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热裂解炭黑在轮胎胎体胶中的应用研究

橡胶工业 2025年第3期72卷 185-190页

作者：龙飞飞郑涛姜杰李树强山东丰源轮胎制造股份有限公司山东枣庄277300 山东省科学技术情报研究院山东济南250101

研究热裂解炭黑(CBp)在轮胎胎体胶中的应用。结果表明:CBpNM360等量部分替代炭黑N660的混炼胶的门尼粘度最小和门尼焦烧时间t5最长,加工性能优越,炭黑在橡胶基体中分散性好,硫化胶在低温区域时的损耗因子(tanδ)最大和60℃时的tanδ最小... 详细信息

研究热裂解炭黑(CBp)在轮胎胎体胶中的应用。结果表明:CBpNM360等量部分替代炭黑N660的混炼胶的门尼粘度最小和门尼焦烧时间t5最长,加工性能优越,炭黑在橡胶基体中分散性好,硫化胶在低温区域时的损耗因子(tanδ)最大和60℃时的tanδ最小,CBpNM360适用于冬季轮胎,其四季轮胎的滚动阻力较小;CBpEN660等量部分替代炭黑N660的硫化胶的H抽出力较大和屈挠龟裂次数较多,CBpJ440/炭黑N660用量比为12.5/37.5的硫化胶0℃时的tanδ最大,抗湿滑性能最好。

关键词：热裂解炭黑硫化特性物理性能 Payne效应动态力学性能

Novel ultra-wideband fluorescence material:Defect state control based on nickel-doped semiconductor QDs embedded in inorganic glasses

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Journal of Materiomics 2023年第2期9卷 338-344页

作者： zheng Wang feifei Huang Muzhi Cai Xianghua Zhang Degang Deng Shiqing Xu Key Laboratory of Rare Earth Optoelectronic Materials and Devices of Zhejiang Province Institute of Optoelectronic Materials and DevicesChina Jiliang UniversityHangzhou310018China Laboratory of Glasses and Ceramics Institut des Sciences Chimiques de RennesUMR CNRS 6226University of Rennes 1Rennes35042France

In recent years,the development of an environmentally friendly quantum dots(QDs)embedded luminous solid by a simple method has attracted considerable *** this study,semiconductor ZnS QDs were successfully prepared in an inorganic matrix of amorphous glass,which yielded beneficial broadband emission in the long-wavelength region of the visible *** strong red emission belonged to the defect state energy level of the ZnS QDs,which could be enhanced by incorporation of nickel ions into the fixed matrix to regulate the defects *** novel material had a small self-absorption,wide excitation and emission ranges,and thus potential applications in light-conversion devices,luminescent solar concentrators,and solar cell cover glasses.

关键词： ZnS quantum dots glass Nickel-doping Defect states Broad-band emission

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鲫腹膜分布、组织学及光照对其影响研究

淡水渔业 2024年第4期54卷 32-38页

作者：毛天宇李明轩冯柯尧郑菲菲张亚倩孙艳红陈见祝东梅华中农业大学水产学院水产养殖国家级实验教学示范中心武汉430070 武汉市农业科学院武汉430345

腹膜在脊椎动物中普遍存在,由间皮细胞构成,通过结缔组织的支持作用形成的一层膜状组织,具有润滑、支持和保护等功能。鱼类有腹膜且分布有色素细胞,本研究选取常见经济鱼类鲫(Carassius auratus)为实验对象,采用组织学方法研究其腹膜分... 详细信息

腹膜在脊椎动物中普遍存在,由间皮细胞构成,通过结缔组织的支持作用形成的一层膜状组织,具有润滑、支持和保护等功能。鱼类有腹膜且分布有色素细胞,本研究选取常见经济鱼类鲫(Carassius auratus)为实验对象,采用组织学方法研究其腹膜分布及色素细胞形态特征,并探究光照条件对鲫腹膜色素细胞的影响。结果显示:(1)鲫腹膜呈黑色,腹腔腹壁内侧、心腹隔膜靠近腹腔一侧有明显分布,腹腔腹壁内侧黑色腹膜在腹腔上方延伸包裹性腺后相连覆于鳔下侧。(2)鲫腹膜黑色素细胞为黑色的树突状细胞。(3)鲫腹腔腹壁内侧腹膜的石蜡组织切片显示黑色素细胞连续分布形成黑色色素带,细胞核椭圆形、呈蓝紫色;扫描电镜下腹膜组织凹凸不平,由嵴组成多角形的网状结构;透射电镜下黑色素细胞有细胞核和黑素小体,黑素小体分为Ⅰ、Ⅱ、Ⅲ、Ⅳ四个时期。(4)不同光照影响鲫腹腔腹壁内侧腹膜黑色素细胞的形态,光照组黑色素细胞胞体变大、分支变粗,呈色变深;黑暗组黑色素细胞胞体变小、分支变细长。本研究为鱼类腹膜系统研究提供理论参考。

