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STUDY ON THE TENSILE FATIGUE DAMAGE OF QUASI-ISOTROPIC COMPOSITE LAMINATES

Acta Metallurgica Sinica(English Letters) 2003年第1期16卷 1-7页

作者： I.G.Kim I.S.Kim O.S.Kim YaragarraK.D.V.Prasad Dept. of Aerosp. Eng. Chosun Univ. Gwangju 501-759 South Korea Dept. of Mech. Eng. Mokpo Natl. Univ. Chonam 534-729 South Korea Dept. of Mech. Eng. Yosu Natl. Univ. Chonnam 550-749 South Korea Sch. of Mech. and Med. Eng. Queensland Univ. of Technol. Brisbane QLD 4001 Australia

Quasi-isotropic laminates have isotropic elastic properties in all in-plane directions. Therefore, this kind of laminate is widely used for structural elements. The simplest stacking sequence of quasi-isotropic laminates is [0/-60/60]s. When the direction of applied axial load to [0/-60/60]S laminate is inclined at a 30-degree angle, we have the other quasi-isotropic laminate [30/-30/90]s under axial load. The failure mechanisms of these two laminates are, however, entirely different from each other because these two laminates have different distribution of the interlaminar stresses. It was confirmed by tensile fatigue tests that the [0/-60/60]s laminate does not show any visible fatigue damage, but the [30/-30/90]s laminate develops edge-delamination during cyclic loading. The analytical results were in good agreement with the experimental results.

关键词： composite material delamination fatigue fracture mechanics interlaminar stress

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Efficacy and tolerability of a single-pill combination of telmisartan/ hydrochlorothiazide 80/25 mg in Chinese and Korean patients with moderate to severe hypertension： a subgroup analysis of a randomized, double-blind, active-controlled trial

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Chinese Medical Journal 2013年第21期126卷 4072-4077页

作者： Zhu Ding-liang Gao Ping-jin Liu Shao-wen Jeong, Myung Ho Mattheus, Michaela Voelker, Birgit Shanghai Ruijin hosp Shanghai Inst Hypertens Shanghai 200025 Peoples R China Shanghai Jiao Tong univ Coll Med Shanghai Peoples Hosp 1 Dept Cardiol Shanghai 200080 Peoples R China chonnam natl univ hosp Heart Res Ctr Kwangju South Korea Boehringer Ingelheim Int GmbH Ingelheim Germany

Background Hypertension is an important issue in Asia, responsible for up to 66% of cardiovascular disease cases. This randomized controlled trial subgroup analysis compared telmisartan 80 mg （T80）/hydrochlorothiazi... 详细信息

关键词： Chinese hydrochlorothiazide hypertension Korean single-pill combination telmisartan

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消化性溃疡出血采用机械止血联合肾上腺素注射与单用肾上腺素注射对比:前瞻性随机试验

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世界核心医学期刊文摘（胃肠病学分册） 2005年第2期1卷 29-29页

作者： Park C.-H. Joo Y.-E. Kim H.-S. 程欣 Division of Gastroe nterology Department of Internal MedicineChonnam Natl. Univ. Medical School Gw angju South KoreaDr.

Background The hemostatic efficacy of mechanical methods of hemostasis, togeth er with epinephrine injection, was compared with that of epinephrine injection a lone in bleeding peptic *** Ninety patients with a peptic ulcer with a ctive bleeding or a non-bleeding visible vessel were randomly assigned to under go a mechanical method of hemostasis (23 hemoclipapplication, 22 band ligation) plus epinephrine injection, or epinephrine injection alone. Results The two grou ps were similar with respect to all background variables. Initial hemostasis was achieved in 44/45 (97.8%) patients in both groups. The mean number of hemoclip s and elastic bands applied were 2.8: 95%CI> and 1.1: 95%CI> , respectively,and the mean volume of epinephrine injected was 19.9 mL:95%CI>. The rate of recurrent bleeding in the combination group (2/44, 4.5%) was significantly lower in comparison with the injection group (9/44, 20. 5%, p >) was significantly lower vs. the injection group (1.22: 95%CI>). Conclusi ons The combination of an endoscopic mechanical method of hemostasis plus epinep hrine injection is more effective than epinephrine injection alone for the treat ment of bleeding peptic ulcer.

关键词：肾上腺素注射消化性溃疡出血前瞻性随机试验止血夹胶圈套扎止血率活动性出血血管出血治疗次数再出血

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