Free technical library
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One step forward, two steps back. Popular expression
Walking oars. Personal transport
Walking matches. Focus Secret
Sazhny steps. Popular expression
Stepper motors. Encyclopedia of radio electronics and electrical engineering
Pedometer. Tourist tips
Shagoplav. Personal transport
Shagreen leather. Popular expression
The shed of your garden. Tips for the home master
Sage officinalis. Legends, cultivation, methods of application
meadow sage. Legends, cultivation, methods of application
Clary sage. Legends, cultivation, methods of application
Whorled sage. Legends, cultivation, methods of application
Sage twig. Legends, cultivation, methods of application
Ethiopian sage. Legends, cultivation, methods of application
Chaliapin Fedor Ivanovich Famous aphorisms
Shams ad-Din Mahammad ibn Ashraf al-Husayn as-Samarkandi. Famous aphorisms
Shandra comb. Legends, cultivation, methods of application
Chandra ordinary. Legends, cultivation, methods of application
Shanzhirovochny net. Focus secret
Nodding acquaintance. Popular expression
Ball between fingers. Focus Secret
Ball on a string. Focus Secret
Sharashkin's office. Popular expression
Orb-horoscope. Focus Secret
The ball is in a different role. physical experiment
Ball in the hole. Focus Secret
Ball and matches. Focus secret
The balloon pops when needed. Focus Secret
Ball on a rope. Focus Secret
The ball is repainted. Focus secret
A ball wrapped in a scarf. Focus Secret
Color changing ball. Focus secret
The balls are swapped. Focus Secret
The balls don't fall out. Encyclopedia of radio electronics and electrical engineering
Ball pen. History of invention and production
Ball punch for leather. Tips for the home master
Ball-prankster. Focus secret
Ball traveler. Focus secret
Balancing ball. Focus secret
Charles Baudelaire. Famous aphorisms
Charles de Gaulle. Famous aphorisms
Charles de Coulomb. Biography of a scientist
Charles Louis Montesquieu. Famous aphorisms
Charles Maurice de Talleyrand-Périgord. Famous aphorisms
Ball wheelbarrow. Drawing, description
Ball Valves. Tips for the home master
Chameleon ball. Focus secret
Tent greenhouse. Tips for the home master
Saffron. Legends, cultivation, methods of application
Chess and inertia. physical experiment
Mining knot. Travel Tips
Checkers don't fall either. physical experiment
Rubbish. Popular expression
Schwartz Evgeny Lvovich. Famous aphorisms
Sewing machine. History of invention and production
Doorman. Job description
Doorman. Standard instruction on labor protection
Dinghy Moth. Personal transport
Dinghy. Personal transport
Seamstress (tailor). Job description
Seamstress (seamstress-mechanic, seamstress-manual) when working on machines or manually. Standard instruction on labor protection
A seamstress engaged in sewing covering and flooring materials. Standard instruction on labor protection
Seamstress. Standard instruction on labor protection
Sheddock. Legends, cultivation, methods of application
Chaise lounge. Tips for the home master
Went to a room, got into another. Popular expression
Mulberry. Legends, cultivation, methods of application
Ross Ice Shelf. Nature miracle
Shemyakin Court. Popular expression
Shenandoah. Nature miracle
Whispers, timid breathing, nightingale trills. Popular expression
Sherlock Holmes. Popular expression
Sherochka with a masher. Popular expression
Wormwood. Legends, cultivation, methods of application
Rough poster language. Popular expression
Shesek. Legends, cultivation, methods of application
sixth part of the world. Popular expression
Six-band whip antenna. Encyclopedia of radio electronics and electrical engineering
Six-channel stereo mixer for active loudspeakers. Encyclopedia of radio electronics and electrical engineering
Six-band graphic equalizer. Encyclopedia of radio electronics and electrical engineering
Six element loop antenna. Encyclopedia of radio electronics and electrical engineering
Sixteen words. Focus Secret
Six dollars in hand. Focus Secret
Six squares. Focus Secret
Six boxes. Focus secret
Six matching numbers. Focus Secret
Six receivers on one transistor. Encyclopedia of radio electronics and electrical engineering
Six chips. Focus Secret
Sixty families. Popular expression
Scheherazade. Popular expression
SHI motor power regulator. Encyclopedia of radio electronics and electrical engineering
Inside out. Popular expression
Schizandra. Legends, cultivation, methods of application
Chic, shine, beauty! Popular expression
