Pozzolana also is a decomposed tuff, but of basic character, originally obtained near Naples and used as a cement, but this name is now applied to a number of substances not always of identical character.

Pozzolana is a fine, sandy volcanic ash, originally discovered and dug in Italy at Pozzuoli in the region around Mount Vesuvius, but later at a number of other sites.

Pozzolana, also known as pozzolanic ash ( pulvis puteolanus in Latin ), is a siliceous or siliceous and aluminous material which reacts with calcium hydroxide in the presence of water at room temperature ( cf.

Pozzolana containing significantly less volcanic glass, such as a trachyandesite from Volvic ( France ) with only 25 wt % are less reactive.

In Italy the beaches of Pozzolana di Ponente on Linosa and Isola dei conigli on Lampedusa are the last remaining sites where the turtle regularly lays its eggs.

Covers: modifying harbor, for the garum industry, amphora factory, hydraulic concrete, of " Pozzolana mortar " and the five piers, of the Cosa harbor, the lighthouse on pier 5, diagrams, and photographs.

Covers, hydraulic concrete, of " Pozzolana mortar " and the 5 piers, of the Cosa harbor, the Lighthouse on pier 5, diagrams, and photographs.

* See Pozzolana mortar, for the marine concrete in the Port of Cosa.

The earliest evidence of settlement of the site come from finds of urns at two areas ( Cava della Pozzolana and Sorbo ) from the 8th and 9th centuries BC.

In any event, the critical productivity of that time is abundant proof that if he was taking laudanum, it was never in command of him to the extent that it had been during his vagrant years.

the ceramic material of the age is more abundant, more diversified, and more indicative of the hopes and fears of its makers, who begin to show scenes of human life and death.

It is power with which we can literally rebuild the world, provide adequate housing, food, education, abundant living for everyone everywhere.

Argon is the third most common gas in the Earth's atmosphere, at 0. 93 % ( 9, 300 ppm ), making it approximately 23. 8 times as abundant as next most common atmospheric gas, carbon dioxide ( 390 ppm ), and more than 500 times as abundant as the next most common noble gas, neon ( 18 ppm ).

Even though this element is not abundant, it is found in over 100 mineral species.

Three years later it was found in nature, although it is the least abundant element in the Earth's crust among the non-transuranic elements, with an estimated total amount of less than at any given time.

Abalone have long been a valuable food source for humans in every area of the world where a species is abundant.

This class is by far the most abundant.

Amber becomes abundant long after the Carboniferous, in the Early Cretaceous,, when it is found in association with insects.

In the Iliad, Ajax is notable for his abundant strength and courage, seen particularly in two fights with Hector.

Characteristic of the Sahara is the date palm, which flourishes where other vegetation can scarcely maintain existence, while in the semidesert regions the acacia, from which gum arabic is obtained, is abundant.

Of the grasses of Africa alfa is very abundant in the plateaus of the Atlas range.

The scorpion is abundant.

Studies of phytoplankton stocks in the southern sea have shown that the Antarctic Circumpolar Current is dominated by diatoms, while the Weddell Sea has abundant coccolithophorids and silicoflagellates.

However, the presence of a vigorous population of Celtic lineage, principally of Irish origin, has supported the creation of other celebrations of beer, often for marketing purposes, such as Saint Patrick's Day ( Día de San Patricio ), patron of Ireland, which is celebrated with abundant libations.

The Baltic Sea's salinity is much lower than that of ocean water ( which averages 35 ‰), as a result of abundant freshwater runoff from the surrounding land, combined with the shallowness of the sea itself ; indeed, runoff contributes roughly one-fortieth its total volume per year, as the volume of the basin is about 21, 000 km³ and yearly runoff is about 500 km³.

Lipostraca contains a single species, Lepidocaris rhyniensis, which is the most abundant animal in the Rhynie chert desposits.

The most abundant one is methyl bromide ( CH < sub > 3 </ sub > Br ) with an estimated 56, 000 tonnes produced by marine algae each year.

Joshua and Caleb, two of the spies, tell that the land is abundant and is " flowing with milk and honey "; the other spies say that it is inhabited by giants, and the Israelites refuse to enter the land.

William Styron, while facing the changing economy with a certain uneasy reluctance, insists he is not to be classified as a Southern writer and yet includes traditional Southern concepts in everything he publishes.

Often it is recognized that all the details of the pattern may not be essential to the outcome but, because the pattern was empirically determined and not developed through theoretical understanding, one is never quite certain which behavior elements are effective, and the whole pattern becomes ritualized.

And yet -- a year to a child is an eternity, and in the memory that phase of one's being -- a certain mental landscape -- will seem to have endured without beginning and without end.

Presupposed in Plato's system is a doctrine of levels of insight, in which a certain kind of detached understanding is alone capable of penetrating to the most sublime wisdom.

With troops dispersed on fields of battle rather than on the parade ground, it may seem that a certain amount of monitoring is automatically enforced by the lines of communication.

regarded from the inside, it is the carrying into action of a certain thought The historian's business is to penetrate to the inside of the actions with which he is dealing and reconstruct or rather rethink the thoughts which constituted them.

The knowledge in virtue of which a man is an historian is a knowledge of what the evidence at his disposal proves about certain events ''.

Criticism is as old as literary art and we can set the stage for our study of three moderns if we see how certain critics in the past have dealt with the ethical aspects of literature.

A tragedy, by his definition, is an imitation of an action that is serious, of a certain magnitude, and complete in itself.

There is now substantial evidence from several major studies of college students that the experience of the college years results in a certain, selective homogenization of attitudes and values.

As Sir Charles Oman once said, `` it is no longer fashionable to declare that we can say nothing certain about Old English origins ''.

Many readers of this department no doubt discount certain of my opinions for the simple reason that they can guess pretty accurately, even if they have never actually been told, what my age is.

His may typify a certain kind of postwar New York experience, but his experience is certainly not typical of his `` generation's ''.

I wanted to grab her by the arm and beg her to wait, to consider, to know for certain because life is so long and marriage is so important.

The appointment of U Thant of Burma as the U.N.'s Acting Secretary General -- at this writing, the choice appears to be certain -- offers further proof that in politics it is more important to have no influential enemies than to have influential friends.

Independence Day is the appropriate date as a symbolical reminder of the American article of faith that governments are instituted among men to secure to them certain inalienable rights, the first of which is life, and when any government becomes subversive of that end, it is the right of the people to alter or abolish it.