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这是一个放热反应。It's an exothermic reaction.

地狱是放热还是吸热?Is Hell exothermic or endothermic?

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与酸发生强放热反应。Strong exothermic reaction with acids.

反应是放热的还是吸热的。Whether the reaction is exothermic or endothermic.

他们对放热的化学反应一无所知。They know nothing about exothermic chemical reactions.

我希望我是一个离子,那么我就可以和你形成放出热量的纽带。I wish I was an Ion so I could form an exothermic bond with you.

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.

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你像一个发热的反应,全身上下都热极了。You’re like an exothermic reaction, you spread your hotness everywhere!

由于水合过程受气液扩散控制,并且是放热反应。Hydration process belongs to diffusion control with exothermic reaction.

SFC对SPI吸附过程为非自发的放热过程,吸附过程符合二级动力学模型。The adsorption of SPI on SFC is a non-spontaneous and exothermic process.

假如该反应是放热变化,就应移走所放出的热。In case the reaction is an exothermic change, you should remove the heat liberated.

前者异构化为吸热反应,后者为放热反应。For the process of the isomerizations, the former is endothermal reaction, the later is exothermic.

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采用发热保温冒口,由于冒口的补缩效率提高,缩松倾向明显减少。The distribution of porosity defects can be reduced to the least by using exothermic insulating riser.

6993为固化时放热峰低、收缩率小的新型不饱和聚酯树脂。HCH-6993 for a curing exothermic peak at the low shrinkage rate of new small unsaturated polyester resin.

压力再增大,则峰形、峰温、放热量的变化均不显著。If the pressure still increases the peak shape, temperature and exothermic quantity have a little change.

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.

该反应为放热基元反应,其结构过渡态出现在能量过渡态之后。The reaction is an exothermic reaction, its structure transition state occurs after energy transition state.

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在274.0℃附近有一小放热峰,分析为模板剂开始燃烧释放的热量。There is a small exothermic peak at ca. 274.0℃, suggesting heat corresponding to the combustion of template.

泥煤吸附镥属于放热反应,且吸附过程自发不可逆,吸附焓变、熵变、自由能变均为负值。The adsorption processes are spontaneous and irreversible. The adsorption of Lutetium onto peat is exothermic.

还研究了放热效应,金相组织与涂层过渡层。Exothermic efficiency, metallographical structure and transition region of coating layer were also investigated.