When boron levels in plant tissue exceed 200 ppm, symptoms of boron toxicity are likely to appear.

Boron carbide, B4C, on the other hand, has an unusual structure which includes icosahedral boron units linked by carbon atoms.

Cubic

Semiconductor lasers with blue beams are typically based on gallium(III) nitride (GaN violet color) or indium gallium nitride (often true blue in color, but also able to produce other colors).

These systems are mostly fabricated from silicon (Si), silicon nitride (Si3N4), or polymers.

The reaction is very sensitive and so the smallest quantities of boron can be detected.

Specifications The 747 LCF main cargo compartment has a volume of 65,000 cubic feet (1,840 cubic meters).

Today, blue lasers use a sapphire surface covered with a layer of gallium nitride (this technology is used by Japanese company Nichia, which has an agreement with Sony), and blue semiconductor lasers use a gallium nitride mono crystal surface (Polish company TopGaN).

At 737,544 cubic metres, total output was down 6.1 per cent from the previous year's figure of 782,342 cubic metres.

Forty million solid cubic metres of wood are harvested each year from forests in Germany some 60 million cubic metres are growing, which would make a further 20 million cubic metres available as fuel for heating.

There is one more Polish high tech company which creates gallium nitride crystal Ammono, but this company does not produce blue lasers.

The volume of the Atlantic with its adjacent seas is 354,700,000 cubic kilometers (85,100,000 cu mi) and without them 323,600,000 cubic kilometres (77,640,000 cu mi).

We actually get 175 horsepower into one cubic foot.

If current trends continue, global annual water usage is set to increase by more than two trillion cubic metres by 2030, rising to 6.9 trillion cubic metres.

It's a false wall, which contains like 110 cubic feet.

Aluminium atoms are arranged in a face centered cubic (fcc) structure.

It took 1,800,000 cubic meters of concrete to build the bridge.

By comparison, the air we breathe contains about 1025 molecules per cubic meter.

However, they did not have a method for solving the general cubic equation.

The water supply network is capable of producing some 882,000 cubic meters of water per year two water supplying lakes by the town have a combined annual minimum capacity of more than 7.2 million cubic meters.

The US liquid quart equals 57.75 cubic inches, which is exactly equal to 0.946352946 litres.

Oxidizers include boron(III) oxide, silicon(IV) oxide, chromium(III) oxide, manganese(IV) oxide, iron(III) oxide, iron(II,III) oxide, copper(II) oxide, and lead(II,IV) oxide.

To the right of the processional Roman staircase stands a cubic altar, also of Roman construction.

So his algorithm essentially tells these robots how to autonomously build cubic structures from truss like elements.

Nature s water replenishment capacity is fixed, limiting the world s usable freshwater resources to about 200,000 cubic kilometers.

At , 12.5 cubic centimeters of this solution is added to one liter of water to be disinfected.

Shah Deniz is expected to produce up to 296 billion cubic meters of natural gas per year.

Later in 2009 with some expansion the production reached to 132,000 cubic meters of water a day.

And we will probably put 1,800 megawatts of solar systems to produce 3.5 million cubic meters of water.

The total volume is approximately 1.3 billion cubic kilometers (310 million cu mi) with an average depth of .

The mean annual flow rate of the Congo River at Inga Falls is 42,000 cubic metres per second.

In 2002 a total of 112,000 cubic meters of wood were harvested, nearly half of which was used as fuel.

(g) groundwater abstraction facilities, regardless of the use or destination of the water, above 3.5 million cubic metres per year

Cylinder capacities may range from 10 cm³ or less in model engines up to several thousand cubic centimetres in ships' engines.

At a temperature of let the water stand for 30 minutes or use 25 cubic centimeters of saturated solution per liter.

Silicon, like carbon and germanium, crystallizes in a diamond cubic crystal structure, with a lattice spacing of 0.5430710 nm (5.430710 Å).

The desalination plant, which will have a capacity of 1,600 cubic metres per day, should be operational by the year 2007.

For Norway, the Norwegian Petroleum Directorate gives a figure of 4,601 million cubic metres of oil (corresponding to 29 billion barrels) for the Norwegian North Sea alone (excluding smaller reserves in Norwegian Sea and Barents Sea) of which 2,778 million cubic metres (60 ) has already been produced prior to January 2007.

trimethylamine where it forms NMe3.SnBr2 and 2NMe3.SnBr2It can also act as both donor and acceptor in, for example, the complex F3B.SnBr2.NMe3 where it is a donor to boron trifluoride and an acceptor to trimethylamine.

More than 50 trillion cubic meters of natural gas, and misleading expectations, are about to recreate this pattern of underdevelopment in Bolivia.

Indeed, it costs 0.70 0.80 per cubic meter to provide piped water in urban areas, compared to 2 in sparsely populated areas.

It is said that 3.5 billion tons of oil and 2.5 trillion cubic meters of gas could be found in that area.

The reservoir volume is about equivalent to the annual flow of the Nile at the Sudanese Egyptian border (65.5 billion cubic meter).

For chemicals, the chemical regulation is usually expressed in parts per million (ppm), or sometimes in milligrams per cubic meter (mg m3).

Based on the dimensions and capacity of the artificial recharge installation to be constructed, the French authorities and public collectivities shall ensure that the aggregate of water extractions by the users located within their territory shall not exceed 5,000,000 cubic metres per annum, inclusive of a free allocation of 2,000,000 cubic metres.