The Coal Chemical Industry and Technology Innovation Service System Research Review

2011 ◽  
Vol 396-398 ◽  
pp. 1164-1169
Author(s):  
Xun Lian Si ◽  
Shu Xia Song
Keyword(s):  
Chemical Industry ◽  
Coal Gasification ◽  
Service System ◽  
Chain Extension ◽  
Research Review ◽  
System Construction ◽  
Industry Chain ◽  
The Core ◽  
Technological Chain ◽  
Oil Crisis

The vaporization and liquefied coal has important value to answer oil crisis for us, in technological chain support ,The coal chemical industry chain extension dependent on coal chemical industry innovation service system construction. In this paper,the author settled the coal chemical industry and technological innovation service system construction of research and development present situation, puts forward a ultimate extension of the technological chain is mature coal gasification technology, in industry chain the core industry is coal gas industry in the future,While improving the coal chemical industry innovation service system can effectively support technological chain the realization of the goal technique, also can promote the formation of the core industry chain.

A Study on the Core Competency for Product-Service System

2015 ◽  
Vol 29 (2) ◽  
pp. 171-195 ◽  
Author(s):  
Hong, Yong-pyo ◽  
Young Jun Kim
Keyword(s):  
Service System ◽  
Core Competency ◽  
Product Service System ◽  
The Core ◽  
Product Service

scholarly journals The Study of Personalized Intelligent Cooperative Teaching Service System Based on Grid

2012 ◽  
Vol 4 ◽  
pp. 9-12
Author(s):  
San Jun Liu ◽  
Yan Feng Zhang
Keyword(s):  
Professional Training ◽  
Service System ◽  
Training System ◽  
Grid Technology ◽  
Traditional Teaching ◽  
Grid Services ◽  
Core Component ◽  
Detailed Design ◽  
Cooperative Teaching ◽  
The Core

By studying the theory and method of the Grid Services and analyzing the drawbacks of the traditional teaching system, the article presents a personalized intelligent cooperative teaching service system based on grid. Simultaneously, it makes use of the grid technology to detailed design the teaching service engine. The engine is the core component of the system, it break down and mix of the distributed teaching service sources to provide the advantage of free the usual limitation of space and regions and can work at any time and at any place. The prototype PSPTS software system is developed which can provide useful reference and experiences for institutions or the relevant researches of the enterprise professional training system.

Use of UML Stereotypes in Business Models

2011 ◽  
pp. 262-272 ◽  
Author(s):  
Daniel Brandon Jr.
Keyword(s):  
Business Models ◽  
System Construction ◽  
Business Systems ◽  
The Core ◽  
Extension Mechanism ◽  
Design Drawing

This chapter presents some particularly useful UML stereotypes for use in business systems. Stereotypes are the core extension mechanism of UML. If you find that you need a modeling element or information extension to an element that is not in UML but it is similar to something that is, you treat your addition/extension as a stereotype. These new stereotypes are defined and the need for them is discussed. The stereotypes aid in both the design/drawing phase and in the implementation (coding) phase of the overall system construction. An example case study illustrates their usage with both design drawings and the implementation code (C++).

Research on the Low-Carbon Technology Innovation System of Petroleum Enterprises

2014 ◽  
Vol 521 ◽  
pp. 810-814
Author(s):  
Jie Luo
Keyword(s):  
Technological Innovation ◽  
Technology Innovation ◽  
Innovation System ◽  
Decisive Role ◽  
System Optimization ◽  
System Construction ◽  
Low Carbon ◽  
The Core ◽  
Enterprise Technology ◽  
Core Activity

Technological innovation is the core activity of petroleum enterprises. Low-carbon technology innovation system construction and optimization play a decisive role for improving the ability of technological innovation and sustainable development. Based on analyzing the meaning of enterprise technology innovation system, detailed the structure of the low-carbon technology innovation system of petroleum enterprises, pointed out the direction and the main content of the low-carbon technology innovation system optimization, and provided a reference for Chinese petroleum enterprises to develop low-carbon technology innovation.

