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Pseudocrystalline growth technology
22/10/2021 1066
Pseudocrystalline growth technology

In epitaxial growth, when the lattice constants of the growth layer and the substrate are mismatched, there will be stress and strain energy accumulated in the growth layer, and this energy will incre...

Crystal growth theory
22/10/2021 1504
Crystal growth theory

Basics The thermodynamic theory of crystal growth 　J.W. Gibbs's famous paper "On the Balance of Multiphase Matter" published in 1878 laid the foundation of the thermodynamic theory. He analyzed the...

Social Systems Engineering Expert Group
21/10/2021 1004
Social Systems Engineering Expert Group

Organizational Overview The secretariat work and technical support of the Social System Engineering Expert Group are undertaken by the Realizer Beijing Institute of Social System Engineering (RISSE)...

System Engineering Application
21/10/2021 1154
System Engineering Application

Research object System engineering takes complex large-scale systems as the research object, which was first proposed and applied by Bell Telephone Company in the 1940s. The development of some larg...

Softswitch and IMS technology
20/10/2021 1038
Softswitch and IMS technology

Copyright information Book title: Softswitch and IMS technologyAuthor: Yang FangchunPress: Beijing University of Posts and Telecommunications Publication time: 2007ISBN:9787563513901Format: 16Price:...

Soft switch
20/10/2021 1145
Soft switch

Concept OriginIn the traditional PSTN switching network, service control, call control, and transmission bearer are all concentrated in the switch, and all PSTN services must Realized through TDM s...

Digital network
19/10/2021 1227
Digital network

Advantages of digital network Digital network has a series of advantages due to the use of digital technology: it can reduce hardware cost, improve reliability and maintainability, improve line trans...

Integrated Services Digital Network Switch
19/10/2021 1163
Integrated Services Digital Network Switch

Functions The functions of ISDN switches include:① Carrying and exchanging user information, that is, the switch enters the time division multiplex line (from the user or from other networks in the...

3 (Internet language)
18/10/2021 1064
3 (Internet language)

Usage 1: In games, especially in competitive games, due to the need to express meaning to teammates quickly, 3333 means flash and retreat because of its homophonic sound. The more the number, the more...

9527 (Internet language)
18/10/2021 1093
9527 (Internet language)

StatementAs CP-type entries do not conform to the principles of encyclopedia writing, they will be fully rectified in the near future. Relevant fans are requested to read the announcement content in...

Linker
17/10/2021 1052
Linker

LinkerIn this case, the target code, that is, the machine code that has not yet been connected, and the executable machine code There is a difference between. The linker also links the target program...

Connection (programming term)
17/10/2021 1106
Connection (programming term)

Inner join Inner join (inner join) is a common "join" operation used in applications, it is generally Both are the default connection types. The inner join combines the columns of the two tables (su...

Leakage protection
16/10/2021 1350
Leakage protection

Interpretation When the leakage current of the grid exceeds a certain set value, it can automatically cut off the power supply or send out an alarm signal as a safety protection measure. Leakage pro...

Leakage protection plug
16/10/2021 1115
Leakage protection plug

Overview When this part of the current flows into the earth through the human body, it will cause an electric shock. The function of the "leakage protection plug" is to automatically cut off the powe...

CAV (audio brand)
15/10/2021 1507
CAV (audio brand)

Brand development Brand development (11 photos)In 1993, CAV launched the first home theater central unit CAV 486 series in the Chinese market . In 1996, CAV launched the first home theater CAV 586 s...