نتایج جستجو برای: gdiii complex
تعداد نتایج: 783868 فیلتر نتایج به سال:
abstract the cr(iii) and zn(ii) complexes with 2-((9,10-dihydro-1-hydroxy-9,10-dioxaanthracen-4-yloxy)carbonyl)benzoic acid as ligand have been prepared by reacting cr(no3) and zn(no3)2 and ligand in cloroform. the cr and zn complexes with 2-((9,10-dihydro-1-hydroxy-9,10-dioxaanthracen-4-yloxy)carbonyl) were also prepared in chloroform and aceton solutions. the uv-visible and ft-ir spectra of...
Gd(3)L is a trinuclear Gd(3+) complex of intermediate size, designed for contrast agent applications in high field magnetic resonance imaging (H(12)L is based on a trimethylbenzene core bearing three methylene-diethylenetriamine- N,N,N'',N''-tetraacetate moieties). Thanks to its appropriate size, the presence of two inner sphere water molecules and a fast water exchange, Gd(3)L has remarkable p...
One of the most promising applications for molecules built from paramagnetic metal ions is low temperature magnetic refrigeration.[1] Indeed recent studies have suggested that molecular coolers can outperform any conventionally-employed solid-state refrigerant material by orders of magnitude.[2] In order to do so, molecules must possess a combination of a large spin ground state (S), with negli...
let $x$ be a sufficiently nice scheme. we survey some recent progress on dualizing complexes. it turns out that a complex in $kinj x$ is dualizing if and only if tensor product with it induces an equivalence of categories from murfet's new category $kmpr x$ to the category $kinj x$. in these terms, it becomes interesting to wonder how to glue such equivalences.
The concept of complex fuzzy sets is a generalization of ordinary fuzzy sets. In this paper, we introduce the concept of complex fuzzy subhypergroups ($H_{v}$-subgroups) as well as the concept of complex anti-fuzzy subhypergroups ($H_{v}$-subgroups). We investigate their properties and their relations with the traditional fuzzy (anti-fuzzy) subhypergroups ($H_{v}$-subgroups), and we prove some ...
کاربرد موفقیت آمیز مدل های بارش – رواناب، به چگونگی واسنجی پارامترهای آنها بستگی دارد. مدل های مفهومی بارش - رواناب، عموماً دارای پارامترهای زیادی هستند که نمی توان آنها را به صورت مستقیم برآورد نمود و لازم است که آنها را در طول واسنجی مدل تخمین زد. هدف از انجام واسنجی، یافتن مقادیر آن سری از پارامترهایی است که باعث بهینه شدن معیارهای ارزیابی کارایی مدل می شوند. دو روش دستی و خودکار برای واسنجی ...
The preparation of η-cyclopentadienyl (η5-C5R5), η-arene (η6-C6R6), and η-cyclooctatetraenyl (η8-C8R8) bridging motifs are common in organometallic chemistry; however, the synthetic preparation of η-cycloheptatrienyl (η7-C7R7) bridging motifs has remained a synthetic challenge in 4f chemistry. To this end, we have developed a synthetic route towards a series of rare dinuclear organolanthanide i...
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