Sentence examples for chemicals adding from inspiring English sources

As a chemist, I learned to use the two-pan balance to weigh small quantities of chemicals, adding small weights, so tiny that a fingerprint would give an erroneous result, until the needle stopped in the center of its swing.

"It used to be that the chemicals added to concrete were soaps or sugars — very simple," Mr. Shilstone said.

The common ingredients in these products are phthalates, a class of chemicals added to PVC to make plastic flexible.

Thousands of people, including schoolchildren, have been evacuated from Porter Ranch to escape the rotten egg smell of the chemicals added to the gas.

The chemicals added to the lumber, often chromated copper arsenate, or C.C.A., help it withstand the effects of insects and fungi far longer than untreated wood.

There were also concerns about the potential health effects of benzene, a known carcinogen, and the foul-smelling chemicals added to the gas to aid leak detection.

Chemicals added to the water dissolve minerals, kill bacteria that might plug up the well, and insert sand to prop open the fractures.

Better water quality is now being achieved with fewer chemicals added to the finished water.

The quantity of chemicals added for each treatment batches are also shown in Table 1.

Many of the chemicals added to gasoline to increase engine performance have polar or surfactant characteristics.

Chemicals added to the permeate must be carefully chosen if one pass only is used for reverse osmosis.