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Reservoir water effects on earthquake performance evaluation of Torul Concrete-Faced Rockfill Dam

Water Science and Engineering 2009年第1期2卷 43-57页

作者： Alemdar BAYRAKTAR Murat Emre KARTAL hasan basri basaga Department of Civil Engineering Karadeniz Technical University Department of Civil Engineering Zonguldak Karaelmas University

This study presents earthquake performance analysis of the Torul Concrete-Faced Rockfill （CFR） Dam with two-dimensional dam-soil and dam-soil-reservoir finite element models. The Lagrangian approach was used with fluid elements to model impounded water. The interface elements were used to simulate the slippage between the concrete face slab and the rockfill. The horizontal component of the 1992 Erzincan earthquake, with a peak ground acceleration of 0.515g, was considered in time-history analysis. The Drucker-Prager model was preferred in nonlinear analysis of the concrete slab, rockfill and foundation soil. The maximum principal stresses and the maximum displacements in two opposite directions were compared by the height of the concrete slab according to linear time-history analysis to reveal the effect of reservoir water. The changes of critical displacements and principal stresses with time are also shown in this paper. According to linear and nonlinear time-history analysis, the effect of the reservoir water on the earthquake performance of the Torul CFR Dam was investigated and the possible damage situation was examined. The results show that the hydrodynamic pressure of reservoir water leads to an increase in the maximum displacements and principal stresses of the dam and reduces the earthquake performance of the dam. Although the linear time-history analysis demonstrates that the earthquake causes a momentous damage to the concrete slab of the Torul CFR Dam, the nonlinear time-history analysis shows that no evident damage occurs in either reservoir case.

关键词： earthquake performance evaluation concrete-faced rockfill dam dam-soil-reservoir interaction Drucker-Prager model interface element Lagrangian approach nonlinear time-history analysis

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A statistical approach to classification of keratoconus

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International Journal of Ophthalmology(English edition) 2016年第9期9卷 1355-1357页

作者： Murat Ucar hasan basri Cakmak Baha Sen Department of Computer Engineering Karabk University Faculty of Engineering Department of Ophthalmology Hacettepe University Faculty of Medicine Department of Computer Engineering Yildirim Beyazit University Faculty of Engineering and Natural Sciences

INTRODUCTIONThe front portion of the eye consists of a transparent layer called the *** cornea is an important optical component for vision and plays a role in the specific refraction of the *** cornea normally has convexity but the amount of protrusion progressively increases in patients with *** other words,the cornea prolapses *** is a bilateral,typically asymmetric and non-inflammatory degeneration of the cornea caused by corneal protrusion as a result of progressive thinning of the corneal *** thinning generally occurs in the inferior,inferotemporal or central regions of the cornea.

关键词： A statistical approach to classification of keratoconus

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Corneal white-to-white distance and mesopic pupil diameter

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International Journal of Ophthalmology(English edition) 2012年第4期5卷 505-509页

作者： hasan basri Cakmak Nurullah Cagil Huseyin Simavli Sabri Raza Yildirim Beyazit Universitesi Ataturk Egitimve Arastirma HastanesiBilkent yolu No: 3 Bilkent Ankara Turkey Bolu State Hospital Bolu Turkey Ankara Atatürk Education and Research Hospital Ankara Turkey

·AIM:To study the relationship between corneal white-to- white (WTW) distance and mesopic pupil diameter. ·METHODS:This study is composed of 30 cases that underwent photorefractive keratotomy (PRK). Pupil size measurements were performed with Schwind ORK wavefront analyzer in mesopic conditions. WTW distance was measured with a measuring caliper. Also, A-scan ultrasound examination was performed in all patients. The relationship among the mesopic pupil diameter and age, sex, axial length, lens thickness, anterior chamber depth(ACD), horizontal WTW distance, vertical WTW distance, spherical equivalent, and average keratometry were analyzed with univariate and multivariate regression analysis. ·RESULTS:Mean pupil diameter was (6.39±0.80)mm (range:3.70mm to 7.73mm. Horizontal WTW distance measurements were between 11.00mm and 12.50mm and mean horizontal WTW distance was (11.79±0.43)mm. On the other hand, vertical WTW distances ranged between 10.00mm and 13.00mm, and their mean was(11.42±0.72)mm. Bivariate correlation between pupil diameter and other variables showed that the axial length, ACD, spherical equivalent, and horizontal WTW distance had a moderate correlation with mesopic pupil diameter. Multiple regression analysis revealed that spherical equivalent and horizontal WTW distances were significantly associated with mesopic pupil diameter (R =0.598, R 2=0.358 P =0.02). ·CONCLUSION:This study shows that mesopic pupil diameter is closely related to horizontal WTW distance. These two factors must be taken in consideration together in preoperative ablation zone planning.

