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Horticultural Plant Journal 2024年第1期10卷 156-170页

作者： shaobo Niu Yu He Siwei Yan Zhengliang sun Run Cai Yan Zhang Shaanxi Engineering Research Center for Vegetables College of HorticultureNorthwest A&F UniversityYanglingShaanxi 712100China

Gibberellin(GA)is one of the major plant hormones that promote parthenocarpy,a highly valuable agronomic ***,we demonstrated that exogenous GA3application triggered the formation of parthenocarpic fruits with smaller size but unchanged shape in tomato(Solanum lycopersicum).These fruits exhibited a thicker pericarp,undeveloped ovules,and few jelly tissues,leading to smaller locules with empty *** investigation showed that GA treatment produced more cell layers with larger cells in the pericarp,suggesting its promotion in both cell division and *** analyses between GA-3and mock-treated unpollinated ovaries/fruits identified a large number of differentially expressed genes related to hormones,cell division,cell expansion,and transcription factors,implying that they coordinately regulated parthenocarpy conferred by *** particular,the downregulation of five reported repressors of tomato parthenocarpy,including two auxin signaling components,AUXIN RESPONSE FACTOR5(SlARF5)and Sl ARF7,and three MADS-box genes,TOMATO APETALA3(TAP3),TOMATO PISTILLATA(TPI),and AGAMOUS-LIKE6(SlAGL6),after GA treatment might play a key role in this ***,we found that the knockdown of a GA signaling factor SlMYB33,which was depressed by GA treatment,induced parthenocarpic fruit set in tomato,an effect that might have been achieved by enhancing GA biosynthesis and decreasing the expression of some repressors of tomato ***,our results provide a basis for understanding the regulatory mechanism of GA in tomato parthenocarpy.

关键词： Tomato Gibberellin Parthenocarpy Histology Transcriptome SlMYB33

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薄壁舱体构件电子束焊接变形模拟分析与优化

焊接 2024年第5期 1-8,15页

作者：张新瑞王晨雷正龙孙少波步贤政王志敏哈尔滨工业大学材料结构精密焊接与连接全国重点实验室哈尔滨150001 北京航星机器制造有限公司北京100013

大型、多焊缝的薄壁类航天舱体构件在电子束焊接后,存在焊后变形校正难的问题,模拟计算可以预测变形趋势并优化焊接工艺以获得最小变形量。该文对铝合金航天用舱体结构进行了焊接过程的数值模拟,采用平板结构进行了有限元模型的建立与校... 详细信息

大型、多焊缝的薄壁类航天舱体构件在电子束焊接后,存在焊后变形校正难的问题,模拟计算可以预测变形趋势并优化焊接工艺以获得最小变形量。该文对铝合金航天用舱体结构进行了焊接过程的数值模拟,采用平板结构进行了有限元模型的建立与校核,对舱体结构进行了建模,研究了焊接顺序、焊接工艺参数对焊后最大变形量的影响及构件焊后变形趋势。结果表明,构件整体弯曲变形,优先焊接2条纵缝会导致较大的变形量,热输入越大,构件焊后变形量越大。在达到6 mm熔深时,采用高焊接速度35 mm/s及较小的功率5.4 kW可以获得最小的焊接变形,为0.35 mm。该文为薄壁大型舱体结构焊接工艺参数优化提供了依据。

关键词：薄壁舱体焊接变形电子束焊接有限元模拟

Effects of topography and vegetation on distribution of rare earth elements in calcareous soils

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Acta Geochimica 2017年第3期36卷 469-473页

作者： Zhaoliang Song Yuntao Wu Xiaomin Yang Zijuan Xu Linan Liu Xiaodong Zhang Qian Hao shaobo sun Guilin Han Congqiang Liu Institute of the Surface-Earth System Science Research Tianjin University State Key Laboratory of Resources and Environment Information System Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences School of Water Resources and Environment China University of Geosciences (Beijing) State Key Laboratory of Environmental Geochemistry Institute of Geochemistry Chinese Academy of Sciences

