How to test the quality of wallpaper

Ceiling Engineering substrate (1) metal plate should meet the following requirements:
The materials, types, specifications, colors, and ceiling dimensions of the ceiling metal plates must meet the design requirements and the current national standards.

The connection between the metal plate and the keel must be firm and reliable and must not be loosely deformed.

The location of the equipment mouth and lighting fixtures should be reasonably laid out, and be symmetrical and beautiful according to strips and blocks. Set the cut size to the exact edge neatly without revealing seams. Arrange straight and square.

(2) The installation quality of the metal plate shall meet the following requirements: Quasi-climbing on the board surface; smooth surface; tight joints and interfaces; straight seams on the board, no obvious misalignment, uneven width and width; The shoulder line of the decoration line is correct.

Excellent: the accuracy of surface cracking; smooth surface; tight joints and interfaces; positional arrangement of strip-shaped plates is staggered and orderly, plate joints are straight, misplaced and misaligned; width and width are consistent; yin and yang angles are found in square; decorative shoulders The corners and cutting directions are correct, and the tight and irregular shaped plate discharge positions are reasonable and beautiful.

(3) The surface of the metal plate shall meet the following requirements: the surface shall be clean, there shall be no warping angle, bumps, and the coating shall be in good condition without scratches and no obvious color difference.
Excellent: neat surface, no warping, bumps, good coating without scratches, consistent and beautiful color.

Construction acceptance decoration

Microscope Slides And Cover Slips

1. The glass slide is used to put the sample to be tested, and the cover glass is covered on the sample to be tested.
2. The glass slide is at the bottom, which is the carrier for the material you want to observe, that is, you want to put something on it.
3. The cover glass is smaller than the slide glass. The glass slide is mainly used to hold the observation objects. The cover glass is covered on the slide glass and used for fixing.
4. The glass slide is a thicker piece of glass in the transfer slide, which is used to carry the real object. The cover fragment is the small round or square thin one.
5. Mounting is a general term for a set of things, including slides, coverslips and loaded objects

6. The cover glass is square, the slide glass is rectangular, and the width is longer than the side of the cover glass.

Microscope Slides and cover slips


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