"concept" newsreels and historical clips

... Karelia.

Petrozavodsk School of Banking of the Central Bank of Russia.

Bankers of the largest cities in Russia at a seminar on the basics of the modern concept of banking supervision and auditing in the field.

Interview with the head of the workshop.

American teachers conduct classes with the participants ...

... Moscow.

Preobrazhenskoye - a special place in Moscow and in life.

History of the demolition of the church in the Preobrazhenskaya Square in 1964.

The concept of construction of Yuri Luzhkov.

Town-planning mistakes in Moscow.

Opinion about the project Manezhnaya Square.

The differences of Moscow from other ...

... about the upbringing of children.

Work and teaching.

Impressions from working in the position of Attorney General for six months.

Attitude to the concept of freedom.

Opinion about the existing system of power and the reasons that prompted the adoption of the post.

Constitutional crisis of 1993.

The reasons ...

... in water.

The second is an immiscible liquid with water.

In the 60s of the XIX century, A.M. Butlerov, a professor at Kazan University, created the concept of chemical structure as the order of bonding of atoms.

Books written by A.M. Butlerov.

Tertiary butyl alcohol and diethyl ether differ in the order ...

... excited, acquiring a new electronic configuration.

A cartoon explaining the hybridization of carbon, the creation of carbon chains and their forms.

The concept of rotary isomers or conformers.

Each substance is usually a mixture of different conformers in mobile equilibrium.

A cartoon explaining the conformations ...

... during internal rotation around the central carbon-carbon bond.

Newman's formula.

Diagram of changes in the potential energy of a butane molecule.

The concept of conformational energy.

Normal butane is a mixture of three conformers.

Most organic compounds exist in the form of equilibrium mixtures of inhibited ...

... single element of symmetry.

The concept of an asymmetric atom.

Such a pair of spatial isomers is called enantiomers or optical antipodes.

Characteristics of enantiomers.

A cartoon explaining the operation of the polarimeter.

Experience with optical antipodes.

The concept of racemic modification.

Substances ...

... symbols R or S.

Definition of the symbols R or S according to the Fisher formula.

The number of isomers depending on the asymmetric atoms.

Examples.

The concept of diastereomers.

Diastereomers differ from each other not only in the sign and magnitude of optical rotation, but also in other physical and chemical ...

... to detect subtle features of the spatial structure of molecules and even notice the difference between structurally identical groups.

Examples.

The concept of enantiotopic groups.

Experience in the use of nuclear magnetic resonance for the determination of enantiotope substituents.

Experience in determining ...

... considerable energy.

Geometric isomers are stable, separately existing substances.

They have different chemical and physical properties.

The concept of cis form.

The concept of a trans form.

Z,E are notation systems of geometric isomers.

Examples of notation.

In the third valence state during sp hybridization ...

... the cartoon.

The electric current in electrolytes is the directional movement of ions.

Electric tools powered by batteries.

The concept of strong and weak current.

The concept of current strength.

Works carried out with the participation of electric current.

Experiments with light bulbs connected to the ...

A guest of the program is a lawyer Yevgeny Myslovsky.

A conversation about the definition of the concept of "mafia" and of organized crime as a socio-political phenomenon.

The financial and economic reasons for contract killings.

Comments on the explosion at the Kotlyakovskoye cemetery on November 10 ...

... NPO named after S.A. Lavochkin, RCC "Progress", GKNPC named after M.V. Khrunichev, corporations "VNIIEM", "TsNIIMash", as well as FSUE "CENKI".

The concept of manned flights to the moon aroused great interest among visitors.

The plot starred TsNIIMash researcher Maria Danilova, TsNIIMash lead engineer ...

Transistor receiver.

A board with transistors.

The concept of an amplifier.

Radar.

The hardware room at the television studio.

Measuring station.

Pulse signal amplifiers are used on all these devices.

Telephone exchange equipment.

Announcer on the radio.

Hardware recording studio.

Harmonic signal amplifiers ...

Block diagram of a multistage amplifier.

The concept of an amplifying cascade.

Electrical diagram of the cascade.

To provide a greater sound gain, the amplification scheme consists of several cascades.

A cartoon explaining the various connections between the cascades.

A cartoon explaining the schemes ...

... two-stroke cascade operation in the B mode.

The concept of amplifier feedback.

Block diagram of an amplifier with positive feedback.

The concept of positive feedback.

Formulas for calculating the output voltage and the output voltage coefficient.

The concept of negative feedback.

Block diagram of an amplifier ...