Free technical library. Articles from Radiomir magazine, 2001

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Contents of journals with annotations / Journal Radiomir

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Alphabetical list articles with annotations, from journals published in 2001 in the journal Radiomir:

10-channel mixer with karaoke converter

10 band equalizer

5 lamps on 2 wires

8-bit microcontrollers

8-разрядный микроконтроллер IN80C32N/IN80C52N

IZ0066 - LCD controller

RC filters low and high

Ultra extra mouse

Ultra Extra Mouse

Water pumping machine

Surge protection circuit breaker

Automatic surge protector

Automatic power switch

Automatic intercom

Autotransformer from a transformer

Batteries for radio amateurs

Analog-Digital Horizons

Antenna for FM reception

Antenna UHF amplifier

Car radio antenna amplifier

Caller ID + speakerphone on microprocessors

ASE + programmer

Barrier RF generators

Throttleless voltage converter

Bipolar BP

Block of reference frequencies

Power supply unit

High Power Power Supply

Power supply with PWM stabilizer

Step power supply

Vega 50 AC-106 could sound better

Instead of paint... paraffin

Here's a memory stick

RF divider for frequency measurement

Power switch with SLEEP mode

High voltage transistor KT8255A

Telephone lightning protection

Let there be light for the fish!

[1] [2] [3] [4] [5] [6] [7] [8]

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Latest news of science and technology, new electronics:

Artificial leather for touch emulation 15.04.2024

In a modern technology world where distance is becoming increasingly commonplace, maintaining connection and a sense of closeness is important. Recent developments in artificial skin by German scientists from Saarland University represent a new era in virtual interactions. German researchers from Saarland University have developed ultra-thin films that can transmit the sensation of touch over a distance. This cutting-edge technology provides new opportunities for virtual communication, especially for those who find themselves far from their loved ones. The ultra-thin films developed by the researchers, just 50 micrometers thick, can be integrated into textiles and worn like a second skin. These films act as sensors that recognize tactile signals from mom or dad, and as actuators that transmit these movements to the baby. Parents' touch to the fabric activates sensors that react to pressure and deform the ultra-thin film. This ... >>

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Random news from the Archive

Stress damages the bones 21.09.2020

Scientists at the Chinese Academy of Sciences have found out how stress affects the loss of minerals from bones.

Nerves - that is, stress, depression - can literally cause a variety of diseases. But what mechanism is at work here? What areas of the brain are involved and what substances do they use to affect the bones?

It turned out that everything starts with a group of neurons in the terminal strip - the so-called part of the brain in the amygdaloid region, which includes the amygdala, or amygdala, and a number of other nerve centers. Neurons of the terminal strip synthesize the hormone somatostatin, which can also play the role of a neurotransmitter.

Somatostatin reduces the synthesis of somatotropin, another hormone that stimulates bone growth and performs a number of other functions. Under chronic stress, somatostatin neurons of the terminal strip suppress the activity of other neurons that are located in the hypothalamus. All together - the activation of neurons in the terminal stria and the suppression of neurons in the hypothalamus - gave anxious behavior and bone problems.

"Alarming" signals from the hypothalamus come to the nucleus of a solitary pathway - this is the name of the nerve center in the medulla oblongata, which controls the work of many internal organs. The nucleus of the solitary pathway sends signals to the sympathetic nervous system, and the nerves of the sympathetic nervous system process the bones with norepinephrine. And norepinephrine already suppresses the work of bone cells responsible for the growth of bone tissue.

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