trial batch

trial batch

[¦trīl ′bach]
(engineering)
A batch of concrete mixed to determine the water-cement ratio that will produce the required slump and compressive strength; from a trial batch, one can also compute the yield, cement factor, and required quantities of each material.

trial batch

Of concrete, a batch which is prepared to establish or check the proportions of the constituents.
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References in periodicals archive ?
After the trial batch testing is completed, the CFDA will consolidate the results of the technical review, site inspection and trial batch testing and summarize its final opinion.
I can tell you that the entry is savory and the trial batch we created last week was delicious, but still needs a couple of tweaks.
The oyster guts will be used to produce a trial batch of a candidate certified reference material.
The joint venture plans to release the first trial batch of phones in July this year.
The Emirates Industry for Camel Milk and Products (EICMP), which is the producer of the camel milk brand Camelicious, has been sending out its trial batch to the UK since January and will start its first regular shipment in March.
We'll release this trial batch through Teesside Beers and hopefully then continue our partnership.
In addition, DMZP has produced the first trial batch of 12 mm steel channel under European standards.
Councillors have approved spending pounds 137,000 on a trial batch of 350 new lamps, which can be centrally controlled by one computer.
CeDo's first 30 tonne trial batch has gone for processing to the company's large film recycling site in Geleen, Holland, where some 40,000 tonnes of post-use agricultural film is recycled annually--CeDo is one of Europe's largest recyclers of agricultural film, collecting silage waste from the UK, Ireland and continental Europe for recycling at Geleen.
The refinery had earlier in 2002 sold a trial batch of zero-sulphur diesel, which is not mandatory in the EU until 2009.
The resulting first trial batch of their new bricks is due next week,' said Dr Murphy, who used his background in industrial chemistry to help with the new brick's technical development.
He or she can run a single test mold in manual mode, or a trial batch in semiautomatic mode.