摘要：Prosthesis implantation and fat transplantation are common breast *** general,prosthesis implantation alone does not achieve a realistic enough appearance,and fat transplantation alone is difficult to achieve in the correct *** date,no reports have focused on methods of combining fat with implanted prostheses for breast *** a newly designed bionic ink(i.e.,polyether F127 diacrylate(F127DA)&poly(ethylene glycol)diacrylate(PEGDA))and projection-based three-dimensional bioprinting(PBP),we report the development of a new method for printing porous *** was used to improve the printing precision of the prosthesis by increasing the gel point of F127DA and reducing the impact of external *** compression modulus of the printed prosthesis was very close to that of prostheses currently used in clinical practice and to that of natural ***,stromal vascular fraction gel(SVF-gel),a human fat extract,was injected into the pores of the synthesized prostheses to prepare a prosthesis mixed with adipose *** were implanted subcutaneously in nude mice to observe their biological *** 14 and 28 days of observation,the prosthesis showed good biocompatibility,and adipose tissues grew well in and around the *** result shows that a porous prosthesis containing pre-placed adipose tissues is a promising breast reconstruction material.

摘要：随着智能电网和能源互联网的发展,大规模实时电压/电场监测成为电力系统的迫切需求,这依赖于先进传感器件的大规模布置。电场测量在电力系统中具有重要意义。一方面,基于电场测量的电压反演可以实现高电压的非接触式测量,替代传统高压互感器,从而减少测量设备绝缘成本和安装难度;另一方面,电场测量还可以被应用于设备故障诊断、雷电预警、电磁环境测量等应用场景。传统的电场测量设备,如场磨等,往往体积大、成本高,无法大规模灵活布置。本文提出了一种静电力驱动的压阻式微型电场传感器。传感器被设计为四悬臂结构,悬臂在静电力的驱动下产生位移和应变,通过压阻材料转化为可测信号。所提出的传感器具有尺寸小、成本低、功耗低、易于批量生产的优点。同时,该传感器该具有高信噪比、高分辨率及宽电场测量范围。实验结果表明,所提出的传感器具有1.1~1100.0kV·m^(-1)的线性测量范围、112 V·m^(-1)·Hz^(-1/2)的交流电场分辨率以及496 Hz的截止频率。这一微型电场传感器将在智能电网及能源互联网中具有广泛的应用价值。

摘要：The microstructural evolutions of the cold rolled Fe-0.1C-5Mn steel during intercritical annealing were ex- amined using combined advanced techniques. It was demonstrated that intercritical annealing results in an ultrafine granular ferrite and austenite duplex structure in cold rolled 0.1C-5Mn steel. The strong partitioning of manganese and carbon elements from ferrite to austenite was found during intercritical annealing by scanning transmission elec- tron microscopy （STEM） and X-ray diffraction （XRD）. Strong effects of boundary characters on the austenite for- mation were indicated by austenite fast nucleation and growth in the high angle boundaries but sluggish nucleation and growth in the low angle boundaries. The ultrafine grained duplex structure in 0.1C-5Mn was resulted from the the sluggish Mn-diffusion and the extra high Gibbs free energy of ferrite phase. Based on the analysis of the micro- structure evolution, it was pointed out that the intercritical annealing of the medium Mn steels could be applied to fabricate an ultrafine duplex grained microstructure, which would be a promising approach to develop the 3rd genera- tion austomobile steels with excellent combination of strength and ductility.

摘要：我们的课题研究在工业设计系中开展,那么首先我们来回答一个问题:当代的工业设计内涵究竟如何?工业设计己不再只是为大批量的高效机器生产提供产品样式形式,也不再只是关注于产品的美学和可用性.我们的使命是为新型工业设计实践探路.在这种新型工业设计实践中,新一代的工业设计师拥有更为深刻的对运算、传感、互联性的力量的技术认知.我们培养新锐的表现者.我们的教学涵盖创意编程、创意电子工程、工程力学、机械教学、互联系统和数字审美.我们与埃因霍芬理工大学的其他院系、研究型医院以及全球范围内关于特定医疗领域的调研生态系统进行合作.在调研活动的同步进行下,我们的合作小组致力于为严谨的技术工程和当代及未来工业设计的新型需求搭建桥梁.