Shiksha. Legends, cultivation, methods of application
PWM fan speed controller. Encyclopedia of radio electronics and electrical engineering
PWM speed controllers for low-power electric motors. Encyclopedia of radio electronics and electrical engineering
USB bus and FireWire. Encyclopedia of radio electronics and electrical engineering
I2C control bus. Encyclopedia of radio electronics and electrical engineering
Tire works. Standard instruction on labor protection
Tire repair work. Standard instruction on labor protection
Shinus. Legends, cultivation, methods of application
Thorn tree. Legends, cultivation, methods of application
Rosehip cinnamon. Legends, cultivation, methods of application
Rosehip May. Legends, cultivation, methods of application
Rosehip wrinkled. Legends, cultivation, methods of application
Dog rosehip. Legends, cultivation, methods of application
Rose hip. Legends, cultivation, methods of application
Effervescent fruit powders. Simple recipes and tips
Shirley Maclain. Famous aphorisms
Shield on the radiator. Tips for the home master
Wide is my native country. Popular expression
Widely known in narrow circles. Popular expression
Wide range 3-phase voltage generator. Encyclopedia of radio electronics and electrical engineering
Wide range RCL meter. Encyclopedia of radio electronics and electrical engineering
Wide range function generator. Encyclopedia of radio electronics and electrical engineering
Wide-range EMI with a linear scale. Encyclopedia of radio electronics and electrical engineering
Broadband antenna for TV reception. Encyclopedia of radio electronics and electrical engineering
Broadband indoor active loop antenna. Encyclopedia of radio electronics and electrical engineering
Broadband matched load. Encyclopedia of radio electronics and electrical engineering
Broadband helical antenna. Encyclopedia of radio electronics and electrical engineering
Broadband TV antenna for UHF. Encyclopedia of radio electronics and electrical engineering
Broadband matching. Encyclopedia of radio electronics and electrical engineering
Broadband power amplifiers on field-effect transistors. Encyclopedia of radio electronics and electrical engineering
Broadband phase shifters. Encyclopedia of radio electronics and electrical engineering
Broadband antenna amplifier for TV signals. Encyclopedia of radio electronics and electrical engineering
Broadband aperiodic RF amplifier. Encyclopedia of radio electronics and electrical engineering
Broadband vertical radiator. Encyclopedia of radio electronics and electrical engineering
Broadband reversing amplifier. Encyclopedia of radio electronics and electrical engineering
Broadband transformer with a transformation ratio of 3/2. Encyclopedia of radio electronics and electrical engineering
Broadband PA for television broadcasting. Encyclopedia of radio electronics and electrical engineering
Broadband UMZCH with low distortion. Encyclopedia of radio electronics and electrical engineering
Broadband power amplifier from SV-747. Encyclopedia of radio electronics and electrical engineering
Broadband power amplifier. Encyclopedia of radio electronics and electrical engineering
Broadband amplifier based on the KT3115A transistor. Encyclopedia of radio electronics and electrical engineering
Broadband amplifier. Encyclopedia of radio electronics and electrical engineering
Latitude and longitude. Travel Tips
Pulse-width controllers of the KR1156EU2 and KR1156EUZ series. Encyclopedia of radio electronics and electrical engineering
Pulse-width discriminator. Encyclopedia of radio electronics and electrical engineering
SHI current stabilizer. Encyclopedia of radio electronics and electrical engineering
Sew with wooden needles. Popular expression
Sewing polyethylene - with the help of a newspaper. Tips for the home master
Encoder and decoder for the security alarm radio channel. Encyclopedia of radio electronics and electrical engineering
Encoder and decoder of telecontrol commands. Encyclopedia of radio electronics and electrical engineering
Encoder and decoder of the radio channel of the guard. Encyclopedia of radio electronics and electrical engineering
Voice Encoder. Encyclopedia of radio electronics and electrical engineering
Shipper. Standard instruction on labor protection
Scale - as printed. Tips for the home master
Beaufort scale, an approximate estimate of wind speed. Basics of safe life
Davenport wardrobe. Focus secret
Cabinet with radiator. Tips for the home master
School of slander. Popular expression
