1、

In this part, operation principle of a kind of soft switching Buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages;

在这部分里,重点研究了一种软开关BUCK变换器,通过分析各阶段的工作原理说明了开关器件如何工作在软开关状态;

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3、

Three Development Stages of Lenin's Economic Ideas After the October Revolution

十月革命后列宁经济思想发展的三个阶段

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4、

A Comparative Study on Laser Micro-irradiation of Grey Crescent Region in Fertilized Eggs of Various Developed Stages fo Bufo Melanostictus

激光微束照射黑眶赡蜍受精卵不同时期的灰新月区比较研究

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5、

Study on the content of total saponins and its variation in Abrus mollis in different growth stages

毛鸡骨草总皂甙含量测定及其动态变化研究毛鸡骨草中新的异黄酮

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6、

Aclinic Application Research on DWI and ADC in Different stages Cerebral Infarction

DWI与ADC值在不同时期脑梗塞的临床应用研究

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7、

And aging is adynamic process, different age stages have different aging mechanisms shall.

而衰老是一个动态的过程,不同年龄阶段衰老机制有一定差异。

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8、

In five stages from one chamber air bladder stage to formation of fins stage, the discriminant success are 63.51%, 63.22%, 75.31%, 91.92% and 98.44% respectively by sagitta;

自鳔一室期至鳍条形成期,以矢耳石来判别时,各期判别成功率分别为63.51%、63.22%、75.31%、91.92%和98.44%。

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9、

According to the relation between the changes of the characteristics of the Acoustic Emission and stress condition, the sandstone and granite samples fracturing process both can be divided into three stages: the early loading stage, the medium loading stage and the late loading stage.

将砂岩和花岗岩样本的压裂过程和各自的声发射信号的规律的变化结合起来可以分为三个阶段,即加载初期阶段、加载中期阶段和加载后期阶段。并且它们具有各自不同的特征。

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10、

This may require airlifting resources to Liberia, at least in the initial stages.

这可能需要运往利比里亚的空运资源,至少在最初的阶段。

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11、

Features And Stages of Contemporary Chinese Allegoric Tales

论中国现代寓言的特点与分期

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12、

However, the curves had two stages when the maximum of alternating load was 55% failure load.

在交变载荷最大值为破坏载荷的55%时,6h内其疲劳/蠕变曲线为两段式曲线。

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The second and the third stages, they were auriferous quartz.

第二、三成矿阶段石英含金。

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14、

From the New Archeozoic era to the Cenozoic era, the structural framework in Qinling significantly changed many times. The total evolution can be distinguished to five dominant stages: 1. The forming period of crystalline basement ( Ars-Pt1);

自新太古代以来,秦岭基本构造格局发生过多次重大变革,其演化可划分为5个重要阶段,即:(1)结晶基底形成阶段(Ar3-Pt1);

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The process conditions in the stages of esterification, melt polymerization and solid state polymerization were discussed.

讨论了酯化反应, 熔融聚合,固相聚合阶段的工艺条件.

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16、

Audiophile values may be applied atall stages of music reproduction: the initial audio recording, theproduction process, and the playback, which is usually in a homesetting.

“发烧”的观念可体现在音乐制作的各个阶段:初期的音频录制、制作过程,以及录音回放等,而回放阶段通常在家中进行。

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17、

IE might complicate with different stages of glomerulonephritis, with proteinuria or/ and hematuria, azotemia.

IE还可并发各型肾小球肾炎,出现蛋白尿或血尿、氮质血症,蛋白尿较血尿更多见,持续时间更长。

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18、

It's a long journey, so we're doing it in four stages.

这是一次长途旅行, 所以我们把它分做四段.

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19、

The crustal evolution in Liaoning Province has undergone multiple stages, in which the basement was formed in Archeozoic-Paleoproterozoic Era, platform cover was developed in Mesoproterozoic-Middle Triassic, and platform was mobiled of after Middle Triassic. The Nos.

辽宁省地壳演化经历了太古宙古元古代基底形成、中元古代中三叠世地台盖层发展、中三叠世以后地台活化等发展阶段。

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20、

So as the Atlas rocket moved away from the ground, it broke apart into a few big pieces called stages.

所以当阿特拉斯火箭离开地面时,它会分裂成几个大的碎片,称为“级”。

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