各期病灶表观扩散系数值及在弥散加权成像上信号不同。
The signals on ADC value and DWI of the focus were different in various stage.
测量胼胝体膝部、胼胝体压部和海马的表观扩散系数和各向异性分数。
The appearance diffusion coefficient and the fractional anisotropy were measured for the splenium of the corpus callosum, the genu of the corpus callosum, and the hippocampus.
超急性、急性期病灶中心相对表观扩散系数最低，从中心往外逐渐升高呈梯度征。
The rADC in hyperacute and acute stage of focus center was minimized, and increased progressively from center to periphery with gradient sign.
测定各期病灶平均表观扩散系数值、相对表观扩散系数值及中心-边缘表观扩散系数值。
The average ADC, relative ADC (rADC) and the ADC from center to periphery of the lesion were calculated.
目的探讨脑星形细胞瘤瘤周水肿表观扩散系数（ADC）值与基质金属蛋白酶（MMP-9）表达的关系。
Objective To discuss the correlation between MMP-9 expression levels and ADC values in peritumoral edema of cerebral astrocytoma.
构建表观扩散系数(adc)图和各向异性分数(fa)图，并测量病灶中心及周围水肿区的ADC、fa值。
Average diffusion coefficient (ADC) value, fractional anisotropy (FA) value and maps were calculated in the central portion and peripheral edema of the lesions.
目的通过对表观扩散系数(adc)与T_2值的定量对比研究，探讨ADC值与T_2值在肝脏局灶性小病变定性诊断中的价值。
Objective To evaluate the value of the ADCS and T_2 value in the diagnosis of small focal hepatic lesions.
并对反应速率常数和有效扩散系数、表观反应活化能和有效扩散活化能及反应过程中各步骤阻力进行了分析。
Reaction rate constant, effective diffusivity, apparent activation energy, effective diffusion activation energy and resistance in various steps of the reaction process were analyzed in this paper.
并对反应速率常数和有效扩散系数、表观反应活化能和有效扩散活化能及反应过程中各步骤阻力进行了分析。
Reaction rate constant, effective diffusivity, apparent activation energy, effective diffusion activation energy and resistance in various steps of the reaction process were analyzed in this paper.
应用推荐