表面电阻率
- 网络Surface Resistivity;Surface resistance;ohm
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Fe离子注入Al2O3陶瓷改变其表面电阻率的研究
Study of Surface Resistivity Modification in Al_2O_3 Ceramics by Fe ~ ( 2 + ) ions Implantation
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由于PE和PP具有极高的体积电阻率和表面电阻率而导致静电荷的积累,因此在使用中经常发生静电危害。
However , because of ultra-high bulk resistivity and surface resistivity of PE and PP materials , the articles made of PP or PE have notorious static problem .
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结果表明,随离子注入的种类不同、剂量的变化、温度的升降,PET膜的表面电阻率呈规律性变化。
The results show that the specific surface resistance of the PET film decreases regularly with increasing implanting dose and growing temperature .
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在可见光照射下,分解甲基橙的时间为48h;膜表面电阻率为5.9×107Ω·cm。
The time for methyl orange decomposition is 48 h under visible light and electric resistivity coating is 5.9 × 10 ~ 7 Ω· cm .
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通过水洗试样后测试其表面电阻率变化,对比了几种抗静电剂在HDPE树脂中不同的析出速度;
The changes of the surface resistence were determined after the sample was washed with water and the separating rate of the agent in HDPE was compared .
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分析了固态和液态抗静电剂在HDPE中混合使用与单组分抗静电剂在HDPE中使用的表面电阻率变化情况;
The surface resistance of HDPE blended with solid and liquid antistatic agents and that of HDPE blended with only solid or liquid antistatic agent were analysed .
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母粒与树脂基体的比例分别为1:10、1:15时,就能使ABS、HIPS树脂的表面电阻率降至10~(11)Ω。
When base resins ABS and HIPS mixed the masterbatch with a ratio off 1:10 and 1:15 respectively , the surface resistance became less than 1011 and the excellent antistatic performance could be obtained .
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为消除静电危害,工业上一般将材料的表面电阻率限制在10~(12)Ω/sq.以下。
To minimize these hazards , the surface resistivity of materials will be generally limited below 10 ~ ( 12 )Ω / sq.
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然而软质PVC材料表面电阻率高达10~(14)~10~(17)Ω,容易产生静电,可导致化工库、油库、煤矿等起火爆炸和电子元器件失效等事故。
However , the surface resistivity of PVC materials is high to 10 ~ ( 14 )~ 10 ~ ( 17 )Ω It is easy to produce static electronic , which can lead to fire , explosion in many fields and the invalidation of electronic component .
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将改性鱼油加入PP后,可降低PP的体积电阻率和表面电阻率,且PP的拉伸强度变化不大,冲击强度略有提高,因而改性鱼油可作为PP的抗静电剂使用
And the addition of modified fish oil could reduce the volume resistivity and surface resistance of PP , resulted in a little change of the tensile strength but some increase of impact strength of PP Modified fish oil could be used as a kind of better antistatic agent for PP
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镀后杨木单板的表面电阻率很低,而电磁屏蔽效能较高,在9kHz~1.5GHz,可达到60dB左右。
The surface resistance of electroless plated poplar veneer was very low . However , the electromagnetic shielding effectiveness was high and close to 60 dB at frequencies from 9 KHz to 1.5 GHz .
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真空环境下电介质表面电阻率测试方法及其影响因素
Measurement Method and Influence Factors of Surface Resistivity of Dielectric in Vacuum Environment
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聚合物表面电阻率测试方法研究
Study on the test method of polymer surface resistivity
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接触表面电阻率及其对屏蔽效能的影响
Contact Surface Resistivity Its Effect on Shielding Effectiveness
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玻璃衬底表面电阻率试验方法
Measuring methods of surface resistivity for glass substrates
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导电石墨用量及施工工艺对涂层表面电阻率的影响
Influence of Amount of Conductive graphite and Application Technology on Surface Resistivity of Coatings Film
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采用对甲苯磺酸和硫酸共掺杂,当对甲苯磺酸和硫酸的摩尔比为2∶1时,可获得最佳的掺杂效应,表面电阻率达85Ω·cm~(-2)。
Cm ~ ( - 2 ) when sulphuric acid and p-toluene sulphonic acid were used as dopants respectively .
