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RISS 인기검색어
- 검색키워드
- 저자 : 한승동 (검색결과 3 건)
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炙甘草湯이 Sodium levothyroxine으로 誘發된 白鼠의 甲狀腺機能亢進症에 미치는 影響
In order to study experimentally the effects of Jakamchotang on hyperthyroidism induced by sodium levothyroxine, Triiodothyronine content, Tryroxine content, Free Tryroxine content and Thyroid-Stimulating Hormone content change in the serum of rats were measured after medication of liquid extract of Jakamchotang. The results were obtained as follows. 1. hi the serum Triiodothyronine content, Jakamchotang group revealed significant effect. 2. In the serum Tryroxine content, Jakamchotang group revealed significant effect. 3. In the serum Free Tiyroxine content, Jakamchotang group revealed significant effect. 4. In the serum Thyroid-Stimulating Hormone content, it showed decreasing or increasing tendency without significance in Jakamchotang group as compared with control group. According to the above experimental results, it can be considered that Jakamchotang has the curative effects on Hyperthyroidism.
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연소로 효율증진을 위한 On-Line 세정 방법에 관한 연구
한승동 한서대학교 대학원 화학공학과 2012 국내석사
An Experimental study of cleaning solution has been performed on a high capacity steam boiler burning heavy fuel oil to on-line cleaning of deposit. The deposit is mixture of soot, slag, ash, metal oxide and clinker. The traditional technology of deposit cleaning was carried hand-crafted. The conventional technology of boiler cleaning method is mechanical removal by the worker while the boiler shut down operation. In this experiment, the deposit of mixture of soot, slag, ash, metal oxide and clinker has been removed by the cleaning agents without shut down of boiler burning. This study found out the optimum cleaning solution composition. The best results have been obtained when the mixture of ammonium nitrate and MgNO3 were used in cleaning solution. The various transition metal affect was investigated for optimum mixing condition. In this research, the metal compound additive of the clean solution compoition was obtained. The combustion efficiency was improved by on-line cleaning with derived clean solution compoition. On-line cleaning method prevents the fouling and corrosion in the boiler and heat exchanger. 액상 중유 연료를 사용하는 고용량 증기 보일러에서 발생되어 연소기기 내부에 침적되는 슈트, 슬래그, 크랭커, 회분, 산화물의 on-line 세정을 위한 세정제 제조에 대한 연구를 수행하였다. 액상 중유 연료를 사용하는 보일러 및 가열로에 생성되는 슈트, 슬래그, 크랭커, 회분, 산화물을 제거하는 기존 기술은 보일러 및 가열로의 가동 중단 후 작업자들에 의한 기계적인 처리를 통하여 침적물을 제거하는 기술을 사용하고 있다. 기존 기술을 대치할 수 있고 보일러의 중단이 없는 상태에서 침적물을 세정할 수 있는 세정제의 최적 조성을 도출하였다. 질산암모늄과 질산마그네슘의 혼합물이 주 세정제로 도출되었으며, 각종 전이금속 화합물에 의한 영향을 영향을 연구하여, 세정에 의한 부식을 방지할 수 있으며, 연소효율의 증대를 얻을 수 있는 전이 금속 화합물 첨가제를 도출하였다.
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The aim of the study was the experiment of the effect that Kami-Daesiho-tang had on the essential hypertension and hyperlipidemia. Rats were orally administered with Kami-Daesihotang for 30days and the constituent of the plasma and serum were analysed at the 10th, 20th and 30th day from the first day of experiment, respectively. The heart rate, blood pressure, plasma renin activity, plasma level of aldosterone, catecholamine, sodium and angiotensinⅡ were measured after an oral administration of Kami-Daesihotang in SHR. In addition, serum levels of total cholesterol, triglyceride, HDL-cholesterol, LDL-cholesterol and total lipid were measured with cholesterol-fed rats. The results were summarized as following ; 1. Single-dosage Kami-Daesihotang & double-dosage Kami-Daesihotang remarkably decreased the blood pressure in SHR. 2. Double-dosage Kami-Daesihotang were recognized as having the effect on the decreased of the pulse rate in SHR. 3. Plasma renin activity was significantly decreasd in SHR after single-dosage Kami-Daesihotang & double-dosage Kami-Daesihotang treatment. 4. Double-dosage Kami-Daesihotang considerably reduced the plasma angiotensin level in SHR. 5. Noticeable decreased of plasma norepinephrine level was showed in SHR, after single-dosage Kami-Daesihotang & double-dosage Kami-Daesihotang treatment. 6. Single-dosage Kami-Daesihotang & double-dosage Kami-Daesihotang noticeable reduced body weight in hyperlipidemia rats which had fed with 1% cholesterol. 7. Single-dosage Kami-Daesihotang & double-dosage Kami-Daesihotang had a significantly decreasing effect on serum total cholesterol in hyperlipidemia rats which had fed with 1% cholesterol. 8. Serum triglyceride level was importantly decreased in hyperlipidemia rats which had fed with 1% cholesterol, after single-dosage Kami-Daesihotang & double-dosage Kami-Daesihotang treatment. 9. Remarkable decreased of serum low density lipoprotein cholesterol level was found in hyperlipidemia rats which had fed with 1% cholesterol, after single-dosage Kami-Daesihotang & double-dosage Kami-Daesihotang treatment. 10 Double-dosage Kami-Daesihotang was showed a significantly decreasing effect on serum total lipid level in hyperlipidemia rats which had fed with 1% cholesterol. 11. Single-dosage Kami-Daesihotang noticeably reduced organ weight of liver, kidney, spleen and testis in hyperlipidemia rats which had fed with 1% cholesterol. double-dosage Kami-Daesihotang significantly decreased organ weight of liver, kidney and spleen in hyperlipidemia rats. These Findings suggest a possible anti-hypertensive and hyperlipidemic effect of Kami-Daesihotang
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