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In December 2009, the 15th Conference of the Parties to the United Nations Framework Convention on Climate Change was held in Copenhagen, Denmark, and the Copenhagen Accord was issued. According t...[Details]
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The charging method of electric vehicles will be completely changed, and the power supply of the power grid will be fully considered to avoid overloading the power grid during peak power consumption....[Details]
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Because I ported a mobile game to the Android platform some time ago, I took a general look at the common mobile development platforms this month. My comparison is as follows.
j2me: As a general de...[Details]
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Integrated circuits are divided into two categories according to the properties of transistors: TTL and CMOS. TTL is known for its speed,
while CMOS is known for its low power consumption. Amo...[Details]
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The development of electric vehicles has become a general trend in the automotive industry. However, the battery technology of electric vehicles has always been a constraint on the development of ele...[Details]
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Overview AT86RF401 is a RF wireless data transmitter with an AVR RISC microcontroller integrated in the single-chip computer. The output frequency range is 250-450MHz, the maximum output power is +...[Details]
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On December 11, the Shanghai Securities News reported that the State Grid Corporation of China (hereinafter referred to as "SGCC") has issued the "Outline of Key Construction Tasks for the Ubiquito...[Details]
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Compile the kernel to support iptables, forward and nat. Compile the kernel and use the new kernel to start the arm development board. Compile the kernel to support iptables - Networking supp...[Details]
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At the Yangzhou International Half Marathon (abbreviated as "Yangzhou Marathon"), as the only "double gold" half marathon event in China that has obtained the IAAF Gold Label and the Chinese Athletic...[Details]
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With the advent of blue LED, white LED can be easily obtained by combining phosphor and blue LED, which is the most mature white light packaging method in the industry. At present, white LED has bec...[Details]
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According to previous practices, Huawei should hold a representative P series flagship new product launch conference in April. However, this year, due to well-known reasons, the launch time of Huawei...[Details]
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Today, we will introduce a national invention patent - offline calibration device for insertion target flowmeter. The patent was applied by China National Offshore Oil Corporation and was authorized ...[Details]
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"my country is expected to achieve 600Wh/kg oxide/polymer composite electrolyte solid-state batteries within 1-2 years."
Recently, Chen Jun, an academician of the Chinese Academy of ...[Details]
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According to Jiwei.com on October 21, Nut R2 has been released. The 8GB+128GB version is priced at 4,499 yuan, the 8GB+256GB version is priced at 4,799 yuan, the 12GB+256GB version is priced at 5,299...[Details]
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Fluorescent magnetic particle testing is one of the five conventional methods of non-destructive testing. It is a common means of inspecting surface or near-surface defects of ferromagnetic materials....[Details]