Researchers say they generated more energy from a fusion reaction than they use to start the process.

研究人员表示，他们从聚变反应中产生的能量比启动聚变反应时产生的能量更多。

And that when people think about getting energy out of a nuclear reaction, you've heard about fusion reactions.

而当人类想从核反应中获取能量时，你们听说过核聚变反应。

Fusion reactions, as you'd expect, are very different from fission.

如您所料，聚变反应与裂变有很大不同。

White dwarfs don't have fusion reactions fueling them up.

白矮星没有为它们提供燃料的聚变反应。

The other one, tritium, we'd brew from lithium during the fusion reaction itself.

另一种是氚， 我们会在聚变反应过程中从锂中提取。

The fusion reactions that make stars burn turn lighter elements into heavier ones by smashing nuclei together.

使恒星燃烧的聚变反应通过将原子核撞击在一起，将较轻的元素变成较重的元素。

For one thing, the energy released in many fusion reactions dwarfs even the huge amount released by fission.

一方面，许多聚变反应释放的能量甚至使裂变释放的巨大能量相形见绌。

On the density question, our models show that the Sun has a hot core, where the fusion reactions occur.

在密度问题上，我们的模型显示太阳有一个热核，聚变反应发生在该核中。

A reactor in China recently ran a fusion reaction at 120mn degrees for more than a minute and a half.

中国的一座反应堆最近在 1. 2 亿度的温度下进行了超过一分半钟的聚变反应。

For the first time ever, in a lab setting, researchers say they generated more energy from a fusion reaction than they used to start the process.

有史以来第一次，在实验室环境中，研究人员表示，他们从聚变反应中产生的能量比以往开启这个过程产生的能量都多。

Well, scientists at a Department of Energy lab in California have figured out how to successfully produce a nuclear fusion reaction with a net energy gain.

加州能源部实验室的科学家们已经找到了如何在成功产生核聚变反应的情况下获得净能量的方法。

Heat rushes through the detonation system and  sparks a fusion reaction in the bomb's gaseous fuel, which contains isotopes of hydrogen.

热量冲过爆炸系统， 在炸弹的气体燃料中引发聚变反应，其中含有氢同位素。

For this reason, fusion reactions can only occur when particles collide at very high speeds, or under very high pressures.

因此，聚变反应只有在粒子以非常高的速度或在非常高的压力下碰撞时才会发生。

With the ITER project, the first plasma is supposed to be created by 2025, but full fusion reaction isn't expected until 2035.

对于 ITER 项目， 第一个等离子体应该在 2025 年之前产生，但完全聚变反应预计要到 2035 年。

If it's lighter than iron-56 it will more likely participate in a fusion reaction, joining two nuclei together to form a heavier one.

如果它比铁 56 轻，它就更有可能参与聚变反应，将两个原子核连接在一起形成一个更重的原子核。

Four months ago, we used freaking laser beams to recreate the conditions inside of a star, achieving more energy out of a nuclear fusion reaction than we put in.

4 个月前，我们用超厉害的激光重建了恒星内部的环境，由核聚变产生的能量超过了我们输入的能量。

The problem with trying to recreate the fusion reaction happening in the sun here on earth is that it's really, really hard.

试图重现地球上太阳中发生的聚变反应的问题在于，它真的，真的很难。

The reactions that power the sun are like most fusion reactions, in that they involve very small nuclei like isotopes of hydrogen and helium.

为太阳提供动力的反应与大多数聚变反应一样，因为它们涉及非常小的原子核， 如氢和氦的同位素。

Scientists say they've successfully produced a nuclear fusion reaction, which replicates the processes that happen on the sun and that they may have found the holy grail of clean energy.

科学家称他们已经成功制造出核聚变反应，复制了核聚变发生在太阳上的过程，将其作为清洁能源的梦想或将变为现实。

The sun kind of has it easy because of gravitational forces and other pressures that mean that a fusion reaction can happen relatively easily.

太阳有点容易， 因为引力和其他压力意味着聚变反应相对容易发生。