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abnormal area
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  异常区
     Identification of Remote Sensing Information in Geothermal Abnormal Area
     地热异常区的遥感信息识别
短句来源
     The results show:(1) The abnormal characteristics of precipitation in Northwest China is affected by the same large scale synoptic system, the precipitation abnormal area can be divided into seven regions.
     结果表明 :(1 )西北区 6~ 9月降水受大尺度天气系统影响 ,降水空间异常分为 7个气候异常区 ;
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     According to the remote sensing image features displayed on the TM image,aerial thermal infrared scan image and aerial color infrared image,integrated with the field survey and the enhanced processing result of color information in hot spring distribution area,the geothermal normal and abnormal area were identified.
     以TM、航空热红外扫描和航空彩红外图像上显示的遥感影像特征为依据,结合野外实地调查和温泉分布区色彩信息的增强处理结果,识别提取地热异常区和非异常区
短句来源
     The results show that the seismic activity of M =4 0 earthquake has overall presented a relative stable state, but the partial concentrated area which evolutes and migrates and the abnormal low b \|value area have appeared in different periods, and the moderately strong earthquakes with M =5 0~6 0 have taken place on the edge of the abnormal area.
     结果表明,该区20多年来4级地震活动总体上呈相对平稳状态,但在不同时段则出现不断演变迁移的4级地震局部集中区及低b值区等异常区域,5~6级中强地震大都发生于异常区的边缘或附近;
短句来源
     It can be divided into two stress concentrating areas, one stress abnormal area and the rest is stress normal area.
     结果表明:该层古构造应力分布不均匀,可划分出2个应力集中区、1个应力异常区,其余为正常应力区;
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  异常区域
     The results show that the seismic activity of M =4 0 earthquake has overall presented a relative stable state, but the partial concentrated area which evolutes and migrates and the abnormal low b \|value area have appeared in different periods, and the moderately strong earthquakes with M =5 0~6 0 have taken place on the edge of the abnormal area.
     结果表明,该区20多年来4级地震活动总体上呈相对平稳状态,但在不同时段则出现不断演变迁移的4级地震局部集中区及低b值区等异常区域,5~6级中强地震大都发生于异常区的边缘或附近;
短句来源
     Setting the ROI in top, middle, bottom of lung field and abnormal area respectively, we detected signal intensity and time-signal curve to obtain the transformation rate of signal (TROS) during perfusion peak value.
     通过在上、中、下肺野和异常区域内设置感兴趣区,测量信号强度,绘制时间-信号曲线,获取灌注高峰期信号强度变化率。
短句来源
     The temperature of reservoir water at the bottom is commonly low,whereas the temperature of bedrock increases with depth,so there will be reservoir water leakage around the temperature abnormal area at the dam site. There will be thermal exchange between the leakage and around strata.
     水库底部通常为低温水,而基岩温度随着深度的增加而升高,坝后温度异常区域可能存在库水渗漏。
短句来源
     Methods Total 18 patients with PE underwent MR pulmonary perfusion and digital subtraction angiography,Setting the ROI in top,middle,bottom of lung field and abnormal area respectively,we detected signal intensity and time-signal curve to obtain the perfusion image and the signal intensity of during perfusion peak value.
     方法18例肺栓塞患者,均行MRPP及DSA。 通过在上、中、下肺野和异常区域内设置感兴趣区,测量信号强度,绘制时间-信号曲线,获取灌注峰值信号强度及灌注图像。
短句来源
     The fact,that when the shape-maintained equation being used to change band of Gauss Projection there exists the best precision area as well as precision abnormal area,is discovered.
     在研究中发现正形变换法在进行高斯投影换带时既有精度最佳区域又有精度异常区域存在。
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  “abnormal area”译为未确定词的双语例句
     Results 15 patients were abnormal in 1H-MRS examination The signal intensity of NAA in MRI abnormal area was obviously lower than that in the contralaterals of focus and the controls,the Cho was higher than in the contralaterals and controls;
     结果 病例组 1H MRS检查异常 15例 ,其病灶侧NAA信号强度明显低于病灶对侧及对照组 ,病灶侧Cho高于病灶对侧及对照组 ,病灶侧NAA/Cho+Cr比值为 0 5 9± 0 11,明显低于病灶对侧 (0 75± 0 17)及对照组 (0 77±0 12 ) ;
短句来源
     Electromechanical ensure of ventilation safe in full digging work face in gas abnormal area
     瓦斯异常地区综掘工作面通风安全的机电保障
短句来源
     Materials and Methods:Eleven ectopic pheochromocytoma confirmed by 131I-MIBG wholebody scan underwent further SPECT/CT imaging on the abnormal area, to obtain both emission, transmission and fusion images.
     材料和方法 :对临床怀疑嗜铬细胞瘤的 13 1例患者行13 1I MIBG全身显像 ,发现其中 10例肾上腺以外部位有异常放射性浓聚区 ,对该部位进行SPECT/CT同机图像融合断层显像 ,分别获得SPECT发射断层图像、CT透射断层图像及准确定位的融合图像。
短句来源
     AIM:To observe the changes of cerebral hemodynamics and regional cerebral bloo d flow (rCBF) in Leukoaraiosis (LA) patients and Binswanger disease (BD) patient s and to explore the difference in abnormal degree and abnormal area between LA and BD with transcranial Doppler (TCD) and single photon emission computed tomog raphy (SPECT).
     目的:观察单纯脑白质疏松症(leukoaraiosis,LA)与宾斯旺格病(binswangerdisease,BD)脑血流动力学及局部脑血流的变化,探讨LA和BD是否存在经颅多普勒(TCD)与单光子发射计算机断层(SPECT)异常改变程度上的不同和异常部位的不同。
短句来源
     The cerebral perfusion mapping contributed to display the abnormal area of ischemia, which showed as normal imaging appearances in routine CT and MR images.
     急性脑缺血患者在MRT1加权像、T2加权像、平扫CT以及增强CT未显示的责任病灶 ,脑CT灌注图像可以清楚显示脑血流动力学的异常。
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  abnormal area
In each case, direct visualization of the abnormal area, together with biopsy and cytologic brushing, provided a definitive diagnosis of malignant disease and helped plan the therapeutic course.
      
