Sentence examples for are essential in some from inspiring English sources
The high quality resonant modes oscillating along the 1D structure provide strongly directional optical properties that are essential in some key applications such as coherent/incoherent optical light sources, requiring a highly directional emission with minimum spatial divergence [1, 2].
Finally, photons are essential in some aspects of optical communication, especially for quantum cryptography.
Whilst blood sampling and tumour biopsies are essential in some circumstances, often a less invasive procedure is sufficient and would improve trial recruitment.
These enzymes are essential in some filamentous fungi in the biosynthetic pathways of aflatoxins, glycerophospholipid metabolism and heme groups [ 18, 19].
While avoidance strategies are essential in some contexts, such as occupational asthma or confirmed food allergy, broad avoidance recommendations may lead to the perception that all patients should avoid anything that provokes their asthma symptoms.
At the donor (5') splice site, the last two exonic nucleotides (typically 5'-AG-3') could bind to the U1 snRNA [ 23] and the corresponding nucleotide positions are essential in some human splice sites [ 24, 25].
End rhyme is essential in some forms of folk poetry, such as the funeral verses that appear in newspapers, inserted by bereaved families and often composed from a medley of the newspaper's offered lines.
In bony fishes, prolactin is concerned with the regulation of the level of sodium in blood plasma; it therefore is essential in some teleost species (e.g., Poecilia lattipinna) for the maintenance of life in fresh water.
But the report argues that the use of mice is essential in some cases and should not be banned.
Although MRI can visualise the shape of the thorax, which may be essential in some syndromes or skeletal dysplasias (Fig. 8), its predominant task is the assessment of the foetal lungs [1, 5].
While this may be essential in some clinical situations such as emergency departments, it potentially reduces the interaction between sub-specialist radiologists to the detriment of their wider knowledge and technological development.
