查询词典 rectification

In this thesis,low-voltage low-voltage synchronous rectification Boost converter for portable devices is designed and realized.

中文摘要本论文设计与实现了可应用在可携式装置系统中的低电压且同步整流之升压式转换器做设计与实现。

In this dissertation, the flyback converter is processed as the main research object, and the application of synchronous rectification technique in flyback converter is focused.

本文以高效率反激变流器为研究对象，内容主要包括以下三个方面：第二章介绍了一种变频控制的副边采用二极管结构的反激变流器。

Thirdly, A new topology of Single Stage Asymmetrical Half-Bridge Converter with Synchronous Rectification is presented in this paper. The operation principle of the circuit is analyzed in detail. The operation principle of soft-switching and steady-state analysis is proposed.

提出了一种同步整流单级不对称半桥变换电路，对电路的工作原理作了详细的分析，特别是电路的软开关工作过程，并对电路做了稳态分析； 4。

So a novel driving scheme for Synchronous Rectification in CCM flyback converter is proposed in this paper; and it can be applied to the flyback converter in the CCM operation and wide input voltage range application. The new driving scheme possesses simple、cost-effective and high efficiency property.

本文深入地分析同步整流反激变换器稳态工作模式，结合峰值电流控制策略，应用状态空间平均方法，建立反激变换器的小信号模型；并依据建立的小信号模型，对控制电路进行优化设计；计算机仿真和实验验证理论预期。

By using synchronous rectifier, a higher efficiency low-voltage output DC/DC converter module can be achieved. This paper presents a kind of synchronous rectification DC/DC converter, which includes active clamp circuit, insulating transformer, and current double synchronous rectifier.

为提高低输出电压的DC/DC变换器的效率，提出了一种倍流同步整流有源箝位DC/DC变换器，电路拓扑主要包括有源箝位电路、隔离变压器和倍流同步整流电路。

How to control rectification column equipments accurately is directly related with the quantity and quality of chemical products.

在化工生产中，如何精准地控制精馏装置直接关系到化工企业产品的质量和产量以及能源消耗。

Results （1） Clinical characteristics included abdominal pain,diarrhea,abdominal distension,nausea,vomiting,low heat and weight,etc.Clinical characteristic symptom relieved with rectification of ketosis and ideally controlling of blood sugar;（2）The counts of acidophil leukocyte in blood and marrow dropped with the relief of symptom ;（3） Endoscopic features concluded mucosal erosion and hydrops,involved the whole stomach,lack of specificity,gastric antrum and ileocecum were more invaded,lots of acidophil leukocytes were seen in biopsy;（4）Hormone,insulin were the first choice to treat eosinophilic gastroenteritis,which could relieve symptom rapidly and reduce acidophil leukocyte to normal;（5）If the diseases recur again and again,the patients should adopt more treatment time,use insulin long time or use immuno-suppressive agent.

结果 （1）患者的临床表现样，包括腹痛、腹泻、腹胀、恶心、呕吐、低热及体重下降等糖尿病酮症的表现；临床症状的缓解随酮症的纠正和血糖控制理想而缓解；（2）外周血和骨髓中嗜酸细胞计随着症状的缓解而下降；（3）内镜下表现多黏膜糜烂和水肿，累及全胃，缺乏特异性，以胃窦和回盲部最常受累，活检可见量嗜酸细胞浸润；（4）激素、胰岛素应用为治疗的线药物，可迅速缓解症状，并使嗜酸细胞恢复正常；（5）病情反复复发的患者可考虑延长激素的治疗时间、长期应用胰岛素或免疫抑制剂。

Results （1） Clinical characteristics included abdominal pain,diarrhea,abdominal distension,nausea,vomiting,low heat and weight,etc.Clinical characteristic symptom relieved with rectification of ketosis and ideally controlling of blood sugar;（2）The counts of acidophil leukocyte in blood and marrow dropped with the relief of symptom ;（3） Endoscopic features concluded mucosal erosion and hydrops,involved the whole stomach,lack of specificity,gastric antrum and ileocecum were more invaded,lots of acidophil leukocytes were seen in biopsy;（4）Hormone,insulin were the first choice to treat eosinophilic gastroenteritis,which could relieve symptom rapidly and reduce acidophil leukocyte to normal;（5）If the diseases recur again and again,the patients should adopt more treatment time,use insulin long time or use immuno-suppressive agent.

结果 （1）患者的临床表现多样，包括腹痛、腹泻、腹胀、恶心、呕吐、低热及体重下降等糖尿病酮症的表现；临床症状的缓解随酮症的纠正和血糖控制理想而缓解；（2）外周血和骨髓中嗜酸细胞计数随着症状的缓解而下降；（3）内镜下表现多为黏膜糜烂和水肿，累及全胃，缺乏特异性，以胃窦和回盲部最常受累，活检可见大量嗜酸细胞浸润；（4）激素、胰岛素应用为治疗的一线药物，可迅速缓解症状，并使嗜酸细胞恢复正常；（5）病情反复复发的患者可考虑延长激素的治疗时间、长期应用胰岛素或免疫抑制剂。

Clinical characteristic symptom relieved with rectification of ketosis and ideally controlling of blood sugar;（2）The counts of acidophil leukocyte in blood and marrow dropped with the relief of symptom ;（3） Endoscopic features concluded mucosal erosion and hydrops,involved the whole stomach,lack of specificity,gastric antrum and ileocecum were more invaded,lots of acidophil leukocytes were seen in biopsy;（4）Hormone,insulin were the first choice to treat eosinophilic gastroenteritis,which could relieve symptom rapidly and reduce acidophil leukocyte to normal;（5）If the diseases recur again and again,the patients should adopt more treatment time,use insulin long time or use immuno-suppressive agent.

结果 （1）患者的临床表现多样，包括腹痛、腹泻、腹胀、恶心、呕吐、低热及体重下降等糖尿病酮症的表现；临床症状的缓解随酮症的纠正和血糖控制理想而缓解；（2）外周血和骨髓中嗜酸细胞计数随着症状的缓解而下降；（3）内镜下表现多为黏膜糜烂和水肿，累及全胃，缺乏特异性，以胃窦和回盲部最常受累，活检可见大量嗜酸细胞浸润；（4）激素、胰岛素应用为治疗的一线药物，可迅速缓解症状，并使嗜酸细胞恢复正常；（5）病情反复复发的患者可考虑延长激素的治疗时间、长期应用胰岛素或免疫抑制剂。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。