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antibacterial treatment
    Cu-ion implantation was carried out at energies from 60keV to lOOkeV for doses ranging from 0.2 1017cm-2 to 8 1017cm-2. Antibacterial treatment at 400-700 C for 1-6 hours was applied to make the copper-rich phase precipitate dispersedly and homogeneously.
    Cu离子的注入采用60keV和100keV的能量,0.2~8×10~(17)/cm~2的剂量范围。 随后的抗菌处理采用400~700℃,保温1~6小时的工艺使具有杀菌作用的富铜相在不锈钢中弥散、连续析出。
    Stainless steel got the best antibacterial property against Escherichia coli and Staphylococci by copper ions implantation with 100keV, 8 1017cm-2 and antibacterial treatment at 500癈 for 4 hours subsequently.
    在100keV,8×10~(17)/cm~2的条件下注入Cu离子,再经过500℃、4小时的抗菌处理是使不锈钢对大肠杆菌和葡萄球菌都具有良好抗菌性能的最佳工艺。
    Abundant phase of Cu9.9Fe0.1 precipitated in the surface as form of acicular after antibacterial treatment at 500 C for 4 hours, and then steel possessed antibacterial property against Escherichia coli and Staphylococci.
    经过500℃、4小时抗菌处理后,不锈钢中大量析出了针状的Cu_(9.9)Fe_(0.1)相,使不锈钢获得了对大肠杆菌和金黄色葡萄球菌均良好的杀菌效果。
    But new phases such as Cu9.9Fe0.1, Fe4U3 were formed by antibacterial treatment, the existing forms of Cu become diversity. Antibacterial property of stainless steel attributes to these Cu contained phase and Cu rich phase. All of these new phases are defined as antibacterial phases of antibacterial stainless steel prepared by Cu ions implantation.
    经抗菌处理后,铜生成新的相,以化合物及原子的形成存在,它们是Cu、Cu_(9.9)Fe_(0.1)及Fe_4Cu_3、,这些相统称为铜离子注入制备抗菌不锈钢的抗菌相。
    An active molecule-chitosan was introduced into the leather making process. The following factors that influence the physical and antibacterial properties of leather were analyzed: quantities of the chitosan, time of the antibacterial treatment, pH values and temperatures of antibacterial treatment.
    在皮革生产的湿加工中,向皮革胶原纤维上引入具有生物活性的壳聚糖分子,并分析了壳聚糖用量的变化、抗菌处理时间的变化、抗菌处理pH值的变化以及抗菌处理温度的变化等因素,对皮革物理性能和抗菌性能的影响。
    Effects of Antibacterial Treatment on Microstructure and Properties of Copper-bearing Ferritic Stainless Steel
    抗菌处理对含铜铁素体不锈钢组织和性能的影响
    Copper layer's microstructure, organization and concentration profile were observed before and after implantation and antibacterial treatment by GXRD, TEM and AES.
    对Cu离子注入前后、抗菌处理前后不锈钢样品进行GXRD、TEM及AES分析、检测了Cu离子在不锈钢的微观组织和结构。
    After the antibacterial treatment at 500 C for 4h, thecopper ions diffused into deeper location of stainless steel, so the concentration profile became gentle and the depth was increased to 300nm.
    经过抗菌处理后,Cu离子向基体中扩散,深度增加至300nm,峰值浓度下降至13%。
    The optimal antibacterial process is a treatment at 500 C for 4h. Stainless steel which was implanted with a dose of 5.0 1017 ions cm-2 at the energy of 1 OOKeV then treated with optimal antibacterial treatment performs excellent antibacterial property against both E. coli and Staphylococcus aureus (S. aureus).
    最佳抗菌处理工艺为500℃保温4h,对100KeV注入能量,5.0x10~(17)ions/cm~2注入剂量的不锈钢进行抗菌处理后,不锈钢表现出优异的抗大肠杆菌和金黄色葡萄球菌效果,减菌率均在99%以上。
    coli and antibacterial treatment endows the sample with anticolibacillary and anti-staphlococcus aureus property. It is also found that,when Cu ions approach saturation,the anti-bacterial property is the best.
    抗菌实验结果表明,铜离子注入试样具有良好的抗大肠杆菌的效果,抗菌处理使得试样具有优良的抗大肠杆菌和金黄色葡萄球菌的效果,且注入量接近饱和注入量时,样品具有最佳的抗菌性能。
    In order to clarify and predominate the effects of antibacterial treatment on the microstructure and characteristic of copper-bearing ferrite stainless steel,the solution treatment and aging treatment were carried out.
    试验钢进行了固溶及时效的抗菌处理,分析和研究了处理后含铜铁素体不锈钢组织和性能。
    Combining the unique electrolyte polishing technique for stainless steel with the imaging principle of back scattering electro-crystal tropism,SEM,TEM and EDS equipment were employed to analyze the shapes,sizes,distribution and composition of the precipitation phases. The mechanical properties,cupping values and hardness of tested materials before and after antibacterial treatment were measured and analysed.
    采用不锈钢电解抛光技术与背散射电子的晶体取向衬度成像原理相结合,利用扫描电子显微镜(SEM)、透射电子显微镜(TEM)及能谱仪(EDS)对析出相形状、大小、分布及其成分进行了研究,测定和对比了试验钢抗菌处理前后的力学性能、杯突值和硬度值。
 

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