Volume 20,Issue 5,1997 Table of Contents

1 Performance Study on Heat Transfer and Pressure Drop of the Automotive Radiators

1997, 20(5):1-5.

[Abstract](991) [HTML](0) [PDF 223.80 K](151)

Abstract:
实验测量了ＳＣ７０８０型汽车散热器的传热与风阻特性，并与Ｒ．Ｌ．Ｗｅｂｂ的理论计算公式的计算结果进行了比较。修正了Ｗｅｂｂ理论计算公式中关于汽车散热器风阻的计算方法，计算结果与不同散热带节距的管带式汽车散热器的实验结果基本吻合。

2 An Adaptive Detecting Approach of Harmonic Currents Based on ANN

Wang Qun Zhou Luowei Wu Ning

1997, 20(5):6-11.

[Abstract](570) [HTML](0) [PDF 299.02 K](136)

Abstract:
根据信号处理中的自适应噪声抵消技术，提出了一种基于神经网络的自适应谐波电流检测方法。该方法适用于有源电力滤波器。仿真结果表明了这种谐波电流检测方法的有效性。

3 The Simulating and Actual Measuring Calculation of the Inverse Problem of Circular Low Frequency Electric Current Field

Li Xianliang Zhou Shouchang Yao Degui

1997, 20(5):12-15.

[Abstract](654) [HTML](0) [PDF 227.01 K](124)

Abstract:
The inverse problem of circular low frequence electric current field is calculated using simulated and actually measured data by modified iterative equipotential line algorithm.

4 Experimental Study on the Oxidation of CO Using Pulsed Corona

Lei Yuyong Li Xiaohong Lu Yiyu Xiao Hong

1997, 20(5):16-21.

[Abstract](435) [HTML](0) [PDF 297.11 K](175)

Abstract:
Experimental study on the oxidation of CO using pulsed corona has been performed.The results show that the rate of removal of CO could be reached up to more than 80%.It could be applied in the industrial control of air pollution.

5 Study on Affection to Permeability of Gas of Coal Layers by Effective Stress

Jiang Deyi Zhang Guangyang Hu Yaohua Liu Liping

1997, 20(5):22-25.

[Abstract](582) [HTML](0) [PDF 173.33 K](854)

Abstract:
The affection to the permeability of the gas of coal layers by the effective stress is studied and the relationship between the permeability and the effective stress which is a three order polynomial is derived and is verified by experiment.

6 Study on Dynamical Characteristic of Epicyclic Gear Drive with Internal Tooth

Zhu Caichao Qin Datong Li Runfang Chen Zongyuan

1997, 20(5):26-32.

[Abstract](629) [HTML](0) [PDF 322.14 K](890)

Abstract:
The epicyclic gear drive with internal tooth is analysed,a dynamic analysis model which is based on the compatibility conditions of deformation is set up.On the basis of this model,the analysis of dynamics and kinematics is made,and the influence of design parameters on dynamical characteristic is also studied.

7 The Conversion Calculation and Graph Simulation about Engineering CAD of CNC Pipe Bender

Ni Lin Zhang Xiangwei

1997, 20(5):33-38.

[Abstract](589) [HTML](0) [PDF 277.19 K](1147)

Abstract:
Some conversion calculation formulas from the XYZ axises to PRB axises of CNC Pipe Bender are set up.The calculation model of graph simulation about moving process of Pipe Bender is set up.Finaly a CAD software is programmed.

8 Research on Blocking and Flooding Behaviours of BF Slag Containing High TiO 2 in Blast Furnace

Wen Guangyuan Peng Henian Tang Wei

1997, 20(5):45-51.

[Abstract](566) [HTML](0) [PDF 342.53 K](1240)

Abstract:
Smelting process of BF has been patterned with the high-temperature melting-dropping furnace in laboratory,blocking and flooding behaviours of slag containing high TiO 2 in BF have been tested,influences of gas velocity,content of TiO 2,reduced degree of TiO 2 and interface properties of slag-coke on blocking and flooding of molten slag in BF have been researched.

9 The Features of Refuse Iucinerating Process and the Sketch of Incinerator Design

Qu Chaoshu

1997, 20(5):52-57.

[Abstract](605) [HTML](0) [PDF 356.30 K](1205)

Abstract:
This paper presents the important features of incinerating living refuse and the regularities of incinerating process in drying,burning and burning up stages respectively by the anthor in laboratory and practise operating in incinerator for many years,and gives the sketch of advances in design incinerator.

