Fertility and partnership status in the last two decades

Fluorescence imaging in the last two decades

In commemoration of the 20th anniversary of the molecular cloning of the gene for the green fluorescent protein from the jellyfish Aequorea victoria, I would like to reflect on the development of new fluorescence imaging technology in the last two decades. As this technology has become increasingly diversified, it has become more and more of a challenge to come up with a comprehensive and exhau...

Overview of the nutritional status of the Mexican population in the last two decades.

T first national nutrition and diet survey on a probabilistic sample representative of the Mexican population was conducted in 1988. The Mexican National Nutrition Survey 1988 (ENN 88) established a baseline and laid the ground upon which more recent surveys have built upon. Originally developed and analyzed by a team of researchers at the Ministry of Health1 the data gathered for the ENN 88 wa...

efl students gender and socioeconomic status: the use of politeness strategies in the first and second languages

within the components of communicative competence, a special emphasis is put on the “rules of politeness,” specifically the politeness strategies (brown and levinson, 1978) that speakers deploy when performing the request speech act. this is because the degree of imposition that making a request places upon one’s interlocutor(s) has been seen to be influenced by several factors among which, as ...

Investigating the Medical Training Staff Status of Iran in the Recent Two Decades

Knowledge Organization Research in the last two decades: 1988-2008

We apply an automatic topic mapping system to records of publications in knowledge organization published between 1988-2008. The data was collected from journals publishing articles in the KO field from Web of Science database (WoS). The results showed that while topics in the first decade (1988-1997) were more traditional, the second decade (1998-2008) was marked by a more technological orient...