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Objective To study the changes of GABA receptor during the acute poisoning of unsymmetrical dimethylhydrazine(UDMH).

究偏二甲基肼急性中毒时大鼠γ氨基丁酸(GABA)受体变化。方法放射性配体结合试验。

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But hang on -- how do we know that radioactive atoms don't senesce?

但是,听清楚了—我们怎么知道放射性原子不衰老?

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There is a danger of serious contamination from radioactive waste.

放射性废弃物有严重污染危险。

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There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry.

这里有37讲,主要是地质年代学、放射性同位素地球化学和稳定同位素地球化学。

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People should keep away from the radioactive waste.

们应远离放射性废物。

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Tritium is one of the mildest radioactive isotopes.

氚是辐射最和缓放射性同位素之一。

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Formaldehyde, benzene, ammonia and radioactive pollution' superscale have seriously affected people's health.

甲醛、苯、氨气和放射性污染超已经严重影响了健康。

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Francium is the densest of the Alkali Metals and also radioactive.

钫是碱金属中密度最大,具有放射性

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We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

我们发现沥青铀矿物中至少含有两种放射性物质:与铋伴生命名为钋,与钡伴生命名为镭。

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The objective is to observe clinical effects of trolamine in the treatment of radiation-induced skin toxicity on the breast in breast carcinoma patients after modified mastectomy.

为了观察三乙醇胺治疗乳腺癌改良术后胸壁放射性皮肤损伤临床疗效。

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The aquatic could enrich the radioactive 89Sr. The maximum concentration factor was 94. 7 for snail, 36. 7 for fish and only 12-6 for honewort.

水生生物对放射性锶都有一定浓集作用,最大浓集系数,螺蛳为94.7,鱼36.7,金鱼藻只有12.6。

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Radioactive nuclides are solidified at crystal lattice as one part of crystalloid by zirconolite-rich synroc, which greatly enhances the long-term safety of radioactive waste disposing.

富钙钛锆石岩石将放射性核素固定在其晶格中作为晶体一部分固定起来,大大提高了放射性废物处置长期安全性,是固化高放射性废物理想固化介质。

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Osteoradionecrosis of the jaws (ORNJ) is one of the severe complications after radiotherapy for malignant tumors of the caput and cervical part.

颌骨放射性骨坏死是头颈部恶性肿瘤放射治疗严重并发症,拟对中文文献中防治方法进行复习和评价。

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The zirconite is one of mineral resources associated with radioactivity.The exploitation and uses of zirconite would lead to pollution to the environment.

锆英砂是一种伴生矿资源,锆英砂开发利用会对环境产生放射性污染。

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The lead isotope study shows that ores of the Mujiazhuang copper deposit and the host rocks contain very high radiogenic lead.

究表明,穆家庄铜矿矿石铅和近矿围岩岩石铅具有极高放射性成因铅特点。

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Objective The aim of this paper is to study the value of preoperative lymphography and radionuclide imaging for rectal cancer patients.

评价直肠癌病术前淋巴管影和放射性核素淋巴显像临床价值。

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The sphene is a kind of stable mineral which is widely used in solidifing actinides separated from high level radioactive waste.

摘要榍石是一种稳定矿物,是岩石固化高放射性废弃物较理想基材之一。

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The incidence rates of moderate and severe mouth cavity mucitis induced by radiation showed significant difference between the two groups.

两组中、重度放射性口腔粘膜炎发生率差异有显著性。

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One drawback: a nonradioactive dye must be administered through the child's rectum before a CAT scan can be performed.

在做CAT射线之前,必须用一种非放射性染料给孩子直肠染色。

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27 PBq of radioactive material.

27个1015底夸克放射性物质。

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dermotropic, dermovaccine, dermovascular, dermovirus, dern, Derna, derned, dernier, derocker, Derodontidae,

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史蒂芬‧金谈写作

At thirteen I wanted monsters that ate whole cities, radioactive corpses that came out of the ocean and ate surfers, and girls in black bras who looked like trailer trash.

十三岁的我想要吞掉整个城市的怪兽、大海里冒出来放射性的活僵尸,把冲浪的人吃掉,还有穿黑色胸衣,看上去像垃圾女流氓一样的姑娘。

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科普杂文

For 10 days, a large amount of radioactive substances pervaded the air, most of it falling as dust into nearby areas, but smaller particles spread far and wide carried by the wind.