For earthquake risk area judgment,it is of interest to know where is compressional areaand where is tensional area, and generally thecompressional areas are considered as risk area andcalled abnormal area.
      
Upper GI endoscopy identified an abnormal area in the duodenum, confirmed by histology as high grade non-Hodgkin's B cell MALT lymphoma.
      
In two cases an abnormal area was found between the medial meniscus and the cartilaginous portion of the epiphysis.
      
Those with a small lesion confined to the paracentral gyrus had an abnormal area slightly lateral to the centre of the peduncle, suggesting degeneration of the parietospinal tract.
      
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In this paper, a preliminary analysis on the geotectonic background of land deformation has been made using vertical-deformation contour map based on precice levelling that was carried out in 1953-1955 and 1976-1980 in the study region.It is suggested that there are two abnormal areas of deformation, one along the Tancheng-Lujiang fault zone ranging from Linyi to Jiashan; the other at the joint between Shandong and Henan Provinces.For this study region, the deformation is mainly controlled by the faults...

In this paper, a preliminary analysis on the geotectonic background of land deformation has been made using vertical-deformation contour map based on precice levelling that was carried out in 1953-1955 and 1976-1980 in the study region.It is suggested that there are two abnormal areas of deformation, one along the Tancheng-Lujiang fault zone ranging from Linyi to Jiashan; the other at the joint between Shandong and Henan Provinces.For this study region, the deformation is mainly controlled by the faults trending WNW, NW and NE. And recent tectonic movement for the fault zone is of distinct segmentation.

本文利用1953—1955年,1976—1980年两期精密水准测量成果编绘的垂直形变图,在苏鲁皖豫地区形变的构造背景作了初步分析。认为区内存在着郯庐带临沂—嘉山段和豫鲁交界两个构造形变异常区。全区形变主要受北西西、北西和北东向断裂控制。郯庐带的现今运动具有明显的分段特征。

2D elastic wave field forward modeling is discussed. 2D elastic wave equation expressed in stress components is derived using momentum conservation law, then the wave field is calculated using Fourier transform. The use of forced absorption boundary not only greatly attenuates boundary reflection and aliasing which occur in Fourier transform but also achieves free-surface modeling, without the model,calculation and internal storage enlarged. Model experiments show that it is possible for us to identify lithology...

2D elastic wave field forward modeling is discussed. 2D elastic wave equation expressed in stress components is derived using momentum conservation law, then the wave field is calculated using Fourier transform. The use of forced absorption boundary not only greatly attenuates boundary reflection and aliasing which occur in Fourier transform but also achieves free-surface modeling, without the model,calculation and internal storage enlarged. Model experiments show that it is possible for us to identify lithology and hydrocarbon conditions in abnormal area in terms of wave field characters and images in different media.

本文讨论弹性波波场二维正演模拟问题。首先由动量平衡定律导出用应力分量表示的二维弹性波波动方程,然后用傅里叶变换法求解其波场。在求解过程中,采用了强行吸收边界,在不扩大模型、不增加计算量和存储量的情况下,较好地解决了傅里叶变换数值解法中产生的折叠效应和边界反射问题,并实现了自由表面的模拟。模型试验表明,根据波在不同介质中的传播规律,使我们有可能利用波场图像来区分异常区的岩性和含油气特性。

Conventional hydrocarbon indication (HCI) technique is based on the variations of amplitude, frequency and velocity of seismic wave.It aims at locating the abnormal area in a seismic section where velocity and frequency drop, but amplitude enhances.Drilling data in SZ area show that seismic velocity in sandstone is lower than that in mudstone.Thus, the velocity difference between hydrocarbon-saturated sandstone and mud-stone will increase to result in amplitude enhancement, and this is just the requirement...

Conventional hydrocarbon indication (HCI) technique is based on the variations of amplitude, frequency and velocity of seismic wave.It aims at locating the abnormal area in a seismic section where velocity and frequency drop, but amplitude enhances.Drilling data in SZ area show that seismic velocity in sandstone is lower than that in mudstone.Thus, the velocity difference between hydrocarbon-saturated sandstone and mud-stone will increase to result in amplitude enhancement, and this is just the requirement with which HCI technique can be used.By using HCI technique, reservoir reflections in SZ area were graded into four levels.Drilling discovered good hydrocarbon shows in the formations which are correlated with Ⅰ and Ⅱ level strong reflections. Detailed interval velocity analysis (DIVA) is a hydrocarbon indication method which is based on the fact that seismic velocity in a porous or hydrocarbon-saturated formation declines relatively.This method is easy, and it brings higher success rate than others because it avoids many noisy factors.

常规HCI油气检测技术是建立在振幅、频率、速度三类参数基础上的,其目的是在地震剖面上寻找速度变低、振幅增强、频率变低的部位。据钻井资料证实,SZ地区砂岩速度低于泥岩速度,砂岩含油气后与泥岩的速度差增大,振幅变强,正好符合HCI技术应用的条件。应用HCI技术,将SZ地区油层反射强度分为四级,经钻井证实,在Ⅰ、Ⅱ级强反射部位见到了好的油气显示。层间速度差分析(DIVA)是基于地层孔隙发育或富含油气后速度相对变低建立起来的油气检测方法,该方法简便易行,并且避免了许多干扰因素,成功率相对较高。

 
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