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研究以豆渣为基料灵芝菌丝体液态培养及酒精发酵的条件,并将其应用在果汁复合饮料的研究中,以生产新型功能性保健发酵饮料。通过对PDA液态培养基和豆渣液态培养基的对比试验,确定出豆渣培养基更适合灵芝菌丝体的生长,优化的培养基配方为豆渣90g/L、葡萄糖20g/L、MgSO4 1.5g/L、KH2PO4 1.0g/L。在灵芝菌丝体酒精发酵试验中,通过正交试验确定最佳酒精发酵条件:酵母接种量0.2%、发酵温度30℃、发酵时间5d。在灵芝发酵饮料的调配试验中,通过正交试验确定饮料的配方,通过感官评定得到色泽、风味和组织形态最佳的产品。 相似文献
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Q235B钢材的微观断裂模型损伤系数识别 总被引:1,自引:0,他引:1
为获取广泛应用的Q235B钢材的循环空穴增长(CVGM)和退化有效塑性应变(DSPS)微观断裂模型损伤系数,取材自热轧无缝钢管与冷弯高频焊管母材、热影响区和焊缝区,分别加工12个光滑和8个缺口试件进行低周往复加载材性试验,获取4种材料混合强化参数,利用Fortran语言编译了CVGM模型及DSPS模型程序代码,作为UVARM子程序嵌入ABAQUS中,识别了其CVGM和DSPS损伤退化系数,用于缺口圆棒试件实验过程模拟,取得较好预测效果. 相似文献
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In this paper, we mainly study the preparation of an optical biosensor based on porous silicon (PSi) Bragg mirror and its feasibility for biological detection. The quantum dot (QD) labeled biotin was pipetted onto streptavidin functionalized PSi Bragg mirror samples, the affinity reaction between QD labeled biotin and streptavidin in PSi occurred, so the QDs were indirectly connected to the PSi. The fluorescence of QD enhanced the signal of biological reactions in PSi. The performance of the sensor is verified by detecting the fluorescence of the QD in PSi. Due to the fluorescence intensity of the QDs can be enhanced by PSi Bragg mirror, the sensitivity of the PSi optical biosensor will be improved. 相似文献
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