连续十天,空气中弥漫着大量的放射性物质,大部分以尘埃的形式散落到附近地颗粒在风的作用下传播得更远。

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雅思听力

For radiography students, tutorials will normally consist of a group of about ten students who will meet fortnightly with their tutor, for a period of at least 50 minutes.

对于放射性摄影专业的学的辅导课程由10名同学组成,他们需要两周内至少跟其导师交流50分钟。

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VOA慢速英语_科技

Lyman said even a small amount of nuclear waste gives off radioactivity and heat.

莱曼表示,即使是少量核废料也会产放射性和热量。

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CNN 10 学英语 2023年8月合集

Japan and the IAEA says it's safe in small amounts.

日本和国际原子能机构表示,少量的放射性物质是安全的。

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活大爆炸 第7季

Get it? Because you clogged up her bathroom like a radioactive monster!

听懂了吗? 说你像个放射性的怪兽那样堵塞了她家的厕所!

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科学60秒-科学美国人 2022年6月合集

This metal cladding doesn't corrode and prevents any radioactive bits from escaping.

这种金属包层不会腐蚀,并能防放射性物质逃逸。

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Listen to this 3 英语高级听力

Some elements of nuclear bombs, like radioactive tritium becomes stale over time and must be refurbished.

一些核弹的元素,比如放射性氢,会随着时间的流逝而锈,一定要翻新才能用。

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透视百科综合类

And it tests some of the deadliest chemical, biological, radiological, and explosive hazards on Earth.

它对地球上最致命的一些化学、物、放射性和爆炸性危险品进行测试。

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当月 CNN 10 学英语 2020年11月合集

That's a dirty process and can involve handling radioactive waste.

这是一个污染严重的加工过程,可能需要处理放射性废物。

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6 Minute English 六分钟英语

I have vivid memories of how the media reported on this event and how scary it was and how frightened everyone was of the radioactive clouds drifting from the Ukraine towards Europe.

媒体是如报道这一事件,这一事件有多么可怕,以及每个人对于从乌克兰飘向欧洲的放射性云有多么害怕。

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CNN 10 学英语 2023年4月合集

Dangerous radioactive particles from the Fukushima Daiichi Nuclear Power Plant contaminated the environment as radiation seeped into the sea, leading authorities to prohibit fishing in several regions off the coast of Japan for more than a year.

来自福岛第一核电站的危险放射性颗粒随着辐射渗入海洋而污染了环境,导致日本沿海的几个地被当局禁捕鱼一年多。

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TED演讲(视频版)双语精选

If you get the right origin, like, for example, Spiderman being bitten by a radioactive spider, at least, then the viewer has something to hold on to, and to say, " Well, it might have happened, now I'll enjoy it."

如果你找到了正确的来源,比如,蜘蛛侠被一只放射性蜘蛛咬了,至少得像这样,观众才有东西可以抓住,然后说,“嗯,这是很可能会发的,现在我要好好享受这个故事了。"

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Superhero Science(视频版)

Rapid nuclear fission is not any better since it often results in many radioactive particles.

快速的核聚变反应有很多缺点 因为它会产许多放射性微粒。

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国家地理科普(视频版)

The boars are not on the aggressive and known to attack, they're radioactive.

公猪没有攻击性,也不会攻击别人,它们有放射性

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环球慢速英语

However, most of the fallout affected the villages and cities close to the power plant.

是,大多数放射性沉降物影响的是临近核电站的村庄和城市。

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环境与科学

This skeleton has been dated by carbon 14 in the mid decades of the14th century.

这具骨架是在14世纪中期由碳-14(放射性碳)测定的。

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CNN 10 学英语 2023年2月合集

Now, imagine the pressure when this tiny capsule is filled with a highly radioactive material.

现在,想象一下当你知道这个胶囊充满高放射性物质时的压力。

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CNN 10 学英语 2023年5月合集

The National Ignition Facility then amplifies all that concentrated energy on the target, and if they get it just right, more energy comes out than went in, with no risk of nuclear meltdown or radioactive waste.

然后,国家点火装置将所有集中在靶丸上的能量放大,如果处理得当,输出的能量比输入的能量要多,也没有核熔毁或放射性废物的风险。

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科学60秒-科学美国人 2019年10月合集

Radiocarbon analysis suggests the wood vessel dates back to 400 B.C.

放射性碳分析显示,这艘木制船舶来自公元前400年。

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derotation, derrick, derricking, derricks, derrid, derride, derriengue, derriere, derringdo, derring-do,

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3G, 401(K), a,
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