1 Nitrous oxide is commonly known as laughing gas.

2 Nitrous oxide Six percent of the current greenhouse effect.

3 Nitrous oxide is also responsible for about six percent of the greenhouse effect.

4 Other reactive trace gases such as nitrous oxide and methyl iodide also remain at elevated and aberrant levels.

5 For instance, he taught me how to use nitrous oxide for its effect in combating physical pain.

6 Increasing atmospheric levels of nitrous oxide currently stand at about eight percent above pre-industrial levels.

7 The nitrous acid produced later in the reaction chain is toxic, corrosive, mutagenic, teratogenic, and carcinogenic.

8 Once produced, nitrous oxide remains in the atmosphere for about 150 years.

9 It would also reduce sulphur dioxide and nitrous oxide emissions, which cause acid rain, by 42,000 tonnes.

10 A can of whipped cream uses nitrous oxide, an anesthetic, as a propellant.

11 The cocktail of greenhouse gases includes chlorofluorocarbons, methane, nitrous oxide and carbon dioxide.

12 A gaseous anesthetic, such as nitrous oxide.

13 OSLO (Reuters) - Thawing permafrost can release nitrous oxide, also known as laughing gas, a contributor to climate change that has been largely overlooked in the Arctic, a study showed on Sunday.

14 But The land can also release nutris nitrous oxide , a heat - trapping gas.

15 This reported kinetic analysis of nitrous ion is based on the monitoring of the concentration change of periodate ions by means of the perchlorate selective electrode.

16 Nitrous esters can react with alkyl peroxides to yield alkyl nitrates.

17 Curbing nitrous oxide emissions would enhance the ozone layer's recovery.

18 Be just nitrous acid because of the inner processing meat products has added a saltpetre, amine in meeting and leben forms sub nitramine , is cancerogen.

19 The nitrous oxide - ethane flame atomic absorption spectrophotometer was used to measure calcium in carbonyl nickel powder.

20 The Government gave way in 1988,[] then went back on deal to cut nitrous oxide emissions by 30 percent.

21 Recorded emissions of sulphur dioxide were 2.67 million tonnes in 1992, while nitrous oxides totalled 701,645 tonnes.

22 The researchers have found nylon production to be responsible for up to 10 percent of the increase in nitrous oxide.

23 Bacteria then work on the nitrates converting them firstly to nitrous oxide and then to free nitrogen gas.

24 Destaillats's team reckon that NNK is produced when nicotine from tobacco smoke reacts with nitrous acid in the air.

25 Nitrosophenols are formed very easily by the action of nitrous acid on phenols.

26 Results showed that the former afforded an yield over 80% and the regioselectivity (P/O ratio) up to 5.4, both were higher than that using nitrous acid as nitrating agent.

27 There, in a process called denitrification, microbes convert the nitrogen into nitrous oxide (also called laughing gas) and an inert gas called dinitrogen.

28 It is concluded that the alternating inhibition effect of free ammonia(FA) and free nitrous acid(FNA) on nitrobacteria is responsible for the steady nitrite nitrogen accumulation.

29 The reaction of potassium periodate and orange red can be catalyzed by nitrous ions.

30 In vegetables nitrate content is also higher, but the nitrous acid salt content is low, and basically does not pose a threat to human body health.

31 Nitrous oxide comes from car exhausts and from chemical fertilizers.

32 The booth has three hard-and-fast rules: No drugs (except the amyl nitrate and nitrous oxide we sell at the counter), no turning tricks, and always feed the meter if you want to stay in the booth.

33 The reaction of triphenyltin with nitrous acid in aqueous phase in the presence and absence of O2 was studied by a laser flash photolysis technique.

34 But The land can also release nitrous oxide, a heat - trapping gas.

35 Ultraviolet light and nitrous acid are the mutagens of choice for T. viride -285. They are highly effective when used together.

36 Objectives: To study the relationship between nocturnal penile tumescence and nitrous acid concentration changes in urine at night.

