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ntc效应
相关语句
  ntc effect
    SiO_2 or ZrO_2-added samples have obvious NTC-PTC composite effects. Small addition of PbO helps to decrease ρ25 and the NTC effect.
    其中,SiO_2或 ZrO_2增强了居里点以下的 NTC 效应,降阻比可达 1个数量级;
短句来源
    In this paper, a new method of making NTCR semiconductor material was introduced, which could cut the gap of sensitive and temperature components between the international level, and was able to find the appropriate dopant material with NTC effect, combining the fact that thermal resistors have high sensitivity, controlling resistance easy and bad linearity. Then the experiment process was laid out in order.
    本文介绍了制备NTCR半导体材料的新方法,即着重于和国际水平差距很大的感温元件,结合NTC热敏电阻器灵敏度高、阻值易于调控、但线性差的实际,寻找能够产生线性NTC效应的合适的掺杂材料,同时给出规模化的实验流程。
短句来源
    The results show that among all the factors,the grain boundary composition of the materials plays the dominant role in controlling NTC effect.
    结果表明,材料的化学不均匀性对NTC效应有一定的影响,而材料的晶界成分对NTC效应起决定性的作用。
短句来源
  ntc effect
    SiO_2 or ZrO_2-added samples have obvious NTC-PTC composite effects. Small addition of PbO helps to decrease ρ25 and the NTC effect.
    其中,SiO_2或 ZrO_2增强了居里点以下的 NTC 效应,降阻比可达 1个数量级;
短句来源
    In this paper, a new method of making NTCR semiconductor material was introduced, which could cut the gap of sensitive and temperature components between the international level, and was able to find the appropriate dopant material with NTC effect, combining the fact that thermal resistors have high sensitivity, controlling resistance easy and bad linearity. Then the experiment process was laid out in order.
    本文介绍了制备NTCR半导体材料的新方法,即着重于和国际水平差距很大的感温元件,结合NTC热敏电阻器灵敏度高、阻值易于调控、但线性差的实际,寻找能够产生线性NTC效应的合适的掺杂材料,同时给出规模化的实验流程。
短句来源
    The results show that among all the factors,the grain boundary composition of the materials plays the dominant role in controlling NTC effect.
    结果表明,材料的化学不均匀性对NTC效应有一定的影响,而材料的晶界成分对NTC效应起决定性的作用。
短句来源
  “ntc效应”译为未确定词的双语例句
    The influence of chemical inhomogeneity,separate phase structure,semiconduction and grain boundary composition on the negative temperature coefficient(NTC)effect in (Sr,Pb)TiO 3 based PTC ceramics were investigated by the use of liquid chemical method.
    为了在钛酸锶铅〔(Sr,Pb)TiO3〕基PTC材料中获得较强的NTC效应,从分析可能产生较强NTC效应的原因入手,利用重现性较好的液相化学工艺考察材料的化学不均匀性、固溶性、半导化以及晶界成分等单一因素对NTC效应所起的作用。
短句来源
    Besides the positive temperature coefficient of resistance effect above the Curie temperature, it also exhibit a strong negative temperature coefficient of resistance below the Curie temperature.
    该材料的主要特性是在居里温度Tc以下呈现较强的NTC效应,而在Tc以上则表现为PTC效应。
短句来源
    It has been found by experiment that the resistance temperature characteristic of the samples is a linear one within a certain temperature range. The effect of the processing condition on the material characteristics is studied. The conducting Al x WO 3 phase with a link perovskite tungsten bronze structure has been found by investigation with XRD and XPS, which gives the ceramics semiconductivity and NTC.
    利用大功率CO_2激光烧结新工艺制备钨酸铝负温度系数热敏电阻材料,发现材料在一定温度范围内阻温特性呈线性关系.研究激光烧结工艺条件对材料特性的影响.XRD及XPS的研究发现了具有类钙钛矿结构钨青铜导电相AlxWO3,是它使材料具有半导性并有NTC效应
短句来源
    Transformation from PTC to NTC-PTC effects was observed in 4 mol% PbO-doped sample after heating-treatment at 950℃.
    而少量 PbO 则降低了陶瓷的室温电阻率和 NTC 效应。
短句来源
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  ntc effect
Furthermore, in the limited literature, the resistance-temperature curve of the material expressed a negative temperature coefficient (NTC) effect when metal was present.
      
  ntc effect
Furthermore, in the limited literature, the resistance-temperature curve of the material expressed a negative temperature coefficient (NTC) effect when metal was present.
      


