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  • 20世纪80年代初 首次提出“政企分开”的概念。民航北京管理处顺应时代要求,实行重大体制改革,组建了中国民航北京管理局、中国国际航空公司和北京首都机场
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  • 20世纪80年代初 首次提出“政企分开”的概念。民航北京管理处顺应时代要求,实行重大体制改革,组建了中国民航北京管理局、中国国际航空公司和北京首都机场

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  1. Conservation Measure Conservation Measure 23-06 (2004)

    , viz: day 1 to day 10, day 11 day 20, day 21 to the last day of the month. These 10-day reporting ...

    Conservation Measure : 23-06 (2004)

  2. Conservation Measure Conservation Measure 14/VIII (1989)

    : Directed fishing on Champsocephalus gunnari between 20 November 1989 and 15 January 1990 and between ...

    Conservation Measure : 14/VIII (1989)

  3. VME Taxa Classification Guide

    Cups: usually small (<20cm), solitary or in small clusters CCAMLR VME Taxa Identification Guide ... . Colony size can be 10–20 cm in diameter These are stalked (goose barnacles) and non-stalked (acorn ... length up to 20 cm Large disc with 5–6 arms splitting at the disc into many coiled branches Regularly ...

    Document : Site Section: Publications

  4. Areas of seabed within selected depth ranges in CCAMLR Subarea 48.3, South Georgia

    ' - 54°42' 53°36' - 54°58' 53°10' - 54°59' 53°50' - 54°25' 54°00' - 54°15' 54°02' - 54°20' 54°14 ... ' - 54°33' 54°20' - 54°33' 54°05' - 54°23' 54°03' - 54°23' 53°50' - 54°15' Longitude Range ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 459–466 : Author(s): Everson, I. and S. Campbell

  5. Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass

    at O°C than at 20°C. More recently Demer and colleagues (Demer and Hewitt, 1992; Demer, 1994; Demer ... 20 Temperature ("C) Nominal frequency, kHz Transducer type Beam type Transmit power, kW ... 0 23.1 [38.1] 38 Simrad ES38B Split 2 2 1.0 (medium) 3.8 (wide) 1 -20.7 0 60.0 [38.1 ... the water column between the 200 Simrad 200-28 Single 1 1 0.6 (long) 2.0 (narrow) 1 -20 ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Author(s): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe

  6. Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands

    and 20 to 1 050 g respectively. The age groups of the specimens ranged from two to five years ... vitellogenesis): the oocytes' diameters range between 450 and 500 pm, the n / c ratio is 0.20. The secondary ... are on the periphery, in contact with the oolema. The zona radiata increases in thickness (20 pm), showing its ... incorporated here. villosus (Muller). J . Fish Biol., 20: 143-154. Mackerel Icefish Ovarian Development ...

    Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Author(s): Macchi, G.J. and E.R. Barrera-Oro

  7. Whale depredation – Data collection guidelines

    ................................................................................................................ 20 2. PHOTO-IDENTIFICATION ... 432 142 299 12 50 28,05 67 59,80 1 283 50 30,05 67 59,00 1 226 10 000 250 1 482 246 868 13 51 ... 125 696 234 825 20 49 00,60 71 33,12 626 49 10,10 71 37,26 1 287 10 000 518 2 593 413 1 357 21 48 ... 2 596 6 20 24 46 50,24 71 47,75 1 252 46 59,00 71 55,21 815 10 000 115 795 209 537 25 46 28,30 71 ...

    Document : Site Section: Science

  8. Conservation Measure Conservation Measure 8/VI (1987)

    , viz: day 1 to day 10, day 11 to day 20, and day 21 to the last day of the month. These reporting ...

    Conservation Measure : 8/VI (1987)

  9. Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001

    -0.47 +0.55 +0.59 Dec 1.75 2.75 -0.50 +0.25 Jan 2.80 4.45 -0.70 +1.20 1990 1991 Feb 4.22 2.92 4.68 ... in 1999/2000 and 2000/01 (-0.62°C and - 1.20°C respectively) (Table 1). Generally, the summer seasons ... Anomaly Dec 1.90 3.28 -0.35 +0.78 Jan 2.80 3.70 -0.7 +0.45 1989 1990 Feb 3.90 2.87 4.55 3.84 -0.35 ... 3.96 -0.02 -0.41 +0.68 +0.71 Dec 2.18 2.20 -0.08 -0.3 Jan 2.75 2.70 -0.75 -0.55 1999 2000 Feb 4.20 ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Author(s): Vanyushin, G.P

  10. Conservation Measure Conservation Measure 36/X (1991)

    periods, viz: day 1 to day 5, day 6 to day 10, day 11 to day 15, day 16 to day 20, day 21 to day 25 ...

    Conservation Measure : 36/X (1991)

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