In the stream with strong bed load movement there is no benthic macroinvertebrate.

河势散乱且河床运动剧烈的支流物种丰和密均很低甚至为零，生态条件差。

Biological marks of the crude oil contain long lateral chain of tricyclic terpane, and the content of gammacerane is low.

原油生物标志化合物分布,见长侧链三环萜烷,但γ-蜡烷丰较低。

In the cool seasons, Navicula subminuscula, a eurythermal species, was the major dominant species, while warm water species increased rapidly with increasing air temperature.

不同季节浮游植物丰差异小, 硅藻门丰占优势, 但与冷季相比, 暖季中甲藻门和蓝藻门丰显上升。

Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.

采用全蒸发技术、离子流强积分的方式,用多接收器热表面电离质谱计测量铀同位素丰。

In the stream with strong bed load movement there is no benthic macroinvertebrate.

河势散乱且河床运动剧烈的支流物种丰和密均很低甚至为零，生态条件差。

Biological marks of the crude oil contain long lateral chain of tricyclic terpane, and the content of gammacerane is low.

原油生物标志化合物分布,见长侧链三,但γ-蜡丰较低。

In the cool seasons, Navicula subminuscula, a eurythermal species, was the major dominant species, while warm water species increased rapidly with increasing air temperature.

不同季节浮游植物丰差异小, 以硅藻门丰占优势, 但与冷季, 季中甲藻门和蓝藻门丰明显上升。

Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.

采用全蒸发技术、离子流强积分的方式,用多接收器热表面电离质谱计测量铀同位素丰。

In the stream with strong bed load movement there is no benthic macroinvertebrate.

河散乱且河床运动剧烈的支流物种和密均很低甚至为零，生态条件差。

Biological marks of the crude oil contain long lateral chain of tricyclic terpane, and the content of gammacerane is low.

原油生物标志化合物分布,见长侧链三环萜,γ-蜡较低。

In the cool seasons, Navicula subminuscula, a eurythermal species, was the major dominant species, while warm water species increased rapidly with increasing air temperature.

不同季节浮游植物差异小, 以硅藻门占优, 冷季相比, 暖季中甲藻门和蓝藻门明显上升。

Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.

采用全蒸发技术、离子流强积分的方式,用多接收器热表面电离质谱计测量铀同位素。

In the stream with strong bed load movement there is no benthic macroinvertebrate.

河势散乱且河床运动剧烈的支流物种丰密均很低甚至为零，生态条件差。

Biological marks of the crude oil contain long lateral chain of tricyclic terpane, and the content of gammacerane is low.

原油生物标志化合物,长侧链三环萜烷,但γ-蜡烷丰较低。

In the cool seasons, Navicula subminuscula, a eurythermal species, was the major dominant species, while warm water species increased rapidly with increasing air temperature.

不同季节浮游植物丰差异小, 以硅藻丰占优势, 但与冷季相比, 暖季中甲藻藻丰明显上升。

Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.

采用全蒸发技术、离子流强积的方式,用多接收器热表面电离质谱计测量铀同位素丰。

In the stream with strong bed load movement there is no benthic macroinvertebrate.

河势散乱且河床运动剧烈的支流物种丰和密甚至为零，生态条件差。

Biological marks of the crude oil contain long lateral chain of tricyclic terpane, and the content of gammacerane is low.

原油生物标志化合物分布,见长侧链三环萜烷,但γ-蜡烷丰较。

In the cool seasons, Navicula subminuscula, a eurythermal species, was the major dominant species, while warm water species increased rapidly with increasing air temperature.

不同季节浮游植物丰差异小, 以硅藻门丰占优势, 但与冷季相比, 暖季中甲藻门和蓝藻门丰明显上升。

Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.

采用全蒸发技术、离子流分的方式,用多接收器热表面电离质谱计测量铀同位素丰。

In the stream with strong bed load movement there is no benthic macroinvertebrate.

河势散乱且河床运动剧烈的支流和密均很低甚至为零，生态条件差。

Biological marks of the crude oil contain long lateral chain of tricyclic terpane, and the content of gammacerane is low.

原油生标志化合分布,见长侧链三环萜烷,但γ-蜡烷较低。

In the cool seasons, Navicula subminuscula, a eurythermal species, was the major dominant species, while warm water species increased rapidly with increasing air temperature.

不同季节浮游植差异小, 以硅藻门占优势, 但与冷季相比, 暖季中甲藻门和蓝藻门明显上升。

Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.

采全蒸发技术、离子流强积分的方式,收器热表面电离质谱计测量铀同位素。

In the stream with strong bed load movement there is no benthic macroinvertebrate.

河势散乱且河床运动剧烈的支流物种丰和密均很低甚至为零，生态条件差。

Biological marks of the crude oil contain long lateral chain of tricyclic terpane, and the content of gammacerane is low.

原油生物标志化合物分布,见长侧链三环萜烷,但γ-蜡烷丰较低。

In the cool seasons, Navicula subminuscula, a eurythermal species, was the major dominant species, while warm water species increased rapidly with increasing air temperature.

不同季节浮游植物丰差异小, 以硅藻门丰占优势, 但与冷季相比, 暖季中甲藻门和蓝藻门丰显上升。

Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.

采用全蒸发技术、离子流强积分的方式,用多接收器热表面电离质谱计测量铀同位素丰。

In the stream with strong bed load movement there is no benthic macroinvertebrate.

河势散乱且河床运动支流物种丰和密均很低甚至为零，生态条件差。

Biological marks of the crude oil contain long lateral chain of tricyclic terpane, and the content of gammacerane is low.

原油生物标志化合物分布,见长侧链三环萜烷,但γ-蜡烷丰较低。

In the cool seasons, Navicula subminuscula, a eurythermal species, was the major dominant species, while warm water species increased rapidly with increasing air temperature.

不同季节浮游植物丰差异小, 以硅藻门丰占优势, 但与冷季相比, 暖季中甲藻门和蓝藻门丰明显上升。

Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.

采用全蒸发技术、离子流强积分方式,用多接收器电离质谱计测量铀同位素丰。

In the stream with strong bed load movement there is no benthic macroinvertebrate.

河势散乱且河床运动剧烈的支流物种和密均很低甚至为零，生态条件差。

Biological marks of the crude oil contain long lateral chain of tricyclic terpane, and the content of gammacerane is low.

原油生物标志化合物分布,见长侧链三环萜烷,但γ-蜡烷较低。

In the cool seasons, Navicula subminuscula, a eurythermal species, was the major dominant species, while warm water species increased rapidly with increasing air temperature.

不同季节浮游植物差异小, 以硅藻门占优势, 但与冷季相比, 暖季中甲藻门和蓝藻门明显上升。

Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.

采用全蒸发技术、离子流强积分的方式,用多接收器热表面电离质谱计测量铀同位。