1) chromium depleted zone
贫Cr区
2) carbon-depleted region
贫碳区
1.
Thermodynamic analysis of pre-eutectoid transition of acicular ferrite in carbon-depleted regions of austenite in Fe-C-X alloys;
Fe-C-X系合金针状铁素体在奥氏体贫碳区先共析转变的热力学分析
2.
Based on the fact that carbon-depleted regions come into being during the incubation period,thermodynamic models of diffusion and shear for weld acicular ferrite(AF)transformation in carbon-depleted regions of austenite were established respectively by using KRC(Kaufman,Radcliffe,Cohen)activity model and super-element algorithm,and used in the numerical simulation of a certain microalloy steel.
基于预相变形成奥氏体贫碳区的特点,采用KRC活度模型和超组元算法,分别建立了Fe-C-X系微合金焊缝针状铁素体在奥氏体贫碳区扩散和切变转变的两种相变热力学模型,并针对某种微合金钢成分进行了数值计算。
3) poor area
贫困地区
1.
Analysis on reproductive-aged women′s reproductive health conception and its influence factors in poor areas;
贫困地区育龄妇女生育健康观念及影响因素
2.
Scientific Views Towards Information & Resources Building for University Libraries in poor area;
贫困地区高校图书馆信息资源建设应有的科学理念
3.
The County Economic Development in Poor Area and the Coupling with Vocational Education;
贫困地区县域经济与职业教育的耦合发展
4) poverty-stricken areas
贫困地区
1.
An Analysis on the State of Mental Health of Young Teachers of Middle Schools in Poverty-Stricken Areas;
贫困地区中学青年教师心理健康状况分析研究
2.
An analysis of the influence of the "single-charge system" on the teachers in the poverty-stricken areas and its countermeasures;
试析“一费制”对贫困地区农村师资队伍的影响及对策
3.
On the status quo and countermeasures of agricultural investment in poverty-stricken areas;
贫困地区的农业投入状况及对策分析
6) Poor areas
贫困地区
1.
Reflection over mathematics curriculum of primary and middle schools in poor areas;
改革贫困地区中小学数学课程的思考
2.
Human resources quality and modernization of agriculture in the poor areas of Gansu Province;
甘肃省贫困地区人力资源素质与农业现代化
3.
Study of the population resource in the poor areas of Gansu Province;
甘肃省贫困地区人力资源开发研究
补充资料:贫树脂区
分子式:
CAS号:
性质:复合材料中出现树脂与纤维比例下浮失调的现象。贫树脂至严重状态,将出现纤维裸露,纤维之间不成为一整体,纤维不能受到树脂基体的保护,而影响复合材料承载能力乃至结构的完整性。导致贫树脂区的原因为:(1)在预浸料中树脂含量过低;(2)复合材料固化加压提前,引起大量树脂的流失;(3)某些变厚度区的多层断面。贫树脂区的主要特征是孔隙含量较大;层与层之间出现疏松,即复合材料致密下降;复合材料吸湿性增加,湿热环境条件下强度、刚性下降显著;机械加工适应能力变弱,钻孔常出现分层与劈裂。检测贫树脂区的手段为超声与X射线法。
CAS号:
性质:复合材料中出现树脂与纤维比例下浮失调的现象。贫树脂至严重状态,将出现纤维裸露,纤维之间不成为一整体,纤维不能受到树脂基体的保护,而影响复合材料承载能力乃至结构的完整性。导致贫树脂区的原因为:(1)在预浸料中树脂含量过低;(2)复合材料固化加压提前,引起大量树脂的流失;(3)某些变厚度区的多层断面。贫树脂区的主要特征是孔隙含量较大;层与层之间出现疏松,即复合材料致密下降;复合材料吸湿性增加,湿热环境条件下强度、刚性下降显著;机械加工适应能力变弱,钻孔常出现分层与劈裂。检测贫树脂区的手段为超声与X射线法。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条