基于Flash的冒泡排序算法的演示实现

本文利用简单易用的Flash和ActionScript技术,实现了仿真较高的冒泡排序算法的实现过程,具有直观,易于接受,逼真等特点,这对研究冒泡排序算法来说,具有一定的意义。     

VB冒泡排序的四种算法实现

排序是数据处理中很重要的技术之一,冒泡排序是实现排序功能诸多方法中的一种。根据冒泡排序算法思想,讨论了4种算法,并在Visual Basic环境中实现。     

改进冒泡排序算法的设计及分析

冒泡排序方法是籍助"交换"进行排序的一种最基本的方法,但效率低。本研究在冒泡法排序过程中根据上一趟排序的情况对下一趟排序时的开始比较位置和终止比较位置进行重新规定,可以有效地减少排序过程中的比较次数,从而提高效率。     

Bubble counter based on photoelectric technique for leakage detection of cryogenic valves

In order to overcome the inconvenience of manual bubble counting, a bubble counter based on photoelectric technique aiming for automatically detecting and measuring minute gas leakage of cryogenic valves is proposed. Experiments have been conducted on a self-built apparatus, testing the performance with different gas inlet strategies （bottom gas-inlet strategy and side gas-inlet strategy） and the influence of gas pipe length （0, 1, 2, 4, 6, 8, 10 m） and leakage rate （around 10, 20, 30, 40 bubbles/min） on first bubble time and bubble rate. A buffer of 110 cm^3 is inserted between leakage source and gas pipe to simulate the downstream cavum adjacent to the valve clack. Based on analyzing the experimental data, experiential parameters have also been summarized to guide leakage detection and measurement for engineering applications. A practical system has already been successfully applied in a cryogenic testing apparatus for cryogenic valves.     

中国房地产市场存在经济泡沫但并非泡沫经济

从经济泡沫和泡沫经济概念的区别入手,对比了美、泰、日三国房地产泡沫经济的原因及其特点,得出我国房地产市场并不符合泡沫经济,不会出现明显的“破裂”或“猛跌”的结论。说明我国房地产出现的泡沫是由真实需求支撑的一般性泡沫,表现的是供需两旺的态势。     

使用过滤溶媒作为润湿液进行除菌过滤泡点验证

通常对于疏水性的除菌过滤滤芯使用异丙醇作为润湿液进行泡点测试,通过对比异丙醇做润湿液采用了过滤溶媒(乙酸乙酯)作为润湿液进行了泡点测试,取得了最小泡点值。     

Using optical coherence tomography to characterize thick-glaze structure: Chinese Southern Song Guan glaze case study

Abstract

This study explores the structure characteristics of thick glaze, in terms of the case study of Chinese Southern Song Guan (SSG) ware, focusing on the bubble and its media structure, using a novel focus-tracking optical coherence tomography (OCT) system. The OCT images we obtained not only unveil the structural uniqueness of the thick-glaze SSG sample, but also establish a distinguishable structural pattern for aiding authentication. In addition, information revealed in our images provides a logical explanation for the subtle texture and tone of SSG glaze as well as insights into the technologies used in layering and firing these thick glazes.     

从web2.0到web3.0——看互连网泡沫消长

从Web 1.0 到Web 2.0 直至今日Web 3.0构想的提出,到底是概念的炒作还是网络发展真正的历史分期,是发展中的泡沫还是实质性的变革,这些都是值得我们深入思考的话题。本文就将沿着网络发展进程,探讨网络发展过程中、尤其是到当前WEB2.0时代,技术、经济管理模式、信息商品与服务提供以及市场需求等方面的泡沫成分及其成因等方面。从问题分析入手,对比Web1.0,立足Web2.0现状,剖析未来Web3.0的实质,以期为网络的未来发展走势作一些理性思考。     

Maxwell方程基于两个局部高斯积分的稳定化有限元方法

文章对Maxwell方程提出了基于局部高斯积分的稳定化有限元方法,并给出了先验误差估计.通过利用Mini元进行有限元离散,新的稳定项仅仅取决于Bubble函数,算法优势是使用两个局部高斯方法代替了投影算子,同投影方法起到了相同的效果,没有增加额外的项.     

Modeling of mass transfer characteristics of bubble column reactor with surfactant present

INTRODUCTION mass transfer coefficient, kLa, which depends fun- damentally on the superficial gas velocity and on Bubble columns are widely used in the the physical properties of the absorption phase.chemical industry where heterogeneous gas-liquid Numerous correlations have been proposed for theor gas-solid reacti…