Manned aerial vehicle-unmanned aerial vehicle(MAV-UAV)combat organization is a MAV-UAV combat collective formed from the perspective of organization design theory and methodology,and the generation of force formation ...Manned aerial vehicle-unmanned aerial vehicle(MAV-UAV)combat organization is a MAV-UAV combat collective formed from the perspective of organization design theory and methodology,and the generation of force formation plan is a key step in the organizational planning.Based on the description of the problem and the definition of organizational elements,the matching model of platform-target attack wave is constructed to minimize the redundancy of command and decision-making capability,resource capability and the number of platforms used.Based on the non-dominated sorting genetic algorithmⅢ(NSGA-Ⅲ)framework,which includes encoding/decoding method and constraint handling method,the generation model of organizational force formation plan is solved,and the effectiveness and superiority of the algorithm are verified by simulation experiments.展开更多
为探究汽爆豌豆蛋白肽Cr(Ⅲ)螯合物(steam-exploded pea protein peptides-chromium(Ⅲ)chelate,SEPPs-Cr(Ⅲ))的制备工艺及生物活性,以汽爆豌豆蛋白肽(steam-exploded pea protein peptides,SEPPs)作为原料与Cr(Ⅲ)进行螯合,以Cr(Ⅲ)...为探究汽爆豌豆蛋白肽Cr(Ⅲ)螯合物(steam-exploded pea protein peptides-chromium(Ⅲ)chelate,SEPPs-Cr(Ⅲ))的制备工艺及生物活性,以汽爆豌豆蛋白肽(steam-exploded pea protein peptides,SEPPs)作为原料与Cr(Ⅲ)进行螯合,以Cr(Ⅲ)螯合率为指标,通过单因素试验和响应面试验确定SEPPs-Cr(Ⅲ)的最佳制备条件,通过紫外-可见光谱、荧光光谱、傅里叶变换红外光谱、圆二色光谱、Zeta电位和粒径、扫描电子显微镜对螯合前后样品进行结构表征,并对其体外抗氧化活性和降糖活性进行评价。结果表明,SEPPs-Cr(Ⅲ)的最佳制备条件为肽溶液与Cr(Ⅲ)溶液体积比1∶3.7、pH 4.6、温度37.5℃、时间70 min,在此条件下螯合率达到(31.67±0.75)%。与SEPPs相比,SEPPs-Cr(Ⅲ)粒径增大,表面负电荷数量明显降低,β-折叠含量增加,无规卷曲含量减少,呈现出粗糙、折叠且致密的颗粒状聚集体外貌形态。此外,Cr(Ⅲ)主要与SEPPs肽链中的氨基、羰基和羧基结合,形成具有稳定结构的螯合物。体外生物活性结果表明,SEPPs-Cr(Ⅲ)对1,1-二苯基-2-三硝基苯肼自由基和羟自由基的半抑制浓度分别为5.14 mg/mL和4.6 mg/mL,显著低于SEPPs的11.6 mg/mL和8.79 mg/mL,对α-淀粉酶和α-葡萄糖苷酶半抑制浓度分别为0.39 mg/mL和0.59 mg/mL,显著低于SEPPs的3.14 mg/mL和9.18 mg/mL。此外,SEPPs-Cr(Ⅲ)的还原能力显著优于SEPPs。本研究结果可为开发有机补铬剂提供一定的理论依据。展开更多
基金supported by the Natural Science Foundation of Shaanxi Province(2023-JC-QN-0728)the China Postdoctoral Science Foundation(2021M693942)。
文摘Manned aerial vehicle-unmanned aerial vehicle(MAV-UAV)combat organization is a MAV-UAV combat collective formed from the perspective of organization design theory and methodology,and the generation of force formation plan is a key step in the organizational planning.Based on the description of the problem and the definition of organizational elements,the matching model of platform-target attack wave is constructed to minimize the redundancy of command and decision-making capability,resource capability and the number of platforms used.Based on the non-dominated sorting genetic algorithmⅢ(NSGA-Ⅲ)framework,which includes encoding/decoding method and constraint handling method,the generation model of organizational force formation plan is solved,and the effectiveness and superiority of the algorithm are verified by simulation experiments.
文摘为探究汽爆豌豆蛋白肽Cr(Ⅲ)螯合物(steam-exploded pea protein peptides-chromium(Ⅲ)chelate,SEPPs-Cr(Ⅲ))的制备工艺及生物活性,以汽爆豌豆蛋白肽(steam-exploded pea protein peptides,SEPPs)作为原料与Cr(Ⅲ)进行螯合,以Cr(Ⅲ)螯合率为指标,通过单因素试验和响应面试验确定SEPPs-Cr(Ⅲ)的最佳制备条件,通过紫外-可见光谱、荧光光谱、傅里叶变换红外光谱、圆二色光谱、Zeta电位和粒径、扫描电子显微镜对螯合前后样品进行结构表征,并对其体外抗氧化活性和降糖活性进行评价。结果表明,SEPPs-Cr(Ⅲ)的最佳制备条件为肽溶液与Cr(Ⅲ)溶液体积比1∶3.7、pH 4.6、温度37.5℃、时间70 min,在此条件下螯合率达到(31.67±0.75)%。与SEPPs相比,SEPPs-Cr(Ⅲ)粒径增大,表面负电荷数量明显降低,β-折叠含量增加,无规卷曲含量减少,呈现出粗糙、折叠且致密的颗粒状聚集体外貌形态。此外,Cr(Ⅲ)主要与SEPPs肽链中的氨基、羰基和羧基结合,形成具有稳定结构的螯合物。体外生物活性结果表明,SEPPs-Cr(Ⅲ)对1,1-二苯基-2-三硝基苯肼自由基和羟自由基的半抑制浓度分别为5.14 mg/mL和4.6 mg/mL,显著低于SEPPs的11.6 mg/mL和8.79 mg/mL,对α-淀粉酶和α-葡萄糖苷酶半抑制浓度分别为0.39 mg/mL和0.59 mg/mL,显著低于SEPPs的3.14 mg/mL和9.18 mg/mL。此外,SEPPs-Cr(Ⅲ)的还原能力显著优于SEPPs。本研究结果可为开发有机补铬剂提供一定的理论依据。
