质子密度加权像显示早期缺血为“细胞毒性水肿”。
The proton density weighted imaging showed that early ischemia was "cytotoxicity edema".
使用MATLAB程序载入一些影像(T1与质子密度图)。
You will run a MATLAB? Program that loads some images (T1 and proton density maps).
配合谱仪进行了自旋回波脉冲序列的成象实验，获得了较高质量的质子密度图像。
The imaging experiment of spin-echo pulse-sequence was accomplished and images of good quality were obtained by using the homemade NMR micro-imaging system.
不规则线性低信号线观察t1加权，T2加权，质子密度，并增强图像，而这些代表了骨折。
Irregular linear low signal intensity lines were observed on T1-weighted, T2-weighted, proton density, and contrast enhanced images, and these represented the fracture.
一个质子由三个带电的夸克通过强相互作用力结合而形成，它的半径是由电荷密度降到某一确定值的距离来确定的。
A proton contains three charged quarks bound by the strong force and its radius is defined as the distance at which the charge density drops below a certain value.
如果宇宙弦存在，每根弦都像质子一样小，密度却极大。
If they exist, each string would be as thin as a proton, but incredibly dense.
磁星是中子星的一种，它的密度非常大，其质子和电子被迫结合形成中子。
Magnetars are a type of neutron star? An object so dense its protons and electrons have merged to form neutrons.
结果表明：三体核力重排效应对质子和中子单核子势均具有排斥性，而且其贡献随动量和密度增加而迅速增大。
We show that the rearrangement contribution of TBF to neutron and proton single-particle potentials is repulsive and increases rapidly with increasing density and momentum.
质子膜燃料电池(PEMFC)以其高功率密度，启动迅速，无污染等优点成为21世纪首选清洁能源系统。
Proton membrane fuel cell (PEMFC) with its advantages such as high power density, rapid start and pollution-free becomes the first-selected clean energy system in 21st century.
讨论了质子交换膜燃料电池运行电流密度和温度、阴极和阳极加湿温度、气体扩散层孔隙率等参数对以上结果的影响。
The effect of the current density and fuel cell temperature, humidified temperature of cathode and anode, porosity of porous diffusion layer on the results mentioned above are discussed.
质子交换膜燃料电池（PEMFC）具有较高的功率密度和能量转化效率，最有可能成为电动汽车的动力源。
The proton exchange membrane fuel cell (PEMFC) is one of the most promising power sources for future electric vehicles due to it's high power density and energy conversion efficient.
原子的实际密度大约只有4立方米中一个质子。
The actual density of atoms is equivalent to roughly 1 proton per 4 cubic meters.
主要结果如下： （1）在伴随质子事件的微波爆发各参数中，以峰值流量密度、能量密度等强度参数与质子流量相关最好；
The main results are as follows:(1) The intensity parameters are more useful than the other parameters for indicating the intensity of associated solar proton events.
主要结果如下： （1）在伴随质子事件的微波爆发各参数中，以峰值流量密度、能量密度等强度参数与质子流量相关最好；
The main results are as follows:(1) The intensity parameters are more useful than the other parameters for indicating the intensity of associated solar proton events.
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