naphthalene造句
31) In fact, camphor and naphthalene balls are different in nature.
32) In no-smoking home kitchens the two main sources of naphthalene were cooking and volatilization of camphor ball, accounting for 64% and 36%, respectively.
33) Two of distillation crystallization method gas chromatography to determine the naphthalene content in oil were introduced.
34) Additionally, the high level of Naphthalene were considered with the increasing motor -driven vehicles and the use of camphor ball in hotels and in families in Xiamen City.
35) High-pressure mercury lamps were more effective for exciting the photoreaction of naphthalene relative to sunlight.
36) The p dichlorobenzene and naphthalene in mothproofing agent was determined by infrared spectroscopy.
37) In this paper, the formation of exciplex between 2,[/naphthalene.html]6-dimethyl naphthalene dicar-boxylate and naphthalene was demonstrated by time-resolved fluorescence spectra.
38) For production of industrial naphthalene, the Coking Works of Anyang Iron & Steel Group Co.
39) Main products are anthracene, naphthalene, bitumen, crude carbolic acid, benzene, toluene and xylene etc.
40) It'seems that refination of naphthalene through low - naphthalene washing oil is more economic.
41) In this paper, the synthesis methods and processes from naphthalene, methylnaphthalene, toluene and xylene as starting materials were introduced.
42) The theory of complex chemistry and construction chemistry was used to explain the mechanism of action between naphthalene hydroxyl oximino acid and wolframite.
43) The 12 of low polar components of Anabasis Aphylla L. were separated and identified by gas chromatography-mass spectrometry. They are naphthalene and azulene species.
44) With the hexamethylene as solvent and naphthalene as solute, the relative error of molar mass of naphthalene measured is not much as 1%.
45) phosphophenylazo ) - 7 - ( 2,4 - dichlorophenylazo ) - 1,8 - dihydroxy - 3,6 - naphthalene disulfonic acid ( abbreviation : DC - CPA ), has been used in the spectrophotometric determination of bismuth.
46) Np - anilino-naphthalene -1,8- dicarboxylic imide and N - allyl - naphthalene -1.8- dicarboxylic imide were synthesized, then their two modified polymers were also prepared.
47) The developing status of the main producing technical for naphthalene, in especial petroleum naphthalene recent years inland and abroad are introduced.
48) So here I would like to talk about camphor and naphthalene ball.
49) Oil and Lubricants, Valves, Pipes and Pipe Fittings Naphthalene, Valves, Pipes Fittings Oil and Lubricants.
50) Then we made super acid catalyst with the nano-ZrO_2 and studied oligomerization on naphthalene with the catalyst.
51) Domestic production of naphthalene and naphthalene derivatives is insufficient for the growing market demand, so that the import quantum shows the tendency of increase year by year.
52) After quenching and tempering, material H13 steel core bar was broken during alignment There are naphthalene fractures on macroscopical fractures surface.
53) Make up, can divide into carotenoid kind, anthracene quinone, naphthalene quinones , kinds of flavonoids, ginger flavin kind, indigo kind, chlorophyll 7 altogether according to chemistry.
54) With kBrO3 to oxidize 2- methyl naphthalene in acidic solution to produce 2- methyl naphthoquinone.
55) The gained achievements have a certain guiding significance for the industrial production of Naphthalene series superplasticizer.
56) The amino acids were derivatized with naphthalene _ 2,3 _ dicarboxyaldehyde ( NDA ) to produce electroactive substances.
57) In this paper, distillationcrystallization coupling is studied on the basis of recovering technical naphthalene from cracking residue.
58) Dispersants such as lignin type, naphthalene sulfonate - formaldehyde condensates and polycarboxylic acids were introduced.
59) Main business: coal, Metallurgical coke, Bituminous coal, Coal tar pitch, Coking benzene, Fuel oil, Mixed Oil, Refined Naphthalene , washed oil, Anthracene oil etc. GB products.
60) The process of alkyl naphthalene preparation by alkylation, acylation and direct extraction are also discussed.
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