A spin promotion {effect|impact} in catalytic ammonia synthesis
Ammonia plays {an important|an essential|a crucial|a vital} {role|function|part} {as the|because the} basis for nitrogen fertilizer production and {is also|can also be} {being|becoming|getting} {considered|regarded as|deemed|regarded|viewed as|thought of} as a {potential|possible|prospective} {energy|power}…