逆差和财赤双高“添堵”美国经济

美国日前公布的最新数据显示，4月份政府收入实现增长，但预算赤字继续扩大；3月份美国贸易逆差增长了28亿美元。贸易逆差和财政赤字的双高给美国经  (本文共1页) 阅读全文>>

Contemporary World

International Situation in 2021 and China Diplomacy

The international situation underwent profound evolution in 2021: unilateralism being on the rise, COVID pandemic spreading continuously, traditional hot spots refusing...  (本文共6页) 阅读全文>>

Journal of Integrative Agriculture

Reduced square Bacillus thuringiensis insecticidal protein content of transgenic cotton under N deficit

To clarify the effect of the N deficit on the amount of square Bt insecticidal protein, different N application rates(0, 75, 150, 225, and 300 kg ha–1) were imposed on the conventional cultivar Sikang 1(SK-1) and hybrid cultivar Sikang 3(SK-3) during 2015–2016 cotton growth seasons. Under different N application rates, the square number per plant, square volume and square dry weight reduced when the N rates decreased...  (本文共9页) 阅读全文>>

英语文摘

自然缺失症

根据Word Spy网站的讲解,nature-deficit disorder指的是 "A yearning for nature,or an ignorance of the natural world,cause...  (本文共1页) 阅读全文>>

Geodesy and Geodynamics

Kinematics of faults in Bengal Basin:Constraints from GPS measurements

The crustal deformation of Bengal Basin is constrained by motion on faults within the basin and those along the basin boundaries on all sides except the southern margin.Eocene Hinge Zone (EHZ),the most prominent structure within Bengal Basin,running through Kolkata-Ranaghat-Mymensingh,shows present day reactivation by hosting 8 earthquakes of magnitude 5.3 to 7.2 on or near its vicinity since 1906.Analysis of GPS der...  (本文共10页) 阅读全文>>

Beijing Review

NUMBERS

...  (本文共1页) 阅读全文>>