The scratch resistance, pencil hardness and abrasion resistance of BOPET film couldn’t satisfied the qualification that the protection film of optical-electrical production desired.
本文的目的在于探索出一种涂布在BOPET薄膜表面的涂层,该涂层具有优异的抗划伤性能、高的表面铅笔硬度以及优异的耐磨性。
Analytic scales and pencil hardness tester were employed to analyze the effect of the composition of pad on its swelling ration and hardness.
采用失重法与铅笔硬度计分析了抛光垫的组分对其溶胀率及干湿态硬度的影响,比较了固结磨料方法与游离磨料方法抛光后硅片的表面粗糙度。
The hardness designation of the pencil that just fails to cut the film is the pencil hardness of the film.
刚好不能够将涂膜刺破的铅笔硬度的确定为涂膜表面的硬度。
Determination of film hardness by pencil test
GB/T6739-1996涂膜硬度铅笔测定法
Remill the penpiont after every scrape. Repeat operation five test by the same grade pencil.
每刮划一道，要对铅笔芯的尖端进行重新研磨，对同一硬度标号的铅笔重复刮划五道。
a mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil.
石墨与不同硬度粘土的混合物，铅笔的用于书写的物质。
There are some pencils in the pencil - box.
铅笔盒里有一些铅笔。
With my pencil, with my pencil,
用我的铅笔，用我的铅笔，
wood of a pencil cedar tree; used for making pencils.
铅笔柏木料，用于制铅笔。
Write with pencils, write with pencils.
用铅笔写字，用铅笔写字。
There are two pens and a pencil in my pencil-box.
我的铅笔盒里有两支钢笔和一根铅笔。
A stroke with or as if with a pencil.
一笔用铅笔或如同用铅笔一样画一下
One, two, three, three pencils.
一，二，三，三支铅笔。
My pencils are in my pencil-box.
我的笔在我的铅笔盒里。
I'd like a pen and red pencil.
一枝钢笔和一枝红铅笔。
Pen and pen-cil, ru-ler, book, ru-ler, book
钢笔和铅笔，直尺和书本。
A pen or a pencil is required.
需要一支钢笔或铅笔。
There are pens, pencils and books on the table.
桌子上有钢笔、铅笔和书。
A quick stroke, as with a pencil or brush.
潦草一笔匆忙的一笔，如用铅笔或画笔
drawings in ink, pencil, pastel, and crayon;
钢笔画、铅笔画、彩色粉笔画和蜡笔画；
