负温度系数,negative temperature coefficient
1)negative temperature coefficient负温度系数
1.The measuring results of resistance of the samples gavenegative temperature coefficient.结果表明，样品的电阻表现为负的温度系数，且经２５０℃热处理的Ｆｅ５０Ｃｕ５０样品表现出比６００℃热处理的样品更大的负温度系数。
2.By the way,it may realize the change curve ofnegative temperature coefficient for the thermal resistor.电压信号利用声卡采集到计算机中,由LabVIEW软件编写的虚拟锁相放大器测量,实现了测量负温度系数的热敏电阻阻值随温度的变化曲线。
3.A method of packaging fiber gratings with thenegative temperature coefficient material under high-temperature conditions(about 70 ℃) is introduced,and the temperature characteristic and long-term stability of packaged fiber gratings are measured.介绍了利用负温度系数材料并在高温环境下(70℃左右)封装光栅的方法,对封装后的光栅作了温度性能和长期稳定性测试。
英文短句/例句
1.negative temperature coefficient thermistor ceramics负温度系数热敏电阻瓷
2.negative tempperature coefficient thermistor负温度系数热敏电阻
3.negative temperature coefficient humidity sensitive resistor负温度系数湿敏电阻器
4.Investigations on the Electrical Properties and Stabilities of Negative Temperature Coefficient Thermistors;负温度系数热敏陶瓷的电性能和稳定性研究
5.Investigations on the Electrical Properties of the Negative Temperature Coefficient Composite Thermistors双相复合负温度系数热敏材料的电性能研究
6.Study on Characteristic between Resistance and Temperature of Negative Temperature Coefficient关于负温度系数热敏电阻R-T特性的探讨
7.Negative Temperature Coefficient of Resistance of Nb-doped SnO_2 Ceramics铌掺杂氧化锡陶瓷的电阻负温度系数特性
8.The Research of Preparation for Ni-Mn-O Negative Temperature Coefficient Thermistor by Coprecipitation and Sintering Process共沉淀法制备Ni-Mn-O系负温度系数热敏陶瓷及烧结工艺研究
9.General specification for the indirectly heated thermistors with negative temperature coefficientGB/T13189-1991旁热式负温度系数热敏电阻器总规范(可供认证用)
10.General specification for the directly heated negative temperature coefficient thermistorsGB/T6663-1986直热式负温度系数热敏电阻器总规范(可供认证用)
11.The investigation shows that the cells possess a large negative EMF-temperature coefficient when the sodium amalgams have two phases (solid and liquid) in coexistence.研究表明,液、固两相共存的钠汞齐电池有大的负温度系数。
12.Influences of Ag-Electrode Compositions on Electrical Properties of NTC Thermistors银电极组成对负温度系数热敏电阻电性能的影响
13.Blank detail specification for directly heated negative temperature coefficient thermistors--Assessment level EGB/T6664-1986直热式负温度系数热敏电阻器空白详细规范评定水平E(可供认证用)
14.The effect of electronegativity and valence electron orbit energy topological index on superconductive critical transition temperature of doping MgB_2 system电负性/价电子轨道能拓扑指数与MgB_2体系转变温度的关系
15.resistance-temperature coefficient (of resistance thermometer sensor)（热电阻的）电阻温度系数
16.positive temperature coefficient thermistor正温度系数热敏电阻
17.temperature coefficient of regulated output current调整输出电流温度系数
18.temperature coefficient of voltage regulator电压调整器的温度系数
相关短句/例句
NTC负温度系数
1.Electrical properties indicate that microwave sintering improves the negative temperature coefficient(NTC) thermistor s B constant and resistance.研究了CoMnNiO系负温度系数热敏电阻陶瓷材料的烧结特性和电性能,探讨了不同烧结方法对CoMnNiO系NTC热敏陶瓷烧结特性及电性能的影响。
2.Its B-value is about 620 K; andNTC materials can be acquired by doping Mn into p-type Si.对n型硅掺锰,得到的是小正温度系数热敏材料,其B值在620 K左右;对p型硅掺锰,得到的是负温度系数热敏材料,其B值在4 200 ~4300 K之间。
3.Electrical proper- ties indicate that microwave sintering improves the negative temperature coefficient (NTC) ther mistor s B constant and resistance.研究了 CoMnNiO 系负温度系数热敏电阻陶瓷材料的烧结特性和电性能,探讨了不同烧结方法对 CoMnNiO 系 NTC 热敏陶瓷烧结特性及电性能的影响。
3)negative temperature coefficient of resistance负电阻温度系数
4)Negative temperature coefficient(NTC)负温度系数(NTC)
5)negative temperature coefficient effect负温度系数性质
6)positive/negative temperature coefficient正负温度系数
pared with the typical current superposition withpositive/negative temperature coefficient,the third current branch was added to optimize the temperature features by curvature compensation.在传统正负温度系数电流叠加的基础上,通过增加一条电流支路,对温度特性进行优化,使用简单的结构得到了很好的温度特性和电源电压调整率。
延伸阅读
负温度系数分子式：CAS号：性质：一些复杂反应，按阿伦尼乌斯公式求出的表观活化能具有负值。当反应温度升高时，其反应速率减慢。称这类反应的速率具有负温度系数。
