Above a certain temperature, the enzyme molecule will become unfolded . 超过一定温度,酶分子将会展开。
Crystalline substances, such as ice, or a metal, melt at a definite temperature . 象冰或金属等结晶物质,则是在一定温度下才发生溶解。
Air is said to be saturated with water vapor when it contains the maximum amount that will evaporate at a given temperature . 当空气中所含水分在一定温度下处在最大蒸发量时,就说空气中的水分饱和了。
Metals do not melt until heated to a definite temperature 金属要加热到一定温度才会熔化。
The machine shuts off automatically if a certain temperature is reached 这机器在达到一定温度会自动关掉。
The metal is cooled in the air , having been heated to a definite temperature in the furnace 金属在炉子里加热到一定温度后放在空气中冷却。
It is their plasticity at certain temperatures which gives plastics their main advantage over many other materials 正是在一定温度下的塑性使塑料优于许多其他材料。
It is their plasticity at certain temperatures that gives plastics their main advantage over many other materials 正是在一定温度下塑料所具有的塑性使它比其他许多材料更优越。
Therefore the purification reaches to one hundred thousand grades . through steam heat exchanger , the temperature of air is raised to certain temperature 达到十万级净化,经蒸汽热交换器,使空气升温至一定温度。
There are three crystalline phases for tio2 , including rutile . anatase and brookite . transformation of crystalline phase occurs at a certain temperature and pressure Tio _ 2具有金红石、锐钛矿和板钛矿三种晶体结构,在一定温度和压力下可发生晶体结构的转变。