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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. The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)

    eleginoides) have been fished in the Kerguelen Islands zone for 20 years, firstly with trawlers and more ... for 20 years, firstly with trawlers and more recently with longliners. This is the oldest fishery ... in the Kerguelen Islands zone for 20 years, firstly with trawlers and more recently with longliners ... la zone des îles Kerguelen depuis 20 ans, d’abord avec des chalutiers puis des palangriers. C’est la ... eleginoides) велся в районе о- вов Кергелен на протяжении 20 лет – сначала траулерами, а в последнее время ... ‘Kerpêche’ for trawlers (split- years – 1 July to 30 June – 1979/80 to 2000/01) and in Excel tables ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Author(s): Lord, C., G. Duhamel and P. Pruvost

  2. Results of fish larvae sampling by means of fine-meshed samplers attached to a bottom trawl

    Nototheniidae, and among them Nototheniops larseni (9.3-20.5 mm). The abundance of postlarval fish was highest ... (9.3-20.5 mm). The abundance of postlarval fish was highest in the shallow (108-166 m), nearshore ... 1200 37 420 na 170 500 38 100 330 1 0 140 45 20 70 420 300 46 300 660 1000 420 67 80 220 460 320 ... 250 123 190 * 220 70 124 50 * 320 320 127 50 * 680 80 130 20 * 60 * * damaged sampler 77 ... WG-FSA-88/20 RESULTS OF FISH LARVAE SAMPLING BY MEANS ... (9.3-20.5 mm). The abundance of postlarval fish was highest in the shallow (108-166 m), nearshore ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 69-86 : Author(s): Ślósarczyk, W. and I. Wójcik

  3. Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation

    8.1.20, page 413) introduced a general DWBA formula- tion that accurately describes the acoustic ... angles, the predicted scattering was much lower than the measured (5–20 dB). Demer and Conti (2003 ... coefficient equal to 20 and 15% for the SDWBApackage20050603 and the McGehee et al. (1998) shape ... y H z [3 0: 5: 20 0] · 10 3 St oc ha st ic re al is at io ns no is e_ re al is at io ns ...

    Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Author(s): Calise, L. and G. Skaret

  4. Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea

    : TS 38 = 36.83Log TL(cm) –103.62 (N = 18); TS 120 = 34.75Log TL(cm) –84.20 (N = 19); TS 200 = 26.71Log ... TL(cm) –103.62 (N = 18); TS120 = 34.75Log TL(cm) –84.20 (N = 19); TS200 = 26.71Log TL(cm ... –20.5 sV threshold (dB re m –1) –80 Noise margin (dB) 0 0 0 Azzali et al. 80 Table 2: Length ... = 34.75Log TL(cm) –84.20 (N = 19); TS200 = 26.71Log TL(cm) –73.74; (N = 16). Nine in situ acoustic trawl ... TL(cm) –84,20 (N = 19) ; TS200 = 26,71Log TL(cm) –73,74 ; (N = 16). Neuf expériences acoustiques ... , соотношения TS–TL ex situ составляли: TS38 = 36.83Log TL(см) –103.62 (N = 18); TS120 = 34.75Log TL(см) –84.20 ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Author(s): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi

  5. Observation of seabirds in the Southern Ocean in 1988/89

    :00, 16:00 and 20:00 ship-time, while sailing between Antarctic stations and while en route to ports ... at 8:00; 12:00, 16:00 and 20:00 ship-time, while sailing between Antarctic stations and while en route ... S. Thirty minute observations were made daily during daylight hours at 8:00; 12:00,16:00 and 20:00 ship ... effectuees, a la lumiere du jour, a 8hOO, 12hOO, 16hOO et 20hOO, heure du bord, en naviguant entre les ... BpeM5I CYTOK 8, 12, 16, 20 qaCOB no CY,l\OBOMY BpeMeHH, BO BpeM.5I nepeXO,l\OB cY,l\Ha Me ... observaciones diarias de treinta rninutos de duracion alas 8:00, 12:00, 16:00 y 20:00 horas (hora del barco ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Author(s): Vagin, A.V. and V.V. Popov

