Phenylbenzoate is synthesized with benzoic acid and phenol under 4 dimethylpyridine ( DMAP) and dicyclohexylcarbodiimide ( DCC) at room temperature. The yield is 89%

1、

4-dimethylamino-pyridine, a kind of high acylating catalyst, is synthesized in two steps with pyri-dine as raw material, and ethyl acetate as nontoxic solvent.

以吡啶为原料，乙酸乙酯做溶剂，两步法合成高效酰化催化剂4-二甲氨基吡啶。

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2、

shanghai's chongming island: steppingstone | the economist

《经济学人》上海崇明岛的“生态”未来

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3、

it's a steppingstone every year.

每年都在前进一个台阶。

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4、

but you canlook at this issue this way: a dead-end job is there to provide a steppingstone for upward-bound employees.

但你可以这样来看这个问题：这种死工作是为那种有上进心员工预备的一块跳板。

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5、

many people use education as a steppingstone to a better life.

许多人将教育作为赢得更好的生活的手段。

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i am beginning to comprehend this important factor for i am a dedicated teacher who is using teaching as a steppingstone to something else.

我正在开始理解这个重要的因素，因为我是一个投入的教师，正在将教学作为通向另一种东西的跳板。

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7、

Study on the efficacy of beta radiation in sterilization of medical rubber glove

电子束对医用乳胶手套灭菌效果的研究

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8、

This research made a study on preparation and mechanism of lubricant coating for checking gloves.

本论文就乳胶手套穿戴难的问题进行研究，制备出乳胶检查手套润滑涂层，并对润滑涂层与手套的结合机理进行研究。

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9、

Poly ( Sodium Carbamoyl Sulfonate) Finishing Solution for Latex Gloves

乳胶手套用聚氨甲酰基磺酸钠表面处理液

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10、

Wear rubber or latex gloves when using.

施工时请使用橡胶或乳胶手套。

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11、

Latex industrial gloves, apply only to weak acid concentration is not high sulfuric acid and various salts, have no contact with strong oxidizing acids ( nitric acid, etc.).

乳胶工业手套只适用于弱酸，浓度不高的硫酸和各种盐类，不得接触强氧化酸（硝酸等）。

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12、

Technique and equipment for latex gloves

乳胶手套生产技术及设备

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13、

This paper describes market demand for radiation sterilization of medical products such as medical latex gloves, disposable medical devices, packing material for medicine, etc.

叙述了医用乳胶手套、一次性使用医疗器械、卫生材料及药品包装材料等对辐射灭菌的需求，提出了我国医疗用品辐射灭菌的发展对策：60Coγ辐射装置实现规模经济、集约化和国际化；

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14、

Rubber, nitrile or latex gloves

塑料/橡胶/乳胶手套

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15、

The lubricant coating was used in thin checking gloves.

将润滑涂层应用到薄型检查手套上，对传统乳胶手套的浸渍生产工序进行改进。

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16、

Validation for Radiation Sterilization of Surgical Latex Glove

医用乳胶手套辐射灭菌剂量的有效性确认

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17、

Analysis of the Water-soluble Proteins in Medical Latex Gloves

医用乳胶手套中水溶性蛋白质的含量分析

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18、

title: how to apply the idea of picasso's stereograph school in chinese paper-cut animation

如何将毕加索立体画派的概念引入中国的剪纸动画

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19、

animate the character designed according to the idea of picasso's stereograph school and the form of chinese paper-cut animation.

以立体画派的概念和中国剪纸动画的形式设计角色，和对角色进行动画。

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20、

the antioxidant effects of allium cepa, zingiber officinale, allium sativum and allium fistulosum at normal temperature and their juice at 100 ℃ were studied by dpph method the results indicate that all of the treated vegetable crops have antioxidant activities;

利用DPPH法对洋葱、姜、蒜和葱4种辛辣蔬菜常温下和经100℃处理的汁液进行抗氧化作用的研究，结果表明，它们都具有抗氧活性。

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