Research Status and Prospects of the Self-Repairing Concrete

2011 ◽  
Vol 250-253 ◽  
pp. 393-396
Author(s):  
Jie Sun ◽  
Wen Xia Ding
Keyword(s):  
Development Trend ◽  
The Self ◽  
Traditional Methods ◽  
Research Status ◽  
Existing Problems ◽  
The Development Trend ◽  
At Home

Self-repairing concrete is that adhesive agent is composited inside the concrete to form the self-repairing system and automatically repair the damaging materials. It can solve some problems that are difficult to be solved by the traditional methods. The development background of the self-repairing concrete and the present research at home and abroad were reviewed. The existing problems of the present studies were also elaborated. Moreover, the development trend and the application prospect of the self-repairing concrete were forecast.

The Trend and Actuality of Hybrid Power Loaders

2014 ◽  
Vol 621 ◽  
pp. 649-654 ◽  
Author(s):  
Yao Wang ◽  
Ding Xuan Zhao ◽  
Zhan Li Wang ◽  
Yan Juan Hu
Keyword(s):  
Energy Conservation ◽  
Development Trend ◽  
Construction Equipment ◽  
Broad Application ◽  
Hybrid Technology ◽  
Research Status ◽  
Hybrid Power ◽  
The Development Trend ◽  
At Home

Hybrid technology has already been recognized as the direction of energy conservation and reduction by world, thus it has drawn the universal concern of Engineering Machinery enterprise and the researchers. Loader as the representative of construction equipment for its high quautity and broad application over the market. In this paper, based on the categories of the hybrid power loader and combined with the latest research achievements at home and overseas,the research status of hybrid power loader has been summarized,while pointing out the problems in the development of hybrid power loader.Besides,the text also analyzes the development trend of hybrid power loader.

Development of High Speed Precision Press and its Development Trends

2016 ◽  
Vol 693 ◽  
pp. 89-92
Author(s):  
M.H. Xiao ◽  
L.B. Yu ◽  
G.H. Li ◽  
W.J. Liang
Keyword(s):  
High Speed ◽  
Development Trend ◽  
Development Trends ◽  
Research Status ◽  
The Development Trend ◽  
At Home

High speed press is precision mechanical presses, with automatic feeding device, which has automatic, high-speed, precision three basic elements. This paper first describes the characteristics of the different definitions of high-speed presses and the characteristics of the object suitable for processing parts. Then the research status of high speed precision press at home and abroad was analyzed, and the development trend of high-speed precision presses was investigated.

scholarly journals Current Status of Macroscopic Zoological Research and Development Trend in the Next Five Years

2018 ◽  
Vol 1 (1) ◽  
Author(s):  
Zhiguo He ◽  
Yutao Wang
Keyword(s):  
Research And Development ◽  
Development Strategy ◽  
Conservation Biology ◽  
Development Trend ◽  
Current Status ◽  
Research Status ◽  
The Development Strategy ◽  
The Development Trend ◽  
At Home

This paper discusses the research status of animal systematics, animalbehavior, and conservation biology at home and abroad and the development trend in the next five years, and puts forward some suggestions for the development strategy of macroscopic zoology in China.

scholarly journals Review and Development Trend of Digital Hydraulic Technology

2020 ◽  
Vol 10 (2) ◽  
pp. 579
Author(s):  
Qiwei Zhang ◽  
Xiangdong Kong ◽  
Bin Yu ◽  
Kaixian Ba ◽  
Zhengguo Jin ◽  
...  
Keyword(s):  
Energy Saving ◽  
Developmental Process ◽  
Development Trend ◽  
Research Status ◽  
Uniform Definition ◽  
Definition Of ◽  
The Development Trend ◽  
Exact Definition

Since the emergence of digital hydraulic technology, it has achieved good results in intelligence, integration, energy saving, etc. After decades of development, and it has also attracted wide attention in the industry. However, for many years, the definition of digital hydraulic technology has differed between researchers, and there is no uniform definition. Such a situation affects the development of it to a certain extent. Therefore, this paper gives the exact definition of digital hydraulic technology based on a large number of researches on it. At the same time, the paper analyzes the research status and developmental process of the such a technology, and we forecast the development trend of it.

Research Status and Development Trend of Electromagnetic Defect Detection Logging

2013 ◽  
Vol 325-326 ◽  
pp. 856-860
Author(s):  
Zheng Guo Yan ◽  
Lin Zhao
Keyword(s):  
Defect Detection ◽  
Hot Spot ◽  
Development Trend ◽  
Research Status ◽  
Advantages And Disadvantages ◽  
Detection Technology ◽  
Metal Thickness ◽  
Theory Research ◽  
The Development Trend

Electromagnetic defect detection logging can measure multilayer pipeline and provide the information of casing defect and the remaining metal thickness, is the hot spot of the casing defect detection technology. This paper elaborates the advantages and disadvantages of electromagnetic defect detection logging and the present instrument situation, compares technical indexes of several new electromagnetic casing defect detection instruments, summarizes the latest research status, points out the problems existed in current researches and the development trend combining with the instrument index and theory research.

