Sentence examples for retention time interval from inspiring English sources
The mono-aromatic steroid hydrocarbons and tri-aromatic steroid hydrocarbons elute beyond the GC retention time interval typical of compounds affected by diesel derived components.
Care was taken to ensure that the fragment or the fragment-ratio was unique for the respective component in the retention time interval.
The broad peak at the retention time interval from approximately 9 min to approximately 21 min was assigned as a mixture of hydrocarbons ranging from C9 (e.g. 3-methyl octane) to C13 (e.g. 3,4-dimethyl undecane).
This was performed in the selected ion mode for different ensembles of 6 ions and an individual dwell time of 30 ms. For a given component, one or two characteristic fragments were used to automatically detect the peak and evaluate its abundance in retention time intervals of +/−0.5 min (see Table S1).
For each aliphatic or aromatic class, structurally similar pyrolysis products (e.g. alkanes or alkenes and branched hydrocarbons) eluted with distinct retention time intervals of around 80 s as validated by serial inspection of their corresponding component mass spectra.
Systematic experiments spanning three years (2011 2013) were conducted to examine the purification effects of horizontal subsurface flow constructed wetland (HSFCW) and integrated flow (wave pattern flow) constructed wetland (IFCW) systems on urban rainwater runoff under different hydraulic retention time (HRT), operation interval days (OID), and water depths.
Also, dates are replaced by date tags that allow for the retention of the time interval between two dates.
A majority of the Lithuanian orthodontists (30.9%) considered that 1 year is the optimal time interval for the first retention period.
Then, the temperature was raised with a heating rate of 20 °C in every 2 min and a retention time of 2 min in every 20 °C interval.
Digesters were fed substrate (30 g L−1 total volatile solids) at 6-d intervals for 90 d, with a retention time of 30 d.
For each hydraulic retention time and air flow rate, experimental trials were conducted in triplicate at a time interval of 15 mins.
