Поиск

узбекскийfenol (oksibenzol yoki karbol kislota, benzolning gidroksilli hosilasi, ignasimon kristallardan iborat rangsiz modda; spirt, efir, benzinda eriydi; nihoyatda zaharli; kuchli antiseptik modda, hidi oʻtkir)русскийфенол

system of knowledge about seasonal natural phenomena, periods of their coming and reasons, defining these periods.

узбекскийfenol kislotaрусскийфеноло-кислота

узбекскийfenol formaldegidрусскийфенол формальдегид

a noticeably distinguished period in seasonal development of nature: separate types of plants (blooming, fruiting and so on), their communities (beginning from vegetation, height of vegetation, etc.), the characteristic seasonal phenomena in life of animals (migration of birds, their nesting, etc.)

paraaminofenolпарааминофенол