With discussion of test method for true density of silicon liner, a new method to test true density was found, of which the correctness was inferred in theory and testified in practice.
通过对硅砖真密度试验方法的探讨，分析找出了一种新的测试方法，并在理论上加以推理，在实践中加以验证。
As the improvement of the invention, the raw material of the plastic membrane also comprises 10 to 25 weight portions of metallocene catalyst for liner low density polyethylene.
作为本发明的改进，所述塑料薄膜的原料还包括按重量计的10 ~25份用于线性低密度聚乙烯的茂金属催化剂。
The calculating voltage error when the non-liner models is simplified as the linear ones is analyzed with the given current density range.
分析了在给定的电流密度范围内，非线性模型简化为线性模型时的相对误差。
The polyolefin base material is preferably 55 to 65 weight portions of liner low density polyethylene and 15 to 25 weight portions of low density polyethylene.
所述聚烯烃基料优选为按重量计的线性低密度聚乙烯55 - 65份和低密度聚乙烯15 ~25份。
The high density polyethylene membrane (HDPE) as impermeable liner in landfill construction is widely used recently in our country.
近年来，我国填埋场普遍采用高密度聚乙烯膜（HDPE）作为防渗层。
The high density polyethylene membrane (HDPE) as impermeable liner in landfill construction is widely used recently in our country.
近年来，我国填埋场普遍采用高密度聚乙烯膜（HDPE）作为防渗层。
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