腐蚀状态

The Implementation Regulations specifically provide that fixed assets qualified for accelerated depreciation allowance include:(1) fixed assets fast becoming obsolete; and (2) fixed assets in a state of vibration and being exposed to high degree of erosion.

实施条例据此明确，可以享受这一优惠的固定资产包括：由於技术进步，产品更新换代较快的固定资产；常年处於强震动、高腐蚀状态的固定资产。

The results show that proper RRA heat treatment can improve SCC properties with retention of the high strength of T6 level. After preaging at 100℃for 24 h, retrogression at 200℃for 7 min, and reaging at 100℃for 24 h, the ultimate tensile strength, yield strength and elongation of the alloy are 795 MPa, 767 MPa and 9.1%, respectively. Meanwhile the failure time of the alloy applied to tensile strength of 210MPa in 3.0%NaCl+0.5%H2O2corrosion condition is longer than 720 h. The corresponding TEM observation shows that after retrogression for 7 min and re-aging treatment, the microstructure of grain boundary is similar to that treated in the T73 condition with coarsen and isolated distribution, and the microstructure inside grain is similar to that treated in the T6 condition with small and homogeneous distribution.

研究结果表明：在峰值时效T6状态下合金强度高，但抗应力腐蚀性能差；采用合适的RRA热处理工艺既能使合金保持T6状态下的高强度的同时，又能显著改善合金的抗应力腐蚀性能；经回归7 min RRA处理后合金的晶界类似T73态析出相聚集粗化，而晶内类似T6态析出相细小弥散分布，在拉伸应力为210 MPa和3.0%NaCl+0.5%H2O2腐蚀液中，其断裂时间大于720 h，相应的抗拉强度、屈服强度和延伸率分别为795 MPa， 767 MPa和9.1%，显示优越的综合性能。

The results show that proper RRA heat treatment can improve SCC properties with retention of the high strength of T6 level. After pre-aging at 100 ℃ for 24 h, retrogression at 200 ℃ for 7 min, and reaging at 100 ℃ for 24 h, the ultimate tensile strength, yield strength and elongation of the alloy are 795 MPa, 767 MPa and 9.1%, respectively. Meanwhile the failure time of the alloy applied to tensile strength of 210 MPa in 3.0%NaCl+0.5%H2O2 corrosion condition is longer than 720 h. The corresponding TEM observation shows that after retrogression for 7 min and re-aging treatment, the microstructure of grain boundary is similar to that treated in the T73 condition with coarsen and isolated distribution, and the microstructure inside grain is similar to that treated in the T6 condition with small and homogeneous distribution.

研究结果表明：在峰值时效T6状态下合金强度高，但抗应力腐蚀性能差；采用合适的RRA热处理工艺既能使合金保持T6状态下的高强度的同时，又能显著改善合金的抗应力腐蚀性能；经回归7 min RRA处理后合金的晶界类似T73态析出相聚集粗化，而晶内类似T6态析出相细小弥散分布，在拉伸应力为210 MPa和3.0%NaCl+0.5%H2O2腐蚀液中，其断裂时间大于720 h，相应的抗拉强度、屈服强度和延伸率分别为795 MPa， 767 MPa和9.1%，显示优越的综合性能。

The results show that proper RRA heat treatment can improve SCC properties with retention of the high strength of T6 level. After pre-aging at 100℃ for 24 h, retrogression at 200℃ for 7 min, and reaging at 100℃ for 24 h, the ultimate tensile strength, yield strength and elongation of the alloy are 795 MPa, 767 MPa and 9.1%, respectively. Meanwhile the failure time of the alloy applied to tensile strength of 210 MPa in 3.0%NaCl+0.5% H2O2 corrosion condition is longer than 720 h. The corresponding TEM observation shows that after retrogression for 7 min and re-aging treatment, the micro- structure of grain boundary is similar to that treated in the T73 condition with coarsen and isolated distribution, and the microstructure inside grain is similar to that treated in the T6 condition with small and homogeneous distribution.

研究结果表明：在峰值时效T6状态下合金强度高，但抗应力腐蚀性能差；采用合适的RRA热处理工艺既能使合金保持T6状态下的高强度的同时，又能显著改善合金的抗应力腐蚀性能；经回归7min RRA处理后合金的晶界类似T73态析出相聚集粗化，而晶内类似T6态析出相细小弥散分布，在拉伸应力为210 MPa和3.0%NaCl+0.5%H2O2腐蚀液中，其断裂时间大于720h，相应的抗拉强度、屈服强度和延伸率分别为795 MPa，767 MPa和9.1%，显示优越的综合性能。

Effect of magnetic field on open circuit corrosion and polarization resistance for iron in sulfuric acid containing dichromate .

含重铬酸根硫酸溶液中磁场对铁自腐蚀状态及极化电阻的影响。

The results show that the naturally-aged 2195 alloy has the best intergranular and exfoliation corrosion resistance. The intergranular and exfoliation corrosion are accelerated with prolonging the increasing aging time at 160℃, which is in accord with the results of polarization tests in IGC solution.

结果表明： 2195合金在自然时效状态下具有较好的抗晶间腐蚀和剥落腐蚀能力，但随着在160℃时效时间的延长，其晶间腐蚀与剥落腐蚀倾向逐渐增加；在剥落腐蚀溶液中进行的极化曲线测试也表现出相同的趋势。

The kinetics of the inner layer film growth at open-circuit potential is approximately logarithmic.

在自腐蚀状态下，内层膜的生长近似服从对数规律，外层膜的生长则不服从对数规律。

A new volatile corrosion inhibitor was composed by hexamethylene tetramine and other amine-inhibitors A. The electrochemical behavior of the VCI on cast iron samples was studied by thin layer electrolyte test technique which could simulate the conditions of corrosion in atmospheres.

采用乌洛脱品和胺类缓蚀剂A制成一种新的气相缓蚀剂，用模拟大气腐蚀状态的薄液膜电化学测试技术研究了复合气相缓蚀剂对铸铁试样电化学行为的影响。

With the increase of pipeline's service time, is the pipeline corroded?

由于海底管线的腐蚀是一种长期缓慢的过程，随着管线服役时间的增加，管线的腐蚀状态如何？

If fluxed parts are allowed to stand, the water in the flux will 耐腐蚀液下泵, and dried flux is 不锈钢软管型号 to flake off, exposing metal surfaces to oxidation.

如果允许涂上焊剂的部件处于直立状态，那么焊剂中的苏泊尔电磁炉会蒸发掉，而干燥的焊剂很容易脱落，致使暴露的金属表面容易被氧化。

I use an example quoted by Hu Jiaqi:"It is reported that America separates the DNA of a kind of virus by making use of genetic technology and combines it with another kind of DNA. Finally, they get a kind of virulent biological agent called a "pyrotoxin". Someone discloses in private that 20 grams of such a kind of biological agent could result in the global death of 6 billion people due to infection."

我在这里例举胡家奇所引用过的例子："据报道，美国利用转基因技术，将一种病毒的DNA分离出来，与另外一种DNA进行结合，拼结成一种剧毒的"热毒素"生物战剂，且私下有人透露，这种生物战剂只需20克，就可以导致全球60亿人全部感染死亡。"

Waiting, for the queers and the coons and the Reds and the Jews.

等待着疯子和黑人还有红色共产主义者还有犹太人