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Fourteen cadmium-tolerant strains were isolated from the Beijing coking plant soil which cadmium content exceeds the standard. The 16SrDNA sequence analysis showed that Pseudomonas aeruginosa take the percentage of 72% and is the dominant microorganisms. These strains were further used to study the adsorption efficiency to Cd2+ and Pb2+. Among these strains, two cadmium-tolerant strains labeled as...
This paper describes a simple and sensitive method for determining estrogen (E1), ??-estradiol (E2), estriol (E3), 17??-ethynylestradiol (EE2), diethylstilbestrol (DES), 4-tert-octyphenol (OP), 4-n-nonylphenol (NP), nonylphenol mono- to di-ethoxylates (NP1EO, NP2EO), bisphenol A (BPA) in water samples of Songhua River in China. The survey was preceded by selecting extraction methods, clean-up procedures...
The effects of ultra high-pressure (UHP) on the growth and its ability of beta-carotene biosynthesis of Rhodotorulaglutinis RG-8 were studied. After the treatments of 5 repeated cycles at 300 MPa for 15 min, the barotolerant mutant RG-8-9 was obtained from this strain. The survival ratio of the parent strain RG-8 was increased from 1.40times10-3% after the treatment of first cycle to 1.47times10-1...
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