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 is abundant in certain locations and is extensively used as an addition to Portland cement in countries such as Italy, Germany, Turkey, China and Greece.

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.

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.

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.

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.

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.

In fact, several studies indicate that only 25 to 30 percent of the adult population of Western countries produces S-equol after eating soy foods containing isoflavones, significantly lower than the reported 50 to 60 percent frequency of equol-producers in adults from Japan, Korea or China.

The respiratory system of birds differs significantly from that found in mammals, containing unique anatomical features such as air sacs.

Preliminary limited studies of mate have shown that the mate xanthine cocktail is different from other plants containing caffeine, most significantly in its effects on muscle tissue, as opposed to those on the central nervous system, which are similar to those of other natural stimulants.

The United States Environmental Protection Agency ( EPA ) defines re-refined products as containing at least 25 % re-refined base stock, but other standards are significantly higher.

Great Slave Lake is slightly smaller, with an area of and containing of water, although it is significantly deeper than Great Bear.

In the 17th and 18th centuries especially, these ' chalybeate ' waters ( i. e. containing iron ) were a popular health treatment, and the influx of wealthy but sickly visitors contributed significantly to the wealth of the town.

Nests containing larger numbers of eggs are generally believed to be the result of more than one hen using the nest ; eggs are large and an incubating bird could not realistically cover significantly more than a normal clutch.

In the 1990s, the shopping centre was significantly expanded to form what is now Rushmere Retail Park, containing many major retail stores.

Still, spam emails containing the word " Viagra " do get filtered because the content of the rest of the spam messages differs significantly from the content of legitimate messages.

Predictors of the relapse, and that could influence treatment strategies, are considered the type of primary headache, from which MOH has evolved, and the type of drug abused ( analgesics, and mostly combination of analgesics, but also drugs containing barbiturates or tranquillisers cause significantly higher relapse rates ), while gender, age, duration of disease and previous intake of preventative treatment do not seem to predict relapse rate.

Dosage of mushrooms containing psilocybin depends on the potency of the mushroom ( the total psilocybin and psilocin content of the mushrooms ), which varies significantly both between species and within the same species, but is typically around 0. 5 – 2 % of the dried weight of the mushroom.

The respiratory system of birds differs significantly from that found in mammals, containing unique anatomical features such as air sacs.

In British Columbia, western tanagers occurred at significantly ( p = 0. 027 ) higher densities after " light " logging on a site containing Douglas-fir and ponderosa pine.

At more than six minutes long and containing four distinct sections, the track is significantly influenced by The Beatles ' " Happiness Is a Warm Gun " and Queen's " Bohemian Rhapsody ".

To keep the helium from boiling away, the cryostat is usually constructed with an outer jacket containing ( significantly cheaper ) liquid nitrogen at 77 K. One of the goals of the search for high temperature superconductors is to build magnets that can be cooled by liquid nitrogen alone.

Siltstones differ significantly from sandstones due to their smaller pores and higher propensity for containing a significant clay fraction.

This at face value appears to be comparable to an R-13 batt of fiberglass, but because in a standard stick frame house there is significantly more wall containing low R value wood that acts as a cold bridge, the thermal performance of the R-13. 8 SIP wall will be considerably better.

A double-blind, human pilot study published in Alternative Therapies in Health and Medicine found that those who ate the most carbohydrates and took a supplement containing Phase 2, lost significantly more weight and inches from their waist than the placebo group.

This performance can vary significantly when end-users purchase Viton polymer containing rubber goods from different sources.

During the hour that CTU was held hostage, Tony guides Kim Bauer to encrypt the hard-drive containing the data of the undercover CTU agents, significantly slowing down the terrorists ' progress in getting the information.

The medical treatment of essential tremor at the Movement Disorders Clinic at Baylor College of Medicine begins with minimizing stress and tremorgenic drugs along with recommending a restricted intake of beverages containing caffeine as a precaution, although caffeine has not been shown to significantly intensify the presentation of essential tremor.

Of course it is not the only reason, but if one compares electrocoating compositions with aromatic urethane crosslinkers to analogous systems containing aliphatic urethane crosslinkers, consistently systems with aromatic urethane crosslinkers perform significantly better.

Religious texts contain a significantly higher incidence of Hebrew loanwords, and reflect an overall more " educated " style, containing many words from Old French, Provençal, Greek, Hebrew, Aramaic and Latin.

