Nghĩa của từ van der waals bằng Tiếng Anh
Johannes Diderik van der Waals (1837-1923), Dutch physicist, winner of the 1910 Nobel Prize in Physics; family name
Đặt câu với từ "van der waals"
1. van der Waals Radius: %
2. With fine-grained materials, undesired adhesive effects occur foremost because of Van der Waals' forces.
3. Bilayer graphene consists of two stacked graphene layers bound together by van der Waals interaction
4. There are four major types of chemical bonds: Covalent bonds, ionic bonds, hydrogen bonds, and Van der Waals …
5. The Bismuth atom has a radius of 154.5.pm and its Van der Waals radius is 200.pm
6. And because this van der Waals force, this dipole- dipole interaction is stronger than a London dispersion force.
7. The Bromine atom has a radius of 102 pm and its Van der Waals radius is 183 pm
8. It is argued that 2J decreases algebraically as the van der Waals solute–solvent interactions increase in magnitude.
9. Ferry takes vo as including not only the Van der Waals' radii but also the volume associated with vibrational motion.
10. In the absence of any transannular interaction, vicinal constraints and van der Waals requirements of the substituents control the conformational equilibrium.
11. 21 The conventional inter-particle force model, including van der Waals force, Coulomb force and image force, could not explain these interaction behaviors.
12. 30 To create nonsticky adhesive materials, geckos showed the way to van der Waals force, the sum total of attracting or repelling forces between molecules.
13. In addition, the red wing of the D-line emission is further pressure broadened by the Van der Waals forces from the mercury atoms in the arc.
14. Barium is a member of the alkaline-earth metals.The Barium atom has a radius of 222.pm and its Van der Waals radius is 268.pm.
15. Due to the high aspect ratio, the long CNTs were inclined to entangle with each other Anfractuously, and van der Waals-force made them densely packed (Step 1)
16. Adsorption is a separation process where mo lecules tend to concentrate on the su rface of the adsorbent as a result of Van der Waals force wh ich exists between the molecules
17. 9 Van der Waals bonds are familiar from the kinetic theory of gases as the forces responsible for the deviation of the behaviour of a gas from that of an ideal gas.
18. As the Alkanes posses weak Van Der Waals forces, the first four members, to are gases, to are liquids and those containing 18 carbon atoms or more are solids at 298 K.
19. 30 The development of the research of the Van der Waals force, the Coulomb force and the space resistance, which have an important influence on the agglomeration of the ultra-fine powders, is reviewed.
20. Where [GAMMA] is the effective surface energy at the void tips for Crazing, [gamma] is the van der Waals surface energy, [v.sub.e] is the entanglement density, d is the entanglement distance, U is the energy for breaking a single backbone bond.
21. Straightforward analysis, assuming only Coulomb and van der Waals interactions between otherwise isolated donor and acceptor centres indicates that recombination involving P and In centres separated by distances ranging from 7.7 to 20 Å is responsible for the observed sharp line structure.
22. The number of electrons in each of Americium's shells is 2, 8, 18, 32, 25, 8, 2 and its electron configuration is [Rn] 5f 7 7s 2.The Americium atom has a radius of 173.pm and its Van der Waals radius is 244.pm.
23. The number of electrons in each of Astatine's shells is 2, 8, 18, 32, 18, 7 and its electron configuration is [Xe] 4f 14 5d 10 6s 2 6p 5.The Astatine atom has a covalent radius of 150.pm and it's Van der Waals radius is 202.pm.