"half lower than" is correct and usable in written English.
You can use it when comparing one quantity to another. For example, "My electricity bill last month was half lower than the month before."
For parents, the appeal of a Chinese A.T.V. is not only its flashy design, but a price tag that is a third to a half lower than its domestic counterparts.
It is true that parliamentary byelections normally see a third to a half lower than the general election equivalent – getting voters to the polls for byelections is always hard work.
Five of the 16 remaining men's teams had graduation rates that were a third to a half lower than the university's overall graduation rate for all male athletes, the study showed.
Stock in consumer-lending companies controlled by other Japanese billionaires also trade at multiples a third to a half lower than those of U.S. credit card companies, their closest counterparts in the business of unsecured lending.
Somewhat surprisingly, there was a modest slowdown in 2014, with investment in the first half lower than a year earlier, largely due to a fall in spending on energy projects.
"My right shoulder is an inch and a half lower than it should be," he said.
A tour of the field on Tuesday showed that it has emerged largely undamaged from its layer of dirt and mud, although one long section of the strip is not paved with as many layers of asphalt as the rest -- a condition roughly equivalent to one lane on a highway being about an inch-and-a-half lower than the others.
It can be noticed a general good insulation inside the nave; actually, as better evidenced in the Box-Whisker plots (Figure 8 (a-b)), the T and RH fluctuations for all the indoor sensors result half, or lower than half, of the external ones.
Although mortality rates in 1989-91 were on average about one half lower for women than for men, subsequent decreases in mortality in Europe were more pronounced for women.
Three modalities of gene expression were defined according to the following cutoff values: decreased: more than one and a half times lower than the control value, normal: from one and a half times lower to one and a half times higher than the control value and increased: more than one and a half times higher than control value.
Older adults often require lower initial doses with slow titration and the initial dose should be one-half or lower than the normal starting dose (Antai-Otong 2006).
