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PREP法制备球形CuAl10Fe3铜合金粉末的性能表征
球形铜合金粉末 等离子旋转电极雾化法 快速凝固 纳米压痕
2019/11/5
采用等离子旋转电极雾化技术制备球形CuAl10Fe3铜合金粉末,利用激光粒度分析仪、O&N分析仪、扫描电子显微镜(SEM)、X射线衍射(XRD)仪和纳米压痕仪对CuAl10Fe3铜合金粉末的粒径分布、氧氮含量、微观形貌、组织物相及纳米硬度和弹性模量特性进行表征。结果表明,CuAl10Fe3粉末的体积平均粒径(D50)为74 μm,松装密度、振实密度和流动性分别为4.45 g/cm3、4.6 g/c...
PREP-CHEM-SRC – 1.0: a preprocessor of trace gas and aerosol emission fields for regional and global atmospheric chemistry models
The preprocessor. Launching Trace gases. Aerosol Atmospheric chemistry. Emissions Biomass burning
2014/12/9
The preprocessor PREP-CHEM-SRC presented in the paper is a comprehensive tool aiming at preparing emission fields of trace gases and aerosols for use in atmospheric-chemistry transport models. The con...
Pre-exposure prophylaxis (PrEP) versus treatment-as-prevention (TasP) for the control of HIV: Where does the balance lie?
PrEP TasP HIV balance lie
2012/11/23
Anti-retroviral drugs can reduce the infectiousness of people living with HIV by about 96%--treatment as prevention or TasP--and can reduce the risk of being infected by an HIV positive person by abou...
A Rapid DNA Mini-prep Method for Large-Scale Rice Mutant Screening
rice targeting induced local lesion in genome DNA extraction polymerase chain reaction
2009/1/7
A high throughput rice DNA mini-preparation method was developed. The method is suitable for large-scale mutant bank screening as well as large mapping populations with characteristics of maintaining...