Like NOP, JAS explicitly requests that organic fields must be separated from conventional fields, to prevent cross contamination from fertilizers and pesticides (buffer zones).
与NOP相似，JAS要求有机地块与常规地块之间必须建立隔离带，以防止交叉污染。
2
Black liquor is the waste liquor from alkali papermaking, but it is an excellent mixture of latent base, organic base and buffer base.
黑液是碱法造纸产生的废液，但它却是一种出色的潜在碱、有机碱和缓冲碱的混合物。
3
The ASE 150 can be used with organic solvent, aqueous buffer, water, and small amounts of mineral acids.