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A new method for determination of water content in ammonium-uranyl tricarbonate by Karl -Fisher reagent titration is described in this paper.

本文叙述了卡尔·费休尔试剂滴定法测定三碳酸酰铵中水分的方法,了测定水分的各条件,特别是、铵和碳酸根的干扰情况。

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Therefore, it is studied and analyzed in details the reason for the vitiation of TEG solution by many kinds of testing methods and means.

为此,通试验方法和手段,分析了三甘醇溶液的失效原因,并通室内试验确定了三甘醇溶液的废弃标准。

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The MSPD-HPLC technigue used for assay of trace pirimicarb and amitraz in fruit and vegetable was discussed and the conditions of quantitative analysis investigated in detail.

试验将MSPD技术用于水果、蔬菜中抗蚜威和双甲脒残留物的高效液色谱分析,并对定量检测条件作了

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3G, 401(K), a,

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VOA Standard 2014年4月合集

Strausfeld says the organ systems detailed in this study are easily recognizable in today's crustaceans.

Strausfeld说可见器官系统在如今纲生物中也清晰可见。

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听美文故事记六级单词

Details were presented at a meeting of the International Association for Dental Research.

结果是在国际牙科协会一次会议上公布

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Kurzgesagt 科普动画(双语精选)

We discuss these studies in more detail in our sources document.

我们将在源文件中更地讨论这些

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科学60秒 2017年10月合集

The details are in the journal Optica.

内容刊登在《光学设计》期刊上。

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VOA慢速英语_科技

This makes it " bright and easy for detailed studies, " Fu said.

傅说,这使得它“明亮且易于进行”。

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少年谢尔顿 第四季

In the future, you might consider doing that before you send out the letter.

未来希望你能在发出信之前就做好

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科学60秒 听力 2014年8月合集

Researchers studied 66 people with recurring migraines over the course of seven attacks.

人员们对66名多发性偏头痛患者经历7次病痛期及期间进行相应治疗进行了

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VOA Special 2023年5月合集

He said debaters research issues in detail and across many different areas of knowledge.

他说,辩手们对问题进行了,涉及许多不同知识领域。

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VOA Special 2024年8月合集

But after detailed testing, the researchers said they had almost a complete skeleton.

但是经过试,人员表示他们几乎拥有了一具完整骨架。

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科学60秒 听力 2013年1月合集

The researchers pored over 20 studies conducted in controlled lab settings.

人员审查了在精心控制实验环境下进行20项

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简单心理学

Though again, we'll need more detailed studies to know for sure.

不过,我们还需要更来确定。

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历年四级阅读真题精听

Research from the exhaustive study of groundwater from over 950 drilling logs has just been published.

最近刚发表一篇报告对 950 多个钻井日志中地下水情况进行了

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哈佛大学《幸福课》

We'll visit him more in-depth when we talk about, when we have the week on self-esteem.

等我们进行到自尊课时,会讲他

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VOA慢速英语_世界

It is a detailed study of the Amazon rainforest and its importance to the world's climate.

该报告了亚马逊热带雨林及其对世界气候重要性。

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BBC 听力 2023年5月合集

Neuralink called it an important first step but didn't elaborate on the aim of the study.

Neuralink(公司名称)称这是重要第一步,但没有说明这项

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雅思听力最新机试真题

Now, before we look at everything in more detail, I've got a few factual questions for you.

现在,在我们更每件事之前,我有几个事实问题要问你。

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双语版 TED-Ed 演讲精选

But Maclaren had been one of the first to publish a detailed topographical study of the area.

但Maclaren是最早发表该地区地形人之一。

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高考阅读真题

Vaillant's study followed these males in great detail. Interviews were repeated at ages 25, 31, and 47.

瓦伊兰特对这些男性进行了。在他们25岁、31岁和47岁进行了多次采访。

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BBC 听力 2012年9月合集

Scientists have published the most detailed analysis to date of the human genome. Fergus Walsh has more.

科学家发表目前关于人类基因组。费格斯·沃尔什报道。

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双语版 TED-Ed 演讲精选

This motivated scientists from Mexico, Spain and England to study the luminance in Van Gogh's paintings in detail.

受到启发墨西哥、西班牙和英国科学家们决定梵高画作中亮度。

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