"imposes a block" is an acceptable phrase to use in written English.
It is used to describe the act of blocking or restricting something or someone from taking a certain action. For example, "The government imposed a block on imports to protect domestic industries."
Yesterday Turkish authorities banned access to Twitter and YouTube after an Istanbul judge imposed a block on access to social media sites showing photographs of the prosecutor taken hours before he was killed.
In a post on his Telegram channel yesterday, Durov said the authorities had "imposed a block on Telegram", adding that it is "not clear whether permanent or temporary".
In a separate statement issued on 20 September, YouTube said it would consider imposing a block on the video in other nations that declared the movie illegal but only after a "thorough review".
As VEGFR2 has been shown to reside in a sorting endosomal compartment and to recycle to the cell surface upon VEGF stimulation [41], [42], absence of EHD3 and EHD4 in glomerular endothelial cells might be expected to impose a block to its recycling and thus disrupt its signaling.
Reduced levels of L-tryptophan suppress lymphocyte proliferation and, simultaneously, high levels of L-kynurenine impose a block on proliferation as well.
In recent years, our studies with the genetically tractable organism Drosophila melanogaster led to the identification of two independent retrograde signaling pathways that are activated upon mitochondrial dysfunction and impose a block in G1 S progression during the cell cycle (Mandal et al. 2005; Liao et al. 2006).
It is deficient in binding to RanGTP and imposes a general block on receptor-mediated NPC passage.
The IGS1 region of the rDNA repeat contains a replication fork barrier (RFB) (Voelkel-Meiman et al, 1987), where a protein complex including Fob1 imposes a unidirectional block to the progress of DNA replication forks.
