348 research outputs found

    Association of esophageal achalasia and pulmonary actinomycosis infection simulating bronchial neoplasm

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    AbstractJ Thorac Cardiovasc Surg 1999;118:199-20

    Diurnal Variations of C0₂ Concentration in Sandy Field Cultivated Flower Bulbs

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    The diurnal changes in the behavior of CO₂ concentration in tulip,lycoris and daffodil communities which were cultivated in a sandy field were investigated at various heights,from the sand surface to 4m. The CO₂ concentration in the tulip community was about 365ppm on a night with only a slight wind. The difference between the surface and the 4m height was about 35ppm. However on a windy night the difference was only 2-3ppm. This tendency was also shown in the lycoris and daffodil communities. The changing range of CO₂ concentration difference between 10cm and 4m in the daffodil field was very little on a windy day,but on a day with only a slight wind the range was very great,being 29ppm

    Diurnal Variations of C0₂ Concentration in Sandy Field Cultivated Flower Bulbs

    Get PDF
    The diurnal changes in the behavior of CO₂ concentration in tulip,lycoris and daffodil communities which were cultivated in a sandy field were investigated at various heights,from the sand surface to 4m. The CO₂ concentration in the tulip community was about 365ppm on a night with only a slight wind. The difference between the surface and the 4m height was about 35ppm. However on a windy night the difference was only 2-3ppm. This tendency was also shown in the lycoris and daffodil communities. The changing range of CO₂ concentration difference between 10cm and 4m in the daffodil field was very little on a windy day,but on a day with only a slight wind the range was very great,being 29ppm

    Investigation of Physical Properties of Mexican Deseart Soils

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    Meteorological Conditions Which Affect to the Yield of Rakkyo (Baker's Garlic Allium Bakeri Regel) Cultivated in a Sandy Field

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    he growth and yield on rakkyo together with meteorological environmental factors occuring in its field were investigated at Fukube Village,Tottori Prefecture from April to May,1981. The investigated data were compared between south-facing and north-facing fields. The growth and yield in the south-facing field were better than those in the north-facing field. The South/North ratio (S/N ratio) for the multiplication of the number of bulbs was 1.41 per bulb,and for the weight was 1.13 per bulb. The leaf S/N ratio per bulb showed 1.52 in the number on leaves and 2.62 in the leaf fresh weight. ln the south-facing field air temperature and solar radiation were higher and relative humidity was lower than in the north-facing field. The average maximum air temperature at 15cm height which is the vegetation position,was 3.6℃ higher in the south-facing field than in the north-facing field at 20℃,2.6℃ higher at 30℃. Also,the solar radiation in the south-facing field showed c.10% higher,although the difference between the south and north decreased with the rise of solar altitude
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