1) activity gradient
活度梯度
2) activity
活度
1.
Solute activity change model of binary liquid alloys in electrical field;
电场作用下二元液态合金中溶质活度变化理论模型
2.
Analysis of Alkaline Phosphatase Activity in Dairy Products;
BQC法与CQC法测定乳品中ALP活度的比较
3.
Colorimetric method for detarmination of alkaline bhosphatase activity in dairy products;
乳品中碱性磷酸酶活度的比色测定
3) radioactivity
活度
1.
A 4πβ+4πγ equipment for radioactivity measurement;
井型4πβ+4πγ活度测量装置
2.
Eighteen emission scans were performed at different radioactivity in the field of view.
用X线透射扫描进行衰减校正,在不同的活度下做18次扫描。
3.
The radioactivity of short-lived nuclide ~(87)Kr is interfered by ~(85m)Kr and ~(125)Xe when it is measured by internal gas proportional counting.
用内充气正比计数管测量短寿命核素87Kr活度中,存在气体核素85mKr和125Xe的干扰,且在制源过程中无法将杂质核素分离出去。
4) activity coefficient
活度系数
1.
Use the electric conductivity to assay the activity coefficient of KCl and NaCl in H_2O;
电导法测定混合电解质NaCl和KCl水溶液的活度系数
2.
Measurement method of activity coefficient of electrolyte solution;
电解质溶液活度系数的测定方法
3.
Study on the activity coefficient of Rare Earths salt YCl_3 in DMF and H_2O with conductivity method at 298K;
电导法测定298K时YCl_3在混合溶剂(DMF-H_2O)中的活度系数
5) iso-activities diagram
等活度图
1.
Research on plotting ternary iso-activities diagram by computer drafting;
计算机绘制三元系等活度图方法的研究
6) oxygen activity
氧活度
1.
Properly lowering the tapping temperature, raising oxygen activity and optimizing foaming slag can provide better thermodynamic and kinetic conditions for reducing titanium content in the liquid steel.
通过适当地降低出钢温度、提高氧活度,优化电炉造泡沫渣制度,为电炉脱[Ti]创造了良好地热力学以及动力学条件。
2.
With self-made oxygen probe,the changes of oxygen activity and other metallergical factors of spheroidal graphite liquid iron in the process of maintained temperature above the eutectic temperature are tested,and relationship between the oxygen activity and the spheroidal fading is also discussed.
采用自行研制的铁水长期连续测氧探头，测定了球化铁水在共晶温度以上，高温等温保持过程中氧活度及其他冶金因素的变化；探讨了氧活度变化规律与球化衰退的关系。
3.
A freecutting semi-killed steel has been investigated and produced successfully in industrial-scale furnace,and the oxygen activity measured in ladles was at the level of 150～250 ppm.
３７，设计了新钢种的化学成分，在工业炉中炼成半镇静易切削钢，钢包中氧活度在１５０～２５０ｐｐｍ范围内。
参考词条
补充资料：表面活度计量
表面活度计量
area-activity measurement
boa飞lian hL汇心u JIliang表面活度计.(~一activityn丫努ISurelr犯nt)对平面源表面放射性活度(表面粒子.数或表面粒子发射率)，即单位面积在既球面度(立体角)内发射的粒子(。或p射线)数的测量。单位是‘’·cm一2，只能用于辐射防护中使用的发射。射线或p射线的平面源。 常用的测量方法是2二计数法、2邓计数法。将放射性物质电沉积在平面金属衬托板上，经校准成为标准平面源。常用的放射性核素有脚几、洲人m、洲叭、如Sr+如Y和I4C，其放射性活性面积可达100~x150~。(吕维纯李莱)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。