半影

采用CT灌注成像血流和血容量测定区分急性缺血性卒中的半影和梗死区

Identification of penumbra and infarct in acute ischemic stroke using computed tomography perfusion-derived blood flow and blood volume measurements

《半影》是由瑞典游戏开发公司FrictionalGames开发的一个非凡的系列游戏。

Penumbra is a very unusual game series , developed by Swedish developer Frictional Games .

用定量RT-PCR方法检测脑梗死半影区内凋亡相关基因的表达

Quantitative RT-PCR in detecting the apoptosis associated gene expression in penumbra area of cerebral infarction in rats

利用MCNP软件对中子半影成像过程进行模拟；

The neutron penumbra imaging process was simulated with MCNP software .

局灶脑缺血恢复期半影区小胶质细胞可塑性变化和bFGF表达规律的研究

Study on the Plasticit Change of Neuroglial Cell and the Expressing Rule of bFGF During Convalescence of Focal Cerebral Ischemia Penumbra

结果TUNEL阳性细胞位于坏死中心与正常皮层之间的半影区。

RESULTS The TUNEL-positive cells were located in the transitional zone between the necrotic core and normal cortex .

免疫组织化学法测定脑组织缺血半影区Bcl2和Bax蛋白的表达。

The expression of Bcl 2 and Bax proteins in the ischemic penumbra were examined by immunochemical technique .

3针刺治疗组与非治疗组组间比较，针刺治疗组大鼠顶叶皮质和海马缺血半影区微血管数（MVC）明显增高，有显著性差异（P＜0.01）。

Significant difference of microvascular count between acupunctured-treated group and untreated group was found in cortex of parietal lobe and hippocampus ischemia penumbra ( P < 0.01 ), the former was much higher than the latter .

因此，DWI中的半影区和梗死的区别并不十分清楚，因为在这两方面DWI信号都会增加。

Therefore , the discrimination between penumbra and infarct core by DWI is not always clear , because DWI signal increases in both sides .

早期康复训练对大鼠脑缺血半影区GAP-43和P38mRNA表达的影响

A study of the effects of early-recovery training on expressions of GAP-43 mRNA and p38 mRNA in ischemic penumbra in rats

结论：与神经重塑有关的Gap-43和P38mRNA在局部脑缺血再灌注后缺血半影区的表达十分活跃。

CONCLUSION : The expression of Gap-43 and P38 mRNA related to neural plasticity becomes active in post IR penumbra region .

结论HSP70是缺血神经元损伤的敏感指标，缺血皮层区HSP70表达的解剖分布可能相当于半影区。

Conclusion HSP70 was sensitive marker of ischemic damage , the anatomic distribution of HSP70 expression could be thought as ischemic penumbra .

半影成像具有灵敏度高的特点，该技术是未来惯性约束聚变（ICF）中子成像的主要技术路线。

Penumbral imaging has high sensitivity , which will be the main technical method of neutron imaging in inertial confinement fusion ( ICF ) experiments .

手术14d后缺血中心区和半影区可见大量胶质细胞增生。

There was great deal of collagenocyte that appeared in ischemic center and penumbra region at postoperative 14 days .

主要观察指标：①主要结局：脑缺血半影区生长蛋白Gap-43及突触素P38mRNA原位杂交检测结果。

MAIN OUTCOME MEASURES : ① Major outcomes : RT-PCR results of growth-associated protein Gap-43 and synaptophysin P38 mRNA at ischemic penumbra region .

p38MAPK在局灶性脑缺血大鼠缺血中心区和半影区的表达

Expression of p38 MAPK in cerebral ischemia core and penumbra in rats with focal cerebral ischemia

黑子半影内偶极运动磁特征的Hinode观测研究

Hinode Observations of Bipolar Moving Magnetic Features in Sunspot Penumbra

利用该系统可以实时、直观地获得加速器束流强度的相对分布曲面，给出任意剖面的束流强度分布曲线和FWHM、半影、峰值、对称度、均整度等参数。

This system helps to obtain all the physical characters of the beam in any section plane , such as FWHM , penumbra , peak value , symmetry and homogeneity .

观察脑缺血急性期后，电针对脑梗塞大鼠缺血半影区（IP）nNOS免疫阳性神经元的影响，为探讨电针治疗脑梗塞中枢神经机制提供实验依据。

Objective : To observe the effect of electroacupuncture on nNOS-positive neurons in the ischemic penumbra of cerebral infarction rat after acute period of ischemia , and to supply experimental evidence for exploring central nervous mechanism of electroacupuncture in ischemic penumbra .

现在，作为APA的主席，我认为有一大串的问题仍在半影中，我们现在光照中有足够的东西来将其它的东西拽如入光照中。

Now as APA president , I think there is a set of problems in the penumbra that we now have enough in the light to be able to drag them into the light .

表面接触点P1和P4所处的坐标位置为第一次接触半影区和最后一次接触。

The exterior tangency points P1 and P4 mark the coordinates where the penumbral shadow first contacts ( partial eclipse begins ) and last contacts ( partial eclipse ends ) Earth 's surface .

60Coγ刀治疗源是γ刀治疗设备的核心部件，具有活性区小，比活度高，半影区小，聚焦成形好，使用周期长等特点。

Co γ gamma knife source is a kernel unit of γ knife therapy equipment . It has small active core , high specific actvity , narrow half dark area , best focus form , long use period .

《半影：序章》是《半影》三部曲的第一部。

Penumbra : Overture is the first title in the Penumbra trilogy .

中子半影成像中椭圆度误差的解析计算

Analytic calculation of ellipticity error effect in neutron penumbral imaging

半影纤维的出现，表示着黑子扭转磁场的存在。

The magnetic field of sunspot is twisted when penumbral structure appears .

黑子半影具有旋涡结构。

There is the spiral structure in the sunspot penumbra .

这包括对太阳黑子本影和半影持续的观测。

This includes the continuous survey of umbra and penumbra of the sunspot .

太阳黑子半影的形成和返回磁通量的来源

The formation of sunspot penumbral magnetic field and the origin of return flux

缺血42天，半影区小胶质细胞数目趋于稳定。

The microglia in ischemia penumbra tend to stable .

另外，提出了亮度步长的方法来检测阴影中的半影。

In additional , the luminance step is applied to detect the penumbra .