在马来语 词典里praseodimium的定义
用于制造玻璃染料，催化剂等的praseodimium sj金属元素 praseodimium sj unsur logam yg digunakan utk membuat pewarna kaca, mangkin, dll.
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1
Rare Earths - Halaman 164
... for Nd3+ having a 4I9/2 as ground state. This different magnetic behavior of Nd2BaCu05, if it is compared to that of the isostructural lanthanum and praseodimium compounds, can due to the different oxidation state of copper in these oxides.
2
Organoderivatives of Rare Earth Elements - Halaman 530
... 186 properties 166, 186 Structure 173 vapour pressures 166 Trimethylsilylmethyl complexes 17 Triphenylsilanolates of praseodimium and neodymium 366 Triphenylgermanolates of praseodimium and neodymium 366 Visible spectrum of ...
Mikhail Bochkarev, Lev N. Zakharov, Galina S. Kalinina, 2012
3
Optical Sensors - Halaman 58
Praseodimium, neodimium, and erbium rare-earth ions have been used as doping elements, the higher temperature coefficient being found for praseodimium of about 0. 1 dB/°C using absorption effects. Recently interesting work has been ...
José Miguel López-Higuera, 1998
4
Proceedings of the Third International Symposium on Ionic ...
Addition of praseodimium oxide leads to an increase in the unit cell volume (Table 1). Thermal expansion of the Bi{Y, Pr)Ol$yS ceramics can be approximated by two straight lines with a break at temperature 700 - 850 K. Values of thermal ...
T. A. Ramanarayanan, 1998
5
Advances in Chemical Physics, Photoselective Chemistry
In this picture the coupling of the praseodimium spin with the fluor nuclei has not been taken into account. Optical branching is known to occur in this transition from the work of Hartmann and co-workers'“ but sofar no clear photonecho ...
6
Nuclear Magnetic Resonance Spectroscopy in Molecular ...
The lower sensitivity to drugs of the Pr” induced shift of the choline head group signals might indeed be a result of its lower sensitivity to praseodimium (35). The most interesting and only differential effects of A*THC and CBD on the spectra of ...
Table 3 continued Atomic Atomic 0 Symbol Name Weight A) mass Pr PRASEODIMIUM 140.90 0.0000000541 Nd NEODYMIUM 144.20 0.0000002775 Pm PROMETHIUM 147.00 0 Sm SAMARIUM 150.40 0.0000000981 Eu EUROPIUM ...
8
Intermediate Organic Chemistry - Halaman 321
Enantiotopic groups or atoms in a molecule will also give separate signals in chiral media. for example, a chiral praseodimium reagent (compound 3.14 with Pr in place of Eu) added to a solution of benzyl alcohol in ccl4 gave two doublets, one ...
Ann M. Fabirkiewicz, John C. Stowell, 2015
9
Symmetries and Nuclear Structure: Proceedings from the ...
This work presents a systematic study undertaken to investigate the nuclear structure of neutron- deficient praseodimium nuclei (Z = 59). These nuclei belong to a region of rapid transition from nearly spherical nu- 1-9 clei to nuclei quite soft ...
Richard Albert Meyer, Richard A. Meyer, Vladimir Paar, 1987
10
Identification and Determination of Impurities in Drugs - Halaman 569
Paramagnetic metal ions possess such a property and among them europium and praseodimium was found to produce the smallest line broadening due to the general T1-decreasing effect of paramagnetic entities [43]. The induction of shift ...
