Research on Interaction Design Based on User Perceived Needs

1-8

Liangliang Gu, Alfred Mugambi Mariga, Xiwen Xu

Research on Remediation of Soil Organic Pollution by Fenton-like Oxidation Technology

9-12

Yuhu Luo, Na Wang

The Innovation Transformation of Traditional Retail Enterprises in the Background of "New Retail" Explores--Take "Suning" as an Example

13-18

Yu Fang, Hongda Gao, Maorong Chen

Study on the current situation of cultivated land quality in Shaanxi Province

19-23

He Jing

On Controlling Hareholder's Equity Pledge Risk and Preventive Measures

24-30

Pinghua Zhou, Zhenyuan Gao

Smart Agriculture helps Rural Revitalization

31-34

Xin Zhang, Na Wang

Current situation of investment and financial management for college students

35-40

Yujie Xu, Yajuan Xi, Tianxiao Liu, Jingyi Luo and Xiao Ren

Determination of trace Mercury in Amylase by Atomic Fluorescence Spectrometry

41-45

Risheng Li

An Empirical Study on the Systemic Risk Spillover Effect of Listed Securities Companies During the Epidemic

46-59

Shaokang Zhang, Deyu Li

Breakthrough and innovation of new employment model from the perspective of promoting employment-- takes APP as an example

60-71

Xueli Ren, Shiwei Zhang, Yuntian Yuan, Weihao He and Xiangzhe Xing

To study the current status quo and strategic choice of "time-honored" catering enterprises in the post-epidemic era--Take Anhui Province for example

72-80

Xinye Cai