>>> 哲学 经济学 法学 教育学 文学 历史学 理学 工学 农学 医学 军事学 管理学 旅游学 文化学 特色库
搜索结果: 1-15 共查到1990s相关记录45条 . 查询时间(0.062 秒)
印度夏季风(ISM)爆发通常发生于2024年5月末到6月初,标志着印度雨季的来临,具有很强的年际变率。ISM爆发的早晚对印度农业播种时间和夏季气候有重要影响。因此,许多研究者致力于寻找ISM爆发的影响因子,以提升对它的预测。以往的研究主要侧重于揭示影响ISM爆发的热带系统,例如厄尔尼诺-南方涛动、热带季节内振荡等。
“坐地日行八万里”,描绘的是世人周知的我们所处的地球每日相对于地轴的自转。但少有人知道,地球的瞬时自转轴相对于地球本体的位置, 称为地极移动,简称极移,其实也在不停的运动。日月引力造成的海潮和大地变形、洋流、风、大气压变化、陆地水储量变化、冰川消融、地震和洋底压力变化等等都会引起极移。科学研究发现,极移一方面以周年和钱德勒周期跳着“圆舞曲”,一方面也在朝一个方向莲步轻移。一直以来,极移漂移的方向基...
Price Stabilization in the 1990s: A Summary.
Macroeconomic Policy and Unemployment in the 1990s.
This paper reviews Nigeria's population policy which was adopted during the first quarter of 1988. The policy has been adopted at a time of social and economic stress. The policy document is divided i...
To help examine the recent downturn in school completion rates in Australia this report makes use of two sources of data. The first is from the Schools Australia series published by the Australian Bur...
This report examines changes in the extent, pattern and outcomes of participation in firm-based education and training by young Australians. It compares results for the mid-1990s from the Australian Y...
The article presents an analysis of 2008 economic and financial condition of commercial real estate in the U.S. similar to that in the 1980s and early 1990s. It identifies the similarity and differenc...
This paper suggests new federal policies towards state and local economic development assistance to business. I argue that there is some evidence that these programs can be effective in encouraging bu...
Context: Publicly funded family planning clinics are a vital source of contraceptive and reproductive health care for millions of U.S. women. It is important periodically to assess the number and type...
The paper aims at deriving lessons for macroeconomic policy in developing countries in response to heavy temporary capital inflows as witnessed in the early 1990s. First, after spelling out the major ...
We present ozone measurements of the Global Atmospheric Sampling Program (GASP) performed from four commercial and one research aircraft in the late 1970s to compare them with respective measurements ...
Marine meteorological conditions and air-sea exchange processes over the northern Baltic Sea were studied using data from three open-sea lighthouse meteorological stations and the R/V Aranda automati...
This paper reported a dramatic channel incision (>10 m in the deepest cut) during the past 10 y or so in the lower Pearl River, the second largest river in terms of water discharge in China. The chan...
This paper aims at understanding the social and political uses of the principle of integrated management and its possible impacts on the elaboration and implementation processes of public policies in ...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...