off-standard product

• 非标准品

off-standard product的用法和样例：

例句

1. A detailed description of the analytical procedures used to characterize the reference standard.
   用于界定标准品的分析程序的详细叙述。
2. Using gallic acid as the standard, the optimum conditions for determining of the polyphenols in the apple pomace by Folin method are investigated.
   以没食子酸为标准品研究了福林法测定苹果渣中多酚物质含量的适宜条件。