Radon gas in the home is a major source of public radiation exposure and an established cause of lung cancer. A range of techniques are available to reduce high indoor radon concentrations in homes. Information on some 2,700 radon remediation projects has been analysed with the aim of identifying the factors that influence the performance of various remediation methods, including the specific r...

The crowdsourcing is considered as a new problem solving method using outside agents. In the crowdsourcing market, contractees announce their tasks, and then each of contractors chooses a task and reports the result if he/she completed the task. The contractee receiving reports from the contractors selects the best solution, and then pays reward to the contractor who reported the best solution....

abstract background a vast variety of factors may cause recurrent pregnancy loss. blood group incompatibility of parents could cause abortion. the examination of couples or twins, blood groups showed that the blood group incompatibility can affect adversely the outcome of pregnancy. couples with blood group incompatibility are more involved in spontaneous miscarriage. antigenes in two different...

Chronic exposure to low levels of carbon monoxide can cause vague symptoms that are easily mistaken for other common illnesses. During the past 5 years, three families have contacted the Wisconsin Division of Public Health to report illnesses that may have been caused by chronic exposure to carbon monoxide. Members of these families were diagnosed with a variety of conditions including chronic ...

background: miscarriage is a common phenomenon complicating more than half of pregnancies. recurrent pregnancy loss (rpl) is defined as three or more pregnancies lost before the twentieth week of gestation. it is believed that abnormality in maternal immune reaction to fetus and sharing of hla antigens might be associated with rpl. objective: to investigate the effect of hla-drb1 sharing betwee...

Identifying the effects of low bid award system in construction projects can be used as benchmark to find alternative method future industry. The results questioner survey conducted determine awarding lowest Ethiopian southern nation are presented this study. Personnel from consultants, owners and contractors among survey`s respondent. result study outlines promote transparency, avoid fraud cor...