U.S. military exhibits "insect spy" using fue…

Chips installed on the chip One day in the future, when you stand in front of a window and admire the scenery outside the window, a mosquito may flap its wings and buzz around you. Be careful, because it may be only a "spy mosquito". . At present, the U.S. military is ---MORE---

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Analysis of Advantages of Laser Precision Welding

Analysis of Advantages of Laser Precision Welding In the field of welding, the common types of precision welding include precision resistance welding, laser welding, ultrasonic welding, and micro arc spot welding. Due to the characteristics of the laser itself, the precision laser welding process ---MORE---

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Clever use of conditioners to improve the efficiency of…

The use of plant growth regulators in flower production can promote flower growth, control plant shape, induce flowering, prevent flowering and fall off, and improve planting efficiency. The Chinese pesticide network Xiaobian collects the specific use methods of plant growth r ---MORE---

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Wooden door industry staged a price war

In the first half of the year, the sales performance of the wooden door industry achieved “converse market” growth. Whether this momentum can be maintained in the second half of the year remains unknown. With regard to the sales of wooden doors in several major shopping malls ---MORE---

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Shiyan Zhengda tells you how to mix activated carbon

Activated carbon is a traditional and modern man-made material, also known as carbon molecular sieve, chemical formula: C. CAS: 64365-11-3 EINECS: 264-864-4. Since its inception in the past 100 years, the field of activated carbon has been expanding and the number of applications is increasing. F ---MORE---

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The world will face more extreme weather, everyone will…

The world will face more extreme weather, and everyone will experience more warm winters. Since 1850, the global climate has been slowly changing, but since 1980, the pace of change has been accelerating. And climate change is the main cause of high temperature and extreme weather in many parts of ---MORE---

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Jade classification and quality identification

Jade grading 1 special grade: bright green (emerald green), apple green, glass ground (translucent, fine texture), even and bright, no impurities, no cracks. 2 Commodity grade: green, oil green, micro-transparent, intertwined and translucent grandmother green veins and spotted green. 3 gene ---MORE---

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