People should keep away from the radioactive waste.

人们应射性废物。

There is a danger of serious contamination from radioactive waste.

射性废弃物有严重污染危险。

Tritium is one of the mildest radioactive isotopes.

氚是辐射最和缓射性同位素之一。

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

钫是碱金属中密度最大,具有射性。

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

但是，听清楚了—我们怎么知道射性原子不衰老？

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

甲醛、苯、氨气和射性污染超标已经严重影响了人们健康。

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、射性同位素地球学和稳定同位素地球学。

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

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

Polluted water contains contaminants.

被污染水中含有射性污染。

Objective To develop a mouse model of premature ovarian failure (POF) by chemical treatment or radiotreatment.

目 探讨用学药物及射性处理，建立小鼠卵巢早衰动物模型方法。

27 PBq of radioactive material.

27个1015底夸克射性物质。

Documents leaked to this newspaper purport to reveal that radioactive waste is being illegally dumped on the site.

透露给报纸文件声称是揭露射性废料正被非法倾倒到此地一事。

Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium, etc.

自那以后发现射性元素有：锄、射性钍和新针、，等等。

Monoclonal antibody agents can be obtained by coupling the chemotherapy agents, radioactive materials, biotoxin and monoclonal antibody.

将疗药物、射性物质以及生物毒素等与单克隆抗体偶联就得到单克隆类药物。

A series of tracer experiments using P32 as a tagger and the radioautography had been carried out.

应用P32射性同位素进行示踪试验和鱼体射自显影,证实白鲫鱼种可以摄食和消利用水绵。

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，必须用一种非射性染料给孩子直肠染色。

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

两组中、重度射性口腔粘膜炎发生率差异有显著性。

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

目评价直肠癌病人术前淋巴管造影和射性核素淋巴显像临床价值。

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

研究表明，穆家庄铜矿矿石铅和近矿围岩岩石铅具有极高射性成因铅特点。

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，是人造岩石固高射性废弃物较理想基材之一。

People should keep away from the radioactive waste.

人们应远离放射性废物。

There is a danger of serious contamination from radioactive waste.

放射性废弃物有严重污染危险。

Tritium is one of the mildest radioactive isotopes.

氚是辐射最和缓放射性同位素之一。

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

钫是碱金属中密度最,有放射性。

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？

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标已经严重影响了人们健康。

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、放射性同位素地球学和稳定同位素地球学。

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

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

Polluted water contains contaminants.

被污染水中含有放射性污染。

Objective To develop a mouse model of premature ovarian failure (POF) by chemical treatment or radiotreatment.

目 探讨用学药物及放射性处理，建立小鼠卵巢早衰动物模型方法。

27 PBq of radioactive material.

271015夸克放射性物质。

Documents leaked to this newspaper purport to reveal that radioactive waste is being illegally dumped on the site.

透露给报纸文件声称是揭露放射性废料正被非法倾倒到此地一事。

Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium, etc.

自那以后发现其他放射性元素有：锄、射性钍和新针、，等等。

Monoclonal antibody agents can be obtained by coupling the chemotherapy agents, radioactive materials, biotoxin and monoclonal antibody.

将疗药物、放射性物质以及生物毒素等与单克隆抗体偶联就得到单克隆类药物。

A series of tracer experiments using P32 as a tagger and the radioautography had been carried out.

应用P32放射性同位素进行示踪试验和鱼体放射自显影,证实白鲫鱼种可以摄食和消利用水绵。

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。

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。

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

目评价直肠癌病人术前淋巴管造影和放射性核素淋巴显像临床价值。

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

研究表明，穆家庄铜矿矿石铅和近矿围岩岩石铅有极高放射性成因铅特点。

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，是人造岩石固高放射性废弃物较理想基材之一。

People should keep away from the radioactive waste.

人们应远离射性。

There is a danger of serious contamination from radioactive waste.

射性弃有严重污染的危险。

Tritium is one of the mildest radioactive isotopes.

氚是辐射最和缓的射性同位素之一。

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

钫是碱金属中密度最大的,具有射性。

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

但是，听清楚了—我们怎么知道射性原子不衰老？

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

甲醛、苯、氨气和射性污染超标已经严重影响了人们的健康。

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、射性同位素地球学和稳定同位素地球学。

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

目的研究偏二甲基肼急性中毒时大鼠γ氨基丁酸(GABA)受体的变。方法射性配体结合试验。

Polluted water contains contaminants.

