Samarium相关论文
用两脉冲激光两步激发和光电离的方法,观察了Sm原子在电离限附近的光电离谱,测定了在45321.8～45802.9cm~(-1)能量区间的70余个能级......
Effect of Sm-doping on the morphology and magnetic properties of radio frequency magnetron sputtered
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
目的 探讨153Sm标记环九肽对人前列腺癌PC-3细胞生长的直接抑制作用.方法 用间接法合成153Sm-DTPA-半胱氨酰-甘氨酰-精氨酰-精氨酰......
目的建立能同时检测抗HCV－免疫球蛋白(Ig)M和抗HCV－IgG抗体的时间分辨荧光免疫分析(TRFIA)法。方法采用HCV重组抗原包被，制备Eu3＋标记......
Facile Synthesis of Amidines via Intermolecular Reductive Coupling of Nitriles with Azobenzene Promo
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Michael Additions of Activated Methylene Compounds to α,β-Unsaturated Esters Promoted by Samarium (Ⅲ
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Synthesis of β -aminoesters and α -selenoesters via Active Metal Bismuth Produced by Sm/BiCl3 System
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Synthesis of Enamines via the Cross-coupling of Thioamides and Diarylketones Promoted by the Sm/SmI2
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
目的利用中草药与153Sm-EDTMP联合治疗骨转移癌,以提高153Sm-EDTMP的疗效和减轻其骨髓抑制的副作用。方法选择经临床和病理确诊为......
The SnO2-x with different oxygen vacancy concentrations was modified by adding Sm. The modified SnO2-x was investigated ......
The influence of swelling and stripping acidity on the mass transfer coefficient based on water phase and the inner diam......
The effect of Sm (0 wt.%-2 wt.%) addition on the corrosion behavior of Mg-6Al-1.2Y-0.9Nd alloy in 3.5 wt.% NaCl solution......
Synthesis and luminescence properties of Ca2SiO4-based red phosphors with Sm3+ doping for white LEDs
Sm3+-activated Ca2SiO4 red phosphors were prepared by the conventional high-temperature solid-state reaction method,and ......
The mechanical properties of Al-Cu-Mn casting alloy mainly depend on the morphology,distribution,size,and number ofθ′(......
Effects of the penetration temperature on structure and electrical conductivity of samarium modified
Gaseous penetration technique was adopted to improve the electrical conductivity of BaTiO3 powders and the effects of pe......
Synthesis, X-ray structure and luminescent properties of Sm3+ ternary complex with novel heterocycli
A new neutral ternary samarium complex Sm(Phen)HL3 in which Phen is 1,10-phenanthroline and HL is (1,3-bis(1,3-dimethyl1......
Spraque-Dawley(SD)big rats with weaning weight of (195±15) g were randomly divided into 4 groups with 8 males and 8 fem......
The subcellular localization of samarium and europium, two rare-earths, increasingly used in both medical and industrial......
The title complex ([SmN(CH2COO)3 (H2O)2 ]· H2O, Mr = 392.52)has been prepared from Sm(ClO4)3 and NH2 (CH2COO)3Na in aqu......
The optical absorption spectra of infrared stimulable phosphor SrS∶Eu, Sm in the saturated and bleached states of optic......
Synthesis of β -aminoesters and α -selenoesters via Active Metal Bismuth Produced by Sm/BiCl3 System
Active metal bismuth is produced in situ via Sm/BiCl3 system in aqueous media. Promoted by this active species, β-amino......
Michael Additions of Activated Methylene Compounds to α,β-Unsaturated Esters Promoted by Samarium (Ⅲ
Promoted by SmI3 β-diketones, β-ketoesters and α–cyano esters were added to α,β–unsaturated esters to form δ–ca......
Facile Synthesis of Amidines via Intermolecular Reductive Coupling of Nitriles with Azobenzene Promo
The intermolecular reductive coupling of nitriles with azobenzene induced by SmI2 was studied. Amidine derivatives were ......
Poly (N-vinylacetamide) (PNVA) was synthesized by the free radical polymerization and its samarium (III) binary complex ......
The title complex [(η5-C5H5)(THF)Sm]2[μ-η2:η2-N2Ph2]2·2THF has been synthe- sized by the reaction of divalent (C5H5......
The title complex [(ArO)2(THF)Sm(μ-OH)]2·2THF (Ar = C6H2-tBu3-2,4,6) was obtained by the hydrolysis of divalent (ArO)2......
