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电子技术（上海） 2024年第6期53卷 340-341页

作者：张建杜文加山能能源西北矿业大恒煤业山西036800

阐述智能化自动调试系统在煤矿机械电气设备中的应用,包括调试流程优化、故障诊断和排除,数据分析和监控。通过指标选择和实证分析,评估该系统在煤矿环境下的应用效果,并提供相关案例。

关键词：智能技术自动化系统调试系统

X射线荧光光谱仪在农田土壤铅镉元素含量检测中的应用

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塑料助剂 2024年第3期 14-18,33页

作者：张云平杜文佳李荣武梧州市食品药品检验所广西梧州543000

由于以往的农田土壤铅镉元素含量检测方法仅计算了单一的光谱数据特征,导致检测效果不佳。因此,本文对X射线荧光光谱仪在农田土壤铅镉元素含量检测中的应用展开了研究。先利用X射线荧光光谱仪获取相应的土壤样品光谱数据,并对该光谱数... 详细信息

由于以往的农田土壤铅镉元素含量检测方法仅计算了单一的光谱数据特征,导致检测效果不佳。因此,本文对X射线荧光光谱仪在农田土壤铅镉元素含量检测中的应用展开了研究。先利用X射线荧光光谱仪获取相应的土壤样品光谱数据,并对该光谱数据进行小波处理和校正处理,然后提取多个光谱数据特征,并对其进行投影,最后计算对应的权重值,完成对光谱数据特征分量的分析,通过计算铅镉元素的吸光度,实现对铅镉元素含量的计算。通过上述的设计,完成对农田土壤铅镉元素含量检测方法的设计。在实验测试中,和以往的农田土壤铅镉元素含量检测方法相比,设计的农田土壤铅镉元素含量检测方法得出结果在实际应用中拟合程度较高,检测效果较好。

关键词： X射线荧光光谱仪农田土壤铅镉含量检测检测方法方法设计

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煤矿应急广播与调度通信系统融合改造的应用

煤炭科技 2024年第4期45卷 121-125页

作者：郭玉龙李荣孝杜文加刘鼎山西朔州平鲁区龙矿大恒煤业有限公司机电环保部山西朔州036800 陕西正通煤业有限责任公司信息中心陕西长武713600 西安科技大学通信与信息工程学院陕西西安710054

煤矿作为能源产业的核心,其生产安全一直是备受关注的焦点。面对矿井事故可能带来的严重后果,现有的煤矿通信系统面临着不足以应对复杂紧急情况的问题。因此,对应急广播与调度通信系统进行融合改造,以提升通信联络和应急救灾能力,具有... 详细信息

煤矿作为能源产业的核心,其生产安全一直是备受关注的焦点。面对矿井事故可能带来的严重后果,现有的煤矿通信系统面临着不足以应对复杂紧急情况的问题。因此,对应急广播与调度通信系统进行融合改造,以提升通信联络和应急救灾能力,具有迫切的实际需求。研究通过KT113应急救援信息传输网络,对煤矿应急广播与调度通信系统进行融合改造,引入双向可视对讲和一键紧急呼叫等创新功能,优化井上下控制终端,并实现与其他安全监控系统的高度集成。实际应用表明,改造后的系统显著提高了通信效率,加强了紧急响应能力,为煤矿安全管理提供了有力技术支持。

关键词：煤矿安全应急广播调度通信系统融合 KT113网络

Facile synthesis of zinc-based organic framework for aqueous Hg (Ⅱ) removal: Adsorption performance and mechanism

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Nano Materials Science 2021年第4期3卷 429-439页

