quaternary in English

adjective
1
fourth in order or rank; belonging to the fourth order.
In the more complicated previous model [3-6], higher total R1 concentrations favor higher order quaternary states.
2
of, relating to, or denoting the most recent period in the Cenozoic era, following the Tertiary period and comprising the Pleistocene and Holocene epochs (and thus including the present).
Together, the Pleistocene and Holocene make up the Quaternary period, marked by waxing and waning of polar glaciers.
noun
1
the Quaternary period or the system of deposits laid down during it.

Use "quaternary" in a sentence

Below are sample sentences containing the word "quaternary" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "quaternary", or refer to the context using the word "quaternary" in the English Dictionary.

1. Quaternary ammonium compounds, trimethylsoya alkyl, chlorides

2. Albuminoids, nitrogenous, quaternary, and ternary substances

3. The Quaternary sediments are largely undeformed.

4. Cationics are usually quaternary ammomium salts.

5. Quaternary ammonium compounds, (hydrogenated tallow alkyl)trimethyl, chlorides

6. Quaternary overburden is completely developed with thick layer.

7. Quaternary System are not developed in eastern Liaonmg.

8. N-Alkyl C12-C14 dimethyl ethylbenzyl ammonium chloride is a quaternary ammonium compound that demonstrates antimicrobial activity 1,5,4,6,7.In particular, a high degree of microbiocidal activity in hard water is obtained with a blend of two quaternary ammonium chlorides or bromides where the quaternary ammonium cation of each quaternary component is Alkyl dimethyl …

9. Compounds containing alkylene oxide units and quaternary ammonium groups

10. Quaternary ammonium compounds, C12-14-alkyl[(ethylphenyl)methyl]dimethyl, chlorides

11. Kazakhstania was too dry for extensive glaciation during the Quaternary.

12. Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids

13. The quaternary sector is based on knowledge and skill.

14. Process for the electrolytic production of quaternary ammonium hydroxides and alkoxides

15. The quaternary ammonium salt polymer PDA was applied on dye fixation process for pigskin suede leather on the basis of dye fixation principle of quaternary ammonium salts.

16. Tetrabutylammonium Bisulfate, a quaternary ammonium salt, is a phase-transfer reagent

17. The city stretches out on an alluvial plain dating to the Quaternary era.

18. North of the moraine lies the greatest accumulation of Quaternary sediment in Ontario.

19. The name is derived from the para positions of the quaternary nitrogens.

20. Betaine is a quaternary ammonium zwitterion, extensively present in animals, plants and microorganisms

21. The Quaternary ice ages had relatively little direct geologic influence on the Balkans.

22. metamorphites, Mesozoic igneous intrusive rocks, Tertiary volcanic and sedimentary breccias, and Quaternary alluvia.

23. cationic or ‘acidic’ emulsions based on an aliphatic amine or a quaternary ammonium ion.

24. Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined

25. It was found to be highly sensitive to those Algicides containing quaternary ammonium compounds

26. The coastal cities, major centers of demand, use in addition the local Quaternary sands.

27. 9 Those correspond to Quaternary , Pliocene , Upper Miocene, Lower Miocene and Eocene respectively.

28. The landform is a plain consisting of alluvial and diluvial deposits from the Quaternary period.

29. The construction site consists of new and old alluvial (Quaternary) deposits in the study area.

30. The landform is a plain consisting of alluvial and diluvial deposits from the Quaternary period

31. Storage-stable organosilane quaternary compounds are provided in the form of adducts with urea (Clathrates)

32. 2923 || Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined ||

33. 2. cationic or ‘acidic’ emulsions based on an aliphatic amine or a quaternary ammonium ion.

34. Betaine is a zwitterionic quaternary ammonium compound that is also known as trimethylglycine, glycine Betaine, lycine, …

35. Analogous quaternary derivatives retain their Si-C-bonds in aqueous medium and form low molecular polysiloxanediols.

36. The last quaternary continental glacier created the clay, sand and gravel layer 30 - 100 m deep.

37. 21 There were mainly neritic shelf and bathyal filling sedimentation in the Pliocene and Quaternary.

38. Arthropodan and molluscan hemocyanins form high-molecular aggregates which are markedly different in size and quaternary structure

39. Maleic Anhydrides, Oleochemicals, PVC Resins (9002-86-2), Plasticizers, Quaternary Ammonium Compounds, Water Treatment Chemical Products, Waxes …

40. Arthropodan and molluscan hemocyanins form high-molecular aggregates which are markedly different in size and quaternary structure

41. Concavity's predictions of the ligand binding pockets and residues for structures from the Protein Quaternary Structure database

42. Didecyldimethylammonium chloride (mixture of alkyl-quaternary ammonium salts with alkyl chain lengths of C8, C10 and C12)

43. The present invention relates to a quaternary chrome series catalyst for ethylene trimerization to prepare 1-hexane.

44. Commonly used in antiseptic towels, a family of substances known as quaternary ammonium compounds are also considered Antiseptics

45. In the early Quaternary, medium, Populus gradually evolved into the most important building in desert riparian forest species.

46. The pentacyclic indole alkaloid Ambiguine P (3), isolated from the cultured cyanobacterium Fischerella ambigua, includes a cyclic quaternary

47. Commonly used in Antiseptic towels, a family of substances known as quaternary ammonium compounds are also considered Antiseptics

48. The antimicrobial action of Acriflavine, a quaternary ammonium compound, on Staphylococcus aureus was studied by electron microscopic observation

49. Much of the progress achieved in studies of Quaternary environmental change has involved increasing amounts of interdisciplinary cooperation.

50. Acetylcholine Chloride is the chloride salt form of Acetylcholine, a synthetic, quaternary amino alcohol with cholinergic properties