目的探讨背向散射积分对早期心肌缺血的识别价值。
Objective To assess the value of integrated backscatter differentiating early phase of myocardial ischemia.
目的应用超声背向散射积分技术定量评价正常兔肾的不同结构。
Objective To assess quantitatively different structure section of healthy rabbit kidneys by the ultrasound integrated backscatter (IBS).
目的：研究心肌背向散射积分联机分析的临床价值和影响因素。
Purpose: To study the clinical utility and influence of myocardial integrated ultrasound backscatter.
目的探讨超声背向散射积分(IBS)对急、慢性肾病的诊断价值。
Objective To explore the value of the ultrasound integrated backscatter (IBS) in diagnosing acute or chronic renal parenchyma disease.
结论：心肌背向散射积分参数可有效评价阿霉素诱导兔心肌病模型的建立。
Conclusion: Integrated backscatter parameters was of value in the assessment of adriamycin-induced cardiomyopathy.
目的：探讨背向散射积分检测技术定量评价梗塞心肌组织特征的临床价值。
Objective: Our purpose was to determine the use of ultrasonic tissue characterization with integrated backscatter in evaluation of infarcted myocardium.
目的探讨心肌背向散射积分(IBS)参数评价左乳腺癌放疗早期心脏损伤的价值。
Objective To evaluate the value of integrated backscatter (IBS) measurement in detecting early myocardial damage induced by left breast cancer radiotherapy.
目的探索超声背向散射积分技术在评价糖尿病人微血管病变对心肌的影响方面的价值。
Objective To study the value of ultrasonic integrated backscatter in assessing the changes of myocardium in diabetes patients with microvascular lesion.
目的：探讨心肌背向散射积分(IBS)参数评价阿霉素诱导兔心肌病模型的应用价值。
Purpose: To evaluate the usefulness of integrated backscatter (IBS) parameters in detecting adriamycin-induced cardiomyopathy in rabbit models.
结论心肌背向散射积分参数可无创、敏感、客观地评价左侧乳腺癌放疗对心脏的早期损伤。
Conclusion myocardial integrated backscatter is a noninvasive, sensitive, objective method to assess early myocardial damage induced by left breast cancer radiotherapy.
背向散射积分参数结合皮质厚度测量可对急性肾衰竭的诊断和鉴别诊断提供更多有用的信息。
Integrated backscatter coefficients combined with renal cortex thickness may offer more useful information in diagnosis and differential diagnosis of ARF.
结果：左室存活心肌背向散射积分参数值于术后3天就有了改善，与术前相比有统计学意义；
Result: To the viable myocardium of left ventricle, parameters of integrated backscatter have improved at the 3th day after operation , and have statistical significant ;
心肌超声背向散射积分(IB)在心动周期中起伏的幅度因心肌缺血而减小，对诊断心肌缺血有重要临床意义。
The amplitude of the fluctuation of myocardial ultrasonic integrated backscatter (IB) decreases when myocardial ischemia occurs, which makes IB important for the diagnosis of this disease.
方法将超声背向散射积分(IB)参量成像与数字减影法相结合，提出IB减影成像方法用于HIFU治疗的损伤区域监控成像。
Method differential integrated backscatter (IB) imaging technique were used to monitor the HIFU-induced lesions, which combined IB parameter imaging with the digital differential method.
目的：建立心肌慢性缺血动物模型，探讨超声背向散射积分（IBS）和多普勒组织成像（DTI）技术检测慢性心肌缺血的价值。
Objective: To establish porcine chronic ischemic myocardium model and to evaluate ultrasonic integrated backscatter(IBS) and Doppler tissue imaging(DTI) in detecting this model.
目的：探讨组织谐波成像（THI）后应用超声背向散射积分（IBS）评价陈旧性心肌梗塞（OMI）心肌残存收缩能力的优点。
Objective:To study integrated backscatter(IBS)by tissue harmonic imaging(THI)to assess myocardial viability in patients with old myocardial infarction(OMI).
利用积分方程方法以及半空间并矢格林函数的快速算法对埋地目标体矢量电磁散射进行正演计算。
Forward electromagnetic scattering by buried objects is computed with the integral equation method and efficient algorithm for half-space dyadic Green's functions.
电磁散射数值分析方法根据方程形式可分为两种：一种是积分方程法，另一种是微分方程法。
There are two methods according to equation form in electromagnetic scattering numerical analysis: one is integral equation method, the other is differential equation method.
在互易原理的基础上，得到了计入相邻目标二次散射的散射场的积分表达式。
The integral expressions for scattered fields including the second-order scattering terms are given based on the reciprocity theorem.
精确有效地计算索末菲尔德型积分是分析导电媒质半空间电磁波辐射和散射问题的关键。
An accurate and efficient method for computing Sommerfeld type integrals is crucial in the analysis of the electromagnetic waves for radiators and scatters in the presence of a conducting half-space.
本文主要围绕介质目标电磁散射特性的高效积分方程开展研究工作。
In this thesis, the research work is based on efficient integral equations for electromagnetic scattering property of dielectric materials.
在此基础上推导了适合瞬态弹性波对异质体散射求解的变换域位移场积分方程。
Furthermore, an integral equation in transformed filed, which suited to calculate the instantaneous elastic wave scattering by a number of irregular scatterers embedded in an elastic body is derived.
积分方程方法由于其求解严格、计算结果精度高，成为了分析介质目标电磁散射特性的主要方法。
The integral equation is widely applied to analyze the electromagnetic scattering of dielectric objects for its high precision.
本文将准正交高阶叠层矢量基函数用于时域电磁场积分方程(TDIE)，求解了三维金属目标的时域电磁散射问题。
The near orthogonal hierarchical vector basis functions are used for solving three-dimensional time-domain electromagnetic integral equations (TDIE) of the metallic object.
本文提出测量激光反射镜总积分散射的一种方法。
This paper presents a method of measuring the total integrated scattering (TIS) from laser films.
均衡混合场积分方程与多层快速多极子方法(MLFMA)结合使用，可以方便地求解含腔导体目标的电磁散射。
Combination of ECFIE with multilevel fast multipole algorithm (MLFMA) can easily solve electromagnetic scattering from conductive target with open cavity.
再对“可见”天穹积分，得到瞬时来自“可见”天穹的散射辐射总量。
Then integral the whole visible vault of heaven to get the amount of diffuse radiation at one moment.
电磁散射数值分析一般分为微分方程法和积分方程法。
Electromagnetic scattering numerical analysis generally contains differential equation method and integral equation method.
电磁散射数值分析一般分为微分方程法和积分方程法。
Electromagnetic scattering numerical analysis generally contains differential equation method and integral equation method.
应用推荐