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오늘 본 자료
苦木 아세톤 엑기스의 Alloxan糖尿病에 미치는 影響
李明烈 조선대학교 약학연구소 1982 藥學硏究誌 Vol.4 No.1
This study was enforced to investigate the influence of Picrasmae Lignum acetone extract (P.L.E.) on alloxan induced diabetes in rat. 1. P.L.E. did not affect the blood glucose level of normal experimental rat when it was injected by intraperitoneal. (i. p.) 2. When P.L.E. 100㎎/㎏, 200㎎/㎏, 300㎎/㎏ were injected by i. p., they decreased the blood glucose level, especially 200㎎/㎏, 300㎎/㎏ were significant, respectively, in alloxan diabetes of rat. 3. P.L.E. 300㎎/㎏ decreased the glutamic oxaloacetic transaminase level in alloxan diabetes of rat. 4. But it did not influence on the blood urea nitrogen, blood total cholesterol level when it were injected by i. p. in alloxan induced diabetes of rat.
임프란트 식립을 위한 치조정과 상악동 및 비강저간의 거리에 관한 연구
이명렬,심광섭,유광희 대한치과이식임플란트학회 1996 The Korean Academy of Implant Dentistry Vol.15 No.1
In dental implantation, comprehension on the anatomy of maxillae, mandible and its surrounding structures is very important, and this can also determine success or failure of the operation. The author measured the distance with a caliper from alveolar crest to the floor of maxillary sinus and nasal cavity on the traced paper of orthopantomograms. For this study, the author selected 320 orthopantomograms of normal adults and divided the cases into 8 groups by age and sex ; group I (20-39,male), group II (20 — 29, female), group III (30—39, male), group IV (30—39, female), group V (40—49,male), group VI (40—49,female), group VII (above 50,male), group Vffl (above 50, female). The results were as followed. 1. In the maxillae, the maximum and minimum distance between the floor of maxillary sinus and alveolar crest of 3rd molar area was 16.74± 2.53mm and 7.83± 2.81mm, respectively. In the 2nd molar area, maximum was 14.69+ 4.04mm and minimum was 8.45± 2.16mm, and in the 1st molar area, maximum was 14.34± 2.45mm and minimum was 7.24士 2.15mm. In the 2nd premolar area, maximum was 19.19土 2.62mm and minimum was 12.53± 3.41丽, and in the 1st premolar area, maximum was 23.50± 2.46mm and minimum was 14.87 ± 3.07 mm. 2. The maximum and minimum distance between the floor of nasal cavity and alveolar crest of central incisor area was 35.50± 2.02mm and 26.58± 2.88mm, respectively. In the lateral incisor area, maximum was 34.33± 2.85mm and minimum was 25.23± 2.46mm. 3. No significant difference was shown by comparing left and right side of each group. 4. In comparing each sex, classified by age, no significant difference has been shown in their twenties and thirties, but more amount of resisdual alveolar bone of maxillae has been shown in female group than in male group in their late of forties. 5. As aging, residual alveolar bone of maxilla is reduced due to alveolar bone resorption and pneumatization of maxillary sinus.
이명렬,Lee, Myeong-Ryeol 한국양봉협회 2009 양봉협회보 Vol.342 No.-
세계적 경제주간지 '이코노미스트(Economist)'는 3월 5일자 과학기술 섹션에서 '벌들의 귀환(The bees are back in town)'이라는 제목의 기사를 내보냈다. 작년도까지 전세계 양봉업계에 충격을 던져주었던 꿀벌의 실종 또는 봉군의 붕괴현상(CCD; colony clollapse disorder)에 대한 공포로 모두가 긴장하고 잇는 가운데, 붕괴되거나 사라졌던 벌이 다시 돌아왔다는 사실에 세계 양봉산업계가 안도하는 분위기이다. 이에 양봉협회보에 벌의 귀환 배경을 간략히 소개하고자 한다. 보는 관점에 따라 다른 해석도 가능하다는 점을 부언하고자 한다.
The Study of Age-related Skin Pigmentation Changes in Korean Female
이명렬,정유철,서병휘,김은주 사단법인 대한화장품학회 2023 대한화장품학회지 Vol.49 No.2
Since facial skin pigmentation is one of the visual characteristics of skin aging, it is important to evaluate skin pigmentation in the cosmetics and aesthetic fields. Several groups have investigated and developed the image analysis methods for skin pigmentation and some of the groups reported the age-related changes of the number and size of facial pigmented spots. However, they didn’t show the changes of the number and size of pigment spots by defined size, and there is no report for Korean female regarding pigmentation. A total of 194 Korean females aged 20 ~ 79 (48.97 ± 17.11 years) were analyzed for the number, size, and intensity of pigmented spots using various filters such as large high-pass filter and median filter in their digital facial images. There were significant correlations between age and total pigmented spot number (No.), size, and intensity (I) (pearson’s correlation coefficient r = 0.688, r = 0.645, r = -0.563), and significant correlations were also observed between the number and intensity of pigmented spots of different sizes. According to the ANOVA results, there were significant differences in the percentage of spot size of 2 ~ 4 mm2 and > 20 mm2 between 20’s and 70’s. In other words, with aging, pigmentation increases in the facial skin, and the large increase in pigmentation is particularly noticeable in Korean women.