1) superconducting precursor powder
超导前驱粉
1.
Because properties of Bi system superconducting precursor powder have significant influence on tape fabrication process, so many groups inside and outside of china pay attention to preparing high quality precursor powder.
由于铋系超导前驱粉末特性 ,在带材制备过程中具有的重要影响 ,使得国内外非常重视制备高性能的超导前驱粉末 。
2) Bi-based superconductor powder
铋系超导前驱粉
1.
In the present paper a method was proposed for the determination of Fe,Cr,Ni,Si,Al and Ba in Bi-based superconductor powder(BSCCO,Bi2-xPbxSr2Ca2Cu3O8) by inductively coupled plasma atomic emission spectrometry(ICP-AES).
利用ICP-AES法测定了铋系超导前驱粉(BSCCO)中Fe,Cr,Ni,Si,Al和Ba等微量杂质元素,优化了仪器测定参数并研究了酸的种类及浓度对测定结果的影响。
3) precursor powder
前驱粉
1.
Its chemical homogeneity,accu-racy and precursor powders , short tapes prepared withthis rawpowder were studied.
利用喷雾热粉解法制备铋系超导初级粉末,对初级粉末成分均匀性、准确性及所获得的前驱粉、短样带材进行了研究。
2.
The influence of the phase assemblag e of precursor powder on microstructures and the properties of Bi (Pb)-2223/Ag tapes has been studied.
通过改变粉末的最终烧结温度制备出不同相组成的前驱粉。
4) drive of lead
超前驱动
5) precursor powder
前驱体粉末
1.
Results show that the precursor powder prepared by spray-drying has hollow structure and average particle size of cessthan 20μm.
结果表明:采用喷雾干燥方法能制备出平均粒径20μm以下的中空结构的前驱体粉末,粉末为结晶体;经过焙烧、球磨破碎能获得平均粒径为80nm左右的复合氧化钨铜粉体。
2.
Dissolving ammonium vanadate(NH_4VO_3)and nanometer carbon in de-ionized water,the precursor powder was obtained through heating and drying,and nanometer vanadium carbide was prepared through reduction/carbonization of the precursor powder.
将偏钒酸铵和纳米碳黑溶于去离子水中,通过加热、干燥后制得前驱体粉末,将前驱体粉末还原/碳化后得到纳米V_8C_7粉末。
3.
The precursor powder originated from the mixture of ammonium vanadate (NH4VO3) and nanometer carbon black.
以偏钒酸铵和纳米碳黑为原料,先制备前驱体粉末,再将前驱体粉末在一定温度下碳化/氮化得到纳米氮化钒(VN)粉末。
6) Coated precursor
包覆前驱粉
补充资料：正常（超导）—超导（正常）转变
正常（超导）—超导（正常）转变
transitionfromnormal(superconducting)statetosuperconducting(normal)state
一般指在常压下改变温度到Tc时，物质的电阻从R＞0（R=0）的正常态（超导态）到R=0（R＞0）的超导态（正常态）的转变。无磁场时这种转变属二级相变。
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