Biology



Fundamental research Text of the scientific work on the topic "Chemiluminescent technique for determining the total antioxidant capacity in medicinal plant raw materials"

Fundamental research Text of the scientific work on the topic

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Heading: Biology

Enzymes organic substances

Enzymes organic substances

Enzymes are a special type of proteins, which by nature play the role of catalysts for various chemical processes. This term is constantly heard, however, not everyone understands what an enzyme or enzyme is, what functions this substance performs, and what it is about.

Heading: Biology

Decarboxylation of aromatic carboxylic acids as an electrophilic substitution reaction Decarboxylation of benzoic acid salts

Decarboxylation of aromatic carboxylic acids as an electrophilic substitution reaction Decarboxylation of benzoic acid salts

Decarboxylation The decarboxylation reaction of carboxylic acids consists in the elimination of a carboxylic group from a carboxylic acid molecule, proceeding according to the following general scheme: R-C(O)OH --> R-H + CO 2 The most famous reactions of decarboxylates

Heading: Biology

What metal melts in your hands

What metal melts in your hands

Chemistry Gallium No. 31 Subgroup of gallium. The content of each member of this subgroup in the earth's crust along the series gallium (4-10~4%) - indium (2-10~6) - thallium (8-10-7) decreases. All three "elements are extremely dispersed, and being in the form of certain minerals for

Heading: Biology

General characteristics of group VIA p-elements

General characteristics of group VIA p-elements

The oxygen subgroup, or chalcogens, is the 6th group of the periodic table D.I. Mendelian, including the following elements: O;S;Se;Te;Po. The group number indicates the maximum valency of the elements in this group. General electronic formula of chalcogen

Heading: Biology

Boltzmann's law for the distribution of particles in an external potential field

Boltzmann's law for the distribution of particles in an external potential field

Boltzmann distribution Based on the basic equation of molecular-kinetic theory: P = nkT, replace P and P 0 in the barometric formula (2.4.1) with n and n 0 and obtain the Boltzmann distribution for the molar mass of a gas: With decreasing temperature

Heading: Biology

Who discovered the sea route to India and when did this happen?

Who discovered the sea route to India and when did this happen?

The discovery of India is one of the greatest geographical discoveries in human history. It would not have existed if the Europeans did not urgently need direct contacts with the country from where spices were brought to the continent. The debate about who discovered India continues a lot

Heading: Biology

“Fundamentals of chemical thermodynamics, chemical kinetics and equilibrium” Fundamentals of chemical thermodynamics Thermodynamics and kinetics of chemical reactions

“Fundamentals of chemical thermodynamics, chemical kinetics and equilibrium” Fundamentals of chemical thermodynamics Thermodynamics and kinetics of chemical reactions

Topic 3. General principles of chemical processes. Chemical thermodynamics and kinetics Introduction Central to chemistry is the study of the transformation of substances, including the energy and kinetics of chemical reactions. Mastering this teaching allows you to

Heading: Biology

Oleg Mityaev Oleg Mityaev biography briefly about the main thing

Oleg Mityaev Oleg Mityaev biography briefly about the main thing

For tourists and the sociable public, Mityaev means “It’s great that we are all gathered here today.” For the restaurant public it is “Unsharpened Knives” and other songs from the repertoire of M. Shufutinsky. Of those who love the original song, some unconditionally appropriate

Heading: Foreign

Grand Duchy of Lithuania in the 14th century Territory of Lithuania in the 14th century

Grand Duchy of Lithuania in the 14th century Territory of Lithuania in the 14th century

In the XIV-XV centuries. The Grand Duchy of Lithuania and Russia was a real rival of Muscovite Rus' in the struggle for dominance in Eastern Europe. It strengthened under Prince Gediminas (ruled 1316-1341). Russian cultural influence prevailed here at this time. Ge

Heading: Geography