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Yield and water use responses of winter wheat to irrigation and nitrogen application in the North China Plain

Journal of Integrative Agriculture 2018年第5期17卷 1194-1206页

作者： ZHANG Ming-ming DONG Bao-di QIAO Yun-zhou SHI Chang-hai yaNG Hong wang ya-kai LIU Meng-yu Key Laboratory of Agricultural Water Resources Hebei Laboratory of Agricultural Water-Saving Center for Agricultural Resources Research Institute of Genetics and Developmental Biology Chinese Academy of Sciences Shijiazhuang 050021 P.R. China University of Chinese Academy of Sciences Beijing 100049 P.R. China Qingdao Agricultural University Qingdao 266109 P.R.China

With increasing water shortage resources and extravagant nitrogen application, there is an urgent need to optimize irrigation regimes and nitrogen management for winter wheat（Triticum aestivum L.） in the North China Plain（NCP）. A 4-year field experiment was conducted to evaluate the effect of three irrigation levels（W1, irrigation once at jointing stage; W2, irrigation once at jointing and once at heading stage; W3, irrigation once at jointing, once at heading, and once at filling stage; 60 mm each irrigation） and four N fertilizer rates（N0, 0; N1, 100 kg N ha-（-1）; N2, 200 kg N ha-（-1）; N3, 300 kg N ha-（-1）） on wheat yield, water use efficiency, fertilizer agronomic efficiency, and economic benefits. The results showed that wheat yield under W2 condition was similar to that under W3, and greater than that under W1 at the same nitrogen level. Yield with the N1 treatment was higher than that with the N0 treatment, but not significantly different from that obtained with the N2 and N3 treatments. The W2 N1 treatment resulted in the highest water use and fertilizer agronomic efficiencies. Compared with local traditional practice（W3 N3）, the net income and output-input ratio of W2 N1 were greater by 12.3 and 19.5%, respectively. These findings suggest that two irrigation events of 60 mm each coupled with application of 100 kg N ha-（–1） is sufficient to provide a high wheat yield during drought growing seasons in the NCP.

关键词： winter wheat irrigation regime nitrogen application grain yield water use efficiency

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随机游走对罗经方位对准的精度影响分析

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中国惯性技术学报 2017年第1期25卷 28-32页

作者：张娟秀葛磊王亚凯北京计算机技术及应用研究北京100854

分析了随机游走对罗经方位对准的影响,通过罗经方位对准的频域误差传递函数,求出时域的单位脉冲响应函数,进而推导出该系统在白噪声驱动下的时域表达式,最后求出该表达式的统计特性,其标准差即为随机游走对罗经方位对准的误差公式。通... 详细信息

分析了随机游走对罗经方位对准的影响,通过罗经方位对准的频域误差传递函数,求出时域的单位脉冲响应函数,进而推导出该系统在白噪声驱动下的时域表达式,最后求出该表达式的统计特性,其标准差即为随机游走对罗经方位对准的误差公式。通过分析误差公式可知,罗经方位对准的精度与随机游走系数成正比,还与设置的半个二阶阻尼振荡周期的平方根成反比。当陀螺随机游走一定时,单纯的通过延长对准时间并不能提高对准精度,还需要延长二阶阻尼振荡周期,数值仿真验证了所提观点的正确性。

关键词：随机游走罗经方位对准二阶阻尼振荡周期

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Assessing the corrosion protection property of coatings loaded with corrosion inhibitors using the real-time atmospheric corrosion monitoring technique

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 119-126页

作者： Xiaoxue wang Lulu Jin Jinke wang Rongqiao wang Xiuchun Liu kai Gao Jingli Sun Yong Yuan Lingwei Ma Hongchang Qian Dawei Zhang School of Energy and Power Engineering Beihang UniversityBeijing 100191China Beijing Institute of Space Long March Vehicle Beijing 100076China National Materials Corrosion and Protection Data Center University of Science and Technology BeijingBeijing 100083China Institute of Materials Intelligent Technology Liaoning Academy of MaterialsShenyang 110004China Shanghai Spaceflight Precision Machinery Institute Shanghai 201600China