Thermosensitive material of aluminum tungstate with negative temperature coefficient (NTC) has been prepared by a high power CO 2 laser. It has been found by experiment that the resistance temperature characteristic of the samples is a linear one within a certain temperature range. The effect of the processing condition on the material characteristics is studied. The conducting Al x WO 3 phase with a link perovskite tungsten bronze structure has been found by investigation with XRD and XPS, which gives...

Thermosensitive material of aluminum tungstate with negative temperature coefficient (NTC) has been prepared by a high power CO 2 laser. It has been found by experiment that the resistance temperature characteristic of the samples is a linear one within a certain temperature range. The effect of the processing condition on the material characteristics is studied. The conducting Al x WO 3 phase with a link perovskite tungsten bronze structure has been found by investigation with XRD and XPS, which gives the ceramics semiconductivity and NTC.

利用大功率CO_2激光烧结新工艺制备钨酸铝负温度系数热敏电阻材料,发现材料在一定温度范围内阻温特性呈线性关系.研究激光烧结工艺条件对材料特性的影响.XRD及XPS的研究发现了具有类钙钛矿结构钨青铜导电相AlxWO3,是它使材料具有半导性并有NTC效应

The influence of chemical inhomogeneity,separate phase structure,semiconduction and grain boundary composition on the negative temperature coefficient(NTC)effect in (Sr,Pb)TiO 3 based PTC ceramics were investigated by the use of liquid chemical method.The results show that among all the factors,the grain boundary composition of the materials plays the dominant role in controlling NTC effect.A NTC PTC composite thermistor with high performance was obtained...

The influence of chemical inhomogeneity,separate phase structure,semiconduction and grain boundary composition on the negative temperature coefficient(NTC)effect in (Sr,Pb)TiO 3 based PTC ceramics were investigated by the use of liquid chemical method.The results show that among all the factors,the grain boundary composition of the materials plays the dominant role in controlling NTC effect.A NTC PTC composite thermistor with high performance was obtained by surface modification coating method,of which the minimum resistivity is at the magnitude of 10 2 Ω·cm and the negative temperature coefficient of resistivity is better than -3.5×10 -2 °C -1 .

为了在钛酸锶铅〔(Sr,Pb)TiO3〕基PTC材料中获得较强的NTC效应,从分析可能产生较强NTC效应的原因入手,利用重现性较好的液相化学工艺考察材料的化学不均匀性、固溶性、半导化以及晶界成分等单一因素对NTC效应所起的作用。结果表明,材料的化学不均匀性对NTC效应有一定的影响,而材料的晶界成分对NTC效应起决定性的作用。通过粉体的表面改性方法可以获得高性能的NTC-PTC复合热敏电阻材料,材料的最小电阻率低(102Ω·cm),NTC温度系数高达-3.5×10-2°C-1。

Y-doped Sr_(0.5)Pb_(0.5)TiO_3 semiconductor ceramics were prepared by adding the excess PbO, SiO_2 and ZrO_2, respectively. The ceramics sintered exhibit the strong PTC effect and the jump range is of the order of five when temperature is >tC. SiO_2 or ZrO_2-added samples have obvious NTC-PTC composite effects. Small addition of PbO helps to decrease ρ25 and the NTC effect. Transformation from PTC to NTC-PTC effects was observed in 4 mol% PbO-doped sample after heating-treatment at 950℃. The results...

Y-doped Sr_(0.5)Pb_(0.5)TiO_3 semiconductor ceramics were prepared by adding the excess PbO, SiO_2 and ZrO_2, respectively. The ceramics sintered exhibit the strong PTC effect and the jump range is of the order of five when temperature is >tC. SiO_2 or ZrO_2-added samples have obvious NTC-PTC composite effects. Small addition of PbO helps to decrease ρ25 and the NTC effect. Transformation from PTC to NTC-PTC effects was observed in 4 mol% PbO-doped sample after heating-treatment at 950℃. The results indicate that the NTC effect is related to the variation of Pb amount. Semiconductor ceramics of (Sr, Pb)TiO3 with different thermo-sensitive property were obtained by controlling PbO loss.

在 Y 掺杂的钛酸锶铅中,分别添加过量 PbO、SiO_2、ZrO_2制备之半导体陶瓷样品,在居里点(约 120℃)以上具有强的 PTC 效应,升阻比接近 5 个数量级。其中,SiO_2或 ZrO_2增强了居里点以下的 NTC 效应,降阻比可达 1个数量级;而少量 PbO 则降低了陶瓷的室温电阻率和 NTC 效应。通过热处理可以使热敏特性由 PTC 型向 NTC-PTC复合型转变,表明 NTC 效应与铅含量变化密切相关,控制铅挥发能获得不同热敏特性的钛酸锶铅半导体陶瓷。 

 
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