Glossary, Page 17
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Nedis SmartLife
Nedis SmartLife is a smart home system that allows users to control and automate various devices in their home using a smartphone, tablet or voice assistants. This system is developed by Nedis, a company known for its smart devices and accessories…
negative pressure
Vacuum is a physical quantity that describes the difference between the actual pressure in a system and the pressure that would be in the same system under normal conditions. It is the degree to which the pressure in the system is lower than normal…
Net weight
Net weight is a measure of the weight of an object or substance without the inclusion of any added weight such as packaging, packaging material or other admixtures. It is the weight of the object or substance itself after subtracting the weight of…
neuralizing filter
A neuralizing filter, also known as a neutralizing filter, is a device used to adjust the pH value of water by reducing its acidity or alkalinity. This type of filter equipment is often used in various applications where it is necessary to maintain a…
nickel
Nickel Niccolum is a chemical element in the periodic table that has the symbol Ni and atomic number 28. It is a silvery white metal that has a high luster. It belongs to transit metals and is hard and malleable. It occurs in combination with…
nipple
The term nipple is used to refer to a certain type of connector or various components that are used to connect or connect two pipe sections, pipes or fittings. The nipple is used to fix and seal the connection between two pipe segments and can be…
Nitrates
Nitrates are chemical compounds containing a nitrogen cation in their chemical composition. Most nitrates are in the form of NO3- anions, where nitrogen is in its highest oxidation state of +5. Nitrates are common in nature and are found in water,…
Nitrile rubber (NBR)
Nitrile rubber (NBR) is a synthetic elastomer that is made from nitrile and butadiene. It is known for its good resistance to oils, fuels, chemicals and heat. This combination of properties makes NBR a very useful material for various…
Nitrites
Nitrites are chemical compounds containing the anion NO2- in their composition. They are derivatives of nitric acid (HNO2) and contain nitrogen in a lower oxidation state, namely +3. Nitrates are less stable than nitrates (where nitrogen is in the…
noble gases
Inert gases or noble gases are gases that do not interact with other substances or materials in heating or technical distributions. In this way, they minimize the risk of unwanted chemical reactions, corrosion or other destructive processes…
Noise
Noise From a biological (medical) point of view, noise is sound that is harmful due to its excessive intensity. The effect of noise is subjective (annoying, disturbing concentration and mental well-being) and objective (measurable hearing damage).…
non-ferrous metals
The term "non-ferrous metals" refers to a group of metallic elements that have a characteristic colored surface layer. This colored layer is created by oxidation or corrosion of the metal surface and creates various colors. Among the most famous…
novaservis
about company NOVASERVIS is a leading manufacturer of Slovak faucets (METALIA) and bathroom accessories (NOVATORRE) not only in the Czech Republic, but also in Central and Eastern Europe. The wide assortment is significantly complemented by…
nozzle
A nozzle is a device or opening that serves to direct the flow of a liquid or gas. Nozzles are used in various applications and industries to achieve the desired dispersion, velocity, pressure, flow or mixing of liquids or gases. In…
nozzle
The subsonic inlet section is characterized by a subsonic speed (Mach<1) and a narrowing (convergent) cross-sectionThe critical section of the nozzle is characterized by flow at the speed of sound (Mach=1)The expansion part of the nozzle is…
Nylon
Nylon is a type of synthetic polymer that belongs to the polyamide group. It was developed in 1935 by Wallace Carothers and his team at DuPont. Nylon is known for its strength, durability and elasticity, making it very popular in many industrial…
O-rings
O-rings are one of the most common types of sealing elements in the industry. These are circular sealing elements made of elastic materials that are inserted into the space between two coupling parts in order to prevent the leakage of liquids or gas…
ocean energy
Ocean energy is a type of renewable energy that uses the various forms of energy that are present in the oceans, such as currents, waves, differences in water temperature and salinity, to generate electricity or other forms of energy. Ocean…
OEM manufacturers
OEMs (Original Equipment Manufacturers) are companies or organizations that produce components, parts or products that are subsequently used in other companies' products. These components or products are often referred to as "OEM products" or…
oil radiator
An oil radiator is a type of electric heating device used to heat rooms. It works on the principle of heat transfer using heat transfer oil, which is heated by an electric heating element and then circulated through a radiator to transfer heat to the…
Olimpia Splendid
Olimpia Splendid is an Italian company specializing in the development and production of air conditioning and heating systems for homes, commercial spaces and industrial applications. The company has a rich history and is considered one of the…
opentherm
OpenTherm is a communication protocol used in domestic heating systems to control and communicate between different devices such as heating boilers, thermostats and heating pumps. This protocol is often used in modern central heating and air…
operating system
An operating system (OS) is a software layer that controls and manages the hardware and software resources in a computer system or other electronic device. It is the basic software that enables the launch and management of applications, ensures the…
Optical efficiency
Optical efficiency is a physical quantity used to measure the efficiency of light transmission or absorption in a particular optical system, material or device. It refers to the ability of an optical system to capture, transmit, reflect, refract or…
Optoelectronics refers
Optoelectronics refers to technologies and devices that combine optical and electronic properties and processes. These technologies are focused on the manipulation and detection of light signals using electronic components and related…