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791 results on '"Zheng, Mingming"'

2. Relationship between inflammatory factor levels with metabolism， verbal fluency and information processing function in hospitalized schizophrenia patients

Author

Wang Cong, Zhu Cuizhen, Zhang Xueying, Gao Hua, Pan Zhongde, Cheng Jian, Yang Deying, Zheng Mingming, and Zhang Xulai

Subjects
schizophrenia, inflammatory factor, metabolic level, verbal fluency, information processing function, Psychology, BF1-990, Psychiatry, RC435-571
Abstract

BackgroundSchizophrenic patients have metabolic disorders， impaired language and information processing function. Inflammatory factors may play an important role in the occurrence and development of schizophrenia.ObjectiveTo explore the relationship of the inflammatory factor levels with metabolic levels， language fluency and information processing function in patients with schizophrenia， so as to provide references for clinical understanding of the neuropathological mechanisms of schizophrenia.MethodsA total of 96 patients with schizophrenia were included in the study group， who were hospitalized in the Fourth People's Hospital of Hefei from January 2021 to December 2022 as well as met the diagnostic criteria of Diagnostic and Statistical Manual of Mental Disorders， fifth edition （DSM-5） and Mini-International Neuropsychiatric Interview （MINI） 6.0 .Meanwhile， population who underwent physical examination at the same hospital were included in the control group （n=42）. A high-sensitivity multi factor electrochemiluminescence analyzer was used to detect the levels of inflammatory factors IL-4， IL-5， IL-7， IL-8， IL-10 and IL-13. A fully automated biochemical analyzer was used to detect the levels of metabolic indicators such as fasting blood glucose， triglycerides， high-density lipoprotein， apolipoprotein A， creatinine and urea nitrogen. Verbal fluency and information processing function of all participants were assessed by using Verbal Fluency Test （VFT） and Stroop Color Word Test （SCWT）.ResultsThere were statistically significant differences in the levels of IL-4， IL-5， IL-7， IL-8， IL-10， IL-13 and IL-15 between the study group and the control group （P

Published
2024
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3. Objective Evaluation of VR Sickness and Analysis of Its Relationship with VR Presence

Author

Quan, Wei, Li, Linxuan, Han, Cheng, Zhang, Yuechen, Cai, Yongqing, Liang, Zhen, Zheng, Mingming, Wang, Rui, Goos, Gerhard, Series Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Huang, De-Shuang, editor, Zhang, Chuanlei, editor, and Guo, Jiayang, editor

Published
2024
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6. TMNIO:Triplet merged network with involution operators for improved few‐shot image classification

Author

Qi Lulu, Xu Ranhui, Zhao Shaojie, Zheng Mingming, and Yu Weiqin

Subjects
image classification, few‐shot learning, contrastive learning, prototypical networks, Photography, TR1-1050, Computer software, QA76.75-76.765
Abstract

Abstract Few‐shot learning enables machines to learn efficiently from limited labelled data. However, existing few‐shot learning methods may perform poorly when there is a lack of sufficient samples, and may encounter problems such as domain shift or overfitting when applied to new domains or tasks. To address the issues of poor fitting and insufficient generalization ability in new domains, a new method called triplet merged network with involution operators (TMNIO) is proposed. This method employs dual encoders that extract common and distinctive features from the prototype network, thereby enhancing the model's feature extraction capability. To further improve this ability, the traditional convolutional kernels are replaced with involution operators, which not only reduce the parameter count but also enlarge the receptive field to better extract local feature information. Additionally, this method employs a two‐stage training strategy, where triplet loss is used in the first stage to train the model and enhance its robustness and generalization ability. Extensive experiments on the miniImageNet, Omniglot, and Caltech‐UCSD Birds‐200 (CUB) datasets have shown that our proposed method achieved significant improvements in both training speed and accuracy, particularly on the miniImageNet dataset, where it achieved an outstanding 10% performance improvement.

Published
2024
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7. 抗坏血酸棕榈酸酯对植物油的抗氧化作用Antioxidative effect of L-ascorbyl palmitate on vegetable oil

Author

张羽飞，刘铁良，郑明明 ZHANG Yufei, LIU Tieliang, ZHENG Mingming

Subjects
抗坏血酸棕榈酸酯, 酶法；化学法；植物油；抗氧化；家庭储存, l-ascorbyl palmitate, enzymatic method, chemical method, vegetable oil, antioxidation, home storage, Oils, fats, and waxes, TP670-699
Abstract

旨在为酶法和化学法抗坏血酸棕榈酸酯(L-AP)在植物油中的应用提供参考，并为家庭储存植物油的方法提供建议，以酸值和过氧化值为指标，模拟家庭储存条件，分别考察低温（20 ℃）避光、常温（25 ℃）曝光、高温（60 ℃）避光，满瓶或半瓶等条件下两种L-AP对菜籽油的抗氧化效果，并与叔丁基对苯二酚（TBHQ）、维生素E（VE）和脂溶性茶多酚等抗氧化剂进行比较，采用Rancimat法测定添加不同抗氧化剂的菜籽油、大豆油、棕榈油和亚麻籽油的氧化诱导时间。结果表明:酶法L-AP和化学法L-AP对植物油的抗氧化作用相似，且抗氧化能力与脂溶性茶多酚相当，强于VE。植物油在低温（20 ℃）避光、满瓶条件下储存，其酸值、过氧化值随时间变化最小。综上，酶法L-AP和化学法L-AP均可有效延缓植物油氧化，推荐消费者优先选用添加有符合国标的抗氧化剂的小包装植物油产品，并储存于低温避光的环境中。In order to provide references for the application of enzymatic and chemical L-ascorbyl palmitate (L-AP) in edible vegetable oil and provide suggestions for the home storage of vegetable oil, with acid value and peroxide value as indexes, the antioxidant effects of L-AP on rapeseed oil stored under simulated home storage conditions of low temperature (20 ℃) and away from light, room temperature (25 ℃) exposure, and high temperature (60 ℃) and away from light, and full or half bottles were investigated, and was compared with TBHQ, VE, and fat-soluble tea polyphenols. The Rancimat method was used to identify the oxidation induction time of rapeseed oil, soybean oil, palm oil, and flaxseed oil added with various antioxidants. The results showed that both the antioxidant effects of the two L-AP on vegetable oil were similar, and was similar to that of fat-soluble tea polyphenols, stronger than VE. The acid value and peroxide value of vegetable oil had the smallest changes over time when it was stored at at low temperature (20 ℃), away from light and full bottle conditions. In conclusion, enzymatic and chemical L-AP can effectively inhibit the oxidation of vegetable oil. Meanwhile, it is suggested that consumers prioritize using small bottled vegetable oil products with antioxidants that meet national standards and store them in a low temperature and away from light environment.

Published
2024
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