The cast processes of multicrystalline silicon were comparatively developed- The research on its defects and impurities was in progress.

现在，其铸造工艺相对成熟：对材料的缺陷和杂质的研究日趋深化；

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The chemical etching method wa applied to form surface texture of multicrystalline silicon in order to reduce the reflectance of the surface.

为了降低光在多晶硅表面的反射，采用化学腐蚀法在其表面制备了绒面。

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The recombination activity of grain boundaries (GBs) in casting multicrystalline silicon (mc-Si) was investigated through an electron beam induced current (EBIC) technique.

本文利用电子束诱生电流（EBIC）对铸造多晶硅中晶界的复合特性进行了研究。

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The solar cell manufacturer also launched another product, the 290W Vd-Series multicrystalline module that boasts of higher efficiencies as well as of slower degradation.

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The company is now using the technology to make multicrystalline silicon solar cells, and HiPerforma is the first product using the new silicon cells, Beebe said.

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This high efficiency PV technology allows Suntech to achieve conversion efficiency rates in the range of 18% to 19% on PV cells manufactured with monocrystalline silicon wafers and 16.5% to 17.5% on PV cells manufactured with multicrystalline silicon wafers.

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