Articles with "combined ray" as a keyword



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A combined X-ray crystallography and theoretical study of N-H...OX (X is =P and -C) hydrogen bonds in two new structures with a (C-O)2(N)P(=Y) (Y is O and S) skeleton.

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Published in 2018 at "Acta crystallographica. Section C, Structural chemistry"

DOI: 10.1107/s2053229618014006

Abstract: The crystal structures of N,N'-(cyclohexane-1,4-diyl)bis(O,O'-diphenylphosphoramide), C30H32N2O6P2 or (C6H5O)2P(O)(1-NH)(C6H10)(4-NH)P(O)(OC6H5)2, (I), and N,N'-(1,4-phenylene)bis(O,O'-dimethylthiophosphoramide), C10H18N2O4P2S2 or (CH3O)2P(S)(1-NH)(C6H4)(4-NH)P(S)(OCH3)2, (II), have been investigated. In the structure of (I), with an (O)2(N)P(O) skeleton, two symmetry-independent phosphoramide molecules are linked through N-H...O=P… read more here.

Keywords: theoretical study; hydrogen; hydrogen bonds; ray crystallography ... See more keywords
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Finger touching combined X-ray-guided percutaneous nephrolithotomy in 640 cases: an 8-years' experience.

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Published in 2022 at "European review for medical and pharmacological sciences"

DOI: 10.26355/eurrev_202204_28617

Abstract: OBJECTIVE We aimed to evaluate the safety and efficacy of finger touching combined X-ray-guided percutaneous nephrolithotomy, and the feasibility of avoiding damage in medical staff caused by X-ray. PATIENTS AND METHODS From January 2013 to… read more here.

Keywords: combined ray; ray guided; percutaneous nephrolithotomy; ray ... See more keywords