The research shows that permeable formwork can obviously improve the surface quality and durability of concrete.

试验研究和应用结果表明，透水模板能显著改善混凝土的表面质量，有效提高混凝土的耐久性。

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The solidification and heat transfer in meniscus zone have deep influence on the formation of initial solidified shell, surface quality and smoothness of casting operation.

连铸弯月面区域的凝固传热对初生坯壳的均匀形成、铸坯的表面质量以及连铸生产的顺利进行有重要影响。

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Skin pass mill is used to improve surface quality and mechanical properties of the coating.

本机组采用光整机的主要用途是改善镀层表面质量和机械性能。

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No longer limited to low-end FDM machines, users can now print parts with the complex geometries, exquisite details, and beautiful surface finish necessary for professional quality design and digital fabrication.

ENGADGET: FORM 1 delivers high-end 3D printing for an affordable price, meets Kickstarter goal in 1 day

In developing the thematic area, UNESCO is a leader in the areas of: transboundary surface and groundwater, water quality, integrated water resource management and climate change adaptation and water.

UNESCO: at the Sixth World Water Forum

The degradation of water quality in surface and groundwater systems is further exacerbating water scarcity and negatively impacting our natural environment and the ecosystem services and goods that it provides, jeopardizing food security and livelihoods.

UNESCO: World Water Day 22 March 2010: Clean Water for a Healthy World