Most significantly, however, whereas some of the existing publications had eventually included a small amount of original material, generally as filler, New Fun # 1 was the first comic book containing all-original material.

-- As an aid in reducing losses due to enterotoxemia ( overeating disease ), feed a complete ration containing not less than 20 and not more than 50 grams of Aureomycin per ton.

Analysis of resistive circuits is less complicated than analysis of circuits containing capacitors and inductors.

Typical administration involves a pill or liquid containing sodium iodide ( NaI ) taken orally, which contains a small amount of iodine-131, amounting to perhaps less than a grain of salt.

Those containing less than or equal to 15 mg per dosage unit in combination with paracetamol or another non-controlled drug are called hydrocodone compounds and are considered Schedule III drugs.

The effective velocity of light in various transparent substances containing ordinary matter, is less than in vacuum.

His less practical and more metaphysical Idea del tempio della pittura (" The ideal temple of painting ", Milan, 1590 ) offers a description along the lines of the " four temperaments " theory of the human nature and personality, containing the explanations of the role of individuality in judgment and artistic invention.

In the United States, beverages containing less than 0. 5 % alcohol by volume ( ABV ) were legally called non-alcoholic, according to the now-defunct Volstead Act.

In contrast, when a random variable takes values from a continuum, probabilities are nonzero only if they refer to finite intervals: in quality control one might demand that the probability of a " 500 g " package containing between 490 g and 510 g should be no less than 98 %.

If he was less effective than his father in containing the Norman lords ' propensity for rebellion and violence, through charisma, or political skills, he was forceful in overcoming the consequences.

In sharp and clear contrast the set just considered is a readily finished, locked infinite set, fixed in itself, containing infinitely many exactly defined elements ( the natural numbers ) none more and none less.

In basic rocks ( containing 20 % of silica or less ) it is rare and accidental.

The increased risk averaged over all homes containing guns was similar in size to that correlated with an individual with a criminal record living in the home, but substantially less than that associated with demographic factors known to be risks for violence, such as renting a home versus ownership, or living alone versus with others.

For applications where a flatter ( less shiny ) sheen is desired, products containing amorphous silica, such as " Shellac Flat ," may be added to the dissolved shellac.

Given any such interpretation of a set of points as complex numbers, the points constructible using valid compass and straightedge constructions alone are precisely the elements of the smallest field containing the original set of points and closed under the complex conjugate and square root operations ( to avoid ambiguity, we can specify the square root with complex argument less than π ).

Echinococcus adult worms develop from protoscolices and are typically 6mm or less in length and have a scolex, neck and typically three proglottids, one of which is immature, another of which is mature and the third of which is gravid ( or containing eggs ).

They are less likely to eat mixed materials containing artificial fibers.

These forces dominate the interaction of non-polar molecules, and also play a less significant role in van der Waals forces than molecules containing permanent dipoles or ionized molecules.

The area to the south is generally less residential, containing several hospitals, including Great Ormond Street, and gradually becomes more commercial in character as it approaches the boundary with Holborn at Theobalds Road.

The borough comprises a patchwork of extremely affluent as well as some less affluent neighbourhoods ; The areas of Fulham, Parsons Green, Brackenbury Village, Brook Green, Ravenscourt Park and the Riverside compose of highly expensive Victorian and Edwardian houses, contrasting to the areas of White City and Shepherd's Bush, which, though also containing gentrified areas, have a more diverse and edgy backdrop.

The Registrar General, however, opted for enumeration districts containing less than 1, 000 people on average, rather than adopting census tracts.

A meta analysis of trials of EPA supplements for depression in non-pregnant adults concluded that supplments with more than 60 % EPA are effective, but those containing primarily DHA, or less than 60 % EPA, were not effective.

These raisins show development characteristics indicative of the fact that they are prepared from well-matured grapes ( containing no less than 80 % water by weight ).

It consists of a bulb containing mercury attached to a glass tube of narrow diameter ; the volume of mercury in the tube is much less than the volume in the bulb.

The next step of the plan was to split Alitalia in two parts, one part containing the debts and less promising parts of the company.

South ward is a marginal ward, containing relatively affluent suburbs of Pontefract and outlying villages such as Darrington, combined with less wealthy areas such as Chequerfield.