Sentences with phrase «remaining organic material»

That remaining organic material is what makes up the huge carbon and nitrogen stores in soil.

In the second - stage reactor, the remaining organic material is subjected to more intense heat, continuing the breakup of molecular chains.

Not exact matches

In traditional systems, most of the power goes into pumping air through the water so that bacteria in the water can grow and consume organic material that remains after the largest particles have been removed.

«When the carcass of a vertebrate reaches the Mediterranean seabed and remains at shallow depths, it is free - living bacteria that degrade its bones and decompose the organic material.

«This rich assemblage of materials in bronze, silver, lead and iron, along with the abundant ceramics and remarkable evidence of organic remains, create an unparalleled opportunity for the study of culture, religion and daily life in Chianti and the surrounding region,» she said of the well excavation that began in 2011, which is part of a larger dig encompassing the entire Cetamura settlement.

Yet there is always some leftover organic material, consisting of carbon, nitrogen, and minerals, which remains sequestered in the soil, somehow prevented from further decomposition.

The process remains experimental, and the engineers can not yet precisely control the alignment of organic materials in their transistors or achieve uniform carrier mobility.

«Urban organics» thus remain at higher levels longer, says Canuel, «delivering more organic material to the river mouth and increasing the likelihood that low - oxygen conditions will develop in downstream locations such as estuaries and the coastal ocean.»

Natural mercury found in the atmosphere binds with organic material in the soil, gets buried by sediment, and becomes frozen into permafrost, where it remains trapped for thousands of years unless liberated by changes such as permafrost thaw.

The bacteria living in these sediments were respiring the oxygen but at a slower rate than the supply of organic material dropping out of the water column, allowing these ancient deep marine sediments to remain oxygenated.

All the original organic material disappeared, but nature left a precise mineral reproduction of the plant or animal remains.

Barrier film - a flexible transparent film to cover materials involved in organic electronics, protecting them from exposure to oxygen and water vapour, allowing them to remain non-rigid and extending their life span considerably.

We needed to form microcapsules, coat them down into an individual layer, and then — most importantly — create a closed system involving dozens of different organic materials that would remain stable over years of exposure to high electric fields and the extremes of temperature and humidity.

Measuring the amount of C14 remaining gives an approximate age of the artifact, but only organic material.

Because charcoal decomposes less rapidly than other organic materials, it will remain for a much longer period at the soil surface, in most cases for thousands of years (Payette & Morneau 1993).

These middens of accumulated faecal pellets and a brown tar - like substance known as hyraceum (a urinary product composed of organic elements, soluble salts, and carbonates; Leon and Belonje 1979) trap plant material, pollen, and animal remains.