A method of fourth derivative UV spectrophotometric determination of and benzoate in soft beverage was studied.

1、

HPLC method for the determination of rizatriptan benzoate and its related substances was established.

建立了HPLC法测定苯甲酸利扎曲普坦含量及有关物质.

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2、

The antibacterial activity of sesamin was remarkable compared sodium benzoate at the same concentration.

芝麻素的抗菌作用优于同浓度的苯甲酸钠.

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3、

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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4、

The mechanism of thermal decomposition for calcium benzoate was studied by using TG, DTA, and IR.

用DTA和TG研究了它在氮气气氛中的热分解过程, 并用红外光谱表徵了热分解产物.

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5、

However, it was less stable to negative ions, reluctant, vitamin C, sodium benzoate, potassium sorbate, etc.

但在含氧酸根阴离子、还原剂、维生素C 、苯甲酸钠、山梨酸钾等添加剂中稳定性较差.

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6、

The principle and condition of synthesis Isopropyl benzoate with catalyst of ferric chloride was researched.

探讨了氯化铁催化合成苯甲酸异丙酯的反应条件及机理.

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7、

Synthesis ofp-nitro-ethyl benzoate with benzene sulfonic acid as catalyst is reported.

以苯磺酸为催化剂,实现了对硝基苯甲酸与乙醇反应合成对硝基苯甲酸乙酯.

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8、

A method was developed to determine residue of emamectin benzoate in vegetables.

建立了一种柱前衍生–高效液相色谱测定蔬菜中甲氨基阿维菌素残留量的方法.

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9、

Objective : To study the psychological effect of long-term caffeine sodium benzoate use.

目的: 探讨长期烫吸安钠咖对心理状态的影响.

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10、

The products were analyzed simultaneously using ethyl benzoate ( EB ) as internal standard.

以苯甲酸乙酯为内标物,一次性同时分析了塔釜产物中各组分含量.

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11、

The crude, wet benzoate ( 118 grams ) was disslolved with reflux in 1,400 ml methanol.

将粗制、湿的苯甲酸酯 ( 118克 ) 回流着溶于140毫升甲醇中.

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12、

The crude, wet benzoate ( 118 grams ) was dissolved with reflux in 1 , 400 ml methanol.

将粗制、湿的苯甲酸酯 ( 118克 ) 回流着溶于1400毫升甲醇中.

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13、

Methods: Benzocaine was synthesized from p-nitrobenzoic acid via two steps through esterifying and reduction.

方法: 以对硝基苯甲酸为起始原料,经酯化,还原两步合成苯佐卡因.

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14、

OBJECTIVE : To introduce the aspect of clinical evaluation and progress in non-benzodiazepine sedative hypnotic drugs.

目的: 介绍非苯二氮类镇静催眠药的研究进展与临床评价.

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15、

Results: The drug cost was increasing year by year, while the percentage of benzodiazepine ( BZ ) hypnotics DDDs was decreasing.

结果: 镇静催眠药的年度金额逐年增长,苯二氮卓类药物仍占主要市场,年度药物DDDs总数的比例有下降趋势.

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16、

Experimental results show that the apparent adsorption rate constant decreases with increasing substituted benzoic acids concentration.

实验结果表明表观吸附速率随取代苯甲酸浓度增大而降低.

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17、

Compared with benzoic acid and sorbic acid, Nipagin has a good market and development prospects.

通过与苯甲酸和山梨酸比较, 说明尼泊金酯具有良好的市场和发展前景.

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18、

Compound benzoic acid ointment is used in the treatment of fungal infections of the skin.

复合苯甲酸酸软膏被使用在皮肤的真菌感染的治疗.

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19、

Behavior of PSS aqueous solution was studied and its solubilization effect for benzoic acid was determined.

研究了PSS的溶液性质,测定了PSS对苯甲酸的增溶性.

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20、

The processes for manufacturing benzoic acid derivatives by exploitation of benzoic acid plants were introduced.

介绍了利用工业苯甲酸的生产装置开发、生产苯甲酸同系物的方法.

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