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Time effects of rice straw and engineered bacteria on reduction of exogenous Cu mobility in three typical Chinese soils

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Pedosphere 2022年第5期32卷 665-672页

作者： Hanzhi SHI Dian WEN Yongdong HUANG shoujun xu Tenghaobo DENG Furong LI Zhichao WU xu WANG Peihua ZHAO Fuhua WANG Ruiying DU Institute of Quality Standard and Monitoring Technology for Agro-Products Guangdong Academy of Agricultural SciencesGuangzhou 510640(China) Key Laboratory of Testing and Evaluation for Agro-Product Safety and Quality Ministry of Agriculture and Rural AffairsGuangzhou 510640(China) Guangdong Provincial Key Laboratory of Quality&Safety Risk Assessment for Agro-Products Guangzhou 510640(China)

Globally,copper(Cu)accumulation in soils is a major environmental *** organic waste and some bacterial species can readily absorb metals in an eco-friendly manner,and thus are commonly used in metal-contaminated soil *** study investigates the change in Cu fractions during the aging process and the time effects of rice straw(RS)and engineered bacteria(EB)(Pseudomonas putida X4/pIME)on reduction of Cu *** typical Chinese soils(red,cinnamon,and black soils)were incubated with RS or RS+EB in the presence of exogenous Cu for 24 *** soil physicochemical properties,reactive soil components,Cu fractions,and Cu mobility were determined over *** Cu mobility factor(MF)values were the lowest in the black soil(6.4-9.2)because of its high organic carbon and clay *** additions of both RS and RS+EB accelerated Cu stabilization during the aging process in all three *** Cu MF values decreased with time during the initial 20 months;however,the MF values increased thereafter in all soils,which might be due to the reduction of humic substances and amorphous iron oxides and the increase in iron oxides complexed on the organic *** reduction rates of Cu MF were similar after 16,24,and more than 24 months in the red,cinnamon,and black soils,respectively,indicating that RS and RS+EB could limit Cu mobility at different times in various *** RS treatment showed the greatest efficiency in reducing Cu mobility in the red,cinnamon,and black soils after 12,12,and 8 months of incubation,*** RS+EB treatment was more efficient than the RS treatment in the red soil during the initial 8 months of the incubation *** study provides theoretical support for Cu risk assessments and RS supplementation for Cu remediation in different soils.

关键词： aging Cu distribution mobility factor sequential extraction soil incubation

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大麦叶斑病及其抗性遗传与育种研究进展

内蒙古民族大学学报（自然科学版） 2024年第5期39卷 1-6页

作者：徐寿军内蒙古民族大学草业学院内蒙古通辽028043 内蒙古自治区饲用作物工程技术研究中心内蒙古通辽028043

大麦叶斑病严重影响大麦产量和品质,且近年来在内蒙古自治区愈发严重,培育抗病品种是防控该病发生的最经济有效途径。抗病品种的培育关键是摸清生态区优势致病生理小种、抗病种质资源筛选、骨干亲本的改良。从大麦叶斑病发病规律与危害... 详细信息

大麦叶斑病严重影响大麦产量和品质,且近年来在内蒙古自治区愈发严重,培育抗病品种是防控该病发生的最经济有效途径。抗病品种的培育关键是摸清生态区优势致病生理小种、抗病种质资源筛选、骨干亲本的改良。从大麦叶斑病发病规律与危害、麦根腐平脐蠕孢菌的遗传变异、抗叶斑病种质资源的筛选鉴定、抗叶斑病基因/QTLs挖掘、抗叶斑病育种培育等方面对现有研究进行了归纳总结,并对下一步研究进行了展望。

关键词：大麦叶斑病种质资源 QTL 育种

游离股前外侧穿支皮瓣修复踝关节周围软组织缺损

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中华创伤杂志 2017年第7期33卷 646-650页

作者：熊文化赵守军许柯宁波市第二医院骨科 315010

目的探讨游离股前外侧穿支皮瓣修复踝关节周围软组织缺损的方法和临床效果。方法采用回顾性病例系列研究分析2010年1月-2016年6月收治的30例创伤性踝关节周围软组织缺损患者临床资料，其中男22例，女8例；年龄16—58岁[（41．5±1．2）... 详细信息

目的探讨游离股前外侧穿支皮瓣修复踝关节周围软组织缺损的方法和临床效果。方法采用回顾性病例系列研究分析2010年1月-2016年6月收治的30例创伤性踝关节周围软组织缺损患者临床资料，其中男22例，女8例；年龄16—58岁[（41．5±1．2）岁]。软组织缺损面积9cm×4cm～23cm×12cm。均采用游离股前外侧穿支皮瓣修复创面。记录术后皮瓣血供稳定时间、皮瓣成活率、术后并发症、皮瓣二次整形率；按Baird—Jackson踝关节功能评分系统评价术后踝关节功能。结果患者均获随访6—24个月[（13．0±5．4）个月]。术后皮瓣血供稳定时间（6．5±1．1）d。29例皮瓣成活。术后1例因动脉血栓形成出现皮瓣坏死，1例出现动脉痉挛，1例出现静脉栓塞，1例因感染出现慢性窦道。无皮瓣行二次整形术。术后踝关节功能按Baird—Jackon评分系统评分：优25例，良5例。结论采用游离股前外侧穿支皮瓣修复创伤性踝关节周围软组织缺损，具有皮瓣易切取易成活、并发症少、再次整形率低、关节功能恢复好等特点。

