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隐匿阴茎术后对性生活满意度影响的初步研究

中国男科学杂志 2024年第3期38卷 87-91页

作者：蒋惠阳林枝王晨阳千毅唅江其琦黄盛松叶烈夫福建省立医院泌尿外科同济大学附属同济医院泌尿外科

目的探讨隐匿阴茎手术后对性生活满意度的影响。方法应用阴囊皮瓣法矫治隐匿阴茎，所有患者在术前、术后3个月、术后6个月填写PEDT、IIEF-5、SAS、SDS及性生活满意度问卷调查表。结果 2018年3月至2022年3月采用阴囊皮瓣法矫治成人隐... 详细信息

目的探讨隐匿阴茎手术后对性生活满意度的影响。方法应用阴囊皮瓣法矫治隐匿阴茎，所有患者在术前、术后3个月、术后6个月填写PEDT、IIEF-5、SAS、SDS及性生活满意度问卷调查表。结果 2018年3月至2022年3月采用阴囊皮瓣法矫治成人隐匿阴茎共58例，术后恢复良好，无阴茎回缩，勃起时无偏曲及旋转，无明显勃起痛。随访6个月，所有患者均可完成性生活，IIEF-5评分升高(18.83±4.08 vs 20.05±3.39 vs 21.02±2.82),PEDT评分降低(12.31±3.53 vs 10.67±3.68 vs 10.00±4.06),焦虑、抑郁倾向逐步好转，性生活满意度由8.6%上升至41.4%。结论隐匿阴茎手术可重塑阴茎外形，显著缓解阴茎勃起痛；勃起障碍及早泄症状均有不同程度的改善，患者总体性生活满意度较术前明显提高，长期性功能障碍导致的焦虑、抑郁倾向逐步减轻，临床疗效满意。

关键词：隐匿阴茎外科皮瓣早泄勃起功能障碍性生活满意度

INTERACTION OF VORTICES WITH A PROGRESSIVE SURFACE WAVE

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Journal of Hydrodynamics 1996年第4期8卷 63-68页

作者： Wang, Linlin Ma, huiyang Graduate School of Academia Sinica Beijing China

Interaction of the submerged vortices with a progressive surface wave was investigated by the finite difference numerical solution of Navier-Stokes equations. The progressive wave was the surface gravity water wave in a finite depth. The initial vortex model is Oseen vortex. The numerical computations show that a special pattern of water wave surface may be observed by the interaction of the submerged vortices. The influences of Froude number, the initial geometric configurations of vortices, and the amplitude, initial phase of surface wave on the wave pattern were discussed.

关键词： Finite difference method Numerical analysis Surface waves Turbulent flow Vortex flow

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煤气化渣改良黄土的力学特性试验分析

中国科技论文 2024年第1期19卷 23-32页

作者：曹金生武立波孙萌萌刘惠阳杨嘉伟宁夏大学土木与水利工程学院银川750021

为解决煤气化渣存量逐年增多且利用率低与黄土地区路基填料缺乏的双重难题,提出用煤气化渣改良黄土作为路基填料,改良土的力学性能直接决定其是否适用。通过无侧限抗压强度试验、直剪试验、固结试验、黄土湿陷试验,分析和研究不同煤气... 详细信息

为解决煤气化渣存量逐年增多且利用率低与黄土地区路基填料缺乏的双重难题,提出用煤气化渣改良黄土作为路基填料,改良土的力学性能直接决定其是否适用。通过无侧限抗压强度试验、直剪试验、固结试验、黄土湿陷试验,分析和研究不同煤气化粗渣掺量和不同养护龄期下煤气化粗渣改良黄土的力学特性。结果表明:当煤气化粗渣掺量为6%且养护龄期为28 d时,黄土的无侧限抗压强度由364 kPa提高到568 kPa,增长了56%,黄土的黏聚力由42.1 kPa提高至81.8 kPa,增长了94.3%;煤气化粗渣掺量为6%时,黄土的压缩系数由0.33 MPa-1降为0.11 MPa-1,降低率达66.7%;煤气化粗渣改良黄土的湿陷系数随煤气化粗渣掺量的增加先降低后逐渐升高,当掺量为6%时,黄土的湿陷系数由0.035降低到0.016,降低率为55%。即在煤气化粗渣掺量为6%且养护龄期为28 d的条件下,煤气化粗渣改良黄土的无侧限抗压强度和抗剪强度得到显著提高,煤气化粗渣改良黄土的压缩系数和湿陷系数则显著降低。

关键词：煤气化渣黄土抗压强度抗剪强度压缩系数湿陷系数

Pressure-Induced Topochemical Polymerization toward Advanced Energetic Materials

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CCS Chemistry 2023年第8期5卷 1815-1826页

