中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页
机构
成果
学者
登录
注册
登陆
×
验证码:
换一张
忘记密码?
记住我
×
校外用户登录
CAS IR Grid
机构
地理科学与资源研究所 [4]
寒区旱区环境与工程研... [2]
过程工程研究所 [2]
自然科学史研究所 [1]
国家空间科学中心 [1]
理论物理研究所 [1]
更多
采集方式
OAI收割 [10]
iSwitch采集 [2]
内容类型
期刊论文 [10]
SCI/SSCI论文 [1]
会议论文 [1]
发表日期
2024 [1]
2023 [1]
2021 [2]
2017 [1]
2016 [1]
2011 [1]
更多
学科主题
Geography [1]
Physics [1]
筛选
浏览/检索结果:
共12条,第1-10条
帮助
条数/页:
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
排序方式:
请选择
题名升序
题名降序
提交时间升序
提交时间降序
作者升序
作者降序
发表日期升序
发表日期降序
The relationship between interannual dry/wet changes and nomadic wars in the Hexi Corridor region of China during the period 241-1912 AD
期刊论文
OAI收割
SCIENCE CHINA-EARTH SCIENCES, 2024, 卷号: N/A
作者:
Tang, Fei
;
Shi, Zhilin
;
Tian, Qinhua
;
Du, Xiaogang
;
Zhang, Yong
  |  
收藏
  |  
浏览/下载:19/0
  |  
提交时间:2024/06/17
Drought
Interannual dry and wet variations
War
The Hexi Corridor
Tree ring
Nomadic groups
The possibilities of internationalism: Producing traveling geographies in a time of trouble
期刊论文
OAI收割
DIALOGUES IN HUMAN GEOGRAPHY, 2023
作者:
Cheng, Han
  |  
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2023/07/14
critical Chinese geographies
international research
new cold war
sinophobia
positionality
transnationalism
The Global South political economy of health financing and spending landscape - history and presence
期刊论文
OAI收割
JOURNAL OF MEDICAL ECONOMICS, 2021, 卷号: 24, 页码: 25-33
作者:
Jakovljevic, Mihajlo
;
Liu, Yansui
;
Cerda, Arcadio
;
Simonyan, Marta
;
Correia, Tiago
  |  
收藏
  |  
浏览/下载:31/0
  |  
提交时间:2022/09/21
Global South
health financing
political economy
health expenditure
LMICs
Asia
China
India
Asean
BRICS
emerging markets
history
modernity
developing world
Russia
economic history
GDP
economic growth
Colonial Era
Cold War
health spending
NCDs
aging population
China's Detonation-driven Shock Tube Wind Tunnels: A Case Study of Transnational Science in Aeronautics during the Cold War
期刊论文
OAI收割
EAST ASIAN SCIENCE TECHNOLOGY AND SOCIETY-AN INTERNATIONAL JOURNAL, 2021, 页码: 28
作者:
Zhihu, Zhang
;
Seely, Bruce E.
  |  
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2022/07/01
Shock tubes
wind tunnels
China
international collaboration
technology transfer
research & development
aerospace technology
Cold War
Characteristics of convective structures of sodium layer in lower thermosphere (105-120 km) at Haikou (19.9 degrees N, 110.34 degrees E), China
期刊论文
OAI收割
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS, 2017, 卷号: 164, 页码: 132-141
作者:
Jiao, Jing
;
Yang, Guotao
;
Wang, Jihong
;
Zhang, Tiemin
;
Peng, Hongyan
  |  
收藏
  |  
浏览/下载:28/0
  |  
提交时间:2018/02/28
Low-latitude Ionosphere
Lower Thermosphere
Sodium Layer
War
Re-interpretation of the classical geopolitical theories in a critical geopolitical perspective
SCI/SSCI论文
OAI收割
2016
作者:
Hu Z. D.
;
Lu, D. D.
  |  
收藏
  |  
浏览/下载:25/0
  |  
提交时间:2017/11/09
critical geopolitics
geopolitics
national organism theory
sea power
theory
land power theory
edge district theory
political-geography
states
terror
war
Analysis of zenith pass problem in a roll-pitch optics seeker (EI CONFERENCE)
会议论文
OAI收割
2011 International Conference on Electronics and Optoelectronics, ICEOE 2011, July 29, 2011 - July 31, 2011, Dalian, China
作者:
Jiang H.
收藏
  |  
浏览/下载:30/0
  |  
提交时间:2013/03/25
There are mainly two kind of structures for a missile two-axes seeker
which is always mentioned as elevate-azimuth and roll-pitch. The elevate-azimuth structured seeker has been studied for a long time
and it is applied in all sort of missiles. Not only structure design but also control algorithm of the elevate-azimuth seeker are deeply developed. But for elevate-azimuth seeker there are several disadvantages such as big size and large abaxial angle blind. So the elevate-azimuth seeker gimbal angle is designed up to 65 according to relative references. In modern air war
it is important for a missile to have the ability of "first recognize" and "first attack". That means the air to air missile seeker is required to be a system with large gimbal angle and large abaxial launch angle. With the mentioned requirement
roll-pitch seeker with its advantages smart size and large gimbal angle is studied widely and deeply. The pitch angle of roll-pitch is up to 90 while its roll angle up to n 360. But there are also some disadvantages for the roll-pitch seeker
the most troublesome one is the zenith pass problem. The zenith pass problem is brought about from the gimbal kinematics
it is said that when target moves in the center of image plane
roll servo command gotten from the kinematics algorithm will go to infinite. Math model of zenith pass problem is proposed in this paper and two ways to solve the problem are brought forward. 2011 IEEE.
Force-velocity relations for multiple-molecular-motor transport
期刊论文
OAI收割
PHYSICAL REVIEW E, 2009, 卷号: 80, 期号: 4, 页码: -
作者:
Wang, Ziqing
;
Li, Ming
;
Wang, ZQ , NW A&F Univ, Coll Sci, Yangling 712100, Shaanxi, Peoples R China
  |  
收藏
  |  
浏览/下载:26/0
  |  
提交时间:2012/08/02
Tug-of-war
Cargo Transport
Cytoplasmic Dynein
Kinesin Molecules
Movement
Mechanism
Number
Cycle
Model
Environmental impact assessment of chemical process using the green degree method
期刊论文
OAI收割
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2008, 卷号: 47, 期号: 4, 页码: 1085-1094
作者:
Zhang, Xiangping
;
Li, Chunshan
;
Fu, Chao
;
Zhang, Suojiang
收藏
  |  
浏览/下载:31/0
  |  
提交时间:2013/10/08
reduction war algorithm
mass-exchange networks
waste minimization
process industries
pollution prevention
process routes
design
constraints
integration
framework
Global climate change, war, and population decline in recent human history
期刊论文
iSwitch采集
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2007, 卷号: 104, 期号: 49, 页码: 19214-19219
作者:
Zhang, David D.
;
Brecke, Peter
;
Lee, Harry F.
;
He, Yuan-Qing
;
Zhang, Jane
收藏
  |  
浏览/下载:26/0
  |  
提交时间:2019/10/08
agricultural production
population collapse
price
war-peace cycles
preindustrial era