Ups and Downs of First Order

The Ups and Downs of COVID-19 Epidemics for Orthopedic Community

We started 2020 while facing the largest pandemic of infectious diseases in the last one hundred years and also the most widespread recession in human life. The relatively small size COVID-19 virus has now placed more than half of the world in lockdown and is passing through countries borderless without discrimination. Although our health is primarily at risk due to the disease itself, we canno...

Investigating the Ups and Downs of the Position of the Doctors of the Bukhtishu Dynasty In the Abbasi Caliphate Oeriod (132 to 447 AH)

The physicians of the Bukhtishu dynasty first entered the Abbasi court with the aim of practicing medicine; but soon after, thanks to their medical knowledge and skills, they gained a lot of power and wealth and became involved in power relations at court. Although they were able to gain a high position in the Abbasid court; but their position was constantly unstable, and sometimes they were at...

Sector Indices Correlation Analysis in China's Stock Market

China’s stock market has experienced a big bull market in 2007 and a bear market in 2008. Since then, with the influence of the global economy, China's stock market exhibits ups and downs as usual. We examine the relationship between the stock market sector indices from the meso level, and divide the periods into two stages. One stage represents the drastic shock periods in 2007 and 2008, and t...

TRANSSENTENTIAL MEDITATIONS Ups and downs in dynamic semantics TRANSSENTENTIAL MEDITATIONS Ups and downs in dynamic semantics

The Custom of Marriage Portion among Some Muslims during Both First and Second Centuries AH

As one of the components of marriage, “marriage portion” is an ancient tradition among Muslims which follows particular customs and methods. Although this custom is from those sanctified by Islamic Shari’ah, it underwent some changes. Some changes such as the amount of marriage portion and its being the right of woman herself taken as a substitution for the previous customs. This custom was sub...