioportal shunt may influence the efficacy of subsequent transcatheter arterial embolization(Korean J Hepatol 2000;6:505-513).