This study investigated the impact of topography and vegetation on distribution of rare earth elements(REEs)in calcareous soils using methods of single extraction and mass balance calculation. The purposes of the study were to set a basis for further research on the biogeochemical REE cycle and to provide references for soil–water conservation and REE-containing fertilizer amendments. The results show a generally flat Post-Archean Average Australian Shale—normalized REE pattern for the studied calcareous soils. REE enrichment varied widely. The proportion of acidsoluble phases of heavy REEs was higher than that of light REEs. From top to bottom of the studied hills, dominant REE sources transitioned from limestone in-situ weathering to input from REE-containing phases(e.g., clay minerals,amorphous iron, REE-containing fluids). Our results indicate that the REE content of calcareous soils is mainly controlled by slope aspect, while the enrichment degree of REEs is related to geomorphological position and vegetation ***, the proportion of acid-soluble phases of REEs is mainly controlled by geomorphological position.

关键词： REE distribution Weathering and pedogenesis Topography and vegetation Calcareous soils

3D interlocked all-textile structured triboelectric pressure sensor for accurately measuring epidermal pulse waves in amphibious environments

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Nano Research 2024年第3期17卷 1923-1932页

作者： shaobo Si Chenchen sun Yufen Wu Jingjing Li Han Wang Yinggang Lin Jin Yang Zhong Lin Wang Department of Optoelectronic Engineering Key Laboratory of Optoelectronic Technology and Systems Ministry of EducationChongqing UniversityChongqing 400044China College of Physics and Electronic Engineering Chongqing Normal UniversityChongqing 401331China Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of SciencesBeijing 100083China School of Materials Science and Engineering Georgia Institute of TechnologyAtlantaGA 30332USA

The performance degradation and even damage of the e-textiles caused by sweat,water,or submersion during all-weather health monitoring are the main reasons that e-textiles have not been commercialized and routinized so ***,we developed an amphibious,high-performance,air-permeable,and comfortable all-textile triboelectric sensor for continuous and precise measurement of epidermal pulse waves during full-day *** on the principle of preparing gas by acid-base neutralization reaction,a one-piece preparation process of amphibious conductive yarn(ACY)with densely porous structures is *** innovative three-dimensional(3D)interlocking fabric knitted from ACYs(0.6 mm in diameter)and polytetrafluoroethylene yarns exhibit high sensitivity(0.433 V·kPa^(-1)),wide bandwidth(up to 10 Hz),and stability(>30,000 cycles).With these benefits,98.8%agreement was achieved between wrist pulse waves acquired by the sensor and a high-precision laser ***,the polytetrafluoroethylene yarn with good compression resilience provides sufficient mechanical support for the contact separation of the ***,the unique skeletonized design of the 3D interlocking structure can effectively relieve the water pressure on the sensor surface to obtain stable and accurate pulse waves(underwater depth of 5 cm).This achievement represents an important step in improving the practicality of e-textiles and early diagnosis of cardiovascular diseases.

关键词： triboelectric pressure sensor amphibious fabric interlocking fabric pulse wave measurement one-piece preparation method

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对现阶段我厂槽寿命的分析

轻金属 2001年第3期 35-36页

作者：孙少波青铜峡铝厂宁夏青铜峡751603

通过统计本厂历年来槽寿命状况 ,发现影响槽平均寿命的主要因素是早期破损槽的数量。对导致这一结果的直接影响原因进行了深入、细致的分析 ,并提出了一些解决方案。

关键词：早期破损使用寿命铝电解槽

Complete-basis-reprogrammable coding metasurface for generating dynamicallycontrolled holograms under arbitrary polarization states

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Opto-Electronic Advances 2024年第9期7卷 65-80页

作者： Zuntian Chu Xinqi Cai Ruichao Zhu Tonghao Liu Huiting sun Tiefu Li Yuxiang Jia Yajuan Han shaobo Qu Jiafu Wang Shaanxi Key Laboratory of Artificially-Structured Functional Materials and Devices Air Force Engineering UniversityXi’an 710051China Suzhou Laboratory Suzhou 215000China Zhijian Laboratory Rocket Force University of EngineeringXi’an 710025China.

