全球科研项目数据库
更多> 共收录数据:65600730 今日更新项目:3992- 1.本项目将结合实桥锈蚀拉索取样和实验室加速腐蚀模型拉索、高强钢丝腐蚀形貌观测统计、锈蚀高强钢丝及小尺寸拉索模型加载实验、有限元和蒙特卡罗法模拟分析,及概率理论研究锈蚀拉索的承载性能退化规律。首先通过实验室加速腐蚀HDPE护套包裹高强钢丝拉索模型,结合实桥锈蚀拉索样本,观测统计锈蚀钢丝的均匀锈蚀和坑蚀分布特征参数及位置相关性。进一步通过锈蚀钢丝的有限元模拟和加载实验,确定锈蚀高强钢丝的应力—应变本构关系参数和疲劳寿命参数退化的概率分布函数及其与腐蚀形貌参数的相关性。采用蒙特卡罗法模拟加载并统计分析锈蚀拉索承载...
- 2.季节性冻土地区粉土路基填料冻胀对道路工程影响较大,石灰改良有效但不环保,寻找能抑制冻胀且经济环保的方法尤为重要。本项目以对冻胀最敏感的粉土作为研究对象,将秸秆作为加筋材料,配合低掺量石灰,通过冻融循环前后秸秆的力学性能和微结构测试提出适用于季冻区的秸秆防腐方法;开展室内开敞系统下的冻胀试验,研究秸秆加筋、石灰固化对粉土的冻胀抑制机理;基于Gilpin离散透镜体模型,考虑秸秆、石灰的掺加对粉土冻结过程中分凝冰形成、生长的影响和对粉土抗拉强度的提高作用,修正模型基本方程和分凝冰形成准则,建立秸秆加筋石灰粉土考...
- 3.Functional roles of genetic risk factors for brain disorders in neurogenesis and neurodevelopment 译 - 美国卫生和人类服务部基金(HHS) Research Projects 2022The overarching goal of this program is to define cellular and molecular events during neural development vulnerable to genetic perturbations that increase risk for neurodevelopmental and neurological disorders.Currently,our knowledge of human brain devel...
- 4.Project 2: Physical Mechanisms and Clinical Implications of Mechano-transduction 译 - 美国卫生和人类服务部基金(HHS) RESEARCH CENTERS 2019Project 2: Physical Mechanisms and Clinical Implications of Mechano-transduction in Hepatocellular Carcinoma Tumor Microenvironment. In Project 2, a team of investigators from the physical sciences, engineering, and cell biology will interact...
- 5.A new approach to the creation of aluminum matrix composites with improved mechanical properties due to the directional control of the surface composition and the structural organization of the dispersed phase 译 - 俄罗斯科学基金(RSF) 2023主持人:Morozov Nikita资助金额:未知nnotation:One of the important tasks of modern materials science is the development of new metal and composite materials based on a metal matrix with improved functional properties. This project considers following scientific problems to be solved while...
- 6.Outline of Research at the Start:従来の水処理法である物理吸着、イオン交換、膜分離、凝集沈殿法などでは除去が困難な希薄な各種イオンを、メソ孔性ナノ炭素材料を合成して電極に用い電気二重層吸着の原理を適応した省エネルギーかつ低環境負荷の新しいプロセスで選択的除去・回収を目指す。メソ孔性炭素電極を用いた新しい電気二重層吸着によるイオン除去プロセス技術の開発を行う。本技術は、廃棄物を出さない低環境負荷で低電圧(2V以下)かつ電極を容易に再生できる新規プロセスが特徴であり、省電力で資...
