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Trade-Offs and Synergies between Plant Species Diversity and Water Retention Capacity of Pinus massoniana Plantation Community in Danjiangkou Reservoir Area
Pinus massoniana plantation plant species diversity trade-off synergistic ecosystem service Danjiangkou reservoir area
2023/11/22
In order to quantify the plant species diversity characteristics of Pinus massoniana plantations with different stand densities in the Danjiangkou reservoir area of Hubei Province and the relationship...
Trade-Offs for Climate-Smart Forestry in Europe Under Uncertain Future Climate
forest management climate change mitigation substitution effects climate-smart forestry ecosystem services robust optimization
2023/11/20
Forests mitigate climate change by storing carbon and reducing emissions via substitution effects of wood products. Additionally, they provide many other important ecosystem services (ESs), but are vu...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Impacts of trade conflicts on the energy sector
贸易冲突 能源部门 影响 能源
2023/4/19
We use a multi-country input-output model to simulate the impacts of China-U.S. trade conflict on the energy sector. Our empirical results indicate that both China and the U.S. suffer from the conflic...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：A decomposition of pollution intensity in China's value-added trade
中国 增值贸易 污染强度 分解
2023/4/24
Based on a multi-regional input-output model, this study explores the temporal changes and driving forces of China's environmental losses relative to its economic gains from international trade with e...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Firm size and emissions embodied in trade
贸易 企业规模 排放量 绿色经济转型
2023/4/24
To export cleaner has been one important assignment of China's transformation to a green economy. Although China's emissions embodied in exports have been extensively studied, one often neglected aspe...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Tension of Agricultural Land and Water Use in China's Trade: Tele-Connections, Hidden Drivers, and Potential Solutions
中国贸易 农业用地 用水 紧张关系 远程连接 驱动因素 解决方案
2023/4/24
Interregional trade can potentially extend the management of scarce resources beyond a region's territory along supply chains. Here we combined the multiregional input-output model with structural dec...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Research on Port Cities' Transportation System and Trade Flows in China
中国港口城市 交通系统 贸易流动
2023/5/5
This paper quantitatively investigates the effect of transportation system on trade flows of four major port cities in China. Due to the significant country-pair heterogeneities in both intercept and ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：International trade and Covid-19: City-level evidence from China's lockdown policy
国际贸易 新冠肺炎 中国封锁政策 城市证据
2023/5/16
We examines the impact of Covid-19 lockdowns on exports by Chinese cities. We use city-level export data at a monthly frequency from January 2018 through April 2020. Differences-in-differences estimat...
As China-US trade talks back to ‘normal,’ analysts call for tariff removal（图）
trade talks normal tariff removal
2021/7/26
China's Ministry of Commerce (MOFCOM) said on Thursday that China and the US have started "normal communication" in the economic and trade fields, and will work together to solve "specific problems" i...
our association has established itself as a strong organization that serves to represent all members in the Asian food trade industry. The new board members and I are committed to break new ground wit...
A long-distance connection:Polar climate affects trade wind strength in tropics（图）
long-distance connection Polar climate trade wind strength tropics
2020/12/11
It has long been recognized that variations in sea surface temperature in the tropical Pacific affect global climate. The episodic warming of the tropical Pacific during El Niño events causes the...
Size-selective fishing results in trade-offs between fishery yield, reproductive capacity（图）
Size-selective fishing results fishery yield reproductive capacity
2020/3/20
How people fish matters as much as the quantity they’ve harvested, say University of Maine researchers Kara Pellowe and Heather Leslie.Their study in Ecosphere details the impacts of size-selective fi...
2019年11月26日上午，英国斯旺西大学法学院Tabetha Kurtz-Shefford教授为我院师生带来一场题为“International Sales Contracts——An English (& Welsh!) Perspective”（国际销售合同——从英国和威尔士的角度）的讲座。讲座由南京师范大学法学院郑玲丽副教授主持，外事秘书於海梅老师和本硕部分学生出席此次讲座。
广东工业大学自动化学院国际贸易实务电子课件Unit 4 Trade terms。
Tight Time-Memory Trade-offs for Symmetric Encryption
provable security time-memory trade-offs
2019/3/6
Concrete security proofs give upper bounds on the attacker's advantage as a function of its time/query complexity. Cryptanalysis suggests however that other resource limitations - most notably, the at...