The atmospheric corrosion monitoring(ACM)technique has been widely employed to track the real-time corrosion behavior of metal ***,limited studies have applied ACM to the corrosion protection properties of organic *** study compared a bare epoxy coating with one containing zinc phosphate corrosion inhibitors,both applied on ACM sensors,to observe their corrosion protection properties over *** with artificial damage via scratches were exposed to immersion and alternating dry and wet environments,which allowed for monitoring galvanic corrosion currents in *** the corrosion tests,the ACM currents of the zinc phosphate/epoxy coating were considerably lower than those of the blank epoxy *** trend in ACM current variations closely matched the results obtained from regular electrochemical tests and surface *** alignment highlights the potential of the ACM technique in evaluating the corrosion protection capabilities of organic *** with the blank epoxy coating,the zinc phosphate/epoxy coating showed much-decreased ACM current values that confirmed the effective inhibition of zinc phosphate against steel corrosion beneath the damaged coating.

关键词： atmospheric corrosion monitoring technology corrosion inhibitor coating carbon steel corrosion protection

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Repetitive traumatic brain injury–induced complement C1–related inflammation impairs long-term hippocampal neurogenesis

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Neural Regeneration Research 2025年第3期20卷 821-835页

作者： Jing wang Bing Zhang Lanfang Li Xiaomei Tang Jinyu Zeng Yige Song Chao Xu kai Zhao Guoqiang Liu Youming Lu Xinyan Li kai Shu Department of Neurosurgery Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina Department of Neurosurgery Shanxi Bethune HospitalShanxi Academy of Medical SciencesTongji Shanxi HospitalThird Hospital of Shanxi Medical UniversityTaiyuanShanxi ProvinceChina Department of Pathophysiology School of Basic Medicine and Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina Institute for Brain Research Wuhan Center of Brain ScienceHuazhong University of Science and TechnologyWuhanHubei ProvinceChina Department of Graduate Student Chongqing Medical UniversityChongqingChina Department of Basic Medicine School of Medical ScienceHubei University for NationalitiesEnshiHubei ProvinceChina Department of Anatomy School of Basic Medicine and Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei ProvinceChina

Repetitive traumatic brain injury impacts adult neurogenesis in the hippocampal dentate gyrus,leading to long-term cognitive ***,the mechanism underlying this neurogenesis impairment remains *** this study,we established a male mouse model of repetitive traumatic brain injury and performed long-term evaluation of neurogenesis of the hippocampal dentate gyrus after repetitive traumatic brain *** results showed that repetitive traumatic brain injury inhibited neural stem cell proliferation and development,delayed neuronal maturation,and reduced the complexity of neuronal dendrites and *** with repetitive traumatic brain injuryalso showed deficits in spatial memory ***,following repetitive traumatic brain injury,neuroinflammation was enhanced in the neurogenesis microenvironment where C1q levels were increased,C1q binding protein levels were decreased,and canonical Wnt/β-catenin signaling was *** inhibitor of C1 reversed the long-term impairment of neurogenesis induced by repetitive traumatic brain injury and improved neurological *** findings suggest that repetitive traumatic brain injury–induced C1-related inflammation impairs long-term neurogenesis in the dentate gyrus and contributes to spatial memory retrieval dysfunction.

关键词： complement C1 dendrite dentate gyrus hippocampus neural stem cell neurogenesis neuroinflammation neurological function neuron traumatic brain injury

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毒品犯罪中技术侦查规制论纲——从审判视角出发的观察

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河南警察学院学报 2016年第5期25卷 87-93页

作者：王亚凯北京师范大学刑事法律科学研究院北京100875

2012年新《刑事诉讼法》新增的技术侦查一节,虽被誉为技术侦查法治化的开端,更大程度上是从基本法层面对该节侦查手段合法性的确认。基于毒品犯罪的自身特点,在侦查过程中广泛使用技侦手段,而技侦手段在启动条件、相关程序、所获材料作... 详细信息

