To use the drop-weight impact meter to measure the impact toughness of the asphalt mixture, put forward the use of the impact toughness as an index to evaluate the anti-reflective cracking ability.
利用落锤式抗压冲击仪测定沥青混合料的冲击韧性,采用冲击韧性这一指标评价大粒径沥青混合料的抵抗反射裂缝能力。
Abbe fold light meter to use passage measurement index of refraction simplicity may measurement water content of honey.
利用阿贝折光器,通过测定折光率可以简便的测定蜂蜜中的含水量。
In Beijing, the average air-quality index (AQI) over the past month was 195 micrograms per cubic meter, peaking at 470.
在北京,过去一个月的平均空气质量指数(AQI)为每立方米195微克,最高达到470微克。
According to the theory of fluid seepage flow, oil-bearing productivity was predicted using the productivity index per meter.
根据流体渗流理论,利用原油产能指示参数预测模型可以对产层进行原油产能预测。
A portable and low cost solar UV index (UVI) meter is designed and fabricated.
设计并制作了一种便携式、低成本的日光紫外线指数检测仪。
A portable and low cost solar UV index (UVI) meter is designed and fabricated.
设计并制作了一种便携式、低成本的日光紫外线指数检测仪。
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