检索结果-南通市图书馆

Study of Complexes Formed by Adrenaline with Nd^(3+),Gd^(3+) and Tm^(3+)

在线全文

学校读者我要写书评

暂无评论

Journal of Rare Earths 1992年第4期10卷 267-271页

作者：沈浪涛朱道宏 China Institute of Atomic Energy Beijing 102413China

The solution reaction mechanisms,composition,donor atoms,properties of coordinate link and stability of the complexes on the systems of adrenaline with Na^(3+),Gd^(3+)and Tm^(3+)have been studied by pH-potentiometric titration and electronic *** perturbs the f-f electronic transition of Nd^(3+)and Tm^(3+)so that the absorption spectra of their complexes are shifted toward longer *** absorption spectra of the complexes formed by the three f-block element ions with adrenaline are shifted toward shorter wavelengths with the increase of PH in Δγ=350～650 nm

关键词： Adrenaline Neodymium Gadolinium thulium Solution equilibrium

Determinations of ^(171)Er half-life and some ^(171)Tm transition energies

在线全文

学校读者我要写书评

暂无评论

Nuclear Science and Techniques 2018年第3期29卷 102-106页

作者： Tuncay Bayram Serkan Akkoyun Department of Physics Faculty of Science Karadeniz Technical University Department of Physics University of Cumhuriyet

The neutrons have been captured by Erbium nuclei which were received by using clinical electron linear accelerator. In this experiment, the possibility of the neutron capture process has been observed because of emitted neutrons appearing in the experimental area. In particular,neutron capture of ^(170)Er nucleus has been observed. After the neutron capture of ^(170)Er nucleus, the unstable ^(171)Er has been formed and decayed into the ^(171)Tm. By using this reaction path, some transition energies of ^(171)Tm obtained from the residual activity measurements and the half-life of ^(171)Er have been determined, and they are in agreement with adopted values in the literature.

关键词： Erbium thulium Half-life Transition energy Bremsstrahlung Photonuclear reaction

Safety and feasibility of thullium laser transurethral resection of prostate for the treatment of benign prostatic enlargement in overweight patients

在线全文

学校读者我要写书评

暂无评论

Asian Journal of Urology 2019年第3期6卷 270-274页

作者： Luca Carmignani Maria Chiara Clementi Claudia Signorini Gloria Motta Sebastiano Nazzani Franco Palmisano Elisa De Lorenzis Michele Catellani Alessandro Francesco Mistretta Andrea Conti Valeria Tringali Maria Beatrice Costa Damiano Vizziello Policlinico San Donato UrologySan DonatoMilaneseItaly Ospedale Maggiore Policlinico UrologyMilanItaly Istituto Europeo di Oncologia UrologyMilanItaly Ospedale San Giuseppe UrologyMilanItaly

Objective:We aimed to determine safety and feasibility of thulium laser transurethral vapoenucleation of prostate(ThuVEP)for treatment of obese patients affected by benign prostatic hyperplasia(BPH).Methods:We retrospectively analysed data of 452 patients with BPH who underwent ThuVEP from February 2012 to March 2016 in a single *** were divided into three groups according to body mass index(BMI,kg/m^2):Normal weight(18.5≤BMI0.05).There was no statistically significant difference among three groups as for hospital stay and days of catheterization(p>0.05).Conclusion:Our results showed that ThuVEP was safe and feasible even in overweight patients with substantially enlarged prostate.

关键词： Laser thulium Prostate Overweight

Electrode Effect on Separation of Yb/Tm, Lu by an Electrolytic Reduction Process in Sulphate Medium

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Rare Earths 2005年第5期23卷 645-645页

作者： Zhang Bo Jia Jiangtao Liao Chunsheng Yan Chunhua Deng Guangming Dai Zhidong Xue Jihui State Key Lab of Rare Earth Materials Chemistry and Applications Beijing100871 China Belting Institute of Founder Rare Earth Science and Technology Beijing100085 China Liyang Rhodia-Founder Rare Earths New Materials Co. Ltd. Liyang213300 China

YbSO4 purification by an electrolytic reduction method from Tm-Yb-Lu concentrates in sulphate medium was studied, in which Ru-Ir-Ti alloy nets and mercury were used as anode and cathode respectively under normal atmosphere without nitrogen or argon gas protection. The parameters of the electrodes, such as their areas, positions, and the distance between the anode and cathode were optimized for the electrolytic reduction process. By the optimal process, the product YbSO4 is purified to 99. 5% with recovery of 80%. Meanwhile, Lu is also concentrated into 50%, which is beneficial to its further purification.

关键词： ytterbium thulium lutetium electrolytic reduction electrode sulphate rare earths