boron的意思和读音

boron

: [ˈbɔrɑn] : [ˈbɔːrɒn]

n.

boronn.

1.a chemical element. Boron is a solid substance used in making steel alloys and parts for nuclear reactors .

n.1.

n.1.a chemical element that combines with other elements. It is used in nuclear reactors, for making glass, and for making steel hard.

1. Bogey Boron Borrow ...

3. ( Chromium) ( Boron) ( Potassium) ...

7.(Nitrogen)(Boron)便绿

8. (Boron) : (0.40~3.0 )

:,,,,

1.Paradoxically, wurtzite boron nitride 's hardness appears to come from the flexibility of the bonds between the atoms that make it up.

2.ALUMINIUM OXIDE PRIMARILY USED FOR THE PRODUCTION OF ALUMINIUM. DETERMINATION OF BORON. CIRCUMIN SPECTROPHOTOMETRIC METHOD...

3.The invention discloses a boron-containing and nitrogen-containing compound for a lubricant additive and a preparation method thereof.

4.As a result of repairing boron Lek spotted Whose trees, do not comment directly felling, tree pull knob counter-thought-wing.

5.The main means to resolve boron deficiency is to increase the rate of boron fertilizer, whereas boron is a non-renewable mineral resource.

6.In view of the ultrafine nature of powdered boron, the method combined the gravimetric method and volumetric method together.

7.The coulometric method can only be used if the phosphorus or boron contents of these coatings are within certain limits.使

8.The invention relates to a neodymium iron boron permanent magnetic material and a preparation method thereof.

9.The main methods for manufacturing boron carbide coating were given, and the advantages and disadvantages of these methods were pointed out.

10.Previously, researchers developed tobacco plants able to tolerate low boron levels but this affected the plant's ability to process sugars.