a substance造句
例句与造句
- Such a substance is called a depolarizer .
这种物质称为去极剂。 - A substance donates protons to some other substance .
一物质向其他物质提供质子。 - The term "fluid" means a substance that can flow .
所谓“流体”是指可流动的物质。 - Charge may be given to or removed from a substance .
电荷可以充入一物质也可以从中移去。 - The more ways a substance has of "soaking up" added energy .
物质具有“吸收”所加入能量的其它方式。 - It's difficult to find a substance in a sentence. 用a substance造句挺难的
- The temperature of a substance may be changed under a variety of conditions .
物质的温度可在不同条件下发生变化。 - My duodenum produces a substance called secretion, which empties into joe's bloodstream .
我的十二指肠生产一种名叫分泌素的物质，排入乔的血流。 - The heat of fusion is the heat required to melt a substance at its normal melting temperature .
熔化热是一种物质在其熔点温度全部熔化所需要的热量。 - As we have remarked before, we face a similar problem in defining the ordinary mass-density of a substance .
正如我们在前面已经注意到的，我们面对着和定义通常的物质密度相似的问题。 - There is no simple general law relating the change of temperature of a substance to the heat energy add to it .
加进物质的热量同物质温度的变化之间的关系，还没有一条简洁而普通的定律。 - He spoke hurriedly, as though trying to mold a substance which was warm and pliable, but which might soon cool .
他讲话很急促，好象他想要拿一种温暖柔韧的原料塑造什么东西，又怕原料冷得太快。 - An electron gun shoots a beam of electrons at a screen coated with a substance which lights up when the electrons hit it .
电子枪把电子束射向萤光屏，萤光屏上涂有一层被电子射束照射时能发光的物质。 - Compressibility(b)is the measure of volume changes when a substance is subjected to changes in normal pressures or tensions .
压缩系数（B）就是当物质承受的法向压力或法向张力变化时其体积变化的度量。 - Clearly the principle requirement for a substance to be capable of forming a structural unit of a polymer chain is that it must be difunctional .
显然，对于能成为聚合物链结构单元的物质的基本要求是：它必须是双官能的。 - The british team decided to look for a substance that would block the enzyme's function in photorespiration while allowing it to function in photosynthesis .
这个英国的科学家小组下决心寻找一种物质，这种物质能阻遏酶的光呼吸的功能，而让它发挥光合作用的功能。
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