School harvester. Drawing, description
Sheath knot. Travel Tips
What animal skin did Hercules use as his only clothing? Detailed answer
Loop for remote tuning of the antenna. Encyclopedia of radio electronics and electrical engineering
Baikal skullcap. Legends, cultivation, methods of application
helmet. Legends, cultivation, methods of application
Grinding device from the drive. Encyclopedia of radio electronics and electrical engineering
Sanding block. home workshop
Grinding machine. home workshop
Grinding table. Tips for a modeler
A wood grinder working on boards on belt sanders. Standard instruction on labor protection
Wood grinder engaged in the processing of shields on cylinder and wide belt machines. Standard instruction on labor protection
Wood grinder, engaged in grinding parts on disk and drum machines. Standard instruction on labor protection
Spring grinder. Standard instruction on labor protection
Grinder. Job description
Boat knot. Travel Tips
Street magician's hat. Focus Secret
Incubator hat. Focus secret
Hat-confectioner. Focus secret
Hat-cylinder Allakazam. Focus Secret
Auger instead of tracks. Personal transport
Auger juicer. Drawing, description
Lace and cube. Focus secret
Funnel drawstring. Tips for the home master
The cord goes through the glass. Focus Secret
Chauvinism. Popular expression
Shock. Health care
Chocolate. Simple recipes and tips
Chocolate tree. Legends, cultivation, methods of application
Shostakovich Dmitry Dmitrievich. Famous aphorisms
Shota Rustaveli. Famous aphorisms
Spade. Legends, cultivation, methods of application
Potato spatula. Tips for the home master
Putty knife. Legends, cultivation, methods of application
American white spinach. Legends, cultivation, methods of application
Garden spinach. Legends, cultivation, methods of application
Spy things. Directory
Shpolyansky Aminadav Peisakhovich (Don-Amidano). Famous aphorisms
Schrödinger Erwin. Biography of a scientist
Sri Anandamayi Ma. Famous aphorisms
Sri Chinmoy. Famous aphorisms
Braille. History of invention and production
Wood stacker. Standard instruction on labor protection
Stamping of thin-walled body shells. Tips for a modeller
A stamper at work on presses. Standard instruction on labor protection
The standard is jumping. Popular expression
Tripods: what we stand on. video art
Stamping of iron and steel. Simple recipes and tips
Brass stamping. Simple recipes and tips
Glass stamping. Simple recipes and tips
Label stamper. Standard instruction on labor protection
Stamp paint. Simple recipes and tips
Plug signaling device. Encyclopedia of radio electronics and electrical engineering
Stockrose common. Legends, cultivation, methods of application
Hollyhock. Legends, cultivation, methods of application
Corkscrew-spiral antenna. Encyclopedia of radio electronics and electrical engineering
Curtains with electric drive and remote control. Encyclopedia of radio electronics and electrical engineering
Strikebreaker. Popular expression
Barcode. History of invention and production
Plasterer. Job description
Plasterer. Standard instruction on labor protection
Storm the sky. Popular expression
Plug in the fuel tank cap. Personal transport
Bayonet with carryover. Travel Tips
Bayonet. Travel Tips
Bayonet knot. Travel Tips
Whip antenna for the 144 MHz band. Encyclopedia of radio electronics and electrical engineering
Whip antenna with gamma matching device. Encyclopedia of radio electronics and electrical engineering
Whip antennas. Encyclopedia of radio electronics and electrical engineering
Fur coat for the oven. Tips for the home master
Noise noise strife, there is one under which it is good to dream. Encyclopedia of radio electronics and electrical engineering
Shumannia Karelina. Legends, cultivation, methods of application
Noise bridge, for tuning antennas. Encyclopedia of radio electronics and electrical engineering
Soundproofing a car with noise absorbers. Encyclopedia of radio electronics and electrical engineering
Noise isolation of the car: identification and suppression of noise sources. Encyclopedia of radio electronics and electrical engineering
Squelch for a sound card with a 12 volt unipolar power supply. Encyclopedia of radio electronics and electrical engineering
Dolby noise suppressor. Encyclopedia of radio electronics and electrical engineering
Noise suppressor of a modern stereo complex. Encyclopedia of radio electronics and electrical engineering
Jester Balakirev. Popular expression
A fool. Popular expression
