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It has converted yellowcake into uranium hexafluoride gas.

它已经把“黄饼”转为六铀气体。

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It reacts violently with oxygen difluoride and barium peroxide.

碳同钡会发生剧烈反应。

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Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.

以对氯硝基苯和活性钾等为原料,经二步法合成了对氟苯胺。

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TheyThe use a fluorid of fluoride to protect teeth is common in many parts of the world.

物保护牙齿被世界上很多国家所使用。

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PFOA and other related long-chain fluorochemicals stick to blood proteins and masquerade as digestive acids.

PFOA和其他相关的长链含合物会附著在血液里的蛋白质,假装成消酸分子。

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Crystalline polypyrene microsheets were electrosynthesized in the medium of boron trifluoride diethyl etherate for the first time.

在三硼乙醚介质,电聚合首次制备出结晶型的聚微米片。

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T calculated from the characteristic temperatures shows that the thermal stability of fluorophosphate glass is better than fluoride glass.

数据显示氟磷酸盐玻璃的热稳定性比物好。

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Reaction of ferrocenylphenylcarbinol with ethereal solution of boron trifluoride in dichloride methane formed the relevant ferrocenylphenylmethyl carbocation.

二茂铁基苯基甲醇与三硼-乙醚溶液在二氯甲烷中作用,形成二茂铁苯基甲基碳正离子。

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Benzaldehyde and acetone used as materials,the benzylidene acetone is synthesized in the presence of potassium fluoride on alumina.

以苯甲醛和丙酮为原料,铝作催剂合成了苄叉丙酮。

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Ammonium bifluoride is an inorganic fluoride salt, whose consumption and output exceed tmi thousand of tons in China.

氢铵是一种和用都较大的无机氟盐,国内在数万吨以上。

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The effects of polyisobutene, LaF3, MCA, dialkyldithioaminoformaite on properties of lithium-calcium base grease have been discussed in this paper.

考察了聚异丁烯、镧、三聚氰胺氰尿酸复合物(MCA)、硫代氨基甲酸盐对锂-钙基脂性能的影响。

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The key technology and technics,which use Simons electrolyze trough with a falcial anode to synthesize lithium fluoroalkylphosphates,are discussed in this paper.

本文探讨了采用以镍板为阳极的西蒙斯电解槽电解制备氟烷基膦酸锂的有关工艺和关键技术。

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In the atomic energy field and nuclear weapons production,it act as the raw material of uranic fluoride ,fuels and additives of rockets.

在原子能工业和核武器生中,氢是制造六氟铀的原料,也是生火箭燃料和添加剂的原料。

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Sevoflurane is synthesized from aceton by vapor phase catalytic fluorination, vapor phase catalytic hydrogenation,chloridization and fluoromethylation, which gives a new synthetic method.

以丙酮为原料,经氯、气相、气相氢及氟甲基等一系列改进的方法合成了七氟醚,提供了一条新的合成路线。

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The carbon-fluorine single bond is among the strongest known and results in PFA being virtually chemically insert and nonwettable by fluids such as water.

碳单键间的结合力很强使得PFA(可溶性聚四氟乙烯)塑料不会被流体如水所介入和湿润。

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Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .

研究了脂肪油的衍生、三硼、硫酸3种不同方法对脂肪油的皂、甲酯效果,并用GC/MS法对柞蚕中脂肪酸的成分进行了鉴定和分析。

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The experiments suggest that the superfluorescence of fluoride glass fibr is a kind of low coherence and high performances light source with bright application prospect.

实验表明利用物玻璃光纤有望获得性能优异的有应用前景的低相干度集成光源。

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Pyridine can react with halogens,nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper.

吡啶可以和卤素、硝基四硼盐、三硫、硼烷及三铬反应,形成一些有用的有机试剂。

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和Ariannita学美式英语(双语精选)

So there are some restrictions for fluoride.

氟化处理有一些限制。

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Scishow 精选系列

What they'd concocted was chlorine trifluoride, the most vigorous fluorinating agent known to humanity.

他们制造出的这种物质是三氟化氯,人类所知的最剧烈的氟化剂。

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Vox 观点

And for every liter of it, there is 0.8mg of fluoride in it.

每升中含有 0.8 毫克的氟化物。

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Vox 观点

Fluoride is essential for our oral health.

氟化物对我们的口腔健康至关重要。

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Crash Course 世界神话学篇

A reservoir with more dreams...and less fluoride.

一个拥有更多梦想......更少氟化物的

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拿大剧拯救希望第一季

I need a flexible bronchoscope and an O.P.A.

给我拿可曲式气管镜还有氟化乙醛。

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Scishow 精选系列

Fluorinating agents rip other molecules apart to replace their hydrogen atoms with fluorine.

氟化剂会打破分子结构,然后用氟代原来的氢原子。

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6 Minute English 六分钟英语

You shouldn't believe everything you hear, Rob. Fluoride protects our teeth against decay.

你不应该听到什么都相信,罗伯。氟化物能够保护我们的牙齿不被腐蚀。

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CNN 10 学生英语 20194月合集

Fluoride and teeth, compression and engines, X-rays and bone health or telegraph and wiring.

氟化物和牙齿,压缩和发动机,x 光和骨骼健康或电报和布线。

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Vox 观点

Putting fluoride in the water has long fueled conspiracy theories.

中添氟化物长期以来引发了许多阴谋论。

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时差N小时

Dentists can help by giving you a fluoride treatment, but you have to brush and floss regularly.

医生还可以为你做氟化物治疗(在蛀牙部位涂上高浓度的氟化物,令初期蛀坏的部分还原),但是,你必须定期洗牙,还要经常使用牙线清洁牙齿。

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TED-Ed(视频版)

That strengthens teeth and encourages the growth of enamel crystals that build up a tooth's defenses against acid.

也添了微量的氟化物可以强化牙齿、促进珐琅质的生长。

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科学60秒 听力 20135月合集

They found that three different strains of cavity-causing bugs cling less tightly to enamel that's been rinsed with fluoride.

他们发现引起蛀牙的三种不同的菌株很少粘附于有氟化固的牙釉质表面。

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Fluoride protects us from cavities by remineralizing enamel on our teeth.

氟化物通过再矿化牙釉质来保护我们免受蛀牙的侵害。

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科学60秒 听力 20148月合集

NASA's James Webb Space Telescope, due to launch in 2018, should be powerful enough to detect chlorofluorocarbons, CFCs.

将于2018发射的美国宇航局的詹姆斯韦伯太空望远镜应该强大到足以检测氯氟化碳, 氯氟烃。

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国土安全 第5季

Forget about the police. Get rid of the DF.

别管什么警察了 毁掉氟化物。

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Did You Know? – Verge Science

Making aluminum also releases super potent greenhouse gases, called perfluorocarbons.

制造铝还会释放超强温室气体,称为全氟化碳。

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日常生活医学科普

Together with Flouride from the toothpaste, water, and other sources, the saliva remineralises the damaged enamel after each acid attack.

与牙膏、和其他来源的氟化物一起,唾液在每次酸攻击后重新使受损的牙釉质矿化。

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Vox 观点

And one thing he believes is that we should advise all US water systems to remove fluoride from public water.

而他相信的一件事是,我们应该建议所有美国系统从公共用中去除氟化物。

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Vox 观点

Municipalities set their own fluoride doses, and most said it around this amount.

各市政当局自行设定氟化物剂量,大多数设定在这个范围内。

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