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期刊论文 [49]
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Effects of two typical revegetation methods on soil moisture in the semi-arid Loess Plateau, China
期刊论文
HYDROLOGY RESEARCH, 2019, 卷号: 50, 期号: 5, 页码: 1453-1462
作者:
Zhao, Qian
;
Yang, Lei
;
Wang, Xin
;
Bi, Runcheng
;
Zhang, Qindi
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2020/09/09
in situ vegetation removal experiment
introduced revegetation
log response ratio
natural revegetation
soil moisture content
Characteristics of acoustic response from simulated impulsive lightning current discharge
期刊论文
HIGH VOLTAGE, 2019, 卷号: 4, 期号: 3
作者:
Wang, Jianguo
;
Cao, Jinxin
;
Cai, Li
;
Fan, Yadong
;
Zhou, Mi
收藏
  |  
浏览/下载:25/0
  |  
提交时间:2019/12/05
thunderstorms
lightning protection
lightning
acoustic response
simulated impulsive lightning current discharge
laboratory simulated lightning discharge
acoustic observation experiment
impulsive current generation system
response sound pressure
simulated lightning current
acoustic amplitude
discharging amplitudes
observing distance
response acoustic characteristics
subsequent current peaks
electrical pulses
acoustic pulses
lightning current
natural thunderstorm environment
time 8
0 mus
time 20
0 mus
On the Velocity-Current Relation of Positive Leader Discharges
期刊论文
GEOPHYSICAL RESEARCH LETTERS, 2019, 卷号: 46, 期号: 1
作者:
Zhao, X.
;
Liu, L.
;
Wang, X.
;
Qu, L.
;
Jia, L.
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2019/12/05
positive leader discharge
leader velocity
leader current
natural lightning
high-voltage experiment
numerical simulation
Experimental studies on a natural gas liquefaction process operating with mixed refrigerants and a rectifying column
期刊论文
Cryogenics, 2019, 卷号: Vol.99, 页码: 7-17
作者:
Qin Wang
;
Qi Song
;
Jingpeng Zhang
;
Rui Liu
;
Shaozhi Zhang
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2019/12/17
Mixed refrigerant
Natural gas
Liquefaction
Rectifying column
Experiment
Experimental studies on a natural gas liquefaction process operating with mixed refrigerants and a rectifying column
期刊论文
Cryogenics, 2019
作者:
Qin Wang
;
Qi Song
;
Jingpeng Zhang
;
Rui Liu
;
Shaozhi Zhang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2019/12/17
Mixed
refrigerant
Natural
gas
Liquefaction
Rectifying
column
Experiment
Effects of Smart City Policies on Green Total Factor Productivity: Evidence from a Quasi-Natural Experiment in China
期刊论文
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH, 2019, 卷号: 16, 期号: 13
作者:
Xin, Baogui
;
Qu, Yongmei
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2019/12/11
smart city
green total factor productivity
difference-in-differences
propensity score matching
quasi-natural experiment
Investigation of multiple hydraulic fractures evolution and well performance in lacustrine shale oil reservoirs considering stress heterogeneity
期刊论文
ENGINEERING FRACTURE MECHANICS, 2019, 卷号: 218
-
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2020/01/03
Shale oil
Physical simulation experiment
Less-developed natural fractures
Fracture propagation model
Embedded discrete fracture model
Breaking the "iron rice bowl:" Evidence of precautionary savings from the chinese state-owned enterprises reform
期刊论文
JOURNAL OF MONETARY ECONOMICS, 2018, 卷号: 94, 页码: 94-113
作者:
He, Hui
;
Huang, Feng
;
Liu, Zheng
;
Zhu, Dongming
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2019/08/22
Precautionary savings
China's SOE reform
Natural experiment
Self-selection bias
Difference-in-differences methods
WAGE SUBSIDIES AND THE LABOR SUPPLY OF OLDER PEOPLE: EVIDENCE FROM SINGAPORE'S WORKFARE INCOME SUPPLEMENT SCHEME
期刊论文
SINGAPORE ECONOMIC REVIEW, 2018, 卷号: 63, 页码: 1101-1139
作者:
Freire, Tiago
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2019/11/19
quasi-natural experiment
wage subsidy
Singapore
Labor supply
Natural Monopoly and Mixed Ownership Reform——Based on Natural Experiment and Cost Function Analysis Method
期刊论文
2018, 卷号: 13, 期号: 5, 页码: 60
作者:
陈林[1]
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2019/12/17
mixed
ownership
reform
natural
monopoly
cost
function
natural
experiment,difference-in-differences-in-differences(DDD)method
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