1) differential flowmeter
差动量计
3) dynamic differential calorimeter
动差热量计
4) bellows differential flowmeter
膜盒式差动流量计
5) metering error
计量误差
1.
The errors appearing in the process of crude transfer metering and causes are analyzed from the angle of error origin, followed by expounding the methods of controlling the metering errors.
从误差的来源分析了原油交接计量过程中产生的误差及原因,阐述了控制计量误差的方法,并结合靖咸管道5年来的计量运营,总结了科学高效的计量管理方法。
2.
An analysis is made of the problem that the metering error is substantial in custody transfer metering of crude oil with low water content.
分析了原油交换计量过程中存在低含水状态下计量误差较大的问题。
3.
In order to analyze the influence of harmonics on electronic watt-hour metering error, in this paper, a nonlinear mapping mathematic model is established.
利用BP神经网络建立了谐波对电子式电能表计量误差影响的数学模型 ,它反映了谐波功角与该误差间的非线性映射关系。
6) measurement error
计量误差
1.
The mass concentration of the paste backfilling materials is one of the key factors affecting the performance of backfilling and the measurement error in raw materials and in moisture test are two main factors affecting the mass concentration.
膏体充填材料的质量分数则是影响其性能的关键因素之一,而充填材料各个部分的计量误差和水分检测误差是影响其质量分数的两个主要因素。
2.
The actions to be taken to reduce oil product measurement error are suggested based on an analysis on the main factors causing error in measurement.
通过分析油品计量过程中产生误差的主要因素,提出了降低油品计量误差的措施。
3.
The secondary measurement error is one of the causes which make difficult for the balance of plant power consumption measurement.
二次计量误差是造成工厂用电计量平衡困难的原因之一。
补充资料：差压式流量计的选用
差压式流量计(以下简称DPF或流量计)是根据安装于管道中流量检测件产生的差压、已知的流体条件和检测件与管道的几何尺寸来测量流量的仪表。DPF由一次装置(检测件)和二次装置(差压转换和流量显示仪表)组成。通常以检测件的型式对DPF分类，如孔扳流量计、文丘里管流量计及均速管流量计等。二次装置为各种机械、电子、机电一体式差压计，差压变送器和流量显示及计算仪表，它已发展为三化(系列化、通用化及标准化)程度很高的种类规格庞杂的一大类仪表。差压计既可用于测量流量参数，也可测量其他参数(如压力、物位、密度等)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条