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안면 비대칭의 평가를 위한 기준에 관한 정보 두부 방사선 계측학적 연구
백선호,안병근,김선해,손홍범,한호진,강수만 대한치과교정학회 1993 대한치과교정학회지 Vol.23 No.1
This study was undertaken to investigate the middle having the least difference between the right and left structures among the lines that had been used in the study of the craniomaxillofacial asymmetry. The sample of this study consisted of twenty six Korean girls(average 18.9 years old) having normal facial appearance and occlusion. On the frontal cephalometric films of the sample, we divided the whole craniomaxillifacial area into four portions, i.e., cranial, upper facial, lower facial, and dental portion. So, we have found the midlines having the least difference in the whole craniomaxillofacial area itself, and in the each divided four portions, furtherly in the other portions from aimed portion. The findings were as follow : 1. In the whole craniomaxillofacial area, the connecting line between crista galli and anterior nasal spine and the perpendicular bisecting line between right and left foramen rotundrums were suitable for the midline. 2. In the cranial portion, established all six lines were suitable for midlines. In the other portions, the perpendicular bisection line between both condylion, the line passing the contact point between right and left mandibular central insisiors among the perpendicular lines between right and left mandibular central incisial tips were suitable midlines for evaluating the asymmetry of cranial portion. 3. In the upper facial portion, the perpendicular bisecting line between right and left zygions was the most suitable midline. In the other portions, the line between the crista galli and the most superior point of the odontoid process, the perpendicular bisecting line between right and left gonions, the perpendicular bisecting line between right and left condylions, and perpendicular bisecting line between right and left foramens rotundum were suitable midlines for evaluating the asymmetry of the upper facial portion. 4. In the dental portion, the perpendicular bisecting lines between right and left buccal cusps of both maxillary first molars and between right and left mandibular first molars were suitable midlines. In the other portions, the perpendicular bisecting line between right and left landmarks crossing the lesser wing of the connecting line between crista galli and prosthion were suitable midlines for evaluating the asymmetry of dental portion. 5. In the lower facial portion, the perpendicular bisecting lines between right and left condylions and between right and left gonions were suitable midlines. In the other portions, the line between the crista galli and anterior nasal spine, the perpendicular bisecting line between right and left foramen rotundums, and the perpendicular bisecting lines between right and left buccal cusps of both mandibular first molars and between right and left maxillary first molars were suitable midlines for evaluating the asymmetry of the lower facial portion.
강황의 재식밀도가 생육특성 및 Curcumin 함량에 미치는 영향
Byoung Man Kang,Hyoung Woo Park,Da Hwa Jung,Guk Yeo Lee,Seong Ho Ham,Jung Hee Cho,Kee Choon Park,Jun Hwan Yeo 한국약용작물학회 2016 한국약용작물학술대회 발표집 Vol.2016 No.05
Background : Curcuma longa L., is a very famous spice and medicinal herb in several countries of the world. Curcumin and volatile oils of C. longa improve hepatic and renal functions, and could be used against biliary disorders, diabetic and hepatic disorders. This medicinal plant was introduced for the regional promotion, Jeollanam-do, as the subtropic area in Korea. In the present study, the plant was introduced to the Jeollanam-do region of Korea with the aim to determine the optimal planting densities for growth characteristics, yield and curcumin contents which have not been reported up until now. Methods and Results : The field experiment was conducted at the experimental farm of Division of Traditional Korean Medicine Resource, NIKOM, Jangheung-gun, Jeollanam-do, Korea. The seedstock was planted at 40×20cm, 40×30cm and 40×40cm spacing with 3 replications. Nine plants were selected randomly for observations on growth characteristics such as plant height, stem diameter, leaves number, leaves area and to dry weight at days after transplanting (DAT) 90, 120 and 150. The dried samples of plant were stored in air tight polythene bags at room temperature for HPLC analysis of curcumin, which was undertaken following standard procedures. Top plant growth was observed in the 40×30cm planting density of C. longa, plant height, leaves number, leaves area and day shoot weight were larger than in the other treatments. Root length, root diameter and supporting roots of underground part were increased as planting density was wide, and dry root weight was increased in 40×30cm. However, yield and curcumin constituent was highest each 294 kg/10a and 68.7 mg/g in the planting density of 40×20cm. Conclusion : Based on the results of this study, planting density of 40×20cm is the most suitable in the cultivation and curcumin constituents of C. longa.