10 Restraining Respiratory Baseline Drift of Impedance Cardiogram Signals Using Wavelet Transform

Zheng Xiaolin Wang Zhigang Wu Nan Xiao Lan

1997, 20(5):58-62.

[Abstract](608) [HTML](0) [PDF 203.93 K](891)

Abstract:
提出了基于小波变换的循环减法来抑心阻抗微分波呼吸基线漂移。仿真表明，在呼吸基线漂移较大的情况下，该法可有效抑制多而又不使信号失真。

11 A Simplified Denoising Algorithm with Wavelet Transform

Chen Dongyi Cao Changxiu Zhu Binglian Zhou Jianwei

1997, 20(5):63-67.

[Abstract](706) [HTML](0) [PDF 250.44 K](804)

Abstract:
This article explains the mathematical characterization of singularities with Lipschitz exponents and how to compute Lipschitz exponents.The principle and advantage of denoising with wavelet are reviewed.At last,a new simplified practical denoising algorithm is given.

12 Study on the Mechanic Product Parallel Design System Based on Characteristic Technology

Liao Xiaoyun Zhang Genbao Lei Wenyu Xu Zongjun

1997, 20(5):73-77.

[Abstract](470) [HTML](0) [PDF 253.59 K](757)

Abstract:
In this paper ,the parallel design method and its property are discussed,a parallel design system structure based on characteristic technology is presented,and a valve parallel system is developed,and it successfully works in a factory.

13 A Study on the Influence of Decision upon Stock Price

Li Yuxiang Liu Xing

1997, 20(5):78-82.

[Abstract](615) [HTML](0) [PDF 217.17 K](131)

Abstract:
This paper applies the multiple linear regression to study the influence of dividend decistion on the stock price.The result of research displays stock for the influence order from big to small:earnings for share,stock dividend,cash dividend.

14 The Research on Dynamic Measurement System of Bulk Material Flow

Zhang XumeiDan BinLiu FeiYan ChunpingYang Yu

1997, 20(5):83-88.

[Abstract](686) [HTML](0) [PDF 253.72 K](119)

Abstract:
Basis on the mathematical model of dynamic measurement of bulk material flow which had been derived by authors,a dynamic measurement method of bulk material flow was proposed.A new dynamic measurement system of bulk material flow was developed.The practical use showed that the system can achieve the measurement accuracy of less than 0.25%.

15 A New Type of Real-time Monitoring and Fault Diagnosis System Based on DOS/Windows

Huang Shiqi Ding Yong Xie Zhijiang

1997, 20(5):95-98.

[Abstract](453) [HTML](0) [PDF 221.33 K](305)

Abstract:
介绍了一种基于ＤＯＳ／Ｗｉｎｄｏｗｓ双平台的新型在线监测与故障诊断系统，以及其设计思想和软、硬件构成。另外，还给出了实现该系统的部分细节技术问题。

16 An Overview on Fiberoptic Sensing Technology in Smart Civil Structure

Zhao Tingchao Huang Shanglian Chen Weimin

1997, 20(5):104-109.

[Abstract](409) [HTML](0) [PDF 405.41 K](118)

Abstract:
The paper discuss the concept of fiberoptic smart civil structure,and analysis the principle of non destructive evaluation of civil structure with the help of embeded fiberoptic sensor in sensing the inner state and integrity of the structure.The typical experiment and development of fiberoptic sensing system in the health monitoring of dam,highway,bridge and buildings are overriewed.

17 On the Negative Effects of Internet

Wang Kang Wu Zhongfu

1997, 20(5):114-118.

[Abstract](819) [HTML](0) [PDF 279.31 K](160)

Abstract:
This paper outlines the development of Internet in the international and domestic situations, and then discusses the negative effects , the problem of the information-safety and crime brought in by the Internet . The paper also brings forward the safe-defence measures that should take for the well development of Internet.

18 A Study on the Reduction of Hexavalent Chromium Ion in the Process of Sintering and Ironmaking

Li Zushu Xu Chushao Chen Guangbi

1997, 20(5):119-124.

[Abstract](565) [HTML](0) [PDF 277.69 K](153)

Abstract:
The basic principle of using chromium leach residue as melting flux of blast furnace is introduced in this paper.The reduction thermodynamics of Na 2CrO 4 and chromium oxides in the process of sintering and ironmaking is studied,and the simulating experiments in the laboratory and industrial experiments in 600 m 3 blase furnace are carried out.The results of thermodynamical study and experimental study show that hexavalent chromium ion in the burden can be well eliminated in the process of sintering and ironmaking.

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