نتایج جستجو برای: certified romp
تعداد نتایج: 13258 فیلتر نتایج به سال:
Introduction: It is an essential activity to quantify the Radiation Oncology Medical Physics (ROMP) workload for a safe, secure and progressive department. Due to the most recent development at Reza radiotherapy and Oncology Centre (RROC), a workload calculator tool is provided. Materials and Methods: The Project was performed in different sections includin...
Ring-opening metathesis polymerization (ROMP) utilizing Grubbs’ third-generation catalyst ((H2IMes)(Cl)2(pyr)2RuCHPh) shows the characteristics of living polymerizations, including molecular weights increasing with monomer conversion and ability to make (multi)block copolymers. However, irreversible termination reactions still occur due decomposition, leading terminated chains, especially in co...
Half-sandwich iridium complexes bearing hydroxyindanimine ligands were synthesized and employed as catalysts for the ROMP and vinyl-type polymerization of norbornene in the presence of methylaluminoxane (MAO).
Excellent control in the synthesis of MEH-PPV can be achieved by microwave assisted, ring-opening metathesis polymerisation (ROMP) of [2.2]paracyclophanedienes.
A series of new norbornene monomers containing sterically hindered phenol groups have been synthesized and polymerized via ring-opening metathesis polymerization (ROMP) using the Grubbs 3rd generation catalyst (G3’). ROMPs exhibit first-order kinetics molar masses increase linearly with monomer conversion well-controlled hindered-functionalized polynorbornenes were obtained a to initiator ratio...
Depending on the stimuli they encounter, B lymphocytes engage in signaling events that lead to immunity or tolerance. Both responses are mediated through antigen interactions with the B cell antigen receptor (BCR). Antigen valency is thought to be an important parameter in B cell signaling, but systematic studies are lacking. To explore this issue, we synthesized multivalent ligands of defined ...
Maria Eugénia Mata 1,† and Jose Tenreiro Machado 2,*,† 1 Faculdade de Economia, Nova School of Business and Economics, Campus de Campolide, Lisbon 1099-032, Portugal; [email protected] 2 Department of Electrical Engineering, Institute of Engineering, Polytechnic Institute of Porto, Porto 4249-015, Portugal * Correspondence: [email protected]; Tel.: +351-22-8340500 † These authors contributed equa...
Effects of arylimido ligands on the ring-opening metathesis polymerization (ROMP) norbornene (NBE), norbornadiene (NBD), and tetracyclododecene (TCD) were investigated using a series (arylimido)niobium(V)–alkylidene complex catalysts, Nb(CHSiMe3)(NAr)[OC(CF3)3](PMe3)2 [Ar = 2,6-Me2C6H3 (1), 2-MeC6H4 (2), 2,6-Cl2C6H3 (3)]. The catalytic activity in ROMP NBE for 1 was higher than 2 3 (toluene at ...
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