bdc

Therefore , research on preoperative diagnosis techniques of BDC must has important clinical value .

因此，胆管癌术前定性诊断技术的研究具有很高的临床价值。

The Application of ETL Using in the System of BDC

ETL在银行数据中心系统中的应用

Three types BDC is proposed in the dissertation , and the related problems are researched .

本文以三种类型的BDC为主线对相关问题进行了研究。

Application Technique of BDC Bit on Site

BDC钻头的现场应用技术

The BDC height is measured by liner sensor for automatic offset .

线性传感器测量下死高度，并自动进行修正。

Construction of the BDC in the Broadband Network

宽带城域网数据中心的建设

Forward-flyback hybrid BDC with different forward and flyback transformer turns ratio

变压器匝比不同的正反激组合式双向DC-DC变换器

Finally , according to the main factors of influence punch BDC accuracy , and put forward relevant improvement measures .

最后，针对影响冲床下死点精度的主要因素，提出相关改善措施。

After that , a design method that is called block diagonal controller ( BDC ) is proposed .

然后提出了一种由逆解所组成的块对角控制器的设计方法。

BDC International Limited was founded in1999 , headquartered in Hong Kong .

BDC国际有限公司成立于1999年，总部设在香港。

By using the rational control strategy , the parallel BDC can achieve two-way flow of energy and sharing of current .

在研究现状的基础上，本文提出了BDC并联拓扑结构，通过合理的控制策略，不仅可以实现能量的双向流动，而且电流近似平均分配。

Objective To study characteristics of oligosaccharides of bile duct carcinoma ( BDC ) related glycoproteins in bile .

目的探讨与胆管癌相关的胆汁糖蛋白的糖链结构特点。

Small dosage of FGM by method of artery embolization could produce a high BDC level for a longer time in local region .

使用氟尿嘧啶明胶微球进行栓塞可以在较小的用药剂量上在局部维持相对较长时间的较高的血药浓度。

Semiquantitative RT-PCR determination of specific glycosyltransferases may be helpful for diagnosis and prognosis of BDC .

采用半定量RTPCR检测糖基转移酶的表达，将有助于对胆管癌的诊断和预后判断。

In fuel cell power system , energy storage device and bi-directional dc-dc converter ( BDC ) are employed to improve the system dynamic performance .

在燃料电池供电系统中，一般加入储能元件和双向变换器来辅助供电，以提高整个系统的动态性能。

BDC was kept a longer time by vein drop , while there was no significant difference between circulating and local drug concentration .

静脉滴注法血药浓度维持时间较长，但局部与全身血药浓度无显著差异；

So the exhaust valve opens before BDC and closes after TDC .

因此排气门在下止点之前打开，在上止点之后关闭。

Results Three percent of BDC patients and 2.5 % of NDBC patients had a history of HBV infection before hospitalization .

结果：胆管癌和良性胆道疾病患者既往乙型肝炎病毒（HBV）感染率分别为3%和2.5%；

The influence of bombardment-diffused coatings ( BDC ) on corrosion resistance of metals in the seawater

离子束轰击涂层（BDC）对钢材耐海水腐蚀的影响

Conclusions combination of bile dlba and CEA assay is helpful to the diagnosis of bdc .

结论胆汁蔓陀罗凝集素结合活力联合癌胚抗原测定有助于胆管癌的诊断。

After the piston reaches BDC , or the lower limit of its travel , it begins to move upward .

在活塞到达下止点时，或者是活塞下限时，活塞开始向上运动。

Based on the principles of active clamp forward-flyback BDC , a family of bi-directional DC-DC converter is proposed .

最后，给出了一族基于正反激原理的双向DC&DC变换器。

The two-stage BDC has the advantages of ZVS switching , high power density , convenient to optimum design and convenient to modularize .

级联式BDC具有：两部分可分别优化设计、功率密度高、适于大变比变换的应用等优点。

The Heterogenous Polymerization of Acrylamide Initiated by BDC

BDC引发丙烯酰胺的非均相聚合反应

This mode requests combustion heat release in BDC nearly and most of fuel should be injected into the cylinder as far as possible before ignition .

其燃烧方式要求燃烧放热在上止点附近，并且在着火前尽量将全部燃油喷入缸内，实现预混合燃烧以代替传统的空间雾化燃烧方式的扩散燃烧。

BDC is the two-quadrant operating DC / DC converter , it can achieve the transmission of energy in either direction and have wide application prospects .

BDC是直流变换器的双象限运行，可以实现能量的双向传输，具有广阔的应用前景。

BDC ( Bi-directional DC-DC Converter ) is a two-quadrant operating DC-DC converter , through which the power can flow in either direction .

双向DC/DC变换器（Bi-directionalDC-DCConverter，BDC）是一种可在双象限运行的直流变换器，能够实现能量的双向传输。

" After the piston has passed through BDC and starts up again , it passes Both ports , thus sealing them off . "

在活塞通过下止点，并开始上升时，活塞经过进气口和排气口，将其堵

Results A transient higher blood drug concentration ( BDC ) was produced by artery perfusion but a longer time of BDC maintainance was achieved through venous infusion .

结果动脉灌注法可以产生局部较高的血药浓度，但维持时间较短；

The serological markers for HBV could be assayed in 29 % of BDC patients and 21 % of NDBC patients with significant differences between the two groups .

29%的胆管癌病例可以检出HBV的血清标志物，而良性胆道疾病病例HBV血清标志物的检出率为21%，二者有显著差异。