Relationship (1): quantity of boron contained in the boron-containing flux component/ quantity of the crude boron nitride ≤ 1.4wt%.
The glass article may be free of boron and compounds of boron.
The fibers are made of glass, with a low content of boron or preferably free of boron.
It is intended to provide boron absorption-promoting gene relating to the absorption of boron by which the incorporation of born from the environment and boron transport in vivo can be more efficiently controlled.
The boron compound preferably contains at least one type of boron compound selected from a group comprising boric acid, zinc borate and boron oxide.
The boron may include boron carbide.
f. High energy density materials 4.C.3.
The preferred boron compounds are boron trialkyls.
The interstitial boron oxide then is converted to boron nitride.
The boron and nitrogen layer preferably comprises boron nitride and, more preferably, cubic boron nitride.
Pyrolytic boron nitride, highly oriented pyrolytic boron nitride, and cubic boron nitride are particularly suited.
Boron alloys with a boron content of 85 % by weight or more
Boron alloys with a boron content of 85 % by weight or more
This boron nitride powder is produced when cutting boron nitride blocks made of hexagonal boron nitride.
Boron alloys with a boron content of 85 % by weight or more
Boron alloys with a boron content of 85 % by weight or more
c.5.b.2. does not apply to boron and boron carbide enriched with boron-10 (20 % or more of total boron-10 content).
ML8.c.5.b.2. does not apply to boron and boron carbide enriched with boron-10 (20 % or more of total boron-10 content.
The boron compound used in the chemical treatment of this invention is boron halide, preferably boron trichloride.
ML8.c.5.b.2. does not apply to boron and boron carbide enriched with boron-10 (20 % or more of total boron-10 content).
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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