单词boron
n.: 硼
网络: 硼粉；含硼；硼镇
硼:
a chemical element. Boron is a solid substance used in making steel alloys and parts for nuclear reactors .
【化学】硼
Paradoxically, wurtzite boron nitride "s hardness appears to come from the flexibility of the bonds between the atoms that make it up.
令人意想不到的是，纤锌矿型氮化硼的惊人硬度居然源自原子间富于弹性的键。
ALUMINIUM OXIDE PRIMARILY USED FOR THE PRODUCTION OF ALUMINIUM. DETERMINATION OF BORON. CIRCUMIN SPECTROPHOTOMETRIC METHOD.
主要用于铝生产的氧化铝.硼的测定.姜黄分光光度法
The invention discloses a boron-containing and nitrogen-containing compound for a lubricant additive and a preparation method thereof.
本发明公开了一种用于润滑油添加剂的含硼氮化合物及其制备方法。
As a result of repairing boron Lek spotted Whose trees, do not comment directly felling, tree pull knob counter-thought-wing.
如因修船硼沥看上了谁家的树木，不必征求意见可直接砍伐，树扳钮反以为荣。
The main means to resolve boron deficiency is to increase the rate of boron fertilizer, whereas boron is a non-renewable mineral resource.
农业生产上主要依赖增施硼肥解决耕地缺硼问题，然而硼是不可再生的矿质资源。
In view of the ultrafine nature of powdered boron, the method combined the gravimetric method and volumetric method together.
鉴于硼粉颗粒的超细性，该分析方法以重量法、容量法相结合。
The coulometric method can only be used if the phosphorus or boron contents of these coatings are within certain limits.
如果这些镀层中的磷或硼在限值内，才可能使用库仑法。
The invention relates to a neodymium iron boron permanent magnetic material and a preparation method thereof.
本发明是关于一种钕铁硼永磁材料及其制备方法。
The main methods for manufacturing boron carbide coating were given, and the advantages and disadvantages of these methods were pointed out.
讨论了制备碳化硼涂层的主要方法，指出了各种制备方法的优缺点。
Previously, researchers developed tobacco plants able to tolerate low boron levels but this affected the plant"s ability to process sugars.
此前，科学家已经培育出了可以耐受低硼浓度的烟草，但是这会影响烟草处理糖的能力。