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为解决含甘油解猪油的食品在贮藏过程中易被氧化的问题，向甘油解猪油中加入二氢槲皮素，制备负载二氢槲皮素的甘油解猪油微乳液，通过体外模型测定该微乳液的还原力以及对DPPH、ABTS和羟自由基的清除能力，探讨含二氢槲皮素甘油解猪油微乳液的体外抗氧化性，同时通过体外模拟胃肠消化测定其消化性。结果表明：该微乳液具有一定的还原力及DPPH、ABTS、羟自由基的清除能力，且还原力及自由基清除能力均随着二氢槲皮素负载量的增加而升高，相关性显著；该微乳液经胃消化2 h后二氢槲皮素的保留率为79.25%，说明该微乳液能有效保护二氢槲皮素实现靶向性肠道输送，在肠道消化2 h后，微乳液的游离脂肪酸释放率达到73.85%，二氢槲皮素生物利用率达33.3%。综上，负载二氢槲皮素的甘油解猪油微乳液在食品工业中有较大的应用潜力。In order to solve the problem of the food containing glycerolized lard easy to be oxidized, dihydroquercetin was added to glycerolized lard to prepare glycerolized lard microemulsion.The in vitro model was used to determine the reducing power of the microemulsions and scavenging ability on DPPH, ABTS and hydroxyl radicals so as to investigate the in vitro antioxidant properties of the glycerolized lard microemulsions, the digestibility of the microemulsions was also determined by simulating gastrointestinal digestion in vitro. The results showed that the microemulsions had certain reducing power and scavenging ability on DPPH, ABTS and hydroxyl radicals, and the reducing power and scavenging ability of free radicals increased with the increase of dihydroquercetin loading amount, and the correlation was significant.In vitro digestion study revealed that the retention rate of dihydroquercetin was 79.25% after 2 h of gastric digestion, which indicated that the microemulsion could effectively protect dihydroquercetin against gastric digestion, and targetedly delivered to the small intestine. After 2 h of intestinal digestion, the free fatty acid release rate of microemulsion was 73.85% and the bioavailability of dihydroquercetin reached 33.3%. Therefore, glycerolized lard microemulsion loaded with dihydroquercetin could have huge application potential in food industry.

针对在大容量无线AC（接入控制器）系统中网络管理系统接收AP（接入点）无线扫描信息的拥塞问题,提出了一种新的AP无线扫描信息处理机制。该机制通过构造OMC（操作维护中心）中间子系统,隔离数据处理过程,来提高系统资源利用率。试验结果证明,该机制提高了WLAN（无线局域网）网管系统的性能,特别是在挂载多AP的环境下网管性能提升明显。

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The new era is characterized by knowledge production diversity, interdisciplinary and collaborative innovation. Engineering universities urgently need to update their scientific talent cultivation mechanisms to stay aligned with these evolving demands. Over the past twenty years, the Department of Materials Chemistry at Harbin Institute of Technology has responded to the major strategic needs of national aerospace. It has developed a unique “Big Chemistry” approach to science education, characterized by its aerospace and defense focus and a “Trinity and Multidimensional Integration” model that combines multiple disciplines. This paper provides a systematic exploration and implementation of this model, detailing the formation process, conceptual framework, construction of a molecular knowledge system, and the cultivation of cross-disciplinary practical skills through “Triple mentorship and Triple Practice”. [ABSTRACT FROM AUTHOR]

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Objective To investigate the effects of colostrum oral immunotherapy combined with oral massage stimulation on oral motor function and growth and development in premature infants. Methods A total of 98 premature infants admitted to the neonatal intensive care unit from September 2021 to October 2022 were selected and divided into the observation group and the control group according to the envelope method, with 49 cases in each group. The control group received oral stimulation intervention, while the observation group received colostrum oral immunotherapy combined with oral massage stimulation. The oral motor function, development and complications of premature infants in the two groups were compared. Results After intervention, the oral motor function improved in both groups of preterm infants compared to the post-intervention period, and the normal sucking pattern in the observation group was higher than that in the control group, whereas the impaired sucking pattern and disordered sucking pattern were lower than those in the control group, the differences were statistically significant (P <0. 05). After intervention, the development of premature infants in the two groups was improved compared with that before intervention, and the weight, head circumference and height of premature infants in the observation group were higher than those in the control group, the differences were statistically significant(P <0. 05). The total incidence of complications in the observation group [4. 08%(2/49)] was significantly lower than that in the control group [24. 49%(12/49)], and the difference was statistically significant (P <0. 05). Conclusion The implementation of colostrum oral immunotherapy combined with oral massage stimulation can effectively improve the sucking behavior of premature infants, improve their oral motor function, and promote development. [ABSTRACT FROM AUTHOR]

