There are two series of rare earth metals, the lanthanides and the actinides.

Most contaminants are coliform bacteria and faecal streptococcus, and among chemical ones, there are ammonia, nitrates, nitrites, rare heavy metals and other toxic agents.

They could not yet produce pure samples of all the rare earth elements, even in the form of their salts, and in some cases they were unable to distinguish between mixtures of two very similar (adjacent) rare earth elements from the nearby pure metals in the Periodic Table.

This has tended to increase metals prices, fueling Australia s large export surplus in metals.

What if we were to separate out metals from waste streams, small amounts of metals in water? That's what microbes do they chelate metals out of water.

Mail has applications in sculpture and jewellery, especially when made out of precious metals or colourful anodized metals.

And they extract the metals by hand.

Period 2 only has two metals (lithium and beryllium), making it the least metallic period (period 1 has no metals, but as mentioned above, only has two elements, so it would be impossible to have more metals) and the most nonmetals, with four.

Before the invention of coins, commerce depended on precious metals.

Brave leadership is rare.

A rare Persian Leopard.

From Rare Book Room.

This is very rare.

These instances are rare.

It's mostly many types of plastics and many types of metals.

To separate the metals, they must first be brought into solution.

Political violence has been rare.

These are not rare occurrences.

Heavy metals in wine controversy In 2008, researchers from Kingston University in London discovered red wine to contain high levels of toxic metals relative to other beverages in the sample.

The waste is separated into recyclable materials (plastics, metals) and organic waste.

He is known for his work on the chemistry of platinum metals.

Copper, nickel, and other metals are also common, but in lower denominations.

resulting from surface treatment of metals and plastics (Y17) (decision VII 15)

If EID s were rare, management through crisis response might be cost effective. But EID s are not rare at all.

Big speculative bubbles are rare events.

Real debt defaults are historically rare.

The smile was rare and constrained.

But we have a rare quality.

This type of cancer is rare.

The condition is rare in adults.

There have been similar improvements across the board in metals mining and agriculture.

Exports of commodities, such as energy and base metals, have also increased strongly.

Mining and manufacturing metals is a costly, energy intensive, and, often, ecologically destructive process.

Here, plants evolve that have resistance to high levels of metals in the soil.

In the nickel and copper deposits, the platinum group metals occur as sulfides (i.e.

Many rare diseases appear early in life, and about 30 percent of children with rare diseases will die before reaching their fifth birthday.

The Beinecke Rare Book Manuscript Library is the rare book library and literary archive of the Yale University Library in New Haven, Connecticut.

How did you come by these rare books?

A real friend is like a rare bird.

Indeed, China has a rare problem excessive savings.

Top down directives and outright censorship are rare.

Rare earth mines are found throughout the world.

Such conspiracy theories are not rare in Asia.

Side effects are rare but can be serious.

Furthermore, mobile phone batteries contain toxic substances, including heavy metals like cobalt, lead, and zinc.