1. Isotactic diad decreases with the increase of radiation dose . Meanwhile, atactic and syndiotactic diad increases.

2. Assemble into a triad body or diad body. Its regulator knob in pressure regulating valve can be locked, to prevent the location changed in the process of working.

3. Assemble into a triad body or diad body through linked bracket which has mounting holes for fixing.

4. The present running situation on diad graphite synthetic furnace producing hydrogen chloride is introduced in the paper.

5. Cardiac Outcomes After Screening for Asymptomatic Coronary Artery Disease in Patients With Type 2 Diabetes:The DIAD Study: A Randomized Controlled Trial.

6. The shape of the molecule of the compound is in chain configuration having diad axis.

7. To study the application of PCR - STR DNA typing in forensic diad paternity testing.

8. Aim : To study the application of PCR - STR DNA typing in forensic diad paternity testing.

9. The application of ferreous synthetic furnace, triad graphite synthetic furnace and diad graphite synthetic furnace in the production of high purity hydrochloric acid is compared.