钪
- 名scandium
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一种金属元素,银白色,质软,易溶于酸。一般在空气中迅速氧化而失去光泽。主要存在于极稀少的钪钇石中。可用以制特种玻璃及轻质耐高温合金等。
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用P(538)分离富集微量钪
The separation and concentration of Trace Scandium by p-538
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表面活性剂对钪-铜铁试剂络合吸附波的增敏效应Cu(Ⅰ)-烯丙基硫脲的络合吸附波
On the adsorptive - complex wave of copper ( ⅰ ) with allylthiourea
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用SEM、AES、EDS对电子发射材料(钪酸盐阴极)及其所用的多孔钨体的分析与研究
A Study of Electron Emission Material and Porous Tungsten by Means of SEM-AES-EDS
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ICP-AES手动扫描光电测定微量钪
The Manual-scanning Photoelectric Determination of Trace Scandium by ICP-AES
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铁矿中痕量钪的ICP-AES分析方法的研究
Study on The Method of Analysis for Trace Scandium in Iron Ores by ICP-AES
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离子交换-溶剂萃取ICP-AES法测定红泥中的钪
Determination of Scandium in Red Mud by Ion Exchange / Solvent Extraction ICP AES Method
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用于CRT的氧化钪分散型阴极的实验研究
Experimental study of dispersed SC _2o_3 oxide cathode
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研究了钪、钷外其他稀土金属硬脂酸皂对PVC热稳定作用。
The heat stabilities and transparencies of stearates of rare earth metals except scandium and promethium used as heat stabilizers as PVC were studied .
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本文提出了用ICP-AES测定白云鄂博矿中微量钪的新方法。
This paper presents a new method for the determination of trace element Sc in Baiyunobo ore by ICP-AES .
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TritonX-100增敏光度法测定铝土矿中的微量钪
Spectrophotometric determination of trace scandium in bauxite using the enhancing effect of triton X-100
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钪的直链聚醚配合物及其NMR波谱研究直链α-烯烃的合成
Studies on the Synthesis and NMR of Scandium (ⅲ) Complexes with Acyclic Polyethers Synthesis of linear α - olefin by Ziegler-Natta catalytic oligomerization of ethylene
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用SEM、EDS和IPS联机方式对多孔钨体及钪酸盐阴极的分析和探讨
Analyzing and Probing into Porous Tungsten and Electron Emission Material ( Scandate Cathode ) by SEM , EDS and IPS on-line Mode
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含钪Al-Mg合金的抗应力腐蚀和剥落腐蚀性能研究
Stress corrosion cracking and exfoliation corrosion resistance of Al-Mg alloy with addition of scandium
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通过IR、NMR测定和饱和法研究,提出了不同硫酸浓度下钪(Ⅲ)和硫酸的萃取机理。
Extraction mechanisms of scandium (ⅲ) and sulphuric acid under different concentrations of sulphuric acid in the aqueous phase are proposed through IR and NMR measurements and saturation extraction study .
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在聚乙烯醇存在下5-Br-PADAP分光光度测定微量钪的研究
A spectrophotometric mothod for determination of Trace Scandium with 5-Br-PADAP in the presence of PVA
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以PMBP为化学改进剂的电热蒸发/ICP-AES测定痕量钪的研究
Determination of Scandium in ETV ICP AES by Using PMBP as Chemical Modifier
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含三氯化钪盐酸浸出液中钪的HDEHP萃取研究
An Extraction of Scandium in the Acidic Solution Containing ScCl_3
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用XPS,APES和ARPES分析技术综合探测了钡钨阴极(包括铝酸盐、钨酸盐和钪酸盐阴极)的表面化学,获得了一些新的结果。
The dispenser cathodes are investigated by using modern surface analysistechniques ( XPS , APES and ARPES ) .
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PMBP萃取色谱法分离钪和镧系元素及钇的研究
Study on the Separation of Lanthanide , Yttrium and Scandium with the Method of PMBP-extraction Chromatography
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钪-铬天青S-TritonX-100络合物显色反应的研究
Studies on colour reaction of scandium-chrome azurol S-Triton X-100 complex
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含钪Al-Cu-Li合金的形变时效研究
Study of Deformation-Aging of Al-Cu-Li Alloy Containing Sc
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研究了在氯化十四烷基吡啶及乳化剂OP存在下,铬天青S与钪显色反应的适宜条件。
The study of optimum conditions of the colour reaction of scandium with chrome azurol S in the presence of tetradecyl pyridinium chloride and emulgent OP is reported in this paper .
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Al-6Mg-Mn-Sc-Zr铸态合金在均匀化退火时有硬化现象,硬度变化的原因是凝固过程形成的含钪锆过饱和固溶体发生分解,析出的Al3(Sc,Zr)粒子导致合金硬度的增加。
The reason for the hardness changing is the decomposition of the supersaturate solid solution contain Sc and Zr which is formed in solidifying process . The precipitated Al3 ( Sc , Zr ) particles cause hardness increasing .
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钪对铸态Al-Cu-Mg-Ag-Zr合金组织与性能影响
Effect of Sc on the microstructure and properties of as-cast Al-Cu-Mg-Ag-Zr alloys
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高纯氧化钪和金属钪样品经盐酸分解,在不分离钪基体元素情况下,采用ICP-AES方法测定样品中稀土元素和其他杂质元素。
Hydrochloric acid is used to decompose high purity Sc oxide and Sc samples . ICP AES Method is adopted to determine the rare earth elements and other elements , without separating Sc base elements .
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通过对190℃时效不同时间的含钪和不含钪AlLi合金维氏硬度测量和合金中强化相析出行为的透射电镜观察,研究了钪对铝锂合金时效硬化行为的影响。
The effect of scandium on the age-hardening behavior of Al-Li alloy was investigated by measuring the Vickers hardness of Al-Li alloys with and without scandium aged at 190 ℃ for different time and observing the precipitation of strengthening phases in the alloys using transmission electron microscope .
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浸出液萃取提钪试验,得到了纯度为99.85%的三氧化二钪和4N金属钪。
In the Sc extraction experiment with leachate , the Sc 2O 3 and Sc metal with a purity degree of 99.85 % and 99.99 % are respectively obtained .
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络合物至少稳定8d,并试验了30多种物质对测定钪的干扰。
The complex compound will keep stable for eight days at least . The effect of over 30 substances on the determination of Se has been tested .
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对ScF3-MF-Mg(Al)热还原法制备Al-Mg-Sc中间合金的新工艺实验条件进行了优化,制备出了含钪量为2%的Al-Mg-Sc中间合金,制备新工艺中钪回收率达80%;
It also optimized the experimental conditions of the new technics preparing Al-Mg-Sc master alloys in which the recovery of Sc is 80 % and got the Al-Mg-Sc master alloys with 2 % Sc content ;
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同时,也讨论了用PMBP从~(18)O离子辐照过的铀靶溶液中萃取分离钍时钪的沾污。
At the same time the contamination of the trace Sc in the thorium fraction separated from the solution of the uranium targets though PMBP extraction was discussed .