71.   OSHA wants to make employers do exposure assessments for workers who use hazardous chemicals, Martonik said.

72.   PASA now produces styrene, which is used to make polystyrene, the chemical used in plastic cups, telephones and other products.

73.   PCBs, or polychlorinated biphenyls, an industrial chemical used for decades as insulation in electric transformers, have been found to cause cancer in animals.

74.   Russia, in contrast, plans to use chemicals to dilute or neutralize its mustard and nerve agents.

75.   Rodney Sams, an agricultural consultant who specializes in pest management, says farmers are using fewer chemicals in one area because the bats are keeping bugs under control.

76.   Soon after, other fire department units arrived on the rain-soaked and mushy perimeter road and put out the fire using chemicals, he said.

77.   So are chemicals used by farmers and homeowners.

78.   Specialty chemicals are used in the manufacture of detergents, textiles, leather goods, and paper, among other products.

79.   Specialty chemicals are used to make detergents, textiles, leather goods or paper.

80.   That has alarmed many farmers, especially those like California strawberry growers and Florida tomato growers who use the chemical most extensively.

v. + chemical >>共 281
use 15.07%
contain 7.34%
release 3.55%
produce 3.47%
make 3.16%
find 2.84%
spray 2.68%
add 2.29%
carry 2.29%
mix 1.82%
use + n. >>共 1468
money 3.08%
force 2.34%
technology 1.42%
drug 1.21%
name 1.17%
computer 1.08%
fund 1.06%
proceeds 0.84%
information 0.74%
method 0.72%
chemical 0.21%
每页显示:    共 190