作者： Guangyu Qi Siwei Song Zhiying Deng Dajian Huang Fang Chen Bingmin Yan huiyang Gou Qinghua Zhang Yi Wang Institute of Chemical Materials China Academy of Engineering Physics(CAEP)Mianyang 621999 Center for High Pressure Science and Technology Advanced Research(HPSTAR) Beijing 100094

Pressure produces closely packed,high-density materials,thereby providing a promising strategy to obtain high-energy-density materials.However,new phases or structures of energetic materials at high pressure are often not quenchable under ambient conditions.In this work,high-pressure topochemical methodology is first introduced for the preparation of stable energetic materials under ambient conditions.A pressure-induced polymerizable energetic material named PIP-1 is designed and prepared.The experimental measurements demonstrate that the polymerization of PIP-1 is caused by the breakage of C≡C bonds and the generation of C=C bonds.In accord with the experimental results,density functional theory calculations further revealed that the monomer PIP-1 is polymerized to generate 1D PIP-1 tape,and the density of polymerized PIP-1 is increased by 4.9%upon decompression.The successful realization of high-energy-density structure using high pressure showcases a new design strategy for advanced polymerizable energetic materials.

关键词： high pressure energetic material topochemistry pressure-induced polymerization

城市轨道交通9号道岔上方接触网结构设计与调整

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电气化铁道 2024年第2期35卷 57-60页

作者：张豪张坤祖健袁少磊赵慧阳关金发方岩中车青岛四方机车车辆股份有限公司郑州地铁集团有限公司西南交通大学电气工程学院

道岔上方的接触网结构较复杂,是维修维护需要重点关注的区域。本文针对某地铁线路9号道岔上方接触网出现的受电弓弓角异常磨损、接触线侧面异常磨损等问题,从受电弓、接触网空间几何关系出发,分析了造成线岔区域异常磨损的原因,给出了... 详细信息

道岔上方的接触网结构较复杂,是维修维护需要重点关注的区域。本文针对某地铁线路9号道岔上方接触网出现的受电弓弓角异常磨损、接触线侧面异常磨损等问题,从受电弓、接触网空间几何关系出发,分析了造成线岔区域异常磨损的原因,给出了线岔布置的原则和线岔结构的调整方案建议,为城市轨道交通9号道岔上方接触网布置提供参考。

关键词：接触网受电弓 9号道岔交叉线岔调整

Strain engineering of anisotropic light-matter interactions in onedimensional P-P chain of SiP_(2)

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Nano Research 2022年第8期15卷 7378-7383页

作者： Fanghua Cheng Junwei Huang Feng Qin Ling Zhou Xueting Dai Xiangyu Bi Caorong Zhang Zeya Li Ming Tang Caiyu Qiu Yangfan Lu huiyang Gou Hongtao Yuan National Laboratory of Solid State Microstructures and Jiangsu Key Laboratory of Artificial Functional Materials College of Engineering and Applied SciencesNanjing UniversityNanjing 210000China College of Materials Science and Engineering National Engineering Research Center for Magnesium AlloysChongqing UniversityChongqing 400030China Center for High Pressure Science and Technology Advanced Research Beijing 100094China

Strain engineering can serve as a powerful technique for modulating the exotic properties arising from the atomic structure of materials.Examples have been demonstrated that one-dimensional(1D)structure can serve as a great platform for modulating electronic band structure and phonon dispersion via strain control.Particularly,in a van der Waals material silicon diphosphide(SiP_(2)),quasi-1D zigzag phosphorus–phosphorus(P–P)chains are embedded inside the crystal structure,and can show unique phonon vibration modes and realize quasi-1D excitons.Manipulating those optical properties by the atom displacements via strain engineering is of great interest in understanding underlying mechanism of such P–P chains,however,which remains elusive.Herein,we demonstrate the strain engineering of Raman and photoluminescence(PL)spectra in quasi-1D P–P chains and resulting in anisotropic manipulation in SiP_(2).We find that the phonon frequencies of SiP_(2)in Raman spectra linearly evolve with a uniaxial strain along/perpendicular to the quasi-1D P–P chain directions.Interestingly,by applying tensile strain along the P–P chains,the band gap energy of strained SiP_(2)can significantly decrease with a tunable value of~55 meV.Based on arsenic(As)element doping into SiP_(2),the strain-induced redshifts of phonon frequencies decrease,indicating the stiffening of the phonon vibration with the increased arsenic doping level.Such results provide an opportunity for strain engineering of the light–matter interactions in the quasi-1D P–P chains of SiP_(2)crystal for potential optical applications.

