钝化
- passivation;inactivation;deactivation
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(1) [passivation]
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(2) 在半导体表面上生成一层能促进电性能稳定的氧化层,通常将晶体管表面与周围电的和化学的条件相隔离,以减少反向漏电流,提高击穿电压,增加功耗的定额
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(3) 金属经强氧化剂或电化学方法氧化处理,使呈钝状的过程
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(4) [inactivation]∶催化剂、血清等活性的破坏
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钝化反应速率常数的升高会导致体系Pw与PI的降低。
The higher deactivation rate constant is , the lower Pw and PI are .
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聚烯烃金属钝化剂的原理及应用技术
The Philosophy and Application Technology of Metallic Deactivation Agent for Polyolefin
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本节只讨论其中的两类:金属离子钝化剂和过氧化物分解剂。
Only two types will be included in present discussion : metal-ion deactivators and peroxide decomposers .
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最后分析了H原子对硅片钝化的微观机理。
At last explain the microcosmic mechanism in how hydrogen atom passivate silicon .
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钝化处理对GaN基LED反向漏电流特性的改善
Improvement on GaN-based LED Reversed Leakage Current Characteristic by Passivation Process
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Si(100)&As表面钝化作用和氧吸附
Passivation Effect and Oxygen Adsorption of Si ( 100 ) - As Surface
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β-GaS钝化的GaAs表面的光电子能谱
Photoelectron Spectra on β - GaS Passivated GaAs ( 100 ) Surfaces
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试验结果表明:高静压处理可显著钝化草莓POD活性。
Experimental results showed that high hydrostatic pressure could passivate POD significantly .
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用XPS研究铅铜合金钝化膜
An XPS Study of passive films of aluminum - copper alloy
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Gr/Al复合材料表面镀覆双层金属黑色钝化膜的工艺研究
Study of double layer passivation black coating on Gr / 6061Al composite surface
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Al-Mg(Cu)合金钝化膜的XPS深度剖析
Analysis of passive films of Al Alloys by XPS depth profile
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表面钝化对GeMOS电容可靠性的影响
Effects of Surface Passivation on Reliability of Ge MOS Capacitors
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Na2S钝化的GaAs表面光荧光特性的研究
Study of photoluminescence character on GaAs surface passivated by Na_2S
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GaAs表面硫钝化研究新进展
Recent developments in GaAs surface passivation by sulfur
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钝化剂NaNO2的缓蚀作用
The Inhibition of Passivator NaNO_2
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氢对GaAs薄膜的钝化作用
Hydrogen Passivation Effect on GaAs Thin Films
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铬铝复合钝化膜的XPS研究
An XPS Study of Cr-Al composite passive films
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熔化极Al-Si合金焊丝表面的钝化处理
Passivation Treatment of Melting Pole Al-Si Alloy Welding Wire Surface
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另外,微波前处理可以增加芦笋热水温烫处理过程中维生素C降解的活化能并且减小过氧化物酶钝化的活化能。
In addition , microwaves pre-treatment could increase the activation energy of ascorbic acid degradation and decrease the activation energy of peroxidase inactivation during water blanching of asparagus .
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SiO2钝化腹对硅/玻璃静电键合的影响
Role of SiO_2 Film in Si / Glass Bonding Technology
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F钝化效应体现在:(1)降低了界面势垒高度(仅为~5meV),增加了载流子的迁移率;(2)淬灭了与缺陷相关的ZnO可见发射,提高了紫外发光效率。
F passivation ( 1 ) significantly decreases the grain boundary potential barrier ( ~ 5 meV ), thus increasing carrier mobility ;
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铝含量对Fe-30Mn-(1~9)Al合金阳极钝化性能影响的研究
The Effect of the Aluminium Content on the Anodic Passivation Behaviour of Fe-30wt % Mn - ( 1 ~ 9 ) wt % oAl Alloys
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结果表明,X70钢在高pH溶液和近中性pH溶液中的阳极极化曲线表现出明显的差异:在高pH溶液中有明显的活化-钝化转变而在近中性pH溶液中则无;
The anodic polarization curves showed different features in near-neutral pH and high pH solutions in terms of active-passive transition behavior .
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同时器件的脉冲测试结果显示,SiN钝化对大栅宽器件的电流崩塌效应不能彻底消除。
Through the pulsed test , the current collapse of large gate width HFET passivated by SiN still appears .
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模型以氢钝化SiC表面悬挂键,降低SiC表面的界面态密度,消除了费米能级钉扎,获得理想的SiC表面。
The density of surface states is lowered to unpin the Fermi level because the hydrogen passivated dangling bonds of the surface .
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氢对硅中4d过渡杂质的钝化
Hydrogen Passivation of Deep Level Related to 4d Transition Impurities in Silicon
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电化学测试表明水质中pH值、腐蚀性离子、水温等对无钝化膜铜材料的腐蚀速率均产生影响。
Electrochemical tests showed that the pH value in water , corrosive ions , water temperature had an impact on the corrosion rate of copper without passive film .
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对敏化的不锈钢电极,在不同的电极电势范围内,钝化膜显示出n-型或p-型半导体的特性。
The results of the photocurrent measurements indicated that the passive films on sensitized stainless steel showed characteristics of n type or p type semiconductors , respectively , under various potential region .
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红子果实氧化酶活性相当强,这是保鲜果低温贮藏、加工果钝化酶活性利于VC保存的依据;
The oxidase activity of fruit is very high , it is the basic for protecting Vc of storing fruit under low temperature and inactivating enzymatic activity to processed fruit .
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316L不锈钢无铬钝化工艺研究
Technique of chromium-free passivation of 316L stainless steel