这个旧式的衬里有一个闪光的青铜表面。
文物:秦青铜三棱箭镞,表面经过特殊防锈处理,形制规整划一。
Triangular Bronze Arrowhead of Qin Dynasty: Its surface received special antirust treatment and it has a neat shape.
在铍青铜合金上电镀铝,需在镀铝前作特殊的表面活化处理,镀铬时也有不同于钢铁件镀铬的操作方法。
Special treatment is recommended to activate beryllium copper surface before chromium plating. And special steps which differ from conventional chromium plating on steel parts are to be taken.
利用光学金相和电子探针等分析手段,对铅青铜轴套内表面出现凹坑及碎粒造成的磨损失效进行了分析。
The failure mechanism of lead bronze shaft sleeves with many pits on their internal surface is analyzed by optical metallograph and EPMA.
日晷由锡青铜铸造,其铸造技术的关键是防止大平面的变形和保证良好的充型以获得完整、清晰的表面。
The key issues for bronze gnomon casting with integrated and clear surface in investment casting in plaster mold involves to prevent large plate from deformation and to ensure full mold filling.
该产品是以优质低碳钢板为基体,中间烧结一层多孔青铜层,表面轧制一层POM混合物。
The product is made of high quality low-carbon steel with sintering porous bronze as its interlayer, with the compound of POM as its surface.
该产品是以不锈钢为基体,中间烧结多孔青铜层,在表面轧制以PTFE为主的混合物,可在中酸、强酸中使用。
The product is based on stainless steel plate with sintering porous bronze layer and rolled PTFE compound 0n the surface. It can be used in strong acid and alkaline.
以优质的低碳钢为基体,表面烧结锡青铜合金,经过多次烧结轧制而成。
It is made of high quality low-carbon steel, and rolled copper alloy as its surface.
该产品以优质低碳钢为基体,中间烧结球形青铜层,表面轧制聚四氟乙烯和铅的混合物。
SF-1 carbon steel self-lubricating bearings used high quality low-carbon steel plate as base, sintered porous bronze as its interlayer and the Compound of PTFE and Lead as its surface.
本文对空气和水流过烧结青铜颗粒水平多孔槽道表面上的对流换热进行了实验研究。
Forced convection heat transfer of water and air in plate channels filled with sintered spherical particles was investigated experimentally.
应用显微拉曼光谱和电子探针技术,对云南禄丰出土的元代铜镜腐蚀情形进行研究,确定了铜镜本体及其表面腐蚀产物的成分,并初步分析了元代青铜镜采用的防腐技术。
Here Raman microscopy and electro probe technique were used to identify the corrosion products and their locations on and within of ancient Yuan Dynasty bronze mirror from Lufeng of Yunnan province.
应用显微拉曼光谱和电子探针技术,对云南禄丰出土的元代铜镜腐蚀情形进行研究,确定了铜镜本体及其表面腐蚀产物的成分,并初步分析了元代青铜镜采用的防腐技术。
Here Raman microscopy and electro probe technique were used to identify the corrosion products and their locations on and within of ancient Yuan Dynasty bronze mirror from Lufeng of Yunnan province.
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