A monolithic current mode DC-DC buck converter with internal compensation is presented.

It is consisted of control circuit, main circuit, detected circuit and DC-DC power supply circuit.

整个系统由四个部分构成,主控制电路部分 、 主电路部分 、 检测电路部分、DC -DC 电源部分.

A dynamic slope compensation circuit applied to boost DC-DC converters is introduced in this paper.

介绍一种用于升压型DC-DC转换器的动态斜坡补偿电路.

This paper analyzes a zero-voltage-switching ( ZVS ) bi-directional DC-DC converter.

该文分析了一种零电压 ( ZVS ) 双向 DC—DC 变换器.

A current mode DC-DC buck converter with high stability is presented.

提出了一种高稳定性的电流型DC-DC转换器.

This paper presented a novel circuit for equalizing a connected ultra-capacitor stack based on DC-DC converter.

介绍一种基于DC -DC 变换器的新型串联电容器组电压均衡电路.

A novel integrated CMOS current-sensing circuit for current-mode DC-DC buck converters is presented.

针对电流模降压型DC -DC 变换器,提出了一种新颖的CMOS片上电流采样电路.

Designers of high-performance isolated dc-dc power converters are always striving for higher efficiency and smaller size.

高性能隔离DC -DC 电源转换器设计人员通常会尽力提高效率并减小尺寸.

DCA up-regulated the expression of AP-l ( c-Jun c-Fos ) and COX-2 in a dose dependent manner.

DCA能上调AP -1 ( c -Jun 、c-Fos ) 蛋白及COX -2 蛋白表达,呈浓度依赖性.

Results: 200 μ M DCA induced cell proliferation and COX-2 mRNA transcription.

结果: 200μMDCA可以 促进HT-29 细胞的增殖,并诱导COX -2 mRNA的转录、COX-2蛋白的表达及PGE2的合成.

Methods: 33 post-thoracotomy patients were divided into DCA, PCEA and PCIA groups.

方法: 将开胸术后病人33例随机平均分入DCA组 、 PCEA组、PCIA组.

In this case, LSS-DCA aligned the sequences with the same way as ClustalW.

在这种情况下, LSS-DCA的策略就不起作用,只采用ClustalW对齐序列.

Direct coagulation casting ( DCC ) is a novel ceramic net shape forming process for ceramic green bodies.

直接凝固注模成型 ( DCC ) 是一种全新概念的净尺寸陶瓷成型技术.

Objective To evaluate the role of telomere and DCC in tumor transformation and progression.

目的　分析端粒长度及DCC基因 mRNA 表达在大肠癌及腺瘤发生发展中的作用.

Conclusion DCC gene played an important role in generation and development of ovarian carcinomas.

结论DCC基因 可明显抑制卵巢癌细胞生长,可能在卵巢癌发生、发展的过程中起重要作用.

Conclusion: DCC gene play an important role in controlling cancer recurrence after operation.

结论: DCC基因可能是决定大肠癌术后复发重要的控制基因之一,检测DCC表达 有助于判断大肠癌的预后.

Conclusion: LOH of DCC gene may be involved in the occurrence and development of HCC.

结论: DCC基因LOH可能参与了原发肝癌的发生发展.

Introduction of some new techniques exploited in our country including DCC, MGG , MIO, ARGG and HCC are also given.

介绍了我国新近开发的DCC 、 MGG 、 MIO 、 ARGG、HCC等 几种典型的先进工艺.

Results Exogenous DCC had successfully been transferred into SKOV 3 cells and obtained permanent expression.

结果RT-PCR 技术和免疫组化染色方法检测显示,外源性DCC基因 通过基因重组及脂质体介导,已整合于SKOV3细胞并获稳定表达.

No significant correlation was found among LOH of DCC gene, clinical parameters and HBV infection.

DCC基因LOH与临床病理参数和HBV感染无显著相关.

Objective : To understand DCC gene status between primary and liver metastatic lesions of large intestinal cancer.

目的: 了解DCC基因在大肠癌复发、转移过程中的变化及其与肝转移的关系.