Random good picture Not show

31. Acid and alkali are the basic concept of chemistry.

32. When two different metals are placed in a fused alkali or alkaline-earth chloride bath, the more readily corrodible metal will deposit on the less corrodible one.

33. By controlling combustion temperature or adding kaolin clay to make alkali metal salts into high melting substances, coking can be avoided in dense phase zone.

34. The invention relates to a sterilizing acaricidal pesticide liquid using water as the base material, which also comprises lime, sulfur, edible alkali, washing powder and common salt.

35. In this study, a new idea that RDF is made with catalysis of alkali, alkali earth or transition metal salts. The addition of the catalysts is to low ignition and burn off temperature temperature.

36. A large quantity of saline alkali land provided material condition for the production.

37. Objective: To investigate immunological mechanism of corneal melting, perforation and ophthalmitis after alkali burn.

38. Meanwhile, we also provide you trisodium phosphate, alkali protease , Sodium carbonate , sodium sulphide and bicarbonate, etc.

39. The manganic manganous oxide is prepared from the purified manganese sulfate solution using hydrogen peroxide as oxidant under alkali medium of ammonia solution.

40. The effective factor of the experimental data of the amount of alkali dissolved from Pharmaceutical glass has been studied by powder method.

41. When alkali is added to such compounds a series of proton dissociations occurs.

42. Some suggestions removing the red colour of the platy alkali were made.

43. Sodium stearate and sodium palmitate produced by the reaction of saponifiable oil and alkali of degreasing solution were removed by filtration.

44. The Bleaching recipes leading to the whitest wool have been suggested, limited by constraints on chemical degradation, as measured by alkali solubility .

45. The valence atom of an alkali - metal atom has two states.

46. Under alkali treatment ,[Sentencedict.com] Hemslecin A becomes its isomer Hemslecin C by acetyl migration.

47. Methods Extract rutin from Sophora japonica L . by the alkali extraction and acid precipitation.

48. The concentration of alkali liquor depends on the active alkali dosage and liquor ratio, the variation of cooking liquor concentration means changing the alkali dosage and liquor ratio.

49. Widely applicable to various working conditions of acid and alkali, salt, such as the transmission medium.

50. As compared with the present technology at home and abroad, the technological process need not add alkali to conduct a saponified reaction progress.

51. Separation process of terephthalic acid(TA)from colored alkali reduction wastewater by acidation was studied and TA was simply refined through pretreatment.

52. Waste water pretreatment system, PLC autocontrol of adding acid and alkali in chlor-alkali production were introduced.

53. The wasted clay is saponification with a strong alkali stoichiometrically to prepare a washing paste.

54. Results show that a neutralization process of acid and alkali occurs during the penetration and combination of the tanning agent.

55. Author used alkali saponification method to refine silk cocoon crude oil.

56. A . splendens is a pioneer plant in saline - alkali soil ameliortion.

57. So, for example, alkali is derived from al-qili, defined as "the ashes of the saltwort plant."

58. According to the main rock-forming minerals in them, the Cenozoic volcanic rocks are mainly alkali olivine basalt, basanite and nephelinite.

59. Methods Fresh amnion transplantation was performed in 22 case ( 24 eyes ) of early conjunctival alkali burn.

60. The specific strength of titanium is high, and has a good corrosion resisting property in most mediums of acid, alkali, and salt service.