modeling and stability analysis for parallel operation of ups with no control interconnection basing on droop characteristic

1、

pulses have fast rise and fall times, and minimal droop.

脉冲能迅速上升和下降，减少误差。

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2、

computation of dynamic response for helicopter blade droop stop impact

直升机桨叶扬起下坠碰撞动响应计算

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3、

research on wireless parallel operation of inverter with dsp control basing on droop characteristic

基于功率下垂特性的逆变器无线并联控制技术

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4、

developments and uses of chemical agents for water blockage an injection profile modification in china

我国油田化学堵水调剖剂开发和应用现状

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5、

the method of measuring metal stripresistance was used to investigate the elec-tromigration failure of al-si ( 1 % ) metalliza-tion.

本文用测量电阻变化的方法,研究了Al-Si ( 1% ) 金属化线条的电迁移失效.

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6、

the present investigation has develop-ed ag-sno _ 2-in _ 2 o _ 3-li _ 2 o material for elec-tric contacts by means of internal oxida-tion.

本文用内氧化法研制出Ag-SnO_2-In_2O_ 3-Li _2O电接点材料.

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7、

in the case of 1511 type loom, the maximum elec-tricity-saving ratio can reach 19.4 %.

经在 1511 型织机上使用, 测得其最高节电率可达19.4%.

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8、

LI > Instruments : Bang Di 、 Pipa 、 Stell Guitar 、 Elec . Piano 、 Dub . Bass 、 Ethnic Percussion.

配器: 梆笛,琵琶,民谣钢弦吉他,电钢琴,爵士低音贝斯,民族打击乐器.

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9、

the structure and characterization of optical fibre voltage and elec-tric field sensors are deseribed.

本文叙述了光纤电压电场传感器的结构和性能.

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10、

consequently, the paper points out some problems occurred in electromagnetic force calculation.

同时指出理论计算电动力所存在的问题.

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11、

the demand leading to the price rising is divided into normal demand and abnormal demand ( including investment and speculation demand, passive demand, irrational demand).

引起房价上涨的需求被分为正常需求和非正常需求（包括投资和投机需求，被动需求和非理性需求）。

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12、

for this reason people put forward the conception of self-adapting wing: this is a kind of flexible wing whose shape and camber can change according to mission needs, driving material is generally sma.

故提出了自适应机翼的概念：这是一种外形及弯度可根据任务需要而改变的一种柔性机翼，这种柔性机翼的驱动材料一般使用形状记忆合金。

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13、

in this article, a new flexible honeycomb structure is designed for the wing with a variable camber trailing edge.

本文针对后缘变弯度机翼，设计出一种新的柔性蜂窝结构。

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14、

an integrated design computational method for the wing optimization camber and twist at subsonic and supersonic flow

亚超音速机翼最佳弯扭综合设计计算方法

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15、

A primary study on the structure and dynamics of Castanopsis fargesii population on Jinyun mountain, Sichuan Province

四川省缙云山栲树种群结构和动态的初步研究

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16、

Exploring the Mechanism for Water Purification in the Different Rebuilding Patterns of Pure Pinus Massoniana at Jinyun Moutain

缙云山马尾松纯林改造净水机制研究

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17、

Hg emission of warm season was significantly higher than that of the cold season.

缙云山林地和裸地土壤释汞通量存在明显的季节性差异，暖季林地和裸地土壤释汞通量均明显高于冷季。

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18、

Effects of the Rainfall Factors on Surface Runoff of Typical Forest Vegetations in Three Gorges Region

降雨因子对缙云山地区典型森林植被类型地表径流的影响

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19、

Effect of Different Vegetation Types on Runoff Generation of Slope Land in Jinyun Mountains of Chongqing City

重庆市缙云山不同林分对坡面产流的影响

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20、

The variation patterns of species diversity in evergreen broad-leaved forests in the Jinyun Mountain were studied and the relationship between soil factors and species diversity was analyzed using detrended canonical correspondence analysis ( DCCA) method.

探讨了缙云山常绿阔叶林物种多样性的变化特征，并运用去势典范对应分析（DCCA）方法，分析了不同样方中土壤因子与群落多样性指数之间的关系。

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