Random good picture Not show

181, The bisphenol F was synthesized by condensation reaction using phosphoric acid as catalyst, phenol and formaldehyde as feed stock under the non-solvent condition.

182, A new type of phenolic resin adhesive for casting was prepared by condensation polymerization of furfuryl alcohol and the reaction product between phenol, phenylphenol, urea and formaldehyde.

183, Rats in normal control group were killed directly through air embolism, cleared and fixed with 10% formaldehyde solution for 15 days.

184, Phenyl carboxylic acid was produced by oxidation of phenyl formaldehyde using hydrogen peroxide as oxidizing agent and amine hexadecane trimethyl P-W heteropoly acid as catalyst.

185, Melamine, urea and formaldehyde underwent hydroxymethylation and etherification to yield a composed resin glue of methyl-etherified hexahydroxy methylmelamine and methyl-etherified hydroxymethylurea.

186, In experimental plate formaldehyde release rate and release quantity: high density board.

187, Phenolic resin modified with zirconium and with high char yield was synthesized with formaldehyde, phenol and zirconyl chloride as raw materials.

188, As chemical feedstock, methanol can be used to produce dimethyl ether, ethylene, formaldehyde and various derivatives.

189, This study is the first to document the widespread presence of both formaldehyde and 1, 4-dioxane in bath products for children, including baby shampoos, bubble baths and baby lotions.

190, Dispersants such as lignin type, naphthalene sulfonate - formaldehyde condensates and polycarboxylic acids were introduced.

191, Contrary to industry statements, there are no regulatory standards that limit formaldehyde, 1, 4-dioxane or most other toxic chemicals in personal care products sold in the United States.

192, The absorption of modify hide glue on formaldehyde gas was researched.

193, Second - hand contains carbon monoxide, ammonia, formaldehyde a pyrene and nitrosamines.

194, The soil (including underground spider plant) contribution to formaldehyde purification was higher compared to aboveground spider plant.

195, Melamine - formaldehyde ( MF ) microcapsules containing LO were also prepared and treated on fabrics for comparison.

196, The base material was tailor made colloidal solution of dicyandiamide urea formaldehyde copolymer.

197, Formaldehyde and distillation are the nitrogen determination methods in the sample.

198, Result The top 5 chemical allergic resources of these patients were 0.1% thiomersalate, 5% nickel sulfate, 7% aromatic compound, 1% formaldehyde(water solution), 1% styrene.

199, This paper describes the development test of molel plate of larch plywood used urea formaldehyde resin. Sentencedict.com

200, The firming agent, coupling agent, and surfactant were screened. The optimum composition of emulsive urea - formaldehyde resin sand -consolidating agent was selected.

201, Effective preservatives. Use in waterborne or formaldehyde sensitive system. Non-solvent and formaldehyde free. Prevent the products from decompounding by microorganism.

202, Research indicates that is a novel non - formaldehyde durable press finishing agent worthy of research and development.

203, Pertinent to the regional status in Harbin, a study was carried out to investigate into the effect of ventilation, photocatalysis and ozonization on the reduction of indoor formaldehyde and ammonia.

204, The ionic effect that its crystal structure produces can mix the formaldehyde in air, benzene, alcohol the oxygen of hurtless of harmful material translate into such as the bacterium and water.

205, Several harmful VOCs may exist in old buildings insulating material has been used. ( Formaldehyde ).

206, Contrast test was done between rapid determination box and acetyl acetone method in determining formaldehyde in aquatic products and lixivium.

207, The method can be used to test sodium formaldehyde sulfoxylate in all foods.

208, The chemicals formaldehyde, toluene and dibutyl phthalate are used in most nail polishes.

209, Objective To explore the mechanism of formaldehyde ( FA ) inhalation induced lung injury.

210, This article studies a new method of determining trace formaldehyde by phloroglucinol . The application conditions of color reagent are investigated.