By the acid etching technique, many impurities in matrix materials wereremoved and pore canals were etched.
该方法通过酸洗刻蚀,达到了去除原材料中的杂质和刻蚀孔径的目的,所制备的中间产品24 h吸湿率为原材料的2倍,染料吸附量为原材料的1。
I never heard him make a sour expression.
他从来不作尖酸刻薄之语。
She was given to using bitter sarcasm.
她惯于用尖酸刻薄语言挖苦人。
He could also be very disagreeable and say hard and sour things.
他有时也颇使人难堪，出语尖酸刻
Honey catches more flies than vinegar.
尖酸刻薄招人怨，甜言蜜语俘人心。
Effect of hydrofluoric acid etching time on Ni/6H-SiC contacts
氢氟酸刻蚀对Ni/6H-SiC接触性质的作用
We must under no circumstances even let the rough edge of our tongues show.
在任何情况下我们都不应该说尖酸刻薄的话。
Her smile had a strange, sour sweetness.
她的笑容含有一种奇特的、尖酸刻薄的甜蜜。
The quality of being sarcastic, bitter, or scornful.
尖酸，尖刻，嘲讽尖酸、尖刻或嘲讽的特性
To cut into the surface of(glass, for example) by the action of acid.
蚀刻用酸蚀刻（玻璃的）表面
bichromated albumen process
重铬酸盐蛋白蚀刻法
Slightly sour in taste or in manner.
有酸味的，尖刻的味道稍酸，或方式有些尖刻
Sourness of taste, character, or tone.
尖酸，苦涩，刻薄味道、性格或语调的尖酸
flat biting
(蚀刻画)版面只经过一次酸蚀, 并用粗、细刻针刻出有层次的线条
The corrosive action of acid upon an etcher's metal plate.
腐蚀蚀刻器的金属盘上的酸腐蚀
Study of a UV Positive Photoresist and Photoacid Generators for 248nm Deep-UV Photoresist;
紫外正型光刻胶及248nm产酸剂的研制
Recycle of Spent Acidic Etchant for Printed Circuit Board
印制电路板酸性蚀刻废液的回收利用
"A strong acid, it is toxic and can cause severe Burns. It attacks most metals and is used for etching steel and photoengraving. "
硝酸是一种强酸,有毒,并能造成严重烧伤。能与大多数金属起作用,用于蚀刻钢材和光刻。
I should fancy it was prussic acid, as she seems to have died instantaneously.
我估计是氢氰酸，因为她好象是立刻断气的。