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The change of intake oxygen content caused by altitude variation and the change of fuel oxygen content both affect the performance of diesel engines. In this paper, comparative experiments were performed on a high pressure common rail diesel engine fueled with pure diesel and biodiesel–ethanol–diesel (abbreviated as BED) blends with oxygen content of 2%, 2.5%, and 3.2% in mass percentage at different...
According to the theory of “hydrophilic–lipophilic balance (HLB)” and the emulsification principle, the emulsification performance and stability of ethanol–diesel blends were studied with single and mixed emulsifiers and the effects of temperature on emulsification properties were analyzed. A novel mixed emulsifier, named “CLZ”, was developed based on biofuel and castor oil and the effects of the...
AflatoxinB1 was extracted from rice contaminated artificially with Aspergillus flavus by using methanol-water (50:50 v/v). As experiment group, sodium chloride were added into the extracted solution of AfB1, comparing with the extracted solution of AfB1, the excitation wavelength of 365 nm under the fluorescence mode were added to two group of solution of AfB1, and the emission spectrum peak at 440nm...
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