【Additively Manufactured Ti-6Al4V before and after Hot Isostatic Pressing】

A comparison of samples of titanium alloy (Ti64) created using an AM (Additive Manufacturing) technique known as selective laser sintering (SLS) to traditionally manufactured Ti64 shows that elemental distribution and chemical composition of the AM sample are similar to wrought Ti64 and that There is a clear difference in grain structure between AM Ti64 and wrought Ti64.
(Authored by Brad Baker and Keegan Wisdom, from Unites States Naval Academy, USA.)

DOI: 10.4236/wjet.2021.92019 https://t.cn/A6VhQPO0

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#健康小知识# 【用蘑菇代替红肉和加工肉能降低早死风险】根据发表在《营养杂志》上的报告，研究人员将蘑菇摄入量与国家健康和营养调查（NHANES III）参与者的全因和因果特异性死亡率进行了比较。

与不吃蘑菇的人相比，食用蘑菇较多的人的全因死亡率风险较低。结果还显示，用蘑菇代替每天一份红肉或加工肉与较低的死亡风险有关。

降低风险的可能机制包括麦角硫因和谷胱甘肽的抗氧化特性。这些发现支持了先前的荟萃分析，该分析显示了这些抗氧化剂对乳腺癌的保护作用。

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1. Ba DM, Gao X, Muscat J, et al. Association of mushroom consumption with all-cause and cause-specific mortality among American adults: prospective cohort study findings from NHANES III. Nutr J. 2021;20(1):38-49. doi: 10.1186/s12937-021-00691-8

2. Ba DM, Ssentongo P, Beelman RB, Muscat J, Gao X, Richie JP. Higher mushroom consumption is associated with lower risk of cancer: a systematic review and meta-analysis of observational studies. Adv Nutr. 2021;nmab015-nmab029. doi: 10.1093/advances/nmab015