The phrase "and in the proportion of" is correct and usable in written English.
It can be used when discussing ratios or comparisons between quantities or elements in a specific context.
Example: "The ingredients should be mixed together and in the proportion of two parts flour to one part sugar."
Alternatives: "and at a ratio of" or "and in a ratio of".
These habitats were markedly different in terms of tree species richness, and in the proportion of pioneer, large-seeded, and emergent species.
Sustained levels of serum hFLex correlated with significant increases in the size of the lymphoid organs and in the proportion of dendritic cells and NK cells in both lymph nodes and spleen.
These include a decline both in the membership of political parties and in the proportion of people who turn out to vote.
"We looked at county data from 1990 to 2000, and the counties where income inequality grew the most, even after controlling for other factors, had higher increases in divorce rates and bankruptcy filings, and in the proportion of those taking long commutes," Dr. Frank said.
An Ofqual spokesman said: "These figures show a significant increase in the number of enquiries about results [EARs] for GCSEs and A-levels, and in the proportion of grades being changed as a result, although this is increasing at a slower rate.
With the addition of MnO2, TiO2, and CAS fixed at 0.6 wt% of the total weight of the ceramic and in the proportion of 2 3 1, the sample sintered at 1550 °C for 1 h reaches about 97% of theoretical density.
Approximately 98% of theoretical density can be obtained for the sample incorporating the MgO Y2O3 SiO2 additives, when the addition of MgO, Y2O3, and SiO2 was fixed at 6 wt% of total weight of the ceramic and in the proportion of 1 3 2.
A lower pH leads to an increase in dissolved Al and in the proportion of free ions (Al3+).
This was confirmed by the statistically significant differences between new immigrants and old settlers in sale rates and in the proportion of adult males kept, with old settlers selling a higher proportion of their immature male and female stock.
This study predicts that under optimum conditions, useful gains in efficacy and in the proportion of responders in a community can be obtained through the use of vaccines containing mixtures of immunogens targeting a single pathogen.
In non-necrotic regions, mainly at the periphery of the tumor, a strong reduction in the level of AR expression and in the proportion of KI67-positive proliferating cells was observed (Figure 3D).
