English translation for "peos"

任何一个公共问询处

Example Sentences:

	1.	According to simulation result , new erosion model is suggested to reasonably describe the opening process of high density pegs 利用粒子模拟程序，对高密度peos真空鞘层尺度进行了模拟定标。
	2.	The asian educational consortium is one of the private education organisations peos awarded the casetrust for education 亚洲教育集团是一所荣获“消协保证标志”教育认证计划的私立教育机构。
	3.	The purpose of this dissertation is therefore to inspect possibly undiscovered factor and mechanism dominating the pegs behavior , and to seek potential technical solution for better switch performance 本论文的主要目的是通过数值模拟的方法，研究peos内部复杂物理现象的机制和规律，并探索改善开关性能的技术和有效途径。
	4.	Because that complex phenomena in pegs involve kinetic effects of plasma and cathode emitted electrons , and evolution of electromagnetic fields , particle - in - cell ( pic ) code is chosen as study tool , and a two and half dimensional cylindrical fully electromagnetic pic code cylinder2 - 1 / 2d , which is suitable for simulating the operation of the pegs , has been established 考虑到peos物理现象涉及到等离子体和阴极发射电子的动力学行为以及空间电磁场的复杂变化，我们采用粒子模拟方法作为研究工具，研制了适用于peos物理问题模拟研究的二维柱坐标全电磁粒子模拟程序cylinder2 - 1 2d 。
	5.	In simulations , all important phenomena , such as non - neutral sheath widening near cathode , cathode electron emitting , current channel migrating to the load side of the plasma , ion accelerating toward cathode and magnetic insulation of cathode emitting electrons etc , have been observed and depict the internal physics of this device . also presented is the influence of cathode emitted electrons on phenomena in the conduction processes of pegs . the simulation results show , without cathode emitted electrons , rapid magnetic field penetration takes place only in region near the cathode , with cathode emitted electrons , magnetic field penetration takes place in all plasma region 诊断发现了阴极表面非中性鞘层的形成、阴极电子发射、电流通道的漂移、等离子体离子加速以及阴极电子磁隔离等物理现象，揭示了这一断路器件的物理机制；分析了阴极电子对peos导通过程中的物理现象的影响，模拟结果显示：忽略阴极电子作用，磁场渗透现象主要出现在阴极表面区域，考虑阴极电子作用，磁场渗透现象出现在整个等离子体区域。
	6.	Pic simulations are performed to determine gap scaling in a high density pegs . comparisons of simulation results with simply theory results and experiment results , indicate that the pegs gap is always equal to the critical gap for magnetic insulted electron flow . it is important to note that , the vacuum electron flow to the anode causes current loss and the 另外，根据模拟结果还得到了两个重要结论：电流损失是由真空漂移电子的出现所造成的，电流损失的大小与负载阻抗成近似正比关系；负载阻抗等于peos的流阻抗时，负载获得功率最大。
	7.	The scaling relations of conduction time and opening time with the plasma density , which are computed by a series of simulation results , show that , influence of plasma density on conduction time is greater than opening time . influence of cathode em itted electrons on conduction process , which is found to be more important when initial plasma density is low , is dependent of the initial plasma density . the penetration of a magnetic field into cylindrical middle - density ( 1013 / cm3 ) c + + and h + plasma with uniform and parabolic density profile , are examined with aid of pic simulation 模拟得到的低密度( 10 ~ ( 11 ) cm ~ 3 10 ~ ( 13 ) cm ~ 3 )条件下导通和断路时间与等离子体密度的定标关系曲线显示：密度对于导通时间的影响远大于对于断路时间的影响；阴极电子对于peos导通过程的影响程度与初始等离子体密度有关，初始密度越大，阴极电子的影响就越小。
	8.	Plasma erosion opening switch ( peos ) is a critical device used in the pulsed power apparatus for modern radiation physics and inertial confinement fusion research . there is no perfect theoretical description or model for pegs presently , and the switching phenomena differ from system to system . in addition , there is still much to do for the improvement of performance 等离子体融断开关( peos )是现代辐射物理和惯性约束聚变等研究领域中脉冲功率技术的关键部件之一，其工作机理目前尚无完善的理论解释和物理模型描述，实验现象因装置的多样性而差别较大，开关性能则有待进一步的提高。

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