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预应力混凝土管桩桩端侧后注浆理论及承载特性研究进展综述

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河南理工大学学报（自然科学版） 2025年第1期44卷 154-165页

作者：侯振坤陈炫霖唐孟雄凌造都喜东徐峰贺绍阳梁仕华广东工业大学土木与交通工程学院广东广州510006 广州建筑股份有限公司广东广州510030 广州市建筑集团有限公司广东广州510030 昆明理工大学国土资源工程学院云南昆明650093 招商局重庆交通科研设计院有限公司重庆400067 湖南国涛建设工程有限公司湖南岳阳414000

意义管桩后注浆可有效改善桩-土接触界面物理力学性质,在提高管桩摩阻力、减少上部结构沉降等方面发挥着重要作用。进展通过对管桩后注浆工艺、后注浆理论、管桩注浆后的承载性能、管桩-注浆体-土接触界面剪切性能等进行综述,展望了管... 详细信息

意义管桩后注浆可有效改善桩-土接触界面物理力学性质,在提高管桩摩阻力、减少上部结构沉降等方面发挥着重要作用。进展通过对管桩后注浆工艺、后注浆理论、管桩注浆后的承载性能、管桩-注浆体-土接触界面剪切性能等进行综述,展望了管桩后注浆的发展方向。结果表明:(1)后注浆对提高中小直径管桩承载力有一定作用;注浆后,中掘法管桩的承载力一般超过了4 000 kN、静钻根植竹节桩的承载力可提升20%以上、随钻跟管桩承载力普遍超过20 000 kN。(2)现有的注浆理论推动了注浆技术的发展,虽然相关研究成果与工程实践存在差异,但可以给出浆液扩散的初步轮廓和扩散范围,为注浆设计和工程应用提供科学指导。(3)桩-浆-土接触界面的研究大多以剪切试验为载体,研究浆-土接触界面剪切性能这一宏观表象,很少涉及注浆液以注浆根系、爪牙和毛细爪牙的形式伸入土体并与土体进行关键离子交换从而提高桩-浆-土接触界面黏结强度的宏微观扩散本质。(4)现有注浆研究大多止步于注浆结果分析,较少涉及注浆机理,对浆液在地层中的流动扩散规律认识不够清晰。结论与展望桩侧注浆液渐进性流动过程可视化分析、注浆体三维尺寸定量表征、管桩注浆过程智能化监测、新型管桩桩侧注浆工艺研发是未来管桩桩侧后注浆发展的重要方向。

关键词：管桩后注浆承载特性加固机理注浆工艺

Bayesian estimation-based sentiment word embedding model for sentiment analysis

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CAAI Transactions on Intelligence Technology 2022年第2期7卷 144-155页

作者： Jingyao Tang Yun Xue Ziwen Wang shaoyang Hu Tao Gong Yinong Chen Haoliang Zhao Luwei Xiao Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials School of Physics and Telecommunication EngineeringSouth China Normal UniversityGuangzhouChina College of Mathematics and Informatics&College of Software Engineering South China Agricultural UniversityGuangzhouChina School of Foreign Languages Zhejiang University of Finance&EconomicsHangzhouZhejiangChina Educational Testing Service PrincetonNew JerseyUSA School of Computing Informatics and Decision Systems EngineeringArizona State UniversityTempeUSA

Sentiment word embedding has been extensively studied and used in sentiment analysis ***,most existing models have failed to differentiate high-frequency and low-frequency ***,the sentiment information of low-frequency words is insufficiently captured,thus resulting in inaccurate sentiment word embedding and degradation of overall performance of sentiment analysis.A Bayesian estimation-based sentiment word embedding(BESWE)model,which aims to precisely extract the sentiment information of low-frequency words,has been *** the model,a Bayesian estimator is constructed based on the co-occurrence probabilities and sentiment proba-bilities of words,and a novel loss function is defined for sentiment word embedding *** experimental results based on the sentiment lexicons and Movie Review dataset show that BESWE outperforms many state-of-the-art methods,for example,C&W,CBOW,GloVe,SE-HyRank and DLJT1,in sentiment analysis tasks,which demonstrate that Bayesian estimation can effectively capture the sentiment information of low-frequency words and integrate the sentiment information into the word embedding through the loss *** addition,replacing the embedding of low-frequency words in the state-of-the-art methods with BESWE can significantly improve the performance of those methods in sentiment analysis tasks.

