http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
신승일(Seung-Il Shin) 대한치과의사협회 2012 대한치과의사협회지 Vol.50 No.8
The periodontal flap surgery is the most widely utilized surgical procedure to reduce the pocket depth and to access the subgingival root surfaces for scaling and root planing. The diagnosis of the periodontal lesion and the objective of the surgery will dictate the type of flap procedure which will be utilized to obtain the best result. The incisions, type of flap and the selection of suturing design must be planned and executed to fit the problem. Periodontal flaps are designed to preserve gingival integrity and to gain access to root surfaces for residual calculus removal and to thoroughly remove granulation tissue so bone defects can be visualized and treated. Gentle and efficient procedures result in optimum healing and minimal postoperative pain. When flaps need to be repositioned apically or less often, coronally, then the flaps must sit passively at the appropriate level before suturing. To ensure this, buccal and lingual flaps need to be elevated beyond the mucogingival junction so the elasticity of the mucosa allows for flap mobility. Sometimes it may be necessary to extend the flap elevation apically with a split incision approach to minimize the effect of the less elastic periosteum. Vertical incisions can aid in flap positioning by allowing the clinician to suture the flap at a different level to the adjacent untreated gingiva. In osseous periodontal surgery, flaps are apically positioned to minimize postoperative pocket depth. In regenerative periodontal surgery including implant surgery, soft tissue coverage of bony defects, graft materials, membranes, and biologic agents is important so sulcular incisions and tight suturing techniques are crucial.
콘크리트 슬래브 궤도 흙쌓기 구간의 강화노반 두께에 관한 연구
신승진(Shin Seung-Jin),신민호(Shin Min-Ho),박종관(Park Jong Guan),이일화(Lee Il-Wha) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
An active application of concrete track is being expected for the future constructions of Korea railroad. For the successful construction and design in embankment section, the roadbed behavior should be reasonably estimated using the proper analysis method. In this research, behaviors of reinforced roadbed constructed with the determined stiffness and thickness at embankment section were estimated through various design parameters and numerical analysis. A three dimensional finite element method was employed to determine the proper reinforced roadbed thickness at embankment section. The displacement and vertical stress caused by train loading were estimated and compared with the field test results. The bearing characteristics of concrete track roadbed were presented. Moreover, the method to determine thickness of reinforced roadbed was proposed.
신승제(Seung Jea Shin),김형준(Hyung Joon Kim),고광진(Kwang Jin Ko),성현환(Hyun Hwan Sung),전황균(Hwang Gyun Jeon),정병창(Byong Chang Jeong),서성일(Seong Il Seo),이현무(Hyun Moo Lee),최한용(Han Yong Choi),전성수(Seong Soo Jeon) 대한비뇨기종양학회 2015 대한비뇨기종양학회지 Vol.13 No.3
Purpose: Partial nephrectomy has a similar oncologic outcome to radical nephrectomy while reducing cardiac and metabolic morbidity. However, previous studies reported that partial nephrectomy had been underutilized. The purpose of this study is to analyze trends in the use of partial nephrectomy in Korea and evaluate which individual factors and hospital factor influenced the operative approach. Materials and Methods: Using URO-PDS database, 11560 patients underwent nephrectomy for renal cell carcinoma between 2006 and 2010 were identified. International Classification of Disease (ICD-9) diagnosis codes were applied to target subject of interest. Logistic regression was applied to identify determinants of partial nephrectomy. Results: Over the study period, the proportion of partial nephrectomies has steadily increased from 9.4% in 2006 to 30.4% in 2010 (p<0.001). Deviation of utilization in partial nephrectomy has been observed based on the area (p<0.001) and type of surgery (p<0.001). Individual of younger age, as well as male, were more likely to be treated with partial nephrectomy (p<0.001 for each). Furthermore, Patient treated at hospitals with higher nephrectomy volume were more prone to be treated with partial nephrectomy (p<0.001 for each). Conclusions: Partial nephrectomies have been increasingly performed over the study period but are still underutilized.
열적으로 성층화된 수평전기화학계에서 이중확산대류의 물질전달 상관관계
신승일,윤도영,최창균 ( Seung Il Shin,Do Young Yoon,Chang Kyun Choi ) 한국화학공학회 1998 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.36 No.6
In the present research, theoretical and experimental studies are conducted to investigate the characteristics of double-diffusive mass transfer in a horizontal fluid layer with thermal stratification. As the double-diffusive convection may either enhance or reduce transfer rates, the present study developed a new predictive model for the transfer correlation of double-diffusive convection analytically. Using an electrochemical system as a double-diffusive environment, the double-diffusive conditions to mark steady ionic mass transfer were investigated experimentally. To do this, the limiting current technique was adopted in a CuSO₄-H₂SO₄ solution confined within horizontal copper electrodes. Theoretical results were confirmed by the experiments in which the relations of the double-diffusive conditions were quantified in an electrolyte-horizontal layer with both electrostatic fields and temperature stratifications. Thermal stratification showed the stabilizing effects in a multicomponent fluid layer as reducing the magnitude of buoyancy forces. The present study provides plausible predictions and explanations in controlling mass and heat transfer rates for various practical situations including the double-diffusive convection.