The phrase "altered over a range" is correct and usable in written English.
It can be used when discussing variations or changes that occur within a specific set of limits or parameters.
Example: "The temperature of the solution was altered over a range of 20 to 80 degrees Celsius to observe its effects on the reaction rate."
Alternatives: "modified across a spectrum" or "changed within a range".
The chemical may be introduced at a precise time, the dose can be altered over a large range and the chemical may be removed simply by replacing the medium surrounding the embryo.
Figure 5 also showed that the point of transition from high viscosity to low viscosity was sharp, and the shear stress level could be altered over a modest range by changing the hydrophobicity and the amount of the added nanoparticles.
The AKT/PI3K/mTOR pathway is frequently altered in a range of human tumours, including bladder cancer.
And what qualifies as a castle has altered over time.
Interestingly, E2 coadministered with Dex in these cells altered and antagonized glucocorticoid-induced gene expression over a range of concentrations (0.01 10 nM E2) (Whirledge and Cidlowski 2013).
Thus gon-2 RNAi);gtl-1(RNAi) gon-2 RNAiect on the mean but alters the variability of the oscillator over a rangtl-1 RNAieratures. gtl-1 RNAi
The callipyge mutation has altered a putative long range control element [17] but has not altered the parent-of-origin allele-specific expression [10].
To determine whether a gene is required for DR and does not simply alter the optimal response to DR, lifespan must be examined over a range of bacterial food concentrations (Mair et al., 2009).
Steam explosion was carried out using pilot scale steam explosion apparatus, Supplementary Fig. S1 (Cambi, Asker, Norway), aliquots of 250 g were exploded over a range of severity factors achieved by altering residence time and temperature.
It then tests the resulting criteria over a range of pacing rates, and under conditions of altered QT interval in low K+ concentration ([K+]) solutions and in Scn5a+/Δ KPQ hearts modeling long QT syndrome.
