No matter how hard a diamond is, wisdom can make it soft.

For the blind, pebbles are no different from diamonds.

Diamonds never rot.

5. The results show that the repair and regeneration layers of friction surface are diamond-like carbon film and Shi Ying glass film.

6. Polycrystalline diamond is a new tool material with high hardness and wear resistance, which is widely used in industrial fields.

7. Product features: The raw material is high-strength and high-purity high-quality diamond, which is processed by special crushing molding technology, and the crystal form is regular polygonal particles with nearly equal area.

8. After calibration, the diamond film dosimeter can be used for quantitative detection of radiation dose.

9. On the basis of theoretical analysis, the experimental study of laser cutting and polishing diamond films was carried out.

10. At the same time, the secretion levels of nitric oxide and prostacyclin in human umbilical vein endothelial cells were measured and their activities were evaluated.

1 1. A rare agate-like growth structure in Mengyin diamond was first discovered by this technique, and the characteristics and growth mechanism of this typical structure were analyzed.

12. So diamonds have become the favorite things of European kings and queens.

13. The main products are diamond saw blades.

Soft grinding disc and other diamond tools.

14. The study on the chemical properties of nano-diamond colloid is the basis of practical application.

15. Based on the uniform distribution of diamond in impregnated drill bit, the depth and stress of diamond at different radial positions on the lip surface are theoretically deduced.

16. The overall scheme of diamond wire saw which can cut the submarine dry warehouse oil pipeline is determined, and the main components are designed and calculated.

17. However, pure iron is rarer than gold or diamonds.

18. Rough machining can be carried out with diamond grinding disc, ceramic rubber grinding disc and sandpaper.

19. diamond bit: suitable for bench drill, imported and domestic mechanical special equipment.

20. The cutting performance of synthetic diamond tools for processing nonferrous metals was studied experimentally.

2 1. It is found that only four areas have more diamond reserves.

22. The variation law of cutting force and cutting temperature when diamond tool cuts silicon-aluminum alloy is studied.

23. Pyrophyllite from Qingtian Pass is used as the pressure transmission medium for synthesizing diamond at ultra-high pressure and high temperature. Li's new knowledge. The main chemical composition and mineral composition are analyzed.

24. The former is made of ordinary abrasives such as corundum and silicon carbide, while the latter is made of superhard abrasives such as diamond and cubic boron nitride.

25. It is suitable for consumables that need to provide torque, such as diamond bit, spindle grinding wheel and rubber polishing wheel brush.

26. In the process of submarine oil and gas pipeline maintenance, according to the submarine working conditions and the special structure of oil and gas pipeline, underwater diamond wire saw is used to cut the pipeline.

27. The latest research results of grinding mechanism, processing technology, abrasive tools and diamond tools in the grinding and polishing of ceramic wall and floor tiles in recent years are discussed, and the future research ideas are put forward.

28. Using iron-based catalysts with different amounts of boron carbide, boron-containing diamond single crystals were synthesized at high temperature and high pressure.

29. Diamond-like carbon films and titanium-doped diamond-like carbon films were prepared on AZ9 1 magnesium alloy by arc ion plating in pure argon atmosphere.

30. The results show that adding rare earth into the bath can improve the hardness of bright nickel coating, the cathodic polarization ability of the bath, the bonding strength between the coating and the substrate and the grinding ratio of diamond tools.