经过一年多的修整后，质子束流又开始在世界最大的粒子对撞机快速前进了。
Proton beams are zipping around the world's largest particle collider after more than a year of repairs.
日内瓦时间刚过下午1点，对撞机的操作人员操纵着由数十亿个粒子组成的质子束流，以接近光速的速度实现了首次对撞。
Collider operators steered the proton beams, comprising billions of particles accelerated almost to the speed of light, into their first collision just after 1 p.m. Geneva time.
“还没有成为一个对撞机”，Gillies补充说，第一批碰撞至少还得等十天，物理学家和工程师将利用这段时间控制束流。
Nor is it a collider - Gillies says that the first collisions will not come for at least ten days, giving physicists and engineers time to practise controlling the beams.
北京谱仪亮度监测器的探测器在日本KEK进行了束流测试和刻度。
The test and calibration of the detectors of the BES luminosity monitor were performed at KEK Japan.
日内瓦时间刚过下午1点，对撞机的操作人员操纵着由数十亿个粒子组成的质子束流，以接近光速的速度实现了首次对撞。
Collider operators steered the proton beams, comprising billions of particles accelerated almost to the speed of light, into their first collision just after 1 p. m. Geneva time.
论述了高自旋同质异能态束流的物理意义。
The physical motivations with high spin isomer beams were introduced.
介绍了电子束焊机用电子束流快速控制原理。
This paper introduces rapidly controlling principle on electron beam current for electron beam welder (EBW).
束流轨道稳定性是同步辐射光源的重要性能指标。
The stability of beam orbit is essential to the performance of a synchrotron radiation light source.
试验束能提供不同种类、一定动量的单粒子束流。
Test beam provides single particle beam for different experimentation.
粒子运动方程中考虑了空间电荷效应和束流负载效应。
The space charge effect and the beam loading effect are considered in the equation of beam dynamics.
可提高低能离子束的传输效率和束通道的最大传输束流。
The transport efficiency and the maximum beam current of beam channel can be increased.
本文采用两种小世界模型和无标度模型构造出了束流输运网络。
We adopt two kinds of small world model and scale free BA model to construct the beam transport network.
高频离子源管道式引出电极的几何参数对束流引出具有重要影响。
The geometry of the pipe shaped extraction electrode of the RF ion source may strongly affect the extracted ion beam.
介绍了一种低功率圆柱形阳极层离子源的工作特性和束流分布特性。
A low power cylindrical anode layer ion source and its working characteristic, and the beam distribution are introduced.
在电子储存环中，由于被束流势阱俘获的离子会引起束流不稳定性。
The ions trapped by beam potential well can cause beam instability in electron storage rings.
不同加速段间的束流匹配是减少束流损失和发射度增长的关键之一。
Beam matching between the different accelerator sections is one of the key points to reduce the beam losses and emittance growth.
本文提出用闪烁丝测量束流包络，从而求出粒子流真实发散度的方法。
In this paper, we propose to measure the beam envelope by a thin plastic scintillation filament.
本文研究了利用双等离子源产生多种离子束以及它们的束流引出特性。
The production of several kinds of intense beam and their characteristics of beam extraction from the duoplasmatron source are studied.
本文阐述的步进滚珠丝杠副已应用于北京质子加速器的束流测量系统中。
The stepper ball screw nut has been used in a beam monitor system of Beijing proton synchrotron.
在弱束流的条件下，四种离子声波模式中有两种分别对应慢孤波和快孤波。
Under the weak beam conditions, there are four ion acoustic wave modes, of which, two correspond to the slow and fast solitary waves.
在微型反应堆零功率装置上搭建了硼中子俘获治疗拟采用的热中子束流装置。
A thermal neutron beam equipment is installed in the miniature neutron source reactor (MNSR) zero power facility.
根据束流测试结果，文章简略讨论了电子极间渡越时间对束流及枪设计的影响。
According to the result of the measurement, the effects on beam pulse and gun design of the electron transit time between electrodes are discussed shortly.
实验中尝试使用不同的靶材料和辅助气体产生负离子，以提高负离子束的束流强度。
Different target materials and auxiliary gases were tried out in the experiment inorder to increase the beam intensity.
计算结果对根据物理实验需要在高能量与束流强度之间进行取舍有一定的指导意义。
The result is helpful for compromising between beam energy and beam intensity when designing a tandem experiment.
基于RF Q加速器中束流横向运动方程描述了一种计算其入口处束流接受度的方法。
A method based on the transverse particle motion equation is described for the calculation of beam acceptance for RFQ accelerators.
为了研究具有任意形状相空间的束流的传输，提出了束流相空间变换的样条函数表述。
In order to study the transport of beams with arbitrary phase space contours, the spline function representation of phase space contours is proposed.
在机器研究过程中观察到束流集体不稳定性可以被八极磁场产生的朗道阻尼很好地抑制。
It was observed in machine study that, Landau damping caused by the octupole field can suppress the beam collective instabilities.
对含有聚束(脉冲束流)系统的加速器粒子动力学进行模拟是LEADS程序的新特色。
To calculate the accelerator dynamics process to contain the buncher (pulse beam current) system is a new characteristic of LEADS program.
提出了适于此类清洗电极的直流清除离子电压与积累束流阈值流强、最高流强的线性关系。
The linear dependences of the threshold current and the maximum current on DC clearing ion voltage are also presented.
提出了适于此类清洗电极的直流清除离子电压与积累束流阈值流强、最高流强的线性关系。
The linear dependences of the threshold current and the maximum current on DC clearing ion voltage are also presented.
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