着重考虑了作为气体微流量标准装置核心的恒压式气体微流量计的原理、结构、下限因素和不确定度等基本问题。
The principle, structure, measurement limit and analyze of uncertainty of the constant pressure gas flowmeter, which was the key component of gas flow standard apparatus, were considered emphatically.
一个关键的区别是,到成熟总是成熟的标准,票据或债券,因此产量计算考虑到这一点。
The one key difference is that notes or bonds that go to maturity always mature to par, so the yield is calculated with that in mind.
产品质量计划应该达到一个研发和生产都可以接受的通用质量和AAA特殊标准。
Product Quality Plan should meet universal and AAA specific quality standard which is agreed with AAA R&D team and AAA Manufacturing Plant.
本单位设计的水流量综合标准装置,主要由标准金属量器组、标准流量计、供水系统、管路系统、控制台和换向器组成。
Composite water flow Calibration Facility that our unit designed, makes up of standard metal tank group, standard flow meter, water-supply system, pipeline system, control cabinet and diverter mainly.
体积管是检定流量计的标准器。
用于检定流量计的标准体积管每三年要由计量检定部门检定一次。
Standard volume pipe used for flow meter's calibration shall be calibrated every three years by metering calibration department.
介绍小容量计量标准的组成,分析验证该计量标准的不确定度,并考察其重复性和稳定性。
Introduce the composition of the meterage standard, analyze, test and verify its uncertainty, and inspect its repeatability and stability.
空气校准器被改造成一台标准的气体流量计并成功地应用于其它小量程气体流量计的校准。
The air calibrator was reformed as a standard air flowmeter, and it was used to calibrate other small range air flowmeter.
短路电流容量计算的基本原理尽管在OPGW相关的标准中有过叙述,但很少有实际计算方法上的报道。
The basic theory of calculation of short-circuit current capacity has been described in related OPGW standards. But the real calculation methods are seldom reported.
在流量计上所用的标准流量记录纸为圆形,直径12英寸。
The standard flow recorder chart used on a flowmeter is circular and 12 in. in diameter.
它是用总成本除以标准产量计算出来的。
It is calculated by dividing total cost by the level of output.
天然气孔板流量计的现场检定,采用以文丘里音速喷嘴作为标准表的传递型校准法。
The on the spot inspection of natural gas orifice meter is adopting the transitivity calibration method taking Venturi nozzle as calibration scale.
我们是最新版热式质量流量计国家标准的参加起草单位。
We are the latest version of thermal mass flowmeters to participate in the drafting of the national standard units.
为建立医用氧气及其他气体流量计的计量标准作了一些探索。
Some research for setting up the measurement standard of oxygen and other gas volume flow meter for hospital are get.
阐述了孔板流量计的流量测量原理以及理论流量计算公式、标准孔板的结构形式和技术要求。
Then, its measurement principle and theoretical formula, as well as the structural style and technical requirements of standard orifice were expounded.
定点液位测量提高了流量标准装置的工作效率,能够使流量标准装置直接检定腐蚀性液体流量计,并且可以实现校准过程的自动化、数据的自动采集和自动化管理。
The adjusting of flow meter is automatic when the method of measuring fixed-point liquid level is used on liquid flow calibration facility, and the data can be gathered and processed automatically.
文章探讨了煤层气量计算的方法及量级别的划分,提出了煤层气量划分的标准。
This paper probes into the calculating method of coal bed gas volume and the partition of its volume degrees, and puts forward the standard of the partition of coal bed gas volume.
用标准曲线法定量计算鞣酸的脱出率为48.8%。
最后提出了关于实现弯管流量计标准化的几点建议,并探讨了今后的研究方向和研究方法。
Several points to realize standardization of elbow flow meters are suggested. And the orientation and methods of the future re-search are inquired into.
设计了一套热式流量计的标定试验台,用标准流量计法,对热式流量计进行标定。
In order to calibrate the thermal mass air flow meter by the method of standard flow meter, this paper designs a suit of thermal flow meter's calibration test-bed.
该测试将在标准日常使用汽车中检查酒精测量计对于酒精浓度探测可靠性、功能及实用性。
The tests will examine the alcohol-detection reliability and the functionality and practicality of the breathalyser in standard daily-operating vehicles.
基于上述研究结论,建立了针对投资成本、价格因素和气田经济价值的千米井深日产量计算公式和区域判断标准。
Based on these researches, the factor-weighted computing formula for investment costs, price factors and the discrimination for economic value of onshore natural gas fields were studied.
基于上述研究结论,建立了针对投资成本、价格因素和气田经济价值的千米井深日产量计算公式和区域判断标准。
Based on these researches, the factor-weighted computing formula for investment costs, price factors and the discrimination for economic value of onshore natural gas fields were studied.
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