关键词： mesopic pupil diameter photorefractive keratectomy white-to-white distance

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Effectivity of intraoperative adjustable suture technique in horizontal strabismus

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International Journal of Ophthalmology(English edition) 2013年第4期6卷 492-497页

作者： Ayse Gul Kocak Altintas hasan basri Arifoglu Inci Kocak Midillioglu Elif Damar Gungor Saban Simsek S.B.Ulucanlar Eye Training and Education Hospital No:59 06340 AltindagAnkaraTurkey Department of Ophthalmology S.B.Kayseri Training and Education HospitalSanayi Mah.Atatürk Boulevard Hastane Street No:78 38010 KayseriTurkey Davis Eye Clinic 4860 Y St.Suite 2400SacramentoCA 95817USA Department of Ophthalmology S.B.Malatya State HospitalAnkara cd.zalper mh.No:4MalatyaTurkey Department of Ophthalmology S.B.Haydarpasa Numune Training and Education HospitalTibbiye Cad.No:40 sküdaristanbulTurkey

AIMTo compare the long-term effectivity of intraoperative adjustable suture technique with traditional non-adjustable strabismus surgery.

关键词： adjustable suture strabismus surgery esodeviation exodeviation

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The role of potassium channels in the relaxation of bovine coronary artery induced by hydrogen peroxide.

The role of potassium channels in the relaxation of bovine c...

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第十五届国际药理学大会

作者： hasan basri Ulusoy Gülhane Military Medical Academy Department of PharmacologyAnkaraTURKEY

＜正＞ Endothelium-derived hyperpolarizing factor （EDHF） hyperpolarizes vascular smooth muscle by opening K+ channels and then elicits vasodilatation. Currently, hydrogen peroxide （H2O2） is a major candidate for EDHF. The aim of this study was to investigate the effect of H2O2 and the relation of this effect with K+ channels in bovine coronary artery. H2O2（10-7-10-2M） relaxed bovine coronary artery strips contracted with PGF2α（10-5 M）, in tissue baths （Emax: 94.2±3 % ）. Removal of endothelium did not change the effect of H2O2. The relaxation was not affected by tetraethylammonium （10-4M, inhibitor of Ca+2-activated K+ channels）, charybdotoxin （10-7M, inhibitor of Ca+2-activated K+ and voltage sensitive K+ channels） but inhibited by glibenclamide （10-6 M, inhibitor of ATP-sensitive K+ channels） significantly （Emax:54.5±2 %;P ＜ 0.05）. On the other hand, H2O2 did not relax arteries contracted with 80 mM K+ solution . It is concluded that H2O2 induces endothelium independent relaxation in bovine coronary artery and this relaxation is mediated, in part, by activation of ATP- sensitive K+ channels. This conclusion supports the reports stating that H2O2 can be an EDHF.

关键词： hydrogen peroxide coronary artery

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Short-term effects of intravitreal triamcinolone acetonide injection on ocular blood flow evaluated with color Doppler ultrasonography

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International Journal of Ophthalmology(English edition) 2014年第5期7卷 811-815页

作者： Mustafa Alpaslan Anayol Yasin Toklu Elif Asik Kamberoglu Sabri Raza hasan basri Arifoglu Huseyin Simavli Ayse Gul Kocak Altintas Saban Simsek Ulucanlar Eye Training and Research Hospital Department of Ophthalmology Ataturk Training and Research Hospital Department of Radiology Kecioren Training and Research Hospital Department of Ophthalmology Kayseri Training and Research Hospital Department of Ophthalmology Bolu Izzet Baysal State Hospital Department of Ophthalmology Yildirim Beyazit University School of Medicine

AIM:To evaluate the changes in ocular blood flow with color Doppler ultrasonography(CDU) after intravitreal triamcinolone acetonide(IVTA) ***:A total of 46 patients who underwent IVTA(4 mg/0.1 mL) injection for diabetic macular edema(DME)(n =22), central retinal vein occlusion(CRVO)(n =12) and choroidal neovascular membrane(CNVM)(n =12) were included in the study. Peak systolic velocity(PSV), end diastolic velocity(EDV) and resistivity index(RI) were measured from the ophthalmic artery(OA), the central retinal artery(CRA) and the posterior ciliary artery(PCA)of each patient with CDU before, at the end of the first week and at the end of the first month following IVTA ***:In the DME group, PSV of OA at the first of the first month(mean ±SD)(37.48 ±10.87 cm/s) increased compared to pre-injection value(31.39 ±10.84 cm/s)(P =0.048). There was a statistically significant decrease(P =0.049) in PSV of CRA at the end of the first month(7.97±2.67 cm/s) compared to the pre-injection(9.47±3.37 cm/s).There was not any statistically significant difference onthe other parameters in the DME group. Also, there was not any statistically significant difference on the ocular blood flow values in the CRVO and CNVM ***:We observed that 4 mg/0.1 mL IVTA increased PSV of OA and decreased PSV of CRA in DME patients and did not have any effect on ocular blood flow values of CRVO and CNVM patients.

