反应是放热的还是吸热的。
他们对放热的化学反应一无所知。
只有一个问题：地狱是放热的还是吸热的？
该吸附是一个自发的、放热的熵减少过程。
The adsorption is a spontaneous, exothermic process of reduced entropy.
非恒温非绝热固定床反应器广泛应用于强放热的反应体系。
The two dimensional pseudohomogeneous model was often used for the non isothermal, non adiabatic fixed bed reactor that was widely used for the strongly exothermic reactions.
能量表明，当反应发生之后，你最终会得到放热的产物，换句话说就是产物比反应物更稳定。
Energy means, you know, chemical reactions happen, and you end up with something that might be exothermic, that is, the products are more stable then the reactants.
首先，萤火虫吸氧通过特殊的细胞与一种叫荧光素的物质结合就会几乎毫不放热的发出光亮。
The insects take in oxygen and, inside special cells, combine it with a substance called luciferin to produce light with almost no heat.
催化剂具有扭曲的椅式构型，与硼烷在N原子处配位形成加合物，反应是放热的。
The catalyst is a twisted chair structure and reacts with borane at the N site of the catalyst to form catalyst borane adduct. The formation reaction is exothermic.
在非设计工况下运行时，火焰的轴向位置和燃烧放热的变化也对系统稳定性产生影响。
Under off-design operating conditions, shifting of the flame's axial position and its heat release may also influence the system's stability.
应用低阶的模型对一个强放热的化学反应釜模型进行的仿真研究检验了该方法的有效性。
The effectiveness of the method is verified by the simulation research on a strong heat-releasing chemical reactor during which a lower order model is configurated.
这是华盛顿大学化学期中考试中的一道真题：“地狱是放热的还是吸热的？试证明你的观点。”
The following is an actual question given on a University of Washington chemistry mid-term exam paper.
文中分析了冷却水作冷媒向地下冷源放热的理论依据和数学模型，提供了地冷制冷系统的设计方法。
The principles of the cooling system are demonstarted through analysis and testing, and designs are made for the underground pool.
将强放热的甲醇转化过程与烃类裂解制烯烃过程进行反应耦合，无疑会在技术、能耗、经济方面显示广泛的应用前景。
The effective coupling of exothermic methanol conversion with endothermic hydrocarbon cracking will undoubtedly lead to a practical application since its energetic and economic advantages.
例如，一个高放热的反应可能在一个小的不锈钢反应釜内能够很好的被控制，但是在一个大的塘玻璃反应釜内证明是不可能控制的。
For example, a highly exothermic reaction might be well controlled in a small stainless steel vessel, but could prove impossible to control in a larger glass-lined vessel.
微处理器每次在内部执行逻辑操作时都会释放热量，因此处理器运行得越快，产生的热量就越多。
Heat is released every time a logical operation is performed inside a microprocessor, so the faster the processor is, the more heat it generates.
没有冷水，辐照性核燃料就会在放热反应发生的同时燃烧。
Without cooling water, the irradiated nuclear fuel could spontaneously combust in an exothermic reaction.
留在核心内的放射性物质将在很长一段时间内持续放热。
What's left over in the core, the radioactive material, will continue to give off heat for a long time.
在比利时，为了等待地下实验室对储存罐释放热量将引起粘土何种反应的研究取得结果，最后的决定已经推迟了10年。
In Belgium a decision has been postponed for 10 years to enable an underground laboratory to continue investigating how clay reacts to heat released by the storage canisters.
黑素有着很重要的作用——它可以吸收紫外线，并可以像释放热量一样驱散紫外线。
Melanin has an extremely important role- it absorbs UV light and dissipates the UV rays as heat.
黑洞通过释放热量将星系气体排斥掉，阻碍了任何新恒星的形成。
By emitting heat that pushes away the galactic gas, the black hole prevents any new stars from being formed.
事实上，未来的时间里气温会变得越来越热，其中一个的原因就是亚热带太平洋已经大量地放热。
Indeed, one reason for thinking that the coming year will be hotter than all known previous ones is that the tropical Pacific is currently dumping heat.
但是，因为海啸破坏了吸水的电力发电机，核心不断放热。
But, because the tsunami damaged the diesel-powered generators that pumped the water, the core kept heating up.
可以用火加热使它的热量聚集，并在晚上释放热量。
Its thermal mass can heat up with a fire and release heat throughout the night.
橡皮软管不能用于冷系统和热系统之间的连接或从任一系统排放热液体。
Rubber hoses will not be used to connect a hot system with a cold system or to drain hot liquids from any system.
由于保持平稳，舒适的温度的方法，建筑特征放热板高高的天花板。
As a way of maintaining a steady, comfortable temperature, the building features heat release panels high up in the ceiling.
本文用激光全息干涉法研究了水平椭圆管的自然对流放热。
Holographic interferometry has been used to study the heat transfer by free convection from horizontal elliptic cylinder.
空气到较冷的一边时会放热到外界而压缩，并拉蓝色活塞到左边。
The air on the cool side loses heat to the outside world and contracts, pulling the blue piston to the left.
空气到较冷的一边时会放热到外界而压缩，并拉蓝色活塞到左边。
The air on the cool side loses heat to the outside world and contracts, pulling the blue piston to the left.
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