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

河势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.

原油生标志化合分布,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、离子强积分的方式,用多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.

势散乱且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、离子流强积分的方式,用多接收器热表面电离质谱计测量铀丰。

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.

原油生化合分布,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,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, 以硅丰占优势, 但与冷季相比, 暖季中和蓝丰明显上升。

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, 以硅门丰占优势, 但与冷季相比, 暖季门和蓝门丰明显上升。

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.

河势散乱且河床运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,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.

不同季植物丰差异小, 门丰占优势, 但与冷季相比, 暖季中甲门和蓝门丰明显上升。

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。