查询词典 attenuation factor

Methods: The PP/porous PTFE/PP composite electret film was prepared with porous PTFE,polyethylene and PP by heat melting technique.The charge storage stability of the electret film and transportation were evaluated by using the methods of isothermal surface potential attenuation and open-circuit thermally stimulated discharge current spectra.

利用热融法将多孔PTFE、聚乙烯和PP制备成PP/多孔PTFE/PP复合膜驻极体，利用等效表面电位衰减和开路热刺激放电电流谱方法研究PP/多孔PTFE/PP驻极体的电荷储存稳定性及其输运规律。

Methods: The PP/porous PTFE/PP composite electret film was prepared with porous PTF'E, polyethylene and PP by heat melting technique. The charge storage stability of the electret film and transportation were evaluated by using the methods of isothermal surface potential attenuation and open-circuit thermally stimulated discharge current spectra.

利用热融法将多孔FTFE、聚乙烯和PP制备成PP/多孔PTFE/PP复合膜驻极体，利用等效表面电位衰减和开路热刺激放电电流谱方法研究PP/多孔PTFE/PP驻极体的电荷储存稳定性及其输运规律。

Then formaldehyde attenuation curve which purification products reduce 5~10 times formaldehyde were tested, which has been tested at 1 m^3 environment deck according to experiment condition of eliminator standard GB/T18801-2002. Moreover, purification quantity per hour was computed by mathematics line integral surface. Results: The purification quantity which formaldehyde has been purificated by kieselguhr material was 1.44 mg/m^2h.

本研究选用了硅藻土和光催化两种原理空气净化材料，以室内空气常见的污染物甲醛为目标，参照国家空气净化器标准(GB/T18801-2002)中的实验条件，在1立方公尺环境测试舱内分别发生室内空气质量标准10倍的甲醛气体，测试净化产品对甲醛衰减曲线，运用数学曲线积分面积的计算模式来计算单位时间净化量。

In spontaneously hypertensive rats, knockdown of MMP-7 resulted in attenuation of hypertension and stopped development of cardiac hypertrophy.

在自发性高血压的大鼠，MMP-7无表达导致高血压减弱和心肌肥厚进展停顿。

L Uniform distribution of membrane pores, high porosity, big filtration flux, slow attenuation and lowcost in application

l 膜孔分布均匀、孔隙率高、过滤通量大、衰减慢，应用成本低

The results of simulations showed that the magnitude attenuation and phase lag of the system come to the project demand.

为进一步提高控制品质、设计运动模拟器整体控制系统，首先对运动模拟器的运动平台进行位置姿态反解。

Combining with the theory of the conservation law of mass,momentum,energy and gas explosion dynamics,the attenuation law of shock wave in excavation roadway was deduced during gas explosion.

运用质量守恒、动量守恒和能量守恒定律及爆炸气体动力学理论等，对掘进巷道瓦斯爆炸冲击波的衰减规律进行研究。

Except the something fortify, the complication of disturb in the dispersion of attenuation data are also graveness, so the evolvement of this area also becomes lentitude.

由于除介质粘弹性影响外，其它的干扰因素引起地表波的散射问题也很严重，使得这个领域的进展相对缓慢。

If attenuation weakens the light signal at the receiver, then data errors will result.

假如衰减减弱接收器的光讯号，随后会导致资料错误。

Novel grad attenuation was designed based on the size and intensity distribution of tested field for not exceeding limen of CCD and avoiding the spectrum information loss at tested field edge.

为防止CCD接收光强过饱和及待测场边缘光谱信息的损失，根据待测场的大小和光强分布设计了梯度衰减片，再通过窄带滤波片获得了待测场的光谱信息。

Connectors are lines that can be anchored to particular places, called glue points , on the graphic object.

连接符，可固定在图形对象的特定的地方的线条。

Another way of putting it, too many agents have a say in each other's work, and bureaucratic rigor mortis sets in.

另一种表达是，太多的作用物在彼此的工作里都有话语权，官僚的僵尸开始抬头。