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1)  β-segregation
β-偏析
1.
The β-segregation at the grain boundaries and α-segregation in lamellar colonies can be efficiently eliminated after 1250℃/24h + 900℃/30min /AC for the alloy samples;but after 1280℃/6h+900℃/30min/AC,the volume fraction of β phase is very smal.
合金试样经1250℃/24h+900℃/30min/AC热处理后,可以有效消除晶界处的β-偏析和片层内的α-偏析;而经1280℃/6h+900℃/30min/AC就可以达到1250℃保温24h的效果,保温12h后β相完全被消除,但片层团平均晶粒尺寸有所长大,从原来的75μm增长到123μm左右。
2)  segregation [英][,seɡrɪ'ɡeɪʃn]  [美]['sɛgrɪ'geʃən]
偏析
1.
Influence of Gd and Y elements segregation on microstructure and mechanical properties of Mg-9Gd-4Y-0.6Zr and Mg-7Gd-4Y-0.6Zr alloys;
Gd和Y偏析对Mg-9Gd-4Y-0.6Zr和Mg-7Gd-4Y-0.6Zr合金组织性能的影响
2.
The Investigation of Macrosegregation Behavior and Microsegregation of Alloy Elements in GH3044;
GH3044合金宏观偏析行为及凝固过程中元素偏析规律研究
3.
Segregation and Its Mechanism of Al Alloys by Local Pressurization;
局部加压铝合金的成分偏析及其形成机理的研究
3)  microsegregation
偏析
1.
The microstructure characteristics and microsegregation of DD2 single crystal have been studied under ultra-high temperature gradient and rapid solidification conditions by laser rapid remelting.
利用激光快速熔凝技术对DD2单晶合金在超高温度梯度和快速凝固条件下的组织形态和元素的微观偏析行为进行了研究。
2.
The metallographic examination and eletron probe analysis have been carried out to investigate the effect of trace element(P,C,Si,Nb) on the solidification microstructure and the solidification microsegregation in Cr-Ni-Mn-N austenitic hydrogen resistant steels.
利用金相法和电子探针研究了微量元素P,C,Si和Nb对采用低偏析均质化技术炼制的Cr一Ni一Mn一N奥氏体抗氢钢凝固组织和微观偏析的影响,结果表明,降低P,C及Si的含量有利于Cr-Ni-Mn-N奥氏体凝固组织枝晶细化,Nb保持适当的含量对枝晶细化有利,分别减少P,C,Si和Nb在实验钢中的含量不仅能大幅降低元素自身的偏析,而且不同程度地影响到其它无素偏
3.
The most suitable process parameters were obtained; the microstructure and microsegregation of the product were analyzed, the effects of process parameters on the microstructure were also obtained.
利用实验室新建立的双辊铸轧机进行了高速钢薄带铸轧实验研究,得到了实验用高速工具钢薄带铸轧的最佳工艺参数;对铸轧高速钢薄带的显微组织及偏析情况进行了分析,得到了主要工艺参数对铸带组织分布的影响规律,为铸轧高速钢薄带的后处理方法及工艺的制定奠定了基础;实验表明,新建立的铸轧系统铸轧过程稳定,能够铸轧出表面质量和边部质量较好的高速钢薄带产品。
4)  A-segregates
A偏析
1.
Numerical simulation on A-segregates during horizontal solidification in Pb-Sn alloy;
Pb-Sn合金侧向凝固过程A偏析的数值模拟
2.
A mathematical model for the formation of A-segregates during the solidification process of binary alloy was built based on the heat and mass transfer phenomena.
建立了描述二元系合金凝固过程热溶质传输行为的数学模型,利用该模型模拟计算了不同冷却速率下Pb-Sn合金侧向凝固过程A偏析的形成及演化过程。
5)  segregate [英]['seɡrɪɡeɪt]  [美]['sɛgrɪ'get]
偏析
1.
Si can not only segregate in interdendritic or intergranular zones greatly, but also dissolve into the matrix noticeably.
结果表明,随着Si含量的升高,K40S合 金凝固时界面生长由枝晶生长转向明显的内生生长;Si元素主要在枝晶间或晶界偏析,但当 Si含量升高到一定程度后,枝晶内的浓度逐渐升高而达到显著水平;Si元素对合金中Cr、Ni、W 等元素的分布有影响,进而影响碳化物的形
6)  β-calcium metaphosphate(β-CMP)
β-偏磷酸钙
1.
A two-step method was used to prepare poly L-lactide(PLLA)/ β-calcium metaphosphate(β-CMP) fracture fixation composites.
以聚乳酸和自制β-偏磷酸钙晶须为原料,采用"两步模压法"制备聚乳酸/β-偏磷酸钙晶须复合骨折内固定材料,并对复合材料的力学性能进行了检测。
补充资料:1-[β,β,β-三(对氯苯基)丙酰]-4-甲基哌嗪
分子式:C26H25CL3N2O
分子量:487.85
CAS号:2390-22-9

性质:该品溶点213-215℃。作兽用驱虫药时常用基盐,又称Dieroden。盐酸盐的熔点为267-269℃,易溶于热水和醇。

制备方法:以三(对氯苯基)甲醇(Ⅰ)为原料,与氰乙酸加成得β,β,β-三(对氯苯基)丙腈(Ⅱ),经浓硫酸水解得β,β,β-三(对氯苯基)丙酸(Ⅲ),再用五氯化磷酰氯化,得到β,β,β-三(对氯苯基)丙酰氯(Ⅳ),最后与N-甲基哌嗪缩合制得海涛林。

用途:该品为治疗牛、羊矛形腔吸虫病的高效药物,具有作用强、驱虫率高(96%以上)、毒性低、适口性好等优点,国外畜牧业应用十分广泛。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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