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전의식,서순봉 대한피부과학회 1974 大韓皮膚科學會誌 Vol.12 No.4
Roots of manually extracted scalp hairs among 86 healthy Koreans in different age groups were examined microscopically and the proportion of resting hairs to growing hairs were determined with the followings results. 1. The proportion of resting hairs in all age groups was 10.9% and there was no significant difference between male and female. 2. In each age group the proportion of resting hairs shows difference, being lowest(6.8%) in below 9 years age group, increasing the rate by increasing the age group, highest(19.7%) in over 60 years age group. 3. The proportion of resting hairs below the age of 29 years was below 10%, above 30 years to 49 years in between 10% to 15%, and over 50 years in between 15% to 20%. 4. The normal range of the proportion of resting hairs among normal Koreans was below 20%.
全義湜,徐舜鳳,全燾基 慶北大學校 醫科大學 1980 慶北醫大誌 Vol.21 No.1
各種 病原材料에서 分離한 Gram陰性菌의 12種의 抗菌劑에 대한 耐性樣相을 보았던바 Pseudnmonas aeruginosa는 大部分이 7劑以上 特히 10劑 및 11劑의 抗菌劑에 耐性이었으며 gentamicin(Gm)에는 30%, carbenicillin에는 56%의 菌이 耐性이었으나 其他抗菌劑에는 74%以上이 耐性이었다. Escherichia coli는 病原材料의 菌과 大便由來의 菌사이에 多少의 差異가 있으며 大便由來의 菌의 耐性率이 多少 낮았다. 6∼9劑에 耐性인 菌이 많으며 Gm에는 0∼9%, nalidixic acid(Na)에는 3∼9%, cephaloridine(Cr)에는 7∼20%, trimethoprim-sulfamethoxazole(Ts)에는 27%, kanamycin에는 11∼53%가 耐性이었고 其他抗菌劑에는 1/2以上 2/3의 菌이 耐性이었다. Klebsiella pneumoniae는 8∼9劑耐性이 많으며 Na에 8%, Cr에 17%, Gm에 25%, Ts에 33%의 菌이 耐性이나 其他抗菌劑에는 42%以上 60%內外의 菌이 耐性이었다. Enterobacter와 Proteus는 全菌株가 耐性이었으나 菌株가 적어서 耐性樣相을 確言할 수 없다. 全供試抗菌劑에 感受性인 菌은 P. aeruginosa에서는 볼 수 없고 E. coli는 24株(18%), K. pneumoniae는 9株(38%)였으며 Ak에 耐性인 菌은 1株도 없었다. Gram-negative pathogenic microorganisms isolated from various clinical specimens were studied by plate dilution method for their resistance to 12 antimicrobial drugs of common clinical use. All of 187 Pseudomonas aeruginosa strains isolated were multiply resistant to four or more drugs, and a majority of them to 10 or 11 drugs. Thirty percent of them were resistant to gentamicin(Gm), 56% to carbenicillin (Cb), and more than 74% to the other drugs tested. Among them, all strains were resistant to nalidixic acid (Na), streptomycin (Sm), and cephaloridine(Cr), but no strain was resistant to amikacin(Ak), There was some difference on the patterns of resistance between Escherichia coli isolated from clinical specimens and those isolated from Shigella-negative stools of diarrheal patients, and the rate of resistant strains to drugs was in general a little higher among the former than the latter. Some strains, 6 among 45 clinical isolates and 18 among 88 fecal strains, were susceptible to all drugs all tested, and the others were resistant to one to 10 drugs. Among them, strains multiply resistant to 6, 7, and 8 drugs were frequently found. Less than 10% of strains were resistant to Gm and Na, 7 to 20% to Cr, 27% to trimethoprim-sulfamethoxazole (Ts), 11 to 53% to kanamycin (Km), and approximately a half to two-thrids of strains from both clinical specimens and stools were resistant to the other drugs except Ak. Among Klebsiella pneumoniae studied, 9 strains among 24 were susceptible to drugs tested, and the others were resistant to one or more drugs, and frequently to 8 and 9 drugs. Two (8%) strains were resistant to Na, 17% to Cr, 25% to Gm, 33% to Ts, and more than 42 to 63% were resistant to the other drugs except Ak. Only small numbers of strains were tested, and it was shown that all strains of Enterobacter aerogenes and Proteus were resistant to one or more drugs. The results of this study showed that Ak was active on all strains tested. A considerable number of P. aerugiuosa strains was susceptible to Cb and Gm, while three-quarters to all strains were resistant to the other drugs. A quite large number of E. coli studied were susceptible to Na, Cr, and Gm, and a little less to Ts and Km Na and Cr were active to the most strains of K. pneumoniae, and three-quarters to Gm. These results suggest that the useful drugs for various infections are decreasing in recent years in Korea.
전의식 公州大學校 工學硏究院 生産技術硏究所 2005 論文集 Vol.13 No.-
According to the development of the heat sink technology, the making of heat sink pin consist the heat sink is rapidly increased. But the current manufacture machine drops pins into the box directly, there is extra work to loading the pins and this will induce the lose of man cost and work time. So in this study, the target focused the economic part like cost and time by developing the radiator pin unloading system. In the beginning of the graduate project, the concept design was needed. First of all, the twisting angle of guide bar and the setup position of driving part was suitably designed. After making prototype, the reliability test of table and driving part (sensor, cylinder,1 solenoid valve) was performed. As a result, the performance of loading the radiator pin was shown over 3 times compare to the former days.
전의식,박성두 公州大學校 工學硏究院 生産技術硏究所 2005 論文集 Vol.13 No.-
Nowaday, the semi-conductor technology and precision automation technology are become rapidly improving, so mechanical industries converting mechatronics industries which are combined mechanics, electrics and electronics. To manipulate these technology, the ability which can design precise machine and controller and the ability can program the operation software are needed In this study, rotary music player which can play the music, rotate the character and light the piano board according to the musical notes was developed. The concept design to arrange the piano board circularly was studied and the hardware technology with step motor control, photo sensing, serial port interface were used. And to generate the musical note, new conpact program for private use was developed. As a result, the rotary music player which is first in the worldwith for leisure was born.
전의식,조병후,Jeon, Euy-Sik,Cho, Byoung-Hoo 한국디지털건축·인테리어학회 2003 한국디지털건축인테리어학회 논문집 Vol.3 No.1
The interest about noise and vibration is increasing by a living level elevation recently. Particularly, the interest about the influence that vibration of machine has on the safety of building is rising. However, there are a lot of the cases that the influence of machine isn't considered in designing the factory buildings. The purpose of this study is to suggest the results of measuring that the influence of machine's vibration in A factory has on the building structure.