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상온 수압반복시험 시 Type 3 복합재용기 내 공기층의 온도변화
조성민(Sung-min Cho),김광석(Kwang Seok Kim),김창종(Chang Jong Kim),유근준(Geun-jun Lyu),이연재(Yeon-jae Lee),조윤성(Yun Seong Jo),류성기(Sung-Ki Lyu) 한국기계가공학회 2015 한국기계가공학회지 Vol.14 No.5
This research aims to increase the reliability and reproducibility of the ambient cycling test by properly making corrections to the test procedure. The vessel (106 L) is initially filled with 70 L of water and horizontally placed on a balance. The pressure range inside the vessel varies from 2.5 to 25.9 MPa at the frequency of 6 cycles per minute. After reviewing the results, there was a temperature difference of approximately 10 °C between the air pocket and the water, and the upper part of the liner faced a repeated temperature change of 40 °C. It is possible for the aluminum liner of the composite vessel to be damaged by such a sharp change in temperature. Additionally, as a result, no pass having anything to do with the purpose of the test would occur. Therefore, it is suggested that the air pocket be completely removed.
김지현,이선주,김애숙,조성민,이동석,김두권,최성민,기창석,김종원,Kim Ji Hyun,Lee Sun Ju,Kim Ae Suk,Cho Sung Min,Lee Dong Seok,Kim Doo Kwun,Choi Sung Min,Ki Chang Seok,Kim Jong Won 대한소아신장학회 2005 Childhood kidney diseases Vol.9 No.2
저자들은 불규칙한 발열은 주소로 내원한 5개월 된 어린 영아에서 유전자 검사를 통하여 선천성 신성 요붕증을 조기 확진하였으며 thiazide 치료에 반응을 보였기에 문헌고찰과 함께 보고하는 바이다. Nephrogenic diabetes insipidus(NBI) is characterized by an inability to concentrate urine despite normal or elevated plasma concentrations of the antidiuretic hormone; arginine vasopressin(AVP). Polyuria with hyposthenuria, and polydipsia are the cardinal clinical manifestations of the disease. Ninety percent of congenital nephrogenic diabetes insipidus patients are males with the X-linked recessive form of the disease; the mutation is in the AVP receptor 2 gene(AVPR2), which is located in chromosomal region Xq28. We report a case of NDI who suffered from unexplained fever and failure to thrive, which has been recognized since about ,3 months after birth. His genomic DNA analysis identified a novel AVPR2 gene mutation as W200C. (J Korean Soc Pediatr Nephrol 2005;9:269-274)