beryllium造句
1. Explain why barium forms peroxide but beryllium does not.
2. Beryllium, bismuth, and bromine must be considered as well.
3. However the toxic properties of beryllium limit its application.
4. We should stop using beryllium whenever possible.
5. MOVABLE CONTACT: Beryllium copper alloy, gold over nickel plate.
6. Amorphous beryllium hydride , as ablator, can increase conversion from laser to X - rays .
7. Beryllium bronze alloy explosion-proof tools: belongs to the national class C level product, in a concentration of 21% hydrogen gas homework not detonate gas.
8. Urine - Determination of beryllium - Graphite furnace atomic absorption spectrometry.
9. The development and applications of ductile beryllium bronze material as well as the trend of replacing the alloy by other new alloys are reviewed.
10. Determination of micro beryllium in scheelite by polarography was studied.
11. With this system beryllium can be detected in the range 1.5×10~ ( - 8 ) M - 1×10~ ( - 5 ) M.
12. The environment And beryllium bronze explosion-proof tools don't magnetic (0), so magnetic field environment is the ideal tool, foreign operations customer called the magnetic tools.
13. Seventy years after the discovery that beryllium dust causes disease, the depth of this epidemic is unplumbed, probably involving more than a million exposed workers.
14. The condition of color reaction of beryllium with sulfosalicylic acid was studied.
15. At 3:20pm the screwdriver slipped causing the upper beryllium sphere to fall creating a prompt critical reaction and a burst of radiation.
16. Beryllium - containing bronze has usually been adopted to make elastic parts.
17. The mechanical properties of beryllium are recovered after relieving machine damage.
18. Uses: Alloyed with copper, aluminum, or nickel, beryllium imparts excellent electrical and thermal conductivities.
19. The erosion of a divertor target of beryllium in a fusion reactor is discussed.
20. They calculate severe leaching of such toxic metals as beryllium, aluminum, mercury, lead, and cadmium.
21. Parts in contact with liquid in pipe are of brass and beryllium copper.
22. Tin welding parts and lead-tin alloy die casting, zinc, beryllium bronze, phosphorus copper alloy in electroplating copper with commonly used before also gets to improve adhesion.
23. With very low loss at high frequency, alumina(96%, 99%), beryllium oxide(BeO)and aluminium nitride(AlN)ceramics are excellent substrates for microwave and RF circuits.
24. The alloy constitution , property and application in automotive industry of beryllium copper are introduced.
25. Magnesium nitrate as matrix modifier in the determination of trace beryllium by GFAAS was studied. The effect mechanism of Mg (NO3)2 on ashing and atomization was studied.
26. As with all TVs, LCDs have plastic shells treated with brominated flame retardants and wiring that has various toxic heavy metals such as cadmium, chromium, antimony and beryllium.
27. Burn-out of a microwave power device due to the poor bonding between beryllium oxide and base metal sink was investigated using Sound Scanning technique.
28. There are such defects as furnace oxidation, beading, brittle fracture, distortion, unstable properties and so forth on commonly aged beryllium bronze .
29. Cadmium and cadmium oxide in thick film pastes used on aluminium bonded beryllium oxide.
30. Company products are mainly divided into three categories: Explosion tools aluminum bronze, the two Beryllium Bronze material.
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