Synthesis of Enamines via the Cross-coupling of Thioamides and Diarylketones Promoted by the Sm/SmI2
Enamines, promoted by the samarium/samarium diiodide mixed reagent, were synthesized via the cross-coupling of thioamide......
Synthesis and Crystal Structure of N-phenylthiocyano-phenyl-thioformamide-bis(η5-methylcyclopentadie
The insertion reaction of phenyl isothiocyanate into the Ln-S bond was studied. Phenyl isothiocyanate reacted with [(CH3......
在盐酸介质中,痕量稀土元素镨和钐催化双氧水氧化碘化钾生成单质碘,单质碘可使次甲基蓝褪色,基于此建立了催化动力学分光光度法测......
0．5×10^-3mol·L^-1的La^3＋和Sm^3＋溶液均能改善月季切花体内的水分平衡，增加切花鲜重和维持花径大小，减少花瓣溶质外渗，维持细......
研究了8-羟基喹啉（HQ）-庚烷体系从硝酸介质中萃取钐、钇的行为。考察了HQ浓度、平衡水相pH值及NO3离子浓度对稀土分配比的影响。研究......
Trivalent samarium ion (Sm3+) activated calcium molybdate (CaMoO4) phosphor was prepared by solid-state reaction in air.......
采用阴极轻度过烧工艺制备了Sm0.5Sr0.5CoO3-δ（SSC）阴极，并在单电池运行条件下利用25％CO2（体积比）对电池阴极进行了原位处理．XRD及TG分析......
为评价稀土元素钐对雄性小鼠睾丸组织结构的影响，将小鼠分组，并饮用含硝酸钐0、5、50、500、2000mg／L的蒸馏水，90d后处死，称量体重和睾......
研究发现在稀HCl介质中，微量钐（Ⅲ）对溴酸钾氧化瑞士色素褪色反应有很好的阻抑作用。据此建立了阻抑动力学光度法测定微量钐（Ⅲ）的新方......
建立了钐同位素丰度高精度的质谱测量法。对样品形态选择、离子转换效率、离子传输效率和离子接收效率进行研究，消除了浓缩同位素测......
氮气保护下干燥的四氢呋喃中，金属钐（B）促进1-碘代炔（A）sp-C间的偶联生成1，4-二芳基丁二炔化合物，收率37％～50％．反应的最佳条件：室温，n（A）；n（B）的比例......
目的探讨不同剂量硝酸钐给药后对雄性小鼠性行为的影响。方法ICR品系雄性小鼠随机分设5组,自由饮用含硝酸钐0,5,50,500,2 000 mg/L......
制备了羟乙基乙二胺三甲撑膦酸(HEDTMP)的153Sm标记物,研究了标记物的标记条件、体外稳定性、化学计量组成、兔SPECT骨扫描及小鼠......
研究了Sm(Ⅲ)-DBS·CPA-CPB-C2H5OH体系的光度特性和最佳反应条件,该体系与Sm(Ⅲ)-DBS·CPA体系相比,虽灵敏度未见明显提......
[目的]探讨不同浓度的稀土元素钐对蝌蚪生长发育的影响。[方法]以蝌蚪为材料，用含有不同浓度硝酸钐的湖水饲养蝌蚪，数周后测定蝌蚪的......
A series of Ni-Sm/sepiolite catalysts were prepared by impregnation. The modification of Sm2O3 for Ni/sepiolite was inve......
The intermolecular coupling of a nitro group with a cyano group mediated by a Sm(Hg) amalgam prepared from metal samariu......
以α，α＇-邻苯二甲基桥联双茚基钐二苯胺化物为催化剂，对丙烯腈聚合反应进行了研究，考察了催化剂用量、反应时间及反应温度对丙烯腈聚......
二（1-苄基取代茚基）二价钐与碘反应形成二（1-苄基取代茚基）钐碘化物，二（1-苄基取代茚基）钐碘化物与二苯胺基钾反应，合成了新的二（1-苄基取代......
首次探索了二价(t-C4H9C5H4)2Sm对4-乙烯基吡啶的催化聚合性能,发现二价(t-C4H9C5H4)2Sm可以单组分高效催化4-乙烯基吡啶的聚合,而......
采用浸渍法制备了Ni/sepiolite及Ni-Sm/sepiolite催化剂并测定了催化剂的CO甲烷化活性.采用抗热实验、XPS及CS2中毒等手段研究了钐......
通过光学显微镜、扫描电镜及能谱分析，研究了稀土元素钐对铸态Al-Si-Cu 合金组织和力学性能的影响。结果表明：稀土元素钐的添加不仅......
