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The features of the SEPIC converter has the buck-boost operating mode, positive output polarity, low input current pulsation, and wide input voltage range, suitable for low-power wind generator system in power conversion.

本文研制一独型风发电系统之最大功追踪，所提的系统架构为 SEPIC 转换器，其转换器具备升压，正向输出极性，低脉动输入电，输入电压范围大之优点，适合应用在低功风发电系统电能转换。

In the state of" Digital Generally Used Input" click on the" key-board" in the right of the stative form, the soft-keyboard of" Digital Generally Used Input" appeared.

在切换到&数码通输入法&状态下点击状态栏右边的&键盘&按钮，就可以出现&数码通&软键盘。

Data were analyzed from photographs from optical microscopy and Computer Image Analysis.Results:Gene expression level of bcl-2mRNA (numeric density and concentration of bcl-2 immunopositive neurons) in layer Ⅲ of the ipsilateral visual cortex area 17 and the laminas receiving ipsilateral geniculate input from the strabismic and deprived eyes are significantly lower than the input from the untreated eyes.

MS1和MD1组幼猫实验眼同侧视皮质17区Ⅳ层及同侧外侧膝状体Al层神经元在视觉发育敏感期内，由于长期的斜视及形觉剥夺效应以致功能低下，对Bcl-2调节的敏感性降低，以及对NTs的营养保护及上调Bcl-2 mRNA表达水平应答能力降低，在双眼竞争的神经元发育及突触连接中处于劣势，使对侧眼形成优势循环。

Firstly, the inversion of the ground motion with the unknown parameters and limited measurements was studied by the substructural identification, and the least-square algorithm of unknown input was built. Secondly, based on the estimated input, structural parameter down to the element level was identified in time domain by extended Kalman filter algorithm. Several cases of a 6-story frame structure are numerically investigated.

首先，使用子结构识别技术，研究了未知参数、观测不完整条件下的地震动输入反演问题，建立了未知输入的最小二乘估计算法；其次，在估计地震动输入的基础上，使用广义Kalman滤波器方法，识别全部单元结构参数。

The result was shown: With input power increasing, the temperature, the pressure and the flow are increasing. As the highest input power 115W is charged, the smallest thermoresistance is 0.55℃/W, the highest pressure is 4.15bar, the highest temperature on the surface of radiator is 78.5℃, the optimal charge ratio is 80%～100%, under this station the biggest flow is 12g,the smallest charge ratio is 60%.

结果表明：随着输入功率的增加，散热装置的温度、压力和流量都在增加，当输入最大功率115W时，该散热装置的最小换热热阻为0.55℃/W，最大工作压力达4.15bar，电子元器件最大表面温度74.5℃，最佳充液率为80%～100%，此时最大工质流量为12g，最小充液率60%。

During certain specific application occasion need for very wide input voltage power supply to normal working,for instance, during Triphase Electric Energy Meter need input voltage during 90 to 500VAC be able to normal working .

在某些特殊的应用场合中，需要在很宽的输入电压范围内电源都能够正常工作，比如在三相电能表中就要求输入电压在90至500VAC都能正常工作。

In this paper, the noise sources of the EBCCD imaging system have been analyzed and a SNR model has been established. It shows that the SNR of output image is related not only to the input illuminance on the cathode but also to the spatial frequency of the input image. This has been proved by a series of experiment. Unperfectness of the detecting equation has been pointed out in this paper.

分析了电子轰击电荷耦合器件微光成像系统的噪声源，建立了系统的信噪比模型，指出了在微光成像系统本身的增益和量子效率等性能确定的条件下，成像系统输出图像信噪比不仅仅与输入面照度有关，还与输入图像的空间频率有关，并通过实验得到了证明，指出了经典的图像探测方程的不完善之处。

It showed that, the total emergy input and output of planting were 7.97×1022sej and 3.24×1022sej respectively. Of the total emergy input, unrenewable industrial emergy was 52.9%, and renewable emergy was 47.1% which including 20.9% of renewable environment resource and 26.1% of renewable organic emergy.

结果表明：总能值投入为7.97×1022sej，作物能值总产出为3.24×1022sej；不可更新工业辅助能占总能值投入的 52.9%，可更新能值投入占总能值投入的比例为47.1%（可更新环境资源占20.9 %、可更新有机能占26.1%），系统能值货币比率为1.98×1011sej。

There is positive correlation between the industrial product, the input of fixed assets of various industies and the quantities of graduates, while unsignificant correlation between output, input and the employment rate of graduates and universities.

3不同产业的产出和固定资产投入与不同院校的毕业生数量存在一定程度的正相关；而不同产业的产出和投入与大学生就业率、院校就业率之间不存在显著的相关关系。

A new style CFOA was proposed in this paper, the compens AT ion circuit elimin AT e the imbalance between the two input in st AT ic condition,the PMOS and NMOS complementary input structure enhance SNR,Simul AT ion with 0.6 CMOS process parameters,result in a high SR as well as bandwidth gain-independence.

本文提出了一种新型的电流反馈形运算放大器，该电路所具有的电压补偿电路克服了以往基于CMOS的CFOA两个输入端静态条件下不平衡的缺点；NMOS与PMOS互补的输入结构提高了电路的信躁比。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。