scientific progress and development is one of the significant issues and hot debates of the iranian government. there are some researches and seminars carried out and held regarding influential factors of scientific progress. unfortunately there is no proper place for legal and institutional factors but exceptionally and partially (intellectual property rights factor). my idea is that scientifi...

protection of a sound environment is one of the most contravertioal issues of the legal and political world, and different letters are provided in this regard. but in respect of how to implement the aim of promoting and protecting the environment, the governments have utilized different legal instruments; the last of which is the concept of liability for environmental damages. level in which di...

environmental protection is a key element in urban management. due to complex relationships between human and environment in metropolises the importance of environment is ever-increasing. in this paper the current situation of environment in tehran metropolis including air, water, biodiversity and human habitat along with the most crucial threats, their effect as well as the associated agencies...

The results of a national survey of stressful life events are introduced as a useful framework for redesigning or fine-tuning corporate benefit packages to better meet employee needs, as well as to attract and retain top talent. Among the specific recommendations are (a) expanded bereavement leave, (b) hospice services, (c) employee assistance program access, (d) child care/elder care and (e) g...

Chimeric, humanized and human antibodies have successively been exploited as therapeutics because their increasing human ('self') character is expected to correspond with decreased immunogenicity, which is critical for their clinical development. Thus, humanness has been inferred to predict antibody immunogenicity. Humanness of antibody variable regions (V-regions) has recently been studied usi...

A total of 27 settled dust samples were collected from urban roads, parks, and roofs in Chengdu, China to investigate particle size distribution and perchlorate levels in different size fractions. Briefly, fine particle size fractions (<250 μm) were the dominant composition in the settled dust samples, with mean percentages of 80.2%, 69.5%, and 77.2% for the urban roads, roofs, and the parks, r...

Although sediment is a natural constituent of rivers, excess loading to rivers and streams is a leading cause of impairment and biodiversity loss. Remedial actions require identification of the sources and mechanisms of sediment supply. This task is complicated by the scale and complexity of large watersheds as well as changes in climate and land use that alter the drivers of sediment supply. P...