Ammonia corrosion of condenser copper tubes in the air removal section cannot be avoided as a result of ammonia collection and existence under super cooling condition.
由于氨的聚集与氧的存在,在凝汽器空冷区出现过冷度的情况下,铜管的氨腐蚀是不可避免的。
Super-thick oxide films on copper and copper alloy parts heat-treated at high temperature make it very difficult for chemical polishing of the parts.
铜及铜合金制品经高温氧化后氧化皮过厚,进行化学抛光处理难度较大。
The heat analysis of binary current leads which consist of copper current lead and high temperature super conducting was made on condition that the lead was cooled by two-stage refrigerator.
对在两级制冷机传导冷却下由高温超导和铜组成的二元电流引线进行热分析。
This area has the character of the porphyry copper multi metal metallogenic system of hypabyssal-super hypabyssal rock from deep source.
本区具深源浅成-超浅成斑岩铜多金属成矿系列特征。
Located in Mengzi county, Yunnan province, Bainiuchang deposit is a super-large poly-metal deposit with silver, lead, zinc, tin and copper.
白牛厂银多金属矿床,位于云南省蒙自县老寨乡白牛厂村,是一个以银、铅、锌、锡、铜金属为主的超大型矿床。
The company has formed over Category 5, Category 6, super six copper cabling, fiber optic cabling system, the broadband residential cabling system, home wiring systems for several major products.
公司现已形成超5类、6类、超六类铜缆布线、光纤综合布线系统,宽带小区综合布线系统,家居布线系统等几大系列产品。
The result shows the inhibitor is a super rust inhibitor for steel, copper and aluminum.
结果表明产品对钢、铜、铝等金属有良好的防锈作用。
The process can be applied for the surface treatment of copper and copper alloy parts with super-thick oxide films and has a good effect.
该工艺用于超厚氧化皮铜及铜合金零件表面处理,效果较好。
The invention discloses a method for manufacturing a porous conductive nanometer copper film with super-hydrophobic performance, belonging to the surface technical field.
具有超疏水性能的多孔导电纳米铜薄膜材料的制备方法属于表面技术领 域。
This standard solution was accurately prepared in super-clean laboratory with highly pure metal copper and sub-packed in 20 ml ampoules.
本标准溶液以高纯金属铜片在超净实验室中准确配制并分装于20毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with highly pure metal copper and sub-packed in 20 ml ampoules.
本标准溶液以高纯金属铜片在超净实验室中准确配制并分装于20毫升安瓿中。
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