被污染的水中含有射性污染。

Objective To develop a mouse model of premature ovarian failure (POF) by chemical treatment or radiotreatment.

目的 探讨用学药及射性处理，建立小鼠卵巢早衰动模型的方法。

27 PBq of radioactive material.

27个1015底夸克的射性质。

Documents leaked to this newspaper purport to reveal that radioactive waste is being illegally dumped on the site.

透露给报纸的文件声称是揭露射性料正被非法倾倒到此地一事。

Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium, etc.

自发现的其他射性元素有：锄、射性钍和新针、，等等。

Monoclonal antibody agents can be obtained by coupling the chemotherapy agents, radioactive materials, biotoxin and monoclonal antibody.

将疗药、射性质及生毒素等与单克隆抗体偶联就得到单克隆类药。

A series of tracer experiments using P32 as a tagger and the radioautography had been carried out.

应用P32射性同位素进行示踪试验和鱼体射自显影,证实白鲫鱼种可摄食和消利用水绵。

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，必须用一种非射性的染料给孩子的直肠染色。

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

两组中、重度射性口腔粘膜炎发生率差异有显著性。

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

目的评价直肠癌病人术前淋巴管造影和射性核素淋巴显像的临床价值。

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

研究表明，穆家庄铜矿矿石铅和近矿围岩岩石铅具有极高的射性成因铅特点。

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，是人造岩石固高射性弃较理想的基材之一。

People should keep away from the radioactive waste.

人们应远离性废。

There is a danger of serious contamination from radioactive waste.

性废弃有严重污染的危险。

Tritium is one of the mildest radioactive isotopes.

氚是辐最和缓的性同位素之一。

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

钫是碱金属中密度最大的,具有性。

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

但是，听清楚了—我们怎么知道性原子不衰老？

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

甲醛、苯、氨气和性污染超标已经严重影响了人们的健康。

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、性同位素地球学和稳定同位素地球学。

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

目的研究偏二甲基肼急性中毒时大鼠γ氨基丁酸(GABA)受体的变。方法性配体结合试验。

Polluted water contains contaminants.

被污染的水中含有性污染。

Objective To develop a mouse model of premature ovarian failure (POF) by chemical treatment or radiotreatment.

目的 探讨用学药及性处理，建立小鼠卵巢早衰动模型的方法。

27 PBq of radioactive material.

27个1015底夸克的性质。

Documents leaked to this newspaper purport to reveal that radioactive waste is being illegally dumped on the site.

透露给报纸的文件声称是揭露性废料正被非法倾倒到此地一事。

Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium, etc.

后发现的其他性元素有：锄、性钍和新针、，等等。

Monoclonal antibody agents can be obtained by coupling the chemotherapy agents, radioactive materials, biotoxin and monoclonal antibody.

将疗药、性质及生毒素等与单克隆抗体偶联就得到单克隆类药。

A series of tracer experiments using P32 as a tagger and the radioautography had been carried out.

应用P32性同位素进行示踪试验和鱼体显影,证实白鲫鱼种可摄食和消利用水绵。

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

在做CAT线之前，必须用一种非性的染料给孩子的直肠染色。

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

两组中、重度性口腔粘膜炎发生率差异有显著性。

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

目的评价直肠癌病人术前淋巴管造影和性核素淋巴显像的临床价值。

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

研究表明，穆家庄铜矿矿石铅和近矿围岩岩石铅具有极高的性成因铅特点。

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，是人造岩石固高性废弃较理想的基材之一。

People should keep away from the radioactive waste.

人们应远离放射性废物。

There is a danger of serious contamination from radioactive waste.

放射性废弃物有严的危险。

Tritium is one of the mildest radioactive isotopes.

氚是辐射最和缓的放射性同位素之一。

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

钫是碱金属中密度最大的,具有放射性。

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？

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

甲醛、苯、氨气和放射性超标已经严影响了人们的健康。

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、放射性同位素地球学和稳定同位素地球学。

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

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

Polluted water contains contaminants.

被的水中含有放射性。

Objective To develop a mouse model of premature ovarian failure (POF) by chemical treatment or radiotreatment.

目的 探讨用学药物及放射性处理，建立小鼠卵巢早衰动物模型的方法。

27 PBq of radioactive material.

27个1015底夸克的放射性物质。

Documents leaked to this newspaper purport to reveal that radioactive waste is being illegally dumped on the site.