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本研究制备的聚吡咯/纸浆纤维导电纸,成本节约、表面电阻率低,具有较好的导电稳定性。
The conductive paper prepared in this study had low surface resistivity , good conductive stability and the cost could be reduced .
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抗静电剂添加量为2.5%时,表面电阻率为1×10~(12)Ω。
Surface resistivity of polypropylene is 1 × 10 ~ ( 12 )Ω when the content of anti-static agent is 2.5 % .
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随碳纳米管含量增加,聚酰亚胺薄膜的表面电阻率和体积电阻率都有明显降低,并存在一个阈值;
With the concentration increase of carbon nano-tube , the surface and volume conductivity decreased , and there were a conductive threshold .
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随着金属镍沉积量的增加,化学镀镍单板的表面电阻率下降,导电性增加,化学镀镍单板的导电性具有各向异性。
Along with the increase of metal Nickel deposition , the surface resistivity of nickel-plated veneers decreases , while its conductivity increases and have anisotropy .
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铝掺杂氧化锌晶须的添加量为12%(质量分数),使聚苯硫醚的表面电阻率降低到2.0×1010Ω。
When the weight of Al-doping zinc oxide whiskers is about 12 wt % , the surface resistance of PPS composites decreased to 2.0 × 1010 Ω .
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该涂料既耐高温(200~300℃),耐各种腐蚀介质,又导电(表面电阻率<10Ω)。
This coatings has the features of heat resistance ( 200 ~ 300 ℃), corrosion protection in various corrosive media as well as the conductivity ( surface resistivity < 10 Ω ) .
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进一步分析表明:锰铬掺杂降低了氧化铝陶瓷的表面电阻率和表面二次电子发射系数,从而使其具有更强的沿面绝缘能力。
Further analysis indicated that both the surface resistively and the secondary electron emission coefficient of the doped alumina ceramic are decreased , which resulted in the improvement of its surface insulating performance .
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降低涂层的体积电阻率或表面电阻率,可采用三种途径:添加导电填料,加入抗静电剂,利用具有本征导电功能的高聚物成膜物质。
Reduction of the volume resistivity or surface resistivity can be achieved through the following ways : addition of antistatic fillers , addition of antistatic agents and use of conductive polymer film former .
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通过对钙塑纸的二次涂布加工,有效地降低了表面电阻率,提高了油墨吸收性和干燥性,提高了可印性,从而赋予钙塑纸以全新的纸化性能。
Through the coating processing the resistance rate of the surface of the paper has been effectively reduced . The absorptivity and dryness of the ink and the printability of the paper have also been improved .
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最后,本文通过超声辅助分散的方法将所得的改性石墨烯分散在环氧树脂中制备了抗静电涂层,并研究了固化时间、还原剂、还原时间等因素对涂层表面电阻率的影响。
Finally , the as-synthesized graphenes were dispersed into epoxy resins by sonication in ice bath and the effect of curing time , reducing agent and reducing time on the surface resistivity of coating were also investigated .
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以此为基础,考察了阻燃剂不同用量对材料的拉伸强度、冲击强度、氧指数、表面电阻率、烟密度等级等性能的影响,比较了阻燃剂不同用量时材料的综合性能。
Based on this , the influences of different amount of flame retardant on properties , including tensile strength , impact strength , oxygen index , surface resistance , smoke density grade of material were studied , too .
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本文论述了电晕放电法产生臭氧的机理和沿面放电用电极的结构及影响因素,认为提高电介质的介电常数、表面电阻率和降低电介质的厚度可以提高臭氧发生器的效率。
The authors analyze the mechanics of ozone generated by corona discharge and the elements of surface discharging electrode and conclude that heightening the inductivity and the surface resisitivity of the dielectric and decreasing the thickness of the dielectric can increase the productivity of the ozone generator .
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平行于纤维方向的表面电阻率要低于垂直于纤维方向的表面电阻率,在本实验所测定的范围内,化学镀镍单板垂直于纤维方向的表面电阻率是平行于纤维方向表面电阻率的3.45~1.34倍。
The surface resistivity of parallel fiber direction is lower than that of perpendicular to fiber direction , in the scope of this laboratory measurements , the surface resistivity nickel-plated veneers of perpendicular to fiber direction is 1.34 & 3.45 times as high as that of parallel to fiber direction .