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241, Today, the Oregon Occupational Safety and Health Administration says it found significant amounts of formaldehyde in the hair straightener.

242, A novel adsorbent was prepared on the basis of collagen fiber by cross - linking reaction of formaldehyde.

243, A non - formaldehyde self - cross - linking acrylate binder has been prepared by seed emulsion polymerization.

244, Polymers are synthesized by reacting tung oil with resorcin first and then with 4 maleimidophenol formaldehyde resin.

245, Formaldehyde, acetaldehyde and acrolein are common aldehyde in the environment.

246, Allyl-functional benzoxazine is synthesized by the reaction of allyl phenol, phenyl amines, and formaldehyde.

247, With triethylamine as catalyst, 2,2-dihydroxymethylbutanal(DMB) was synthesized with formaldehyde and butyraldehyde taking place aldol condensation reaction.

248, The change trends of glutin isoelectric point after treated with THPC, formaldehyde and chrome salt were researched and the results showed that the tanning property of THPC was good.

249, The formaldehyde emission values existed obvious variation within the middle density fiberboard.

250, Indoor environment for thousands of varieties of hazardous substances, the most important are : radon, radioelement , formaldehyde, benzene, ammonia, PVC,(www.Sentencedict.com) nitrogen oxides and carbon oxides.

251, Using formaldehyde solution instead of mercurate, the environmental pollution was reduced.

252, The paper discussed in detail a method of determination of formaldehyde content in textileacetyl- propionyl .

253, The water resistant low formaldehyde content urea-formaldehyde resin was prepared by adding hydrophobic resin and formaldehyde collecting agent.

254, The paper has made a comparison of syntheses and properties between melamine urea formaldehyde resin and melamine resin.

255, Gathered viscus tissues of nude mouse, fixed with 10% dampen formaldehyde solution, paraffin embed, routine HE stained and morphology observed by microscope.

256, The formaldehyde in fur was extracted by artificial perspiration solution and the formaldehyde content in the extracted liquor was determined by acetylacetone spectrophotometric method.

257, Examples of fixatives are formaldehyde, osmium tetroxide, ethanol, and acetic acid.

258, N, N - bis - phosphonomethyl taurine ( BPMT ) was synthesized using taurine, formaldehyde and trichloride as raw materials.

259, Using inorganic base as a catalyst, 2,2dimethylolbutyraldehyde was prepared by aldol condensation from formaldehyde and butyraldehyde.

260, Tiaogan gold oil by phenol - formaldehyde resin, drying oils, oil, etc.

261, The ethoxyline resin is type A of bisphenol, cyclic hydrocarbon, linearity phenol formaldehyde and so on.

262, METHODS Plasma SSAO activity, methylamine hydrochloride(MA) and its metabolite formaldehyde(FA) concentrations were determined by HPLC after iv MA to mice, rats and rabbits.