The heat capacities of the ionic liquid 1-ethyl-3-methylimidazolium tetrafluoroborate([Emim]BF_4) and its aqueous solutions with weight fraction in the range 25%~100% have been measured using a Calvet microcalorimeter at temperatures from 298.
15 K,质量分数为25%~100%的条件下,采用Calvet微量量热仪测定了室温离子液体四氟硼酸1-乙基-3-甲基咪唑([Emim]BF4)及其水溶液体系的比热容。
Method study of improving overload characteristic of counter type nuclear instrument;
改善计数管型核辐射监测仪器过载性能的方法研究
A Level Meter with Wide Range Based on Multi-counter;
基于多计数管的宽量程液位计
In the paper,we introduced the theories and characteristics of counter tubes and list the principal parameters about J405γ type counter tube.
介绍了计数管的工作原理和J405γ计数管主要参数指标,并从计数管的零件清洗质量、阴极制造、充气气体配比等方面,具体分析了J405γ计数管在生产过程中,放电、坪斜大的废品产生的原因,提出了工艺解决方法。
Principles of energy response of new G-M counter tube named GJ4401 7 are discussed.
本文讨论了GJ4401 γ计数管这种新一代G-M管能量响应的机理,提出了采用铅锡合金作吸收片的方法,对吸收片的衰减作用进行了简单计算,并提出了对能量响应进一步改进的思路。
dekatron scaling unit
十进计数管标数部件
counter tube fast neutron flux meter
计数管式快中子通量计
halogen-quench Geiger tube
卤素猝灭盖革计数管
position sensitive proportional counter
位置灵敏正比计数管
boron trifluoride proportional counter
三氟化硼正比计数管
gas discharging radiation counter tube
气体放电辐射计数管
modulo - 2 counter
二元[二进位]计数管
automatic gamma counter
自动伽玛(γ)粒子计数管
forward-angle counter
向前散射粒子计数管
geiger muller counter tube exposure ratemeter
盖革 缪勒计数管照射量率计
New Design Method for Testing System Parameter of Low Energy Electron Counter;
低能电子检测计数管参数设计及优化方法研究
Strengthening Statistical Data Management Improving Statistical Data Quality;
加强统计数据管理 提高统计数据质量
computer data management system
计算机数据管理系统
data management system
数据惧管理系统《计算机》
computer programmes for database management
数据库管理计算机方案
logarithmic vacuum-tube voltmeter
对数刻度真空管伏特计
digital vacuum tube voltmeter
数字式真空管伏特计
transistorized electronic digital computer
晶体管数字电子计算机
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