关键词： function embedding estimation

Transgenic strategies to generate heterogeneous hepatic cancer models in zebrafish

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Journal of Molecular Cell Biology 2019年第11期11卷 1021-1023页

作者： Fei Fei Lei Wang shaoyang Sun Kunpeng Lv Yuxiao Yao Jingjing Wang Min Yu Xu Wang Laboratory of Metabolism and Molecular Medicine Ministry of EducationDepartment of Biochemistry and Molecular BiologySchool of Basic Medical SciencesFudan UniversityShanghai 200032China Cancer Metabolism Laboratory Cancer InstituteFudan University Shanghai Cancer CenterShanghai 200032China

Intratumor heterogeneity describes phenomena that cancer cells from a single focal population can be highly diverse in morphology,gene expression,metabolism,motility,proliferation,metastatic potential,and drug sensiti... 详细信息

关键词： metabolism cancer hepatic

Post-fire invasion risk of Chinese tallow(Triadica sebifera)in a slash pine flatwood ecosystem in the Gulf of Mexico Coastal Plain,United States:mechanisms and contributing factors at the community level

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Forestry Research 2021年第1期1卷 3-12页

作者： Nannan Cheng Zhaofei Fan Nancy Loewenstein Robert Gitzen shaoyang Yang School of Forestry and Wildlife Sciences Auburn UniversityAuburnAL 36849USA

The invasion of Chinese tallow(Triadica sebifera(L.)Small)is a serious threat to the endangered slash pine(Pinus elliottii)flatwood ecosystem in the Gulf of Mexico Coastal Plain,United *** fire in combination with vegetation management has been suggested as a preferred approach for mitigating Chinese tallow invasion and restoring this endangered ecosystem.A large plot of 0.86-ha with 281 nested contiguous 30-m^(2) quadrats was established in a tallow-invaded slash pine flatwood and all tallow trees,saplings,seedlings and associated factors in each quadrat were measured to study the community-level tallow invasion processes before and after a prescribed fire and by dispersal and community *** and regression tree models show that the dispersal factors(distances to the road and to the trail)and microtopography(elevation)determine the invasion probability of tallow,but the degree of invasion(abundance)of tallow depends on the interactions of both dispersal factors and community factors such as canopy closure and grass/herbaceous *** nearer to roads and trails,dominated by native grass/herbaceous species,and with a low elevation and canopy closure are highly susceptible to tallow invasion and *** effect of fire on tallow invasion varies with overstory and understory *** of tallow seedlings and saplings increased greatly after fire in the areas dominated by slash pines in the overstory and native grass/herbaceous species in the *** control tallow invasion and establishment,tallow seed trees/sources should be removed from the area and vicinity to be burned.

关键词： invasion closure prescribed

Change Mechanism in Property and Microstruture of Magnesite—chrome Brick for Use in Super H—T Tunnel Kiln

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China's Refractories 1998年第2期7卷 35-38页

作者： shaoyang SUNJu 等 liaoningMangesiteandRetractoryCorp. HaichengCityLiaoning114200China liaoningMangesiteandRetractoryC

On the basis of determination of property and microstructure of two kinds of primary MgO-Cr2O3 bricks and residual magnesite-chrome bricks for super H-T tunnel kiln,combining with the both residul bricks's application result,the paper expounds the change mechanism of the two kinds of magnesite-chrome bricks during the operation period,especially stresses the advantages of low Cr2O3 MgO-Cr2O3 bricks.

关键词：微观结构二氧化二铬氧化镁耐火材料砖高温隧道窑冶金工业

Csy4-based vector system enables conditional chimeric gene editing in zebrafish without interrupting embryogenesis

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Journal of Molecular Cell Biology 2018年第6期10卷 586-588页

作者： Jingjing Wang Fei Fei Michael A.Berberoglu shaoyang Sun Lei Wang Zhiqiang Dong Xu Wang Key Laboratory of Metabolism and Molecular Medicine Ministry of EducationDepartment of Biochemistry and Molecular BiologySchoo of Basic Medical SciencesFudan University Shanghai 230002China Bio-Medicat Center College of Life Science & TechnologyHuazhong Agricultural University Wuhan 430070China

Dear Editor,Despite diverse transfection approaches, zygote micro-injection remains the most widely used method to deliver the CRISPR/Cas9 system into most model organisms,including zebrafish and non-human primates Oa... 详细信息