2012年新《刑事诉讼法》新增的技术侦查一节,虽被誉为技术侦查法治化的开端,更大程度上是从基本法层面对该节侦查手段合法性的确认。基于毒品犯罪的自身特点,在侦查过程中广泛使用技侦手段,而技侦手段在启动条件、相关程序、所获材料作为证据使用等方面有其自身的特殊性。有必要从审判视角出发对技侦手段适用于毒品犯罪时的规制问题进行探讨。

关键词：毒品犯罪技术侦查司法审查

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日光诱导叶绿素荧光研究及应用的文献计量分析

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中国农业气象 2023年第2期44卷 106-122页

作者：闫雨杏吕肖良王亚凯于强西北农林科技大学资源环境学院杨凌712100 西北农林科技大学黄土高原土壤侵蚀与旱作农业国家重点实验室杨凌712100

日光诱导叶绿素荧光SIF(solar-induced chlorophyll fluorescence)作为直接监测植被光合作用的理想“探针”,能对植物的生理状态作出快速、灵敏的响应,是近年来植被遥感领域的研究热点。为了系统梳理SIF研究的发展脉络,本研究以Scopus... 详细信息

日光诱导叶绿素荧光SIF(solar-induced chlorophyll fluorescence)作为直接监测植被光合作用的理想“探针”,能对植物的生理状态作出快速、灵敏的响应,是近年来植被遥感领域的研究热点。为了系统梳理SIF研究的发展脉络,本研究以Scopus数据库中1982-2021年的786篇相关文献作为数据源,结合VOSviewer软件,从国家、机构、作者、期刊和关键词等角度分别进行文献计量分析和可视化计量分析。结果表明,SIF领域年发文量整体呈增长趋势,现已进入快速发展阶段;发文量排名前3的国家分别为美国、中国和德国,其中德国拥有最高的篇均被引次数(56.2次)和最多的合作国家数(36个);南京大学、加州理工学院、瓦伦西亚大学等机构有着较高的发文量和H指数,为该领域的发展做出了突出贡献;Guanter、Zhang、Frankenberg、Liu、Rascher等国内外学者致力于该领域的研究,发表论文数均在40篇以上;期刊Remote Sensing ofEnvironment在该领域中拥有最高发文量(92)和最高的H指数(40),GlobalChangeBiology拥有最高的篇均被引数(65.6次)。关键词反映出这一研究方向属于地球科学、生态学、农学、植物生理学等多学科的交叉领域,涵盖了叶片、冠层乃至区域等空间尺度;当前研究主要集中在叶绿素荧光的生理特性及胁迫监测、SIF信号的获取方式和SIF遥感应用(如碳循环)等三个方面。中国在该领域的整体研究实力走在世界前列,未来仍需进一步提高研究影响力。

关键词：日光诱导叶绿素荧光植被遥感文献计量分析 VOSviewer

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An Efficient Boron Source Activation Strategy for the Low‑Temperature Synthesis of Boron Nitride Nanotubes

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Nano-Micro Letters 2025年第1期17卷 548-558页

作者： Ying wang kai Zhang Liping Ding Liyun Wu Songfeng E Qian He Nanyang wang Hui Zuo Zhengyang Zhou Feng Ding Yue Hu Jin Zhang yagang yao National Laboratory of Solid State Microstructures College of Engineering and Applied SciencesJiangsu Key Laboratory of Artificial Functional Materialsand Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210093People’s Republic of China School of Electronic Information and Artificial Intelligence Shaanxi University of Science&TechnologyXian 710000People’s Republic of China College of Bioresources Chemical and Materials Engineering Shaanxi University of Science&TechnologyXian 710000People’s Republic of China Key Laboratory of Carbon Materials of Zhejiang Province College of Chemistry and Materials EngineeringWenzhou UniversityWenzhou 325000People’s Republic of China Shenzhen Institutes of Advanced Technology Chinese Academy of SciencesShenzhen 518000People’s Republic of China College of Chemical and Molecular Engineering Peking UniversityBeijing 100871People’s Republic of China

