منابع مشابه
تعیین میزان سرب و کل مواد آلی در ذرات رسوب شونده (dust fall) هوای شهر کرمان
چکیده ندارد.
15 صفحه اولChemo-Mechanical Characteristics of Mud Formed from Environmental Dust Particles in Humid Ambient Air
Mud formed from environmental dust particles in humid ambient air significantly influences the performance of solar harvesting devices. This study examines the characterization of environmental dust particles and the chemo-mechanics of dry mud formed from dust particles. Analytical tools, including scanning electron microscopy, atomic force microscopy, energy dispersive spectroscopy, particle s...
متن کاملA study of urban housing demolitions as sources of lead in ambient dust: demolition practices and exterior dust fall.
Demolition of older housing for urban redevelopment purposes benefits communities by removing housing with lead paint and dust hazards and by creating spaces for lead paint-free housing and other community resources. This study was conducted to assess changes, if any, in ambient dust lead levels associated with demolition of blocks of older lead-containing row houses in Baltimore, Maryland (USA...
متن کاملThe fall of the Soviet Union: The fall of a state or the fall of an ideology
During the last century or so, two dominant doctrines i.e. Capitalism and Socialism had been in a state of constant confrontation resulting in engaging the two Super powers, the United States and the Soviet Union in wars such as the Vietnam War and the Cold War. The Cold War that continued for several decades finally led to the disintegration of the Soviet Union. This article was an attempt to ...
متن کاملWage interactions: comparisons or fall-back options?
This paper examines the degree to which the importance of wages elsewhere in wage determination stems from comparisons made by workers, as opposed to re°ecting unions' fall-back options in the bargaining process. The di±culty of distinguishing these hypotheses is shown in the context of a bargaining model. It is argued that the use of the wage of a `pay leader' solves the fundamental problem of...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1902
ISSN: 0028-0836,1476-4687
DOI: 10.1038/065317d0