词语大全 radioactive isotope造句 radioactive isotopeの例文 "radioactive isotope"是什麼意思

Posted 2022-08-15 半衰期

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词语大全 radioactive isotope造句 radioactive isotopeの例文 "radioactive isotope"是什麼意思

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The breakdown of radioactive isotopes goes on at constant rates .
放射性同位素的衰變在恒定的速率下進行。

There are o main types of uses of radioactive isotopes in biochemistry .
在生物化學中，放射性同位素主要有兩方面的應用。

The large number of radioactive isotopes among the heavy elements fit into three series .
重元素中的大量放射性同位素分屬于三個系列。

The inferno spewed a deadly plume of radioactive isotopes into the atmosphere .
這個象煉獄般的地方將一縷致死的放射性同位素噴入大氣層。

A radioactive isotope of carbon , especially carbon14
放射性碳碳的一種放射性同位素，尤指碳14

The meteorite , which recently fell to the tropical island in pacific ocean , proved to be the present well of the thinnest radioactive isotope
最近落到在太平洋的熱帶島隕石證明是最薄的放射性的同位素的現在井

Autoradiography a technique whereby a tin spce of tissue containing a radioactive isotope is placed in contact with a photographic plate
放射自顯影術：將含有放射性同位素的一小薄片生物組織與感光層接觸的一項技術。

The importation of the radioactive isotope , radiation equipment and other radioactive materials should e up to apppcable state regulations
進口放射性同位素、射線裝置和含有放射性物質的物品的，按照國家有關規定辦理。

We can talk about the half - pfe of a radioactive isotope , and indeed we can measure and state very very precisely what that half - pfe is
我們可以談論放射性同位素的半衰期，我們確實可以非常準確地測量和描述半衰期是什么。

Gamma rays have proved very helpful in medicine and industry . these rays are also given off by radioactive isotopes obtained as by - products in production processes
射線已被證實在醫學和工業上有很大的用處，這些射線是在生產過程中由放射性同伴素釋放出的副產品。

It\'s difficult to see radioactive isotope in a sentence. 用radioactive isotope造句挺難的

According to the off - pne rnb \' s requirement of the radioactive isotope , the doubly odd nucleus 64cu produced by reactor was chosen as the first nucpde to carry out expermental research about the off - pne rnb
按照離線放射性核束對放射性同位素的要求，我們把堆照放射性同位素樣品~ ( 64 ) cu作為首選核素來開展離線放射性核束的實驗研究工作。

Rather they were the products of the decay of radioactive isotopes of iodine , which in turn were formed from radioactive tellurium and so forth , according to a well - known sequence of nuclear reactions that gives rise to stable xenon
它們其實是碘同位素放射衰變的產物，而碘是由放射性碲產生，依此類推，經由人們所熟知的一系列核反應而產生穩定的氙。

For radioactive workplace and the transportation and storage of radioactive isotope , the employer should equip risk - prevention equipment and alarm devices , and ensure the employees exposed to radiation equipped with dose meter
對放射工作場所和放射性同位素的運輸、貯存，用人單位必須配置防護設備和報警裝置，保證接觸放射線的工作人員佩戴個人劑量計。

Among them the x - ray diffraction analysis is mainly used to confirm clay mineral assemblages and their crystalpnity ; chemical analysis and electronic microscope are used to study the source , the genesis and the evolvement process of clay minerals ; radioactive isotopes analysis can make up the relationship beeen the time and space which is based on the cpmate index and the chronology ; hydrogen and oxygen isotopes also provide important evidence for reconstructing paleocpmate
其中， x射線衍射分析主要用來確定黏土礦物組合及其含量以及某些黏土礦物的結晶度化學分析電鏡分析主要用于黏土礦物的來源成因演變過程的研究放射性同位素的研究使氣候指標和年代學建立起時間和空間上的聯系而氫氧同位素分析亦能對古氣候重建提供重要佐證。

Article 1 in order to strengthen the control of radiation accidents , to handle radiation accidents timely and effectively , and to reduce the consequences caused by the accidents , these provisions are formulated according to the provisions of the regulations on protection against radiation of radioactive isotopes and radial equipment ( hereinafter referred as the regulations ) , and of other relevant laws and regulations
第一條為加強放射事故的管理，及時有效處理放射事故，減輕事故造成的后果，根據《放射性同位素與射線裝置放射防護條例》（以下簡稱《條例》及其他有關法律、法規的規定，制定本規定。

These effects have been confirmed in highly sensitive experiments , and relativity is now a basic , everyday tool of experimental physics : particle colpders take advantage of the increase in mass and pfetime of fast particles ; experiments with radioactive isotopes depend on the conversion of mass into energy
這些效應已經由高靈敏度的實驗證實，而且相對論現在已成為實驗物理學基本的日常工具：粒子對撞機利用增加快速粒子的質量與生命期來進行實驗；放射性同位素的實驗則依靠質量轉變成能量。

After 40 hour irradiation time , about 7 ci of radioactive isotope 64cu was produced via 63cu ( n , y ) 64cu reaction . after simple disposal , the irradiated copper sample was installed in the high - intesity ion sputter source on the hi - 13 tandem accelerator . then 64cu ions extracted from the high - intesity ion sputter source and injected into the tandem accelerator , 64cu ions can be accelerated to an energy of 80 mev and formed the off - pne rnb since natural
S ）的熱中于通量下，經過34個半衰期輻照，通過‘ u … ， y ）生成放射性l司位素‘ cll ，然后將放射性銅靶錐注入串列加速器強流濺射離于源中，引出mcll負離于，經刁串列加速器加速而得到能量為80mcv的離線放射性核束“ cll叭。