Faces, in crystallography, planes that pass through the centers of atoms in a crystal. In the process of spontaneous growth, crystals can develop polyhedral shapes composed of plan
Sep 22, 2022
Metal crystals are all metal elements, and the particles that constitute metal crystals are metal cations and free electrons (that is, metal valence electrons). In metal crystals,
InductiveEffectIndex represents the constant of the number of electrons moved by a group or atom in an adjacent bond through a σ bond system in an electrostatically induced manner.
Sep 21, 2022
Phenyl refers to a group with a benzene ring as a functional group, which is a common organic functional group. It reflects the properties of benzene, such as aromaticity, electrop
Lignin sulfonate is a multi-component high molecular polymer anionic surfactant extracted from wood. Its appearance is brownish-yellow powder, and its smell is fragrant. The molecu
Sep 14, 2022
The target organ is the main part where a certain poison exhibits toxic effects in the body and causes typical lesions. If this part is an organ, it is called a target organ, and i
Silicate refers to the general term for compounds formed by the combination of silicon, oxygen and other chemical elements (mainly aluminum, iron, calcium, magnesium, potassium, so
Sep 13, 2022
Dispersant is a kind of surfactant that has two opposite properties of lipophilicity and hydrophilicity in the molecule. It can uniformly disperse the solid and liquid particles of
The section of the power system that is exported from the step-down distribution substation (high-voltage distribution substation) to the user end is called the power distribution
Sep 09, 2022
The power supply system is a system composed of a power supply system and a transmission and distribution system that generates electrical energy and supplies and transmits it to e
Krypton difluoride, chemical formula KrF₂, is the only known fluoride of krypton. It decomposes spontaneously into krypton and fluorine at room temperature, and the decomposition r
Sep 08, 2022
Noble gas refers to the gas element corresponding to all 0 group elements on the periodic table, also known as noble gas. Under normal temperature and pressure, they are colorless
