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Sn Mssbauer spectra have been recorded for eleven tin-nickel compounds of the type Clx,Sn[NiLCp]4x (L = CO, PPh3;x = 2,3) and Cl3SnNiL2Cp.S (S = solvent molecule). The center shifts are used to distinguish coordinated SnCl3 and uncoordinated ionic SnCl3, respectively. In the S...
根据PRECAM研究初步结果可知,短程放化疗联合恩沃利单抗给MSS局部晚期直肠癌患者带来了高达62.5%的pCR,即32例入组的患者中,有20例患者达到了pCR。这意味着,对于MSS局部晚期直肠癌可以通过新辅助短程放化疗联合免疫治疗达到更高的pCR,以实现更...
CAPability-01 研究是一项全国多中心、随机、双臂、II 期研究,在全国四个中心开展,旨在初步探索信迪利单抗+西达本胺 ± 贝伐珠单抗治疗无法切除的化疗难治性局部晚期或转移性 MSS/pMMR CRC 的疗效与安全性。 研究纳入了 48 例符合入组...
The 119 Sn—Mssbauer study on the vibrational study of some YBa 2 (Cu 0.995 ·Sn 0.005 ) 3 O 7γ superconductors has revealed that the n AvsT plot becomes constant below the Te(on)'s. This indicates that quenching of the Cu(1)-site vibration occurs around individual Te(on)'s of ...
The electronic state and local surrounding of both iron ions and tin dopant ions in Lu1 - xCaxFe0.997Sn0.003O3 (x = 0.003; 0.1; 0.2) compounds were studied by 57Fe and 119Sn Mssbauer spectroscopy. The analysis of 57Fe spectra showed that in the Lu0.8Ca0.2Fe0.997Sn0.003O3 sample, ...
Magnetization and 119 Sn Mössbauer spectroscopy studies were performed on two pseudoternary systems, namely U x Th 1− x CoSn and UCoAl 1− x Sn x . Magnetic hyperfine fields on 119 Sn nuclei were found to be due to local surrounding of U atoms which carry magnetic moments. In ...
The orthogonalization procedure for obtaining the electronic wave-function at the nucleus in Sn from the pseudo-wave-function is compared with a matching calculation, and the agreement is good. An expression is obtained for the total charge density at the nucleus in terms of the pseudopotential....
The channeling results in hot implants show that Sn is embedded substitutionally, and the Mssbauer parameters are nearly dose independent in the range indicated above. Except for a very low-dose implant (1013 atoms/cm2) the room-temperature implants lead to complete damage (no channeling dip) ...
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