brb

strengthening strategies include strengthening with braces, strengthening with brb and strengthening with dampers. design strategies include increasing the column sections, increasing the confinement of hoops, and increasing the seismic fortification intensity.

结构加固方法包括加普通支撑、加BRB支撑、加阻尼器方案；重新设计方法包括增大柱子截面、提高箍筋约束效果、提高设防烈度等方案。

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methods: after the model of retinal moderate blast injury was established in rabbits, the morphological changes of brb and the therapeutic effects of sod and dexamethasone on them were observed with colloidal lanthanum tracing.

方法：建立兔视网膜中度冲击伤动物模型，采用硝酸镧示踪剂观察伤后血视网膜屏障的改变及药物治疗效果。

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the chinese medicine dgh capsule can prevent the vessel leakage by damage of brb, and dgh capsule can protect the visual function of the stz diabetic rat.

中药DGH可减少BRB的损害引起的血管渗漏和保护STZ大鼠的视功能。

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this paper compared the steel volumes of both the brb and the general braces. the results showed that: the steel volumes of brb were always less than the general braces' under the different loads.

本文比较了屈曲约束支撑和普通支撑两者的用钢量情况，结果表明：在不同荷载作用下，屈曲约束支撑的用钢量均比普通支撑的用钢量小。

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One thing worthy of note is that the detection limit of BRB is at the parts per billion level, which can satisfy the requirement of Environmental Protection Agency ( EPA).

值得一提的是，BRB检测极限甚至可达ppb级，达到了环境保护局（EPA）对汞离子的检测要求。

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through reasonable design, brb will yield and consume energy firstly instead of buckling, performing good seismic behavior in big earthquakes.

通过合理的设计，防屈曲支撑能够在大震时率先屈服耗能而不发生屈曲，表现出良好的抗震性能。

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With the finite element software, the BRB space model was set up by a special way.

利用有限元软件，采用特殊的建模方式建立了屈曲约束支撑的空间模型。

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The results showed that: compared with the general brace, the BRB could play a more prominent role in reducing the interlayer displacement and consuming seismic energy.

结果表明：与普通支撑相比，屈曲约束支撑在减小层间位移、消耗地震能量方面均能够发挥更显著的作用。

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then the work principle in different design situations and stability of brb are analyzed thoroughly, and the related formulas are derived, including requirements of overall stability, core element stability and connection stability.

其次深入分析了防屈曲支撑在不同设计状态时的工作机理，并对防屈曲支撑的稳定性进行了分析，推导了相关的公式，包括整体稳定、核心单元稳定和连接部分稳定的要求等。

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Objective To verify the effect of Evans blue dye on determining the retina blood vessel leakage.

目的探讨能否应用伊凡思蓝(evansblue,EB) 作为示踪物定量诊断血视网膜屏障破坏(blood-retinalbarrierbreakdown,BRBB).

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brb system consists of a series of confidence rules, which in essence is a kind of expert system, and it can effectively use various types of information to set up the nonlinear model between input and output.

BRB系统由一系列置信规则组成，它本质上是一种专家系统，能够有效利用各种类型的信息，建立输入和输出之间的非线性模型。

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It provides a reliable test data for BRB technology used in concrete frame.

本文研究结果验证了防屈曲支撑应用于混凝土结构的可行性，为防屈曲支撑技术在混凝土结构上的应用提供了可靠的试验数据。

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based on the finite element software, this paper studied the buckling restrained brace ( brb) of the yield capacity and ultimate capacity with the finite element method, and analyzed the influence factors of brb.

本文基于有限元软件，研究了屈曲约束支撑的屈服承载力和极限承载力的分析方法，并分析了屈曲约束支撑屈服承载力的影响因素。

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a new type of buckling restrained brace ( brb) is designed against the shortages of traditional brb in application area.

针对传统防屈曲耗能支撑在应用上的缺点，设计了一种新型防屈曲耗能支撑。

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and the effect of the optimization methods in this paper will be demonstrated by the results of an example comparing the full-drift-angle method and the energy method with the non-optimal general method of designing brb structure using the programs.

并利用所编程序将满位移角法和能量法与目前布置防屈曲支撑常用的方法进行对比，验证本文所提出优化方法的优化效果。

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the initial form of brb is composed of core material of low yield and steel pipe filled with concrete. in present, the core section type of the most popular brb are ─ and+. recently, t-shaped cross section appeared.

最初的BRB形式是由低屈服材质的芯材和内填混凝土的钢管组成，目前最为流行的BRB为内核芯材截面形式为&和+字形两种，最近还出现了T形截面。

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the knowledge expression is achieved through the brb expert system, and knowledge reasoning is realized through the evidence reasoning ( er) algorithm.

其中，知识的表达通过置信规则库（BRB）专家系统来实现，而知识的推理则通过证据推理（ER）算法实现。

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According to the researches and analysis above, the feasibility to use the new-style BRB as a monitoring component was verified.

从研究分析可知，该新型抑制屈曲支撑作为监测构件是可行的。

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thus, we speculate that escin may amplify the protective effects of glucocorticoid on brb ( synergistic protective effect) by increasing the expression of the glucocorticoid receptor.

由此我们推测，七叶皂苷有可能通过提高糖皮质激素受体的表达，进而促进糖皮质激素对血-视网膜屏障的保护作用（协同保护作用）。

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This paper firstly presents a summary of buckling-restrained braces ( BRBs ).

本文首先介绍了屈曲约束支撑( BRB ) 的最新研究进展.

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at last, depending on the domestic and foreign development and application of brb, some proposals are put forward in further research, application and popularization in our country as well as forecasting the future trend of development.

最后结合当前防屈曲支撑在国内外的发展和应用情况，提出了我国进一步研究、应用、推广防屈曲支撑的若干问题和建议，对未来发展趋势进行了展望。

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