A new developed instrument Model CSY-1 for measuring wire feed rate in MIG and MAG welding and for detecting quality in welding process is given.
新研制的、适用在MIG、MAG焊接中,作测定送丝速度和在焊接生产中作质量检测的CSY一1型测量仪。
Be based on measuring wire tiny diameter with laser diffraction, a method of hardware equidistance subdivision for dark string spans of diffraction fringe is presented.
在激光衍射法测量微细线径的基础上,提出用硬件插值细分的方法来确定衍射图样暗纹间距。
Proposes an optical method of measuring the height and stagger of contact wire simultaneously in railway electrification.
本文提出一种测量电气化铁路接触线高度和拉出值的光学测量方法。
The diameter of a thin wire was obtained by measuring the shadow in the Fresnel diffraction zone.
通过细丝后在其后菲涅耳衍射区留下阴影,测量阴影宽度可得细丝直径;
The instrument USES micrometer to measure the elongation of wire, the measuring precision is increased.
该仪器采用千分表直接测量金属丝伸长量,提高了测量精度。
Handy light-weight wheel load scale. hand panel with digital display unit. wire strain gauge measuring method.
轻便的轮重仪。带数字显示装置的手动面板。丝式应变计测量方法。
A high precision processing method for the CCD video signal of the catenary wire wear measurement is presented in the paper and a criterion for measuring target border has been set up.
介绍一种对CCD固态传感器测量接触网导线磨耗视频模拟信号的高精度处理方法,建立了测量目标边界的判据。
The wall average temperature was obtained according to relationship between wire resistance and temperature and achieved the synchronization of heating and measuring temperature.
根据细铜丝电阻值与温度的关系来确定石英管外壁的温度值,实现了定热流加热与温度测量的同步。
A laser on-line measuring method for over-size and over-percentage apertures of wire sieves is described.
介绍了金属筛超大网孔尺寸及超差比例的激光在线检测方法。
A theoretical analysis about the effect of bending wave on the slanted resistance wire, which are used in measuring the flyer velocity, is proposed in this paper.
本文对连续斜电阻丝测飞板速度时弯曲波的影响作了理论分析。
Measuring principle of thermal conductivity of solid particles with hot wire method is briefly discussed. Experimental system was design and made.
简述了热线法快速测量固体微粒导热系数的原理,设计制作了实验系统。
Based on the theory of Fraunhofer diffraction and Babinet principle, a method is proposed for dynamically measuring fine-wire diameter using laser diffraction.
基于夫琅禾费衍射理论和巴比涅互补原理,提出了利用激光衍射对细丝直径进行动态测量的方法。
A new non-contact method for dynamic measuring the diameter of wire rod is presented.
提出一种新的非接触式动态测量金属线材直径方法。
With the principle of measuring resistance, the paper carries through the theory analysis about possibility of measurement method with short electrode wire.
从接地电阻的测量原理出发,讨论了采用短电流极引线测量地网接地电阻的可行性。
In this paper, we have analysed the influence of temperature on the velocity signals when the hot-wire was used for measuring turbulence.
本文分析了用热线系统进行湍流测量中,温度脉动对速度脉动测量讯号的干扰。
On basis of LR circuit transition process analysis, the paper describes measuring method of zero time factor for transformer wire-wound resistor with specific exciting supply.
本文在分析LR电路过渡过程的基础上,讨论了以特定激励源实现变压器绕组电阻零时间常数测量的方法。
This thesis focuses on the research and development of the insulation resistor measuring for low-voltage wire and cable. The first part of the thesis has a review-like character.
在我国,针对高电压等级的电缆绝缘检测技术受到了普遍的重视,但是针对低压配电网的电线电缆绝缘检测技术的研究却进展不大。
The article introduces a method which cannot only raise accuracy but reduce the load in wire measurement, that is measuring lines and angles separately.
文章介绍了一种在导线测量中,既能提高测量精度,又能减少工作量的方法——边角分测法。
A kind of measuring method and corresponding measuring instrument for measuring cone shaft and cone sleeve of the high-speed wire rolling mill's roller are introduced.
介绍了一种检测高速线材轧机轧辊锥轴与锥套锥度的检测方法以及相应的锥体锥度检测仪。
Based on a 3 wire platinum resistor measuring circuit, in which the lead wire resistance can be compensated, a high precise temperature measuring method is stated.
基于可补偿引线电阻影响的三线制铂电阻测量电路提出了一种高精度测温方法。
The paper introduced the working principle of the lead hardening temperature measuring and control system for the steel wire base on the fuzzy suitable PID control.
阐述了基于模糊自适应PID控制的钢丝绳用钢丝铅浴淬火温度测控系统的工作原理。
When using pulse counting method, the precision of pressure-measuring with vibrating-wire sensor is influenced by the precision of pulse counter, circuit noise, temperature compensation, etc.
应用振弦式传感器并基于脉冲计数法进行压力测量可达测量精度受脉冲计数精度、电路噪声及温度补偿等多重因素影响。
A new non contact method for dynamic measuring the diameter of wire rod is presented.
提出一种新的非接触式动态测量金属线材直径方法。
Measuring of stagger value is one of the most important items in dynamic testing of contact wire.
拉出值测量是接触网动态检测中最重要的项目之一。
The system is applicable to a high counting rate multi-wire proportional chamber. It can increase greatly the counting rate for measuring Mossbauer spectrum.
这个系统配上高计数率多丝正比室,可以使穆斯堡尔谱的探测效率大大提高。
The measuring principle of wire strain gauge is analyzed in this paper.
分析了电阻应变计和应变仪的测量原理。
A frequency measuring system which is designed in accordance with the working principle of a vibrating-wire sensor is mainly composed with a portable frequency measuring device and a PC.
根据振弦式传感器工作原理而设计的测频系统主要由手持式测频仪和PC计算机组成。
A pulsed-wire velocity probe and measurement system is developed in this paper, which is used for measuring separated flows.
本文研制了脉冲热线空间速度探针及风速测量仪,并测量了轴对称体的尾缘回流区,揭示了流动结构与特征。
The function and realization of thermo-emf auto-measuring system of Pt-Rh thermocouple wire for wire-melting-method are introduced in this paper.
介绍了熔丝法铂铑偶丝热电势自动测量系统的功能与实现方法。
In recent years a lot of papers about technique for measuring a 3-d low turbulent flow field by means of rotating a X-type hot-wire probe has been published.
近年来用X型热线探头旋转法测量低湍流度的三维流场的报导较多,但是对它的使用范围以及测量精度论及的很少。
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