Стандарты Международной организации по стандартизации (ИСО). Каталог (в 2-х частях). — М.: ФГУП «СТАНДАРТИНФОРМ». 2008.
17.140.30 — Шум от транспорта ISO 362:1998 ISO 362 1:2007 ISO 2671:1982 ISO 2922:2000 ISO 2923:1996 ISO 3095:2005 ISO 3381:2005 ISO 3891:1978 ISO 5128:1980 … Стандарты Международной организации по стандартизации (ИСО)
17.140.20 — Шум от машин и оборудования ГОСТ 8.475 82 ГОСТ 12.2.016.1 91 ГОСТ 12.2.016.2 91 ГОСТ 12.2.016.3 91 ГОСТ 12.2.016.4 91 ГОСТ 12.2.016.5 91 ГОСТ 12.2.030 2000 ГОСТ 23941 2002 … Указатель национальных стандартов 2013
Bees and toxic chemicals — Bees can suffer serious effects from toxic chemicals in their environment. This includes various synthetic chemicals, such as insecticides and fertilizers, as well as a variety of naturally occurring chemicals from plants, such as ethanol… … Wikipedia
Conversion of units — is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors. Contents 1 Techniques 1.1 Process 1.2 Multiplication factors … Wikipedia
