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Alloy 20cb-3-- This alloy has higher amounts of nickel and chromium than 300 series stainless steel and with the addition of columbium.

合金20Cb-3--与300系列不锈钢相比,这种合金的镍和铬含量更高,此外,还增加了钶元素。

The conversion rate of cupric and chromic ions can reach more than 90%.

铬组分和铜组分的回收率均在90%以上。

After so many years of brushed chrome and nickel, look for warmer shades -- coppery, bronze-y tones -- to prevail.

在磨砂铬和镍流行多年之后,追寻更温暖的色调--黄铜,青铜色来占上风。

For example: Number 1 and number 2 engine intake cowling chrome is faded.

号和2号发动机进气道的铬层褪色。

And the removal rates of Cr and Zn all exceed 60%.

浓度较高的铬、锌去除率均超过了60%。

Methods Four three-dimensional finite element models were constructed by the data of spiral CT:1Mandibular second premolar restored directly by full crown;2Fill the perforating cavity with resin material and full crown restoration;3Cast nickel chromium alloy post core plus full crown restoration;4Fiber post and resin core plus...

方法采用螺旋式CT扫描获取数据,建立下颌第二前磨牙4种情况下的三维有限元模型:1直接全冠修复;2用树脂材料充填开髓洞形后全冠修复;3铸造镍铬合金桩核与全冠修复;4纤维桩树脂核与全冠修复。

The complexation of Sc with eriochrome cyanine R and cetylpyridinium bromide were studied.

研究了微量钪埃铬菁R 溴化十六烷基吡啶之间的配合反应。

The mechanism and process kinetics on detoxication of chromic slag by microwave radiation are investigated by experiments.

通过试验研究微波辐照解毒铬渣的机理及其过程动力学。

Electroplate: 6-um nickel layer, 0.1-um chrome layer. The main body is closely overlaid with plate layer. The copper material products all pass ISO9227(GB10125) tests, with a 96 Hs neutral salt fog above, and pass ISO6988 SO2 decay tests under the usual dewiness, reaching 8 grades above for 72 hours.

电镀镀层:镍层6um,铬层0.1um 以上,镀层与基体覆盖致密,铜基材产品均通过 ISO9227( GB10125)中性盐雾实验96H 达到8级以上,并通过 ISO6988通常凝露状态下的 SO2腐蚀实验,72小时达8级以上。

The standard Determination of the chemical oxygen demand is dichromate method , with the most widespread application.

测定化学需氧量的标准方法是重铬酸盐法,应用最为广泛。

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In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。

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