查询词典 corrosion

The causes for corrosion,sources of corroding material and measures for prevention of chlorine corrosion were discussed.

本文着重讨论了氯腐蚀的原因，腐蚀物来源，氯腐蚀的防护方案，以及该厂装置遇到的一些问题和采取的办法及相应的效果。

The corrosion of steel reinforcing bars is always be a important problem in the Reinforced Concrete , especially when the RC structures are exposed to deteriorative environments , it could lead to corrosion of the reinforcing steel .

中文摘要钢筋腐蚀一直是传统钢筋混凝土的一个重要课题，尤其是在恶劣的腐蚀环境下，钢筋锈蚀会降低结构物的承载能力和寿命。

To solve the problems less valid data in thermal infrared imager, uneasy dipartite corrosion area in image and lower the signal to noise ratio which happened in detection of structure parts hidden corrosion by thermal wave imaging, the improved PCA based on the wavelet was presented.

针对飞机结构隐藏腐蚀热波成像检测中出现的热像仪中有用数据较少、图像序列中腐蚀区域与非腐蚀区域对比不明显、信噪比较低等问题，提出了基于小波变换的改进PCA算法。

The paper solved the problems of less valid data in thermal infrared imager,impurity being on surface of specimen and uneasy dipartite corrosion area in image which happened in detection of structure parts' hidden corrosion by thermal wave imaging.Firstly,the contrast of one unheated image was enhanced by self-adaptive mathematical morphology sharpening,and then location of the impurity was confirmed by change of the image grads.

针对飞机结构隐藏腐蚀热波成像检测中出现的试件表面存在杂物、热像仪中有用数据较少、图像序列中腐蚀区域不明显等情况，首先通过对加热前的一幅图像进行自适应形态学锐化处理，提高图像的对比度，并根据图像梯度的变换情况确定出杂物的位置。

The corrosion circumstance and corrosion mechanism form the tip of distillatory tower were elucidated,and efficacious countermeasure were introduced.

本文对独山子石化公司炼油厂加工哈国进口原油蒸馏造成蒸馏装置常压塔顶的腐蚀问题进行论述，阐明了蒸馏装置常压塔顶腐蚀环境及腐蚀机理，介绍了所制定的有效的防护措施。

A bis-imdazoline corrosion inhibitor JUC was synthesized by reacting with divinyl three amine,and its quaternary ammonium JUCI was also synthesized for corrosion inhibition in acids.

以己二酸、二乙烯三胺为原料合成了双环咪唑啉缓蚀剂JUC，并对其季铵化后得到了适于酸化用的双环咪唑啉季铵盐缓蚀剂JUCI；采用静态挂片失重法对合成的缓蚀剂在酸化条件下的缓蚀性能及与非离子表面活性剂SA-1复配后的缓蚀性能进行了评价研究。

Electrochemical corrosion measurements results indicated that the polyaniline nanofibers synthesized by direct mixed reaction have more excellent corrosion protection than conventional aggregated polyaniline for mild steel. In general, the emeraldine salt shows better anticorrosion performance than emeraldine base in 3.5% NaCl aqueous solution.

电化学测试技术研究表明，直接混合反应法合成的聚苯胺纳米纤维具有比常规聚苯胺更好的防腐蚀性能；在3.5%NaCl溶液中，掺杂态聚苯胺产物的防腐蚀性能优于解掺杂态聚苯胺产物。

A new corrosion-scale inhibitor composed of citric acid/hydroxy ethylidene diphosphonic acid/polyitaconic acid-styrene sulfonic acid copolymer exhibited a good inhibition efficiency on corrosion and scale-forming, it can be used in circulating cooling water systems.

新型缓蚀阻垢剂柠檬酸/羟基乙叉二膦酸／聚衣康酸-苯乙烯磺酸有优良的抗腐蚀性能和阻垢性能，可用于循环冷却水系统。

Corrosion kinetics were measured gravimetrically,and corrosion product scales were physically examined and chemically analyzed.

测定涂盐的 Fe-Cr合金于 O_2-0.1、0.5和1.0%(SO_2+SO_3)气氛中在560～750℃温度区间腐蚀动力学曲线，并对腐蚀产物进行物理观察和化学分析。

Research progress on accelerated corrosion test method which can evaluate the corrosion protecveness of the post tensioning grouts is reviewed.

综述了近期国内外在后张预应力结构灌浆材料加速腐蚀实验方面的研究进展。

Until now the drug melarsoprol was used to treat patients in the advanced stage of sleeping sickness.

直到现在，美拉胂醇依然被应用在昏睡病晚期病人的治疗中。

The larger gear at center is about 80 microns wide.

大齿轮的中心是在大约80微米宽。