methyl的例句大全

Phenyl benzyl ketone oxime was prepared from phenylacetonitrile, methyl benzoate and hydroxylamine hydrochloride.

以苯乙腈、苯甲酸甲酯和盐酸羟胺为原料，制备了苯基苄基甲酮肟。

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The direct hydrogenation of benzoic acid or methyl benzoate to benzaldehyde was a more preferable method for the synthesis of benzaldehyde from the view point of green technology.

而利用羧酸（或酯）可以直接一步加氢合成对应的醛，从绿色工艺来说具有较大优势。

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A large number of metal oxides, including alkali earth oxides, transition metal oxides and rare earth oxides, had been suggested for using as catalysts for the selective hydrogenation of benzoic acid and methyl benzoate.

很多的科研工作者研究了一系列金属氧化物包括：碱性氧化物、过渡金属氧化物和稀土金属氧化物作为催化剂用于苯甲酸（或酯）加氢反应。

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Synthesis of 2-hydroxy-4-methyl benzoic acid

2-羟基-4-甲基苯甲酸的合成

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Methyl cis-cinnamate was synthesized from ethyl trans-cinnamate by bromination, dehydrobromination, esterification and catalytic hydrogenation.

反式肉桂酸乙酯经溴化 、 脱溴化氢 、 甲酯化和催化氢化合成了顺 式 肉桂酸甲醇.

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Liquid Phase Oxidation of o Xylene by Air to o Methyl Benzoic Acid

邻二甲苯空气液相氧化制取邻甲基苯甲酸

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The reaction was intermittent. The yield per pass of o methyl benzoic acid is up to 47% with a total yield of up to 62 36%.

试验为kg级工业模拟中试试验，反应为间歇式反应，原料邻二甲苯一次投料量为4.2kg，目的产物为邻甲基苯甲酸，单程收率可达47%，总收率可达62.36%。

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Synthesis and Thermo-Stability Study of Ladderlike Phenyl/ Methyl Silsesquioxane Resin

梯形苯基/甲基聚倍半硅氧烷树脂的合成及热稳定性研究

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A novel approach to analyze the content of boron trioxide in zinc borate was established using bromocresol green-methyl red mixture as indicator to determine the titration starting point.

建立了一种测定硼酸锌中三氧化二硼（B2O3）含量的新方法，即以溴甲酚绿甲基红混合指示剂来确定硼酸的滴定起点。

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Determination of Microamount of boron in u_3o_8 by ICP-MS Using Methyl borate as distillate

硼酸甲酯蒸馏分离ICP-MS法测量U3O8中的微量硼

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The simulation results suggested that the EVAP showed significant effects on the nucleation and growth of the paraffin crystal when the acetate concentration was around 30% and there existed one branched methyl group near the acetate group in each block.

在各种乙烯醋酸乙烯丙烯（EVAP）降凝剂中，当EVAP酯含量在30%左右，且在每个链段含有一个靠近酯基的甲基支链时容易在蜡晶的成核和生长过程中发挥作用。

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The stereocontrol synthesis of 4 β-methyl-5 α-cholestane ( 6) from cholesterol ( 1) insteps was reported.

本文报道以胆甾醇为原料经四步反应立体控制合成4β-甲基-5α-胆甾烷（6）的新路线。

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Methyl thymol blue ternary complex spectrophotometric determination of Microamount cadmium in air

甲基百里香酚蓝三元络合物光度法测定空气中的微量镉

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The methods of using adding medium and vacuum rectification to get rid of the impurity associated with methyl benzoate are introduced.

介绍用加介质减压精馏方法除掉与苯甲酸甲酯（BE）伴生的杂质。

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In this dissertation, several aryl-acylhydrazones were synthesized, by the reaction of benzoyl hydrazine, 2-hydroxy benzoyl hydrazine or 4-hydroxy benzoyl hydrazine with naringenin or 8-acetyl-7-hydroxy-4-methyl coumarin, separately.

本论文中，主要通过苯甲酰肼、邻羟基苯甲酰肼、对羟基苯甲酰肼与柚皮素或4-甲基-7-羟基-8-乙酰基香豆素反应，合成了一些芳酰腙类有机配体。

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Poly ( methyl methacrylate) branched chain in MG molecule structure was destroyed when thermal and oxygenous aging.

MG分子结构上的显著变化是聚甲基丙烯酸甲酯支链破坏，热稳定性取决于接枝物结构及其热性能。

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L-Methyl glyoxylate is an important chiral reagent.

二羟乙酸L-薄荷酯是一种重要的手性试剂.

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And explored were the optimal synthesis conditions for 4-( N-carbazole methyl) benzoic acid and carbazol-containing acylhydrazone Schiff bases.

探索了合成4-（N-咔唑甲基）苯甲酸和含咔唑基的酰腙类希夫碱的最佳反应条件。

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Synthesis and Property of Liquid Crystal Compounds: α-Methyl biphenyl esters

α-甲基联苯酯类液晶的合成与性质

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Determination of Trace Amounts of Boron in Superalloy by Inductively Coupled Plasma Emission Spectrometry Using Methyl Borate as Distillate

硼酸甲酯蒸馏分离ICP－AES法测定高温合金中微量硼

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