关键词：鲫(Carassius auratus) 腹膜黑色素细胞电镜光照

Trichosanthin enhances anti-tumor immune response in a murine Lewis lung cancer model by boosting the interaction between TSLC1 and CRTAM

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Cellular & Molecular Immunology 2011年第4期8卷 359-367页

作者： Yuchan Cai Shudao Xiong Yijie zheng feifei Luo Pei Jiang Yiwei Chu Department of Immunology Shanghai Medical CollegeKey Laboratory of Molecular Medicine of Ministry of EducationFudan UniversityShanghaiChina

Trichosanthin(TCS),extracted from the Chinese medicinal herb Trichosanthes kirilowi,has shown promise for the inhibition of tumor ***,its immunomodulatory effect on tumor–host interaction remains *** this study,we focused on the effect of TCS on murine anti-tumor immune response in the 3LL Lewis lung carcinoma tumor model and explored the possible molecular pathways *** addition to inhibiting cell proliferation and inducing apoptosis in the 3LL tumor,TCS retarded tumor growth and prolonged mouse survival more significantly in C57BL/6 immunocompetent mice than in nude *** reflected the fact that the host immune system was involved in tumor *** FACS analysis,we found that TCS increased the percentage of effector T cells,particularly Interferon-gamma(IFN-c)producing CD41 and CD81 T cells from tumor-bearing *** also promoted the vigorous proliferation of antigen-specific effector T cells,markedly increased Th1 cytokine secretion and elicited more memory T cells in tumor-bearing mice,consequently enhancing the anti-tumor response and inducing immune ***,we found that TCS upregulated the expression of tumor suppressor in lung cancer 1(TSLC1)in 3LL tumor cells and the expression of its ligand,class I-restricted T cell-associated molecule(CRTAM),in effector T *** TSLC1 expression with small interfering RNA(siRNA)significantly eliminated the effects of TCS on the proliferation and cytokine secretion of effector T cells,suggesting that TCS enhances anti-tumor immune response at least partially by boosting the interaction between TSLC1 and ***,our data demonstrate that TCS not only affects tumor cells directly,but also enhances anti-tumor immunity via the interaction between TSLC1 and *** findings may lead to the development of a novel approach for tumor regression.

关键词： anti-tumor immunity CRTAM immune protection trichosanthin TSLC1

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基于iOS系统的中草药学习App

信息技术与信息化 2021年第10期 50-52页

作者：林锋张华郑飞飞王惠霞宋双双杨建兰甘肃中医药大学信息工程学院甘肃兰州730000 泉州市正骨医院福建泉州362000

为解决iOS用户在中草药知识学习上渠道单一的问题,开发了基于iOS系统的中草药学习App。App使用了SwiftUI、Swift进行UI开发,Widget技术添加小组件,CoreData进行数据存储,且设计了数据统计模块,让用户更好地了解自己的学习进度。App支持... 详细信息

为解决iOS用户在中草药知识学习上渠道单一的问题,开发了基于iOS系统的中草药学习App。App使用了SwiftUI、Swift进行UI开发,Widget技术添加小组件,CoreData进行数据存储,且设计了数据统计模块,让用户更好地了解自己的学习进度。App支持多用户模式,使用者可以对本地化数据进行增删查改等操作,分享自己对于中草药的认知,提升学习的效率。iOS体验用户表示,App提高了碎片化时间的利用效率,加深了他们对中草药知识的了解。

关键词： iOS 中草药数据维护 Swift

Deep learning for predictive mechanical properties of hot-rolled strip in complex manufacturing systems

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International Journal of Minerals,Metallurgy and Materials 2023年第6期30卷 1093-1103页

作者： feifei Li Anrui He Yong Song zheng Wang Xiaoqing Xu Shiwei Zhang Yi Qiang Chao Liu National Engineering Research Center for Advanced Rolling and Intelligent Manufacturing University of Science and Technology BeijingBeijing 100083China China Academy of Machinery Science and Technology Beijing 100044China

Higher requirements for the accuracy of relevant models are put throughout the transformation and upgrade of the iron and steel sector to intelligent *** has been difficult to meet the needs of the field with the usual prediction model of mechanical properties of hotrolled *** data and difficult parameter adjustment limit deep learning models based on multi-layer networks in practical applications;besides,the limited discrete process parameters used make it impossible to effectively depict the actual strip processing *** order to solve these problems,this research proposed a new sampling approach for mechanical characteristics input data of hot-rolled strip based on the multi-grained cascade forest(gcForest)*** to the characteristics of complex process flow and abnormal sensitivity of process path and parameters to product quality in the hot-rolled strip production,a three-dimensional continuous time series process data sampling method based on time-temperature-deformation was *** basic information of strip steel(chemical composition and typical process parameters)is fused with the local process information collected by multi-grained scanning,so that the next link’s input has both local and global ***,in the multi-grained scanning structure,a sub sampling scheme with a variable window was designed,so that input data with different dimensions can get output characteristics of the same dimension after passing through the multi-grained scanning structure,allowing the cascade forest structure to be trained ***,actual production data of three steel grades was used to conduct the experimental *** results revealed that the gcForest-based mechanical property prediction model outperforms the competition in terms of comprehensive performance,ease of parameter adjustment,and ability to sustain high prediction accuracy with fewer samples.

