Sentence examples for chemicals that require from inspiring English sources
The safety board also concluded that a 10-year-old list of highly reactive chemicals that require careful handling has "significant gaps".
The relatively high number of farmers without formal training and knowledge in pesticide use is an important source of concern as pesticides are hazardous chemicals that require to be handled with caution.
The U. S. Environmental Protection Agency estimates that there are at least 10,000 chemicals that require testing to evaluate their potential threat to human and environmental health [1].
This is a general issue relevant to other classes of chemicals that require an environmental risk assessment.
Chemicals that require bioactivation are not included because almost no information is available on the influence of bioactivation on acute toxic effects in aquatic organisms.
Despite early concerns over the ability to map meaningful response traits in LCLs and questions about this model's relevance to toxicity studies of chemicals that require metabolism, our results suggest that large sample sizes on the order necessary for mapping human complex traits (Goldstein 2009)—can overcome challenges.
2-Ethyl-1-hexanol (2-EH) is a commercially important chemical that requires cost effective catalytic processes for synthesis.
Consequently, the U.S. Environmental Protection Agency has developed methods for carrying out quantitative dose-response assessment for chemical mixtures that require information only on the toxicity of single chemicals and of chemical pair interactions.
However, it is expensive as it requires large amounts of chemicals, a large piece of land and produces large quantities of chemical sludge that require skilled operators to deal with it (Gupta et al. 2010).
They are ideally suited for chemical processes that require high temperatures at near-atmospheric pressure.
Some have argued that the existing processes are too expensive, and that what's needed is basic research to find chemical reactions that require less energy, among other things.
