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Only small amounts of wurtzite boron nitride and lonsdaleite exist naturally or have been made in the lab so until now no one had realised their superior strength.

天然存在或者实验室制造的纤锌矿型氮化硼和朗斯代尔石数量很少,直到现在,也没有一个人发现它们令人吃惊的硬度。

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An investigation is also made on determining DMDAAC qualitatively by bromophenol blue test and quantitatively by tetraphenyl boron sodium precipitation reac...

用溴酚DMDAAC行定性分析,用四苯硼酸钠及折光行定量分析的方法行了探

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By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled,and boron was finally determined by curcumin spectrophotometry after distillation.

所拟溶样条件下所得硼的分析结果是否为全硼问题行了一步探,结果证实,所拟溶样条件下硼的测定结果为全

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

在三氟化硼乙醚介质,电聚合芘首次制备出结晶型的聚芘微米片。

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The boron deficiency plant appears inter-venial chlorosis, thickening, crisping leaves and increased leaf weight ratio (LWR).

缺硼使叶重比(LWR)提高和叶片脉间失绿、变厚、变脆。

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科普小杂文

After that, for days, thousands of tons of clay, sand, boron, and dolomite, were dropped by helicopter into the burning reactor to quell the fire, but also to try and prevent the spread of radiation.

在那之后的几天里,成千上万吨的子,和白云石,被直升机抛进燃烧的反应堆中以扑灭大火,并试图阻止辐射的扩散。

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世界历史百科全书

Boron does not, however, introduce the quest for the Grail that would come later.

然而,鲍伦并没有介绍后来对圣杯的探索。

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博兹曼科——化

If we go to boron then, how are we going to write boron?

那么, 如果我们去硼, 我们将如何写硼?

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人(汇总)

Boron does, though, burn like billy-o, generating a bright, green flame and releasing about 40% more energy per kilogram than conventional aviation fuel.

不过确实可以快速燃烧,产生明亮的绿色火焰,每千克要比传统航空燃料多释放约40%的能量。

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人-科技

So far, the researchers involved have managed to produce one that is 40% boron and yet burns more or less completely.

到目前为止,参与研究的研究人成功制造出了一种含有40%硼且几乎可完全燃烧的燃料。

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Reel知识卷轴

The only way you can get boron down there, is by the foundering of the ocean crust.

钻石的唯一来源就是海洋地壳的沉没。

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人-科技

Boron additives in rocket fuels also failed. The combustion process involved proved unexpectedly complex, and the promised additional energy was not forthcoming.

火箭燃料中的添加剂也失败了,其中涉及的燃烧过程出乎意料地复杂,而且所承诺的额外能量并没有到来。

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人(汇总)

America's air force experimented in the 1950s with stuff nicknamed zip fuel, which was laced with compounds of boron called boranes.

美国空军在20世纪50年代试验了一种叫做拉链燃料(高型能的飞机燃料)的东西,这种燃料含有硼烷的化合物。

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人-科技

The navy's notice suggests, though, that boron is back.

然而,海军的公告表明又回来了。

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博兹曼科——化

Well, when we go to boron what's happening is it's actually going into a new orbital.

嗯,当我们讨论硼时,它实际上进入了一个新的轨道。

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人(汇总)

The project's objective is to " determine a form of boron or a boron-based chemical pathway that leads to implementation of boron in energetic compounds, especially fuels (solid and liquid)" .

该项目的目标是“确定一种硼的形式或一种基于硼的化途径,使硼在高能化合物,特别是燃料(固体和液体)中得以实现”。

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人(汇总)

Compounds of boron feature in washing powders and cleaning products (" borax" ), antiseptics and water softeners, and also as additives in fibreglass, but such roles are humdrum.

化合物用在洗衣粉和清洁产品(“硼砂”)、防腐剂和水软化剂中,也可作为添加剂的玻璃纤维,但这些作用是单调的。

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VOA Special 2018年8月合集

Scientists already knew these diamonds received their blue color from the element boron.

家们已知道这些钻石的蓝色来自元素。

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TED-Ed(视频版)

An implanter then accelerates boron or phosphorus ions and slams them into the patterned openings.

然后,离子注入机加速或磷离子,并将它们打入图案化的开口中。

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Crash Course Pods: The Universe

And so you get like beryllium and boron and a little bit of lithium.

于是你就得到了像铍和以及少量的锂这样的元素。

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GQ — 明星们的代表角色

Super hardened boron, sharpened with a CO2 laser.

- 超级化的硼,用二氧化碳激光锐化。

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Everything Everywhere Daily

What differentiates sapphire from ruby is that instead of chromium, a sapphire will have titanium and trace amounts of other elements such as iron, cobalt, lead, vanadium, magnesium, boron, and silicon.

蓝宝石与红宝石的区别在于,蓝宝石含有钛元素,而非铬元素,并伴有微量的其他元素,如铁、钴、铅、钒、镁、硼及硅。

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趣味化实验:Periodic Videos

Boron is an interesting element. It is one of the few that I have actually made myself when I was at school.

是一种有趣的元素。这是我上时亲手制备的少数几种元素之一。

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Boost Your Biology with Lucas Aoun

I've sort of looked at some other strategic ways to like, how do we lower SHBG without boron, without tonkara-li, without magnesium?

我差不多研究了一些其他的战略方法,比如如何在没有、没有托卡拉利、没有镁的情况下降低性激素结合球蛋白。

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科技智慧坊

However, ion implanters only add around one atom of phosphor or boron for every 10,000 atoms of silicon.

然而,离子注入机每次只能为每10000个硅原子添加大约一个磷或原子。

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