scholarly journals Progress in Research and Application of Natural Polymer Coagulants

2020 ◽  
Vol 143 ◽  
pp. 02042
Author(s):  
Xiao Yu ◽  
Ying Fu

In recent years, natural polymer coagulant has become a hot spot in the field of coagulants due to its safety, harmlessness and biodegradability. This paper introduced the status quo of research of natural polymer coagulants such as starch, chitosan, cellulose and lignin coagulants. And some hot applications in water treatment were discussed, such as heavy metal wastewater, dye wastewater, microalgae collection and sludge dewatering. Finally, the development trend of natural polymer coagulants was prospected.

2018 ◽  
Vol 176 ◽  
pp. 02013 ◽  
Author(s):  
Qinqin Yu ◽  
Kaining Meng ◽  
Juanling Guo

Based on the understanding of are used, the jewelry material, the method of modeling semantics is applied to know more about the application of traditional materials and modern materials in the jewelry design. The related design principle of the innovative combination of the silver material, traditional material and modern material in the jewelry design was analyzed, and the status quo of the modern silver jewelry design was solved, which is monotonous in the combination materials, old-fashioned in pattern and conservative in the creation style. Hence, the innovative application of materials, innovative expression of patterns, and the creation style that integrates culture and art was realized. The development trend of silver jewelry design was explored, which can provide more direction for the development of silver jewelry in the future.


2019 ◽  
Vol 11 (13) ◽  
pp. 3716 ◽  
Author(s):  
Yingling Shi ◽  
Xinping Liu

Since the 21st century, the concept of green building has been gradually popularized and implemented in more countries, which has become a popular direction in the area of sustainability in the building industry. Over the past few decades, many scholars and experts have done extensive research on green building. The purpose of this paper is to systematically analyze and visualize the status quo of green building. Therefore, based on Web of Science (WoS), this paper analyzed the existing knowledge system of green building using CiteSpace, identified keywords related to green building and their frequency of occurrence using the function of keyword co-occurrence analysis, recognized five clusters using the function of cluster analysis, and explored the knowledge evolution pattern of green building using citation bursts analysis in order to reveal how research related to green building has evolved over time. On the basis of aforementioned keywords, clusters, and citation bursts analysis, this paper has built a knowledge graph for green building. This paper can help readers to better understand the status quo and development trend of green building and to easier recognize the shortcomings in the development of green building, so as to provide a promising direction for future research.


2012 ◽  
Vol 263-266 ◽  
pp. 2746-2750
Author(s):  
Ling Tian ◽  
Wan Xin Xue ◽  
Xiaohong Wang

Shandong Quanxing enterprise, a Chinese traditional coal enterprise to build e-commerce website actively for offering all coal-related information and services, expansion of company, promote the corporate image, optimize the internal structure, reduce operation costs, simplify distribution procedures and so on, was built in Dec 2005. This paper surveys the status quo of e-commerce application in Shandong Quanxing enterprise comprehensively from the perspective of technology, management, website, operation and cooperation. Based on the analysis and current development trend of e-commerce application, this paper puts forward with some suggestions for Shandong Quanxing enterprise.


2012 ◽  
Vol 573-574 ◽  
pp. 766-771 ◽  
Author(s):  
Qian Lan Yang ◽  
Ying Zhang

The traditional evaluation methods usually use static and linear techniques to analyze the target audience, and it cannot fully and dynamically reflect the status quo and development trend of the evaluation object. Therefore, applying these methods to evaluate the sustainable development trend of the scenic deficiencies which is a complex and giant system has some deficiencies. In order to solve the above problem, this thesis is based on the management entropy theory, and will create the methods of traditional evaluation.


2013 ◽  
Vol 325-326 ◽  
pp. 856-860
Author(s):  
Zheng Guo Yan ◽  
Lin Zhao

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.


2013 ◽  
Vol 401-403 ◽  
pp. 856-858
Author(s):  
Hong Mei Li

As textile printing technology continues to improve, fabric printing changes from in a technical workshop into a science hall. Hitherto unknown achievement is being made. Printing technology is going towards environmental protection, saving energy and reducing consumption. Ecological printing is not only the status what textile development needs, but also the development trend of textiles in future. This paper focuses on the ecological printing and special printing technology.


2014 ◽  
Vol 687-691 ◽  
pp. 3199-3202
Author(s):  
Wei Hua Chen ◽  
Yan Wei Chen

In the view of the safe and stable operation of power system in the extreme environments, the status and the role of two typical provincial power systems in China were analyzed. Combined with the spatial and temporal distribution characteristics of this total solar eclipse in July 22, the operations of the two provincial power systems in different regions during the total solar eclipse were compared. The main impacts of the development process of the total solar eclipse on power systems were analyzed. At last, combined the development trend of the extreme environments in the world, how to reduce the running risk of power system in the extreme environments by the crisis dispatch was explored.


2020 ◽  
Vol 143 ◽  
pp. 01008
Author(s):  
Mengyun Li ◽  
Kun Lu ◽  
Hongyu Wang ◽  
Sai Wang

More and more attention has been paid to the application of Building Information Modeling (BIM) in the field of greenhouse-gas (GHG) emissions in Architecture, Engineering and Construction (AEC). However, systematic analysis and visualization of its development trend have not been carried out. This paper combined digital statistical method and scientometrics to analyse major documents published in the Scopus database from 2008 to September 2019 and discussed the development trend, the main journals co-citation and keywords co-occurrence of this field. And then main challenges and future research were summarized by content analysis. The results show that: (1) the number of articles related to integrating BIM with GHG emissions has increased significantly in AEC, which deserves more and more scholars to study in this field; (2) top cited journals mainly focus on built environment, BIM and clean technology; (3) BIM and Life Cycle Assessment (LCA) are the mainstream issues in the calculation, analysis and decisionmaking of GHG emissions. This review provides status quo and existing main challenges of knowledge system of BIM applied to GHG emissions in AEC, and also offers inspiration for future research.


2019 ◽  
Vol 278 ◽  
pp. 05002
Author(s):  
Jianhua Lyu ◽  
Jia Xiang ◽  
Junqi Zhao ◽  
Ming

This study was performed to investigate the status and exiting problems of bus station design use by using comparative analysis, literature analysis, case analysis and other methods, then provide references for functional requirements of bus station. The theoretical and practical analysis says that principle of sustainability, demand, safety, humanization and cultural heritage should be considered in bus station design. Finally, the research results of this study were demonstrated by the case of two bus station design plans, and the development trend of bus station design are forecasted in order to provide certain scientific basis for the design of bus station in the future.


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