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For testing pressure of gas generator in safety airbag, a set of test device is built by North University of China. By this test device, the acceleration peak value and duration in collision instant can been controlled by changing lift height of inflator jar and elastic recoil object bearing on pedestal Pressure of gas generator in safety airbag can be tested. At the same time, adapter record the...
Studies about the variation of DNA methylation pattern under high temperature stress (37°C) contribute to a comprehensive understanding of the apparent regulation of biological functions. Based on the in vitro cultivation of genetically modified birch (Betula platyphylla Suk.) clones for high-temperature stress, the paper detected exogenous gene transcription level differences with RT-PCR. Methylation-sensitive...
In this paper, we took Elaeagnus angustifolia as material. The paper studied characteristics of seasonal and spatial variations of proanthocyanidins content. There was an apparent difference in proanthocyanidins content of the leave from May to October, the maximim content of proanthocyanidins in October was 34.36 mgldrg-1 DW, while proanthocyanidins content in July was only 17.16 mgldrg-1 DW. Content...
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