The structure of the residual current circuit breaker for leakage protection is to add a sensing element (zero-sequence current transformer) that can detect leakage current in the original plastic cas...
Background "Modern Chinese Dictionary" was compiled in accordance with the instructions of the State Council. It is the first standardized language dictionary in New China. The main reference book fo...
Introduction In the past, "Modern Chinese Dictionary (5th Edition)" only indicated part of speech for some function words, common pronouns, and quantifiers. Chinese words have been fully marked with...
Overview The S7 project is composed of the main loop block OB1, its calling functions, function blocks, and various interrupt organization blocks (OB):· Organization block (OB)·Function (FC)·System...
Definition Record the data of one page full of memory on the tape, which is called a data block. A data block consists of a block header, data space and free space. When creating objects such as tabl...
Definition The rated speed refers to the speed of the engine at the rated power, and the rated power is specified by the manufacturer. The rated speed is generally lower than the maximum power speed...
P-channel MOS transistor switching circuit The characteristics of PMOS, Vgs is less than a certain value, it will be turned on, suitable for the situation when the source is connected to VCC (high-si...
Discipline Overview Biomedical-Engineering is an emerging edge discipline that integrates theories and methods of engineering, physics, biology and medicine. Study the state changes of the human bo...
Introduction Based on his experience in teaching "Food Analysis", "Industrial Fermentation Analysis" and other courses for more than 20 years, and in the past 10 years, he has taught "Bioengineering"...
Development A machine system that receives and stores information according to human requirements, automatically processes and calculates data, and outputs result information. General-purpose comput...
Introduction A machine system that receives and stores information according to human requirements, automatically processes and calculates data, and outputs result information. Computer is the extens...
Editor's recommendation "Mobile communication terminal equipment maintenance training" is one of the required textbooks for communication technology majors in secondary vocational schools. It was wri...
Definition Communication network terminal, namely computer display terminal, is the input and output device of computer system. The computer display terminal is produced with the centralized process...
Classification Coaxial cables can be divided into two basic types, baseband coaxial cables and broadband coaxial cables. Baseband coaxial cableThe shielding layer of baseband coaxial cable is usual...
Historical development The development of coaxial cables is mainly divided into four generations: the first generation is the use of polyethylene as a solid insulation medium in the mid-19th century...