A simple current regulator. Encyclopedia of radio electronics and electrical engineering
Encyclopedia of radio electronics and electrical engineering / Regulators of current, voltage, power
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Publication: N. Bolshakov, rf.atnn.ru
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Latest news of science and technology, new electronics:
Machine for thinning flowers in gardens
02.05.2024
In modern agriculture, technological progress is developing aimed at increasing the efficiency of plant care processes. The innovative Florix flower thinning machine was presented in Italy, designed to optimize the harvesting stage. This tool is equipped with mobile arms, allowing it to be easily adapted to the needs of the garden. The operator can adjust the speed of the thin wires by controlling them from the tractor cab using a joystick. This approach significantly increases the efficiency of the flower thinning process, providing the possibility of individual adjustment to the specific conditions of the garden, as well as the variety and type of fruit grown in it. After testing the Florix machine for two years on various types of fruit, the results were very encouraging. Farmers such as Filiberto Montanari, who has used a Florix machine for several years, have reported a significant reduction in the time and labor required to thin flowers.
... >>
Advanced Infrared Microscope
02.05.2024
Microscopes play an important role in scientific research, allowing scientists to delve into structures and processes invisible to the eye. However, various microscopy methods have their limitations, and among them was the limitation of resolution when using the infrared range. But the latest achievements of Japanese researchers from the University of Tokyo open up new prospects for studying the microworld. Scientists from the University of Tokyo have unveiled a new microscope that will revolutionize the capabilities of infrared microscopy. This advanced instrument allows you to see the internal structures of living bacteria with amazing clarity on the nanometer scale. Typically, mid-infrared microscopes are limited by low resolution, but the latest development from Japanese researchers overcomes these limitations. According to scientists, the developed microscope allows creating images with a resolution of up to 120 nanometers, which is 30 times higher than the resolution of traditional microscopes. ... >>
Air trap for insects
01.05.2024
Agriculture is one of the key sectors of the economy, and pest control is an integral part of this process. A team of scientists from the Indian Council of Agricultural Research-Central Potato Research Institute (ICAR-CPRI), Shimla, has come up with an innovative solution to this problem - a wind-powered insect air trap. This device addresses the shortcomings of traditional pest control methods by providing real-time insect population data. The trap is powered entirely by wind energy, making it an environmentally friendly solution that requires no power. Its unique design allows monitoring of both harmful and beneficial insects, providing a complete overview of the population in any agricultural area. “By assessing target pests at the right time, we can take necessary measures to control both pests and diseases,” says Kapil ... >>
| Random news from the Archive Slug stats
18.01.2020
British biologists have issued a call: volunteers are urgently needed to monitor the growing population of slugs.
The study by the Royal Horticultural Society (RHS) and Newcastle University will last a year and will only focus on slugs, gastropods that lack an outer shell.
To take part in the study, three factors are needed: curiosity, an accessible garden, and a desire to leave the house after dark. Participants of the research project will study different types of slugs and their habitats. They will also count the number of these gastropods and determine what exactly attracts them to the gardens.
The last such study was conducted in English gardens back in the 1940s. Then a large number of slugs were found, which belonged to only nine species.
Researchers need about 60 volunteers who will be trained to find slugs and collect them carefully. Volunteers will need to go out once a month for half an hour with a torch for night hunting. Volunteers will not need any special knowledge. The samples of gastropods they have collected will be sent for analysis to the Royal Horticultural Society.
This study is extremely important in understanding which slugs are most common in British gardens and at what time of the year. Thanks to the data obtained, it will be possible to better understand which species and when exactly cause damage to plants.
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