The traditional manufacturing methods include powder-sintering, melt-spinning and cold-stretching, thermally induced phase separation, state track etching, non-solvent induced phase separation, etc.

微孔材料的传统制造方法有粉末烧结法、熔融拉伸法、径迹蚀刻法、非溶剂致相分离法等。

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The chemical etching condition of CR-39 solid state nuclear track detector for neutron measurement was optimized by experiment.

通过实验确定了CR - 39固体核径迹探测器用于中子测量的化学蚀刻条件。

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The effects of potassium dichromate concentration, sulfuric acid concentration, etching temperature and etching time on the bulk etching rate of PP nuclear track membrane were discussed.

建立了基体蚀刻速率与重铬酸钾浓度、硫酸浓度、蚀刻温度的数学关联式；

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The X131e offers a number of customization options including custom colors, asset tagging services to help keep track of devices left on the school bus or classroom, and school logo etching to make every device unique to each education institution2.

ENGADGET: Lenovo adopts Chrome OS, intros ThinkPad X131e Chromebook for schools

Recognizing that one laptop doesn't fit all, especially when it comes to schools, the ThinkPad X131e offers a number of customization options including custom colors, asset tagging services to help keep track of devices left on the school bus or in the classroom, and school logo etching to make every device unique to each educational institution2.

ENGADGET: Lenovo adopts Chrome OS, intros ThinkPad X131e Chromebook for schools