氟化物

The results show that at high temperature of graphite furnace PTFE can convert chromium oxide into chromium fluoride to reduce the formation of refractory carbide.

结果表明，PTFE在高温下可以将铬的氧化物转化为氟化物，阻止难熔碳化物的形成。

The reaction of sodium alkylcycloperitadienide with metal chlorides gave derivatives of bisdichlorides of titanium, zirconium and hafnium where alkyls were n-propyl and n-butyl.

本文报导烷基环戊二烯基钠与金属氯化物反应合成钛、锆和铪的双金属二氯化物以及通过卤素交换制备双钛的二氟化物的方法。

They are called the chlorides, bromides iodides or fluorides.

它们称为氯化物、溴化物、碘化物或氟化物。

Fluoride can inhibit the cariogenic bacteria and propagation; thereby reducing the opportunity for dental caries.

氟化物能抑制和致龋菌繁殖，从而减少龋齿的机会。

DuPont says it bought the business as part of a strategy to expand its fluorochemicals business and enhance its presence in fire-extinguishing chemicals, pharmaceutical propellants, and other specialty markets.

杜邦公司说，收购作为一项战略，以扩大其氟化物事业的一部分业务，提高其在灭火化学品，医药推进剂，以及其它专业市场。

Clean tap water will work, but if it is very high in salts or fluorides, consider using distilled water instead.

清洁自来水的工作，但如果它是非常高盐或氟化物，考虑使用蒸馏水代替。

Some have raised the question as to whether fluorides were possibly the cause of the disease.

有人已提出疑问：氟化物是否可能就是引起此病的原因。

A white mineral consisting of fluorides of aluminum and sodium; a source of fluorine.

一种白色矿物，由铝和钠的氟化物构成，是氟的来源。

Dust filter is recommended when exposure to metal fluorides is possible.

一般的使用：当有可能暴露于金属氟化物时，推荐使用带滤尘器的呼吸器。

When the content of the fluorides in the welding flux increase, it could improve the strength and toughness of the weld bead.

当焊药中氟化物的添加量增加时，可增进焊道的强度与韧性。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。