by-product

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by-product

Chemical
A product of a chemical reaction or industrial process which differs from the desired product.

Radiation physics
A class of secondary radioactive material regulated by the Nuclear Regulatory Commission.

References in periodicals archive ?

This study gave new strategy of synthesis i.e employing microwave as a tool to reduce reaction time and to avoid side products with increased yield.

A RAPID MICROWAVE-ASSISTED ONE POT SYNTHESIS OF 3, 4-DIHYDROPYRIMIDIN-2-(I H)-ONES

These reactions are pH dependent and GC-MS analyses of the side products formed supports a mechanism, which involves oxidation of the phenol to a phenoxy radical intermediate.

Reactions of nitrogen oxide and other reactive nitrogen species with substituted phenols

[Ba.sub.4][C.sub.60] [8] was refined in space group Immm above and below the superconducting transition, in the presence of small amounts of [Ba.sub.6][C.sub.60] and [Ba.sub.3][C.sub.60] side products. The occurrence of superconductivity in this non-cubic fulleride was rationalized in terms of hybridization between the fulleride ions and one of the two crystallographically distinct Ba ions, as revealed by the close contacts.

The high resolution powder diffraction beam line at ESRF

It is possible, therefore, that a combination of mechanisms involving nitric oxide and peroxynitrite may lead to lowered levels of several porphyrin biosynthetic enzymes, leading, in turn, to accumulation of porphyrin precursors and their side products.

Elevated nitric oxide/peroxynitrite theory of multiple chemical sensitivity: central role of N-methyl-D-aspartate receptors in the sensitivity mechanism

That's typically time-consuming and requires a lot of energy, Chemical catalysts such as the ones Schlaf and Xie are trying to create could cut down on energy use and efficiently create pure product without any contaminating side products.

Crude attempt: could corn sugars really replace crude oil?

Japanimation titles, like those sold by Central Park Media, also have a wealth of side products riding their coattails, including T-shirts, trading cards and animated cels.

Stemming the flood: surge in outlets selling videos puts squeeze on margins

If lasers could enhance drug synthesis, however, yielding large quantities of desired compounds free of unwanted side products, some medications could become safer and cheaper.

Dances with molecules: controlling chemical reactions with laser light

They currently recycle as much as 99 percent of side products, packaging and industrial waste."Side products like yeast and brewer's grain are used again as fodder for animals," Scaronimkovaacute added.

How to cope with waste

With Celfrost, Middleby will boast an expanded commercial foodservice product range in India, which will now include complementary cold side products, the CEO noted.