The phrase "agent needs to be" is correct and usable in written English.
It can be used when discussing the requirements or conditions that an agent must fulfill in a particular context.
Example: "In order to proceed with the transaction, the agent needs to be authorized to access the client's information."
Alternatives: "agent must be" or "agent is required to be".
Moreover, additional neutralizing agent needs to be added into the broth to maintain a suitable range of pH for the cell growth and metabolism, as lactic acid is the main product of glucose metabolism.
It is clear from this that, in considering the choice of an adhesion-reduction agent, the cost as well as the clinical impact of the agent needs to be considered carefully.
The problem is that in this awful market, your agent needs to be 150% and the editors are that much harder to convince.
In addition, the selective agent needs to be identified.
Clinical application of this agent needs to be established [ 93].
Investigations for cadmium as a potential causative agent needs to be initiated.
In addition, the optimal agent needed to be safe, nebulizable and manufacturable to good manufacturing practice standards.
In order to enhance skin penetration, the agent need to be either injected into the dermis or the stratum corneum has to be removed mechanically or thermally.
Chlorine is a nonspecific biocide, and there are clearly situations in which the beneficial effects of this agent need to be balanced against its possible adverse effects.
Clinical trial evidence supports the use of various pharmacological therapies for PHN, but the benefits of each agent need to be carefully balanced against the patient's underlying medical condition, age, and ability to tolerate side effects.
Thus, an efficient Z-scheme system consisting visible-light responsive photocatalysts for PEC water splitting without addition of sacrificial agents needs to be developed.