关键词： intravitreal triamcinolone acetonide ocular blood flow diabetic macular edema central retinal vein occlusion choroidal neovascular membrane

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比较糖尿病和非糖尿病患者超声乳化术超乳参数和黄斑厚度的变化（英文）

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国际眼科杂志 2016年第2期16卷 201-206页

作者： Ayse Gul Kocak Altintas Pinar Coban hasan basri Arifoglu Gultekin Koklu Pehmen Yasin Ozcan Kenan Sonmez Ulucanlar眼科教育与研究医院眼科土耳其安卡拉06240 开塞利教育与研究医院眼科土耳其开塞利38010

目的:调查无视网膜病变的糖尿病和非糖尿病患者接受普通白内障手术时,应用具有前房稳定环境(CASE)和加强控制和效率(ICE)的微脉冲超乳技术对患者超乳参数和黄斑中心凹厚度(CFT)变化的影响。方法:前瞻性研究。研究包含120例患者,其中60... 详细信息

目的:调查无视网膜病变的糖尿病和非糖尿病患者接受普通白内障手术时,应用具有前房稳定环境(CASE)和加强控制和效率(ICE)的微脉冲超乳技术对患者超乳参数和黄斑中心凹厚度(CFT)变化的影响。方法:前瞻性研究。研究包含120例患者,其中60例患者为2型糖尿病患者,设为糖尿病组(无视网膜病变),另60例设为对照组。所有患者均接受普通白内障超声乳化术。术中记录超乳参数,包括超乳时间和有效超乳时间。术前和术后1、3mo检测记录CFT并计算每次检测中CFT的差异。结果:糖尿病组的平均超乳时间为1.40±0.43min,而对照组为1.44±0.32min,差异无统计学意义(P=0.85)。糖尿病组平均有效超乳时间为20.12±8.82s,对照组为19.24±9.02s,差异无统计学意义(P=0.964)。糖尿病组术前平均CFT为218.4±12.0μm,对照组为222.1±16.6μm,差异无统计学意义(P=0.168)。术后1mo糖尿病组CFT平均增加30.3±37.2μm,对照组平均增加13.1±12.5μm。术后1mo两组CFT明显增加,糖尿病组显著高于对照组(P=0.001)。术后3mo糖尿病组和对照组的平均CFT较术前分别增加12.5±12.4μm与4.6±9.7μm。糖尿病组CFT的增加显著高于对照组(P=0.00)。但分别比较糖尿病组和对照组术后1mo至3mo平均CFT变化,会发现两组均显著减少(P=0.00,P=0.03)。结论:普通超乳手术会使CFT显著增加。糖尿病组和对照组的超乳参数相似。糖尿病组CFT变化大于对照组,但这些症状大部分表现为亚临床,并且仅显示于光学相干断层扫描(OCT)的改变。术后3mo这种变化会恢复或消失,无需治疗。

关键词：白内障超声乳化术糖尿病致黄斑水肿超乳时间有效超乳时间

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论前定与自由:哈桑·巴士里致阿卜杜·麦立克的一封信

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中国穆斯林 2022年第2期 15-20页

作者：哈桑·巴士里马斌(译) 穆卫宾(校) 不详宁夏大学法学院中国伊斯兰经学院

哈桑·巴士里(642-728)是伊斯兰教早期著名的圣训学家、教义学家,他曾和伍麦叶王朝第五任哈里发阿卜杜·麦立克(646-705)有过书信往来,在信中他向哈里发详细阐述了关于前定与自由的观点。在一些中世纪的阿拉伯《书目》以及教义学著作中... 详细信息

哈桑·巴士里(642-728)是伊斯兰教早期著名的圣训学家、教义学家,他曾和伍麦叶王朝第五任哈里发阿卜杜·麦立克(646-705)有过书信往来,在信中他向哈里发详细阐述了关于前定与自由的观点。在一些中世纪的阿拉伯《书目》以及教义学著作中都曾提到哈桑·巴士里著有论述前定的一封书信,但是这封书信的阿拉伯原文,直到1933年才由赫尔穆特·里特(Hellmut Ritter)编辑公开出版①。这个编辑本基于在伊斯坦布尔发现的两个抄本,即圣索菲亚博物馆抄本(编号:1589)和科普吕律博物馆抄本(编号:3998),前者为14世纪中期的手抄本,后者抄写于1477年。赫尔穆特版本中的大部分内容由迈克尔·施瓦兹(Michael Schwarz)于1967年翻译为英文②,后来收录在安德鲁·里潘(Andrew Rippen)和扬·克纳珀(Jan Knapper)所编的《伊斯兰研究文本来源》,③这也是哈桑·巴士里这封书信的唯一英译本。后来在德黑兰大学图书馆又发现第三个抄本(编号:1022),抄写时间为1360年左右。苏莱曼·穆拉德于2006年对照三个手抄本,出版了一个全面的阿拉伯文注释本以及德黑兰大学图书馆抄本的独立校勘本。④此中译文本依据迈克尔·施瓦兹英译本译出,根据苏莱曼·穆拉德编辑的阿拉伯文版本进行校勘,译文所引《古兰经》经文除特殊说明外,均引用马坚先生译本。

关键词：苏莱曼穆拉德施瓦兹德黑兰大学哈桑圣训学阿卜杜书信往来

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