цемент

Последние новости в разделе цемент




17.05.2010 (9:48) Технология >> Нанотехнология
Исследована наноструктура зданий и мостов
Группа американских ученых провела рентгеновские исследования бетона, которые показали, что в основе этого распространенного материала лежат наночастицы размерами порядка 3,5 мкм. Исследования продолжаются, т.к. лучшее понимание строения бетона позволит в будущем ...>>


цемент, архив по датам

цемент, архив за текущий месяц

November 2017
MnTuWeThFrSaSu
  12345
6789101112
13141516171819
20212223242526
27282930   

Полный архив раздела цемент

2008
January
February
March
April
May
June
July
August
September
October
November
December
2009
January
February
March
April
May
June
July
August
September
October
November
December
2010
January
February
March
April
May
June
July
August
September
October
November
December
2011
January
February
March
April
May
June
July
August
September
October
November
December
2012
January
February
March
April
May
June
July
August
September
October
November
December
2013
January
February
March
April
May
June
July
August
September
October
November
December
2014
January
February
March
April
May
June
July
August
September
October
November
December
2015
January
February
March
April
May
June
July
August
September
October
November
December
2016
January
February
March
April
May
June
July
August
September
October
November
December
2017
January
February
March
April
May
June
July
August
September
October
November
December

самое популярное


Rambler's Top100