《洁净水法案》1977年的修正案,是这些问题的派生物.

The 1977 amendments to the Clean Water Act were an outgrowth of these problems.

最初的源头生成了几个派生物.

There were a few derivatives obtained from the original source.

为什么白金雀儿碱的派生物是苦的?

WHY ARE THE LUPANINE DERIVATIVES BITTER?

为什么白金雀儿碱的派生物是苦的？

Why are the lupanine derivatives bitter ?

壳聚糖是天然氨基多糖甲壳素脱去乙酰基的派生物，具有良好的生物相容性和广谱抑菌功效。

Chitosan is a derivative from the natural amino polysaccharide chitin by stripping acetyl down and has good biocompatibility and broad-spectrum antibacterial function.

在印度尼西亚，人们喜欢吃豆鼓，这是一种深度发酵食物，最终成品是豆腐和黄豆的派生物。印度尼西亚人把豆鼓炸熟之后食用。

Tempeh, which is made of fermented soybeans, and oncom, a fermented food made from the by-products of tofu, peanut presscake and cassava, are deep fried as chips in Indonesia.