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1 Current status of oil well production measurement in Shengli Oilfield
At present, the representative oil well production measurement methods in Shengli Oilfield mainly include: vertical ...[Details]
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Excellent circuit design is the fundamental way to produce beautiful sound, which is well reflected in imported amplifiers. The circuit introduced in this article was first seen in some imported ...[Details]
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A communication inverter (communication inverter power source) is a circuit structure device that converts DC to AC, and is an electrical equipment used in conjunction with communication systems, e...[Details]
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1. Overview of wireless sensor network transmission protocols
1. Composition of wireless sensor network protocol stack
The wireless sensor network protocol stack consists of five parts: physi...[Details]
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(1) Assume that there is only one char global variable with an initial value, then the system will allocate a 4-byte storage space in the data area to store it. In fact, only 1 byte is used, but in or...[Details]
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SEMI (Semiconductor Equipment and Materials International) released a global wafer fab forecast report yesterday. The report pointed out that after experiencing a recession in the first half of the y...[Details]
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0 Introduction
With the rapid development of science and technology, the world's natural resources are also being consumed at the same rapid rate. Energy saving has become an important project in th...[Details]
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MiR eBook: The FMCG market is poised for recovery, and AMRs empower the three major operating processes in the FMCG industry
March 29, 2023, Shanghai – The development theme of China...[Details]
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Preface
Data acquisition system refers to the overall system that automatically collects conditioned electrical or non-electrical signals from analog and digital units under test such as sensors an...[Details]
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Affected by the global epidemic, mainland China adopted the most stringent lockdown strategy in February. Subsequently, the overseas epidemic began to explode in March, and the global smartphone indu...[Details]
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This paper introduces a 16-channel portable logic analyzer. It samples and caches high-speed data through FPGA, and uses USB control chip and FPCA to control the data through USB interface to send it...[Details]
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Can the slip ring motor be speed controlled?
The slip ring motor can adjust the speed by changing the power supply frequency and voltage.
The speed of the slip ring motor is related...[Details]
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Tektronix 3014B has always been my best friend. I have been using it since 2002 and have a good understanding of its various uses and performances. In practice, I use it both in experiments and produ...[Details]
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Records from the United States Patent and Trademark Office (USPTO) show that ZTE recently transferred at least 47 families of patents to smartphone manufacturer OPPO. According to foreign media IAM M...[Details]
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The inverter is a power control device that converts industrial frequency power into adjustable frequency and voltage. It is widely used in industrial automation, power systems, transportation and ...[Details]