关键词： vector system chimeric gene

Effect of nonlinear translations on the pulsation of cavitation bubbles

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Chinese Physics B 2022年第4期31卷 381-384页

作者： lingling Zhang Weizhong Chen Yang Shen Yaorong Wu Guoying Zhao shaoyang Kou Key Laboratory of Modern Acoustics(Ministry of Education) Institute of AcousticsNanjing UniversityNanjing 210093China

The pulsations and translations of cavitation bubbles obey combined ordinary differential equations,and their nonlinearities are studied by the bifurcation diagram and the phase diagram in a strong ultrasonic *** pulsation can change regularly or irregularly with changing driving pressure in the time *** bifurcation diagrams of the pulsation versus driving pressure show that the pulsations and translations of bubbles have nonlinear characteristics,and the nonlinear translations of bubbles can disorder the pulsations for certain *** of the pulsation can also be caused by nonlinear pulsation *** addition,the phase diagrams also show that the nonlinear translations make a large contribution to the *** same result can also be obtained when the ambient radii of two bubbles are different.

关键词： bubble pulsation bubble translation nonlinear characteristics

Preparation of Periclase-forsterite lightweight Heat-insulating Refractories by Molten Salt Method

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China's Refractories 2023年第4期32卷 33-37页

作者： WANG shaoyang HOU Qingdong QI Xin LUO Xudong YOU Jiegang ZHANG ling School of Materials and Metallurgy University of Science and Technology LiaoningAnshan114051China

Low grade magnesite is one of the main research directions in the future as the raw material for the preparation of magnesia based insulating ***-forsterite(MgO-Mg_(2)SiO_(4)) lightweight insulating refractories were prepared by the molten salt method with high silica magnesite and tertiary talc ore as raw materials by pretreating them to get light burnt magnesia and talc,and NaCl molten salt as the reaction *** effects of the NaCl addition,the sintering temperature,the holding time and the raw material ratio on the sample preparation were *** results show that when the NaCl addition is 20% of the mass of light burnt magnesia and talc mixture,the sintering temperature is 1 200 ℃,the holding time is 6 h,and m(light burnt magnesia):m(talc)=5:5,the sample has the optimal comprehensive properties:the bulk density of 1.46 g·cm^(-3) and the apparent porosity of 55.0%.In addition,it is found that self-decomposition of talc and the formation of forsterite can form pores inside the sample.

关键词： sodium chloride molten salt periclase forsterite lightweight insulating material

Synthesis and Electrochemical Properties of Mg-doped liNi_(0.6)Co_(0.2)Mn_(0.2)O_2 Cathode Materials for li-ion Battery

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Journal of Wuhan University of Technology(Materials Science) 2011年第2期26卷 212-216页

作者：傅春燕 shaoyang Medical College Level Speciaity School Department of Pharmacy

The layered liNi0.6Co0.2-xMn0.2MgxO2 （x=0.00,0.03,0.05,0.07） cathode materials were prepared by a co-precipitation *** properties of the Mg-doped liNi0.6Co0.2Mn0.2O2 were investigated by X-ray diffraction （XRD）,scanning electron microscopy （SEM）,and electrochemical *** studies showed that the Mg-doped liNi0.6Co0.2Mn0.2O2 had the same layered structure as the undoped *** SEM images exhibited that the particle size of Mg-doped liNi0.6Co0.2Mn0.2O2 was finer than that of the undoped liNi0.6Co0.2 Mn0.2O2 and that the smallest particle size is only about 1μ*** Mg-doped liNi0.6Co0.2Mn0.2O2 samples were investigated on the li extraction/insertion performances through charge/discharge,cyclic voltammogram （CV）,and electrochemical impedance spectra（EIS）.The optimal doping content of Mg was that x= 0.03 in the liNi0.6Co0.2-xMn0.2MgxO2 samples to achieve high discharge capacity and good cyclic *** electrode reaction reversibility and electronic conductivity was enhanced,and the charge transfer resistance was decreased through *** improved electrochemical performances of the Mg-doped liNi0.6Co0.2Mn0.2O2 cathode materials are attributed to the addition of Mg 2＋ ion by stabilizing the layer structure.

关键词： lithium ion batteries liNi0.6Co0.2Mn0.2O2 Mg-doping cyclic voltammogram (CV)