1)  two-step anodic oxidation
二次氧化法
1.
Anodic aluminum oxide(AAO) templates,with highly ordered hexagonally honeycomb arranged porous,were prepared by two-step anodic oxidation,and the surfaces of the samples were characterized by scanning electron microscopy(SEM) and scanning probe microscopy(SPM) respectively.
采用二次氧化法在不同配比浓度的电解液中制备了具有高度有序纳米孔洞的阳极氧化铝(AAO)模板,分别采用扫描电子显微镜(SEM)和扫描探针显微镜(SPM)对样品的形貌进行了表征,并对模板形成的微观机制进行了讨论,认为,采用二次氧化法制备AAO模板是最为科学的方法,研究指出退火温度和抛光工艺对形成氧化铝模板有重要作用。
2)  Secondary
二次
1.
Study on Secondary Seismic Acquisition in Southern Steep Zone in Biyang Depression;
泌阳凹陷南部陡坡带二次采集方法研究
3)  two-step ejecting
二次推出
1.
Througn designing three axial slots in internal threaded portion and optimizing nib structure,a design was made on the injection mould with a two-step ejecting mechanism with non-rotating.
对笔尖内螺纹部分设计三段轴向开槽,优化笔尖结构,设计了二次推出不带旋转机构的自动脱螺纹注塑模。
4)  reheating
二次加热
1.
Reheating Process for the Semi-solid A356 Alloy;
半固态A356合金的二次加热工艺研究
2.
Detection of the Reheating State of Semisolid Hypoeutectic Al-Si Alloy;
半固态亚共晶铝硅合金二次加热状态检测
3.
The effects of processing parameters of semi-solid billets preparation,reheating temperature and holding time on the semi-solid slurry microstructure of AlSi7MgBe alloy by liquidus semi-continuous casting were studied.
采用近液相线半连续铸造技术制备AlSi7MgBe合金半固态坯料,研究制坯工艺以及二次加热温度和保温时间对半固态浆料微观组织的影响,通过组织与性能分析对AlSi7MgBe合金的半固态触变成形性进行了研究。
5)  secondary crack
二次裂纹
6)  secondary dedusting
二次除尘
1.
The contact pattern of boiler auxiliary machinery was modified with the adoption of layer-by-layer coal charging technology,realizing secondary dedusting,improving the heat efficiency and reliability of boiler.
采用分层给煤技术,改造锅炉辅机连接方式,实现二次除尘,提高锅炉热效率和可靠性。
2.
Appropriate choice of top draft hood type is a key point for the modification project of secondary dedusting of converter off-gas at Xingtai Steelmaking Plant.
正确选定顶吸罩类型是邢钢转炉二次除尘改造治理的关键。
参考词条
补充资料:二氧化钍-二氧化铀燃料溶解
分子式:
CAS号:

性质:热硝酸能快速溶解辐照二氧化铀燃料,但溶解二氧化钍-二氧化铀燃料的速率非常慢。辐照二氧化钍-二氧化铀燃料要用硝酸-氢氟酸混合溶液溶解,最合适的溶剂是Thorex溶剂。二氧化钍-二氧化铀燃料颗粒越小,烧结密度越低,溶解速率越快,溶解速率也随燃料中二氧化钍含量减少和溶液中钍浓度的下降而加快。二氧化钍-二氧化铀在Thorex试剂中的溶解速率是比较缓慢的,如颗粒度为0.66mm,理论密度为90%~95%的压片,在过量200%的Thorex试剂中要溶解25~40h才能溶完。

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