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1)  double donors
双施主
1.
The approach of excess donor doping was adopted to study the influence of double donor twice dop-ing on the properties of the BaTiO3based PTCR material with different ratio of the double donors, and to explorethe ways of improving PTCR properties of materials.
采用过剩施主二次掺杂法,研究双施主二次掺杂时两种施主相对比例不同对于BaTiO3材料性能的影响,发现过剩施主二次掺杂对受主杂质进行补偿比一次掺杂效果好,在相同掺杂量的情况下,可获得更大的PTC效应和更低的室温电阻率。
2)  double-donor doping
双施主掺杂
1.
The effect of double-donor doping of Sb2O3+Ta2O5 on PTC characteristic of the low resistivity BaTiO3-based ceramics was investigated.
研究了Sb2O3和Ta2O5双施主掺杂对低电阻率的BaTiO3陶瓷PTC特性的影响。
3)  two-donor model
双施主模型
1.
The Kukhturev single-donor model of recording and reading of holograms with photorefractivecrystuls Bi12SiO20-type is amended by the two-donor model.
双施主模型对Bi12SiO20(BSO)类光致折射晶体中全息图记录和读出的Kukhtarev单施主模型进行了修正。
4)  double donor
双重施主(冶)
5)  donor [英]['dəʊnə(r)]  [美]['donɚ]
施主
1.
Investigation of the acceptor and donor in fast neutron irradiated Czochralski silicon;
快中子辐照直拉硅中受主和施主的研究
2.
he electrical properties of (MgCoNi)O samples doped with small amounts of donor La2O3are studied.
研究了掺杂La2O3施主的(MgCoNi)O系氧敏材料性能。
3.
donors appeared.
退火处理时,辐照缺陷的退火及其与硅单晶中氧、碳杂质的相互作用,使得辐照后的CZSi退火行为比较复杂,在700~900℃退火范围内电阻率值低于真实电阻率值,即出现了施主现象。
6)  donor [英]['dəʊnə(r)]  [美]['donɚ]
施主施钟质
补充资料:2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
CAS:38051-10-4
分子式:C13H24Cl6O8P2
中文名称:2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]

英文名称:2,2- bis(chloromethyl)-trimethylene bis[bis(2-chloroethyl)phosphate]
phosphoric acid, 2,2-bis(chloromethyl)-1,3-propanediyl tetrakis(2-chloroethyl)
2,2-bis(chloromethyl)trimethylene bis(bis(2-chloroethyl)phosphate)
2,2-bis(chloromethyl)-1,3-propanediyltetrakis(2-chloroethyl)phosphate
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