作者： Biao Zeng Wei Wang Sijin He Guo Lin wenjia du Jun Chang Zhao Ding The State Key Laboratory of Refractories and Metallurgy Wuhan University of Science and TechnologyWuhan430081PR China Key Laboratory for Ferrous Mtallurgy and Resources Utilization of Ministry of Education Wuhan University of Science and TechnologyWuhan430081PR China China E-port Data Center Division of Chengdu Chengdu610041PR China Electrochemical Innovation Lab Department of Chemical EngineeringUniversity College London(UCL)LondonWC1E 68TUK College of Material and Chemical Engineering Tongren University Tongren554300GuizhouPR China Department of Mechanical Materials and Aerospace Engineering Illinois Institute of TechnologyChicagoIL60616 USA

Mercury(Hg)ions can lead to a serious impact on the environment;therefore,it was necessary to find an effective method for absorbing these toxic Hg ***,the adsorbent(Zn-AHMT)was synthesized from zinc nitrate and 4-amino 3-hydrazine-5 mercapto-1,2,4-triazole(AHMT)by one-step method and,characterized the microstruc-ture and absorption performance by fourier transform infrared spectroscopy(FTIR),field emission scanning electron microscopy(FESEM),X-ray diffraction(XRD),Brunauer-Emmett Teller(BET),Thermal Gravimetric Analyzer(TGA)and X-ray photoelectron spectroscopy(XPS).Through a plethora of measurements,we found that the maximum adsorption capacity was 802.8 mg/g when the optimal pH of Zn-AHMT was *** isothermal and kinetic experiments confirm that the reaction process of Zn-AHMT was chemisorption,while the adsorption process conforms to the Hill model and pseudo second order kinetic *** experiments showed that the adsorption process was spontaneous and *** experiments were performed in the simulated wastewater containing Mn,Mg,Cr,Al,Co,Ni,Hg *** results showed that the Zn-AHMT has a stronger affinity for Hg *** removal rate of Zn-AHMT remained above 98%,indicating that the Zn-AHMT had a good stability validated by three adsorption-desorption repeatable *** to the XPS results,the adsorption reaction of Zn-AHMT was mainly attributed to the chelation and ion *** was further explained by both density functional theory(DFT)calculation and frontier molecular orbital *** therefore propose the adsorption mechanism of *** adsorption reaction facilitates via the synergistic action of S and N ***,the bonding between the adsorbent and the N atom has been proved to be more *** study demonstrated that Zn-AHMT had a promising application prospect in mercury removal.

关键词： Metal-organic frameworks(MOFs) Hg(Ⅱ) Selectivity Adsorption mechanism

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碳酸钙填充的含铅PVC材料中灰分的测定

聚氯乙烯 2024年第7期52卷 25-29,36页

作者：杜文佳林纬文陈小函肖照华扈廷勇梧州市食品药品检验所广西梧州543002 广西五一管业股份有限公司广西梧州543000 梧州市产品质量检验所广西梧州543002

对比分析采用GB/T 9345.5-2010《塑料灰分的测定第5部分:聚氯乙烯》中方法A和方法C测定碳酸钙填充含铅PVC材料灰分结果的差异,指出碳酸钙填充含铅PVC材料按方法B和方法C测定灰分过程中,碳酸钙转化为硫酸钙导致灰分测定结果偏高,从技术... 详细信息

对比分析采用GB/T 9345.5-2010《塑料灰分的测定第5部分:聚氯乙烯》中方法A和方法C测定碳酸钙填充含铅PVC材料灰分结果的差异,指出碳酸钙填充含铅PVC材料按方法B和方法C测定灰分过程中,碳酸钙转化为硫酸钙导致灰分测定结果偏高,从技术与标准化方面进行了讨论并提出了标准的应用建议。

关键词： PVC 国家标准碳酸钙硬脂酸铅灰分硫酸铅硫酸钙

Study on Transmission Planning of Cascade Hydropower Stations along Lancang River Basin

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Electricity 2012年第1期23卷 26-31页

作者： Cui wenjia du Zhongming Dai Jianfeng China Power Engineering Consulting Group Corporation

