The phrase "a half period" is correct and usable in written English.
It can be used in contexts related to time, such as describing a duration that is half of a standard period or interval.
Example: "The experiment was conducted over a half period to observe the initial reactions."
Alternatives: "a half interval" or "a semi-period".
And so a couple specific examples– I decided that I wanted to get in front of every employee in the company in some way over a year or year and a half period.
"We went through a year and a half period, at least, with the private sector in free fall and government taking a much more significant role than anybody in normal times would want," said Mr. Goolsbee.
In this paper, we have proposed a design for slow light in a modified photonic crystal waveguide by inserting reduced air holes along the middle of the waveguide with a half period of the lattice and by shifting the second rows of holes toward the center of the modified waveguide.
In this instance, although many of the pieces were conceived in his studio in China they just happen to have emerged some 6,000 miles away in the middle of Europe, courtesy of email, Skype and Twitter (Ai is an addict: in one year and a half period he once posted 60,000 tweets).
And these new developers are building apps because usage is growing even faster – in that same year and a half period monthly API call volume has more than doubled, up 228%.
During a year and a half period (January 2013 to July 2014), all NVANP severe sepsis and septic shock consecutively patients in a teaching hospital with sepsis unit were prospectively evaluated, Clinical and microbiological variables were recorded.
American Crossroads reported taking in about $14.7 million in contributions over the month-and-a-half period, bringing the total amount for which it has disclosed donors to less than $23 million.
"The U.S. economy continues to show only moderate growth and has yet to emerge from the long year-and-a-half period of disappointing corporate profits and capital investment, now compounded by uncertainty over tax reform legislation," John F. Akers, I.B.M.'s president and chief executive officer, said.
The system worked for two and a half periods.
"He thought that was an unfair advantage, and he said we should split the game, playing one and a half periods in each goal.
"When you roll only three lines for two and a half periods, it gets tiring," said Zach Parise, the Devils' captain.
