منابع مشابه
Misunderstood MTBE.
Your recent article panning methyl-tert-butyl ether use (EHP 102:913) was extremely misleading and focused on unpublished, and therefore not critically reviewed data, which is inconsistent with standards of scientific journals. Given the confusion caused by the article, you should provide more accurate information to your readers on why methyl-tert-butyl ether (MTBE) is in gasoline and how it i...
متن کاملTo MTBE or not to MTBE.
-Macrophages have been isolated from ascitic and collagenase-dispersed tumours from patients undergoing surgery for ovarian cancer. Macrophages were present in varying proportions in both sites, though the ratio of macrophages to tumour cells was higher in ascites. Marked variation in size (as detected by sedimentation velocity) and cytochemical markers in the macrophages was noted. Highly enri...
متن کاملRoom Reflections Misunderstood?
In a domestic living space a 2-channel monopolar and a dipolar loudspeaker system are compared for perceived differences in their reproduction of acoustic events. Both sound surprisingly similar and that is further enhanced by extending dipole behavior to frequencies above 1.4 kHz. The increased bandwidth of reflections is significant for spatial impression. Measured steady-state frequency resp...
متن کاملThe Misunderstood Artificial Immune System
The vertebrate immune system is a robust and powerful information process system that demonstrates features such as distributed control, parallel processing and adaptation and learning via experience. Artificial Immune Systems (AIS) are machine-learning algorithms that embody some of the principles and attempt to take advantages of the benefits of natural immune systems for use in tackling comp...
متن کاملMoving beyond MTBE.
In March, prompted by rising concerns over groundwater contamination, the U.S. Environmental Protection Agency (EPA) called for a phaseout of methyl-tert-butyl ether, or MTBE, a chemical added to gasoline to reduce carbon monoxide (CO) pollution. The 1990 Clean Air Act requires that gasoline sold in polluted urban areas contain oxygen additives. This "oxygena-tion" supposedly promotes complete ...
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ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 1995
ISSN: 0091-6765,1552-9924
DOI: 10.1289/ehp.95103420a