37 To test the theory, the team deposited either nicotine or tobacco smoke on sheets of paper, and exposed them to nitrous acid.

38 Ambient conditions that include toxic gases such as hydrogen sulfide, sulfurous acid, nitrous acid, chlorine, bromine, methyl bromide, ammonium, etc.

39 The land can also release nitrous oxide, a heat - trapping gas.

40 Helmont, it was first studied in 1772 by Joseph Priestley, who called it "nitrous air."

41 The EPA said its finding was based on a rigorous review of science on six greenhouse gases: carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons and sulfur hexafluoride.

42 The land can also release nitrous oxide, a heat - gas.

43 If carbon dioxide is responsible for about one-half of human-related greenhouse gas warming since the industrial revolution, methane and nitrous oxide are responsible for another one-third.

44 Stratospheric influences on the tropospheric seasonal cycles of nitrous oxide and chlorofluorocarbons.

45 The yield and regioselectivity were investigated at various ratios of nitrate to salicylate with copper nitrate comparing with nitrous acid.

46 Bland The land can also release nitric nitrous oxide are heat trapping , a heat - trapping gas.

47 OLAND process is the novel biological denitri fi cation process developed based on the nitrous nitrification-anaerobic ammonia oxidation technology.

48 But The land can also release nitric outside by hit trapping nitrous oxide, a heat - gas.

49 In this paper, A new controlled depolymerization to chitosan - oligosaccharide from chitosan by nitrous acid is presented.

50 Objective To evaluate the advantages of nitrous oxide inhalation as an adjunct to local anaesthesia for the extraction oi impacted teeth in child patients.

51 This article studies the reactions of nitrous acid with eldest aromatic amine and diazonium salts substituted by halogen,[] and investigates the condition and mechanism of those reactions.

52 Objective : To observe the function of nitrous oxide mixture gas in labor and analyse its result.

53 This paper mainly studied the quality variation of China Toona such as Nitrous salt, Vitamin C, Total sugar, Chlorophyl, Protein during the process of sousing and storing.

54 Conclusion With good analgesic effect, uterus laxity , low probability of induced abortion syndrome and no more hemorrhage, disoprofol and nitrous oxide is good for painless induced abortion.

55 In the Netherlands the contributions of methane and nitrous oxide to the total emission of greenhouse gases are estimated to be 8% and 6% respectively.

56 Some farming practices and land - use changes increase the levels of methane and nitrous oxide.

57 The land can also nitrous oxide, a heat - trapping gas.

58 Purpose:Studies the removal effect on ammonia nitrogen, nitrous acid nitrogen, CODMn and turbidity during immobilized nitrobacterias pilot experiment, and provide reference for the actual project.

59 It has studied the action of hydrogen peroxide on nitrous acid.

60 Carbon monoxide and nitrous acid ester are synthesized through coupling reaction into diester carbonate in the presence of catalyst and at relatively low pressure and temperature.

61 David to accept the first task is the preparation nitrous oxide gas.

62 Under the influence of nitrous oxide , he found himself writing such impressively nonsensical propositions.

63 The standard anesthesia regimen consisted of propofol , nitrous oxide, and remifentanil.

64 The application of nitrous oxide ethyne flame atomic absorbing spectral method to continuous measure the content of Nb and Mo in 7715D high temperature titanium alloy is studied.

65 For example, nitrous oxide is a gas linked to climate change.

66 Muriate acid concentration is 15-20 percent, first select 15 percent, nitrosation solvent is nitrous acid metal salt or nitrous acid ester[http://], and sodium nitrate is first selected.

67 The research emphasis is restartable nitrous oxide monopropellant thruster suitable for keeping the position and phase of small satellite.

68 The land can also release nitrous oxide, a heat trapping heat - trapping gas.

69 The greenhouse gases are carbon dioxide, methane, and nitrous oxide.

70 Conclusion: the relationship between nocturnal penile tumescence in extent and time and nitrous acid concentration changes in urine is positive correlation.

71 A very high excess of oxygen, methane, and nitrous oxides would certainly be suggestive of life.