This article studies the reaction process and mechanism of calcium silicate thermal insulating material active mortar of hard rankinite type.

研究了硬硅钙石型硅酸钙保温材料活性料浆的反应过程与反应机理。

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Conducting tubes are used in wires and electrodes but semiconducting tubes are the active material for transistors or solar cells.

导电管用于电线和电极中，用于晶体管或太阳能电池中的半导体管采用了活性材料。

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Conveyor belts carried long, wafer-thin strips of metal into printing-press-like rollers, which coated them with electrode-active material.

NEWYORKER: Green Giant

However, it is not possible to anneal the metal oxides, an active material, at this high temperature on flexible polymer substrates.

ENGADGET: Korean scientists solve flexible battery riddle (video)

It focused narrowly on areas in and around active genes, ignoring the 98.5% of genomic material known as "junk DNA." This process pinpointed 25, 000 genetic landmarks called SNPS (single nucleotide polymorphisms, or "snips"), places where a single dna letter varies from one person to the next.

FORBES: The Suggestive Gene