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- Positron annihilation life time spectrum was a new technique to test and characterize polymer structure by research on free volume. 正电子湮没技术是通过自由体积的研究,对聚合物结构探测和表征的1种新型技术。
- Based on the data of storage and loss moduli the calculation method of the relaxation time spectrum is attained by use of the least square linear regression. 基于聚合物熔体储能模量和耗能模量;给出了采用最小二乘线性回归得到熔体松弛时间谱的计算方法.
- This paper discusses a method of time spectrum model.This method computes RCS value according to the transform of coordinate which is computed by track date of radar simulator. 文中探讨一种RCS的时间谱模型,它依据模拟器前端所产生的航迹数据,经过目标坐标系与雷达坐标系的变换,即可得到RCS随时间起伏的模型。
- The method for measuring the time spectrum and energy spectrum of fusion pulse neutron source in short distance is described. The limitation of the method is discussed in brief. 摘要介绍在近距离条件下,测量聚变脉冲中子源的时间谱、能谱和产额的一种方法-两测点解谱法,对该方法的局限性作了简要地讨论。
- Through the DFT can transform the complicate Time spectrum to simple frequency spectrum in some special frequencies, which have specific amplitudes relatived to different mass transfer process of ultrasound. 通过离散傅里叶变换 ( DFT)将复杂的时域谱转化为频域谱 ;较清楚地将超声对电极反应的影响区分为不同频率下的幅值信号 .
- transverse relaxation time spectrum 横向弛豫时间谱(T2谱)
- multichannel real time spectrum analyzer 多信道实时频谱分析仪
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久,就会发酵。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- He will come on time even though it rains. 即使下雨,他还是会准时来的。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- positron annihilation life time spectrum 正电子湮没
- relaxation time spectrum inversion 弛豫时间谱反演
- continuous relaxation time spectrum 连续松弛时间谱
- induced polarization relaxation time spectrum 极化谱
- I need some time to orient my thinking. 我需要一些时间来使我的思想适应。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- At that time he had two helpers. 当时他有两个助手。
- I'm sorry to obtrude on you at such a time. 我很抱歉在这个时候打扰你。