Tiene forma esférica con un cuello cilíndrico. Existen dos tipos de matraces que se emplean con mayor frecuencia: el matraz erlenmeyer y el matraz aforado o volumétrico. El matraz erlenmeyer ...
Un matraz de laboratorio es un recipiente ... Matraces de vidrio con diferentes formas y tamaños. Matraces de Erlenmeyer del Laboratorio Nacional Argonne. En los laboratorios y en otros entornos ...
Conocido además por el matraz de precipitados que lleva su nombre ... En 1880 formuló la llamada en su honor Regla de Erlenmeyer, que dice que cuando un alqueno tiene un grupo hidroxilo enlazado a uno ...
As the 2011 UN General Assembly resolution on women’s political participation notes, “Women in every part of the world continue to be largely marginalized from the political sphere, often as a result ...
Workers with the UN’s sexual and reproductive health agency, UNFPA, have some of the toughest assignments going in the humanitarian field, helping protect new mothers and babies often born in the ...
Air pollution kills 4.5 million people a year, warns UN weather agency WMO Violence and insecurity close 14,300 schools in West and Central Africa: OCHA Gaza: UNRWA reports positive start to mass ...
UN Women procures more than USD 100 million worth of services and goods each year to support its programme of work. UN Women is committed to promoting gender equality and the empowerment of women ...
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