关键词：踝损伤软组织损伤穿支皮瓣

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柴油机缸盖螺栓的三维有限元分析

山东机械 2005年第5期 18-22页

作者：徐守军潍柴动力股份有限公司潍坊261001

结合大功率柴油机性能强化的数值计算,在考虑螺纹的基础上建立了气缸盖螺栓的CAD装配体模型;并采用接触分析法对螺栓的应力应变进行了三维有限元计算,对螺栓的疲劳强度进行了校核。分析结果表明,螺纹受力仍处于弹性变化范围,可采用转角... 详细信息

结合大功率柴油机性能强化的数值计算,在考虑螺纹的基础上建立了气缸盖螺栓的CAD装配体模型;并采用接触分析法对螺栓的应力应变进行了三维有限元计算,对螺栓的疲劳强度进行了校核。分析结果表明,螺纹受力仍处于弹性变化范围,可采用转角法进一步拧紧。

关键词：螺栓疲劳强度有限元分析转角法气缸盖螺栓大功率柴油机三维有限元分析三维有限元计算装配体模型数值计算

Selenium deficiency exacerbates ROS/ER stress mediated pyroptosis and ferroptosis induced by bisphenol A in chickens thymus

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Journal of Environmental Sciences 2025年第2期148卷 13-26页

作者： Kun Wang xu Shi Hongjin Lin Tong xu Shiwen xu College of Veterinary Medicine Northeast Agricultural UniversityHarbin 150030China Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment Harbin 150030China

Bisphenol A(BPA)is an industrial pollutant that can cause immune *** acts as an antioxidant,as selenium deficiency often accompanies oxidative stress,resulting in organ *** study is the first to demonstrate that BPA and/or selenium deficiency induce pyroptosis and ferroptosis-mediated thymic injury in chicken and chicken lymphoma cell(MDCC-MSB-1)via oxidative stress-induced endoplasmic reticulum(ER)*** established a broiler chicken model of BPA and/or selenium deficiency exposure and collected thymus samples as research subjects after 42 *** results demonstrated that BPA or selenium deficiency led to a decrease in antioxidant enzyme activities(T-AOC,CAT,and GSH-Px),accumulation of peroxides(H2O2 and MDA),significant upregulation of ER stress-relatedmarkers(GRP78,IER 1,PERK,EIF-2α,ATF4,and CHOP),a significant increase in iron ion levels,significant upregulation of pyroptosis-related gene(NLRP3,ASC,Caspase1,GSDMD,IL-18 and IL-1β),significantly increase ferroptosis-related genes(TFRC,COX2)and downregulate GPX4,HO-1,FTH,*** vitro experiments conducted in MDCC-MSB-1 cells confirmed the results,demonstrating that the addition of antioxidant(NAC),ER stress inhibitor(TUDCA)and pyroptosis inhibitor(Vx765)alleviated oxidative stress,endoplasmic reticulum stress,pyroptosis,and ***,this study concludes that the combined effects of oxidative stress and ER stress mediate pyroptosis and ferroptosis in chicken thymus induced by BPA exposure and selenium deficiency.

关键词： Bisphenol A Selenium deficiency ROS/ER stress Pyroptosis Ferroptosis Thymic injury

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玉米对异常牛体碳化物磷素养分吸收利用研究

扬州大学学报（农业与生命科学版） 2015年第4期36卷 96-99页

作者：马玉露范富徐寿军内蒙古民族大学农学院内蒙古通辽028043

采用异常牛体碳化物和化学肥料,与缺磷酸性厚层多腐殖质黑土充分混合,进行盆栽玉米试验,研究牛体碳化物的磷肥效率。结果表明:细颗粒(≤1mm)牛体碳化物的磷肥效显著,施用牛体碳化物各处理的玉米植株磷含量高于1.5g·kg^(-1),而施用化肥... 详细信息

采用异常牛体碳化物和化学肥料,与缺磷酸性厚层多腐殖质黑土充分混合,进行盆栽玉米试验,研究牛体碳化物的磷肥效率。结果表明:细颗粒(≤1mm)牛体碳化物的磷肥效显著,施用牛体碳化物各处理的玉米植株磷含量高于1.5g·kg^(-1),而施用化肥各处理则低于1.5g·kg^(-1);施用牛体碳化物各处理的Truog-P平均吸收利用率为27.2%,远高于施用化肥各处理的磷吸收利用率。牛体碳化物能提高酸性土壤的pH值,处理5盆栽前后的pH值提高了1.93。

