Effect of Potassium on the MnO_x/ γ-Al_2O_3 Catalysts for Hydrogenation of Methyl Benzoate

1、

Study on Catalyst for Hydrogenation of Methyl Benzoate to Benzaldehyde at Low H_2/ Ester Molar Ratio

低氢酯比下苯甲酸甲酯加氢催化剂的研究

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2、

Improvement of the synthetic process of medical intermediate of 3,4-dihydroxy-5-methoxy methyl benzoate

医药中间体3,4-二羟基-5-甲氧基苯甲酸甲酯的合成工艺改进

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3、

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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4、

Study on Sodium Benzoate on Fresh-keeping Effect of Cut Flower

苯甲酸钠对切花瓶插效果的影响研究

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5、

Development of sodium benzoate detection in sauce by GC-MS as a teaching experiment

将酱油中苯甲酸钠含量的测定设计为GC-MS联用教学实验的探讨

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6、

The quantity determination method of sodium benzoate by fluorescence spectrometry and standard additional method

荧光光谱标准加入法测定苯甲酸钠的含量

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7、

The new method for determination of sodium benzoate

测定苯甲酸钠含量的新方法

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8、

Twenty seven disubstituted phenyl benzoate compounds were designed and synthesized, and their powder second harmonic generation ( SHG) were measured by the Kurty-method.

本文设计，合成了二十七种二取代苯甲酸芳酯类化合物，测定了它们的粉末倍频效应，初步讨论了该类化合物的结构及其非线性光学性质的关系。

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9、

Powder Second Harmonic Generation of Disubstituted Phenyl Benzoate Derivatives

取代苯甲酸芳酯类化合物的粉末倍频性能的研究

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10、

HPLC Determination of Estradiol Benzoate Injection

苯甲酸雌二醇注射液的RP-HPLC测定

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11、

Effect of estradiol benzoate on the heat shock protein 70, 90 expressions in endometrial glandular epithelial cell

苯甲酸雌二醇对离体子宫内膜腺上皮细胞中热休克蛋白70及90表达的影响

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12、

High-dose estradiol benzoate for treating late postpartum hemorrage after caesarean section

大剂量苯甲酸雌二醇治疗剖宫产晚期产后出血

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13、

Study on the Stability of Estradiol Benzoate and Its Pharmacokinetics in Cows and Residue in Milk

苯甲酸雌二醇注射液稳定性试验及其在奶牛体内药动学和牛奶中残留试验

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14、

Objective To explore the effect of estradiol benzoate on traumatic brain injury ( TBI).

目的探讨雌激素在颅脑创伤中的作用。

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15、

Study on Fluorescent Property of the Inclusion Complex of β-cyclodextrin and Estradiol Benzoate

环状低聚糖β-环糊精与苯甲酸雌二醇包络配合物荧光性能的研究

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16、

Influence of estradiol benzoate on the electric activity of primary cultured rat heart cells

苯甲酸雌二醇对原代培养鼠心肌细胞电活动的影响

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17、

Compared with the traditional process, yield of diosgenin was raised by 25.1 percent, the consumption of hydrochloric acid reduced by 90%, and the consumption of petroleum benzine decreased by 60%, and the production was much purer.

该工艺同传统提取工艺相比：皂素收率的提高率为25.1%；产品纯度高；盐酸用量降低90%以上，石油醚用量降低了60%以上。

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18、

Method s: Soxhlet extractor was previously applied to grape seeds for the remover of oils with petroleum benzine.

方法：对新疆葡萄酒厂废渣中葡萄籽用石油醚脱脂，脱脂后的葡萄籽用乙醇提取。

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19、

In the meanwhile, the effects of varied acids for protecting third carbonyl group were investigated. Through the trial and error, the mixture of anhydrous alcohol/ petroleum benzine is the good solvent of target molecule recrystal.

考察了酸性对保护3位羰基的影响，确定了无水乙醇/石油醚是目标分子重结晶的最佳溶剂体系。

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20、

, and the pyrolytic products of WPS were benzene, methyl benzene, styrene and ethyl benzene which were identified by GC. Methylbenzene was used as the internal stand.

通过气相色谱分析可知，裂解产物为苯、甲苯、苯乙烯和乙苯。

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