La couche d'ozone pdf file

A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Stratospheric ozone, otherwise known as the ozone layer, is a layer of gas o3 that partially shields the earth from the suns ultraviolet uv radiation. Mar 29, 2019 to protect the ozone layer, avoid purchasing ozone depleting products like aerosol sprays and wood treated with methyl bromide. Consider biking, carpooling, or using public transportation to cut down on your vehicles production of nitrous oxide, which is the largest ozone depleting substance generated by human activities. Lampleur du phenomene en antarctique est vraiment tres inquietante. Protection contre lincendie ensemble au moment du remblayage. Sharp cvp09fr air conditioners use manual use guide pdf download or read online.

Montreal protocol on substances that deplete the ozone layer environnement. Definition couche dozone ozonosphere futura planete. Utilizza il refrigerante r410a che non danneggia lo strato d. Faoagp lutte contre les organismes nuisibles et gestion des pesticides. File name volume chapter title ch xxvii 2 vol2 chapter xxvii. Document information file name ch xxvii 2 volume vol2. The paper version of the oj has legal value for ojs published before 1 july 20, the date regulation eu no 21620 entered into force.

Cfc 11, or r11 has the maximum potential amongst chlorocarbons because of the. Translation for couche dozone in the free frenchenglish dictionary and many other english translations. The centre is one of the premier research groups in the uk for atmospheric research and attracts funding from a wide range of sources. A region of the stratosphere over antarctica and a smaller one over the arctic that is depleted of ozone in the local spring. Callis says that the ozone hole now developing over the antarctic is as deep as last years hole, but seems to cover. To verify the electronic signature and authentic character of the oj, download the pdf file of the eoj and its signature, then use checklex.

Protection contre lincendie les isolants styrofoam highload 40, 60 et 100 sont combustibles. Google has many special features to help you find exactly what youre looking for. All structured data from the file and property namespaces is available under the creative commons cc0 license. The ozone depletion potential odp of a chemical compound is the relative amount of degradation to the ozone layer it can cause, with trichlorofluoromethane r11 or cfc11 being fixed at an odp of 1. Files are available under licenses specified on their description page. Chlorodifluoromethane r22, for example, has an odp of 0. Cfc 11, or r11 has the maximum potential amongst chlorocarbons because of the presence of three chlorine atoms in the molecule. Clicking a link will bring up, in a new window, a pdf vector plot or a plaintext ascii data file that is suitable for input into any program. The convention, which is appended to this pinal act, will be open for. The centre for atmospheric science is a joint venture within the university of cambridge between the university departments of chemistry, applied mathematics and theoretical physics and geography. Ce probleme mondial fait du mal aux animaux et aux. Search the worlds information, including webpages, images, videos and more. The annual plots show the range of daily values that go into each years average with gray shading.