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This paper introduces the studies of the ultra-short Thomson scattering X-ray source at the accelerator laboratory of Tsinghua University in recent years. Properties such as the photon yield,the pulse length and time jitter of the produced photon pulse were predicted theoretically from the parameters of the electron bunch and the laser pulse,and the scattering angle. Preliminary experiments were successfully carried out with a 16 MeV backward-traveling-wave accelerator and the ns-Q switched laser provided by China Academy of Engineering Physics. This paper also introduces the 1.6-cell electron gun that was fabricated on site and the experiment with high RF power including the measurement of the electron bunche parameters. Based on these,we have designed an X-ray source,which is now under construction.

介绍了清华大学加速器实验室近年来关于汤姆逊散射超短X射线源的研究工作；研究了在任意散射角度下电子束参数和激光束参数对散射光子参数的影响，给出了散射光子的参数如光子产额、脉冲长度、时间抖动等与电子束参数、激光束参数和散射角度的关系；利用实验室已有的16 MeV反波行波加速器与中国工程物理研究院激光聚变研究中心提供的ns调Q激光搭建了汤姆逊散射初步实验平台并开展了实验研究；加工了1.6-cell光阴极微波电子枪，搭建了高功率实验平台，对产生的电子束参数进行了初步测量；对汤姆逊散射超短X射线源进行了设计并开展了相关的平台建设工作，对产生的X射线脉冲参数进行了模拟。

Children's art emerged as an important creative source at this time. French artist of the last century in the 50's, Jean Dubuffet for example, used children's doodles as the source of his creative works, and strived to find unpretentious and straightforward ways to create. As for other creative methods, 80's artist Jeff Koon and the popular Japanese artists such as Yayoi Kusama and Takashi Murakami, also clearly showed in their works themes based on children's playthings as an important creative force.

由以往如法国艺术家杜比菲於上世纪五十年代以儿童涂鸦为题，在创作形式上追求那不经意的简朴直接方式创作，至另一种创作模式，如八十年代的艺术家如谢夫冠，以及在亚洲备受欢迎的日本艺术家如草间弥生、村上隆等，明显地就是采用儿童玩物作起点，作为一股重要的创意动力。

Research on Blind Source Separation and Its Application in Image Processing Abstract Blind source separation is a new powerful sig...

盲分离算法研究及其在图像处理中的应用盲分离技术是信号与信息处理领域中一个崭新的研究方向。

To ensure consistency at higher layers, the SSM session is announced by including the home address of the source, which is independent to the source's movement.

而SSM会话是由源的家乡地址来标识，它独立于源节点的移动，保证了会话的连续性。

Source analysis in a basin was of great significance of sandstone reservoir prediction, while heavy mineral was an important sign of source region.

盆地物源分析对砂岩储层分析预测具有重要的意义，而重矿物是物源区的重要标志。

The source of the mineral calcium that an Old English Sheepdog can easily assimilate can be hard for a different breed to assimilate and thus that other breed can develop kidney stones on the best source of calcium for an Old English Sheepdog.

矿物质钙源，对于英国古代牧羊犬来说是极易消化吸收的，这一点有别于其他品种，对于其他品种而言，过量的钙可以形成肾结石钙，但这是英国古代牧羊犬钙的最佳来源。

The first part, which mainly consists of Chapter One and Two, is about the theoretical source and historical investigation of the national theory of socialism with Chinese characteristics: ChapterⅠdescribes the theoretical source of the national theory of socialism with Chinese characteristics, its dissemination and primary development in China.

主要由第一章和第二章的内容构成：第一章，中国特色社会主义民族理论的理论来源及其在中国的传播与初步发展。

The open source project DbForms provides a solution that reduces the amount of coding to an absolute minimum.

开放源代码的项目DbForms提供了将代码的数量降至最低的解决方案。

The open source project DbForms prov ide s a solution that reduces the amount of coding to an absolute minimum.

开放源代码的项目DbForms提供了将代码的数量降至最低的解决方案。

The open source project DbForms provides a solution that red UC es the amount of coding to an absolute minimum.

开放源代码的项目DbForms提供了将代码的数量降至最低的解决方案。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。