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Entering the era of knowledge economy, the concept of open innovation has received increasing attention from society and has gradually become one of the main directions of industrial innovation. Pa...[Details]
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27 years ago, Xu Jiayin, the helmsman of a world-renowned real estate company, went to Shenzhen with 20,000 yuan and gambled his entire fortune to start Evergrande. 27 years later, the former richest...[Details]
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Electron capture detector and detection method
The electron capture detector (ECD) is the most sensitive gas chromatography detector and the earliest selective detector. It only res...[Details]
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The application system composed of single-chip microcomputer
, appropriate peripheral devices and application programs becomes the minimum system. This article
discusses the design of
s...[Details]
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0 Introduction
UPS power supply system is an essential power supply for power, communication, banking and other industries. It has a history of several decades since its creation. In the proce...[Details]
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"Tablets have now become 'smart' portable TVs. Regardless of the size of the screen, any device that can provide users with visual content can be called a TV."
Using LTE's transmission band ...[Details]
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Abstract: Aiming at the characteristics of large number of piezoelectric ceramic driver units of deformable mirror, a high-bandwidth piezoelectric ceramic driver suitable for expansion into multi-c...[Details]
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According to ETNews, Samsung Electronics has begun internal research and development of smart sensor systems, which are expected to be used in autonomous driving and artificial intelligence semicondu...[Details]
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As an important instrument for measuring gas flow, gas turbine flowmeter has been paid more and more attention by users in industrial production recently. What kind of standard does gas turbine flowme...[Details]
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According to foreign media reports, NNG, a leading global provider of positioning technology, connected services and automotive software, announced the launch of its EV-first hybrid mobility platform...[Details]
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1. Use of ATMEGA16 I port: (only one experiment, each section below may have several experimental verifications, you know) 1--(01)--Use of 4*4 matrix push button switch I/O port introduction: Jus...[Details]
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According to Korean media Etnews, Samsung is discussing removing chargers from the packaging boxes of some smartphone products. Future Samsung phones may no longer come with chargers, and this plan w...[Details]
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At the end of August, with the successful conclusion of the Cape Town Solar and Battery Energy Storage Exhibition in South Africa and the South American Smart Energy Exhibition, JA Solar's flagship en...[Details]
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According to foreign media 9to5mac, iPhone users continue to have the bug of missing app and iMessages app notifications after updating to iOS 14. Apple pointed out in the release notes of iOS ...[Details]
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#include"reg52.h" typedef unsigned char u8; typedef unsigned int u16; sbit beep=P1^5; void delay(u16 i) { while(i--); } void main() { while(1) { beep=~beep; delay(1000); //control tone frequency beep...[Details]