In the sowing of seedlings of spring sorghum vegetables, the soil temperature is often caused by heavy losses. In places where electricity is available, the construction of electric hotbeds will ensure the required soil temperature for seedlings. The relevant technology is introduced as follows. The use of soil electrothermic heating lines and agricultural temperature controllers to increase soil temperature in the seedbed and to automatically control the temperature according to different seedling requirements. It can be used for soil warming in seedbeds in various facilities such as greenhouses, large, medium and small sheds. At the same time, it is not necessary to energize and warm the entire seedling period. Only during the critical period, if the temperature does not meet the requirements, it will be heated. Therefore, as long as the electric hotbed is properly designed and used properly, it can reduce the cost of investment, and can cultivate strong seedlings. In order to save electricity, reduce heat loss, and improve insulation, it is best to lay 5-6 cm thick rafts under the nursery bed to form a heat-insulating layer. After laying 3 cm thick bed soil on the heat-insulating layer, lay the electric heating wire, and then lay 8-10 cm thick bed soil on the wiring. You can also put the nursery pot directly on the electric heating line. In the electric heating hotbed, a small arch shed is affixed, and a film grass cover is stamped at night, so the heat preservation effect is better. The main technical parameters of the hotline can be found in the manufacturer's instructions. Common power ratings are 600 watts, 800 watts, and 1,000 watts, and lengths are 80-120 meters. The required power density per square meter is 80-120 watts/meter2. The total power required for the electrothermal hotbed is the total area of ​​nursery power density. The formula for using the number of electric heating wires is the total area for electric heating (m2) and the power density (watts/meter2) rated power (watts). The distance between the wirings can be calculated as the length of the line power power density line. Since the seedbed is surrounded by heat quickly and the temperature is low, it can be considered that the distance of the border line can be reduced by 2-3 cm in the specific wiring, and the distance between the center line and the border can be enlarged by 2-4 cm. During the wiring, insert the small wooden (bamboo) stick 10 to 15 centimeters long at the two ends of the seedbed according to the calculated spacing of the prefabricated wiring. One person came to play the line and one person straightened the line around a wooden stick. Be careful not to wrap the heating wire around the stick. The wire should not be bent, rolled, or placed close to the adjacent wire so as to avoid leakage due to winding heat to burn out the insulation. In addition, the heating line cannot be lengthened or shortened. If the heating wire is damaged, it must be wrapped with waterproof tape to prevent leakage. And install the temperature controller.
Tattoo Ink : Tattoo inks consist of pigments combined with a carrier, and are used in tattooing.
Tattoo inks are available in a range of colors that can be thinned or
mixed together to produce other colors and shades.
Most
professional tattoo artists purchase inks pre-made (known as
pre-dispersed inks), while some tattooers mix their own
using a dry
pigment and a carrier.Tattoo ink is generally
permanent. Tattoo removal is difficult, painful, and the degree of
success depends on the materials used. Recently developed inks claim to
be comparatively easy to remove. Unsubstantiated
claims have been made
that some inks fade over time, yielding a "semi-permanent tattoo."
Tattoo Ink
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