Home and renovations
In active systems, both liquid and air, the following elements can be distinguished:
- collector system (outer part;,
- transport system, controlling, emitting energy (inner part),…
Very interesting from the Polish point of view are the Swedish experiences in the field of large scale, long-term thermal energy storage and active systems using solar energy for entire heating …
How can lithopone be distinguished from other white pigments?
If lithopone is poured with dilute hydrochloric acid, hydrogen sulfide will be formed.
How can you tell the difference between heavy spat and barium white? …
Please characterize the differences between dye and chemical stains.
Dyeing stains give the wood a natural color, simply soaking into its structure. Chemical stains, on the other hand, cause color changes as a result of the reaction …
The previously repaired concrete surface was damaged again after many years. Whether previously repaired areas should also be rediscovered, if they are visually undamaged?
At the next time …
Window sills on the façade made of exposed concrete are intended for painting. The old paint coating of dispersion paint has partially peeled off. Water dripping from the horizontal surfaces of the balcony railing left dirty stains. Z …
climatic conditions, building material resources (their type and size), as well as the technical and cultural level of the population as well as socio-political conditions shaped the architecture, especially before the industrial era. In our times, others have appeared …
An example of an installation operating without a heat pump is an installation designed by the Technical University of Copenhagen for a single-family house built in 1978 r.
Scheme of a solar installation system for heating domestic hot water. and for needs …
Silicone impregnations are divided into three groups depending on the size of their particles. Please list these groups and indicate their advantages:
There are three groups of silicone impregnants:
1. Silany (silanes):…
Most of the improvements to passive heating systems were made by the ancient Romans, who in the first century. n.e. they first used glass as partitions in window openings. In addition to flat glass, they also used glass …