acetone造句
91. The mutagen precursors in shrimp sauce were extracted with isopropyl alcohol and acetone. Crude extracts No. 5 and No. 6 had obtained.
92. The oxidation of isosafrole is reaction with anhydride - acetone, anhydride - acetic acid, sodium bichromate - sulfuric acid and so on.
93. Irone was obtained through three steps reactions with citral and acetone. Citral reacted with acetone in the base catalyst to give pseudoionone.
94. Methods The left and right common iliac artery were perfused with the ABS acetone solution and the red canvas paint chloroform solution, respectively, and then dissected under stereomicroscope.
95. The honey samples were dissolved in water and acetone and then extracted with hexane- chloromethane, cleaned by C18 SPE cartridge, determined by gas chromatographic electronic capture detector.
96. I used solvents such as water, acetone, and denatured alcohol to push the crayon dust around as if it were paint.
97. Diethyl ether and acetone extracts of Xanthium sibiricum (the whole, not including fruit) and these two kinds of extracts of leaf had strong fungistasis.
98. The pure silica mesoporous molecular sieve(MCM-41) was modified on the surface by trimethylchlorosilane in polar solvent(acetone) and apolar solvent(toluene).
99. There are two methods on the synthesis of isophorone: mesityl oxide method and acetone condensation method.
100. The title compound was prepared from monomethyl sulfate and sodium acetyl ethenoxide, which was obtained from the reaction of acetone, sodium methoxide and methyl formate. The overall yield was 71.8%?
101. METHODS 3 - hydroxy estrogen reacted with dimethyl sulfate in acetone in the presence of potassium carbonate.
102. Soluble in ethanol, ethyl acetate, ethyl ether, most organic solvents such as acetone, slightly soluble in water and glycol.
103. Using immobilized malate dehydrogenase as the catalyst, L-ascorbyl malate was synthesized in an acetone system, and the product content was determined by HPLC.
104. Organic phosphorus by acetone extraction, gel column chromatography purification, HP-5 silica capillary column chromatography, flame-ray detector.
105. Solubility: insoluble in water, benzene, toluene, soluble in ethanol, acetone, ethyl acetate.
106. Using acetone adds the water withdraws the atrazine in the soil, than extract with trichloromethane, after concentrated and settle to permit, use the capillary gas chromatography.
107. It was also found that acetone was an effective aid to improve photosensitivity of tfiadimefon to photolysis and its photosensitization rate was found distinctly related to its concentration.
108. The lauroyl glucose ester was synthesized in acetone with the Novozym 435 lipase as catalyst.
109. Immerse the end of the column in a vial of acetone and check bubbles.
110. Reasons for filter frequent block for the post - treatment of acetone cyanohydrin are analyzed.
111. The leaves of Balsam pear were disposed with different organic solutions, which were ether, acetone and ethanol, after that, analyse of proteins by supersensitive silver stain SDS-PAGE method.
112. Some of the acetone and methanol molecules are formed with such a complex possessed a six-membered ring-like structure involving non-linear hydrogen bond.
113. It was shown that there was by product acetone in the products of propene hydration etherification, while there existed no acetone in the products of isopropanol dehydration reaction.
114. ConclusionThere is good cytotoxicity of the ethyl acetate and acetone extracts from Alocasia macrorrhiza to tumor cells, and no obvious acute toxicity has been observed.
115. A smokeless explosive powder consisting of nitrocellulose, nitroglycerin, and petrolatum acetone , dried , and extruded in cords.
116. The optimum method of distilling Se-containing proteins is dunking, trituration, filtration, centrifugalism, acetone precipitation and drying.
117. It is white or yellowish powder or grains, easily soluble in water to form a colloidal solution and insoluble in organic solvents such as ethanol, ether and acetone.
118. Technical progress of domestic and foreign acetone - benzol dewaxing units were introduced in detail.
119. Using HSS - 4 A and DB - FFAP wide bore capllary column and acetone as the internal standard.
120. Textiles - Quantitative chemical analysis - Part 8 : mixtures of acetate and tiacetate fibres (method using acetone).
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