"nervous strain" is a correct and usable phrase in written English.
You could use it to refer to a physical or mental state of psychological discomfort caused by prolonged stress. For example, "The nervous strain of studying for exams was getting to be too much for her."
The first meeting between Cosgrove Harden and his uncle was the most tremendous nervous strain of my life.
When she continued to refuse him, he turned gingerly to her daughter, Iseult, though without result other than high-flown sentiments and nervous strain on either side.
For the rest, planning starts with deciding what best suits your party and your pocket, remembering that road miles stack up pounds in petrol plus nervous strain.
In Berlin he worked under severe nervous strain and was seriously ill in the winter of 1938.
WASHINGTON — President Wilson, showing great nervous strain, read his Message to the joint session of Congress to-day [April 8], and thereby broke a precedent of 113 years.
In 1972 he had an abortive stint as coach of the World Hockey Association's Quebec Nordiques, running the club for two games and then quitting, reportedly because of nervous strain.
Even the side that had dominated the last two days were beginning to get nervous, straining for the final wicket.
In the basement of the Gibson guitar showroom, strains of nervous song blast from the stage.
If you're nervous about straining your back, you can put a few pillows or a yoga block underneath your tailbone for support.
There is of course a certain nervous and unconscious strain about living under high explosive & gas shelling most of the time & the nights are usually the busiest so I have fully appreciated these few nights of warm comfortable sleeping I have had here at the rest camp.
EV71: Enterovirus 71; HFMD: Hand, foot and mouth disease; NS-EV71: Nervous system EV71 strains; nNS-EV71: Non-nervous system EV71 strains; S: Serine; T: Threonine; D: Aspartic acid; N: Asparagine; R: Arginine; K: Lysine; I: Isoleucine; V: Valine; L: Leucine; E: Glutamic acid; A: Alanine; P: Proline; G: Glycine; Q: Glutamine; F: Phenylalanine; H: Histidine.