Lowering the synthesis temperature of boron nitride nanotubes(BNNTs)is crucial for their *** primary reason for adopting a high temperature is to enable the effective activation of highmelting-point solid *** this study,we developed a novel approach for efficiently activating boron by introducing alkali metal compounds into the conventional MgO–B *** approach can be adopted to form various low-melting-point AM–Mg–B–O growth *** growth systems have improved catalytic capability and reactivity even under low-temperature conditions,facilitating the synthesis of BNNTs at temperatures as low as 850℃.In addition,molecular dynamics simulations based on density functional theory theoretically demonstrate that the systems maintain a liquid state at low temperatures and interact with N atoms to form BN *** findings offer novel insights into the design of boron activation and are expected to facilitate research on the low-temperature synthesis of BNNTs.

关键词： Boron nitride nanotubes Low-temperature Boron activation Density functional theory

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A novel flexible nerve guidance conduit promotes nerve regeneration while providing excellent mechanical properties

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Neural Regeneration Research 2025年第7期20卷 2084-2094页

作者： Tong Li Quhan Cheng Jingai Zhang Boxin Liu Yu Shi Haoxue wang Lijie Huang Su Zhang Ruixin Zhang Song wang Guangxu Lu Peifu Tang Zhongyang Liu kai wang Department of Orthopedics the Fourth Medical Center of Chinese PLA General HospitalBeijingChina Department of Training and Sports Medicine Characteristic Medical Center of Chinese People’s Armed Police ForceTianjinChina Medical School of Chinese PLA BeijingChina Key Laboratory of Bioactive Materials for the Ministry of Education College of Life SciencesNankai UniversityTianjinChina Department of Orthopedics Tianjin HospitalTianjinChina Department of Rehabilitation Medicine Er Quan Hospital of PAPWuxiJiangsu ProvinceChina

Autografting is the gold standard for surgical repair of nerve defects>5 mm in length;however,autografting is associated with potential complications at the nerve donor *** an alternative,nerve guidance conduits may be *** ideal conduit should be flexible,resistant to kinks and lumen collapse,and provide physical cues to guide nerve *** designed a novel flexible conduit using electrospinning technology to create fibers on the innermost surface of the nerve guidance conduit and employed melt spinning to align ***,we prepared disordered electrospun fibers outside the aligned fibers and helical melt-spun fibers on the outer wall of the electrospun fiber *** presence of aligned fibers on the inner surface can promote the extension of nerve cells along the *** helical melt-spun fibers on the outer surface can enhance resistance to kinking and compression and provide *** novel conduit promoted nerve regeneration and functional recovery in a rat sciatic nerve defect model,suggesting that it has potential for clinical use in human nerve injuries.

关键词： aligned fibers anti-kinking helical fibers nerve guidance conduit nerve regeneration peripheral nerve injury topological guidance

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毛泡桐花黄酮对小鼠脾和胸腺超微结构及免疫功能的影响

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畜牧兽医学报 2013年第6期44卷 952-959页

作者：王占彬王亚锴赵德明张自强河南科技大学动物科技学院洛阳471003 中国农业大学动物医学院北京100193

为研究毛泡桐花黄酮对小鼠脾和胸腺超微结构的影响,将120只昆明种小白鼠随机分为4组:对照组(灌服0.3mL.d-1含0.5%CMC-Na的PBS)、黄酮Ⅰ组[40mg·(kg·d)-1黄酮]、黄酮Ⅱ组[120mg·(kg·d)-1黄酮]和黄酮Ⅲ组[360mg·(kg·d)-1黄酮],每组3... 详细信息

