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Who said it's not sensible and why? It depends what you have now, why and want you want to change to? In general, new windows containing double glazed sealed units (eg with a gap of 10-24mm between the panes and the space filled with Argon) perform better then secondary double glazing which is basically an additional pane of glass added on the inside. That might be a reason to replace. However adding secondary double glazing is cheaper than replacing the whole window. In some cases it's possible to replace the existing single pane with a double glazed sealed unit. If the windows are relatively well sealed and in good condition I would look at this possibility before considering secondary glazing. However it's not allways possible to do this due to the design of the window, in particular the depth of the rebate the glass sits in. It's quite common to do this where the windows have some historic or architectural merit or where they match other houses in the street and can't be replaced like with like. I can't really improve on this answer without knowing a bit more about the context of the question.
Chargaff observed that the number of Guanine units in a section/piece of DNA was the same as the number of Cysteine units and that the number of Thymine units equaled the number of Adenine units. This matched the double helix structure because Cysteine pairs with Guanine, and Thymine pairs with Adenine - meaning that Chargaff was right in that there must be an equal number of Cysteines and Guanines as well as equal Thymines and Adenines.
Into units of what?
# Units allows use to compare quatities that are not in the same space, place or time # units also indicates the physics quantities measured or been measure as each quantities has particlar units
CGS units are the standard for the metric system; Centimetres, Grams, Seconds
The advantage of double glazed window units is how well they are able to insulate a house. A double glazed window unit can actually save a household hundred of dollars every year in electricity.
so they can be put into sealed double glazed units to lower heat loss and reduce noise
If you are talking about double glazed panels - you cannot dismantle them. They are sealed units with silica in the metal seperator frameowork.
Glass oven doors are commonly double-glazed to keep the efficiency of the oven. Otherwise, the heat would leak out. These are sealed units, and there should be no need to clean the inside of the double-glazed unit. As for char etc baked on to the inner surface of the unit, normal domestic cleaners should prove adequate. But beware of any treatment that would scour or mark the glass surface. As this could cause failure of the glass, which is usually tempered glass.
Field Replaceable Units
Field Replaceable units, Chinese components (they cheaper to replace than repair).
The Double helix is actually made of repeating units called nucleotides
Present your answer with units. Double-check that your answer satisfies the equation. apex? -fojus
21 21 because 21x4=84
First satellite repaired bya space shuttle in outerspace was "Solar Max" and was completed by astronauts George "Pinkey" Nelson and James "Ox" Van Hoften using manned maneuvering units and was performed on April 8 & 11, 1984. This was the first time a satellite was repaired in space.
K glass is a glass with a coating on for energy efficient glazing in double glazed units and is manufactured by pilkington glass this can be sold by any glass outlet and can be in standard form or toughend if required,Darby tuf is owned by Darby glass now out of business and is their stamp to show they made the glass into toughened
A sphere with a volume of 45 cubic units has a radius of 2.21 units. If you double the radius to 4.42 units, the volume becomes 362 units3Apex answer: 360 units3