Reprogrammable metasurfaces,which establish a fascinating bridge between physical and information domains,can dynamically control electromagnetic(EM)waves in real time and thus have attracted great attentions from researchers around the *** control EM waves with an arbitrary polarization state,it is desirable that a complete set of basis states be controlled independently since incident EM waves with an arbitrary polarization state can be decomposed as a linear sum of these basis *** this work,we present the concept of complete-basis-reprogrammable coding metasurface(CBR-CM)in reflective manners,which can achieve independently dynamic controls over the reflection phases while maintaining the same amplitude for left-handed circularly polarized(LCP)waves and right-handed circularly polarized(RCP)*** LCP and RCP waves together constitute a complete basis set of planar EM waves,dynamicallycontrolled holograms can be generated under arbitrarily polarized wave *** dynamically reconfigurable metaparticle is implemented to demonstrate the CBR-CM’s robust capability of controlling the longitudinal and transverse positions of holograms under LCP and RCP waves ***’s expected that the proposed CBR-CM opens up ways of realizing more sophisticated and advanced devices with multiple independent information channels,which may provide technical assistance for digital EM environment reproduction.

关键词： basis vector control reprogrammable metasurface dynamically-controlled holograms arbitrary polarization state broadband

1982—2015年青藏高原植被变化的主导环境因子

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生态学报 2023年第2期43卷 744-755页

作者：杨亮刘丽男孙少波北京舜土规划顾问有限公司北京100070 南开大学环境科学与工程学院天津300350 天津大学地球系统科学学院天津300072

近几十年中随着全球气候环境变化,青藏高原处于变暖变湿过程之中,植被生长发生了显著变化。基于卫星遥感归一化植被指数(NDVI),采用增强回归树模型(BRT)定量分析了1982—2015年影响青藏高原植被生长变化的主要环境因子的相对重要性。结... 详细信息

近几十年中随着全球气候环境变化,青藏高原处于变暖变湿过程之中,植被生长发生了显著变化。基于卫星遥感归一化植被指数(NDVI),采用增强回归树模型(BRT)定量分析了1982—2015年影响青藏高原植被生长变化的主要环境因子的相对重要性。结果表明:(1)整个青藏高原生长季(6—9月份)空间平均NDVI和降水呈上升趋势(1.265×10^(-4)a^(-1)和0.746 mm/a,P>0.05);温度和土壤湿度呈现显著增加趋势(0.048℃/a和3.954×10^(-4)a^(-1),P40%),而土壤湿度增加是青藏高原西南部及东南部分地区NDVI变化的主要原因(相对贡献率>50%)。总体上,温度上升及由此所导致的冰冻圈消融引起的土壤含水量上升是近几十年青藏高原植被生长动态快速变化的主要原因。

关键词：气候变化 NDVI 青藏高原增强回归树模型时空变化

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Hybrid-integrated 200 Gb/s REC-DML array transmitter based on photonic wire bonding technology

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Chinese Optics Letters 2024年第8期22卷 64-69页

作者： Yuxin Ma Jie Zhao Tongtong Yang Yipeng Mei Zhenxing sun Jun Lu shaobo Li Xiang Ma Xiangfei Chen Key Laboratory of Intelligent Optical Sensing and Manipulation of the Ministry of Education&National Laboratory of Solid State Microstructures&College of Engineering and Applied Sciences&Institute of Optical Communication Engineering&Nanjing University-Tongding Joint Lab for Large-Scale Photonic Integrated Circuits Nanjing UniversityNanjing 210023China Optical Communication Research and Development Center 54th Research Institute of China Electronics Technology Group CorporationShijiazhuang 050081China

An 8-channel hybrid-integrated chip for 200 Gb/s(8×25 Gb/s)signal transmission has been *** channels are all within the O-band,and with a spacing of 800 *** core of this chip is a monolithic integrated multi-wavelength laser array of 8 directly-modulated distributed feedback(DFB)*** using the reconstruction equivalent chirp technique,multi-wavelength integration and asymmetric phase shift structures are achieved in the laser *** output laser beams of the array are combined by a planar light-wave circuit,which is hybrid-integrated with the laser array by photonic wire *** results of this transmitter chip show good single-mode working of each unit laser,with a sidemode suppression ratio above 50 dB,and the modulation bandwidth is above 20 *** eye diagrams are obtained in the lasers for 25 Gb/s non-return-to-zero modulation,which implies a total 200 Gb/s transmission rate for the whole chip.

