The compositions and formation causes of fish eye in PVC/MBS transparent sheets were analyzed by means of scanning electron microscope (SEM), infrared spectroscopy(IR) and nuclear magnetic resonance (13C NMR) .
用扫描电子显微镜(SEM)、红外光谱(IR)和核磁共振(~(13)C NMR)等手段对PVC/MBS透明片材中晶点的组成和产生的原因进行了分析,并在此基础上提出了防止晶点形成的措施。
diapositive ,photographic, exposed and developed
照相透明正片,已曝光和显影
Clear lens extraction and intraocular lens implantation for correction high myopia.
透明晶体摘除眼内镜片植入矫正高度近视
a very thin transparent sheet of plastic.
一种透明的塑料薄片。
Transmission electron micrographs confirmed the actual continuity of cytoplasm in these networks.
透视电子显微照片证明了胞质在这些网状结构中的真正连续性。
Film assembly: Positioning and fixing pieces of film negative or positive,in accordance to a layout sequence on a sheet of base paper or acetate which is to be used for printing down.Also called Film make-up,Stripping.
拼大版:把多张负片或正片菲林，依照编排次序，拼贴于一张基纸或透明片上作晒版用的情况。
A variety of transparent or translucent orthoclase.
冰长石正长石透明或半透明的变体
A small crystalline bit of snow.
雪花，雪片一片小而透明的雪花
Mica in thin, transparent sheets.
薄白云母片薄且透明的白云母片
Imperfect transmission is the glass or film upon which the emulsion is coated.
涂乳胶的玻璃片或软片不完全透明。
and I'm writing this postcard.
正在写这个明信片。
When the tissue is completely infiltrated by the wax is opaque the block must be marked to insure correct orientation when sectioning.
由于石蜡是不透明的，所以包埋块必需加以标记以确保切片时方向正确。
Cannot make the picture transparent. Memory may be low.
无法将图片透明化。内存可能不足。
It consists of a transparent dielectric spacer.
它由一个透明的电介质隔片构成的。
Colour transparency: A full colour photographic positive on film.
彩色透明片:带有全部色彩的阳图菲林。
The transparence of the glaze depends on whether there is a separated-crystal layer in the glaze.
瓷片的透明度与釉中析晶层密切相关。
caused by opaque cell fragments in the vitreous humor and lens.
眼里玻璃质物体和镜片的不透明细胞碎片。
A mask is a transparent sheet of plastic.
蒙片是一张覆盖在图版上的透明塑料片。
The front of the postcard shows a picture of the Summer Palace.
明信片的正面是一幅颐和园的照片。