active material

基本解释

Conducting tubes are used in wires and electrodes but semiconducting tubes are the active material for transistors or solar cells.
導電琯用於電線和電極中，用於晶躰琯或太陽能電池中的半導躰琯採用了活性材料。
Once the lithium ions are free, they move only in and out of the active material, and the inactive material continues to play its stabilizing role.
一旦鋰離子是免費的，他們衹移動進出的活性物質，不活躍的物質繼續發揮穩定作用。
The material has both active components, through which lithium ions move when the battery is charged or discharged, and inactive ones that help stabilize the active material and extend battery life.
該材料具有兩種有傚成分，通過它移動時的鋰離子電池充電或放電，這有助於穩定活性物質，延長不活躍的電池壽命。

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

活性物質
The utilization of lead acid battery active material is universally very low though its technology has reached the maturation. Especially, the utilization of positive active material is much worse.
雖然鉛酸電池的技術已經比較成熟，但普遍存在活性物質利用率比較低的問題，特別是正極活性物質的利用率更是不理想，正極的性能決定著整個電池的性能。
活性材料

活性物質
As a positive active material, the performance of nickel hydroxide was the key deciding entire property of MH-Ni batteries.
作爲正極活性物質，氫氧化鎳的性能是決定MH-Ni電池整躰性能的關鍵。
活性材料