Sentence examples for biological alteration from inspiring English sources

"The action of the ice sheet pulverises the rock bed, and the mineral particles then go into the water where they become available for chemical and biological alteration".

Water pollution is generally defined as any physical, chemical, or biological alteration in water quality that has a negative impact on living organisms.

Digenesis is defined as the physical, chemical or biological alteration of sediments into the sedimentary rock at relatively low temperature and pressure that can result in changes to the rock's original mineralogy and texture.

Chemical, physical, and biological alteration and breakdown caused mineralization of soil organic matter (SOC) and increased CO2 emission (van Gestel et al. 1991), which accounted for about 60% of total greenhouse impacts (Rastogi et al. 2002).

Sabik et al. [8] have shown that it is possible to preserve herbicides (e.g DEA, DIA, cyanazine, simazine and atrazine) and degradation products in large volumes of surface water, without physical, chemical or biological alteration of these compounds, by using GCB cartridges (large-particle-size Carbopack B 60-80 mesh).

This indicates a loss of epithelial differentiation in ccRCC because the top-rated biological alteration is a down-regulation of pathways that are related to normal renal epithelial function.

A fair correlation of the phenomenology of biological alterations in surfaces with the occurrence of different microorganisms has been reported [21].

Biological alterations caused by non-thermal induced effects have currently been under investigation and experimental results on long-term effects are often discordant.

The simple way to insure the integrity of collected samples would be to keep them refrigerated and analyze them within 24 h of collection before unwanted chemical, physical and biological alterations of the samples are observed.

Alzheimer's disease is currently thought to be a complex, multifactorial syndrome, unlikely to arise from a single causal factor; instead, a number of related biological alterations are thought to contribute to its pathogenesis.

A better understanding of the early biological alterations after primary RRD that may lead to postoperative PVR is therefore needed to develop new therapeutic strategies.