Xiuqiang Liu

4 Questions 2 Answers 0 Followers

Questions related from Xiuqiang Liu

How to calculate the permeability coefficients of rock fractures in falling head test method?

I drilled a lot of holes in the limestone in the karst area, took out the rock cores , did the falling head test in the holes, measured the width of the fractures, and wanted to calculate the...

20 September 2022 4,394 0 View

What will be the impact of COVID-19 on global climate change and ecology?

Due to the impact of COVID-19 , people's lifestyle has changed, human activities such as transportation, catering, tourism, industry, manufacturing, agriculture and so on have been limited, the...

12 May 2020 3,222 15 View

TDR method is used to measure soil water content. If it is saline soil, how to correct it?

TDR method monitors soil moisture by measuring the transmission time of electromagnetic pulse in soil medium. When measuring soils with high organic carbon content and especially high or low...

30 September 2019 6,714 3 View

How does COVID-19 affect global climate change?

In many countries, air and rail transportation is interrupted. The isolation measures lead to the decrease of road traffic utilization and the production of factories. The result is reduced carbon...

01 January 1970 904 10 View