英语释义

• a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder

片语

boron nitride[无化] 氮化硼；一氮化硼

boron diffusion硼扩散

boron steel[材] 硼钢

boron trifluoride三氟化硼

cubic boron nitride立方氮化硼

boron fertilizer硼肥料

boron carbide[无化] 碳化硼

boron fiber[材]

boron hydride[无化] 氢化硼；[无化] 硼烷

boron trichloride[无化] 三氯化硼

boron fibre硼纤维

Boron phosphate磷酸硼

boron oxide[无化] 氧化硼；二氧化硼

boron filament硼纤维

英汉例句

• using fire trucks to pump a mixture of sea water and boron onto the reactors is not in any of the manuals.

  他说:"用消除车来将水和硼的混合物打入核反应堆不在任何一本手册中。

• in 1977, dr. negishi used zinc compounds to ease the mingling of carbon atoms on palladium, and two years later, dr. suzuki found that boron compounds worked even better.

  1977年根岸博士使用锌的化合物以减轻钯碳原子间的粘连。两年之后，铃木教授发现硼化合物的效果更好。

• dr suzuki, of the university of sapporo, applied the finishing touches by adding boron compounds to the mix.

  日本札幌北海道大学的铃木章博士后来又把把硼化合物加到混合物里，以此结束了这项课题。

• the control rods are made of boron which absorbs neutrons.

  控制棒是由能够吸收中子的硼元素制成。

• boron is an element with the ability to absorb neutrons, the sub-atomic particles that occur in the nucleus of all atoms.

  硼是一种可以吸收中子的元素，中子是一种存在于所有的原子核中的亚原子粒子。

• so in the case of boron here, what we「re starting with is the ion, and now we」re going to pull one more electron out.

  那么在硼的情况下，我们应该从这个离子开始，现在我们要再拿走一个电子。

• so, we have beryllium in the first case here, it has four electrons, that「s how we know it」s beryllium, boron has five electrons.

  那么我们将铍作为第一个例子，它有四个电子，这也是我们为什么能知道它是铍的原因，硼有五个电子。

• and we have, if you will, a low pressure injection system that will also provide water into the core for low pressure. and we have boron that's capable of being inserted as well, as needed.

  如果你们可以，一个低压力的加入系统,会给低压力的核心提供水,我们还有硼，它也是可以,被加入的，也是需要的。

• now in a pwr we have essentially boron to control reactivity.

  在一个压水式反应堆里,我们用硼来控制反应率。

• 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。

• so again, we picture the same thing as we pictured with the boron there.

  同样的，这里的图像,和硼的图像一样。

• however, there is no way at the present to compare them to the artificial ultra-hard diamonds known as lonsdaleite and boron nitride, ferroir said.

  不过他还说，目前还没有方法能让它与蓝丝黛儿石和氮化硼那种人造的超强硬度鉆石做比较。

• as the reactor continued to burn, military helicopters reportedly flewover the site and dropped wet sand, lead and boron onto the burning reactor.

  因为反应堆的大火仍在燃烧，有消息称，苏联动用了军用直升机，在反应堆上空空投湿砂、铅和硼等灭火物。

• the scientists started with plain, white t-shirts that were cut into thin strips and dipped into a boron solution.

  科学家先把普通的白t恤衫剪成细条浸泡在硼溶液里，然后将其取出放入烤箱内加热。

• specifically, they have made boron compounds behave like phosphorus catalysts, by modifying the number and location of the electrons in boron without altering the atom’s nucleus.

  準确地说，他们并没有改变硼的原子核，而是通过略微改变硼的电子数量和位置制造出了可发挥像磷基催化剂般作用的硼基化合物。

• the document also recommends that engineers continue adding boron to cooling water to help prevent the cores from restarting the nuclear reaction, a process known as criticality.

  这份调查报告同时也建议说，核电站工作人员应当在冷却水中加入硼已防止堆芯重新进入核反应临界状态。

• the simulation showed that wurtzide boron nitride would withstand 18% more stress than diamond, and lonsdaleite 58% more.

  此次模拟实验显示，纤锌矿型氮化硼的抗压能力比鉆石高18%，朗斯代尔石则高出58%。