关键词：玉米牛体碳化物磷肥效率

Reducing the measurement errors in nonadiabatic holonomic quantum computers

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Science China(Physics,Mechanics & Astronomy) 2025年第1期68卷 60-66页

作者： Guo-Fu xu Department of Physics Shandong UniversityJinan 250100China

Nonadiabatic holonomic quantum computers serve as the physical platform for nonadiabatic holonomic quantum *** quantum computation has entered the noisy intermediate-scale era,building accurate intermediate-scale nonadiabatic holo-nomic quantum computers is clearly *** that measurements are the sole means of extracting information,they play an indispensable role in nonadiabatic holonomic quantum ***,developing methods to reduce measurement errors in nonadiabatic holonomic quantum computers is of great ***,while much attention has been given to the research on nonadiabatic holonomic gates,the research on reducing measurement errors in nonadiabatic holonomic quantum computers is severely *** this study,we propose a measurement error reduction method tailored for intermediate-scale nonadiabatic holonomic quantum *** reason we say this is because our method can not only reduce the measurement errors in the computer but also be useful in mitigating errors originating from nonadiabatic holonomic *** these features,our method significantly advances the construction of accurate intermediate-scale nonadiabatic holonomic quantum computers.

关键词： quantum holonomy quantum computation measurement errors

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大豆茎秆、叶片及豆荚生长的动态模拟

农业工程学报 2013年第20期29卷 151-159页

作者：徐寿军李志刚杨恒山陈传梅赵达郭艳锋内蒙古民族大学农学院通辽028043 沈阳农业大学园艺学院沈阳110866

以疆莫豆1号、蒙豆30、北豆5号为试材,在系统观测的基础上,构建了大豆茎秆、叶片和豆荚等器官的形态建成模型。模型以生理发育时间为时间步长,以生理发育日来衡量茎秆、叶片和豆荚的生长进程与生长次序,以品种遗传参数为基础来确定其他... 详细信息

以疆莫豆1号、蒙豆30、北豆5号为试材,在系统观测的基础上,构建了大豆茎秆、叶片和豆荚等器官的形态建成模型。模型以生理发育时间为时间步长,以生理发育日来衡量茎秆、叶片和豆荚的生长进程与生长次序,以品种遗传参数为基础来确定其他的模型参数,引入了最小含氮量、最大含氮量和临界含氮量来订正氮素的影响。不同品种不同播期的检验结果表明,节间长度的模拟误差在0.08~0.59 cm,RMSE在0.25~0.28 cm;节间粗度的模拟误差在0~0.10 cm,RMSE在0.04~0.05 cm;叶片长度的模拟误差在0.28~0.58 cm,RMSE为0.47 cm;叶片宽度的模拟误差在0.31~0.39 cm,RMSE在0.35~0.36 cm;豆荚长度的模拟误差在0.14~0.39 cm,RMSE在0.24~0.39 cm;豆荚宽度的模拟误差在0.09~0.21 cm,RMSE在0.14~0.17 cm;豆荚厚度的模拟误差在0.04~0.09cm,RMSE在0.06~0.07 cm。模型表现出较好的预测性和可靠性。该研究可为大豆器官形态的虚拟显示提供参考。

关键词：作物数值模拟模型大豆器官形态建成

Analysis of vibration response characteristics of subway station and superstructure with hard combination

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Earthquake Engineering and Engineering Vibration 2025年第1期24卷 271-281页

作者： Jia Jinglong xu Weiping Liu xu Wei Yong Key Laboratory of Transportation Tunnel Engineering Ministry of EducationSchool of Civil EngineeringSouthwest Jiaotong UniversityChengdu 610031China State Key Laboratory of Intelligent Geotechnics and Tunnelling Chengdu 610031China China Railway Eryuan Chongqing Survey and Design Institute Co.Ltd. Chongqing 400023China

The vibration response and noise caused by subway trains can affect the safety and comfort of *** study the dynamic response characteristics of subway stations and superstructures under train loads with a hard combination,a numerical model is developed in this *** indoor model test verified the accuracy of the numerical *** influence laws of different hard combinations,train operating speeds and modes were studied and evaluated *** results show that the frequency corresponding to the peak vibration acceleration level of each floor of the superstructure property is concentrated at 10–20 *** vibration response decreases in the high-frequency parts and increases in the lowfrequency parts with increasing distance from the ***,the factors,such as train operating speed,operating mode,and hard combination type,will affect the vibration of the *** vibration response under the reversible operation of the train is greater than that of the unidirectional *** operating speed of the train is proportional to its vibration *** vibration amplification area appears between the middle and the top of the superstructure at a higher train *** vibration acceleration level will exceed the limit value of relevant regulations,and vibration-damping measures are *** the scope of application,this study provides some suggestions for constructing subway stations and superstructures.

关键词： subway station superstructure vibration response hard combination