碳钢

The anticathode of polarization curve of carbon steel with SAMs by changed- electrical voltage method suggested that carbon steel is passivation state in the rust medium.

采用动电位扫描法对成膜碳钢试样测试的阳极极化曲线显示，碳钢在腐蚀介质中处于钝化状态。

Carbon steel is widely used in many fields.

由于碳钢材料在许多领域有着非常广泛的应用，所以研究碳钢的无损探伤规律具有很重要的现实意义。

The result indicates that the high pH concrete pore solution can reduce corrosion of Cl~ on the carbonize steel.

结果表明，高pH值的混凝土孔隙液能减缓氯离子对碳钢的腐蚀；当pH≥13.6时，在NaC l浓度小于3%的混凝土孔隙液中，碳钢表面因生成钝化膜而不被腐蚀；当pH≤9时，混凝土孔隙液中无论是否存在C l-，碳钢均会被腐蚀；当pH=12.5时，混凝土孔隙液中NaC l浓度小于0.05%，碳钢则不被腐蚀；当混凝土孔隙液中的C l-浓度达到临界氯离子浓度时，碳钢表面的钝化膜开始损坏而被腐蚀，碳钢的腐蚀速度随着C l-浓度的增加而增大。

The corrosion rate of plain carbon steel contacted with higher coalification such as anthracite coal is 2 to 3 times larger than that in brown coal .

在相同的其它条件下，碳钢的腐蚀速率随接触的煤的煤化度提高而增加，与发育良好的无烟煤接触的碳钢的腐蚀速率是在煤化度相对较低的褐煤中的2～3倍以上。

After deaeration of the 3.5% NaCl solution with nitrogen,only Ψc decreased markedly in comparison with that without deaeration at the same flow velocity.

结果表明：在35% NaCl流动溶液中，随着流速的增大，仅碳钢腐蚀的阴极反应作用系数急剧增大，其腐蚀率也随之增大，流体力学因素主要加速了碳钢腐蚀的阴极反应过程。

The IR spectra indicated that the functional group—COO〓 in PASP linked to the surface of carbon steel. The pitting corrosion inhibition of tungstate and BTA on carbon steel and the passivation of carbon steel in solutions containing sodium borate were studied by the measurement of polarization curves and the curves of current vs.

失重法研究钨酸钠与聚天冬氨酸对碳钢的协同缓蚀效应发现，钨酸钠与PASP对自来水中的碳钢有协同缓蚀作用，加入锌离子可产生进一步的协同作用，碳钢表面分析表明：聚天冬氨酸是以羧基在碳钢表面成键。

ABSTRACT Inhibition mechanism and the relations between inhibition efficiency and molecular structure of inhibition of carbon steel in chlorhydric acid by benzene nitriles whose inhibition is caused by chemical adsorption and quaternary ammonium salts whose inhibition is caused by physical adsorption are mainly studied from microscope through quantum chemistry calculation, and the relations between inhibition efficiency and molecular structure of inhibition of carbon steel in chlorhydric acid by benzene nitriles are studied by making use of model-constructing thought of grey theory in this paper.

本文主要通过量子化学计算，从微观角度研究了化学吸附型缓蚀剂苯腈类化合物和物理吸附型缓蚀剂季铵盐在盐酸溶液中对碳钢缓蚀的缓蚀机理和缓蚀性能与分子结构的关系；并运用灰色理论建模思想，研究了苯腈类化合物在盐酸溶液中对碳钢缓蚀的缓蚀性能与分子结构的关系。其中，通过量子化学计算，从微观角度研究物理吸附型缓蚀剂在盐酸溶液中对碳钢缓蚀的缓蚀机理和缓蚀性能与分子结构的关系，是在尝试着进行；而运用灰色理论建模思想，研究缓蚀剂缓蚀性能与分子结构的关系，是一项具有尝试性和开拓性的工作。

The results showed that for carbon steel exposed to sea water for 1~120 month, there were large quantities of SRB congregating in the internal rust layer, arid synchronously there were different numbers of heterotropic bacteria, iron bacteria and sulfide-oxidizing bacteria.

通过在海水中现场挂样，检测了碳钢内锈层中的硫酸盐还原菌、异养菌、铁细菌和硫氧化菌的数量，用SEM观察了内锈层中腐蚀性细菌的形态和分布，并测定了内锈层中的FeS含量，研究了内锈层中微生物对碳钢海水腐蚀的影响及碳钢内锈层中的微生物及其腐蚀与大型生物、锈层、温度等的关系。

The developed mortar can solve the problem of non-carbon ladle brick in wet process of construction.

针对无碳钢包砖&湿砌&施工过程中所遇到的实际问题，叙述了无碳钢包砖专用火泥的研制开发过程，新研制的火泥有效解决了无碳钢包砖&湿砌&难的问题。

In China's five major fresh water lake, Chaohu Economic Development Zone Industrial Park, Anhui Province, is very professional strength of the welding material production enterprises, the main gas-producing ordinary carbon steel welding wire, ordinary carbon Steel wire submerged arc welding, carbon steel welding J422 specifications of the pin, vol nails, round nails, galvanized wire, cold rolled ribbed steel products are sold throughout the country.

安徽省巢湖市金桥焊接材料有限公司--位于中国五大淡水湖畔，巢湖经济开发区工业园内，是安徽省内颇具实力的专业焊接材料生产企业，主要生产普通碳钢气保焊丝、普通碳钢埋弧焊丝、J422 各种规格碳钢电焊条、钢钉、卷钉、圆钉、镀锌铁丝、冷轧带肋钢筋，产品销往全国各地。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。