Copyright of Food Research & Development is the property of Food Research & Development Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective To explore the association between lifestyle behaviors and depressive symptoms of middle school students in rural area of Miao nationality in Pingbian, Yunnan Province, and to provide a data reference for changing unhealthy lifestyle behaviors for improving depressive symptoms in adolescents. Methods A total of 819 middle school students from 2 middle schools were randomly selected. A face-to-face questionnaire survey was conducted to collect data on the lifestyle and behavior of middle school students. Depressive symptoms were assessed using the Depression Anxiety Stress Scale (DASS-21), and the association between lifestyle and depressive symptoms was analyzed using a generalized linear model. Results The detection rate of depressive symptoms in middle school students was 33.21%, and the detection rate of depression symptoms in girls was higher than that in boys (39.20% vs 26.72%), the difference was statistically significant (P < 0.05).Learn daily screen time (β= 0.283, 95%CI = 0.114 - 0.452), outdoor time during the day (β= -0.292, 95%CI = -0.512 - - 0.071), breakfast behavior (β= -0.263, 95%CI = -0.455 - -0.071), fresh food consumption (β= -0.291, 95%CI = -0.529 - -0.053), snack consumption (β= 0.294, 95%CI = 0.019 - 0.569) were associated with depressive symptoms in middle school students (all P < 0.05).Learn daily screen time (β= 0.297, 95%CI = 0.074 - 0.520), Learn daily screen time (β= -0.369, 95%CI = -0.673 - -0.065), breakfast behavior (β= -0.288, 95%CI = -0.567 - -0.010), fresh food consumption (β= -0.423, 95%CI = -0.735 - -0.110) were associated with depressive symptoms in boys (all P < 0.05).Learn daily screen time (β= 0.306, 95%CI = 0.056 - 0.557), smoking (β= 0.679, 95%CI = 0.044 - 1.314), breakfast behavior (β= -0.304, 95%CI = -0.576 - -0.031), western fast food consumption (β= -1.278, 95%CI = -2.425 - -0.131) were associated with depressive symptoms in girls (all P < 0.05).Conclusion The study suggests that the prevalence of depressive symptoms is high among middle school students in rural area of Miao nationality in Pingbian, and it is related to unhealthy lifestyle behaviors. Changing unhealthy lifestyle behaviors may be an effective way to improve middle school students in the area. [ABSTRACT FROM AUTHOR]

Objective The gas flow during the exploitation of sour gas fields often contains sour components such as carbon dioxide (CO2 ) and hydrogen sulfide (H2S), which are easy to form natural gas hydrates (hydrate for short) and cause pipeline blockages. The aim is to solve the problem of unclear mechanisms of sour component absorbers on hydrates, which could provide a theoretical for removing sour gas components and preventing hydrate formation. Methods In this paper, the isothermal and isochoric methods investigated the effects of the mass fraction, stirring state, and initial pressure of N-methyldiethanolamine (MDEA) solution on the absorption law of CO2 . The effects of MDEA solution on the growth rate and macroscopic morphology of CO2 hydrate were also studied and compared to the conventional thermodynamic inhibitor ethylene glycol (EG). Results The study indicated that the absorption rate of CO2 showed a trend of increasing and then decreasing with the increase of the mass fraction of the MDEA solution. The stirring state and lower initial pressure could accelerate the absorption rate of CO2 and increase the amount of gas absorption. At the gas-liquid interface, hydrate crystals grew in a two-dimensional mode, and MDEA could change the macroscopic morphology of CO2 hydrates. Increasing the mass fraction of MDEA solution could significantly increase the time for CO2 hydrates to cover the surface of the solution and reduce the growth rate of CO2 hydrates. In contrast to the EG, the kinetic inhibition of MDEA hydrates was poorer, but the cover time of the hydrates film was longer, and the growth rate was slower. Conclusions It is analyzed that MDEA could form hydrogen bonds with water molecules in the solution and compete with hydrates for water molecules, reducing water activity. It could also combine with CO2, and compete with hydrates, significantly decreasing the growth rate of hydrate. The research results have theoretical significance for the guidance of the separation and capture of sour gases and natural gas transportation. [ABSTRACT FROM AUTHOR]

