Sentence examples for chemicals present from inspiring English sources
Well injectivity is complicated by chemicals present in injected waters.
But whether tiny amounts of chemicals present a health concern is unknown.
The sample is then analyzed by gas chromatography/mass spectrometry to identify the chemicals present.
Mr. Hardigg uses an ion chromatograph to identify the chemicals present in the samples.
Purines are a group of chemicals present in all body tissues and in many foods.
The mass spectrometer can identify the amount and type of chemicals present in samples.
Industrial chemicals present a serious long-term health problem for America.
Hydrazine is one of the hazardous chemicals present in tobacco and known to be human carcinogen.
Environmental activists note that many standards do not even address some of the chemicals present in fracking water.
Production facilities that store solar or wind energy in the form of chemicals present underused capacity.
Instruments on the machines then identify the amount and the characteristics of chemicals present in a blood sample, using a technique called mass spectrometry.