  6. Investigations of required sampling regimes for environmental parameters

    continuously or as daily maxima and minima would be sufficient to detect a 10 to 20% change in monthly mean log ... speed continuously or as daily maxima and minima would be sufficient to detect a 10 to 20% change ... 65 37 60 80 2"C 7 12 16 10 15 20 3°C 5 5 7 6 8 10 Table 3: Sample size required to detect ... be sufficient to detect a 10 to 20% change in monthly mean log-transformed wind speed a of 0.05 and P of 0.9 ... suffirait a deceler un changement de 10-20% dans la vitesse moyenne du vent transformee par ... Bbl5IBHTb 10-20% H3MeHeHH5I B Cpe,llHeMeC5I4HOM * CCAMLR Secretariat, 25 Old Wharf, Hobart, Tasmania, 7000 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 561–573 : Author(s): Agnew, D.J.

  7. Estimates of fish stock biomass around South Georgia in January/February 1985

    in stock size to 10 – 20% of that estimated before the onset of heavy fishing. In C. gunnari the fishery ... – 20% of that estimated before the onset of heavy fishing. In C. gunnari the fishery is dependant ... size to 10 ~ 20% of that estimated before the onset of heavy fishing. In C. gunnari the fishery ... estimations de biomasse indiquent une reduction de 10-20% du stock - 2 - evalue avant le debut de la ... 6HOMaCChl yKa3hlBaWT Ha CHH~eHHe pa3Mepa 3anacoB no 10-20% rrpennonara- eMOH BenHqHHhl no Haqana ... reservas de un 10-20% del que se calculaba antes de comenzar la pesca en grandes cantidades. En el caso ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Author(s): Kock, K.-H.

  8. Results of fish stock assessment survey, South Georgia, December 1987 - January 1988

    paBHo 20 Kr (,lIHana30H 0-80). (a) lIacToTHoe pacnpe,lleJIeHHe ,lIJIHH, ChampsocephaJus gunnari ... . El intervalo del contorno es 20 kg (rango 0-80). ( a) Distribuci6n de frecuencia por tallas ... is required of fisheries directed toward N. rossii and Dissostichus eleginoides and 80 mm of fisheries ... Siedlecki using a P32/36 otter trawl equipped with 80 mm mesh and 43 - 52 mm mesh liner (Crawford 1988 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 19-52 : Author(s): McKenna, Jr., J.E. and S.B. Saila

  9. Results of fish stock assessment survey, South Georgia region, November - December 1986

    by the R.V. Profesor Siedlecki using a Polish B-454 otter trawl equipped with 80 mm mesh and a 20 mm liner ... ' i i I I ! I I I I I j i I i I i I i I i I i I Y I I I I I 1\ (,\ (I I , I i I ¥ i \ (, Y I Y I \ i i { I \ i I ( I' i I i I I I I I o 10 20 30 40 50 60 70 80 90 100 LENGTH, CM Figure 12. Length frequency distribution, Q. eleginoides ... t I I I t I I I I i I' L \ i j i I , I o 10 20 30 40 50 60 70 80 LENGTH, CM 90 100 110 120 130 Figure 13. Length frequency distribution ... directed toward N. rossii and Dissostichus eleginoides and implementation of a minimum mesh size of 80 mm ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 143-183 : Author(s): Gabriel, W.L.

  10. Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study

    commissioned (1991/92), between 20 and 262 adult breeding penguins have been fi tted with subcutaneously ... since Adélie penguins elsewhere have been shown to live up to 20 years of age (Reid, 1968; Ainley et ... success over 20 years was also calculated. This value was 0.78 chicks per breeding female, which ... 18 29 13 04 0. 71 19 92 / 93 33 62 14 85 11 90 0. 80 19 93 / 94 35 ...

    Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Author(s): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry

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