Dear Editor,This letter presents a prescribed-instant stabilization approach to high-order integrator systems by the Lyapunov method. Under the presented controller, the settling time of controlled systems is independ...Dear Editor,This letter presents a prescribed-instant stabilization approach to high-order integrator systems by the Lyapunov method. Under the presented controller, the settling time of controlled systems is independent of the initial conditions and equals the prescribed time instant.展开更多
The purpose of this study was to characterize mulberry leaf instant tea(MLIT)powder prepared from the'Longsang No.1'(Morus abla L.cv.Longsang 1)mulberry leaves in Heilongjiang Province(China)and assess its obe...The purpose of this study was to characterize mulberry leaf instant tea(MLIT)powder prepared from the'Longsang No.1'(Morus abla L.cv.Longsang 1)mulberry leaves in Heilongjiang Province(China)and assess its obesity-preventing/relieving effects.A total of 174 compounds including quercetin,chlorogenic acid,1-deoxyecomycin(1-DNJ)related to antihyperlipidemia effects were identified from the MLIT powder.MLIT treatment reversed the Lee's index,fat coefficient,and serum biochemical parameters in both the obesity relieving and obesity preventing mice fed with high-fat diet.In the obesity relieving experiment,the relative abundance of Desulfovibrio in mouse feces decreased after both 0.5%and 1%MLIT treatments.In obesity preventing experiments,mouse with different amount of MLIT treatments showed increased relative abundance of Akkermansia,Bifidobacterium and Lactobacillus,while Deferribacteres,Desulfobacterota decreased.The beneficial bacteria in the intestinal tract of mice treated with MLIT increased.This study proved that MLIT had antihyperlipidemia potential via modulating intestinal microbiota in mice.展开更多
探究鹰嘴豆对非油炸方便面品质及消化特性的影响,为低血糖生成指数(glycemic index predictive value,GI)的非油炸方便面的研发提供理论基础。通过添加不同含量的鹰嘴豆粉,分析其对非油炸方便面的混粉揉混特性、水分分布、糊化度、微观...探究鹰嘴豆对非油炸方便面品质及消化特性的影响,为低血糖生成指数(glycemic index predictive value,GI)的非油炸方便面的研发提供理论基础。通过添加不同含量的鹰嘴豆粉,分析其对非油炸方便面的混粉揉混特性、水分分布、糊化度、微观结构、质构特性、蛋白质二级结构及消化特性的影响。结果表明:当鹰嘴豆粉添加量为0%~30%时,面团耐揉性变差,蛋白质二级结构中α-螺旋和β-折叠结构含量增加,对方便面的微观结构无显著影响;当添加量超过30%时,揉混参数上升,蛋白质二级结构中无序结构增多,微观结构遭到明显破坏;鹰嘴豆粉的加入总体上会降低面团的弛豫时间,提高面团的持水能力,但会降低方便面的糊化度,蒸煮特性和质构特性变差;鹰嘴豆粉的添加会显著降低方便面的消化速率和GI。当鹰嘴豆粉添加量低于30%时可改善方便面的营养和加工特性,同时降低方便面的GI。展开更多
目的 探讨InstantCHEKTM H .pylori法对十二指肠球部溃疡患者幽门螺杆菌感染诊断的临床意义。方法 应用InstantCHEKTM H .pylori法对 43例十二指肠球部溃疡患者进行血清幽门螺杆菌抗体检测 ,且与胃组织Giemsa染色检测幽门螺杆菌作...目的 探讨InstantCHEKTM H .pylori法对十二指肠球部溃疡患者幽门螺杆菌感染诊断的临床意义。方法 应用InstantCHEKTM H .pylori法对 43例十二指肠球部溃疡患者进行血清幽门螺杆菌抗体检测 ,且与胃组织Giemsa染色检测幽门螺杆菌作比较。结果 InstantCHEKTM H .pylori法检测阳性率为 81.40 % ,胃组织Giemsa染色检测阳性率为 72 .0 9% ,两者无明显差异。结论 InstantCHEKTM H .py lori法与胃组织Giemsa染色检测幽门螺杆菌阳性率基本相符 ,表明InstantCHEKTM H .展开更多
文摘Dear Editor,This letter presents a prescribed-instant stabilization approach to high-order integrator systems by the Lyapunov method. Under the presented controller, the settling time of controlled systems is independent of the initial conditions and equals the prescribed time instant.
基金supported by the Natural Science Foundation of Heilongjiang Province (LH2021C075)Key Laboratory of Functional Inorganic Material Chemistry (Heilongjiang University),Ministry of Education。
文摘The purpose of this study was to characterize mulberry leaf instant tea(MLIT)powder prepared from the'Longsang No.1'(Morus abla L.cv.Longsang 1)mulberry leaves in Heilongjiang Province(China)and assess its obesity-preventing/relieving effects.A total of 174 compounds including quercetin,chlorogenic acid,1-deoxyecomycin(1-DNJ)related to antihyperlipidemia effects were identified from the MLIT powder.MLIT treatment reversed the Lee's index,fat coefficient,and serum biochemical parameters in both the obesity relieving and obesity preventing mice fed with high-fat diet.In the obesity relieving experiment,the relative abundance of Desulfovibrio in mouse feces decreased after both 0.5%and 1%MLIT treatments.In obesity preventing experiments,mouse with different amount of MLIT treatments showed increased relative abundance of Akkermansia,Bifidobacterium and Lactobacillus,while Deferribacteres,Desulfobacterota decreased.The beneficial bacteria in the intestinal tract of mice treated with MLIT increased.This study proved that MLIT had antihyperlipidemia potential via modulating intestinal microbiota in mice.
文摘探究鹰嘴豆对非油炸方便面品质及消化特性的影响,为低血糖生成指数(glycemic index predictive value,GI)的非油炸方便面的研发提供理论基础。通过添加不同含量的鹰嘴豆粉,分析其对非油炸方便面的混粉揉混特性、水分分布、糊化度、微观结构、质构特性、蛋白质二级结构及消化特性的影响。结果表明:当鹰嘴豆粉添加量为0%~30%时,面团耐揉性变差,蛋白质二级结构中α-螺旋和β-折叠结构含量增加,对方便面的微观结构无显著影响;当添加量超过30%时,揉混参数上升,蛋白质二级结构中无序结构增多,微观结构遭到明显破坏;鹰嘴豆粉的加入总体上会降低面团的弛豫时间,提高面团的持水能力,但会降低方便面的糊化度,蒸煮特性和质构特性变差;鹰嘴豆粉的添加会显著降低方便面的消化速率和GI。当鹰嘴豆粉添加量低于30%时可改善方便面的营养和加工特性,同时降低方便面的GI。
