黑化,melanization英语短句,例句大全

黑化,melanization
Blackening[英]['bl?k?n][美]['bl?k?n]黑化
1.Development and Application of the Shadow Mask Double Deck Cleaning Blackening Technology;荫罩双层清洗黑化技术的开发及应用
3)melanism[英]['mel?niz?m][美]['m?l?n?zm?]黑化
1.Insect melanism is one of the common polymorphism in nature, and has become classical study system for species evolution and adaptability.昆虫黑化是自然界中普遍存在的一种多型现象,也成为揭示物种在自然界中进化与适应的经典范例。
4)sulfur black硫化黑，棉黑
5)oxidative blackening氧化发黑
1.A process for plating Sn on metal fasteners was introduced, including degreasing, halide Sn plating, oxidative blackening, polishing and varnishing.介绍了一种金属钮扣电镀古锡的工艺,其主要工序包括除油、卤化物镀锡、氧化发黑、抛光、罩清漆等。
6)chemical blackening化学发黑
1.The optimization of the process for the surface chemical blackening of 1Cr18Ni9Ti stainless steel was investigated using orthogonal test,aiming at improving the appearance quality and corrosion resistance of the blackening film.为了提高1Cr18Ni9Ti不锈钢表面化学发黑膜的外观质量及耐蚀性能,通过正交试验研究了表面化学发黑优化工艺。
2.A chemical blackening of aluminium alloys is proposed.提出了铝合金化学发黑工艺,通过前处理、化学镀镍、电镀铜、再化学着黑色,可以获得高附着力、致密均匀的黑色氧化膜。