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Copyright of Journal of Materials Engineering / Cailiao Gongcheng is the property of Journal of Materials Engineering Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Food Research & Development is the property of Food Research & Development Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective To investigate the effect of picroside II on dexamethasone (DEX)-induced osteoblast apoptosis by regulating the receptor-interacting protein (RIP) 1/RIP3/mixed lineage kinase domain-like (MLKL) signal. Methods HFOB 1.19 cells were cultured in vitro and randomly grouped into control group, DEX group, DEX+picroside II group, DEX+RIP1 overexpression group, DEX+empty plasmid group, and DEX+picroside II+RIP1 overexpression group. After grouping treatment, cell viability rate, apoptosis rate, the relative level of reactive oxygen species (ROS), the releases of lactate dehydrogenase (LDH), interleukin (IL)-1β, tumor necrosis factor-α (TNF-α), IL-6, the relative expressions of BCL-2 and BAX, the expressions of RIP1/RIP3/MLKL signal proteins were detected in cells of each group. Results Compared to those in the control group, the cell viability and the relative expression of BCL-2 in DEX group decreased (P<0.05), the apoptosis rate, ROS relative level, LDH and IL-1β, TNF-α, IL-6 releases, and the relative expressions of BAX and RIP1, RIP3, MLKL proteins increased (P<0.05). Compared to those in DEX group, the cell viability and the relative expression of BCL-2 in DEX+picroside II group increased (P<0.05), the apoptosis rate, ROS relative level, LDH and IL-1β, TNF-α, IL-6 releases, and the relative expressions of BAX and RIP1, RIP3, MLKL proteins decreased (P<0.05). The cell viability and the relative expression of BCL-2 in the DEX+RIP1 overexpression group decreased (P<0.05), the apoptosis rate, ROS relative level, LDH and IL-1β, TNF-α, IL-6 releases, and the relative expressions of BAX and RIP1, RIP3, MLKL proteins increased (P<0.05). There was no obvious difference in cell indexes in DEX+empty plasmid group (P>0.05). Overexpression of RIP1 weakened the effect of picroside II on DEX induced hFOB 1.19 cells. Conclusion Picroside II reduces inflammation by down-regulating RIP1/RIP3/MLKL pathway, thus inhibiting the apoptosis of osteoblasts induced by DEX. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Fuzhou University is the property of Journal of Fuzhou University, Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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With the characteristics of resistance and easy storage, lactic acid bacteria, as a kind of live bacterial preparation, can increase the nutrients in livestock and poultry feeds, improve the feed quality, and thus improve the performance of livestock and poultry production, which has a broad research and application prospect. This article focuses on the types of lactic acid bacteria, the mechanism of action, the influence of the factor and its application in livestock and poultry production for the review, for the study of lactic acid bacteria fermentation feed and its application in theprocess of livestock and poultry breeding to provide some theoretical and practical reference. [ABSTRACT FROM AUTHOR]

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炎症性肠病（inflammatory bowel disease， IBD）是一类与肠道微生物群紊乱及免疫失调密切关联的慢性复 发性炎症性肠道疾病。 唾液中一些口腔微生物菌群可抵御胃酸、胆汁酸和肠液的作用，通过口-肠微生物轴最终异 位定植于肠道中，破坏肠上皮屏障、诱导肠道免疫失衡及菌群失调，促进IBD的发生发展。具核梭杆菌及牙龈卟啉 单胞菌定植肠道后，上调及激活炎症相关信号通路，诱导促炎细胞因子分泌；具核梭杆菌通过分泌FadA粘附素参与 细菌和上皮细胞的结合与入侵，牙龈卟啉单胞菌分泌的牙龈卟啉单胞菌肽基腺嘌呤脱氨酶及牙龈蛋白酶等毒力因 子蛋白酶分离并降解紧密连接蛋白，增加肠道屏障的通透性，加重肠道炎症反应，促进IBD的发生发展。克雷伯杆 菌可激活结肠单核吞噬细胞中的炎症小体，诱导肠道炎症反应，促进IBD的发生发展。弯曲杆菌毒力因子Zot，破坏 肠上皮细胞间的紧密连接，诱导肠上皮细胞凋亡及巨噬细胞产生促炎细胞因子；和 IBD 严重程度相关的 pSma1质 粒、分泌型肠毒素B同源物Csep1，与IBD的发生发展关系密切。白色念珠菌可破坏肠道屏障的通透性，促进肠道细 菌的生长，导致肠道菌群失调，促进IBD的发生发展。链球菌通过血源感染诱导免疫细胞因子表达水平，加重肠道 炎症反应，促进IBD的发生发展。 [ABSTRACT FROM AUTHOR]

Copyright of Journal of Anhui Agricultural Sciences is the property of Journal of Anhui Agricultural Sciences Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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The most prevalent kind of renal calculi, calcium oxalate（ CaOx）, is characterized by its propensity for recurrence in the urinary system. The development of CaOx renal calculi is greatly affected by macrophage polarization. Particular oxalate causes an imbalance in macrophage polarization, which skews the M1/M2 ratio and makes it easier for CaOx crystals to accumulate in the kidneys and grow into calcium plaques in the renal papilla. Notably, M2 macrophages can prevent CaOx renal calculi by consuming crystals and reducing inflammatory stress. As a result, immunotherapeutic techniques that alter M1 and M2 macrophage polarization are extremely promising for preventing CaOx renal calculi. To clarify the respective roles of M1 and M2 macrophages in the formation of CaOx crystals and provide insights for developing immunotherapeutic interventions against CaOx renal calculi, this review summarizes the mechanisms underlying macrophage polarization in the genesis of CaOx renal calculi. [ABSTRACT FROM AUTHOR]