Covert trade in toxic vetch continues

نویسندگان
چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Covert video surveillance continues to provoke debate.

When the editor invites comment on a response to an analysis of a criticism of a protocol already defended by the author in this journal, the issue is clearly contentious. I will comment briefly on Thomas's paper in this issue of the journal, and look at points of agreement as well as dissent.

متن کامل

Hazardous Waste Recycling: No Justification for Toxic Trade

Very quickly following the first international toxic waste trade scandals that took place in the late 1980s and early 1990s, the environmentally friendly word “ recycling” began to increasingly be used by waste traders to justify the export of hazardous wastes from rich to poorer countries. Today, this rationalization for toxic waste trade for industrial wastes continues. Virtually all existing...

متن کامل

Covert Robotics: Covert Path Planning

T s s a target itself. Another example is to guard a secured environment, where it is important to be covert as well as overt at the same time, in this way the chances are higher for the robot to see an intruder before the opposite happens. A covert robot may be used as well for hostage rescue, for example by sending an insect size covert robot with a camera to the hostage area to send images t...

متن کامل

On the automaticity and fl exibility of covert attention : 2 A speed - accuracy trade - off analysis

14 Exogenous covert attention improves discriminability and accelerates the rate of visual information processing (M. Carrasco 15 & B. McElree, 2001). Here we investigated and compared the effects of both endogenous (sustained) and exogenous 16 (transient) covert attention. Specifically, we directed attention via spatial cues and evaluated the automaticity and flexibility 17 of exogenous and en...

متن کامل

On the automaticity and flexibility of covert attention: a speed-accuracy trade-off analysis.

Exogenous covert attention improves discriminability and accelerates the rate of visual information processing (M. Carrasco & B. McElree, 2001). Here we investigated and compared the effects of both endogenous (sustained) and exogenous (transient) covert attention. Specifically, we directed attention via spatial cues and evaluated the automaticity and flexibility of exogenous and endogenous att...

متن کامل

ذخیره 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: 1999

ISSN: 0028-0836,1476-4687

DOI: 10.1038/22198