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Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一硫酸和丙酮反应,合成了新型高效的二甲二环烷。

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Any of the salts of permanganic acid,all of which are strong oxidizing agents.

所有高锰酸盐都是强。

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The formation and variation rule of disinfection byproduct in chloramination process were studied.

把作为一种预,研究了预工艺中消毒副物的生成及变规律。

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A divided flow cell is used for electrolysis of NaBr aqueous solution.The anolyte containing Br 2 and catholyte containing NaOH are produced simultaneously and in turn to epoxide HFP to HFPO.

在由离子膜分隔的电解槽中电解溴钠溶液,所生的含溴阳极液和碱性阴极液,分别是由全氟丙烯合成全氟环丙烷的环和皂。

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Abstract Chloroamine T oxidization resin, a new solid phase agent for iodination is prepared.The synthesis conditions are studied and the oxidation reduction properties of the resin are determined.

摘要 将 T的功能基团引入高分子载体上 ,合成了 T型树脂并测定了它的 还原特性。

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Chloroamine T oxidization resin, a new solid phase agent for iodination is prepared.The synthesis conditions are studied and the oxidation reduction properties of the resin are determined.

将T的功能基团引入高分子载体上,合成了T型树脂并测定了它的还原特性。

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In storage, the influence of antioxcidant to acid value of eucommia crude oil was faintish and the influence of freshness degree of seeds was notable.

贮藏过程中,杜仲原油的酸值受抗的影响较小,受杜仲种子新鲜程度的影响较大。

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Generally resistant to animal and vegetable fats, oils, greases, ozone, heat, and strong oxidizing chemicals. Chlorobutyl has lowest permeability of all the synthetic rubbers.

通常适用于动物脂肪或植物油、油、油脂、臭、热,以及强。丁基橡胶在所有合成橡胶中的渗透性是最低的。

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The selective oxidation of ethers by chromic reagent, peroxide, nitric acid, oxygen and ozonide, as well as the ethers anodic oxidation are particularly introduced.

主要介绍了铬(Ⅵ)类试,过物、硝酸、和臭等各类对醚选择性以及醚的阳极电研究状况。

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This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.

本文主要介绍了以30%浓度的双水作为硫脲、氨基硫脲来制备相应的脲和氨基脲类合物。

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PTFE fiber has good corrosion resistance, low friction factor, nonflame, strong acid and strong alkali resistance, high temperature and low temperature resistance.

PTFE纤维具有优良的耐腐蚀性,低摩擦因数,不燃,能耐强酸、强碱、强等强腐蚀性试或溶,耐高、低温性能优良。

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Thermite is aluminum powder and a metal oxide which produces an aluminothermic reaction known as a thermite reaction.

铝热是铝粉,一种金属,能生我们所谓的铝热反应。

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The current situation about high energy oxidizer of hydrazinium nitroformate(HNF) at abroad was introduced with 13 references.

介绍了近年来国外高能硝仿肼的研究情况。

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历年四级阅读真题精听

When we replace meals with a protein bar or drink, we also risk missing out on the rich sources of antioxidants, vitamins and many other benefits of real food.

当我们用蛋白棒或蛋白饮料代替正餐时,我们也有可能错过真正食中丰富的抗氧化、维生素和许多其他有益质。

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Scishow 精选系列

Oxidizers are compounds that steal electrons from other chemicals in a reaction and they are what make combustion possible.

氧化是一种化,在氧化反应中会从别的化学质中偷取电子,们也是燃烧的必要条件。

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TED演讲(视频版)双语精选

It's the number one source of antioxidants in the US diet.

是美国饮食中抗氧化的第一来源。

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健康小秘密

Step 3 Eat a little dark chocolate for its antioxidant qualities.

食用一点黑巧克力,补充抗氧化。

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VOA慢速英语_健康

These antioxidants are thought to prevent inflammation in the body.

些抗氧化被认为可以预防体内的炎症。

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科学洞察双语版

It can also soak up helpful things like minerals, vitamins, and antioxidants.

还可以吸附掉一些有益的质,比如说矿质、维生素和抗氧化。

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Kurzgesagt 科普动画(双语精选)

Indeed, several studies found that organic foods contain more antioxidants.

确实,几项研究发现,有机食品含有更多的抗氧化。

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杂志

To make any firework, you really need a fuel and an oxidizer.

要制作烟花的话,燃料和氧化是必不可少的。

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读者文摘选编

Tea is full of antioxidants, which boost your immune system.

茶富含抗氧化,可以增强你的免疫系统。

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Newsweek

Nuts in general are an excellent source of healthy fats, protein, antioxidants and vitamins.

坚果通常是健康脂肪、蛋白质、抗氧化和维生素的绝佳来源。

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科学60秒-科学美国人 2025年2月集

They're supposed to be filled with antioxidants that stop cell damage, for instance.

比如说,们富含抗氧化,可以防止细胞损伤。

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如果器官会说话

My boy, you gotta fill up yourself with antioxidants like your dad.

孩子,你必须像你爸爸一样补充抗氧化。

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中高级英语短文

Studies have shown that the antioxidants in coffee may have positive neurological effects.

研究表明,咖啡中的抗氧化可能具有积极的神经作用。

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科普小杂文

Also, remember to have lots of Vitamin C as it is a powerhouse of antioxidants and can combat free radicals.

此外,要记住摄入大量的维生素C,因为是抗氧化的强大力量,可以对抗自由基。

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VOA Special 2017年11月集

The National Cancer Institute in the United States says on its website that antioxidants may help reduce a person's risk of getting cancer.

美国国家癌症研究所在官网上指出,抗氧化能够有效降低人类患癌的风险。

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双语版 TED-Ed 演讲精选

Vitamin D gathers calcium and phosphorus so we can make bones, and vitamin E works as an antioxidant, getting rid of elements in the body that can damage cells.

维他命D富含用于骨质生成的钙与磷,而维他命E则如同抗氧化一样搞定体内损害细胞的成分。

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精选英语短文

Additionally, citrus peels are rich in vitamin C and various bioflavonoids, which have anti-inflammatory and immune-boosting properties. Citrus peels also possess antioxidants that help fight free radicals, reduce the risk of chronic diseases, and boost skin health.

此外,柑橘皮富含维生素C和各种生类黄酮,具有抗炎和增强免疫力的特性。柑橘皮还含有抗氧化,有助于对抗自由基,降低患慢性疾病的风险,并改善皮肤健康。

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跟马修学英语

Not everything that comes off a tree is healthy, because while fruit juice certainly packs a lot of vitamins, minerals, and antioxidants, it's also just a glass full of sugar.

什么,并不是树上的一切东西都健康,尽管果汁确实富含维生素、矿质和抗氧化,但也不过是一杯糖罢了。

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Reel知识卷轴

Testing the theory that antioxidants could protect against cancer, individuals with a high risk of lung cancer were given high doses of beta-carotene and retinol, two forms of vitamin A.

他们想测试抗氧化可以预防癌症一理论,让高肺癌风险的人摄入高量的β-胡萝卜素和视黄醇两种维生素 A。

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Osmosis-肌骨

These cells stop producing proteins like antioxidants, so providing them with oxygen again can actually lead to the formation of toxic reactive oxygen species that they can't get rid of.

些细胞不再成抗氧化等蛋白质,因此在重新获得氧气时,细胞内可能会形成有毒性且难以被去除的活性氧。

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