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李明烈,朴貞淑,李柱烈,金忠模,洪石淳 조선대학교 기초과학연구소 1992 自然科學硏究 Vol.15 No.1
Actindia chinensis의 一般成分, 遊離糖 및 amino acid 組成狀態를 알아보기 위하여 HPLC 등으로 분석, 定量한 結果는 다음과 같다. 1. 粗蜜白質量은 2.77%, 炭水化物量은 11.97%이었다. 2. 遊離糖으로는 glucose, fructose, sucrose 및 maltose가 檢出되었으며 과육부에는 fructose, 껍질부에는 sucrose 및 maltose가 많이 함유되었다. 3. 과육질 및 껍질부에서 17種의 總 및 유리 amino acid이 검출되었는데 과육부에는 isoleucine 191.52mg/100g, glutamic acid 160.93mg/100g, 껍질부에는 g1utamic acid 203.36mg/100g, aspartic acid 168.46mg/100g으로 가장 많이 함유되어 있으며, 必須 아미노산 量은 껍질부가 528.23mg/100g으로 과육부 (350.90mg/loog)보다 약 1.5배 정도 많았다. 4. 遊離 아미노산 量은 과육부 (136.89mg/loog)가 껍질부 (120.55mg/100g)에 비해 다소 많았으며 他 과일에 비하여 histidine, arginine量이 많았다. Approximate compositions, and contents of free sugars and amino acids of edible and nonedidle portion in Kiwi fruit 〔Actindia chinensis planch〕were analyzed by HPLC. The results were as follows; The contents of protein and sugars in kiwi fruit were 2.77% and 11.97%, respectively. Glucose, fructose, sucrose and maltose were detected and fructose was rich in edible portion, and sucrose and maltose in nonedible portion. 17 kinds of total amino acids were detected in edible and nonedible portion. The contents of isoleucine(191.52mg/100g) and glutamic acid (160.93mg/100g) in edible portion, and glutamic acid (203.36mg/100g) and asparatic acid (168.48mg/100g) in nonedible portion were high. Total amounts of essential amino acids of nonedidle portion (523.23mg/100g) were rich than that of edible portion (350.90mg/100g). Free amino acids were contained 136.89mg/100g in edible portion and 120.55mg/100g in nonedible portion. Histidine and arginine were found in abundance, compared to other fruits (orange and strawbeery).
임용규,이주나,김정일,이동렬 대한치과교정학회 2004 대한치과교정학회지 Vol.34 No.4
본 연구에서는 성장기 골격성 Ⅲ급 부정 교합 환자의 치료 전 측모 두부방사선 계측사진에서 얻을 수 있는 골격성, 치성 분석을 통하여 안정군과 재발군을 구별하여 주는 요소를 찾아 보아 Ⅲ급 부정 교합의 치료시 안정성을 고려한 치료 선택에 도움을 주고자 하였다. 고정식 교정 장치를 통한 전치부 반대 교합 혹은 절단 교합의 골격성 Ⅲ급 부정교합 치료 후 최소 1년 동안 안정된 결과를 보인 안정군 33명과 관찰 기간 동안 절단 교합 이하의 수평 피개를 보인 재발군 22명을 연구 대상으로 하여 비교하였으며, t-test를 시행하여 다음과 같은 결론을 얻었다. 1. 전후방적 골격 형태보다는 수직적 형태, 특히 AB-maxillo-mandibular triangle내의 수직적 형태가 Ⅲ급 부정 교합 치료의 예후에 주요한 결정 인자로 나타났다. 수직 각도 계측 항목에 의한 안정군과 재발군간의 비교에서 유의성 있는 차이를 보인 항목은 AB-MP, ODI로 나타났다(P<0.01). 수직 비율 계측 항목에서도 MP-P/AL, PP-P/AL항목이 유의성 있는 차이를 보였다(P<0.05). 2. 재발의 경향은 교합 평면 특히, 하악 교합 평면이 전하방으로 급경사를 이룰수록 증가했다. 교합 평면 경사도와 관련된 계측 항목에 의한 안정군과 재발군간의 비교에서 OP(L)-PP, OP-PP, AB-PP(L), Wits appraisal 항목이 유의성 있는 차이를 보였다(P<0.05). 본 연구는 전후방 부조화가 아닌 골격성, 치성 수직 부조화가 재발을 예측하는 적절한 기준이 됨을 시사하였다. The purpose of this study was to investigate the predictors of relapse in orthodontic treatment of skeletal Class Ⅲ malocclusion in growing patients. A total of 55 patients were studied and all subjects were divided into two groups according to their stability in the post-treatment stage. Of the sample, 33 patients were included in the stable group and the remaining 22 were assigned to the relapse group. Cephalometric data of the pre-treatment stage was taken and compared between the stable and relapse group. The following results were obtained through t-test: 1. This study presented statistical evidence to show that the major skeletal determinant of prognosis in Class Ⅲ orthodontic treatment was not anteroposterior discrepancy but vertical discrepancy, especially within the AB-maxillo-mandibular triangle. Vertical angular measurements that showed statistically significant differences were AB-NIP and ODI(P<0.01) and the vertical ratio measurements were NIP-P/AL and PP-P/AL(P<0.05). 