为了解决化肥设备中水冷器防腐涂层厚度的测量问题,我厂研制成NTH-1型内孔涂层测厚仪并通过技术鉴定,现已批量生产. 这种仪器是化......

随着计算机网络的发展和普及,互联网接入方式也呈现多样化发展的态势,光纤接入方式存在诸多不足,因此研究互联网接入的新方式成为......

等高线自动综合在制图综合中占重要地位。等高线综合通常有两种方法:一是单根线综合,其方法已基本趋于成熟,本文特对常用的几种方......

针对互联网接入方式的发展趋势，在分析了光纤接入方式存在的不足后，提出了一种基于多ADSL的网络接入方式，实现信号的高速传送。详细介......

In this paper we propose two original iterated maps to numerically approximate the nth root of a real number. Comparison......

In this paper, there are 5 sections of tables represented by 5 linear sequence functions. There are two one-variable seq......

The notion of preordering, which is a generalization of the notion of ordering, has been introduced by Serre. On the oth......