Discussion on the development of salt chemical industry chain

2014 ◽  
Vol 88 (s1) ◽  
pp. 421-421
Author(s):  
Peng JIN ◽  
Qiang CUI ◽  
Xufeng WANG
Keyword(s):  
Chemical Industry ◽  
Industry Chain

Development of Open CNC System of Constant Linear Speed Quenching Machine

2013 ◽  
Vol 312 ◽  
pp. 719-722
Author(s):  
Guang Hong Li ◽  
Chao Wu
Keyword(s):  
Motion Control ◽  
Outer Edge ◽  
System Construction ◽  
Mechanical Parts ◽  
Open Cnc ◽  
The Core ◽  
Motion Control Card ◽  
Core Section ◽  
Surface Quenching ◽  
Open Cnc System

The inconsistent requirement of surface and core section can be solved through system construction of open CNC quenching machine based on PC + motion control card, to realize surface quenching of mechanical parts. The establishment of mathematical model and algorithm researching of the hardening methods is studied in this paper, especially for the outer edge of the non-circular discoid parts, so as to guarantee the consistence of quenching. The result of the experiments shows that the workpiece such as gear, crankshaft, cam and etc. can obtain higher strength, hardness, wear resistance on the surface, while maintaining original good toughness in the core section.

Approach to the Core Structure of 15-epi-Exiguolide

Synthesis ◽  
2018 ◽  
Vol 50 (16) ◽  
pp. 3131-3145 ◽  
Author(s):  
Martin Maier ◽  
Alexander Riefert
Keyword(s):  
Michael Reaction ◽  
Chain Extension ◽  
Reductive Cyclization ◽  
Unsaturated Ester ◽  
Pyran Ring ◽  
The Core ◽  
Synthetic Strategy ◽  
Propargylic Alcohol ◽  
Key Features ◽  
Thermal Decarboxylation

The synthesis of seco acid 41 of the macrolactone part of 15-epi-exiguolide, containing a bis-pyran subunit and a trans double bond, is described. Key features of the synthetic strategy include a Feringa–Minnaard asymmetric organocuprate addition to unsaturated ester 17 to set the stereocenter at C15. The derived acid 8 (C9–C16 fragment) was ideally suited for combination with aldehyde 9 (C17–C21 fragment) via an aldol strategy leading to β-lactone 25 which upon thermal decarboxylation provided alkene 26. Chain extension led to propargylic alcohol 7. Treatment of 7 with a LAu+ catalyst promoted a Meyer–Schuster rearrangement to enone 30 that led to cis-tetrahydropyran 31 via intramolecular oxa-Michael reaction. The second pyran ring was prepared from alkoxy ketone 5 by reductive cyclization. The further steps toward macrolactone 43 were hampered by the epimeric mixture at C5.

scholarly journals Research on the Construction of China-Europe Cross-border E-commerce Ecosphere Based on Blockchain Technology

2019 ◽  
Vol 3 (1) ◽  
pp. 11
Author(s):  
Liang Liu ◽  
Xiaoyu Jiang ◽  
Jian Wu
Keyword(s):  
Risk Management ◽  
Service System ◽  
Credit Risk Management ◽  
Relevant Research ◽  
Technology Application ◽  
Intelligence System ◽  
The Core ◽  
Cross Border ◽  
Blockchain Technology ◽  
Core Technology

Based on the blockchain technology to construct the relevant research on the China-Europe cross-border e-commerce ecosystem, we must first define the main significance and combine the core technology application of blockchain to explore the blockchain China-Europe cross-border e-commerce ecosystem, thereby drawing effective measures such as establishing a cross-border e-commerce integrated service system, improving e-commerce credit risk management and establishing a blockchain supply chain intelligence system, which comprehensively elaborates on the importance of blockchain technology to build a China-Europe cross-border e-commerce ecosystem.

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