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objective: to study the antiarrhythmia action and mechanism of estradiol on adrenaline induced arrhythmia.

目的: 探讨雌激素在整体水平下的抗肾上腺素心律失常作用及可能机制。

It is found that the variation of ocean circulation during an ENSO event is characterized by the mass cycle anomaly in the equatorial Pacific Ocean, with the anomalies of equatorial upwelling firstly appearing on the surface and subsequently spreading to the deep, and an eastward propagation of EUC anomalies.

本文在GFDL模块化海洋模式MOM2基础上搭建了一个水平分辨率为1°×1°(赤道地区经向分辨率1/3°)、垂直方向17层的全球海洋环流模式,首先在COADS气候月平均资料的强迫下进行了360年的spin-up积分,成功对全球海洋大尺度环流的多年平均态和季节变化特征进行了模拟。

It looks as if some U.S. end users will have to go without soybean oil this summer or soybean oil imports well in excess of the already record large import projection of 113,000 tonnes will be needed.

目前看来,部分美国最终用户今年夏季将不得不在没有豆油的情况下开工,而要想避免这种情况,实际进口量则需要大大超过11.3万吨(这一预测数字已经达到了纪录水平)。

However, a beginning exerciser who has mastered a basic workout will find this program a helpful next step before going to an intermediate level.

然而,一开始锻炼谁掌握了基本的体育锻炼会发现这个节目的有益才去一个中间水平的下一步。

Firstly, the natural frequencies and normal mode shapes of the fluid-conveying pipe with zero fluid velocity (i.e. U=0) were determined with the transfer matrix method. Next, these natural frequencies and normal mode shapes were used to derive the equation of motion for the fluid-conveying pipe with fluid velocity U.neq.0 by using the expansion theorem. Finally, the free and forced vibration responses of the pipe with flowing fluid were obtained by means of the Jacobi method and the Newmark direct integration method.

首先吾人使用转移矩阵法来求取一流速等於零(即U=0)、跨距数为N之流体输送管的自然频率及其所对应之正规化振态,然后利用振态重叠法原理来推导流速不等於零(即U.neq.0)时,整个流体输送管在外力作用下的运动方程式,最后再以Jacobi法及Newmark直接积分法来计算该水平流体输送管的自然频率及强迫振动反应。

The further analysis based on a series of the latest Chinese data reveals that without the impact of special external factors, ratio of national debt to GDP should remain approximately 25%, a proper level to keep national debt sustainibi1ity.

根据近期中国的系列数据做进一步的分析,可以发现:在无特殊外部因素的扰动下,国债负担率稳定在约25%的水平将使中国国债具有可持续性。

Its shows that, l increases with β, k increasing, but decreases with λ increasing; at the same condition of horizontal seismic loading the safety factor of wedge decreases with β, k increasing, but increases with λ increasing.

分析结果表明,l随着β和k的增大而增大,但随着λ的增大而减小;楔体的安全系数随着β和k的增大而减小,但在同样大小的水平地震力系数下,随着λ的增大而增大。

A 3 factorial pot experiment, with 2 phosphorus levels, 3 soil water contents and 4 winter wheat cultivars was designed to compare the P efficiency, P uptake efficiency and P use efficiency of different cultivars at Olsen P 3 2 mg·kg 1 of soil, and as influenced by soil water content.

选用在土壤磷水平为 5~ 7mg P.kg- 1土的条件下筛选出来的不同磷效率的 4个冬小麦品种,采用盆栽试验研究了有效磷为 3.2 m g P.kg- 1土时的磷效率、磷吸收效率、磷利用效率及土壤水分对这些指标的影响。

Above all, consider combination of 3 kinds of load and different constant load and alterable load effect to compare an effect, gave out representative ferroconcrete component is in give an environment to fall, the affirmatory principle that the reliability of different operating period analysed methodological; to put forward intended performance structure to design reliability level, namely index of reliability of component part of the construction inside intended performance cannot be under the standard; of active standard on foundation of expression of design of reliability of our country structure introduce wear to fold decrease coefficient, gave out the affirmatory method of this coefficient, assure in design phase through this coefficient and achieve target of reliability of component part of the construction inside intended performance not the standard under active standard.

首先,考虑三种荷载组合以及不同恒荷载和可变荷载效应比影响,给出了代表性钢筋混凝土构件在给定环境下、不同使用期的可靠度分析方法;提出了预期使用期结构设计可靠度水平的确定原则,即预期使用期内结构构件可靠度指标不能低于现行规范的标准;在我国结构可靠度设计表达式基础上引入耐久性折减系数,给出了该系数的确定方法,通过该系数在设计阶段保证和实现预期使用期内结构构件可靠度指标不低于现行规范的标准。

The relationship among acceleration, road and running velocity was studying, and the research result offered the theory direction for future enhancement running test of self-propelled gun in the field.

其仿真试验通过强化试验路面上得到的不同车速下车辆驾驶员位置的垂直振动和水平振动加速度及其均方根值,解算出振动加速度与路面及行驶速度的关系。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。