The phrase "one half of which" is correct and usable in written English.
You can use it when talking about two portions of a whole that each make up 50%, for example: "The room was split down the middle, one half of which was filled with books."
York-based craft beer specialist Pivovar now runs four station bars at York (it serves excellent pork pies, too); Sheffield (beautiful building, one half of which is a brewpub); Euston; and its latest addition, Harrogate.
The debut novel that coined the term "cyberspace" centres on Case, a disabled data thief who has hit rock bottom but is offered a chance of rehabilitation and redemption by an ambiguous new employer: his ultimate task is to hack past the passwords into a stupendously powerful artificial intelligence (one half of which is called Neuromancer) belonging to a clan of plutocrats.
Conclusion: Approximately one third of triplet gestations are complicated by thrombocytopenia, one half of which are severe.
The whole thing started off pretty unspectacularly when Mr. and Mrs. Baumberger (aka the Busters, one half of which is Dolly Buster, Germany's most famous porn star who spread her legs for hundreds and hundreds of European adult movies and her husband) signed a little form without actually being aware of what they were signing.
FOR a small, crowded island, Britain is well served by airports: it has 54 active ones, half of which ferry under 300,000 people a year.
Four respondents thought that these guidelines were accessible in an emergency setting, one-half of which were on computer systems requiring a login and search function.
The human MHC region spans 3.6 Mb containing more than 250 genes, more than one-half of which have immunological functions.
PAM was applied to RNA sample set 2 to derive an age cohort signature consisting of 128 unique genes (145 probes), one-half of which were overexpressed in the younger cohort relative to the older cohort and one-half of which were overexpressed in the older cohort relative to the younger cohort.
There are exceptions to this: some areas with harsh climates, including the Namib Desert and the Karoo in the west of South Africa, have an estimated 4,500 plant species, a third to one-half of which are endemic.
In response to recent reports that dust from pavement with coal-tar-based sealcoat contains extremely high concentrations of PAH, we measured PAH in SHD from 23 apartments and in dust from their associated parking lots, one-half of which had coal-tar-based sealcoat (CT).
In this study, we investigated the relation between PAH concentrations in SHD and several potential explanatory factors, including sealcoated parking lot surfaces, by analyzing dust from ground-floor apartments in Austin, TX, and from the associated apartment-complex parking lots, one-half of which had coal-tar-based sealcoat.