透露给报纸的文件声称是揭露放射性废料正被法倒到此地一事。

Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium, etc.

自那以后发现的其他放射性元素有：锄、射性钍和新针、，等等。

Monoclonal antibody agents can be obtained by coupling the chemotherapy agents, radioactive materials, biotoxin and monoclonal antibody.

将疗药物、放射性物质以及生物毒素等与单克隆抗体偶联就得到单克隆类药物。

A series of tracer experiments using P32 as a tagger and the radioautography had been carried out.

应用P32放射性同位素进行示踪试验和鱼体放射自显影,证实白鲫鱼种可以摄食和消利用水绵。

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，必须用一种放射性的料给孩子的直肠色。

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

两组中、度放射性口腔粘膜炎发生率差异有显著性。

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

目的评价直肠癌病人术前淋巴管造影和放射性核素淋巴显像的临床价值。

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

研究表明，穆家庄铜矿矿石铅和近矿围岩岩石铅具有极高的放射性成因铅特点。

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，是人造岩石固高放射性废弃物较理想的基材之一。

People should keep away from the radioactive waste.

人们应远离性废物。

There is a danger of serious contamination from radioactive waste.

性废弃物有严重污染危险。

Tritium is one of the mildest radioactive isotopes.

氚是辐最和缓性同位素之一。

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

钫是碱金度最大,具有性。

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

但是，听清楚了—我们怎么知道性原子不衰老？

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

甲醛、苯、氨气和性污染超标已经严重影响了人们健康。

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、性同位素地球学和稳定同位素地球学。

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

目研究偏二甲基肼急性毒时大鼠γ氨基丁酸(GABA)受体变。方法性配体结合试验。

Polluted water contains contaminants.

被污染水含有性污染。

Objective To develop a mouse model of premature ovarian failure (POF) by chemical treatment or radiotreatment.

目 探讨用学药物及性处理，建立小鼠卵巢早衰动物模型方法。

27 PBq of radioactive material.

27个1015底夸克性物质。

Documents leaked to this newspaper purport to reveal that radioactive waste is being illegally dumped on the site.

透露给报纸文件声称是揭露性废料正被非法倾倒到此地一事。

Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium, etc.

自那以后发现其他性元素有：锄、性钍和新针、，等等。

Monoclonal antibody agents can be obtained by coupling the chemotherapy agents, radioactive materials, biotoxin and monoclonal antibody.

将疗药物、性物质以及生物毒素等与单克隆抗体偶联就得到单克隆类药物。

A series of tracer experiments using P32 as a tagger and the radioautography had been carried out.

应用P32性同位素进行示踪试验和鱼体自显影,证实白鲫鱼种可以摄食和消利用水绵。

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

在做CAT线之前，必须用一种非性染料给孩子直肠染色。

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

两组、重度性口腔粘膜炎发生率差异有显著性。

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

目评价直肠癌病人术前淋巴管造影和性核素淋巴显像临床价值。

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

研究表明，穆家庄铜矿矿石铅和近矿围岩岩石铅具有极高性成因铅特点。

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，是人造岩石固高性废弃物较理想基材之一。

People should keep away from the radioactive waste.

人们应远离放射性废物。

There is a danger of serious contamination from radioactive waste.

放射性废弃物有严重污染危险。

Tritium is one of the mildest radioactive isotopes.

氚是辐射最和缓放射性同位素之一。

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。

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？

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

甲醛、、和放射性污染超标已经严重影响了人们健康。

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、放射性同位素地球学和稳定同位素地球学。

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

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

Polluted water contains contaminants.

被污染水中含有放射性污染。

Objective To develop a mouse model of premature ovarian failure (POF) by chemical treatment or radiotreatment.

讨用学药物及放射性处理，建立小鼠卵巢早衰动物模型方法。

27 PBq of radioactive material.

27个1015底夸克放射性物质。

Documents leaked to this newspaper purport to reveal that radioactive waste is being illegally dumped on the site.

透露给报纸文件声称是揭露放射性废料正被非法倾倒到此地一事。

Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium, etc.

自那以后发现其他放射性元素有：锄、射性钍和新针、，等等。

Monoclonal antibody agents can be obtained by coupling the chemotherapy agents, radioactive materials, biotoxin and monoclonal antibody.

