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Walter Chen on Muck Rack

Walter Chen

New York
As seen in: LinkedIn, Business Insider, Color Research & Application, Nature, The Times of India, Fox News, Entrepreneur, Future Internet, Lifehacker, MDPI and
co-founder of @sacrainc, investor at goldenwok.com and chairman at @animalzco. previously co-founder at @idonethis.
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Articles

A Practical RFQ Checklist for Pure Copper and CuCrZr LPBF Parts

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By Walter Chen
| DEV Community
Copper LPBF projects move faster when the RFQ is treated as an engineering data package instead of a short request for a price. This checklist is intended for hardware teams, thermal engineers, product developers, and sourcing teams preparing a pure-copper or CuCrZr part for additive manufacturing. 1.
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Lowering LDL-C with bempedoic acid in patients with complex clinical profiles: European experience and local cases

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By Vivencio Barrios, Walter Chen
| mims.com
LDL-cholesterol (LDL-C) is the main driver of atherosclerotic cardiovascular disease (ASCVD), yet LDL-C control in high-risk patients remains far from optimal.
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On the Mathematical Relationship Between RMSE and NSE Across Evaluation Scenarios

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By Walter Chen
| preprints.org
This version is not peer-reviewed. Submitted: 24 September 2025 Posted: 24 September 2025 You are already at the latest version Model evaluation metrics play a crucial role in hydrology, where accurate prediction of continuous variables such as streamflow and rainfall–runoff is essential for sustainable water resources management and climate resilience.
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