苯甲酸

方法以中间体4-氨基-5-氯-2-乙氧基苯甲酸和中间体B、C为原料合成目标产物。

METHODS The target compound was synthesized from 4-amino-5-chloro-2-ethoxy benzoic acid and intermediate B and C.

4-（N，N-二甲氨基）苯甲酸的合成研究

Study on the Synthesis of 4 - ( N , N - Dimethylamino ) benzoic Acid

头孢泊肟酯口服干混悬剂中苯甲酸钠的HPLC测定

Determination of Sodium Benzoate in Cefpodoxime Proxetil for Oral Suspension by HPLC

高效液相色谱同时测定维生素C、苯甲酸、山梨酸、糖精钠

Determination of Vitamin C , Benzoic Acid , Sorbic Acid , Saccharin Sodium Salt in Food with High Performance Liquid Chromatograph

苯甲酸钠对PET结晶成核的影响

Effect of sodium benzoate upon the nucleation of poly ( ethylene terephthalate ) crystallization

香草醛邻氨基苯甲酸席夫碱Cu（Ⅱ）配合物的合成、表征及抗菌活性研究

Synthesis , characterization and antibacterial activity of copper (ⅱ ) complex from vanillin and anthranilic acid

通过对马来酰亚胺基苯甲酸及其酰氯化路线合成了两种含芳酰胺键的液晶双马来酰亚胺Ⅰb和Ⅱb；

Two kinds of liquid crystalline bismaleimides (ⅰ b and ⅱ b ) containing aromatic amide bonds in their backbone were synthesized .

HPLC测定食品中苯甲酸、山梨酸、糖精钠的样品前处理

Pretreatment of food sample for determination of benzoic acid , sorbic acid and saccharin sodium by HPLC

饮料及果品中糖精、苯甲酸、山梨酸和咖啡因的反相HPLC同时快速测定

Simultaneous Determination of Saccharin , Benzoic acid , Sorbic acid and Caffeine in Foods and Beverages by RP-HPLC

对羟基苯甲酸对HDPE结晶行为及力学性能的影响

Effect of p-Hydroxybenzoic Acid on Crystallization Behavior and Mechanical Properties of HDPE

苯甲酸钠为内标。试样用磷酸分解，Tm被选作内标元素。

The sample is decomposed with H_3PO_4 , Tm is used as an internal standard element .

考察了样品预处理、背景缓冲溶液pH、十二烷基硫酸钠（SDS）浓度、进样时间对苯甲酸测定过程中的富集效果的影响。

The effects of sample pretreatment , pH in background solution , SDS concentration and injection time were investigated .

文中研究了用气相色谱－质谱法（GC－MS）对麝香样品进行测定，检出苯甲酸和液体石蜡两种新的掺伪物。

Two species of new adulterants , benzoic acid and paraffin oil , have been detected by gas chromatography-mass spectrometry .

抗氧化剂异VC钠有一定的阻止硝酸盐还原成亚硝酸盐的作用，而苯甲酸钠无此作用。

VC - Na antioxidant could prevent the reduction from nitrate to nitrite in some exten , but sodium benzoate could not .

钾对苯甲酸甲酯加氢催化剂MnOx/γ-Al2O3的修饰作用

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

当H2O2与苯甲酸的摩尔比为30∶1时，·OH可与苯甲酸完全反应；

· OH may react on benzoic acid completely when molar ratio of H 2O 2 and benzoic acid is 30 ∶ 1 ;

微波辐射SnCl4·5H2O催化合成苯甲酸苯乙酯

Synthesis of the Phenylethyl Benzoate by SnCl_4 · 5H_2O Under Microwave Irradiation

苯甲酸衍生物的Tb（Ⅲ）配合物中配体电子结构对Tb~3+的f→f超灵敏跃迁的影响

Effects of Ligands ' Electronic Structures on the Hypersensitives f → f Transitions of a Series of Complexes of Tb (ⅲ) With Substituted Benzoic Acid

合成了两种新的三苯基锡与邻氨基苯甲酸型Schif碱的配合物，经元素分析、UV、IR、1HNMR测定，对其结构进行了表征。

Two novel triphenyltin complexes have been synthesized . The products were characterized by elementary analysis , UV , IR and 1H NMR .

有机酸在γ-Al2O3表面自发单层分散及苯甲酸-γ-Al2O3表面结构的研究

Spontaneous Monolayer Dispersion of Organic Acids on the Surface of γ - Al_2O_3 and Studies on Surface Structure of Benzoic - γ - Al_2O_3 System

Yb（NTf2）3催化苯甲酸酯化反应

Esterifications of Benzoic Acid with Alcohols over Yb ( NTf_2 ) _3

以黄豆、大麦、酵母粉为主成分，配以维生素C、胆固醇、氯化胆碱、琼脂、苯甲酸钠和乙酸配制成的人工饲料，可以满足甜菜夜蛾正常生长发育需要。

An artificial diet consisted of soybean flour , barley , brewers yeast , vitamin C , cholesterol , choline chloride , agar , sodium benzoate and acetic acid , can support the development of Spodoptera exigua .

对不同取代基的苯甲酸钠盐，其相应的酸解离常数和溶度参数与PET的结晶速率有一定的内在联系。

In the case of the sodium benzoates with different substituted groups , the crystallization rate of PET is related to the dissociation constant and solubility parameter of the substituted benzoates .

苯甲酸的平均RSD为0.41%，平均加标回收率是100.7%，相对误差值是-0.37%。

The relative standard deviation of benzoic acid was 0.41 % , average recovery was 100.7 % , average relative error was-0.37 % .

研究了结晶紫（CV）和对氨基苯甲酸（PABA）在银镜及银胶表面吸附。

The adsorption of CV and PABA molecules on the surfaces of silver mirrors and silver colloids is studied .

荧光激发光谱、荧光发射光谱的研究表明，在EA基质中铽-对氨基苯甲酸配合物已经形成，并且表现出强的铽离子的特征荧光，即发出强的绿色荧光。

The results of fluoresce excitation and emission spectra indicate that the system can emit strong green fluorescence which arrange to the characteristic emission of terbium ion .

术后第9周开始治疗：雌激素组采用苯甲酸雌二醇肌肉注射，剂量为0.5mg／kg体重，每2周注射1次；

At 8 weeks after the operation , E group rats were given estrogen 0 . 5 mg / kg body weight , once every 2 weeks .

在最佳实验条件下，酯收率可达87.12%，表明H4PV（12）Mo2O（42）是一种合成苯甲酸正丁酯的优良催化剂。

Under theses conditions , yield of n - butyl benzoate could to reach 87.12 % , suggesting that H_7PV_ ( 12 ) Mo_O_ ( 42 ) is a good catalyst for the synthesis of n - butyl benzoate .

另12只暴露双侧卵巢而不予以切除，设为对照组；雌激素治疗组12只切除双侧卵巢后即刻及后每隔2周皮下注射苯甲酸雌二醇125μg。

Twelve SD rats were treated with their bilateral ovary exposed but not resected , as control group , another 12 SD were carried out bilateral ovariectomy and received cutaneous injection of 125 μ g benovocylin every two weeks , as estrogen treated group .

分散后，苯甲酸分子间的氢键缔合结构垮塌；苯甲酸的羧基与γ-Al2O3表面羟基发生相互作用并缩水形成类似羧酸盐的结构；

After dispersion , the H - bond association structure among benzoic acid molecules collapses and the carboxyl groups react with the surface hydroxyl groups of γ - Al2O3 to form a salt - like structure on the surface .