resista 一种铁基铜合金
- Estimation of RTD switching time by negative resista nce value.
用负阻值估算开关时间。 - Test and analysis results indicate that mixing fiber into road concrete can decrease the brittleness and promote the flexural strength and abrasion resista…
试验结果表明,道路混凝土中掺入纤维能明显降低混凝土的脆性,提高混凝土的抗折强度和耐磨性能。 - After double sealings, by the chemical method andelectrochemical one, the colored stainless steel surface has enhanced corrosion resista-nce and wear resistance.
采用电化学和化学方法使着色膜经二次封闭后,不锈钢表面有很好的耐蚀性和耐磨性。
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