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Now, the coalescent of automated test technology fundamental research and the engineering application, has the strong development tendency and the extremely valuable practical significance.

自动化的测试管理配置工具,以及各种自动测试方法被应用于软件开发生命周期中的各个阶段,极大地提高了测试的效率,减少了测试资源的开销,节省了测试人员的占用,大大地缩短了测试的周期。

Through comparison of energy inputs in corn fuel ethanol life cycle,fossil energy inputs of corn production and ethanol conversion processes were identified as the most important,and therefore nitrogen fertilizer,electivity and diesel used in corn farming and energy consumption of distillation and dehydration process in ethanol production could be known as the most influential factors for the energy benefit of corn fuel ethanol.

但是玉米燃料乙醇从原料的生产、乙醇的转化,一直到被燃耗的整个生命周期中的多个阶段需要直接或间接地消耗矿物能源,因而,虽然玉米燃料乙醇是可再生能源,然而是否具有可持续性及可持续性的大小则取决于其燃耗中所产生的能量与燃料乙醇整个生命周期中所消耗的能量相比是否有盈余及盈余的大小。20世纪70年代中期,玉米燃料乙醇的能量平衡问题研究首次在美国出现[2,3],当时乙醇替代汽油的能量效益的有关研究指

Based on the idea of the equivalence of response.of structure to a large namber of structural linear time history analys es under excitations of ARMA artificial earthquake waves with Monte Carlo method ,the ground motion is madeled as the sin usoidal model,and its parameters are det ermined with probabilistic warranty.

本文运用结构响应等效的思想,在用Monte Carlo法作大量结构弹性时程分析的基础上,将地震动等效成了形式简单的简谐激励模型,为该模型定出了具有概率保证的参数,并求出了模型参数与场地卓越周期和结构基本周期之间的回归关系。

3When subjected to the seismic ground motion of the shock type, the shallow, thin and narrow liquefied lenticle may amplify the response of the building with short period.

计算结果表明:(1)所采用的方法与已有的模型实验结果有很好的对应关系,可用于分析建筑物存在下的场地砂土液化问题;(2)饱和砂土透镜体液化对短周期建筑物主要起到隔震作用,且随着透镜体厚度、埋深和宽度的增加以及场地输入地震动加速度的增大,减震效果有所增加;(3)在冲击型地震动作用下,埋深浅、宽度和厚度小的液化透镜体有时却对短周期结构加速度反应起到增大作用。

In nonclinical studies, normal cells appear to beable to recover from intermittent proteasome inhibition, but many types of cancercells undergo apoptosis when proteasomes are inhibited, even for a short time.

它可以选择性地抑制蛋白酶小体的苏氨酸蛋白酶活性,减少对特定细胞周期调节蛋白(IkB、p53、p27、p21等)的降解。由于这些调节蛋白的集聚,肿瘤细胞分裂周期受到干扰,细胞分裂停止,最终导致细胞凋亡。

In this method a windowing parameter estimation algorithm is applied to obtain the initiative value of iteration for the nonuniformly sampled record.

对周期信号采样序列重建问题,提出了一种基于采用时域布莱克曼窗减少频谱泄漏的自适应迭代重建算法,该算法利用对采样序列加窗的方法,有效地降低采样长度为非整数倍信号周期所产生的频谱泄漏。

By virtue of bifurcation diagrams, Poincaré maps, orbits, time histories and frequency spectrum diagrams, the nonlinear dynamic responses of the generator rotor and hydraulic turbine rotor with coupling faults were analyzed. The results confirmed rich nonlinear motions such as periodic motion and quasi-periods with different values of parallel misalignment and declination. Moreover, the process of rub-impact is so complex that many low frequencies with large amplitude are in the range of

通过分岔图、Poincaré截面图、轴心轨迹图、时域波形图和幅值谱图系统地分析了发电机转子与水轮机转子在耦合故障下非线性动力学响应,发现机组转子系统随不对中平行量和偏角变化存在周期运动和复杂的拟周期,其碰摩过程非常复杂,机组故障特征频率除主要在1倍频外,还在0.3~0.4倍频处存在幅值较大的谐波分量。

In order to better study important role of CaM in cell cycle regulation is necessary to try to find CaM downstream effectors in a cycle of cells.

为了更好地研究CaM在细胞周期调控中的重要作用,就要试图找到CaM在周期细胞中的下游效应因子。

The researchers also noted a corresponding decrease in a number of different cyclin proteins and associated cyclin-dependent kinases.

研究者还注意到,同时相应地减少了许多不同的细胞周期蛋白及相关的细胞周期蛋白激酶。

For sure, 2012 -- specifically December 20, 2012 -- is a key date for the Mayas, as it represents the end of the fourth of these millennial cycles which elders say is symbolized by water.

的确,2012年,具体地说是2012年12月20日是玛雅历法的一个关键日期,因为它代表着第四个千年周期的结束,长者称这个周期是以水为特征的。

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