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- Gravel particle density, hardness, as exempt by the National Product. 砂石颗粒疏密,硬度大,被国家定为免检产品。
- "If such a neutral particle exists," Rutherford had said in 1902, "it should be able to move freely through matter, and it may be impossible to contain it in a sealed vessel". 卢瑟福在1902年曾说:“如果存在这样一种中性粒子,它应该可以在物质中自由运动,而且没有一个封闭的容器能容纳它。”
- The incompressibility of the fluid is determined by introduction of a so-called particle density number. 流体的不可压缩性是通过引人粒子数密度概念实现的。
- The results show that the particle density in the films periodically oscillates indicating a formation of layered structures. 结果表明:薄膜中粒子密度沿膜厚方向呈周期性变化,存在某种有序结构;
- This paper discussed the cause of distinction of the particle density and the orgin of tubular and vesicular structure in spaces. 本文还讨论了细菌周膜断裂面上颗粒密度不同的原因及腔中管泡状结构的来源。
- The nonlinear space charge effect due to the nonuniform particle density distribution in bunched beam of a linac is discussed. 提出了在强流直线加速器中,由空间电荷束团的密度分布所引起的非线性效应。
- He correctly interpreted this radiation as resulting from neutral particles. 他把这种辐射正确地解释成来自中性粒子的效应。
- Effective Ice Particle Densities Derived from Aircraft Data. 从飞机数据得到的有效冰粒子密度。
- The experimental results demonstrated that the magnet field could obviously increase the discharge current and enhance the particle density in corona discharges. 在负电晕放电中,磁场可提高极间自由电子的能量,增加带电粒子的浓度,增大放电电流。
- A plasma is a quasineutral gas of charged and neutral particles which exhibits collective behavior. 等离子体是带电粒子和中性粒子组成的表现出集体行为的一种准中性气体。
- Usually it streams past the earth at less than 1 million m.p.h., but when that wind gushed from a rare gap in the sun's tangled magnetic web, its velocity exceeded 2 million m. p. h. and particle density was 30 times normal. 通常,太阳风流经地球的速度不会超过每小时100万英里,但是,当这股风是从太阳扭结在一起的磁网罕见的断层中喷出的时候,其速度就会超过每小时200万英里,密度是一般带电粒子流的30倍。
- The method is testing the particle sheer stress, velocity gradient at different speed of rotation by adopting different particle density and different particle diameter suspensions. 试验结果与拜格诺试验的结果完全一致,将其结果延伸,所采用的试料更加符合生产实际。
- Neutrons, being electrically neutral particles, do not produce ionization or excitation directly in their passage through matter. 中子是中性不带电的粒子,当它通过物体时并不直接产生电离或激发作用。
- For a transient internal point source, using the comple mentarity relation, the evolution of particle density can also be described by the well-behaved generalized Fourier expansion. 对于瞬间内部点源产生的密度剖面演化,通过解的互补性也可得到品质好的广义傅里叶展开表示。
- neutral particle mass spectrometer 中性粒子质谱仪
- He has a rather neutral character. 他品性平平。
- That country remained neutral in the war. 那个国家在那场战争中保持中立。
- Put the gear lever in the neutral position. 把变速杆推到空挡的位置。
- He pushed the handle into neutral. 他将手柄扳到空挡。
- The water was of a pale, neutral color. 这水是一片淡灰色。