1) La_(0.3)Ce_(0.7)O_(2-δ)
La0.3Ce0.7O2-δ
2) deta-sigma
Δ-∑
3) oxygen-deficient nickel ferrite
NiFe2O4-δ
1.
5 g,the optimum reduction condition for the preparation of oxygen-deficient nickel ferrite,NiFe2O4-δ,reduced by H2 was as follows: reduction temperature was 320 ℃,H2 flow rate was 40 mL/min and reduction time was 3 h.
采用柠檬酸络合法制备NiFe2O4,运用XRD、DTA-TG等手段对其结构进行表征,并探讨还原条件对NiFe2O4-δ的结构稳定性及其催化分解CO2成C反应活性的影响。
4) δ phase
δ相
1.
The precipitation behavior of δ phase, γ ′′ and γ ′ phase was studied through adjusting precipitated strengthening elements Al, Ti and solution strengthening element W in 718 alloy.
通过对718合金中沉淀强化元素Al,Ti以及固溶强化元素W含量的调整,研究了δ相形成规律及合金中γ′′/γ′复合析出组织的形成条件,同时分析了合金的微观组织与力学性能之间的关系。
2.
It is shown that the addition of Ti and Al can evidently decrease the oxidation rates of alloy,and both Nb-15Ti-11Al and Nb-30Ti-15Al(β+δ) show superior oxidation resistance than Nb-35Ti-6Al(β) which may be attributed to the decreased solubility and diffusion of oxygen in δ phase.
研究表明,元素Ti和Al的加入能有效改善合金的抗氧化性能,合金中δ相的存在降低了氧的溶解度,同时抑制氧的扩散,因而两相合金Nb-15Ti-11Al和Nb-30Ti-15Al(β+δ相)抗氧化性能优于单相合金Nb-35Ti-6Al(β相)。
5) La_(0.8)Sr_(0.2)MnO_(3-δ)
La0.8Sr0.2MnO3-δ
6) δ' phase
δ'相
1.
A small angle X-ray scattering (SAXS) technique was used to characterize the interfaces between the δ′ phase and matrix in 2091 Al-Li alloy aged at 150 ℃ for different times.
采用小角X射线散射技术对2091Al-Li合金时效过程中δ′相的生长机制和相界特性进行了研究。
2.
The formation and the coarse of δ′ phase in 1420 Al-Li alloy treated by retrogression and reaging were investigated by means of small angle X-ray scattering (SAXS) technique.
采用小角 X射线散射技术研究了回归再回火处理 1 42 0铝锂合金 δ′相的形成和粗化 。
3.
Small angle X ray scattering (SAXS) technique was used to research the interfacial characteristic between δ′ phase and matrix in 8090 Al Li alloy aged at 160 ℃ for several times.
采用小角Ｘ射线散射技术研究８０９０Ａｌ－Ｌｉ合金回火析出δ′相的相界特征。
补充资料：chloroprene la-tex-pitch waterproof material
分子式：
分子量：
CAS号：
性质：深棕色乳状液。总固物含量≥43%，粘度0.1~0.25帕·秒。兼有氯丁橡胶和沥青的双重优点。具有防水、抗渗、耐腐蚀、耐老化、高温80℃不流淌、低温-35℃不龟裂、不延燃、无毒、抗基层变形能力强、冷施工等优点。主要用于层面防水，厕所卫生间地下防渗，修房补漏，沼气池密封防腐，水坝、涵洞、冷库等的防水。由氯丁胶乳和沥青为基料制得的一种水乳型建筑防水材料。
分子量：
CAS号：
性质：深棕色乳状液。总固物含量≥43%，粘度0.1~0.25帕·秒。兼有氯丁橡胶和沥青的双重优点。具有防水、抗渗、耐腐蚀、耐老化、高温80℃不流淌、低温-35℃不龟裂、不延燃、无毒、抗基层变形能力强、冷施工等优点。主要用于层面防水，厕所卫生间地下防渗，修房补漏，沼气池密封防腐，水坝、涵洞、冷库等的防水。由氯丁胶乳和沥青为基料制得的一种水乳型建筑防水材料。
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