Most of the hydropower projects in Southwest China and the adjacent foreign regions will be put into operation between 2015 and 2020, which will bring some difficulties for reasonable accommodation and delivery of electric energy. In this paper the author studies the development scale, development schedule, accommodation and transmission schemes of the cascade hydropower stations along the Lancang River basin, one of the five large basins in China, based on the load characteristics of grids at both the sending end and the receiving end, the strategy of complementary utilization of thermal power and hydropower, the advanced transmission technologies, and the optimal economic performance. The study results show that, the cascade hydropower stations on the upper reaches of the Lancang River in Yunnan should mainly serve Guangdong Province, with proper planning of partly serving Yunnan Province during dry seasons. The transmission schemes should adopt UHVDC, UHVAC, and single-tower double-circuited HVDC transmission scheme according to the transmission capacity and distance.

关键词： hydropower station transmission scheme electric energy accommodation

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复合式秸秆粉碎机的设计与研究

现代制造技术与装备 2024年第2期60卷 30-32页

作者：闫圣林邱凤云杜文佳王迟梅郭昊让王天赐佳木斯大学机械工程学院佳木斯154007

秸秆粉碎是秸秆利用过程中至关重要的一环,其粉碎质量会影响后期的燃料化。为更好地利用秸秆资源,提高粉碎效率及质量,解决秸秆粉碎机传统粉碎装置出现的粉碎效率低、粉碎物料适用性差、使用寿命低等问题,设计一款复合式秸秆粉碎机。文... 详细信息

秸秆粉碎是秸秆利用过程中至关重要的一环,其粉碎质量会影响后期的燃料化。为更好地利用秸秆资源,提高粉碎效率及质量,解决秸秆粉碎机传统粉碎装置出现的粉碎效率低、粉碎物料适用性差、使用寿命低等问题,设计一款复合式秸秆粉碎机。文章介绍了机器的整体结构设计方案和关键装置的结构,并对喂料辊进行结构优化,以适应用户对秸秆粉碎的需求。设计的复合式秸秆粉碎机能够减轻劳动强度,提高粉碎效率,降低生产成本,大幅提高了秸秆利用率。

关键词：秸秆粉碎机复合式燃料化

SNR-adaptive deep joint source-channel coding scheme for image semantic transmission with convolutional block attention module

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The Journal of China Universities of Posts and Telecommunications 2024年第1期31卷 1-11页

作者： Yang Yujia Liu Yiming Zhang wenjia Zhang Zhi State Key Laboratory of Networking and Switch Technology Beijing University of Posts and TelecommunicationsBeijing 100876China

With the development of deep learning(DL),joint source-channel coding(JSCC)solutions for end-to-end transmission have gained a lot of *** deep JSCC schemes support dynamically adjusting the rate according to different channel conditions during transmission,enhancing robustness in dynamic wireless ***,most of the existing adaptive JSCC schemes only consider different channel conditions,ignoring the different feature importance in the image processing and *** uniform compression of different features in the image may result in the compromise of critical image details,particularly in low signal-to-noise ratio(SNR)*** address the above issues,in this paper,a dual attention mechanism is introduced and an SNR-adaptive deep JSCC mechanism with a convolutional block attention module(CBAM)is proposed,in which matrix operations are applied to features in spatial and channel dimensions *** proposed solution concatenates the pooling feature with the SNR level and passes it sequentially through the channel attention network and spatial attention network to obtain the importance evaluation *** show that the proposed solution outperforms other baseline schemes in terms of peak SNR(PSNR)and structural similarity(SSIM),particularly in low SNR scenarios or when dealing with complex image content.