2. Relapse tendency increased with the steep occlusal plane, especially the steep lower occlusal plane. As to occlusal plane, there were statistically significant differences in OP(L)-PP, OP-PP, AB-OP(L) and Wits appraisal(P<0.05). This study claimed that anteroposterior discrepancy was not necessarily the proper criteria to predict relapse. Vertical discrepancy had a significant effect on post-treatment stability.
한지형 잔디의 조성시기, 초종 혼합 비율이 잔디 피복에 미치는 영향
심규열(Gyu Yul Shim),김창수(Chang Soo Kim),이성호(Seong Ho Lee1),주영규(Young Kyoo Joo) 한국잡초학회·한국잔디학회 2004 Weed & Turfgrass Science Vol.18 No.4
This study was conducted to find out the effect of sodding and seeding time and rate of seed mixtures on the establishment of cool-season turfgrasses by evaluating the turf coverage rates for two years.<br/> In fall planting, the required establishment period of full coverage(100%) was 1.5 months with a rolled turf sodding(Kentucky bluegrass 100%, Kentucky bluegrass 80%+Perennial ryegrass 20%). The 100% turf establishment was achieved in 7 months with Perennial ryegrass 100%, and 7.5 months by seeding with Kentucky bluegrass 100%(KB100), Kentucky bluegrass 80%+Perennial ryegrass 20%(KB80+PR20), Kentucky bluegrass 70%+Perennial ryegrass 30%(KB70+PR30).<br/> In spring planting, the establishment periods for sod with KB100 or KB80+PR20 were taken one month. However, in the case of seeding, the establishment periods were 3 months, 3.5 months, 3.5 months and 4 months with PR100, KB80+PR20, KB70+PR30, and KB100, respectively. Comparing the turf establishment vigor between fall and spring planting, the vigor was higher in spring planting than in fall planting in both sodding and seeding.<br/> In the case of spring planting, the most proper time for turf establishment was tested on April, May, and June trials. The effect was significant in establishment vigor. The result showed highest on April planting. On May and June trials, establishment vigors were decreased gradually. As the mixture rate of PR increased, ryegrass, establishment vigor was decreased with the rates. These results indicated that perennial ryegrass has relatively less tolerant to summer heat than Kentucky bluegrass.<br/> Number of shoots in 95 days after seeding was higher in KB100 by 16,600 per ㎡ than in PR100 by 12,400 per ㎡, while the lowest number showed in KB50+PR50 by 3,300 per ㎡. Those in KB80:PR20, KB70:PR30 were 6,700 and 4,900 per ㎡, respectively. The ratios of tillers according to mixture rates between Kentucky bluegrass and perennial ryegrass were KB80:PR20=87:13, KB70:PR30=78:22, and KB50:PR50=48:52.<br/> According to results in this study, ideal seeding time might be spring (April) than in fall (September), and proper mixture rate was 80% of Kentucky bluegrass with 20% of perennial ryegrass.