| 单词 | polychlorinated biphenyl |
| 释义 | > as lemmaspolychlorinated biphenyl polychlorinated biphenyl n. any of a class of polychlorinated compounds derived from biphenyl, which have a wide variety of industrial applications and are persistent environmental pollutants; abbreviated PCB. ΘΚΠ the world > matter > chemistry > polymer chemistry > industrial polymers (named) > [noun] hexamethylenediamine1894 cellulose acetate1895 bakelite1909 phenol-formaldehyde1911 Paxolin1918 methylcellulose1921 Saran1940 polyester resin1946 polyester fibre1951 Mylar1952 polychlorinated biphenyl1959 the world > matter > chemistry > polymer chemistry > industrial polymers (named) > [adjective] polychlorinated1895 phenol-formaldehyde1911 polychlorinated biphenyl1959 1959 Industr. & Engin. Chem. (Internat. ed.) 51 1000/2 The experimental values..were obtained using polychlorinated biphenyl in the electrically heated and reference tubes. 1971 P. Gresswell Environment 201 Polychlorinated biphenyls were found in high concentration in birds which died in 1969 in the Irish Sea. 2002 M. Kurlansky Salt (2003) xviii. 302 Chlorine is a component of some of the deadliest industrial pollutants, including polychlorinated biphenyls. < as lemmas |
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