Chromatography is a fairly effective method of analysis and separation of complex substances, which is constantly being improved and developed.
The invention of the chromatograph can be safely attributed to the most important discoveries of the last century. Over the years, the device has been improved several times, changing its way of working and design. Only the main principle of its operation remained unchanged – the device divides the mixture into separate substances, and then determines their belonging. Continue reading
At the very beginning it is necessary to determine the sale of any spare parts You will be engaged. It can be details for domestic cars, and also foreign.
At the very beginning it is necessary to determine the sale of any spare parts You will be engaged. It can be details for domestic cars, and also foreign. Although experts recommend to start this type of activity still with domestic parts. Pay off such a business, provided a favorable course of business can be about a year and a half. If you know how to open a car parts store”>how to open a car parts store correctly and follow all the tips, the risk of being in the red is minimal. Continue reading
Nowadays, prefabricated cameras that are designed for one-sided maintenance can be used both for distribution and for receiving AC energy.
Voltage can be from 6 to 9 kV in a network that is grounded by neutrality. As for the appearance, the KSO camera is a welding structure made of special profiles. Inside this camera can be installed equipment and elements for various purposes. For example, vacuum circuit breakers or current transformers. Continue reading