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  1. Hot corrosion behavior of three Al-Si coatings with different forms of silicon distribution was studied by RFL test apparatus at 900 ℃ in an atmosphere containing 20 ~ 100ppm salt . Total time of test was 200 hours .

    利用RFL热腐蚀试验装置,在温度为900℃,盐浓度20~100ppm,试验时间200小时的条件下,研究了三种具有不同硅分布形式的Al-Si涂层的抗热腐蚀性能。

  2. The photocatalytic activities of TiO_2-C were evaluated by the photocatalytic oxidation of phenol in water ( 100ppm ) under ultraviolet and solar light , and the best phenol removal is 55 % and 27 % respectively .

    100mg/L苯酚紫外光、日光条件下120min去除率达到55%和27%。

  3. The effect of root growing was better when using NAA ( 150ppm ), and IBA ( 50ppm , 100ppm ), and the rate of growing root were 75 % , 69 % and 71 % respectively .

    150mg/L的萘乙酸和50mg/L、100mg/L的吲哚丁酸处理催根效果较好,插条生根率分别为75%、69%和71%。

  4. Histological examination showed that the sexual maturity of cocks was delated and the sperm concertration of seminiferous tubules was decreased in Group I and Group IV in comparison with the cocks in Group ⅲ ( added Mn 100ppm ) .

    组织学观察表明:Ⅰ、Ⅳ组与Ⅲ组(添加Mn100ppm)相比性成熟延迟,睾丸曲细精管精子数降低(P<0.01)。