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Analyses were conducted for individual analytes, total chlordane/heptachlor related compounds (sum of heptachlor epoxide, oxychlordane, and trans-nonachlor), and total PCBs.
Concentrations were generally low: the majority of samples had total melamine-related compounds (sum of all four analytes) of <0.05 mg kg−1.
The total of MEL-related compounds (sum of all four analytes) in all samples was below the interim standard of 0.5 mg kg−1 for infant formula products established by Health Canada.
In Nunavik and Lower North Shore samples, free thyroxine (T4) concentrations (log transformed) were negatively correlated with the sum of quantitated chlorinated phenolic compounds (sum PCP and sigma HO-PCBs; r = -0.47, p = 0.01, n = 20) and were not correlated with any PCB congeners or sigma PCBs.
Similar(55)
We performed prediction analyses for 24 traits in total (Table 1): 15 traits expected to be of most interest to breeders (Table 2) and 9 traits capturing additional compounds, sums, ratios, and proportions (Table S5).
In this case, the loss distribution reduces to a compound sum of the type L=L_{1}+ldots+L_{N} with random variables N (number of loss in the next year) and corresponding loss severities L 1,…,L N for each loss.
TVOC: ("total volatile organic compounds") the sum of all contaminants (TCE, PCE, trans-1,2-dichloroethylene, vinyl chloride and benzene) in the drinking water.
Although moderate yields are logically obtained for each compound, the sum of the isolated compounds represents 70%.
The phenol metabolites 2,4-DCP and 2,5-DCP were above the LOD in 99.8% and 91.8% of study participants, respectively, and were evaluated both as separate compounds and summed as total phenol metabolites.
For example, the high spin Fe2+ ions in six coordinate Fe(II) pyridine complexes had bond valence sums close to 2.0 vu but using the same parameters, low spin compounds had sums that clustered around 5 vu.
We use the following uninformative prior to filter out structurally impossible molecular formulas: for each compound, the sum of valences has to be greater than or equal to twice the number of atoms minus one; this is one of the "Senior rules" [55].
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