نتایج جستجو برای: ارزش 37 d
تعداد نتایج: 719815 فیلتر نتایج به سال:
Background: Hypocalcemia is one of the most prevalent complications following total thyroidectomy. Over recent years, in addition to hormone parathyroid hormone (PTH), vitamin D has been also studied as a factor causing post-total thyroidectomy hypocalcemia. This survey seeks to study the relationship between the serum level of vitamin D before surgery and during post-total thyroidectomy hypoca...
1. Berezyuk et al. 2019 – Berezyuk, S., Tokarchuk, D. and Pryshliak, N. 2019. Resource potential of waste usage as a component environmental energy safety the state. Journal Environmental Management Tourism X, 5(37), pp. 1157–1167, DOI: 10.14505/jemt.v10.5(37).23. CrossRef Google Scholar
In this paper, we give a generalized Cline?s formula for the Drazin inverse. Let R be ring, and let a, b, c, d ? satisfying (ac)2 = (db)(ac), (db)2 (ac)(db), b(ac)a b(db)a, c(ac)d c(db)d. Then ac Rd if only bd Rd. case, (bd)d b((ac)d)2d: We also present formulas group inverses. Some weaker conditions in Banach algebra are investigated. These extend main results of on g-Drazin inverse Liao, Chen...
1. Berezyuk et al. 2019 – Berezyuk, S., Tokarchuk, D. and Pryshliak, N. 2019. Resource potential of waste usage as a component environmental energy safety the state. Journal Environmental Management Tourism 10(5(37)), рр. 1156–1166, DOI: 10.14505//jemt.v10.5(37).23. CrossRef Google Scholar
One important determinant of the speed and success of transition will be the efficiency of transformation and development of the infrastructure sectors. A great deal of attention has been paid to issues such as privatisation, restructuring, user prices, and terms of access in these sectors, regarding both developed and developing countries. Some issues regarding vertical restructuring are notab...
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