1 hour 30 minute vs 1 hour and 30 minute

Both phrases are not correct. The correct form is "1 hour and 30 minutes." The word 'minute' should be in plural form when referring to more than one minute.

Last updated: March 27, 2024 • 2458 views

1 hour 30 minute

This phrase is incorrect. 'Minute' should be in plural form when referring to more than one minute.

Incorrect. Use '1 hour and 30 minutes' instead.

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INCUBATE IN A WATER BATH AT 37 C UNTIL THE GROWTH OF THE STRAIN ENTERS ITS LOGARITHMIC PHASE (1 HOUR 30 MINUTES TO 2 HOURS).
WHEN THE SOLVENT FRONT HAS CLIMBED 15 TO 20 CM (APPROX. 1 HOUR 30 MINUTES), STOP CHROMATOGRAPHY AND DRY THE PAPER.
Within 30 minutes to 1 hour after the end of inhalation, iloprost is not detectable in the central compartment (limit of quantification 25 picograms/ ml).
Uneaten food and faeces are siphoned daily from the test chambers shortly after feeding (30 minutes to 1 hour).
Uneaten food and faeces are siphoned daily from the test chambers shortly after feeding (30 minutes to 1 hour).
During 1 hour intravenous infusions of 4 doses (7.5, 15, 30, 60 U/ kg) of imiglucerase, steady-state enzymatic activity was achieved by 30 minutes.
Following single IV and IM doses of parecoxib sodium 20 mg, Cmax of valdecoxib is achieved in approximately 30 minutes and approximately 1 hour, respectively.
So what I did was me and a couple of my friends would sit on him and about 30 minutes, 1 hour he was suffocated, that guy, and was thrown, thrown out of the wagon.
a. A maximum 'endurance' greater than or equal to 30 minutes but less than 1 hour; and
In two days my dad works 20 hours, rests 28 hours. I study 27 hours 30 minutes, rest 20 hours 30 minutes.
annul the Parliament's decision rejecting the claim for restitution of the financial and/or other value of 207 hours 30 minutes which were deducted from her annual leave and then from her salary/pension;
When the decision is made to discontinue inhaled nitric oxide therapy, the dose should be reduced to 1 ppm for 30 minutes to one hour.
By way of exception from paragraph 1, in the case of national carriage of passengers on regular services Member States may fix the minimum break at not less than 30 minutes after a driving period not exceeding four hours.
THE INCUBATION PERIOD CHOSEN (GENERALLY 2 HOURS 30 MINUTES TO 3 HOURS) MUST BE SUCH THAT IT WILL BE POSSIBLE TO TRACE TRANSMISSION CURVES WITH GRADIENTS SUITABLE FOR ACCURATE MEASUREMENT.
Following subcutaneous injection, onset of action is within 30 minutes, the phase of maximum action is between 1 and 4 hours after injection and the duration of action is 7 to 9 hours.
The second break of not less than 30 minutes after a further three hours' driving time, as required by virtue of paragraph 1, may be replaced by breaks of not less than 15 minutes each, to be scheduled during or immediately after the driving time.
Patients on the comparator arm received cisplatin (P) 100 mg/ m² as a 30-minute to three-hour intravenous infusion on day 1 followed by the continuous intravenous infusion of 5-fluorouracil (F) 1000 mg/ m²/ day from day 1 to day 5.
The starting infusion rate should be 1 mg/ kg per hour, which should be gradually increased by 2 mg/ kg/ hr every 30 minutes until the maximum rate of 7 mg/ kg/ hr is reached.
In the case of part-time work, the leave referred to in paragraph 1 shall be reduced in proportion to the normal working hours, but may not be less than 30 minutes.
1-28/29 February: at least 3 hours and 30 minutes between first arrival in Bod and last departure from Bod,

Alternatives:

1 hour and 30 minutes

1 hour and 30 minute