Countries, peoples, languages - Cities of South America. Bolivia. Crosswordist's Handbook

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Countries, peoples, languages / Countries of the world / Cities of South America. Bolivia

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ORURO

Sucre - the capital

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POTOSI

(9)

COCHABAMBA

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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. ... >>

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Random news from the Archive

Gadget battery charges in one minute 09.04.2015

Scientists from Stanford University have invented a high-performance battery that charges quickly, holds a charge for a long time and has a low cost. The researchers believe the development could replace many types of commercial lithium-ion and alkaline batteries.

The researchers did not report on the capacity of the developed battery, but said that their technology could be used in almost any device - from smartphones to electric cars and wind turbines. If such a battery is placed in a smartphone, it can be fully charged from the mains in one minute, the scientists reported. In modern phones, it takes several hours to charge the battery.

In the design of the new battery, the researchers used aluminum, a promising material for the industry of rechargeable power supplies, which allows to reduce costs, provide a higher charge density and have less flammability.

From aluminum, scientists at Stanford University made an anode - the positive pole of the battery. The cathode (negative pole) they made of graphite. A liquid electrolyte was placed in the battery, enclosed in a polymer bag.

"People have tried various cathode materials. We accidentally found that the best way to use a graphite cathode, which is mostly carbon. We found several types of graphite material with high performance," said Hongjie Dai, professor of chemistry at Stanford University. participating in the development.

Scientists managed to achieve a long service life of the experimental battery. It withstood over 7,5 thousand recharge cycles without loss of properties. Previous prototype aluminum batteries degraded after only 100 cycles, Dai said. In comparison, today's batteries last about a thousand cycles without significant loss of capacity.

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