Effects of cover and no-tillage on soil cellulose-decomposing bacterium population and cellulose decomposition intensity;
免耕及覆盖对土壤纤维素分解强度和纤维素分解菌的影响
Based on FBG sensing,a novel fiber Bragg grating axle counting sensor was developed by utilizing the intensity demodulation technique with a couple of matching fiber Bragg gratings.
基于光纤Bragg光栅传感原理,采用双光栅匹配滤波强度解调方案,研制了一种新型的光纤光栅轮轴计数传感器。
By a simple sensor system and the intensity demodulation method of matched fiber Bragg grating, the fiber Bragg grating strain sensor is studied theoretically and experimentally.
采用一种简单的传感装置和匹配光纤光栅强度解调的方法 ,对光纤光栅应变传感进行了理论分析和实验研究 。
are proposed and comprehensive strength which consists of freezing and defrosting strengthare indicated in this paper.
提出以冻结强度及解冻强度形成的砂浆综合强度为基础,利用解冻时间与深度和强度增长的关系,确定其综合强度最低值。