carbon 14 age是什么意思

网络释义

用法例句

Determination of Carbon and Sulfur in Al-Mn-Ti Alloy by IR Absorption Method with Calibration of Different Reference Materials;

异标校正红外吸收法测定铝锰钛合金中碳、硫

Evaluation of uncertainty in the measurement of carbon content in steel by infrared absorption method;

红外吸收法测定钢铁中碳含量的测量不确定度评定

Influence of carbon and niobium on microstructures and properties of Inconel 718 alloy deposit coating;

碳、铌对Inconel 718合金熔敷层组织与性能的影响

Effect of C and Si content on zinc corrosion morphology of carbon steel;

碳、硅含量对碳钢锌腐蚀层形态的影响

The Effects of C Contents on The Magnetic Properties of Sintered Nd-Fe-B Permanent Magnets;

碳对烧结Nd-Fe-B永磁体性能的影响

Measurement of Carbon and Sulfur by Single Standard Sample with Infrared C-S Analyzer;

红外碳硫仪单标样法测定碳硫

The low energy friction and wear properties of carbon/carbon (C/C) composites used for aircraft brakes were studied, curves of relationship between the moment of brake force and brake velocity were analyzed, and the essential cause was discussed of why C/C composites possess a maximum friction coefficient when energy is changed.

研究了碳／碳（简称Ｃ／Ｃ）复合飞机刹车材料在低能载条件下的摩擦磨损性能，分析了刹车力矩与刹车速度之间关系曲线，探讨了Ｃ／Ｃ复合材料因能载变化出现摩擦系数最大值的根本原因。

A description is given of the effect of high temperature treatment on tribological properties of carbon/carbon (C/C) composites prepared by chemical vapour deposition.

研究了高温处理对化学气相沉积碳／碳（简称Ｃ／Ｃ）复合材料摩擦磨损性能的影响，分析了经过不同温度处理的试样的刹车力矩－刹车时间曲线。