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최선진,허준호,김철위 大韓齒科器材學會 1990 대한치과재료학회지 Vol.17 No.1
The aim of the present investigation was assess the thermal reaction during hardening of representative fourteen commercially available conventional dental amalgam alloys: DA HA HV KA AC CA FC IH MM OT SS SCA SA UT and six high-copper dental amalgam alloys: A-21 KS LA OP PM PA used in Korea. These tests were performed with a thermistor probe (YSI Model 42 SC) using physiograph(MK-IV, Narco, Biosystems, U.S.A.). The peak temperature of the thermal reactions of dental amalgams were determined by the mean value of three measurements. From the experiments, the results were as follows: 1. The results indicate that the peak temperature of exothermic reactions of the conventional amalgams was attained during 7.67 ±1.76℃ and 15.50 ±0.50℃, respectively. 2. The results suggest that the exothermic peak temperature for the high-copper amalgams was considerably higher than those of the conventional amalgams. 3. The results for the recommended ratio revealed significant increases in exothermic reactions and the (+) modified ratio showed significantly less exothermic reactions than the (-) modified ratio. 4. The results show that the peak temperature rise of dental amalgams was attained during 7.17 ±0.29℃ and 24.17 ±0.29℃ according to the type of amalgamators, respectively.
Differences in the Quality Characteristics between Commercial Korean Native Chickens and Broilers
Choe, Jun-Ho,Nam, Ki-Chang,Jung, Samooel,Kim, Bin-Na,Yun, Hye-Jeong,Jo, Cheo-Run Korean Society for Food Science of Animal Resource 2010 한국축산식품학회지 Vol.30 No.1
To investigate the differences in the quality characteristics between commercial Korean native chicken (KNC) and broiler (CB), nutritive and quality parameters of the two chicken species were determined. The KNC thigh muscle had a lower content of crude fat and higher crude ash than the CB thigh. In regards to the fatty acid composition, KNC breast muscle had a higher content of arachidonic acid (C20:4) than CB. The level of inosine was higher in the CB thigh muscle than KNC but there was little difference in other nucleotide compounds. The KNC breast had higher amounts of glycine, alanine, and proline than CB, which are closely related to high quality meat flavor. The sensory acceptance was not significantly different between the breast and thigh of KNC and CB. However, KNC had higher cohesiveness, chewiness and gumminess than CB, which are indicative of a unique texture property. Based on these results, commercial KNC may have superior nutritional quality, taste, and unique texture when compared with CB. Thus, the consumer preference for KNC may be partially explained by these distinctive quality characteristics.
Differences in the Quality Characteristics between Commercial Korean Native Chickens and Broilers
Jun Ho Choe,Ki Chang Nam,Samooel Jung,Binna Kim,Hye Jeong Yun,Cheo Run Jo 한국축산식품학회 2010 한국축산식품학회지 Vol.30 No.1
To investigate the differences in the quality characteristics between commercial Korean native chicken (KNC) and broiler(CB), nutritive and quality parameters of the two chicken species were determined. The KNC thigh muscle had a lower content of crude fat and higher crude ash than the CB thigh. In regards to the fatty acid composition, KNC breast muscle had a higher content of arachidonic acid (C20:4) than CB. The level of inosine was higher in the CB thigh muscle than KNC but there was little difference in other nucleotide compounds. The KNC breast had higher amounts of glycine, alanine, and proline than CB, which are closely related to high quality meat flavor. The sensory acceptance was not significantly different between the breast and thigh of KNC and CB. However, KNC had higher cohesiveness, chewiness and gumminess than CB, which are indicative of a unique texture property. Based on these results, commercial KNC may have superior nutritional quality, taste, and unique texture when compared with CB. Thus, the consumer preference for KNC may be partially explained by these distinctive quality characteristics.
인간 면역결핍 바이러스 감염자와 비감염자에서 발생한 주폐포자충 폐렴의 임상 양상 비교
최준용 ( Choe Jun Yong ),이꽃실 ( Lee Kkoch Sil ),박윤수 ( Park Yun Su ),조정호 ( Jo Jeong Ho ),한상훈 ( Han Sang Hun ),최석훈 ( Choe Seog Hun ),진범식 ( Jin Beom Sig ),박윤선 ( Park Yun Seon ),장경희 ( Jang Gyeong Hui ),송영구 ( 대한결핵 및 호흡기학회 2003 Tuberculosis and Respiratory Diseases Vol.55 No.4