2) discharge calculation error
流量计算误差
1.
Discussion on discharge calculation error using mean water depth instead of hydraulic radius;
用平均水深代替水力半径的流量计算误差的探讨
3) 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。
4) 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。
5) measuring error
计量误差
1.
Water meter s automatic rotation control and the elimination method of the measuring error of remote transmission system;
水表自转控制及远传系统的计量误差消除方法
2.
The reasons of measuring errors about dual gamma multiphase flow meters were analyzed,by which the measures for decreasing measuring errors have been proposed from lectotype,installation,routine use and maintenance associated with the using experience of dual gamma multiphase flow meters in PL19-3 oilfield.
对双能γ多相流量计计量误差产生的原因进行了分析,结合在PL19-3油田使用双能γ多相流量计的经验,从双能γ多相流量计的选型、安装、日常使用和维护等方面提出了降低计量误差的措施。
3.
A control system is introduced that used a chip microcomputer (8031 ) to reduce the measuring error of filling in a filling machine.
为解决螺旋推进式充填机充填精度较低的矛盾，在分析计量精度误差的基础上，介绍了采用8031单片机控制充填包装计量误差的基本原理和方法。
6) Flow errors
流量误差
补充资料：流量计量
流量计量
flow measurement
liulia叩1 iliang流.计l(n洲~ni)准确测量流t，并保持其量值统一的活动。包括气体、液体、燕汽、混合流体流量测量。在一段时间△t内，流过一定截面的流体t称为通过该截面的流量.用△Q表示。当流t用体积表示时称为体积流量，单位为时;用质量表示时称为质量流t，单位为吨。累积流量主要用于贸易结算，是流盘计量的重点。流量与时间之比称为平均流t，用丁表示。当时间△t很短时，流量与时间之比称为瞬时流量，用q表示，即口=11。驾瞬时流量亦分为瞬时体积流量(时/h)及瞬时质量流t(叼h)。瞬时流量主要用于工业过程控制，是工业过程控制中的重要参数。(王池)
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