assumption of diffusion

USAGE SUMMARY

The phrase "assumption of diffusion" is correct and usable in written English.
It can be used in contexts related to scientific discussions, particularly in fields like physics, chemistry, or social sciences, where diffusion is a relevant concept. Example: "The assumption of diffusion is critical in understanding how substances spread in a medium over time."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

4 human-written examples

However, in the case of a nearly microporous adsorbent, the diffusivity appears to be dependent on temperature to an extent which is not consistent with the assumption of diffusion in rigid, liquid-filled pores.

Chemical Engineering Science

The current response of an electrode which absorbs reactant on a potential step was computed by digital simulation and by Boltzmann substitution under assumption of diffusion coefficient being a linear function of concentration.

Electrochimica Acta

The assumption of diffusion in fluid-saturated rocks (Shapiro et al. 1997) established a relationship between microseismic events and the water front (Shapiro et al. 2002).

Earth, Planets and Space

Since the implicit assumption of diffusion models is that evidence to reach a decision is conveyed by sensory neurons, these differences may become very important when modeling symbolic or non-symbolic decision.

Plosone

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

The assumption of diffusion-adsorption phenomena in the chromatographic separation of glucose and fructose on columns of Ca2+-form sulphone catex (styrene-divinylbenzene) does not provide, according to the results, the mathematical model corresponding to the actual phenomena in the separation process.

Chemical Engineering Science

The second shortcoming pertains to the assumption of diffusion-controlled growth (Eq. (1.2)).

Materials Theory

At the potentials of −0.15 and −1.1 V the maximum surface concentration Γm, and the surface area occupied by one molecule, S, were derived from the diffusion-controlled adsorption behavior with the assumption of the diffusion coefficient.

Electrochimica Acta

In general, few physical activity programs have been designed for translation, and the diffusion models underlying most reported programs have relied on an assumption of linear diffusion into practice.

American Journal of Preventive Medicine

The concentration dependence of the acetone diffusion coefficient is well described by the dual-mobility model if the assumption of constant diffusion coefficients in the two modes is relaxed.

Polymer

Systematic errors derived from an assumption of constant diffusion coefficient and of monodisperse beads were also investigated.

Chemical Engineering Science

However, by relying on the assumption of the diffusion of change, a change agent was unable to gain the acceptance of advisers to the requirements.

Futures

Expert writing Tips

Best practice

When discussing models, clearly state that the "assumption of diffusion" is a simplification and acknowledge potential limitations.

Common error

Avoid assuming that diffusion is the only transport mechanism at play. Consider factors like convection or active transport that might also contribute.

Linguistic Context

The phrase "assumption of diffusion" functions primarily as a noun phrase that denotes a presupposition or a foundational element in a model or theory. Ludwig AI indicates the phrase is grammatically correct and usable.

Expression frequency: Rare

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

The phrase "assumption of diffusion" is a grammatically sound noun phrase primarily used within scientific contexts to denote a foundational premise in a model or theory. As confirmed by Ludwig AI, it is accurate and usable. Its primary purpose is to establish a starting point for analysis involving the movement or spread of phenomena. While the phrase itself is correct, it's important to acknowledge that it represents a simplification and may have limitations. Alternatives such as "diffusion hypothesis" or "diffusion premise" can offer nuanced perspectives. When using the "assumption of diffusion", be mindful of its role and potential limitations to guarantee more accurate and comprehensive analyses.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

diffusion hypothesis

Focuses on the idea as a testable scientific statement rather than a presupposition.

diffusion premise

Highlights the starting point or foundation upon which a diffusion model is built.

presupposition of diffusion

Emphasizes the act of taking diffusion as a given condition.

supposition of diffusion

Suggests a belief or conjecture regarding the diffusion process.

postulate diffusion

Transforms the phrase into a verb form, emphasizing the act of postulating.

assuming diffusion occurs

Directly states the act of assuming, adding the condition that diffusion takes place.

diffusion is presumed

Uses a passive voice to shift focus onto diffusion being presumed.

acceptance of diffusion

Indicates the recognition and adoption of diffusion as a valid concept or process.

belief in diffusion

Highlights a conviction or faith that diffusion is occurring or is a significant factor.

taking diffusion for granted

Suggests that diffusion is considered so fundamental that it's not questioned.

FAQs

How is the "assumption of diffusion" used in scientific modeling?

In scientific modeling, the "assumption of diffusion" simplifies complex systems by treating the movement of particles or information as a random, gradient-driven process. This is often used as a starting point, but may need refinement with more complex factors.

What are the limitations of relying on the "assumption of diffusion"?

Relying solely on the "assumption of diffusion" can overlook other transport mechanisms, such as convection or active transport. It may also fail to account for non-homogeneous environments or complex interactions.

What is an alternative to the "assumption of diffusion" if it doesn't fit my system?

If the "assumption of diffusion" doesn't adequately describe your system, consider models incorporating active transport, convection, or other non-Fickian diffusion processes. You might also look into "diffusion hypothesis".

How does the "assumption of diffusion" differ from other transport models?

The "assumption of diffusion" focuses on random movement down a concentration gradient. Other models, such as those for convection, involve bulk movement due to external forces, and active transport models consider energy-dependent movement against a gradient.