IG-600 can deposit excellent gold on nickel layer without black pad problem and improve ENIG process yields.
这种处理液通过加入特殊的复合缓蚀剂,减轻镀液对镍层的过度腐蚀,有效防止"黑色镍垫"的发生,提高化学镀镍/沉金处理的良品率。
On the basis of study of purification by using black nickel Ni(OH) 3 and by using sequestrant aqueous solution ultrasonic wave to stir and cleanse,the factors such as temperature,pH,dosage of trivalent nickel,sequestrant,the number of ultrasonic wave stirring wash that affect the result of impurity removal were discussed.
为此 ,在研究黑镍除杂和用螯合剂水溶液超声波搅拌洗涤除杂的基础上 ,讨论温度、p H值、黑镍量、螯合剂、超声波的搅拌洗涤次数等因素对除杂效果的影响 ,通过实验找出湿法制备高纯度超细镍粉除杂的最佳工艺条件。
The production process and technical parameters of making use of strong oxidant characteristic of black nickel to remove cobalt form sulfate solution are studied.
研究利用黑镍的强氧化剂特性来分离镍物料中钴的工艺条件和过程。
Study on Black Ni-Sn Alloy Coating of Solar Selective Absorptance
选择性吸收黑色镍-锡合金镀层的研究
A quality black leather scabbard with nickel silver tip and throat is included.
配有高品质的黑色皮革剑鞘，镍黄铜鞘尾和鞘喉。
An approach on ore-forming of Ni-Mo deposit containing noble metals in Northwest Human
湘西北黑色岩系中含贵金属镍钼矿成矿探讨
Basic Research on New Technologies of Clean Flotation of Low Grade Ni-Mo Black Shale Ore
低品位黑色页岩镍钼矿清洁浮选新技术基础研究
Typomorphism Characteristic Research of Barite in the Black-Rock-Series-Type Ni-Mo Deposits in the Lower Cambrian in Hunan-Guizhou Area
湘黔地区下寒武统黑色岩系型镍钼矿床中重晶石标型特征研究
Ni-Mo DEPOSITS AND NOBLE METAL MINERALIZATION IN THE BLACK ROCK SERIES IN THE NORTHWEST HUNAN PROVINCE
湘西北黑色岩系中的镍钼矿床及其贵金属矿化特征
A yellowish - brown nickel iron sulfide that is the principal ore of nickel.
镍黄铁矿一种棕黄色镍铁硫化物，主要矿物为镍
Color the bag black, black, black.
把包涂成黑色的，黑色的，黑色的。
a yellow mineral consisting of nickel sulfide; a minor source of nickel.
一种黄色矿物，含硫化镍，是少量镍的来源。
purple, orange, black, white, blue and grey.
紫色、橙色、黑色、白色、棕色、蓝色和灰色。
rtndzina, terra fusca and cerra rossa
黑色、棕色和红色石灰土
Of or related to melanin; black-pigmented.
黑色素的黑色素的，有关黑色素的；含有黑色色素的
his hair was straight and it was dark, very dark.
他是直头发，黑色的，很黑。
as Black as jet
像黑色大理石一样黑
A black variety of garnet.
黑榴石一种黑色石榴石
Any of several black or dark-colored fishes, especially the pollock or sablefish.
煤黑鱼任一种黑色或深黑色鱼，尤指绿鳕和黑鱼
fawn-colored jay with black-and-white crest and blue-and-black wings.
浅黄色松鸦，黑白色羽冠，蓝黑色翅膀。
A dark grayish brown to black or dark purplish gray.
炭黑深灰棕色至灰黑色或深紫灰色