发黑,blackening
1)blackening[英]['bl?k?n][美]['bl?k?n]发黑
1.Current status and prospect of the blackening of iron and steel;钢铁发黑技术的现状及展望
英文短句/例句

1.I would grow dizzy and my vision would dim.我头发晕,两眼发黑
2.Mother looks very tired. She has shadows under(round)the eyes母亲看上去很黑,她眼圈儿都发黑了。
3.People( with dark hair and dark skin) look good in red and purple.( 黑发黑皮肤的)人穿红色和紫色好看。
4."Dark,--very dark; with black eyes, black hair, black eyebrows."“黑,——黑极了,黑眼睛,黑头发,黑眉毛。”
5.In'black hair''black'modifies'hair'.在'黑头发'中,'黑"修饰'头发'。
6.In " black hair " " black " modifies " hair " .在“黑头发”中,“黑”修饰“头发”。
7.Her hair's intensely black.她的头发乌黑乌黑的。
8.his hair was straight and it was dark, very dark.他是直头发,黑色的,很黑。
9.have long, black hair长着一头长、 黑发
10.her jet hair她那乌黑发亮的秀发
11.She had glossy black hair.她长着乌黑发亮的头发。
12.His black hair was threaded with silver.他的黑发中夹杂着银发。
13.Dark lady and fair man.黑发夫人和金发先生[21]。
14.Maria's black hair shone glisteningly.玛丽亚的黑发闪闪发光。
15.He wore a droopy moustache, and was kind of dark-skinned, with dark hair and dark eyes.他留着下垂的小胡子,皮肤有点黑,黑头发、黑眼睛。
16.Oh, has dark, wavy hair with a little gray at the temples .黑黑的卷发,鬓角有点灰白。
17.We both have black eyes and black hair.我们两个都有着黑眼睛和黑头发。
18.No, his hair was straight and it was dark, very dark.不是,他是直头发,黑色的,很黑。
相关短句/例句

nigrities发黑,黑变
3)hair black, eyes black黑发黑眼
4)"Black Hair"黑发
1.The Symbolic Meaning of “Black Hair” in Waka and Haiku;“黑发”在和歌与俳句中的象征意义
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)blackening[英]['bl?k?n][美]['bl?k?n]发黑处理
1.The technology of blackening for bearing stainless steel 9Cr18 was studied.将发黑处理后的9Cr18钢轴承增加电解工艺,从而大幅度提高了轴承的耐蚀性,同时不降低其硬度。
延伸阅读

发黑分子式:CAS号:性质:又称发黑。钢铁表面处理的一种方法。通常将工件浸入强氧化性的化学溶液中。例如沸腾温度为147~152℃的氧氧化钠(600g/cm3)及亚硝酸钠(100g/cm3)水溶液中,经一定时间使表面生成一层美观、较致密且具有防锈作用的黑色氧化铁薄膜。此项工艺有时也混称“发蓝”。广泛应用于钟表、指针、游丝、螺钉、仪表外壳及某些机械的零件等。