关键词： strain engineering silicon diphosphide Raman photoluminescence

Towards ultrastrong and ductile medium-entropy alloy through dual-phase ultrafine-grained architecture

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Journal of Materials Science & Technology 2022年第31期126卷 228-236页

作者： Zhen Chen Hongbo Xie Haile Yan Xueyong Pang Yuhui Wang Guilin Wu Lijun Zhang Hu Tang Bo Gao Bo Yang Yanzhong Tian huiyang Gou Gaowu Qin Center for High Pressure Science&Technology Advanced Research(Beijing) Beijing 100094China Key Laboratory for Anisotropy and Texture of Materials(Ministry of Education) School of Materials Science and EngineeringNortheastern UniversityShenyang 110819China National Engineering Research Center for Equipment and Technology of Cold Strip Rolling Yanshan UniversityQinhuangdao 066004China Beijing Advanced Innovation Center for Materials Genome Engineering University of Science and Technology BeijingBeijing 100083China School of Materials and Engineering Shandong University of Science and TechnologyQingdao 266590China Instrumental Analysis Center Taiyuan University of Science and TechnologyTaiyuan 030024China

Advanced materials with superior comprehensive mechanical properties are strongly desired,but it has long been a challenge to achieve high ductility in high-strength materials.Here,we proposed a new V 0.5 Cr 0.5 CoNi medium-entropy alloy(MEA)with a face-centered cubic/hexagonal close-packed(FCC/HCP)dual-phase ultrafine-grained(UFG)architecture containing stacking faults(SFs)and local chemical order(LCO)in HCP solid solution,to obtain an ultrahigh yield strength of 1476 MPa and uniform elongation of 13.2%at ambient temperature.The ultrahigh yield strength originates mainly from fine grain strength-ening of the UFG FCC matrix and HCP second-phase strengthening assisted by the SFs and LCO inside,whereas the large ductility correlates to the superior ability of the UFG FCC matrix to storage disloca-tions and the function of deformation-induced SFs in the vicinity of the FCC/HCP boundary to eliminate the stress concentration.This work provides new guidance by engineering novel composition and stable UFG structure for upgrading the mechanical properties of metallic materials.

关键词： Medium-entropy alloy FCC/HCP dual-phase Strength and ductility Ultrafine-grained(UFG) Multiple hardening mechanisms

On applying the extended intrinsic mean spin tensor to modelling the turbulence in non-inertial frames of reference

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Science China(Physics,Mechanics & Astronomy) 2008年第11期51卷 1691-1706页

作者： HUANG YuNing MA huiyang XU JingLei State Key Laboratory for Turbulence and Complex Systems Peking UniversityBeijing 100871China College of Physics Graduate University of the Chinese Academy of SciencesBeijing 100049China

Modelling the turbulent flows in non-inertial frames of reference has long been a challenging task. Recently we introduced the notion of the "extended intrinsic mean spin tensor" for turbulence modelling and pointed out that, when applying the Reynolds stress models developed in the inertial frame of reference to model-ling the turbulence in a non-inertial frame of reference, the mean spin tensor should be replaced by the extended intrinsic mean spin tensor to correctly account for the rotation effects induced by the non-inertial frame of reference, to conform in phys-ics with the Reynolds stress transport equation. To exemplify the approach, we conducted numerical simulations of the fully developed turbulent channel flow in a rotating frame of reference by employing four non-linear K-ε models. Our numerical results based on this approach at a wide range of Reynolds and Rossby numbers evince that, among the models tested, the non-linear K-ε model of Huang and Ma and the non-linear K-ε model of Craft, Launder and Suga can better capture the rotation effects and the resulting influence on the structures of turbulence, and therefore are satisfactorily applied to dealing with the turbulent flows of practical interest in engineering. The general approach worked out in this paper is also ap-plied to the second-moment closure and the large-eddy simulation of turbulence.

关键词： turbulence modelling non-inertial frame of reference extended intrinsic mean spin tensor

健康校园视角下阅读疗愈“三微”服务平台建设研究

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黑龙江科学 2024年第9期15卷 140-143页

作者：刘若贤刘洋徐彤孙俊豪周思延李辉扬汪凯舟华北理工大学河北唐山063200

高校学生面对学习、生活、就业等压力易产生一系列心理问题,改善大学生心理健康状况迫在眉睫。整合图书馆数字资源平台、阅读疗法服务空间网站与阅读疗愈空间微信公众号等资源,构建集心理问询、心理健康诊疗与阅读书目推荐于一体的交互... 详细信息

高校学生面对学习、生活、就业等压力易产生一系列心理问题,改善大学生心理健康状况迫在眉睫。整合图书馆数字资源平台、阅读疗法服务空间网站与阅读疗愈空间微信公众号等资源,构建集心理问询、心理健康诊疗与阅读书目推荐于一体的交互系统小程序,通过搭建阅读疗愈“三微”服务平台,从战略层、范围层、结构层与框架层、表现层帮助大学生缓解压力,释放情绪,提升心理健康水平。同时,在平台建设中应注重加强多方协作、满足学生的个性化需求、促进团队建设、优化整合资源、保护学生隐私,以优化平台的使用效果,提升学生的使用满意度,为高校心理健康教育提供新视角与方法,为健康校园建设注入新活力。

关键词：阅读疗愈健康校园微信小程序微网站微信公众号