Still, this month's53% stock-price drop could prompt some of Citigroup's trading partners to start'pulling away,'says Roger Lister, chief credit offer of credit-rating firm DBRS.

"This one is our report on the deal," he says, pointing to the much thicker of the two. "This little Doily underneath is the DBRs report."

他指着比较厚的一份说：“这是我们做的交易报告，下面这份桌垫一样薄的是dbrs的报告。”

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Accordingly, the I-V characteristics of N and P type DBRs due to three kinds of current mechanisms: the drift-diffusion, pure drift and thermionic emission currents, have been analyzed theoretically.

并以此为依据，从理论上分别分析和比较了多子漂移扩散、纯漂移和热电子发射电流机制所起的作用。

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Based on cavity quantum electrodynamics and physics of quantum well, the spontaneous emission spectra in quantum well micro cavity lasers with DBRs have been calculated.

应用腔量子电动力学和量子阱物理，计算了量子阱DBR微腔激光器的自发发射谱。

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The spectral transmission characteristics of F-P cavity with DBRs as reflectors has been studied.

研究了利用DBR反射镜做为F-P腔镜面的光谱透射特性。

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As the DBSA doping concentration increased, the PAN solution conductivity was increasing, the average diameter of fibers was gradually decreasing.

实验结果表明：随着十二烷基苯磺酸掺杂浓度的增加，聚丙烯腈溶液的电导率增大，纤维的平均直径逐渐降低，纤维的直径分布变窄。

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Single-user mode allowed only the user informix or a member of the DBSA group to connect to the database server.

单用户模式只允许用户informix或DBSA组成员连接到数据库服务器。

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Use emulsion polymerization to produce soluble and conductive polyaniline ( PAn) with DBSA doped.

采用乳液聚合方法，合成有机大分子酸DBSA掺杂的可溶导电聚苯胺。

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Study on structure and performance of DBSA re-doped polyaniline grafted multi-walled carbon nanotubes composite

DBSA二次掺杂聚苯胺接枝多壁碳纳米管复合材料的结构与性能研究

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The file must belong to the DBSA group.

该文件必须属于DBSA组。

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Infrared spectrum showed DBSA had better doping effect on CBP.

红外光谱说明DBSA对CBP起到了较好的掺杂作用。

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Polyaniline were polymerized from aniline by oxidation polymerization and emulsion polymerization. The effect of conditions, such as solvent, synthetic method, conductive state, reaction temperature and usage of DBSA on the solubility of polyaniline were studied.

以苯胺氧化聚合和乳液聚合两种方法合成聚苯胺（PAn），研究了溶剂、聚合方法、反应温度、导电态、十二烷基苯磺酸用量等因素对聚苯胺溶解性的影响。

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Based on the static elastic-plastic analysis and the idea of Performance-Based Seismic Design ( DBSD), the capacity spectrum method was applied to find the performance point and evaluate the seismic performance of the frame reinforced partially with fiber.

在静力弹塑性分析的基础上，考虑基于性态（性能）的设计思想，采用能力谱方法确定性能点，对局部纤维增强框架的抗震性能进行评定。

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Piers with different heights, diameters, and axial load ratios are designed with both FBSD method and DBSD method, and then the results are compared.

对具有不同墩高、不同轴压比以及不同直径的桥墩分别采用基于强度和基于位移的设计方法进行了抗震设计，并对设计结果进行了比较。

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Displacement-based seismic design ( DBSD) is an effective way to realize the philosophy of performance-based design ( PBSD), which has received increasing attention.

基于位移的抗震设计方法作为实现基于性能抗震设计思想的一种有效途径，越来越受到各国学者的关注。

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The displacement demands of symmetric and asymmetric continuous girder bridges in longitudinal direction are studied, and then a DBSD method is proposed, an example is given.

分别对纵桥向对称和不对称的连续梁桥的固定墩墩项位移需求进行了研究，在此基础上提出了连续梁桥纵桥向基于位移的抗震设计方法，给出了该方法的算例。

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Continuous girder bridges with different design diameters are designed in longitudinal direction with both FBSD method and DBSD method, and their results are compared.

对具有不同设计参数的连续梁桥分别采用基于强度与基于位移的设计方法进行了纵桥向的抗震设计，并对设计结果进行了比较。

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The procedure for direct Displacement-Based Seismic Design ( DBSD) method of frame-shear wall structures is briefly introduced.

简述了框架-剪力墙结构直接基于位移的抗震设计过程。

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Its PostgreSQL is a distributed DBMS and can combine all the DBSs from every sector distributed in different sites of the college relying on the CN so as to constitute a multi-database academic information management network system.

该系统采用PostgreSQL为分布式数据库管理系统，依托校园网，将分布于不同场地的各个部门的数据库系统连接起来，构成一个多数据库网络教务信息管理系统。

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Methods: One hundred and three CBP patients were randomly assigned to three different groups and received three different therapies, respectively: ① 61 cases by transurethral perfusion and drainage with antibiotics with DBTC catheter;

方法：103例慢性细菌性前列腺炎病人分为3组接受不同治疗：①导管组，61例，经尿道双囊三腔导管灌注引流；

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Objective: To investigate the efficacy of the double balloon and triple channel catheter ( DBTC) in the treatment of chronic bacterial prostatitis ( CBP).

目的：研究双囊三腔前列腺灌注引流导管在治疗慢性细菌性前列腺炎中的作用。

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