Technique, industry, architecture - Metals. Crosswordist's Handbook

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CROSSWORD HANDBOOK
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Reference book crossword. Quick word search by mask. Metals

Crosswordist's Handbook / Index

Crosswordist's Handbook

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Technology, industry, architecture / Industry and technical devices / Metals

(4)

BLUM - steel billet

CRIP (creep)

SLAB - steel billet

TAVR - metal product

(5)

BASMA - a thin sheet of metal with an embossed pattern

BULAT - steel grade

TINNESS

TAPE

RAIL

(6)

PERLITE - steel component

RENTAL

ROD

FERRITE - steel component

FOIL

(7)

APPLIQUE - a metal product coated with a layer of silver

DVUTAVR - a metal product

ROD - wire

KOROLEK - an ingot of precious metal in the form of a ball

PROFILE - metal product

SUTUNKA - steel grade

CHANNEL - a metal product

(8)

AUSTENITE - steel component

DUCTILITY

FOIL

CEMENTITE - steel component

(9)

MARTENSITE - steel component

WIRE

STRENGTH

HARDNESS

FATIGUE

FRAGILITY

(10)

CREEP

SEREBRYANKA - steel grade

(12)

PLASTIC

(13)

HEAT RESISTANCE

COLD FRITABILITY

(15)

RED BREAK

RED RESISTANCE

Word search to solve the crossword puzzle:

Replace each unknown letter with *. For example, dog * ka, * oshka, we ** a. Pairs е - ё, and - й are equated.

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Random news from the Archive

Habits change the brain 03.02.2016

A habit is a deeply rooted type of behavior that works independently of our consciousness. We automatically find the way to the kitchen in the morning, automatically find, for example, a kettle, automatically enter the transport (or get into the car), and do not really think about what we are doing.

It is believed that habitual actions help unload the brain from routine, allowing it to do something more important. That is, from the point of view of neurophysiology, the resources of the prefrontal cortex, our main analytical center responsible for, let's say, conscious life, are unloaded. The habit itself goes into subcortical structures called the basal ganglia, or basal ganglia. (Let's clarify that now we are talking about harmless behavioral rituals, and not about addictions to alcohol, nicotine, etc.) ganglia, and the formation of a habit is accompanied by changes in electrical rhythms: gamma waves that occur during the development of new information are replaced by beta waves when the material is consolidated.

But what happens in the brain, in its basal ganglia, after the habit has already been formed? Neuroscientists from Duke University tried to answer this question: laboratory mice were taught that if they press the lever of a device, they will get something sweet; as a result, some animals continued to press the lever even after the treat was removed from the device. Further, the work of the brain of mice with the habit of pressing the lever was compared with the work of the brain of mice, which understood that there was nothing to wait for and ceased to be interested in the lever.

The basal ganglia control motor activity and literally control our desires, addictions, etc., that is, if we smelled a cake from somewhere that we are crazy about, then it is the basal ganglia that will command us to go where it smells and try do whatever it takes to get food. However, the ganglia generate not only stimulating impulses, but also suppressing, prohibiting ones; that is, the fulfillment of desire ultimately depends on the balance between opposing signals in the basal ganglia. For example, if it’s too dangerous ahead, then, no matter how delicious it smells, you shouldn’t go there, and the neural stop signal is just right here.

So, in mice with a habit of pressing the lever, both signals of the basal ganglia, both inciting and forbidding, increased, however, compared with normal mice, in these mice, the inducing signal became the first by default. That is, if in ordinary animals the basal ganglia “understood” that there was nothing to wait for in this situation and brought to the fore the suppressive impulse that forced them to ignore the lever on the distribution of treats, then in mice with the habit, the stimulating signal in the subcortical structures continued to stimulate attempts to receive treats. .

Changes in brain function persisted for quite a long time, and it was possible simply by the behavior of neurons to predict what this or that mouse would do. The researchers also specifically note that such a rearrangement of signals in places did not occur in any particular group of neurons, but throughout all the basal ganglia (this probably explains why craving for one thing is the reason for a whole bunch of not always healthy habits).

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