squeeze a tear
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Results Preoperative MRI classification indicated: intact annuals in 82 levels, annuals tear with intact PLL in 123 levels, PLL tear in 70 level, free protruded mass under PLL in 48 levels; on the other hands, the amount of annuals tear and free protruded mass under PLL introoperative observation were more than that preoperative MRI indicated: intact annuals in 38 levels, annuals tear with intact PLL in 165 levels, PLL tear in 62 level, free protruded mass under PLL in 63 levels; dural sac penetration in 2 levels.
结果: MRI术前分型:纤维环完整者81个椎间隙、纤维环破裂后纵韧带完整者123个椎间隙、后纵韧带破裂者70个椎间隙、髓核后纵韧带后方游离者48个椎间隙。手术发现纤维环破裂数量以及后纵韧带后方游离髓核片数量明显高于MRI的提示:纤维环完整型38个椎间隙、纤维环破裂后纵韧带完整165个椎间隙、后纵韧带破裂髓核疝62个椎间隙、后纵韧带后方游离髓核63个椎间隙、硬膜囊下疝2个椎间隙。
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The fluid film bearing-flexible rotor nonlinear system with squeeze film damper is modeled practically using the finite element method and the Hamilton principle.(3) The film forces produced by fluid film bearing and squeeze film damper are determined by finite element method at any moment, and the Jacobian matrix is also determined.(4) A method for analyzing the dynamics of a large system with local nonlinearities is presented. The stability and bifurcation of the equilibrium position and the unbalance responce of a fluid film bearing-flexible rotor system with squeeze film damper are investigated based on the assumption of an incompressible lubricant together with the long bearing approximation for fluid film bearing, short bearing approximation for squeeze film damper and the"π"film cavitation model.
主要研究内容包括下面几个方面:(1)对挤压油膜阻尼器-滑动轴承-转子非线性动力系统中的非线性现象进行了机理方面的研究;(2)应用有限元方法及Hamilton原理对复杂的挤压油膜阻尼器-滑动轴承-转子非线性动力系统进行了建模分析;(3)对滑动轴承及挤压油膜阻尼器中任一时刻的油膜力及相应的Ja-cobi矩阵的确定进行了分析;(4)对一类具有局部非线性的多自由度动力系统,提出了一种可以有效地分析其动力特性的方法;(5)采用实验与理论分析相结合的方法,对挤压油膜阻尼器-滑动轴承-转子非线性动力系统的动力特性进行了分析。
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Diabetes mellitus is a kind of chronic and worldwide disease, and tight glycemic control is critical in manging DM and preventing complications such as nephropathy, neuropathy and retinopathy. In order to relieve DM patients pain and decrease the risk of crossinfection, noninvasive ways to monitor blood glucose concentrations are preferred, and one approach is to monitor glucose concentrations in tear fluid. This review covers recent understanding of features of tear fluid and relevant changes in DM, the influence of different collecting methods in tear glucose concentration, and attempts to monitor tear glucose concentration in situ by using contactlens based sensing devices.
糖尿病(diabetes mellitus,DM)是一种慢性疾病,也是一种全球性疾病,糖尿病患者长期理想控制血糖有助于防止或延缓糖尿病肾病、神经病变和糖尿病视网膜病变等慢性并发症的发生,为了减少患者的痛苦和降低交叉感染发生的危险,人们想到了通过泪糖浓度这一无创指标来监测血糖控制情况的可能性,我们综合近年的相关研究进展,从泪液的特性及糖尿病患者的相关改变、不同收集方法对泪糖浓度的影响及检测泪糖浓度的产品等方面进一步探讨泪糖浓度作为糖尿病病情评价指标的可行性。
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squeeze a tear hypocritically:假惺惺地挤出一滴眼泪
shed crocodile tears 猫哭老鼠假慈悲 | squeeze a tear hypocritically 假惺惺地挤出一滴眼泪 | tears stream down one's cheeks 泪水从脸颊上淌了下来
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squeeze out a tear:勉强挤出一滴眼泪
smile through one's tears 含泪微笑 | squeeze out a tear 勉强挤出一滴眼泪 | water sth.with one's tears [废]用眼泪来浇某物
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squeeze out a tear:勉强挤出一滴眼泪,装哭
shed tears abundantly泪如泉涌 | squeeze out a tear勉强挤出一滴眼泪,装哭 | waste tears on......为......白流泪