The factors that influenced the analytical results of lead by probe atomization AAS were studied and analytical performances of the method were compared with those by tube wall atomization AAS. 通过实验,确定了最佳的仪器条件和探针原子化分析条件,并与管壁原子化法进行了比较。
It is well known that it is rather difficult to suppress a big number of forming holes on the separator's tube wall due to its complicated dimension. 分离器筒壁压制大量成型孔,外形、尺寸位置要求复杂,定位困难。
Inside the plug is placed a moving tube which has a catch on top, a medicine port, a notch in the tube wall and a positive stop bulkhead at bottom and cooperates with the sling tube. 瓶塞顶口内插入顶端为动管拉手、下设动管壁出药口、动管壁槽口和动管限位挡板且与吊管动配合的动管。
The greater the steel tube wall thickness, the higher the limit loading capacity of expansive concrete filled square steel tube is. 钢管厚度越大,方钢管膨胀混凝土极限承载力越大。
This battery-like reaction produces and electrical charge that leads to the striations within the tube wall. 这个像是电池产生电荷反应般,进而导致在管璧内留下条纹状(裂痕)。
Analysis and Treatment of Temperature Deviation of High Temperature Superheater Tube Wall of 410t/ h Boiler 410t/h锅炉高温过热器管壁温度偏差的分析处理
The practice shows that the hydrodynamic performance in the water-wall is stable and the tube wall temperature of the heating surface is normal during intermittent pressure cycle purging with flame. 不熄火降压吹管时锅炉水冷壁水动力工况稳定,受热面管壁不超温,其成功经验可为类似锅炉吹管提供参考。
The Numerical Simulation Calculation for Tube Wall Temperature of Pedant Superheater of Power Station Boiler; Fuel Heater Temperature Sensor and Element Location 大型电站锅炉屏式过热器壁温数值模拟燃油加热器温度感知器和元件的位置
Study on a Model of Real Fluid Flow Having Heat Loss on Tube Wall 存在管壁换热损失的真实流体流动模型的研究
The heat rejection efficiency of the fin is decreased with the temperature of tube wall decreasing, and the necessity of fitting fin is reduced when the wall temperature is higher. 肋片的散热效率随管壁温度的升高而减小,壁温较高时安装肋片的必要性降低。
Study on the Prediction of Tube Wall Thickness Based on Neural Network 基于人工神经网络的钢管壁厚预测研究
The pressure in tube wall is higher than that in tube center. ②壁面处压力波的压力大于爆震管道中间压力。
The effect of the content of expansive additive and steel tube wall thickness on the mechanical properties of expansive concrete filled square steel tube were studied. 实验研究了膨胀剂掺量和钢管厚度对不同强度等级方钢管膨胀混凝土力学性能的影响。
The tube wall thickness distribution and the energy parameters were analyzed on the basis of simulation results. 基于计算结果,分析了管坯壁厚分布规律、机架力能参数分布。
The Heated Tube Overheating Problem of Superheater and Reheater in High Parameter Large Capacity Utility Boilers and Tube Wall Temperature Online Monitor 高参数大容量电站锅炉过热器再热器的超温问题和炉内壁温在线监测
The tube wall of the exposed end of the flushing tube is intertwined by the section of the drainage tube. 冲洗管外露段管壁由引流管的材料延续包绕。
The tank tube wall construction of climate laboratory is adopted with the somersaulting formwork technology and the no scaffold technology. 环境气候实验室罐体筒壁施工采用翻模施工技术和无脚手架施工技术。
When tube wall strength can not bear inner steam pressure in the tube, blowout of low-temperature tube occurs. 当管壁强度无法承受管内蒸汽压力时,导致低温过热器管爆裂。
There are pile of partial electric charges at the tube wall. 管壁上还存在局部电荷的堆积。
An improved method for computing temperature of the tube wall of superheater and reheater in boiler is introduced. 对电站锅炉对流过热器和再热器的壁温计算方法进行了改进。
Based on the process simulation and the analysis method of thermal power system, the tube wall metal temperature online monitoring system of high temperature heating surface was successfully developed. 在借鉴过程仿真和热力系统分析方法的基础上,开发了一套锅炉高温受热面金属壁温在线监测系统。
The numerical study aims at obtaining a calculation method of flame tube wall temperature. 计算研究目的是摸索一种火焰筒壁温的计算方法,以较好地获得火焰筒壁温分布。
Data processing and error analysis for tube wall flaw test 管材内壁缺陷检验数据处理和误差分析
In this paper, the stress and strain distribution, tube wall thinning and the cross section ovalization in Aluminum alloy thin-walled tube NC bending with small bending radius have been investigated through experimental method combined with finite element method and theoretical analysis. 本文采用实验法,并结合有限元模拟和理论解析法,研究了与铝合金薄壁管小弯曲半径数控弯曲成形质量密切相关的应力应变分布、壁厚变化和截面畸变等关键问题。
High Frequency Supersonic System for Measuring Thickness of Metal and Oxide-Scale on Tube Wall 管壁金属层和氧化皮厚度高频超声波测量系统的建立
The principle and method of nondestructive inspection on tube wall thickness and defect using compton scattering are described. 介绍了利用康普顿散射对管壁厚度和缺陷进行无损检测的基本原理和方法。
By discussing the calculations of Max. metal temperature at tube wall of tubular heaters, formula intention are evaluated. 从讨论管式加热炉最高管壁金属温度的计算公式开始,分析评述了公式的内涵;
Tube wall temperature decreasing and operation consumption reducing brought remarkable benefit. 降低了管壁温度和运行消耗,效益显著。
For irregularly hot stress acting tube curve, it stressfully analyzes effect of body tube wall thickness difference. 对于不规则热应力作用下的身管弯曲重点分析了身管壁厚差的作用。
Underground oil tube wall is a special, high temperature, high pressure and strong reverberation channel, which makes ultrasonic communication system demanding. 井下油管壁是一个特殊的、高温高压及强混响的信道,对超声波通信系统提出了苛刻的要求。