China Education Equipment Purchasing Network News: According to a report by the American Physicists Organization Network on August 16, scientists at the Virginia Commonwealth University of the United States recently announced that they have developed an integrated circuit that may be the world's lowest energy consumption. This circuit requires very little energy, and it is not even necessary to install batteries for it. The trace energy obtained from the surrounding environment is sufficient to maintain operation. Researchers say the technology is expected to play an important role in fields such as implantable medical devices, buoys, and environmental testing. Related papers were published in the American Journal of Applied Physics Letters.
This circuit uses a special composite material called "multiferroic material", which consists of piezoelectric materials and magnetostrictive nanomagnets. The material of this structure can convert mechanical energy or vibration in the environment into energy required for operation, thereby realizing the function of taking electricity from the environment.
In data storage and transmission, unlike traditional circuits that use on and off to represent 0 and 1, this integrated circuit uses the two states of electron spin in spintronics to represent the two basic codes in binary . Therefore, the device requires very little energy during the entire handover process.
The researchers said that due to the use of these special materials, the energy required for the entire circuit is only 0.4 AJ (1 AJ = 10-18 J), which is 4 orders of magnitude smaller than traditional transistors. This design can create ultra-low power, high density, non-volatile memory and logic chips.
This technology has potential application prospects in many fields. For example, when used in implantable medical devices, the battery module can be omitted, and energy can be obtained from the patient's body movement; this technology can also be used in the computer of the sea buoy In the meantime, ocean waves will be its constant source of energy. In addition, the processor made by this technology is also suitable for manufacturing sensors used to detect the state of buildings or bridges, which can be powered by natural vibrations of vehicles or vehicles.
Outdoor sofa is a kind of furniture for people to rest, relax and entertain in the outdoors. They are usually made of durable materials that can withstand the effects of various climatic conditions. The classification of outdoor sofas is mainly based on materials, design and function.
First, material classification:
1. Wooden outdoor sofa: This type of outdoor sofa is usually made of natural wood, such as teak. They are naturally beautiful and durable, suitable for outdoor Spaces such as gardens and terraces.
2. Metal outdoor sofa: This type of outdoor sofa is usually made of metal materials, such as iron, aluminum, etc. They have the characteristics of corrosion resistance, water resistance, sun protection, suitable for the beach, swimming pool and other humid environment.
3. Artificial materials outdoor sofa: This kind of outdoor sofa is usually made of artificial materials, such as plastic, artificial wood and so on. They have the characteristics of light, easy to clean, suitable for outdoor restaurants, cafes and other commercial places.
Ii. Design classification:
1. Single outdoor sofa: This kind of outdoor sofa is simple in design and suitable for single use. They are usually small and lightweight, suitable for small balconies, garden corners and other places where space is limited.
2. Double outdoor sofa: This kind of outdoor sofa is designed to be comfortable and suitable for two people. They are usually more spacious and suitable for placing in larger Spaces such as terraces and courtyards.
3. Multi-person outdoor sofa: This type of outdoor sofa is spacious and suitable for multi-person use. They often function as a sofa bed and can be used as a makeshift bed. Suitable for outdoor banquet area, holiday villa and other large outdoor space.
Iii. Functional classification:
1. Leisure outdoor sofa: This kind of outdoor sofa design is comfortable, suitable for people to relax in the outdoors. They are usually equipped with soft cushions and cushions to provide comfortable support.
2. Dining outdoor sofa: This type of outdoor sofa is designed for outdoor dining, such as open-air restaurants, cafes, etc. They are usually equipped with a dining table and chairs, providing a convenient dining experience.
Of course, a variety of different sofas can also be freely combined into a sofa combination to meet your different needs.
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