摘要：Cu-based catalysts are commonly used in industry for methanol *** this study,supported catalysts of 5 wt%Cu/Al_(2)O_(3)and 5 wt%Cu/ZnO were prepared,and their surface characteristics during H_(2) reduction and CO_(2)hydrogenation were investigated using in situ Fourier transform infrared spectroscopy(FTIR),ex situ X-ray photoelectron spectroscopy,and high sensitivity low energy ion scattering *** the H2 reduction and CO_(2)hydrogenation processes,it was found that Al_(2)O_(3)can stabilize Cu^(+).In situ FTIR spectra indicated that the 5 wt%Cu/Al_(2)O_(3)can adsorb large amounts of bicarbonate and carbonate species,which then convert into formate during CO_(2)*** the 5 wt%Cu/ZnO,it was found that Cu nanoparticles were gradually covered by a highly defective ZnOx overlayer during H2 reduction,which can effectively dissociate *** CO_(2)hydrogenation,the adsorbed bicarbonate or carbonate species can convert into formate and then into a methoxy *** these surface sensitive methods,a more in-depth understanding of the synergistic effect among the Cu,Al_(2)O_(3),and ZnO components of Cu-based catalysts was achieved.

摘要：Effective electrocatalysis is crucial for enhancing the efficiency of water splitting to obtain clean ***,we report a system of interesting and high-performance Sr-doped perovskite electrocatalysts with porous structures,obtained via a facile molten salt method and applied in the oxygen evolution reaction(OER).With increasing the Sr content,the valence states of Co and Fe ions do not clearly increase,according to the Co-L2,3 and Fe-L2,3 as well as the Co-K and the Fe-K X-ray absorption spectroscopy,whereas doped holes are clearly observed in the 0-K ***-resolution transmission electron microscopy indicates the appearance of an amorphous layer after the electrochemical *** conclude that the formation of the amorphous layer at the surface,induced by Sr doping,is crucial for achieving high OER activity,and we offer insights into the self-reconstruction of the OER catalyst.

摘要：LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)(NCM811)因具有高容量和相对低的成本,是高能量密度锂离子电池中最有前途的正极材料之一.然而,在高截止电压下,它仍然存在不可逆的容量衰减问题.主要原因是高电压加速了六氟磷酸锂与微量水的水解反应,产生副产物,如高腐蚀性HF,导致不稳定的正极-电解液界面和持续的不可逆相变.在这里,我们通过添加钛酸四丁酯和二氟草酸硼酸锂双重添加剂来改善传统的电解液,以形成一个稳定的富含Ti、B和F的界面层,从而消除不利的正极-电解液副反应并抑制有害相变.此外,钛酸四丁酯可以通过去除H_(2)O/HF来稳定电解液.在双重添加剂的协同作用下,NCM811在高电压下的循环稳定性得到明显增强.采用双添加剂的Li||NCM811电池在1 C和4.5 V的高截止电压下循环200次后具有86%的高容量保持率.该方法为设计锂离子电池的高电压电解液提供了参考.

摘要：为提升建筑学本科生的核心竞争力,湖南科技大学启动了二年级建筑设计课程混合式教学改革。首先从学情调查和痛点分析入手,提出以“两性一度”为标准,建立清晰可行、多元创新、合理高效的课程建设对策;接着从课程框架、教学方法和管理机制等方面提出了课程建设方案。近一年后的教学质量问卷调查结果表明:二年级建筑设计课程建设取得了良好成效。该文旨在为处于行业转型期应用型地方院校的建筑设计教学探索一条行之有效的课程建设路径。

摘要：由于高性能混凝土(HPC)材料有着优异的力学性能及耐久性,因此它在结构设计中的应用得到了广泛的关注和研究。本研究以HPC材料为基础,探讨了其在结构设计中的应用。首先,对HPC的材料特性进行了深入的分析和理解,然后将理论知识与实际工程相结合,通过案例分析了HPC在桥梁、高楼、水利工程等重大工程项目中的应用效果。研究结果表明,HPC的使用不仅能提高结构抗震性、耐久性和安全性,而且能降低建筑工程的维护成本,具有显著的经济效益和社会效益。本研究为推广HPC在结构设计中的应用提供了有益的数据支持和应用经验。

摘要：在过去的几十年里,我们经历了人类预期寿命的大幅提高,与此同时,人口老龄化也成为了一个世界性的现象,在安全、移动、卫生保健和社会福利等各个领域都带来了严峻的挑战。随着老龄过程中身心健康水平的下降和社交圈的缩小,老年人往往挣扎于维系良好生活质量和社会关系的过程中。与此同时,互联网和相关技术的快速发展却也为研究人员和设计师们带来了新的机遇以改善老年人与他人交流沟通的体验、减少老年群体被社会孤立的风险。随着数字生活和现实生活的逐渐融合,通过实体交互与嵌入现实环境的相关技术来帮助老年人等相对远离数字生活的群体重返大众网络的研究探索展现出新的潜力。在本文中,我们主要介绍三个案例研究,分别着眼于老年人的三个典型情境,旨在提高他们与他人的社会联系。基于这些设计实践中的经验,我们探讨了以支持、改善老年人社交生活为目的的交互设计在老年公寓环境中的潜力和未来可能的方向。