将疗药物、放射性物质以及生物毒素等与单克隆抗体偶联就得到单克隆类药物。

A series of tracer experiments using P32 as a tagger and the radioautography had been carried out.

应用P32放射性同位素进行示踪试验和鱼体放射自显影,证实白鲫鱼种可以摄食和消利用水绵。

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。

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。

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

评价直肠癌病人术前淋巴管造影和放射性核素淋巴显像临床价值。

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

研究表明，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。

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，是人造岩石固高放射性废弃物较理想基材之一。

People should keep away from the radioactive waste.

人们应远离射废。

There is a danger of serious contamination from radioactive waste.

射废弃有严重污染的危险。

Tritium is one of the mildest radioactive isotopes.

氚是辐射最和缓的射同位素之一。

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

钫是碱金属中密度最大的,具有射。

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

但是，听清楚了—我们怎么知道射不衰老？

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

甲醛、苯、氨气和射污染超标已经严重影响了人们的健康。

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、射同位素地球学和稳定同位素地球学。

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

目的研究偏二甲基肼急中毒时大鼠γ氨基丁酸(GABA)受体的变。方法射配体结合试验。

Polluted water contains contaminants.

被污染的水中含有射污染。

Objective To develop a mouse model of premature ovarian failure (POF) by chemical treatment or radiotreatment.

目的 探讨用学药射处理，建立小鼠卵巢早衰动模型的方法。

27 PBq of radioactive material.

27个1015底夸克的射质。

Documents leaked to this newspaper purport to reveal that radioactive waste is being illegally dumped on the site.

透露给报纸的文件声称是揭露射废料正被非法倾倒到此地一事。

Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium, etc.

自那以后发现的其他射元素有：锄、射钍和新针、，等等。

Monoclonal antibody agents can be obtained by coupling the chemotherapy agents, radioactive materials, biotoxin and monoclonal antibody.

将疗药、射质以生毒素等与单克隆抗体偶联就得到单克隆类药。

A series of tracer experiments using P32 as a tagger and the radioautography had been carried out.

应用P32射同位素进行示踪试验和鱼体射自显影,证实白鲫鱼种可以摄食和消利用水绵。

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，必须用一种非射的染料给孩的直肠染色。

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

两组中、重度射口腔粘膜炎发生率差异有显著。

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

目的评价直肠癌病人术前淋巴管造影和射核素淋巴显像的临床价值。

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

研究表明，穆家庄铜矿矿石铅和近矿围岩岩石铅具有极高的射成因铅特点。

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，是人造岩石固高射废弃较理想的基材之一。

People should keep away from the radioactive waste.

人们应远离放射性废物。

There is a danger of serious contamination from radioactive waste.

放射性废弃物有严重污染的危险。

Tritium is one of the mildest radioactive isotopes.

氚是辐射最和缓的放射性同一。

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

钫是碱金属中密度最大的,具有放射性。

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？

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标已经严重影响了人们的健康。

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、放射性同地球学和稳定同地球学。

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

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

Polluted water contains contaminants.

被污染的水中含有放射性污染。

Objective To develop a mouse model of premature ovarian failure (POF) by chemical treatment or radiotreatment.

目的 探讨用学药物及放射性处理，建立小鼠卵巢早衰动物模型的方法。

27 PBq of radioactive material.

27个1015底夸克的放射性物质。

Documents leaked to this newspaper purport to reveal that radioactive waste is being illegally dumped on the site.

透露的文件声称是揭露放射性废料正被非法倾倒到此地一事。

Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium, etc.

自那以后发现的其他放射性元有：锄、射性钍和新针、，等等。

Monoclonal antibody agents can be obtained by coupling the chemotherapy agents, radioactive materials, biotoxin and monoclonal antibody.

将疗药物、放射性物质以及生物毒等与单克隆抗体偶联就得到单克隆类药物。

A series of tracer experiments using P32 as a tagger and the radioautography had been carried out.

应用P32放射性同进行示踪试验和鱼体放射自显影,证实白鲫鱼种可以摄食和消利用水绵。

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

在做CAT射线前，必须用一种非放射性的染料孩子的直肠染色。

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。

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

目的评价直肠癌病人术前淋巴管造影和放射性核淋巴显像的临床价值。

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

研究表明，穆家庄铜矿矿石铅和近矿围岩岩石铅具有极高的放射性成因铅特点。

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，是人造岩石固高放射性废弃物较理想的基材一。