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( Jeong Sook Kim ),( In Ok Lee ),( Kyung Jin Eoh ),( Young Shin Chung ),( Inha Lee ),( Jung-yun Lee ),( Eun Ji Nam ),( Sunghoon Kim ),( Young Tae Kim ),( Sang Wun Kim ) 대한산부인과학회 2017 Obstetrics & Gynecology Science Vol.60 No.2
Objective This study aimed to introduce a method to remove huge ovarian tumors (≥15 cm) intact with single-port laparoscopic surgery (SPLS) using SW Kim`s technique and to compare the surgical outcomes with those of laparotomy. Methods Medical records were retrospectively reviewed for patients who underwent either SPLS (n=21) with SW Kim`s technique using a specially designed 30×30-cm2-sized 3XL LapBag or laparotomy (n=22) for a huge ovarian tumor from December 2008 to May 2016. Perioperative surgical outcomes were compared. Results In 19/21 (90.5%) patients, SPLS was successfully performed without any tumor spillage or conversion to multi-port laparoscopy or laparotomy. There was no significant difference in patient characteristics, including tumor diameter and total operation time, between both groups. The postoperative hospital stay was significantly shorter for the SPLS group than for the laparotomy group (median, 2 [1 to 5] vs. 4 [3 to 17] days; P<0.001). The number of postoperative general diet build-up days was also significantly shorter for the SPLS group (median, 1 [1 to 4] vs. 3 [2 to 16] days; P<0.001). Immediate post-operative pain score was lower in the SPLS group (median, 2.0 [0 to 8] vs. 4.0 [0 to 8]; P=0.045). Patient-controlled anesthesia was used less in the SPLS group (61.9% vs. 100%). Conclusion SPLS was successful in removing most large ovarian tumors without rupture and showed quicker recovery and less immediate post-operative pain in comparison to laparotomy. SPLS using SW Kim`s technique could be a feasible solution to removing huge ovarian tumors.
( Jin Hwa Lee ),( Ga Won Yim ),( Eun Ji Nam ),( Sung Hoon Kim ),( Young Tae Kim ),( Sang Wun Kim ) 대한산부인과학회 2014 대한산부인과학회 학술대회 Vol.100 No.-
목적: Demonstrate a new instrument, technique or procedure 방법: In this video, we showed how to remove huge ovarian tumors in sinlgel port laparoscopic surgery by SW KIM`s method. SW KIM`s method is the technique to put a huge ovarian tumor into a specially designed extremely large endopouch (XXXL: 30x30㎠sized) using two conventional laparoscopic needle holders and one laparoscopic grasper and gravity by changing the patient`s position. After identifying the infundibulopelvic and uteroovarian ligaments salpingooophorectomy including huge ovarian tumor was performed by LigaSure. And then ovarian tumor was located in the pelvic cavity by changing the patient`s position into reverse-trendelenberg position and a XXXL endopouch was inserted and un-rolled inside the abdominal cavity. To insert a huge tumor into the XXXL endopouch, the endopouch was opened in triangular shape. Bilateral apex of baseline of trianglular opening of the endopouch was hold by two needle holders and then the upper apex was hold by a grasper. After holding three point of endopouch opeing, the patient`s position was changed into deep trendelenberg postion, then the tumor came into the endopouch by gravity. While changing the patient`s position, 2 needle holders and a graspers were moved into the pelvic cavity from the abdominal cavity. Aftere identifying the tumor inside the endopouch, tumors could be removed through the single port opening site or transvaginally in laparoscopic hysterectomy case without spillage of ovarian tumor. 결과: The advantage of SW KIM`s method is to remove ovarian tumor without spillage in a single port laparoscopic surgery by putting it into the large endoscopic bag despite narrow space. 결론: Using a specially designed 30×30 cm sized XXXL Endopouch and SW Kim`s technique, huge ovarian tumors could be removed without spillage in single port laparoscopic surgery.
Melt spinning 법으로 제조된 Ti-Ni-Cu 합금리본의 상변태거동 및 형상기억특성
金載勳,崔美善,李喜佑,金泰俊,김연욱,南泰鉉 대한금속재료학회 2002 대한금속·재료학회지 Vol.40 No.7
Phase transformation behavior and shape memory characteristics of Ti-Ni-Cu alloy ribbons fabricated by melt spinning have been investigated by means of differential scanning calorimetry, X-ray diffraction, optical microscopy and thermal cycling tests under constant load. With increasing linear velocity and decreasing ejection pressure, transformation start temperatures of ribbons decreased and stability of the B19 martensite was lowered, comparing to those of alloys fabricated by conventional casting since the cooling rate increased. Only after heat treating ribbons at temperatures higher than 873 K where recrystallization occurred, the B19 martensite was observed in Ti-40Ni-10Cu alloy ribbons. Transformation elongation and hysteresis associated with the B2-B19 transformation in Ti-Ni-Cu alloy ribbons decreased with increasing Cu-content, which was attributed to the decrease in lattice deformations. Transformation elongations of ribbons were larger than those of alloys made by casting, which was closely related to a texture developed in ribbons.
