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1.ADC map was generated from DWI data and Trace D map, pseudo DWI, FA map, Dxx, Dyy, and Dzz were generated from DTI data in workstation. White matter and grey matter anatomy were assed at visual inspection, and values were measured in various brain regions. Different parameters including FA, ADC value, Trace D, T2 intensity, and pseudo DW were compared on the basis of information content.
工作站后处理得到ADC图,Trace D, pseudo DW, FA, Dxx, Dyy, Dzz图,通过肉眼观察及定量分析脑灰质及白质的解剖结构,包括DWI信号强度,ADC值,T2信号强度, Trace D值,pseudo DW及FA值。收藏指正
2.The low numerical value distribution of these two types trace elements in the Aeolian sand facies represents erosion and accumulation under wind force during the cold-dry climate.
这两种类型元素在风成沙中呈现的含量低值揭示了其时干旱寒冷气候作用下风力的侵蚀搬运与堆积作用;收藏指正
3.Trace-driven experiments show that the TTR value obtained by ROCA is according to object modification,and fuzzy clustering algorithm can improve ROCA remarkably.
基于轨迹驱动的仿真结果表明,算法获得的刷新时间符合对象的修改规律,模糊聚类算法对ROCA有明显的改进.收藏指正
4.The results showed that the fruit of Sabinavalgaris Antoine was rich in trace elements which were necessary for human health. This may endow the fruit of Sabinavalgaris Antoine rather high medical value.
结果表明,新疆圆柏实中人体必需的微量元素的含量较高,作为中药及维吾尔医药,具有较高的药用价值收藏指正
5.2. Conventional seismic trace inversion method is based on the assumption of P-wave striking interface normally. However, conventional multi-channel seismic data records are oblique reflections, reflection amplitude is the average value of CDP gathers.
2、常规的地震道反演方法是建立在反射P波垂直假设的基础上,而实际地震资料采集时是非零炮检距的。收藏指正
6.The later two stytes of mixing process are of a little difference from the traditional one. The angular gravel of breccia dolomite which has the same origin as the massive dolomite, replaced by Iow temperature hydrothermal, has a higher trace element value of Fe~(2+), Mn~(2+), Sr~(2+), Ba~(2+).
角砾白云岩中的白云岩角砾与下伏白云岩成因相同,但受后期低温热液的交代,使角砾白云岩的Fe~(2+)、Mn~(2+)、Sr~(2+)、Ba~(2+)显较高值,且有序度降低,最强衍射峰面网间距d_(104)值增大。收藏指正
7.The concrete procedure of this method is, first, to choose a longer record segment whose seismic wavelet is stable on a single trace (or several traces), secondly, to make several shorter time windows, multiplied by a proper window function, at different locations of the record segment (or several segments), thirdly, to take the arithmetical mean of its logarithmic spectra as the logarithmic spectrum of seismic wavelet and finally, to obtain the estimation value of seismic wavelet by applying inverse homomorphic process.
具体做法是在一道(或若干道)地震记录上,取较长的、子波比较稳定的记录段,并在这一段(或若干段)的不同位置上取若干个较短的小时窗段,乘以适当的窗函数,再取其对数谱的算术平均值作为地震子波的对数谱,经同态系统的逆过程得到地震子波的估计值。收藏指正
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