Based on negative temperature coefficient resistance (NTCR), a fine multiple channel temperature measurement system was designed.
以负温度系数热敏电阻为核心器件设计了多通道高精度温度测量系统。
The measuring principle of a wind speed sensor which employs a negative temperature coefficient (NTC) thermistor as detector is described.
介绍了采用负温度系数热敏电阻器为检测元件的风速传感器的测量原理；
The characteristics of negative temperature state system were discussed, and compared with the image-forming behavior of thin convex lens.
分析了处于负温度状态系统的特征，并将其与薄凸透镜成像特征作类比，阐明了应用类比法讲授负温度状态的优越性。
The addition of compound anti-freezing admixture is the vital technique in the process of manufacturing durable negative temperature concrete.
指出性能优异的以防冻功能为主的多功能复合外加剂是制备负温混凝土或耐久性混凝土的技术关键。
The invention relates to a method for preparing negative temperature coefficient heat-variable powder body-the method of hydro-thermal chemical reaction.
本发明涉及一种负温度系数热敏粉体的制备方法――水热化学反应的方法。
Used in the construction and fitting-in antifreeze, concrete can harden in the negative temperature and the time to achieve sufficient strength antifreeze.
在建筑装修中使用防冻剂，能使混凝土在负温下硬化，并在规定时间内达到足够防冻强度。
The phenol adsorption changes also from positive temperature effect to negative temperature effect with increase of SDS concentration when the temperature rises.
随sds浓度的增加，土对苯酚的吸附也由增温正效应向增温负效应转变。
A new method of heat transfer augmentation with foreign gas jet impingement has recorded very high heat flux even in the case of "negative temperature difference".
异种气体射流强化传热的新方法即使在“负温差的情况下也有很高的热流量发生。”
The key points of production and technique for producing hollow plank by using dragged-form method of long-line stand at negative temperature were described in this paper.
介绍了负温长线台拉模法生产预应力空心板的生产要点和技术工作重点。
Temperature-depended resistivity of carbon nanotube film is measured and the results show negative temperature effect because the resistivity is decreased as the temperature increased.
测定了碳纳米管膜电阻率随温度的变化，结果表明，碳纳米管膜的电阻率随温度升高呈下降趋势，表现为负的温度效应。
The strength of negative temperature concrete is tested with supersonic-rebounding method. The results state that the method is suitable to test the strength of negative temperature concrete.
本文将超声回弹综合法用于负温混凝土强度检测。结果表明，超声回弹综合法可以用于检测和评定负温混凝土的强度。
A new concept called "liquid water-cement ratio" and its formula are advanced, which can be used to evaluate liquid water amount in the concrete mixed with antifreezer at negative temperature.
在预拌混凝土的生产中混凝土的凝结时间是一项重要的技术指标 ，本文试图讨论用水量、水灰比、粉煤灰和外加剂等因素对混凝土凝结时间的影响。
Compared with the typical current superposition with positive/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。
While respiration tracked with temperature in temperate and tropical regions, there was a negative correlation in the Arctic, where sensitivity to warming is thought to be especially pronounced.
尽管在温带或热带跟踪到呼吸与气温变化有关，但在据认为对升温特别敏感的北极，其关系呈现出负相关。
Besides negative thermal expansion, the researchers also found that changes in temperature lead to a significant variation in the porosity of the material, which is therefore highly controllable.
除了负的热膨胀效应，研究人员也发现了温度改变引起的材料多孔性的明显改变，因而这种多孔性就变得高度可控。
The minimum temperature showed the negative impact on the early rice caloric value with great variation.
最低温度对热值具负影响作用，表现出大的变异系数。
This paper tries to prove equivalence of Kelvin Statement and Clausius Statement of the second law of thermodynamics under negative absolute temperature by reduction to absurdity.
用反证法证明在负绝对温度下热力学第二定律的开尔文表述和克劳修斯表述等效。
It works by a control mechanism called negative feedback, and the thermostat is measuring the temperature and then sending a signal to a heater somewhere.
是通过一种叫做负反馈的控制机制，探测器测量温度，再把信号传给加热器。
The test results show that the porosity of sandstone decrease with the increasing effective stress at the fixed temperature level, following the law of negative exponent.
试验结果表明，在温度水平一定的条件下，砂岩的孔隙度随有效应力的增加而呈负指数规律减小；
But water content has negative effect. The interactive effects of time temperature and water time are found to be significant.
水分含量对酸解反应具有负影响，反应温度及反应时间与水分含量有交互作用。
The conclusion is that the stratum pressure would fall when the temperature increased, and the temperature field has a negative influence to coal-bed methane output.
得出了随着温度的升高煤储层的压力在降低，温度的升高对煤层气的产量有着负面的影响这一重要结论。
The result showed that there is a close relationship between activities of bee pollen and temperature of desiccation, time of desiccation in appropriate context, showing a negative related phenomena.
实验结果表明：蜂花粉活性与干燥温度、时间有密切的关系，在适宜的范围内，呈现出负相关的现象。
The relation between the fissure and the air temperature is normal correlation, and the fissure with the rainfall is negative.
裂缝与温度的变化呈负相关，与降水的变化呈正相关。
In the thermal analysis, the initial temperature of billet, beat fluxes (heat flow per unit area) of positive and negative value and convections to surrounding air are considered.
热分析中考虑了坯料的初始温度、外加热源和冷却源的热流密度以及坯料和空气的对流传热。
The deviation between temperature rise efficiency and torque efficiency has a negative impact on the accurate assessment of experimental results of axial compressor.
轴流压气机试验时，温升效率与扭矩效率之间的偏差给准确评估试验结果造成了一定影响。
Electroplating technological parameter includes factors of ampere density, temperature, PH value, stir, negative and positive pole. The maximum influencing factor is ampere density.
电镀工艺参数主要包括电流密度、温度、PH值、搅拌、阴阳极和换向电流等因素，其中影响最大的是电流密度。
The results show that the optimum addition of the stabilizer is 0.45%, while the stabilizer can make some negative influence on the temperature sensitivity of SBS modified asphalt.
结果表明：较佳稳定剂添加量为0.45%，但是稳定剂的加入使SBS改性沥青的感温性有所下降。
The factors influencing the efficiency of the heat stove are the surplus coefficient of the air, negative stress of heat stove, temperature of the discharged smoke.
影响加热炉运行效率的主要参数有空气过剩系数、加热炉负荷率、排烟温度等。
As for the warm water fish, lukewarm water fish and all temperature fish, the rise in water temperature might have, to varying degrees, a negative impact on their growth and reproduction.
而对于暖水性、温水性以及广温性鱼类而言，水温升高亦有可能对它们的生长、繁殖有不同程度的负面影响。
As for the warm water fish, lukewarm water fish and all temperature fish, the rise in water temperature might have, to varying degrees, a negative impact on their growth and reproduction.
而对于暖水性、温水性以及广温性鱼类而言，水温升高亦有可能对它们的生长、繁殖有不同程度的负面影响。
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