关键词： hot-rolled strip prediction of mechanical properties deep learning multi-grained cascade forest time series feature extraction variable window subsampling

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医疗服务保障平台建设内容的研究

电子测试 2022年第4期36卷 52-54页

作者：王惠霞郑飞飞张华林锋宋双双杨建兰甘肃中医药大学信息工程学院甘肃兰州730000 福建省泉州市正骨医院福建泉州362000

针对当前医保领域基金总量不断增加,基金流转环节复杂和管理链条越来越长,医疗服务保障平台建设的背景、机遇、挑战。本文以尽快实现互联互通、统一监督、提升服务为目的,对医疗服务保障平台具体的建设内容进行研究。建设内容主要以搭... 详细信息

针对当前医保领域基金总量不断增加,基金流转环节复杂和管理链条越来越长,医疗服务保障平台建设的背景、机遇、挑战。本文以尽快实现互联互通、统一监督、提升服务为目的,对医疗服务保障平台具体的建设内容进行研究。建设内容主要以搭载医保介质为出发点,建设覆盖全市医保大数据采集、存储、治理、应用一体化平台。规划建设一个为市民、医院、药店及相关工作人员和政府监管部门提供应用服务和管理工具的服务性平台,积极引导市民做好健康管理,提升全民健康水平和显著提高医疗保障服务水平及人民生活幸福感。

关键词：泉州市医疗保障服务建设内容小程序

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面向某骨科医院随访系统研究

信息技术与信息化 2021年第11期 135-137页

作者：郑飞飞王惠霞林锋张华宋双双杨建兰甘肃中医药大学信息工程学院甘肃兰州730000 福建省泉州市正骨医院福建泉州362000

骨科患者的痊愈周期长、身体恢复状况不稳定,对于骨科患者来说诊后的随访工作必须到位。基于此,以骨科患者随访管理为研究背景,设计与开发了一款全院随访系统。根据需求分析设计出系统数据流图和顶层数据流图,对全院随访系统的框架和功... 详细信息

骨科患者的痊愈周期长、身体恢复状况不稳定,对于骨科患者来说诊后的随访工作必须到位。基于此,以骨科患者随访管理为研究背景,设计与开发了一款全院随访系统。根据需求分析设计出系统数据流图和顶层数据流图,对全院随访系统的框架和功能进行研究,设计出物理概念模型,通过患者的反馈信息进一步挖掘医院的不足之处和各科室所需完善的地方。通过随访系统的完善与使用,可以为患者提供一个良好的诊中、诊后全过程服务。

关键词：随访服务就诊过程随访系统

Identifying human-induced influence on microbial community:A comparative study in the effluent-receiving areas in Hangzhou Bay

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Frontiers of Environmental Science & Engineering 2019年第6期13卷 103-113页

作者： Yuhan zheng Zhiguo Su Tianjiao Dai feifei Li Bei Huang Qinglin Mu Chuanping Feng Donghui Wen School of Water Resource and Environmental Science China University of Geosciences(Beijing)Beijing 100083China College of Environmental Sciences and Engineering Peking UniversityBeijing 100871China Zhejiang Provincial Zhoushan Marine Ecological Environmental Monitoring Station Zhoushan 316021China

Microbial community structure is afiected by both natural processes and human *** coastal area,anthropegenetic activity can usually lead to the discharge of the effluent from wastewater treatment plant(WWTP)to sea,and thus the water quality chronically turns worse and marine ecosystem becomes *** play key roles in pollutants degradation and ecological restoration;however,there are few studies about how the WWTP effluent disposal influences coastal microbial *** this study,sediment samples were collected from two WWTP effluentreceiving areas(abbreviated as JX and SY)in Hangzhou ***,based on the high-throughput sequencing of 16S rRNA gene,microbial community structure was ***,several statistical analyses were conducted to reveal the microbial community characteristics in response to the effluent *** PCoA,the significant difference of in microbial community structure was determined between JX and SY;using RDA,water COD and temperature,and sediment available phosphate and ammonia nitrogen were identified as the key environmental factors for the community difference;using LDA effect size analysis,the most distinctive microbes were found and their correlations with environmental factors were investigated;and according to detrended beta-nearesttaxon-index,the sediment microbial communities were found to follow"niche theory".An interesting and important finding was that in SY that received more and toxic COD,many distinctive microbes were related to the groups that were capable of degrading toxic organic *** study provides a clear illustration of eco-environmental deterioration under the long-term human pressure from the view of microbial ecology.

关键词： Microbial community structure Effluent-receiving area High-throughput sequencing Costal sediments Wastewater treatment plant(WWTP)