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- Fast-moving neutrons are produced by fission reaction in a nuclear reactor. Water is commonly used to moderate and control the speed of neutrons. 核電站的核反應堆中,核裂變會(huì )產(chǎn)生高速移動(dòng)的中子,通常是用水去阻隔及控制中子的移動(dòng)速度。
- No method of safely disposing of this toxic waste has been found, and the volatile nature of the fission reaction can lead to a meltdown of the reactor core if the reaction is not properly controlled. 目前還沒(méi)有發(fā)現安全處理這些有毒廢料的方法，而且裂變反應有不穩定性，如果控制不當，會(huì )導致核反應堆熔毀。
- spontaneous avalanche-like fission reaction 瞬時(shí)突變裂變反應
- The abundance of those lighter elements allowed scientists to deduce that fission reactions must have gone on for hundreds of thousands of years. 這些較輕元素的含量讓科學(xué)家推論出，核分裂反應必定進(jìn)行了好幾十萬(wàn)年。
- Physicists confirmed the basic idea that natural fission reactions were responsible for the depletion in uranium 235 at Oklo quite soon after the anomalous uranium was discovered. 發(fā)現歐克陸鈾235的含量短少后，物理學(xué)家很快就確認其原因是自然的核分裂反應。
- The discovery of the nuclear fission is a new departure in physics. 核分子分裂的發(fā)現是物理學(xué)上的一個(gè)新起點(diǎn)。
- Could I ask for your reaction to this policy? 我能問(wèn)一下您對這個(gè)政策的反應嗎？
- A study of proton fission reaction cross sections of the target materials used in ADS with system theory 用系統學(xué)研究ADS靶材料的質(zhì)子反應裂變截面
- A reactor is a container for chemical reaction. 反應器是進(jìn)行化學(xué)反應的容器。
- I'm displeased at your reaction. 我對你的反應很不滿(mǎn)意。
- The forces of reaction made reform difficult. 反動(dòng)勢力給改革造成了困難。
- His reaction on this matter is unexpected. 沒(méi)料到，他對這件事的反應是這樣的。
- A sharp reaction; a repercussion. 強烈反應后果，影響
- Their reaction was one of qualified praise. 他們的反應是一種有保留的稱(chēng)贊。
- His initial reaction was one of shock. 他最初的反應是震驚。
- The reaction of the audience was instantaneous. 觀(guān)眾即刻有了反應。
- When atoms split, the process is called "fission". 原子分裂時(shí)，其過(guò)程被稱(chēng)為“裂變”。
- What was his reaction to the plan? 他對這個(gè)計劃有什么反應?
- The medicine produced a violent reaction. 這藥物引起了劇烈的反應。
- Fission bombs use highly enriched fuel. 裂變原子彈使用高度濃縮燃料。
