Sentence examples for crucial ring from inspiring English sources
But she had five daughters with five vacancies for a Harry Winston emerald on their crucial ring fingers.
Firstly, a comparison of the ECD spectra of the synthesised (S)- and (R -enantiomers of 5 weR -enantiomersofconfirm a lack of inversion of the chiral centre, at this crucial, oxazolidinone ring closure stage.
Quantum mechanical calculations predict that larger heteroatom substituents on the periphery increase the feasibility of the crucial third ring closure in sumanene and are responsible for the accompanying modulations in the curvature, rigidity, stability and some of the physicochemical properties of the resulting heterosumanenes.
In these compounds the imidazole ring, crucial for the activity, is connected to a hydrophobic group, represented by aryloxy, benzothiazole, or benzoxazole moieties, by means of alkyl or thioalkyl chains of different length.
For example, bacteria may become resistant to antibiotics such as penicillin because enzymes called beta-lactamases are induced that hydrolyse the crucial beta-lactam ring within the penicillin molecule.
(2017) describe the detailed structure of Janus-faced IM30 rings crucial for thylakoid membrane fusion and membrane layer architecture.
1,3,4-Thiadiazole ring is crucial for the cytotoxic activity.
In our approach, the crucial 20 membered macrocyclic ring was formed employing the click chemistry.
Therefore, creation of these precursors and of the first aromatic ring are crucial rate-limiting soot formation steps in methane flames.
A qualitative structure-activity relationship (SAR) analysis revealed that the Cl substituent and its position at the pyridine ring were crucial for the compounds' activities.
