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송재수,김혜경,서병태 대한마취과학회 1977 Korean Journal of Anesthesiology Vol.10 No.3
The authors have experienced a case of general anesthesia for a premature baby of congenital esophageal atresia with tracheo-esophgeal fistula, and postoperative atelectasis at right lung field. Removal of secretions, and expansion of collapsed lung intermittently durinng surgical manipulation were thought to be necessary for the prevention of post-operative lung complications. Postural drainage with intermittent positive pressure breathing, and keeping the patient in incubator with oxygen and humidity after anesthesia was recommended. Anesthetics which irritate the respiratory tract and increase secretion must be avoided. Selection of proper sized endotracheal tube has been stressed to prevent traumatic intubation.
송재수,우범식 한국섬유공학회 1976 한국섬유공학회지 Vol.13 No.1
In order to investigate the performance of high production card, some experiments were carried out on the fiber transfer rate, neps in the web and irregularity of card sliver with the various factor such as; density of metallic card clothing on the doffer, speed of cylinder, setting of flat and doffer, speed of doffer, weight of sliver, and micronaire value of cotton. As the results, the following conclusions were obtained; The density of metallic card clothing on the doffer and its speed were the most prominent factors on the fiber transfer rate. Large fiber transfer rate produced the cloudy web and it was thought that large fiber transfer rate brought less back doubling effect on the cylinder. When the speeds of cylinder were not increased. Within the range of present experiment, fiber transfer rate was not changed in accordance with the change of micronaire value.
합곡(合谷)$(LI_4)$ 자침(刺鍼)이 곡지(曲池)$(LI_{11})$와 영향(迎香)$(LI_{20})$ 영역(領域) 온도변화(溫度變化)에 미치는 영향(影響)
송재수,안성훈,김재효,김경식,손인철,Song, Jae-Soo,An, Seong-Hun,Kim, Jae-Hyo,Kim, Kyung-Sik,Sohn, In-Chul 대한한의학회 1998 대한한의학회지 Vol.19 No.2
This study was performed from October 1997 to March 1998 on 42 healthy students to observe the effects of acupuncture at Hap-kok (LI4) according to the meridian and qi-xue(氣血) phenomenon of oriental medicine's theory. Skin temperature on the Kok-Chi(LI11) and Yong-Hyang(LI20) were measured by D. I. T. I. (Digital Infrared Thermograph Imaging) before acupuncture stimulation, 1min after and after acupuncture stimulation during 10 min. 1. In healthful man, average skin temperature about Kok-Chi area was in low than Yong-Hyang, and temperature change for 10 min was decreased significantly. 2. In Kok-Chi, the temperature decrease index of execution was shown in low than control. 3. When the temperature of Yong-Hyang(left) was higher, the index was shown in high than control. 4. When the temperature of Kok-Chi (left) was higher, execution temperature change was decreased significantly than control. The above results indicates that D. I. T. I. was a useful method to observe follow-up the effects and changes by acupuncture stimulation on objective evaluation of phenomenon for the meridian system. Thus, acupuncture on LI4 affects to thermal changes of ST25 and LI4, but exact examination of thermal changes on ST25 will have to be.
製織工業에 있어서의 品質管理(2) : Control of Sizing Process(2) 加糊工業의 管理(2)
宋在守 嶺南大學校工業技術硏究所 1992 연구보고 Vol.20 No.2
In part II, the process control methods of sizing machine were studied as follows. 1. It is current circumstances that most of factories cannot control the mixture of sizing agent ratlionally because of the many defects of installations. It is necessary to repair these defect as soon possible and the time and temperature control in the cooker should be more emphasized. 2. The important point of the process control of the size box is the temperature, concentration and viscosity of the sizing solution. If the process control of the high pressure squeeze roller which is one of the problems these days could be kept strictly, it can be reduced the ratio of the absorbed amount of the size, energy and it is possible to get the higher productivity of the weaving process. 3. The most important process control of the sizing machine is tension and draft control. It is easy to neglet these tension and draft control because of learning towards the emphasis of the importance of the productivity of the sizing machine. If they are neglected, it resulrts in bad effect on the yarn quality or the fabric quality. 4. About the energy saving or prevention of the environmental pollution which became a social recently, they ahould have more careful management and research and development should be more invested in the aspect of economics.
고속열차 환경에서의 무선백홀 링크 신뢰성 향상 기법 연구
송재수(Song Jae Su),백승권(Baeck Seung Kwon) 한국통신학회 2021 한국통신학회 학술대회논문집 Vol.2021 No.2
본 논문에서는 고속열차 환경에서 무선백홀 링크의 신뢰성 향상을 위한 방안을 제안하고 성능 분석을 수행한다. 이를 위하여 기차의 앞뒤에 2 개의 relay 를 설치하고 이를 통하여 2 개의 무선백홀 링크를 형성하는 토폴로지를 고려한다. 이러한 토폴로지에서 3GPP 에서 정의하는 패킷 중복 전송(packet duplication)을 적용하는 방안을 제안한다. 3GPP 에서 도입된 패킷 중복 전송은 2 개 이상의 독립적인 무선 베어러를 설정하고 동일한 PDCP PDU 를 중복해서 전송함으로써 하나의 무선링크에서 패킷 유실이 발생하더라도 다른 링크를 통해 패킷이 성공적으로 전송되도록 하는 다중 전송방식이다. 그러나 동일한 데이터를 중복적으로 전송하기 때문에 신뢰도가 향상되는 반면 자원이용 효율이 떨어지는 단점이 있다. 따라서 본 논문에서는 패킷 중복 전송을 적용하되 필요한 경우에 한하여 선택적으로 적용함으로써 자원이용 효율의 저하를 최소화하는 방안을 제안한다.
酸性亞黃酸나트륨 및 水酸化나트륨 處理에 依한 羊毛사의 强伸度變化에 關하여
宋在守,李相奎 嶺南大學校 工業技術硏究所 1978 연구보고 Vol.6 No.1
Wool fibers and wool yarns were treated with aqueous sodium bisulfite (NaHSO₃) and followed by the treatment with aqueous alkali (NaOH), to investigate strength and elongation. Treatment condition; NaHSO₃‥‥‥30min, 0.05M Conc., NaOH ‥‥‥40min., Various Conc., The following conclusions were drawn from the results of this work; (1) The strength of wool fibers were decreased with the increased of NaOH concentration and treating time. (2) The elongation of wool fibers showed maximum value at the treatment of 0.3% NaOH Sol. (3) The strength and elongation of wool yarn showed maximum value at the treat ment of 0.2% and 0.4 NaOH Sol.