为研究毛泡桐花黄酮对小鼠脾和胸腺超微结构的影响,将120只昆明种小白鼠随机分为4组:对照组(灌服0.3mL.d-1含0.5%CMC-Na的PBS)、黄酮Ⅰ组[40mg·(kg·d)-1黄酮]、黄酮Ⅱ组[120mg·(kg·d)-1黄酮]和黄酮Ⅲ组[360mg·(kg·d)-1黄酮],每组30只(雌雄各半),采用灌胃法按体重每日给小鼠灌服毛泡桐花黄酮建立实验动物模型,在处理后第28天处死小鼠,采集脾和胸腺,计算脏器指数,MTT法检测刀豆素A(ConA)诱导的小鼠脾淋巴细胞增殖转化、中性红试验测定小鼠腹腔巨噬细胞吞噬功能,并采用扫描电镜观察小鼠脾和胸腺结构。结果表明,不同剂量的毛泡桐花黄酮均能显著提高小鼠胸腺和脾指数及淋巴细胞增殖反应和腹腔巨噬细胞吞噬功能(P<0.05),且呈现一定的剂量依赖性;毛泡桐花黄酮高、中、低3个剂量组小鼠脾和胸腺中成熟淋巴细胞数量均较对照组增多,特别是高剂量组成熟淋巴细胞数量最多。提示,毛泡桐花黄酮通过增加小鼠免疫器官质量、免疫器官中成熟淋巴细胞数量等影响其超微结构。毛泡桐花黄酮通过提高脾T淋巴细胞增殖反应和腹腔巨噬细胞吞噬能力,对小鼠免疫功能具有一定的调控作用。

关键词：毛泡桐花黄酮扫描电镜小鼠脾胸腺

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Repetitive transcranial magnetic stimulation in Alzheimer’s disease:effects on neural and synaptic rehabilitation

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Neural Regeneration Research 2025年第2期20卷 326-342页

作者： Yi Ji Chaoyi yang Xuerui Pang Yibing yan Yue Wu Zhi Geng Wenjie Hu Panpan Hu Xingqi Wu kai wang Department of Neurology The First Affiliated Hospital of Anhui Medical UniversityHefeiAnhui ProvinceChina Anhui Province Key Laboratory of Cognition and Neuropsychiatric Disorders HefeiAnhui ProvinceChina Collaborative Innovation Center of Neuropsychiatric Disorders and Mental Health HefeiAnhui ProvinceChina Institute of Artificial Intelligence Hefei Comprehensive National Science CenterHefeiAnhui ProvinceChina Department of Psychology and Sleep Medicine The Second Affiliated Hospital of Anhui Medical UniversityHefeiAnhui ProvinceChina

Alzheimer’s disease is a neurodegenerative disease resulting from deficits in synaptic transmission and *** Alzheimer’s disease brain tends to be hyperexcitable and hypersynchronized,thereby causing neurodegeneration and ultimately disrupting the operational abilities in daily life,leaving patients *** transcranial magnetic stimulation is a cost-effective,neuro-modulatory technique used for multiple neurological *** the past two decades,it has been widely used to predict cognitive decline;identify pathophysiological markers;promote neuroplasticity;and assess brain excitability,plasticity,and *** has also been applied to patients with dementia,because it can yield facilitatory effects on cognition and promote brain recovery after a neurological ***,its therapeutic effectiveness at the molecular and synaptic levels has not been elucidated because of a limited number of *** study aimed to characterize the neurobiological changes following repetitive transcranial magnetic stimulation treatment,evaluate its effects on synaptic plasticity,and identify the associated *** review essentially focuses on changes in the pathology,amyloidogenesis,and clearance pathways,given that amyloid deposition is a major hypothesis in the pathogenesis of Alzheimer’s *** mechanisms associated with repetitive transcranial magnetic stimulation procedures and different pathways mediating gene transcription,which are closely related to the neural regeneration process,are also ***,we discuss the outcomes of animal studies in which neuroplasticity is modulated and assessed at the structural and functional levels by using repetitive transcranial magnetic stimulation,with the aim to highlight future directions for better clinical translations.

关键词： Alzheimer’s disease amyloid deposition apoptotic mechanisms biomarker neural regeneration neurodegeneration repetitive transcranial magnetic stimulation synaptic plasticity

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