Karstification is mainly the chemical corrosion of water to soluble rocks, and also includes the mechanical erosion and the collapse as well as moving out, transporting and redepositing of matter.

岩溶作用是水对可溶性岩石进行的溶蚀作用，包括水的机械和崩塌作用以及物质的携出、转移和再沉积的综合地质作用。

youdao

ZD1 is cultured in liquid and wheat grain solid culture, and metabolic product is extracted to obtain water soluble and liposoluble matter for preparing nematode killing biological toxin.

ZD1通过液体和麦粒固体培养后，从代谢产物中提取有效的水溶和脂溶性物质制备成杀线虫生物毒素。

youdao

This study was conducted to investigate the effect of the water - soluble organic matter (WSOM) extracted from peat and rice straw on the growth and the element uptake of rice by water culture.

水培实验研究了由泥炭和稻草提取的两种水溶性有机物（WSOM）对水稻幼苗生长、光合特性及元素吸收的影响。

youdao