time change

It brings a new PFC circuit and analyzes the principle of the resonant PFC , thus get the simple model with single phase time change for analyse .

提出了一种新型的功率因数校正（PFC）电路，分析了准谐振PFC的工作原理，进而得到单相时变简化分析模型。

This paper introduces a new modification to Black Scholes option pricing model for pricing biases correction by bringing gamma process into Brownian motion as the time change process .

本文针对BlackScholes期权定价的定价偏差，介绍了一种对该模型的改进模型，它是通过将gamma过程作为时变过程嵌入BlackScholes期权定价模型中的布朗运动来实现的。

Jet lag is caused because the body clock does not readjust immediately to the time change .

由于人体生物钟不能迅速对时差作出调整，因而产生了飞机时差反应。

Time Change Rule of Air Quality in Tangshan City And Its Analysis

唐山市空气污染物的时间变化规律分析

Time change , people change .

时间会变。

And the characteristics of the ground clutter change as well as time change .

此外，飞机运动时，杂波背景的特性会随时间变化。

Unmanned monitoring system of dynamic time change of earthquake precursor data in the network

网上前兆数据动态时间变化无人值守警视系统

Those on the path of Light will lead the way * and in time change must occur .

那些走在光之道途上人可以带路，而适当改变是会发生的。

A practical theory for computing the time change of single layer density on the BJERHAMMAR sphere

Bjerhammar球面单层密度时间变化的实用解算理论

Three concludes are present , which can be used to analyze the rule of steady - error with time change .

文中得出了三点结论，有利于分析稳态误差随时间变化的规律。

Survey data found that people sleep on average 40 minutes less on the Sunday night right after the time change .

调查数据发现周日夜晚刚好在时间变更后人们的睡眠时间比平均少了40分钟。

The impressionist school expression way adapted the time change , has brought the huge visual impact to the people .

印象派的表达方式适应了时代的变化，给人们带来了巨大的视觉冲击。

Sorry for not blogging , but we have been trying to adjust to the time change .

由于最近在努力调整时差，没有及时更新日志，对此我们感到很抱歉。

If the time change in non-linear field can be controlled by neural network system the function of neural network will undoubtedly double .

对应于非线形性领域的时变化，如果能用神经网络系统控制，无疑神经网络系统的作用倍增。

However , Chinese tertiary industry or its sub-industries'capability of increasing employment further would decline along with the production value size growth and time change .

然而，第三产业及其内部主要行业的就业促进能力随着规模增长和时间推移呈下降趋势。

The distribution in discharge space , time change of electric field intensity , electron and ion density and the current density are calculated .

分别计算和分析了介质阻挡放电中电场、带电粒子浓度以及电流密度在放电空间的分布和随时间的演变过程。

Through the different esthetic sense through us to the artist different ideal , fine idealism is also the individuality change changes along with the time change .

通过我们对艺术家不同的理想产生不同的美感来看，理想美也是随着时代的变化以至个性的变化而变化的。

The beer fermentation is an extreme complex biochemical response of heat release . Temperature object controlled has a serious nonlinear , time change and uncertainty of structural parameter .

啤酒发酵是一个极其复杂的生化放热反应，其温度控制对象具有严重的非线性、时变性、结构参数变化的不确定性。

The simulation results show that the method has high antinoise capability , higher detection accuracy and the better adaptiveness to the amplitude inter harmonics signal of time change especially .

分别针对间谐波数值仿真信号、调幅信号及电弧炉电流作间谐波分析，结果表明：该方法抗噪声能力强、检测精度高，尤其对时变性较强的调幅性间谐波信号具有强适应性。

Swedish scientists recently found that heart attacks dropped the Monday after a time change , possibly because people were getting an extra hour of sleep over the weekend .

瑞典科学家最近发现在时制改变后周一的心脏病发病率即下降，这很可能是由于人们得到了额外一小时睡眠的缘故。

The daily change trend and regulation of three kinds of air pollutants were concluded and analyzed . The main causes affecting time change effect of air diffusion condition and polluting source emission .

指出对环境空气质量和空气污染物时间变化产生影响的主要原因为大气扩散条件的时间变化影响和污染源排放的时间变化影响。

The wind tension control system is a time change nonlinear system . This paper presents several mathematical models of nonlinear control , discusses the hardware and software structures . The practice proves the validity of this scheme .

卷绕张力控制系统为时变非线性系统，本文提出了进行非线性控制的几种数学模型，叙述了实施该控制策略的硬件及软件结构.实践证明了这种控制方案的可行性。

A synthetic time-effect model , which can reflect the water level change and its rate , the temperature change , time change and concrete creep , is deduced from the creep mechanism and elastic mechanics theory .

从混凝土徐变机理和弹性力学理论出发，导出了一种能反映水位变化、水位变化率、温度变化、时间等外部因素及混凝土徐变内部因素共同作用下的综合时效模型。

The letter divides into three parts : the first part from the new standard , the different interpretation of history textbooks " the war of resistance against Japan " description and the same history teaching material of different time change .

全文分为三个大的部分：第一部分从新课标入，解读不同历史教材对抗日战争的描述和同一历史教材不同时间的变化。

Plaques significantly increased , the overall number of boundary density drop rapidly since 2001 , fractal dimension as the time change trend is not apparent , landscape diversity index and evenness index has showed a rising trend .

斑块数目明显增多，整体边界密度自2001年以来下降较快，分形维数随着时间的推移变化趋势不明显，景观多样性指数和均匀度指数则呈现上升趋势。

Space and time change on water-salt movement in saline-alkali soil without irrigation and drainage was studied and analyzed . Its water-salt movement mainly changed with the variety of factors , such as season and terrain * etc.

研究分析了榆林沙区无排灌条件盐碱地水盐运动的时空变化，其水盐运行主要是随着季节、地形等因素的变化而变化。

Based on time change characters , analysis on " Three Wastes " from 1991 to 2002 in Wuhan city , the method of grey correlation coefficient analysis was used to quantitatively study the key factors affecting " Three Wastes " yields .

在分析1991~2002武汉市三废产生量的时间变化特征基础上，运用灰色关联度方法，定量分析了武汉市城市三废产生量的主要因子。

Then to evaluate the frangibility of eco-environment in Fuzhou colligate based on evaluate model and the changing rule of eco-environment following with landform . To ration describe the interface distributing feature of eco-environment frangibility and its time change feature etc.

然后基于评价模型和植被指数随地形变化规律综合评价福州市的生态环境脆弱性，定量描述生态环境脆弱性的空间分布特征、时间变化特征等。

Farm machinery gross power and the effective irrigated area strengthen unceasingly to the Shanxi agricultural economy development influence , the countryside electricity consumption is weaken to the agricultural economy development influence , the chemical fertilizer amount used influence is big in the different time change .

其中农机总动力和有效灌溉面积对山西农业经济发展的影响不断增强，农村用电量对农业经济发展的影响力减弱，化肥用量的影响在不同时期变化较大。

The coagulopathy by bovine thrombin for rabbits has not been found , but with the time change , the coagulation indexes have a slight change . Whether the bovine thrombin can cause coagulation disorders or not remains to be determined .

虽然未发现牛凝血酶对兔机体造成凝血紊乱，但随着时间的变化凝血指标略有改变，因此牛凝血酶是否会造成凝血紊乱仍需进一步探讨。