April 23rd: National Weather Forecast for the Next Three Days
There will be a wide range of precipitation in the central and eastern regions Cold air will affec ...
Cat : 202410
Inverter regulated power supply
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The so-called inverter-type regulated power supply is also called variable frequency power sup ...
January 22 Shanghai Steel Market Price Quotes
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Name of product specification Materials Steel factory / origin Price (yuan/ton) Than yesterday ...
Why is the photovoltaic industry in a long winter period?
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2011 is a difficult year for the photovoltaic industry. Due to overcapacity, the European debt cr ...
Research Progress of Organic Hole Transport Materials in Perovskite Solar Cells
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Recently, the research team of the Institute of Applied Technology and Agricult ...
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1. High level and high performance. Cylindrical gears generally use carburizing and quenching, ...
National anti-monopoly should start from solving administrative monopoly
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Recently, the Supreme People's Court promulgated the "Provisions on Several Issues Conce ...
How far is the popularity of green cutting from us?
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The benefits of green manufacturing for individuals, businesses, and the environment are obvious, ...
3D printing program lets you “homemade†medicines at home
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According to a report by the Physicist Organization Network ...
In the first quarter, the national inventory market will be difficult to pick up quickly.
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In the first quarter, the country’s residential land price has fallen sharply in the past ...
How to identify bathroom faucets in home improvement?
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The faucet is the "conductor" of water, and the frequency of use is the highest. Faucets ...
Restructuring small experience: twist drill into a cone reamer
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In production, there are often different taper holes with different taper, no suitable taper reamer ...