abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...

Many literatures have been published about decorative motif and the colors used in these motifs in manuscripts. These studies can be suitable sources for more information about such decorations; still more accurate studies are necessary in the field of identifying the applied pigments in order to have a better understanding of historical objects. The applications of gold in decorative motif of ...

Purpose: Manuscripts, which are considered to be the cultural, scientific and artistic heritage of nations, are important from three aspects of cultural, scientific and artistic, and are considered to be signs of cultural power and scientific development of every country and region. In Iran, most of the manuscripts are in a few cities with a rich civilization history, science and culture, one o...

1. to determine whether difference in birth body mass influenced growth performance in pipistrellus kuhlii we studied a total of 12 captive-born neonates. bats were assigned to two body mass groups: light birth body mass (lbw: 0.89 ± 0.05, n=8) and heavy birth body mass (hbw: 1.35 ± 0.08, n=4). heavier body mass at birth was associated with rapid postnatal growth (body mass and forearm length) ...

the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...

  Abstract After Mongol invasion into Iranian plateau new cultural elements entered by the invaders which influenced on some aspects of Persian book art. Uighur script which first was used to write Mongol and then eastern Turkish languages, appeared in Persian Manuscripts which were produced for Timurid governors and some of famous works are remained from Yazd, Herat, Guilan and Shiraz. These...

the significance of the study of deixis was then mentioned. the purpose of the present study from the outset was to provide a comprehensive overview of all kinds of deixis in persian, describing and defining each in true while considering them structurally and semantically. chapter two consisted of two main parts. a review of the english studies in this respect, besides presenting persian liter...

Among the Jamiʿ al-Tawarikh manuscripts produced in the Rabʿ-i Rashidi, four copies have survived: one in Arabic and three in Persian. A century after their transcription, all these manuscripts were in the possession of the Timurid ruler, Shahrukh. Since these manuscripts were incomplete, Shahrukh ordered Hafiz-i Abru to complete the Persian copies. In the process of completion of one of these ...