查询词典 flowmeter

The flow totalizer combines the measurement principle of Roots flowmeter with single chip microprocessor, adopts advanced electronic circuits and software, and is developed as a multifunctional, digital display intelligent meter head.

积算仪将罗茨流量计的计量原理与单片机结合起来，采用先进的电子线路和软件，开发成具有多种功能、数字显示的智能型表头。

The mechanical flowmeter with symmetry structure , straight flow channel and stand alone transverse axis impeller set is designed.

普遍认为，机械式热量表与电磁式热量表、超声波热量表相比，因其存在转动部件，使用寿命和测量精度相对低些。

Tackle key problem through the technology and the application of new and high technology, enrage on the west east be defeated by a project to be reached from tubal material make a valve, solder, inside system of pressure boost of Tu Fu, compressor is optimized, the nondestructive that automation control goes to to flowmeter is measured and solder detects the respect such as the technology gained revolutionary headway.

通过技术攻关和高新技术的应用，西气东输工程从管材及制管、焊接、内涂敷、压缩机增压系统优化、自动化控制到流量计量和焊接的无损检测技术等方面都取得了突破性进展。

The DIVA flowmeter has a high turndown ratio of up to 50:1, giving an operational range of up to 98% of its maximum flow.

该归档流量计具有较高的翻领比高达50：1 ，使业务范围高达98 ％的最大流量。

The performance of the combination of Venturi meter and turbine flowmeter in liquid-liquid two-phase flow measurement was investigated.

本文研究了运用单相流量计组合进行液液两相流参数测量的方法。

Aiming at phase difference measurement of mass flowmeter,based on actual signal and the zero passage method,the amendatory zero passage method is presented.

针对质量流量计相位差测量，从工程中的实际信号入手，结合虚拟仪器相位差检测的过零法，提出了一种设定阈值的改进型过零法，阐述了算法的检测原理，讨论了影响相位差检测精度的因素，提出了改善精度的技术措施和原则。

Xinghua City Huanya Electrothermal Instrument and Meter CO LTD - thermocouple, thermal resistance, bimetalic thermalmeter, flowmeter, paperless recorder, compensation cable, high temperature alloy

杭州天康仪表有限公司-压力表，数显仪表，智能流量积算仪、智能多路巡检仪，双金属温度计，红外测温仪，测厚仪，长度测量仪，转动测量仪，振动测量仪

The Vortex Flowmeter is a kind of fluid developed according to the card door principle flaps a concuss type discharge to measure appearance.

涡街流量计是根据&卡门涡街&原理研制成的一种流体振荡式流量测量仪表。

For those in control group (n=14), the animals did not undergo any surgery of the nerve fibers and ganglia. In Vi group (n=9), the animals underwent bilateral resection of the nasociliary and postganglionic parasympathetic nerve fibbers. In SCG group (n=8), the animals underwent bilateral resection of supper cervical ganglia. In V1+SCG group (n=9), the animals underwent both surgeries as Vi and SCG group did. In sham operation group (n=11), the animals underwent carotid manipulation with blunt-tipped forceps as well as dissection of nasociliary and postganglionic parasympathetic nerve fibers around the ethmoidal foramen, without cutting any nerves. SCS was performed on rats and CBF was monitored by laser Doppler flowmeter recordings.

SD大鼠分5组：对照组（n=14，不对神经纤维和神经节作任何手术处理）、V1组（n=9，切断双侧鼻睫状神经及其副交感节后纤维）、SCG组（n=8，切断双侧颈上神经节）、V1+SCG组（n=9，切断双侧鼻睫状神经及其副交感节后纤维和双侧颈上神经节）、假手术组（n=11，手术暴露双侧鼻睫状神经及其副交感节后纤维和双侧颈上神经节，但不切断神经纤维或神经节）；给予大鼠SCS，并用激光多普勒实时记录脑血流。

City distribution system is begin from distribution substation, nature gas flows through dust exhauster, dump valve, flowmeter odorizer and then through all levels of distribution network directly to the consumer according to the requirement.

而城市配气系统又是从配气站开始的，天然气在配气站内经过除尘、调压、计量、添味后，然后通过各级配气管网和气体调压装置保质保量地根据用户要求直接地向用户供气。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