The phrase "a threshold amount of" is correct and usable in written English.
It can be used when referring to a minimum level or quantity that must be reached or exceeded for a certain condition or effect to occur.
Example: "To qualify for the grant, applicants must demonstrate a threshold amount of funding from other sources."
Alternatives: "minimum amount of" or "required level of".
It is believed that the accumulation of a threshold amount of butyric acid initiates the solvent production.
Available evidence suggests a threshold amount of habitat loss at which the probability of population extinction increases from near-zero to near-one following a small additional loss of habitat.
The analyses of kinetics of reduction of UO22+ ions by formic acid revealed a threshold amount of Pd0 in the hydrazine grafted membrane above which reduction occurred in a significant rate.
Our results agreed well with the previous report that a threshold amount of undissociated butyric acid was required to start the solventogenesis (Husemann and Papoutsakis 1988; Monot et al. 1984).
This means that the system can run constantly in any environment if it has at least a threshold amount of energy Ethreshold, where E threshold = P sys P solar C. (3).
Combat is an important part of 4X gameplay, because 4X games allow a player to win by exterminating all rival players, or by conquering a threshold amount of the game's universe.
The fortification of the plant extract with these compounds ensured a threshold amount for each component regardless of differences inherent between plants.
Health agencies wanting to address lead at the tap are largely on their own, says Scott, who notes that no government agency currently identifies a specific threshold amount of lead in water as a hazard.
Application of microcells over a threshold amount inversely reduced the appearance of drug-resistant colonies.
In particular, we envision that these mutations reduce mRNA levels below a threshold amount, revealing phenotypic effects of stochastic gene expression fluctuations.
Also, the quadratic test provided evidence of a U shaped relationship between EDS and the accounting-based FP, which implies that CSR activity pays off only after a certain threshold amount of CSR has been accumulated.
