osteopath
发表于 2025-3-23 11:38:11
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不爱防注射
发表于 2025-3-23 14:34:04
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Moderate
发表于 2025-3-23 19:08:03
Klaus Weltnerlyses showed that 5-bromouracil (13) and 4-thiouracil (14) derivatives through the C-2 carbonyl group. In the present experiment we observed .C magnetic resonances of single base derivatives in solution and tried to find interaction sites from the concentration dependency of chemical shifts.
名义上
发表于 2025-3-24 01:11:37
Klaus Weltnerlyses showed that 5-bromouracil (13) and 4-thiouracil (14) derivatives through the C-2 carbonyl group. In the present experiment we observed .C magnetic resonances of single base derivatives in solution and tried to find interaction sites from the concentration dependency of chemical shifts.
草本植物
发表于 2025-3-24 03:47:06
Klaus Weltnerformation about relaxation times and the structure of the molecules under investigation. Owing to the rather short relaxation times, spectra in CW mode can be recorded using large RF power, and pulsed spectra can be very quickly obtained owing to short delay times.
COW
发表于 2025-3-24 08:09:22
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不出名
发表于 2025-3-24 11:29:32
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exhibit
发表于 2025-3-24 16:14:32
Klaus Weltnerrmorite structure as revealed by XRD, IR and .Si MAS NMR spectroscopies, with a drierketten arrangement of silicate chains of which the length is obtained from the Q./Q. ratio. Chains are mainly pentamers when C/S≅ 1 and dimers when C/S≥1.5. A structural model is proposed for accounting for the evol
micronutrients
发表于 2025-3-24 21:12:53
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glisten
发表于 2025-3-25 02:31:39
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