He and some of his grad students wanted to use nitrous oxide as an emissions-free energy source.
他和他班上一些大学生想利用氧化氮作为无排放的动力能源。
To the extent that the shale-gas success is repeated elsewhere, a vital source of energy will become available from an ever more diverse and numerous set of suppliers in increasingly free markets.
页岩气的成功开采比比皆是，这使得能源的主要来源，在日益增多的自由贸易市场中，变得更多样，选择也更多。
And nuclear is hardly the only energy source that hasn't stood up in the free market once you factor in the external costs.
考虑到外部的成本因素，所以核电到目前为止是唯一还没能在自由市场上自主建设的能源。
Solar energy is lauded as an inexhaustible fuel source that is pollution and often noise free. The technology is also versatile.
太阳能被称为是取之不尽的能源，没有污染，通常也没有噪声，而且用途广泛。
This means the car produces no CO2 emissions directly, but whether it is emission-free overall depends on the source of the energy used to produce the hydrogen.
这意味着汽车不直接产生二氧化碳排放，但是否完全零排放取决于用来制造氢的能量原料。
Solar energy has the obvious advantage that the sun is an inexhaustible and abundant source which is free of both pollution and radioactivity.
由于太阳是没有污染和放射性的无穷无尽的丰富资源，具有明显的优点。
Fasting experiments with the fifth instar larva indicate that free lipidscould be utilized as an energy source.
结合幼虫饥饿实验，表明游离脂肪是可以被动用的作为能源的物质之一。
The free energy device is ignited by using a source of initial electricity.
通过使用初始电力源的自由能装置被点燃。
As the major circulating free sugar in blood, it is the source of energy in cell function and a major participant in metabolism.
是高等动物血液循环中的主要的游离糖。是细胞功能的能源。
Hydrogen is an alternative energy source with high efficiency and pollution free.
氢能是高效、环保型替代能源。
Hydrogen is an alternative energy source with high efficiency and pollution free.
氢能是高效、环保型替代能源。
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