钨

Tungsten is classified among the metals.

钨归入金属类。

Tungstate competitively inhibits the utilization of molybdenum for the formation of xanthine dehydrogenases.

钨酸盐竞争性地抑制钼的利用以形成黄嘌呤脱氢酶。

High frequency directs the arc, cannot produce the phenomenon of clamping tungsten.

高频引弧， 不会产生夹钨现象。

Tungsten has the highest dian of all metals: 3400 centigrade.

钨在所有金属中具有最高的熔点，达到了3400摄氏度。

Synthesis of n - butyl lactate is catalyzed by phosphotungstic acid and aluminium phosphotungstate.

以磷钨酸和磷钨酸铝为催化剂，用乳酸和正丁酸合成了乳酸正丁酯。