• 对白杨水源地的地质和水文地质条件进行简要论述,在此基础上建立了二维潜水地下水水流和水质的数学模型。

    Through the description of geological and hydrogeological conditions in the Baiyang water resource field, mathematical models of phreatic groundwater flow and groundwater quality are established.

    youdao

  • 研究结果表明了纳米二氧化硅对提高三倍体毛白杨木材的尺寸稳定性和硬度等性能具有潜在的功能。

    It was shown by the results of the study that PF resins and UF resin with nano-SiO2 suspending in improved the dimensional stability and the hardness of wood.

    youdao

  • 研究结果表明了纳米二氧化硅对提高三倍体毛白杨木材的尺寸稳定性和硬度等性能具有潜在的功能。

    It was shown by the results of the study that PF resins and UF resin with nano-SiO2 suspending in improved the dimensional stability and the hardness of wood.

    youdao

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