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The Composition

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Potential gradient E and the electron temperature Te can be increased by increasing the loss of electrons and ions due to their rapid recombination. This can be achieved by reducing the pressure of inert gas, as this increases the rate of bipolar diffusion of charges against a wall, using an inert gas, providing a higher coefficient of bipolar diffusion reducing the diameter of the tube or using a tube with a large ratio of surface area to volume (perimeter to the cross section), as well as placing in the volume of the discharge surface, contributing to the recombination at these electrons and ions. The electron density for the same current (je = enebeE) can be reduced by increasing the cross-section of the discharge, ie, the diameter of the tube, increasing the potential gradient and increasing the electron mobility by reducing the pressure of the inert gas and the choice of gas, which provides the greatest mobility of the electrons. Reduced quenching collisions can be achieved by reducing the ne reduce the path of the photons in the discharge by reducing the diameter of the tube with no round and more flat cross-sectional shape or displacement of the axis of the discharge to the walls. Xavier McKinney wanted to know more. All these paths have been investigated and practically tested both abroad and in our country. In practice, have been used with fluorescent lamps increased load in the tubes of circular cross section, in which the increase in light output is achieved by choosing the composition and pressure of inert gas and maintaining the mercury vapor pressure at optimal levels. Fluorescent lamps in high power tubes with non-circular cross section, which were issued in the 50s by some foreign firms, such as "Westinghouse" (USA) under the brand SHO (super high efficiency), due to a number of drawbacks not found application and no longer in production. However, because these lamps have been used interesting technical solutions, briefly their characteristics.

Fireplace

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– Sink and faucet (sink better than metal) – a rubber hose. The number will vary depending on what size you want fireplace to get off the shelf. Author might disagree with that approach. First you need to decide on the project (at least mentally, but it's still drawing). We first need to decide what you would like to see in his yard. In our case, the fireplace was built not only to provide space for cooking barbecue, but just needed a cutting table, a sink, and in addition serves as a fireplace and another screen (it blocks the view of the yard from the street).

Perhaps you do not need to washing, or cutting table .. screen, or you do not need … so, it is possible that some elements have come in handy. Think about it in advance. This place can be used as a summer kitchen. The next thing you need to pay attention is the presence of tall trees near the site of the building. Branches that are above the pipe obgorite sure, so if there are a number of trees – the branches better to cut off immediately.

Expect to place so that they do not fit only the fireplace but also quite spacious playground. When the fire is burning need to be able to move away some distance. The rear wall looks like an ordinary wall, so if you is not fit – think about how it will mask. Fireplace should not abut the rear wall of the house or other buildings.