Tae‑Young Kim,Tae‑Wook Na,Hyung‑Seok Shim,Yong‑Keun Ahn,Yong‑Kwon Jeong,Heung Nam Han,Nong‑Moon Hwang 대한금속·재료학회 2021 METALS AND MATERIALS International Vol.27 No.12
Penetrating morphologies at the growth front of abnormally-growing Goss grains in Fe–3%Si steel was examined in view ofthe possibility that they are the two-dimensional section of the solid-state wetting (SSW) along the triple junction line. Toobtain the statistically meaningful data, 102 penetrated grain and 204 penetrating abnormally-growing Goss grain morphologieswere examined. The misorientation angles of penetrating and penetrated grains were measured by electron backscattereddiffraction. Among the 102 examined penetrated grain boundaries, none has low misorientation angles less than 15°,whereas 17.2% of the 204 penetrating grain boundaries have low misorientation angles, and 23.5% of them have coincidencesite lattice boundaries. Besides, boundary energies of penetrating Goss grains, which were estimated from misorientationangles of the three grains in the penetrating morphology, satisfied the energetic condition for SSW along the triple junctionline. These results imply that the abnormal grain growth of Goss grains in Fe–3%Si steel occurs by the mechanism of subboundaryenhanced SSW.
Tae Chul Moon,Chang Seob Seo,Kyungmi Haa,Jin Cheul Kim,Nam Kyung Hwang,Tae Gyun Hong,Jee Hyeun Kim,Do Hun Kim1,손종근,장현욱 대한약학회 2008 Archives of Pharmacal Research Vol.31 No.5
Meso-dihydroguaiaretic acid (MDGA) is a medicinal herbal product isolated from the aerial parts of Saururus chinensis that inhibits the cyclooxygenase-2 (COX-2)-dependent phase of prostaglandin D2 (PGD2) generation in bone marrow-derived mast cells (BMMC) (IC50 9.8 μM). However, this compound did not inhibit COX-2 protein expression in BMMC at concentrations up to 30 μM, indicating that MDGA directly inhibits COX-2 activity. In addition, this compound consistently inhibited the production of leukotriene C4 (IC50 1.3 μM). These results demonstrate that MDGA inhibits both COX-2 and 5-lipoxygenase. Furthermore, this compound strongly inhibited the degranulation reaction in BMMC (IC50 11.4 μM). Therefore, this compound might provide a basis for novel anti-inflammatory drug development.
김명철,김덕환,신상태,임준호,김남중,김종만 충남대학교 수의과대학 동물의과학연구소 1998 動物醫科學硏究誌 Vol.6 No.-
Abomasal impaction with cecal dilatation was diagnosed in a 3 years old holstein cow. The clinical signs were loss of appetite, scant feces and moderate distension of the abdomen. Ping sound was revealed in the right 11th intercostal space by auscultation. Cecal dilatation and abomasal impaction were ascertained by right flank laparotomy and abdominal exploration, and intestinal content and gas were removed from the cecal apex incised. One day later, 2.5㎏ of sand was removed by ventral paramedian abomasotomy.
Benzoate, m-Toluate, Phenol의 Pseudomonas putida에 의한 생분해
김장규,김석형,김태환,이대광,김남기 成均館大學校 科學技術硏究所 1993 論文集 Vol.44 No.1
It this study, basic data were obtained for the treatment of industrial waste water which includes aromatic compounds. Substrate concentrations used were 100ppm, 500ppm, and 1,000pprn and initial pH's were pH6, pH7, and pH8 in order to obtain the optimum conditions for treating benzoate, m-toluate, and phenol by Pseudomonas putida(KCTC 1644). Durations were 20hrs for 100ppm, 40hrs for 500ppm, and 60hrs for 1,000ppm before the static growth of Pseudomonas putida. 100% of 100ppm benzoate(0.31g cell/1) was biodegraded at pH6, pH7, and pH8 before 20hrs, 52.8% of 500ppm at pH8 in 40hrs, and 27.9% of 1,000ppm at pH8 in 60hrs. The best initial pH was pH8 for the biodegradation and the growth of Pseudomonas putida in benzoate medium. For m-toluate, the best initial pH was also pH8. At this pH, 40.6% of 10Dppm(0.31 cell/1), 21.9% of 500ppm, and 14.1% of 1,000ppm m-toluate were biodegraded respectively in limited time. But for phenol, the best initial pH was pH7. At this point, 9.8% of 100ppm(0.218 cell/1), 7.1% of 500ppm, and 4.7% of 1,000ppm phenol were biodegraded respectively. Therefore, the best carbon source in this experiment was benzoate. Pseudomonas putida was also able to biodegrade m-cresol, p-hydroxybenzoic acid, and benzaldehyde.