boron

音標發(fā)音

There is still great interest in boron as an essential plant nutrient.
迄今硼作為植物的必要營養(yǎng)元素仍極其重要.
Borax is the compound commonly applied to the soil to correct boron deficiency.
硼砂是矯正土壤缺硼的常用硼化合物.
Calmon has quoted ion exchange costs of $ 0.12 - 0 . 30 / 1000 gal for boron treatment.
卡爾蒙提出的離子交換樹脂處理硼的費用為0.12 ― 0.30美元/千加侖.
There is still great interest in boron as an essential plant nutrient.
迄今硼作為植物的必要營養(yǎng)元素仍極其重要.
Borax is the compound commonly applied to the soil to correct boron deficiency.
硼砂是矯正土壤缺硼的常用硼化合物.

a hard, yellow-brown chemical element used in nuclear reactors to absorb neutrons and in various compounds that are important in manufacturing

a very hard almost colourless crystalline metalloid element that in impure form exists as a brown amorphous powder. It occurs principally in borax and is used in hardening steel. The naturally occurring isotope boron-10 is used in nuclear control rods and neutron detection instruments. Symbol: B atomic no: 5 atomic wt: 10.81 valency: 3 relative density: 2.34 (crystalline), 2.37 (amorphous) melting pt: 2092C boiling pt: 4002C

硼
In different fields,calcium borate has more excellent performances than either boric acid or boron ore has.
在眾多領域硼酸鈣比硼酸、硼礦等具有更優(yōu)異的性能。
農(nóng)業(yè)科學
硼
Thus inhibited growth of boron deficient plants is not due to shortage of carbohydrate.
缺硼植株生長的抑制原因不是碳水化合物的缺乏。
交通運輸工程
硼原子反應堆控制棒