查询词典 cyclotron

Evidence of a transient cyclotron absorption line was observed in EXO2030+375 for the first time.

本文作者首次发现了EXO 2030+375的回旋吸收线迹象。

A one-dimensional ion-cyclotron-resonance driven three-fluid model for the slow solar wind consisting of electrons, protons and alpha particles was constructed with emphasis on the effect of flow tube parameters on the alpha particle abundance.

建立了离子回旋共振机制驱动的一维三元（电子、质子、alpha粒子）低速太阳风流管模型，重点分析流管参数对alpha粒子丰度（定义为alpha粒子与质子数密度之比）的影响。

The cyclotron accelerates positively charged particles, while the betatron accelerates negatively charged electron s.

回旋加速器加速正电荷粒子，贝他加速器加速负电荷电子。

The cyclotron accelerates positively charged particles, while the betatron accelerates negatively charged electrons.

回旋加速器加速正电荷粒子，贝他加速器加速负电荷电子。

Examples are helicon discharge , electron cyclotron resonance, and ion cyclotron resonance.

例子有螺旋放电，电子回旋共振，以及离子回旋共振。

In this thesis, the beam dynamics inside the sector focused cyclotron and the general theory of its injection system are described in detail. The effects of space charge in sector focused cyclotron and spiral inflector are studied and calculated in two high intensity cyclotron's design.

本文比较系统地介绍了扇聚焦回旋加速器内部的束流动力学及其注入系统的一般理论，并结合两台具体的扇聚焦回旋加速器的设计讨论了在回旋加速器以及静电反射镜内空间电荷效应对束流的影响。

his paper mainly introduces the research activities conducted in recent years at CIAE in the field of high intensity cyclotrons, and some critical technologies we have as well as the research progress to date. The technologies presented in this paper include high intensity cyclotron physics; production, adjustment and control of high intensity H-ions; advanced magnetic technique, high-power and high-stability RF technology, vacuum and comprehensive cyclotron experimentations, etc.

本文主要介绍了中国原子能科学研究院自2000年以来在强流回旋加速器领域的研究工作进展和到目前为止所掌握的一些强流回旋加速器的关键技术，内容涉及强流回旋加速器物理，强流负氢束的产生、调节、控制与诊断技术，先进磁工艺技术，大功率高稳定度高频技术，真空技术，回旋加速器综合试验技术等。

Even Lawrence, who became in later years the main driving force of big-machine physics, had similar problems when he started to build cyclotrons. In 1931 he had acquired for his newest cyclotron a huge magnet that weighed eighty-five tons, but he had no building big enough for it and so the cyclotron remained unfinished.

甚至劳伦斯这位后来的巨型加速器物理学领头雁在开始建造回旋加速器时也遇到同样的问题，1931年，他最新一代回旋加速器要求装配一块85吨重的巨型磁铁，但他做的不够大，因此那台回旋加速器一直没有完工。

Designs of two high intensity cyclotrons are studied in these two chapters, one is 50MeV-5mA H〓 superconducting Sector Focused Cyclotron, the other is 17MeV-2mA H〓 Sector Focused Cyclotron.

第三章首先简单介绍了用于扇聚焦回旋加速器的各种注入方法以及在轴向注入时所采用的不同种类的静电偏转镜。

The accelerator physics problems of the upgrading program were discussed here, which include the space charge effect on the very low energy beam line, non-parity acceleration at the injector cyclotron SFC, longitudinal match between two cyclotrons, strong magnetic field leakage afluence on the beam transfer at low and very low energy, residual first harmonic magnetic field in the main cyclotron SSC injection region, the low efficiency and beam quality of heavy ions after through stripper etc.

主要问题有：超低能束流传输的空间电荷效应的影响，扇聚焦回旋加速器SFC高频加速电压不对称对束流轨道的影响，用半频聚束的方式补偿两台回旋加速器的纵向不匹配，前束线上聚束器的工作模式的选取，强杂散磁场对超低能和低能束流传输的影响，分离扇回旋加速器SSC注入区过垫补磁场对注入束流轨道的影响，SFC和SSC的单圈引出，重离子通过剥离膜后的束流损失和束流品质的变坏等。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。