The phrase "adequate surplus" is correct and usable in written English.
It can be used in contexts where you want to describe a sufficient amount of something that exceeds what is necessary or required.
Example: "The company maintained an adequate surplus of resources to handle unexpected demands during peak seasons."
Alternatives: "sufficient excess" or "ample reserve".
GOLD RESERVE ADEQUATE Surplus Public Revenue Assured, but New Taxes Will Be Necessary When Dawes Moratorium Ends.
The creative destruction that modern capitalist society unleashes, in which "everything that is solid melts into air", is for Marx a precondition for the development of the productive forces to a point where there is an adequate surplus generated for it to be redistributed.
It is worth noting that formal credit sources resort primarily to project-based lending, where there is visible cash flow and adequate surplus to meet debt obligations.
Because Kyrgyzstan has adequate (in fact surplus) numbers of tuberculosis physicians, and because the vast majority are employed within the public sector, ensuring adequate distribution through government employment policies and directives has so far been a relatively easy obstacle to surmount.
In the absence of any foreign investment, industrialization depended on generating adequate capital from agricultural surpluses, and the Bolsheviks initially experimented, partly successfully, with free-market agriculture and private ownership.
Meanwhile the country was dependent on the market's giving the peasants adequate incentive to sell their grain surplus and feed the cities.
As the development turned out, tracking accuracies were more than adequate for the purpose, and the surplus provided growth potential toward still longer ranges and higher probabilities of interception.
And the company's capital position looks adequate with more than £3bn economic capital surplus.
But do we need to have a surplus, or would it be adequate (as Labour proposes) just to start reducing the national debt in relation to GDP?
−ve RSC reduces soil Na hazard since adequate Ca2+ and Mg2+ would be in surplus of what will be precipitated as carbonates hence their exclusion from water (Sadashivaiah et al. 2008).
In the absence of adequate means to store it, much of this surplus green energy has had to be dumped on the spot market below cost.
