N125MW汽轮机高中压缸偏移机理的试验研究与治理

通过分析某厂N125MW汽轮机组引起高、中压缸偏移的原因,并采取了相应的 在线治理措施,经运行和检修测量数据比较,证明了该措施具有防止并帮助汽缸复位的功能。     

A new wavelet-based measure of image focus

We present a new measure of image focus. It is based on wavelet transform of the image and is defined as a ratio of high-pass band and low-pass band norms. We show this measure is monotonic with respect to the degree of defocusation and sufficiently robust. We experimentally illustrate its performance on simulated as well as real data and compare it with existing focus measures (gray-level variance and energy of Laplacian). Finally, an application of the new measure in astronomical imaging is shown.     

Robust stability of perturbed switching systems by matrix measure

The robust stability of switching systems is a very difficult problem because of the difficulty in separating the perturbations of the models and the reset maps. In this paper, we apply matrix measure to separate the perturbations of the models and the reset maps. Then the conditions for robust stability of perturbed switching systems with structured perturbations can be readily derived. Sufficient conditions for robust stability of switching systems are proposed, and bounds for structured perturbations based on nonnegative matrices that still ensure stability are derived.     

时变区间矩阵的稳定性研究

本文用矩阵测度研究了时变区间矩阵的稳定性,给出了时变区间矩阵稳定和不稳定的充分条件。     

搪玻璃爆瓷的机理研究

对搪玻璃爆瓷的机理进行分析,验证了实验结果,提出解决搪玻璃爆瓷的工艺措施,对产品的工艺条件进行了探讨。     

水泵高精度测试技术研究

对水泵测试技术发展现状进行了研究，讨论了保证和提高测试精度的必要性，指出了实现高精度测试的途径和方法。     

广西水土流失特点与防治对策

对广西水土流失的历史及现状综合分析后认为：人类违背自然规律的生产活动是导致水土流失的主要因素；水土流失主要发生在花岗岩和碳酸盐岩地区；水土流失的范围广，难题到轻，中等强度为主。应以预防为主，强化法治；因地制宜，分类治理为主要防治的对策。     

斜井提升断绳分析及实验研究

对斜井提升断绳问题作了详尽的分析研究，找出了断绳原因，提出安全制动引起的松绳危险性，导出了松绳量与冲击力的关系式．并通过实验研究，提出４点结论，为设计和使用提供了可靠依据．     

广义奇异积分算子在空间L~（p，ψ）上的有界性

在齐型空间上定义了广义奇异积分算子后，建立了该算子在广义Ｍｏｒｒｅｙ－Ｃａｎｐａｎａｔｏ空间Ｌｐ，上的有界性，推广了有关结果．     

一类非线性渗流方程的初值问题

本文讨论比较一般的一类非线性渗流方程以ＲＮ中某一Ｒａｄｏｎ测度为初始迹的初值问题弱解的存在性及唯一性。