顺治通宝的成分红铜七成,白铜三成。
Shunzhi TongBao composition of red copper seventy percent, and thirty percent of white brass.
铜材料、英铜、紫铜、白铜、锡青铜等。
Material of copper: yellow metal, red cooper argentan and tin bronze, etc.
此鞘为白铜,刀柄残缺,刀刃双血槽,有两种挂式。
Cupronickel scabbard, fragmentary hilt, double blood slots on blade, of two hanging styles.
锡镍枪黑色、锡钴合金镀枪黑色、白铜锡代铬、无氰环保滚挂镀白铜锡。
Five, tin gun black, tin cobalt nickel alloy plating gun black, cupronickel tin and chromium, cyanogens plating cupronickel tin environmental roll.
批发采购电镀助剂-供应666无铅无镍光亮厚白铜锡(电镀助剂)批发…
The lead-free nickel free white and bright nickel substitute plating process…bright nickel substitute tin salt 30g 666 lead-free nickel free white and …
研究了真空熔铸法制备的锰白铜基铸造碳化铬复合材料的二体磨料磨损机理。
The abrasion wear mechanism of Mn copper-nickel alloy matrix-cast chromium carbide composite was studied.
铜合金线材中的黄铜线、青铜线和锌白铜线的需求量年增长速度均超过10%。
It is predicted that the market demand of wires of brass, bronze and german silver will increase by 10% annually.
在凝汽器特别是空抽区,采用B_(30)白铜管可有效地防止凝汽器铜管的氨腐蚀。
Using B30 paktong tubes in condenser, especially in air extracting area, can significantly prevent condenser tubes from corrosion.
此鞘为白铜,刀柄残缺,刀刃双血槽,有两种挂式。请版主和同行指教是那个国家的,谢谢!
Cupronickel scabbard, fragmentary hilt, double blood slots on blade, of two hanging styles. moderator and everybody please comment which country it 's from. thanks.
结果表明: 白铜管服役前的组织性能符合国家标准GB/T 8890—1998的要求;
The results show the new white copper tubes accord with national standard GB/T8890—1998.
本厂专业生成各种牌号铝铸件及各种牌号青铜,黄铜,硅青铜,镍白铜及阀门等铸件及机械加工。
Our factory specialized in generating various grades of aluminum castings, bronze, brass, silicon bronze, nickel cupronickel and valve castings and machining.
以高铬铸铁为参考材料 ,研究了真空熔铸法制备的锰白铜基铸造碳化钨复合材料的二体磨料磨损特性。
The two body abrasion wear characteristic of Mn copper nickel alloy matrix cast tungsten carbide composite has been studied using high chromium cast iron as a reference material.
初步研究了铅锌白铜线坯采用拉—停—反推—停水平连铸生产工艺,此工艺可以进行铅锌白铜线坯的生产。
The horizontal continuous-casting technology with operating procedures of drawing-stopping-pushing back-stopping for manufacturing lead copper-nickle wire has been studied preliminarily.
该书的另一贡献是提供了上百件白铜实物的科学分析结果,为鉴别中国白铜及其仿制品德国银提供了重要的科学依据。
The results of scientific analyses of more than one hundred artefacts of Paktong presented in the book are also significant to further study of the history and technology of paktong…
采用室内模拟加速试验装置,对紫铜、青铜、黄铜和白铜等几类铜及铜合金,在不同泥沙含量的海水中的冲蚀情况及腐蚀速率进行了研究。
The erosion rate and morphology of nine kinds copper and copper alloy, including brass and bronze, were investigated in sea water with different silt content through indoor simulated tests.
采用室内模拟加速试验装置,对紫铜、青铜、黄铜和白铜等几类铜及铜合金,在不同泥沙含量的海水中的冲蚀情况及腐蚀速率进行了研究。
The erosion rate and morphology of nine kinds copper and copper alloy, including brass and bronze, were investigated in sea water with different silt content through indoor simulated tests.
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