Americium ( ) is a transuranic radioactive chemical element that has the symbol Am and atomic number 95.

One such proposal calls for a gas cooled fast reactor that is fueled primarily by Plutonium and Americium.

Americium ( Am ) is an artificial element, and thus a standard atomic mass cannot be given.

Americium was first produced in 1944 by the group of Glenn T. Seaborg at the University of California, Berkeley.

Americium was detected in the fallout from the Ivy Mike nuclear test.

* Americium ca.

An Americium container from a smoke detector.

* Americium discovered by Glenn T. Seaborg, et al.

During his Manhattan Project research in 1943 Glenn T. Seaborg experienced unexpected difficulty isolating Americium ( 95 ) and Curium ( 96 ).

The neutronic properties of Americium make it difficult to use in any critical reactor because it tends to make the moderator temperature coefficient more positive, decreasing stability.

The inherent safety of an ADS, however, would allow Americium to be safely burned.

For both Plato and Aristotle artistic mimesis, in contrast to the power of dialectic, is relatively incapable of expressing the character of fundamental reality.

The relatively long and often colorful selections in this anthology enable the reader to become genuinely absorbed in what is said, whether he responds with anger or applause.

But the firm has recognized the tight dollar and the tourist's desire to visit the `` smaller, less-traveled and relatively inexpensive countries '', and is now prepared to teach modern Greek and Portuguese through recordings.

It is, in fact, a relatively mild chastisement of the dead.

But by comparison with the railroad, the motor car is a relatively new object of popular worship, so it is too much to hope that it may be brought within the bounds of civilized usage quickly and easily.

When towns have the same fiscal year it is relatively easy to make meaningful comparisons ; ;

Another recent achievement was the successful development of a method for the complete combustion in a bomb calorimeter of a metal in fluorine when the product is relatively non-volatile.

In the daytime, on the other hand, since skywave transmission is relatively inefficient, it is possible to assign a substantially larger number of stations on these channels.

Because the bobbin-to-cone winding process is a relatively high-cost operation for the mill, the almost complete automation provided by the Uniconer can mean important economies in textile production, at the same time upgrading quality.

It is relatively easy to go a step further and reason that an attacker, in possession of such absolute power, would simultaneously destroy his opponent's cities and people.

A relatively simple switching arrangement reverses the cycle so that the machine literally runs backward, and the heat is extracted from outdoor air and turned indoors.

Although the standard deviation values on which spread of the lines is based are relatively larger for those centers which begin to ossify early ( Table 1 ), there are considerable differences in this value between centers having the closely timed Onsets.

But even in relatively primitive laboratory animals such as the rat, sex activity closely identified with the hypothalamus and the visceral brain is enhanced by the neocortex.

The society is likely to be characterized by having a fairly modernized urban sector and a relatively untouched rural sector, with very poor communications between the two.

Related to this is the fact that most of the higher religions define for the individual his place in the universe and give him a feeling that he is relatively secure in an ordered, dependable universe.

Although the Brandywine population is still predominantly rural, `` there are indications of a consistent and a statistically significant trend away from the older and relatively isolated rural communities.

In the primary grades, reading permeates almost every aspect of school progress, and the children's early experiences of success or failure in learning to read often set a pattern of total achievement that is relatively enduring throughout the following years.

Spontaneity training theory is unique and relatively new.

However, there are relatively few such political constituencies, and, as has been pointed out, there is seldom a clear-cut distinction between the educational interests of one social class and those of another.

This relatively high value is probably due to the small fiber diameters increasing the number of internal reflections.

What is noteworthy about this large group of teen-agers is that, although their attitudes hardly differentiate them from their gentile counterparts, they actually lead their lives in a vast self-enclosed Jewish cosmos with relatively little contact with the non-Jewish world.

There is a trend today to bemoan the fact that Americans are too `` soft ''.

It is not our bodies but our hearts and heads that have grown too soft.

When we become firm enough to stand for those ideals which we know to be right, when we become hard enough to refuse to aid nations which do not permit self-determination, when we become strong enough to resist any more drifts towards socialism in our own Nation, when we recognize that our enemy is Communism not war, and when we realize that concessions to Communists do not insure peace or freedom, then, and only then will we no longer be `` soft ''.

Turn off at any one of the marked picnic areas ( gasoline companies have touring service bureaus that issue booklets on national parks to tell you where you have barbecue facilities ) and -- with soft drinks cooled from morning loading up, hamburger, buns, an array of relishes, and fresh fruit -- your lunch is 75% cheaper than at a restaurant, and 100% more fun.

In soft woods with pronounced grain, there is sometimes a tendency for the hole to wander, due to the varying hardness of the wood.

The second walk through the heart of Rome should be taken after lunch, so that you will reach the Pincian Hill when the soft light of the late afternoon is at its best.

One of the finest soft shoe tunes ever invented, `` Once In Love With Amy '' is also, of course, one of the most tantalizingly persistent of light love lyrics to come out of American musical comedy in our era.

And although there was plenty of vigor in the performance, the ensemble was at its best when the playing was soft and lyrical, yet full of the suppressed tension that is one of the hallmarks of Beethoven.

A piece of soft fabric or rubber is placed behind the beads so that they do not move inadvertently.

Yellow arsenic is soft and waxy, and somewhat similar to tetraphosphorus ().

Actinium is a soft, silvery-white, radioactive, metallic element.

A marked difference from the text exists in Moran's portrayal, where she is shown to be an attractive, fashionable and emotional woman showing an occassional soft corner for Poirot.

Today, a soft version is sold under the same name which follows an entirely different recipe.

When initially expelled by or removed from the whale, the fatty precursor of ambergris is pale white in color ( sometimes streaked with black ), soft, with a strong fecal smell.

This " soft disconnect " condition is intended to allow calls to 9-1-1 emergency services and to the telco business office to order telephone service, but to no other numbers.

The bond forms because the adhesive is soft enough to flow ( i. e. " wet ") to the adherend.

Spin is induced by gun barrels having rifling which engages a soft metal band around the projectile, called a " driving band " ( UK ) or " rotating band " ( U. S .).

In between lies Strathmore, a derivation of the Gaelic for the Great Valley, which is a fertile agricultural area noted for the growing of potatoes, soft fruit and the raising of Angus cattle.

Another use of agar-agar is in Ptich ' ye moloko ( Bird's Milk ), a rich gellied custard ( or soft meringue ) used as a cake filling or chocolate-glazed as individual sweets.

Beadwork is the art or craft of attaching beads to one another or to cloth, usually by the use of a needle and thread or soft, flexible wire.

It is famous for the exceptional preservation of the soft parts of its fossils.

This is mainly due to the limited extent of burrowing activity ; as such bioturbation became more prevalent throughout the Cambrian, environments capable of preserving organisms ' soft parts became much rarer.

There is also a fountain ( şadırvan ) where worshipers can perform ritual ablutions before prayer ; the dome over the şadırvan is capped by a skylight which creates a soft, serene light below ; thus playing an important role in the illumination of the large building.