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第 1 到 5 筆結果,共 100 筆
第 17 頁
... ( EPNdB ) , as compared with 118 EPNdB for a 707 at takeoff . This amounts to a reduction in the annoyance at takeoff of one - half . In the area of pollution , an industry- Government agreement was reached in 1970 to incorporate smoke ...
... ( EPNdB ) , as compared with 118 EPNdB for a 707 at takeoff . This amounts to a reduction in the annoyance at takeoff of one - half . In the area of pollution , an industry- Government agreement was reached in 1970 to incorporate smoke ...
第 26 頁
... EPNdb . That is not a great reduction in the annoyance . I wish it were a lot better because when you are talking about a program which is going to cost the airlines on the order of $ 30 to $ 50 million at a time , as you point out ...
... EPNdb . That is not a great reduction in the annoyance . I wish it were a lot better because when you are talking about a program which is going to cost the airlines on the order of $ 30 to $ 50 million at a time , as you point out ...
第 107 頁
... EPNdb ) should be possible within 10 years " ( p . 5-7 ) . Our membership concurs . The present 108 EPNdb limit is not permanent and will not be acceptable to communities for the indef- inite future ; it is but a temporary stepping ...
... EPNdb ) should be possible within 10 years " ( p . 5-7 ) . Our membership concurs . The present 108 EPNdb limit is not permanent and will not be acceptable to communities for the indef- inite future ; it is but a temporary stepping ...
第 108 頁
... EPNdb for smaller aircraft ( including V / STOL ) and 90 EPNdb for larger aircraft operating at more remote jetports . ” ( P. 5-7 . ) In addition to setting future research goals , CARD recommends that government set regulatory ...
... EPNdb for smaller aircraft ( including V / STOL ) and 90 EPNdb for larger aircraft operating at more remote jetports . ” ( P. 5-7 . ) In addition to setting future research goals , CARD recommends that government set regulatory ...
第 111 頁
... EPNdb noise limit ( 500 feet to the sideline ) and must be even lower if it anticipates operation in most downtown situations . In all seven areas discussed in the CARD study as contributors to terminal congestion , it is evident that ...
... EPNdb noise limit ( 500 feet to the sideline ) and must be even lower if it anticipates operation in most downtown situations . In all seven areas discussed in the CARD study as contributors to terminal congestion , it is evident that ...
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常見字詞
accidents Administration Aeronautics and Space aerospace air traffic control air transportation aircraft noise airlines airplane altitude approach areas Boeing bypass ratio CARD study Center certification Chairman civil aviation collision avoidance system committee commuter air carriers congestion cost CTOL decibels economic effective effort EPNdB equipment facilities Federal Aviation Federal Aviation Administration Figure fleet flight test funding glide slope Government HARTRANFT HECHLER improved increased industry inlet installation JACKSON jet noise JT3D JT8D landing major ment midair collision military million million/yr nacelle NASA National noise abatement noise levels noise problem noise reduction passengers percent pilot planning procedures propulsion quiet engine recommendations research and development retrofit runway safety short-haul statement STOL STOL aircraft supersonic transport suppression takeoff technical techniques thrust tion turbine turbofan turbojet turbulence V/STOL VTOL wake turbulence WYDLER
熱門章節
第 27 頁 - Europe can be a stable Europe. There must be, not a balance of power, but a community of power; not organized rivalries, but an organized common peace.
第 13 頁 - Republics, the State Committee of the USSR Council of Ministers for Science and Technology.
第 19 頁 - Engineers, an Associate Fellow of the American Institute of Aeronautics and Astronautics and a member of the Board of Trustees of the Theodore von Karman Memorial Foundation.
第 36 頁 - States shall be conducted so as to contribute materially to the objective of preserving " — the role of the United States as a leader in aeronautical and space science and technology and in the application thereof to the conduct of peaceful activities within and outside the atmosphere...
第 351 頁 - The din of the Market * increases upon me ; and that, with frequent interruptions, has, I find, made me say some things twice over; and, I suppose, forget some others I intended to say.
第 15 頁 - Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies, the Agreement on the Rescue of Astronauts, the Return of Astronauts and the Return of Objects Launched into Outer Space...
第 6 頁 - Agreement on cooperation in the field of medical science and public health.
第 59 頁 - Abstracts is an indexed abstract journal listing documented computer programs developed by or for the National Aeronautics and Space Administration, the Department of Defense, and the US Atomic Energy Commission which are offered for sale through the Computer Software Management and Information Center (COSMIC).
第 26 頁 - May 26, 1972, in two copies, each in the English and Russian languages, both texts being equally authentic. FOR THE UNITED STATES OF AMERICA...
第 59 頁 - Chairman, Members of the Subcommittee: It is a pleasure and an honor for me to appear before the Subcommittee today to discuss the manpower, personnel and training portions of the Fiscal Year 1982 Budget submission.