When conducting provocation tests it is essential to know the exact quantity of the drug or agent and to give very small incremental doses.
进行激发试验时，明确激发药物或物质的确切剂量很重要，并需以最小的速度增加剂量。
2
The experiments show that obvious incremental effect can be produced when oily agent 406 and extreme-pressure antiwear agent containing sulphur or chlorine are used compositely.