关键词： direct modulation laser array reconstruction equivalent chirp photonic wire bonding hybrid integration

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方位名词“下面”的语义演变及其韵律变化

当代语言学 2023年第3期25卷 399-414页

作者：孙少波姚双云华中师范大学语言与语言教育研究中心

本文考察了方位名词“下面”的语义演变过程,分析了其在自然口语中不同语义条件下的韵律表现,并探讨了二者的关系。研究表明,“下面”在语义演变中,既有真值义用法,也有非真值义用法。其不同真值义用法是借助隐喻完成演变的,而非真值义... 详细信息

本文考察了方位名词“下面”的语义演变过程,分析了其在自然口语中不同语义条件下的韵律表现,并探讨了二者的关系。研究表明,“下面”在语义演变中,既有真值义用法,也有非真值义用法。其不同真值义用法是借助隐喻完成演变的,而非真值义用法则是在一定的语用条件下浮现出来的。在自然口语中,“下面”的语义演变和韵律变化并不总是一致的,随着语义的弱化,其韵律在不同声学参数上既表现出语音弱化,又表现出语音强化,韵律的选择主要还是由特定的话语功能和语用环境所决定的。本文还指出,将韵律纳入语法化研究,有助于更清晰地判断词汇语义演变的程度,特别是为鉴定新兴功能提供辅助标准。

关键词：自然口语 “下面” 语义演变韵律变化语用功能

Development and Validation of a New Prognostic Model for Predicting Survival Outcomes in Patients with Acute-onchronic Liver Failure

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Journal of Clinical and Translational Hepatology 2024年第10期12卷 834-844页

作者： Wende Li Wanshu Liu Yihui Rong Dongze Li Bing Zhu shaobo Yang Shidong sun Shaoli You Yu Chen Jun Li Department of Infection and Liver Diseases Peking University International HospitalBeijingChina Department of Hepatology Medicine Fifth Medical Center of Chinese PLA General HospitalBeijingChina Fourth Department of Liver Disease Beijing Youan HospitalCapital Medical UniversityBeijingChina State Key Laboratory for Diagnosis and Treatment of Infectious Diseases Collaborative Innovation Center for Diagnosis and Treatment of Infectious DiseasesZhejiang University School of Medicine First Affiliated HospitalHangzhouZhejiangChina

Background and Aims:Early determination of prognosis in patients with acute-on-chronic liver failure(ACLF)is crucial for optimizing treatment options and liver *** study aimed to identify risk factors associated with ACLF and to develop new prognostic models that accurately predict patient ***:We retrospectively selected 1,952 hospitalized patients diagnosed with ACLF between January 2010 and June *** cohort was used to develop new prognostic scores,which were subsequently validated in external ***:The study included 1,386 ACLF patients and identified six independent predictors of 28-day mortality through multivariate analysis(all p<0.05).The new score,based on a multivariate regression model,demonstrated superior predictive accuracy for both 28-day and 90-day mortalities,with Areas under the ROC curves of 0.863 and 0.853,respectively(all p<0.05).This score can be used to stratify the risk of mortality among ACLF patients with ACLF,showing a significant difference in survival between patients categorized by the cut-off value(log-rank(Mantel-Cox)χ^(2)=487.574 and 606.441,p=0.000).Additionally,the new model exhibited good robustness in two external ***:This study presents a refined prognostic model,the Model for end-stage liver disease-complication score,which accurately predicts short-term mortality in ACLF *** model offers a new perspective and tool for improved clinical decision-making and short-term prognostic assessment in ACLF patients.

关键词： Acute-on-chronic liver failure ACLF Outcome prediction Mortality Prognosis Model