coefficient,positive temperature (PTC)是什么意思

网络释义

用法例句

Considered from the connotation of the rule by law,it contains the positive value orientation and ethic pursuit.

从法治国家的内涵上看,它包含着正向的价值目标和伦理追求,法治国家不仅追求道德价值,与道德紧密相连,而且,道德在法治国家建设中发挥着不可替代的作用,具体体现在法不离德、德亦补法和人需有德三个方面。

Numerical study of forward smoldering combustionof polyurethane foam;

聚氨酯泡沫燃料正向阴燃传播特性的数值模拟(英文)

Based on a three-step kinetic mechanism, a two-dimensional and time-dependent numerical model is presented for the forward smoldering propagation in a horizontally packed bed of cellulosic material.

根据多孔固体燃料3步反应动力学机理,建立了2D非稳态纤维质材料水平填充床正向阴燃的数学模型。

Usually,there is a positive direction linkage between gold price and oil price.

黄金和石油的价格波动在大多数时候呈正向联动关系,虽然没有严格的数字比例关系,但是其波动趋势往往相同。

First backward simulation was made by using population parameter method to quickly get an approximate workblank,and then forward simulation was made by using incremental method to modify the workblank outline for the purpose of getting comparatively accurate outline dimension.

介绍了一种用于冲压毛坯设计的新方法——基于正、反向模拟的毛坯外形设计技术,即先用全量法进行反向模拟,快速得出近似的坯料,再用增量法进行正向模拟修正毛坯的外轮廓,从而得到比较精确的坯料尺寸。

In order to further understand the organization and performance of the product extruded from beryllium bronze,the nonuniformity of ingot casting organization extruded from beryllium bronze,the quenching macrocrystalline ring organization and layer structure of extrusion bars,the nonuniformity in mechanics,and extrusion effects were analyzed.

为了进一步了解铍青铜正向挤压制品的组织和性能,分析了铍青铜挤压铸锭组织的不均匀性、挤压棒材淬火后的粗晶环组织、以及挤压棒材的层状组织;同时对挤压棒材力学性能的不均匀性和挤压效应进行了分析。