同步辐射

In chapter 5, we present the analytic spectrum and light curve of these synchrotron radiating electrons, applying a treatment more reansonable and stricter than methods in the literature and convenient for calculating those of synchrocurvature to reveal physical nature of the magnetic field formation and acceleration of particles in shock.

在第五章，我们给出了这些电子能谱的解析同步辐射谱和光变曲线。我们的处理方法比文献中的方法更合理且更严格。它也更方便我们下面利用同步曲率机制去计算余辉的辐射谱和光变曲线，以期揭示激波中磁场形成及粒子加速过程的物理内涵。

At BESSY,ten elliptical undulator beamlines are operating in the VUV and soft X-ray range,which enables the polarisation state of the synchrotron radiation to be changed from linear to left-or right-handed circular.

在BESSY同步辐射装置中，有10条椭圆波动器光束线，这可使同步加速器辐射的偏振态从线偏振光转变为左旋或右旋圆偏振光。

In electron storage rings, the interactions by beams with residual gas produce the bremsstrahlung which has not been sufficiently understood and is the main course of the loss of the beam.

由于加速器产生高能粒子，在实际应用中必须面临辐射防护方面的问题。加速器储存环直线节中残余气体产生的轫致辐射是同步辐射装置中光束线防护的重要课题之一。

The synchrotron radiation light source used in LIGA technique for deep lithography is becoming more and more important because of its unique qualities-(1) high brightness, usually being 10〓~10〓 times of common X-ray light source;(2) good collimate, the angle of divergence of synchrotron radiation light source could be compared with that of laser light source.

由于同步辐射光源具有（1）亮度高，比一般X射线源高10〓~10〓倍，（2）准直性好，辐射张角可以与激光相比的特点，因而，利用同步辐射光源作为LIGA技术中深度光刻光源正日益受到重视。

They include: 1. A supersonic beam of NO molecule mixed with Ar atom is ionized by VUV synchrotron radiation from Hefei Light Source at National Synchrotron Radiation Laboratory.

它们包括： 1。首次利用国家同步辐射实验室合肥光源的真空紫外同步辐射，使NO分子和Ar原子混合物的超声分子束发生光电离，测量了Ar，NO和异类团簇Ar·NO的光电离效率谱。

We also give the synchrocurvature radiation spectrum in plasma and explore the effects of plasma on its self-absorption properties.

虽然在真空中同步曲率辐射与同步辐射一样没有负吸收放大作用，但等离子体对辐射谱和自吸收性质有重大影响，在考虑活动星系核等天体中等离子体的辐射问题时必须考虑。

All of these achievements push the development of applied synchrotron radiation techniques, including synchrotron radiation beamline technique.

这一发展趋势强劲地推动了同步辐射技术的发展。同步辐射传输技术或者称同步辐射光束线技术就是其中之一。

The study about the flux and index of gamma-ray loud blazars show:(1)there is significant correlation between the luminosities in gamma-ray and VLBI radio energy band;(2)there are strong anticorrelarions among the observed indices of soft X-ray, hard X-ray and gamma-ray. For the FSRQs, the whole X-ray emission was contributed by synchrotron self-Compton emission, for the HBLs, the X-ray emission was dominated by synchrotron emission while the soft X-ray emission is dominated by synchrotron emission and the SSC emission dominate the hard X-ray energy band for LBLs;(3) there are strong radio-radio and radio-optical flux correlations for the quasar 3C 273. The higher frequency emission leads those in lower frequency. The multi-band complex indices strongly correlated with the high frequency flux which implies that the object is becoming bright when the energy spectrum is harden.

通过对γ噪Blazar天体的谱指数、流量的相关研究，发现（1）51个样本blazar的γ射线光度与VLBI光度之间存在显著相关；（2）软X、硬X以及γ波段的观测谱指数之间存在较强的反相关，对FSRQs，无论是硬X射线还是软X射线的辐射都是逆康普顿辐射的贡献，而对于HBLs来说，则是同步辐射的贡献，对LBLs，在软X射线波段以同步辐射贡献为主，在硬X射线能区以逆康普顿贡献为主；（3）3C 273的射电各个波段以及光学之间存在强相关，高频辐射一直领先低频辐射，3C 273的多波段复合谱指数和高频流量之间存在强的反相关，意味着当能谱变硬时对象变亮。

Our result has demonstrated that synchrotron X-rays have similar damage effects to SAMs with –CH3 or O=C-OH tail group, and S-Ag bond is much resistant to X-ray induced damage than S-Au bond.

因此，以比较硫-金属键结强度的方法来做为受到同步辐射X光破坏程度的指标，本研究显示：同步辐射X光对-CH3及O=C-OH尾端官能基之硫醇分子的破坏作用相近，且S-Ag键结抵抗X光破坏能力比S-Au为强。

The fine-beam diffraction of ferroelastic twins has been studied in detailfor the first time,and we have demonstrated the spot splitting of the a-typeferroelastic twin of NdP5O14 in its Laue pattern.With the help of computersimulation,the twin symmetry and structures were determined from the char-acteristics of the spot splitting.

在同步辐射微衍射中，我们首次在NPP a-型孪晶界的微衍射Laue图中发现Laue斑点分裂现象，结合NPP的自发应变，借助于计算机模拟，我们确定了这种挛晶的对称性与结构，并发展了一套利用同步辐射微衍射研究晶体中取向孪晶对称性的方法。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。