在高度自动化的生产现场如何检测高密度pcb一直是研究人员的难题。
It is always a challenge to testing high density PCB for researchers in the high automatic manufacture field.
将土样送试验室做击实试验,确定其最优含水率和现场控制干密度。
Send soil samples to lab for compaction test so as to determine the most reasonable water content ratio to enable on-site control of dry density.
目前现场一般采用未加固土的最大干密度和最优含水率来评价加固土的压实施工质量。
Most often, dry density and water content are measured in the field for the quality control purposes.
用粉迹法测定现场鼠密度,计算校正灭鼠率。
And using the powder trace method to determine the field rat density and calculate the deratization effect.
并结合现场测试条件,提供了最佳抛光电流密度。
Theoptimurn electric current density for polishing was given incomhnation with measurement in situ.
介绍了微硅复合低密度水泥浆的性能、作用机理及现场应用情况。
This paper introduces the properties, working mechanisms and field applications of silicon composite low density cement slurry.
研究一种确定旧管道阴极保护电流密度的新方法。现场试验结果表明,运用该方法确定旧管道阴极保护电流密度是准确实用的。
A new method is introduced to determine the current density required for protecting an aged underground pipeline. The field test results show that this method is exact and practical.
页(泥)岩密度计是石油及天然气地质勘探中现场随钻测量页(泥)岩密度的专用计量器具。
Shale (mudstone) densimeter is a special instrument used to measure shale (mudstone) density during drilling in geological exploration for oil and gas.
本文讨论了氢氧化铝料浆的固体含量和密度之间的关系及固体含量的密度检测方法。介绍了同位素密度计的现场应用情况。
This paper discussed the relationship between solid content and density of aluminium hydroxide slurry and describes the measurement method and in situ applications of isotopic densitometer.
本发明方法简便易行, 省力省时,适于现场使用,可实现对烟叶叶面密度的快速分析。
The method is simple, convenient and easy, is labor and time saving, is suitable to be used on the spot, and can realize quick analysis of the density of the leaf surface of the tobacco leaf.
平衡指示锤采用可调式结构,现场调节方便,使设备能适用不同密度不同粘度的各种介质。
With adjustable structure balance weight hammer is convenient for field regulating, so the indicator can be used for the liquids of various gravity and viscosity.
本方法为核密度计的现场率定提供了一种简便易行、准确可靠的新途径。
This method provides a simpler, more accurate and reliable way to calibrate densimeter on the spot.
利用现场可编程门阵列(FPGA)的高速、高密度、可在线修改的特点,设计一智能接口模块。
Using the rapidness, high degree of accuracy and emendable on line of FPGA, an intelligent interface module was designed.
方法 蚊幼虫密度调查采用勺捕法,使用10%高效氯氰菊酯、安备1%颗粒剂投放于现场。
Methods The density surveillance was conducted by the spoon method, and 10% beta-cypermethrin and 1% Abate larvicide were deployed on the spot for larval control.
结果表明:该方法分析速度快、精密度好、灵敏度高,可广泛应用于海上现场测定海水中溶存的甲烷。
The resultS show that this analytical method is rapid, has good precision and high sensitivity and can be widely used in situ at sea for determining the dissolved methane in sea water.
并用软件实现该算法,用于考古用同位素密度成像仪中,实现考古数据的快速成像,指导考古现场工作。
Software is used to realize the algorithm, which is used in the isotope density-imaging device for archaeology, to realize rapid imaging of archaeological data, and conduct work on the site.
通过对兰新铁路百里风区戈壁风沙流进行现场观测研究,提出风沙流密度的新概念,解决风沙流研究中如何利用现场定时观测研究风沙流动态变化特点的重大技术难题。
Through field survey of wind sand flow movement in the 100 km wind area along the Lan-Xin Railway, a new concept, the density of wind sand flow, is put forward.
介绍了现场气体分析方法和异常气体采集装置的使用及其对气体分析结果的影响情况,并比较了气体分析的准确度和精密度。
The use of the degassing equipment and anomalous gas collecting equipment and their influence on the results of gas analysis are described, and the accuracy and precision of gas analysis are compared.
低密度矿渣膨润土水泥浆现场施工方便,固井质量优质率平均约80%。
The light weight BFS/bentonite cement slurry can be easily applied to oil field, with hight cementing quality of about 8000.
低密度矿渣膨润土水泥浆现场施工方便,固井质量优质率平均约80%。
The light weight BFS/bentonite cement slurry can be easily applied to oil field, with hight cementing quality of about 8000.
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