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.
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。
In the cooling storage ring absolute value of charge mean root radius of Lithium-like nuclei will be measured by the X-ray laser.
在存储环中使用X射线激光可以测显类锂离子的电荷均方根半径绝对值，使核基态性质的研究将有突破性的进展。
Two important parameters-balance radiuses and space charge force balance radius is calculated under neutral plasma case. The properties of electron beam transmission are discussed.
在环内中性等离子体情况下计算了传输过程中的两个重要参量——平衡半径和空间电荷力平衡半径，讨论了电子束的传输特点。
According to the periodic table, we selected 16 kinds of metal ions with different ionic charge, radius and electron shell structure in research.
根据元素周期表，选择了离子电荷、半径和电子层结构不同的16种金属离子进行研究。
The evidence above suggested that the relationship between the stress capacity of metal ions and its radius was inverse, and the charge of metal ions was positive, respectively.
上述证据说明金属离子的胁迫能力与其半径成相反的关系，与金属离子的电荷成正向的关系。
At the same time, it showed that the size of air gap around charge has important impact on the cylindrical cavity radius.
同时表明：不耦合装药时药包周围空气间隙的大小对柱状空腔半径影响较大。
It shows that with the increasing of curvature radius, liner thickness, the length-to-diameter ratio of the charge, and decreasing of shell thickness, the velocity of EFP increase.
结果表明：随着药型罩曲率半径、装药长径比、壳体厚度的增大以及药型罩壁厚减少，EFP的速度增大。
The relationship between space-charge fields and the beam radius is linear.
而空间电荷产生的束内电场与半径呈线性变化；
This research has certain reference value for the prediction and of spherical charge on blasting cavity radius in soil.
本文的研究对土中爆炸空腔半径预测有一定的参考价值。
The function relations of the crater scaling-radius with projectile penetrating-depths and projectile charge parameters are established according to the similarity theory.
根据相似准则建立弹坑比例半径同弹体侵彻深度和弹体装药参数的函数关系。
The function relations of the crater scaling-radius with projectile penetrating-depths and projectile charge parameters are established according to the similarity theory.
根据相似准则建立弹坑比例半径同弹体侵彻深度和弹体装药参数的函数关系。
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