关键词： semantic communication joint source-channel coding image transmission

Heat stress induced hepatocyte apoptosis in largemouth bass Micropterus salmoides via IRE1α/TRAF2/ASK1/JNK pathway

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Journal of Oceanology and Limnology 2024年第3期42卷 988-1000页

作者： Xuqian ZHAO wenjia MAO Zijie LIN Qufei LING School of Biology and Basic Medical Sciences Suzhou Medical College of Soochow UniversitySuzhou 215000China

Heat stress(HS)has been shown to adversely affect fish livers and can lead to extensive *** investigate the relationship between endoplasmic reticulum(ER)stress and HS-induced apoptosis in fish livers,we isolated and cultured primary hepatocytes of largemouth bass,Micropterus salmoides by trypsin method,then established an in-vitro model of liver cells under HS(35℃).The contents of lactic dehydrogenase(LDH)and hydrogen peroxide(H2O2)were determined to evaluate the effects of HS on hepatocyte injury and oxidative ***-qPCR was performed to discover the key genes in unfolded protein response(UPR)pathways involved at different HS *** inhibitor 4-PBA and IRE1αinhibitor 4μ8C were used to further investigate the effects of HS on IRE1αapoptosis pathway in *** show that HS led to significant increases in the release of LDH,the content of H2O2,and the expressions of oxidative protein folding genes(ero1αand pdi)under HS,suggesting severe hepatocyte injury and oxidative stress happened in heat-stressed largemouth bass *** continuous activation of IRE1αpathway genes(grp78,grp94,atf6,perk,eif2a,atf4,chop,ire1α,traf2,ask1,jnk1,and jnk2)indicated that HS led significantly to ER *** particular,the mRNA expression levels of ER stress-related genes(grp78,grp94,atf6,perk,ire1α,chop,jnk1,and jnk2)in the high temperature(HT)+4-PBA group and the HT+4μ8C group were significantly down-regulated under *** 4μ8C treatment,the expression levels of apoptosis-related genes(caspase-2,caspase-3,caspase-6,caspase-7,caspase-8,caspase-9,and caspase-10)and LDH content were significantly decreased,whereas the cell survival rate was significantly increased when given 4-PBA or 4μ8C *** findings demonstrate that HS could induce liver apoptosis of largemouth bass through the IRE1αpathway,which may act as a key switch mediating liver apoptosis of largemouth bass under HS.

关键词： heat stress Micropterus salmoides endoplasmic reticulum stress apoptosis oxidative stress

Thin polymer electrolyte with MXene functional layer for uniform Li^(+) deposition in all-solid-state lithium battery

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Green Energy & Environment 2024年第1期9卷 71-80页

作者： Weijie Kou Yafang Zhang wenjia Wu Zibiao Guo Quanxian Hua Jingtao Wang School of Chemical Engineering Zhengzhou UniversityZhengzhou450001China

Solid polymer electrolyte(SPE) shows great potential for all-solid-state batteries because of the inherent safety and flexibility;however, the unfavourable Li+deposition and large thickness hamper its development and application. Herein, a laminar MXene functional layer-thin SPE layer-cathode integration(MXene-PEO-LFP) is designed and fabricated. The MXene functional layer formed by stacking rigid MXene nanosheets imparts higher compressive strength relative to PEO electrolyte layer. And the abundant negatively-charged groups on MXene functional layer effectively repel anions and attract cations to adjust the charge distribution behavior at electrolyte–anode interface. Furthermore,the functional layer with rich lithiophilic groups and outstanding electronic conductivity results in low Li nucleation overpotential and nucleation energy barrier. In consequence, the cell assembled with MXene-PEO-LFP, where the PEO electrolyte layer is only 12 μm, much thinner than most solid electrolytes, exhibits uniform, dendrite-free Li+deposition and excellent cycling stability. High capacity(142.8 mAh g-1), stable operation of 140 cycles(capacity decay per cycle, 0.065%), and low polarization potential(0.5 C) are obtained in this Li|MXene-PEO-LFP cell,which is superior to most PEO-based electrolytes under identical condition. This integrated design may provide a strategy for the large-scale application of thin polymer electrolytes in all-solid-state battery.

关键词： MXene nanosheet Laminar functional layer Thin polymer electrolyte Dendrite-free Liþdeposition All-solid-state lithium battery