Random good picture Not show

121 It is a rapid method for screening the tyrosine phenol lyase producer according to the size of the red color ring by using methyl phenol red as the indicator in the solid medium containing tyrosine.

122 In the second stage operation, a wire mesh - methyl methacrylate was as the material of cranioplasty.

123 Many believe that the scientific evidence of methyl bromide's ozone - depleting effects is undeniable.

124 The low-temperature fluidity of biodiesel depends mainly on the branching degree, content and composition of the saturated fatty acid methyl esters thereof.

125 UV-Vis spectrum indicated that the phenyl structure and naphthyl structure of methyl orange were destroyed, methyl orange solution was degraded.

126 Methyl tert-butyl ether (MTBE) is widely used as an addictive in unleaded gasoline to curb the air pollution caused by leaded gasoline.

127 A new type catalyst was prepared and applied to the oxidative esterification reaction of methacrolein (MAL) to methyl methacrylate (MMA).

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

129 Survival rate of Chinese hamster oocytes (A570) was tested by methyl thiazolyl tetrazolium (MTT) with spectrophotometric determination.

130 All - E long chain part was synthesized from solanesol, then condensed with the reductive product of 2,3 - dimethoxy - 5 - methyl -1,4- benzoquinone in the presence of dry ZnCl2.

131 There are two treatment options, heat treatment or fumigation with methyl bromide.

132 Then we tested the photosensitivity of POF whose core material was copolymer of azo-benzene and poly (methyl methacrylate) (PMMA) in experiment.

133 The results showed that in this process of alkaline hydrolysis the demethylation of poly(methyl glutamate)was faster, but debenzylation of poly(benzyl glutamate) was hardly processed.

134 This review mainly summarized the reaction mechanism and the method of methyl oxided into aldehyde group.

135 IR and CP/MAS13CNMR results show that the methyl L-glutamate side chains are bonded with chitosan through amide bond to form comb-like graft products.

135 Wish you will love sentencedict.com and make progress everyday!

136 Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid, methyl methacrylate, butyl acrylate as the raw materials.

137 Methyl orange and phenolphthalein are other indicators frequently used by chemists.

138 In DMSO-H2O mixture, using TPP and metal TPP's as sensitizers, EDTA as electron donor, methyl viologen was reduced to the blue methyl viologen cation radical upon irradiation with white light.

139 A mathematical regression model was presented in this study for the separation of sterols in methyl(esterification) of rapeseed oil deodorized distillate by central composite design.

140 Methyl thiazolyl tetrazolium(MTT) assay was employed to detect inhibition rate of CTL and its supernatant on 3AO cell, HCCC-9810 cells? 293T cells, respectively.

141 In addition, methylation and methyl rearrangement of arenes were mainly controlled by the abundance, source and evolution degree of soluble organic matter.

142 Other nations, however, including Austria, Finland, and Sweden have eliminated their major use of methyl bromide.

143 The research is about united manufacture of methyl ester of dichloroacetic acid and mercaptoacetic acid, using mother solution of monochloroacetic acid and sodium sulfhydrate as materials.

144 The influence of titanium isopropoxide on the anti-contamination agent curing speed in benzinum solvent , and the influence of methyl hydrogen silicone fluid and titanium isopropoxide content...

145 To comply with the special request of protecting the formation and environment against damage on oil-gas field development offshore, a new drilling fluid system—methyl glucoside(MEG)was developed.

146 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%?

147 Jasmonic acid and its derivative methyl jasmonate, collectively called jasmonates, are phyto- regulators existing widely in plants and playing an important role in plant cells.

148 The study begins with the compare of shale inhibition abilities between methyl glucoside(MEG) and oil-based emulsion-drilling fluid and brine waters. Then, the environmental effect of MEG is analyzed.

149 Sulfurated seed oil and methyl seed oil have been synthesized with a method of elemental sulfur sulfuration.

150 Put into operation, the system is stable, safe and reliable, increased the yield and quality of ethyl methyl carbonate.