A trimaran schooner based on a kayak. Personal transport
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Latest news of science and technology, new electronics:
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 ... >>
The threat of space debris to the Earth's magnetic field
01.05.2024
More and more often we hear about an increase in the amount of space debris surrounding our planet. However, it is not only active satellites and spacecraft that contribute to this problem, but also debris from old missions. The growing number of satellites launched by companies like SpaceX creates not only opportunities for the development of the Internet, but also serious threats to space security. Experts are now turning their attention to the potential implications for the Earth's magnetic field. Dr. Jonathan McDowell of the Harvard-Smithsonian Center for Astrophysics emphasizes that companies are rapidly deploying satellite constellations, and the number of satellites could grow to 100 in the next decade. The rapid development of these cosmic armadas of satellites can lead to contamination of the Earth's plasma environment with dangerous debris and a threat to the stability of the magnetosphere. Metal debris from used rockets can disrupt the ionosphere and magnetosphere. Both of these systems play a key role in protecting the atmosphere and maintaining ... >>
Solidification of bulk substances
30.04.2024
There are quite a few mysteries in the world of science, and one of them is the strange behavior of bulk materials. They may behave like a solid but suddenly turn into a flowing liquid. This phenomenon has attracted the attention of many researchers, and we may finally be getting closer to solving this mystery. Imagine sand in an hourglass. It usually flows freely, but in some cases its particles begin to get stuck, turning from a liquid to a solid. This transition has important implications for many areas, from drug production to construction. Researchers from the USA have attempted to describe this phenomenon and come closer to understanding it. In the study, the scientists conducted simulations in the laboratory using data from bags of polystyrene beads. They found that the vibrations within these sets had specific frequencies, meaning that only certain types of vibrations could travel through the material. Received ... >>
Random news from the Archive Earthworms can replace synthetic fertilizers
01.03.2022
Researchers at University College Dublin have uncovered new information about the importance of soil dwellers to nutrient-consuming plants.
The findings suggest a previously undiscovered shortening of the soil nitrogen cycle, in which earthworms, when active, quickly enrich the soil and plants with nitrogen released by their mucus.
The role of soil animals such as earthworms in nutrient cycling has traditionally been considered beneficial but indirect, slow and cumulative.
In the lab and in the field, a team of researchers from Ireland, Germany and China were able to track nutrient transfer from earthworms to soil, wheat germ and aphids using a technique called stable isotope tracers.
They found that earthworm-derived nitrogen was absorbed by green flies after two hours in the lab and 24 hours in the field. The researchers were amazed at how quickly the worms' nitrogen traveled through the soil to roots, plants, and sap-eating insects.
The agricultural sector must maximize the financial benefits of this earthworm-supplied nitrogen as a potential alternative to synthetic fertilizers, which are very costly as global supply chains continue to recover from the COVID-19 pandemic and rising energy prices.
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Other interesting news:
▪ If a child found a gun
▪ Lumo Lift - fitness tracker and posture corrector
▪ LG 27GL850 IPS monitors with 1ms response time
▪ Ultra-durable magnesium compound
▪ Foam alternative
News feed of science and technology, new electronics
Interesting materials of the Free Technical Library:
▪ section of the site Data transfer. Article selection
▪ article Get up for a mortal battle. Popular expression
▪ article How long is the longest year? Detailed answer
▪ article Electrician for the maintenance of electrical equipment of power plants. Standard instruction on labor protection
▪ article Desulfating car charger. Encyclopedia of radio electronics and electrical engineering
▪ article Miracles for the warm-up. Chemical experience
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