Recent Progress of Vibration Analysis on Fault Diagnosis for Rolling Bearing

2011 ◽  
Vol 84-85 ◽  
pp. 544-547
Author(s):  
En Gao Peng ◽  
Zheng Lin Liu
Keyword(s):  
Fault Diagnosis ◽  
Vibration Analysis ◽  
Recent Progress ◽  
Roller Bearing ◽  
Rolling Bearing ◽  
Development Trend ◽  
Existing Problems ◽  
Detection Approach ◽  
Diagnosis Method ◽  
The Development Trend

Rolling bearing is extensively used in various areas including shipbuilding, aircraft, mining, manufacturing, agriculture, etc. The breakdowns of the bearings may do unexpected hazardous to the machinery. Therefore, it is crucial for engineers and researchers to monitor the bearing conditions in time in order to prevent the malfunctions of the plants. Hence the vibration analysis accompanying other condition monitoring methodologies has been successfully used in the field of roller bearings fault diagnosis as well as other key components. The fault diagnosis method of roller bearing using vibration analysis was introduced in this paper. And the development trend of vibration analysis was presented. Meanwhile the main existing problems in fault diagnosis of roller bearing were discussed. It concludes that the integration of vibration analysis and other detection approach can provide effective and reliable fault diagnosis results.

The Review of Dynamic Voltage Restorer in Power System

2013 ◽  
Vol 339 ◽  
pp. 558-560
Author(s):  
Xue Song Zhou ◽  
Hao Wu ◽  
You Jie Ma
Keyword(s):  
Electric Power ◽  
Basic Structure ◽  
Development Trend ◽  
Power Device ◽  
Voltage Sag ◽  
Dynamic Voltage Restorer ◽  
Existing Problems ◽  
Voltage Restorer ◽  
Dynamic Voltage ◽  
The Development Trend

Dynamic Voltage Restorer, as an important electric power device, used to deal with the voltage sag. In the front of the article, the voltage sag is introduced firstly, and then shows the basic structure and principle of Dynamic Voltage Restorer, research status, existing problems. Finally I will try to give the development trend of Dynamic Voltage Restorer.

The Research Progress of Automatic Drilling Technology

2012 ◽  
Vol 591-593 ◽  
pp. 432-435 ◽  
Author(s):  
Wei Lin ◽  
Ping Yu ◽  
Chun Peng Zhang ◽  
Peng Zhang
Keyword(s):  
Frequency Conversion ◽  
Development Trend ◽  
Research Progress ◽  
Broad Application ◽  
Structure Characteristics ◽  
Drilling Technique ◽  
Drilling Technology ◽  
Drilling System ◽  
The Development Trend ◽  
At Home

This paper summarizes the current research condition of automatic drilling technology at home and abroad, it analyses the current type of automatic drilling combined with concrete examples. By comparing the working principles and structure characteristics of the automatic drilling, it points out the shortcomings of the existing technology and the development trend of the automatic drilling in our country. It is considered that AC frequency conversion motor technology and full hydraulic automatic drilling technique should be emphatically promoted, so many due improvements should be made on automatic drilling in China. Finally it makes a conclusion that the intelligent drilling must be achieved and automatic drilling system as the indispensable important part of intelligent drilling will have more broad application prospect in intelligent drilling.

Study on Beijing’s Energy Utilization and Forecast Energy Supply and Demand Based on Grey Model

2011 ◽  
Vol 361-363 ◽  
pp. 1240-1243
Author(s):  
Hong Ze Li ◽  
Sen Guo ◽  
Li Wen Fu
Keyword(s):  
Energy Supply ◽  
Supply And Demand ◽  
Development Trend ◽  
Current Situation ◽  
Energy Resources ◽  
Energy Utilization ◽  
Existing Problems ◽  
Grey Forecasting ◽  
External Dependence ◽  
The Development Trend

Beijing is a typical city of energy resources shortage and there exists the contradiction between energy supply and demand. This paper analyzes the current situation and existing problems of Beijing’s energy utilization, and then forecasts Beijing’s energy supply and demand from 2011 to 2015 based on four kinds of grey forecasting models, finds out that the equilibrium of Beijing’s energy supply and demand is fairly weak with higher external dependence and there is a large room for improving the proportion of quality energy and for developing and utilizing renewable energy. Finally, on the basis of the current situation of Beijing's energy utilization and the development trend in the next few years, some suggestions are proposed.

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