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Earliest Virtual Deadline Zero Laxity Scheduling for Improved Responsiveness of Mobile GPUs
최성림,조수환,박종현,남병규 대한전자공학회 2017 Journal of semiconductor technology and science Vol.17 No.1
Earliest virtual deadline zero laxity (EVDZL) algorithm is proposed for mobile GPU schedulers for its improved responsiveness. Responsiveness of user interface (UI) is one of the key factors in evaluating smart devices because of its significant impacts on user experiences. However, conventional GPU schedulers based on completely fair scheduling (CFS) shows a poor responsiveness due to its algorithmic complexity. In this letter, we present the EVDZL scheduler based on the conventional earliest deadline zero laxity (EDZL) algorithm by accommodating the virtual laxity concept into the scheduling. Experimental results show that the EVDZL scheduler improves the response time of the Android UI by 9.6% compared with the traditional CFS scheduler.
구강악안면외과에 내원한 전신질환을 동반한 환자들의 예후에 관한 후향적 연구
최성림,민승기 원광대학교 치의학연구소 2003 圓光齒醫學 Vol.12 No.2
This study has carried out retrospective study about patient who were medically compromised by age, sex, prevalent disease, chief complaint, dental management and their prognosis. There were based on a total of 2773 new patients who has visited to the Department of Oral and Maxillofacial Surgery, Wonkwang University in Iksan, South Korea, from January to december in 2000. The obtained results as followed, 1. The 478 patients (17.2%) among total 2773 were showed medically compromised and male and female were 211 (44.1%), 267 (55.9%) patients. 2. Age distribution of patients with systemic diseases was higher in 7th decade group of 139 patients (29.1%), and followed by 6th group of 79 (16.5%) and 5th of 66 (13.8%). The range of age was from 4 to 94 years (mean age, 56.9 years) and that of female(59.5 years) was higher than male(53.7 years). There was a higher frequency for female(22.1%) and male(17.1%) in the both 3rd and 4th decade group. 3. In 539 cases of 478 patients with systemic diseases, cardiovascular disease was the most frequent diseases (234 cases, 43.6%), and was followed endocrine disease in decreasing order by (123 cases, 22.8%), hepatic disease (49 cases, 9.1%), respiratory disease(26 cases, 4.8%), renal disease (6 cases, 1.1%). 4. The oral diseases related to chief complaint were periodontal disease (25.3%), retained root (19.3%), odontogenic abscess (16.7%) and dental caries (9.3%), and so on. 5. Dental treatment was performed immediately without any medical consultation were tooth extraction of 311 cases (57.7%), surgical incision and drainage of 48 cases (8.9%), periodontal curretage of 21 cases (3.9%) and others of 46 cases (8.5%). The rest of 103 cases of total (20.1%) were treated after controlling and improving patients' condition by medication or medical consultation to their physician. 6. Only 4 patients (0.8%) among total 478 patients were shown poor prognoses associated with liver malfunction, blood disorders and respiratory distress patients.
임프란트 주위염에 대한 Er,Cr:YSGG 레이저 조사가 미치는 영향
최성림,김진환,황동현,민승기,Choi, Sung-Lim,Kim, Jin-Hwan,Hwang, Dong-Hyeon,Min, Seung-Ki 대한악안면성형재건외과학회 2008 Maxillofacial Plastic Reconstructive Surgery Vol.30 No.5
For Longevity of implant, considerations of biomechanical and microbiological aspects must be done. Recently, due to the remarkable development of bone grafting procedure. Implant has been implanted into the more favorable sites but peri-implantitis resulted from periodontal bacteria may obscure the long-term prognosis. Although many different modalities have been introduced to treat the failed implant. Implant's surface and irreversible bony destruction around the implant prevents good result. After Er,Cr:YSGG (waterlase) laser using the wave-length of 2780nm has been introduced to dental field, good results have been reported. Because waterlase uses the hydrokinetic force of water. It is excellent device to detoxify the implant surface mechanically without the heat generation and damage to the implant surface. We designed to evaluate waterlase effect on the peri-implantitis has been occurred after implantation. Four beagle dogs were involved. We have made four premolar extraction in each right and left side of the lower jaw and placed two implants in the anterior of the jaw as a control and six implant were placed posterior in each socket after extraction immediately as an experimental group. We tied floss-silk in each implant to make peri-implantitis intentionally. After three months, we explored peri-implant sites on each experimental fixtures. Using waterlase laser irradiation was performed on that implantitis sites under 3W, air 30% and water 20% intensity for 2 minutes. In control group, we repositioned the flap to cover the exposed fixture without any supportive care. Three months later, we sacrificed experimental animals and extracted and preparated bone blocks with Donath and Breuner (982), Donath (988)'s methods and examined under microscope. We have obtained good re-osseointegration around fixtures after treating with waterlaser irradiation. But it was shown fibroosseointegration in the control group.
갑상선암 동반 가능성을 고려한 하시모토 갑상선염의 수술 적응증
최성림,유봉옥,김인수<SUP>1<,SUP>,김윤규<SUP>1<,SUP>,Sung Lim Choi,M,D,Bong Ok Yoo,M,D,In Soo Kim,M,D,<SUP>1<,SUP> and Yoon Kyoo Kim,M,D,<SUP>1<,SUP> 대한갑상선-내분비외과학회 2002 The Koreran journal of Endocrine Surgery Vol.2 No.1
Purpose: This study was performed to further refine the indications for operative treatment of patients with Hashimoto's thyroiditis, and also to present the better histopathologic diagnosis method for Hashimoto's thyroiditis. Methods: The authors evaluated retrospectively 130 patients with surgically proven Hashimoto's thyroiditis at presbyterian medical center in Chonju and Yonsei hospital in Masan from Jan. 1995 to Feb. 2002. Results: The sensitivity of gun biopsy for the diagnosis of Hashimoto's thyroiditis was significantly higher than the one of fine needle aspiration (83.3% vs 46..2%, P<0.001). There were 26 cases (13.8%) of coexistent carcinoma of 130 patients. The incidence of carcinoma in men (6 in 9, 66.6%) was significantly higher than in women (20 in 121, 16.5%, P<0.05). The incidence of carcinoma in antithyroglobulin antibody negative group (8 in 10, 80%) was significantly higher than in antibody positive guoup (16 in 111, 14.4%, P<0.001). There was no significant difference in the incidence of carcinoma between positive and negative lymphadenopathy groups (22.6% vs 20.0%, P=0.681). As for ultrasonographic findings, patients with irregular-marginated dominant nodule or calcification had significantly higher incidence of carcinoma than those without so findings had (P<0.001). As for the distribution patterns of lymphocytes infiltration, the incidence of carcinoma in nodular or localized pattern groups is significantly higher than in diffuse group (24.5% vs 8.3%, P<0.05). Conclusion: For histopathologic diagnosis of Hashimoto's thyroiditis, gun biopsy is more sensitive than fine needle aspiration. And the incidence of concurrent carcinoma in patients with Hashimoto's thyroiditis is increased under the circumstances as follows: men, negative antithyroglobulin antibody results on serologic test, ultrasonographic findings such as irregular-marginated dominant nodule, increased vascularity or calcification, and nodular or localized patterns of lymphocytes infiltration on histopathologic examination. (Korean J Endocrine Surg 2002;2:10-14)