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科研机构
北京大学 [257]
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其他 [257]
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2017 [4]
2016 [21]
2015 [9]
2014 [10]
2013 [17]
2012 [30]
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共257条,第1-10条
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内容类型:其他
专题:北京大学
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LINEAR DAMPING OF ALFVEN WAVES BY PHASE MIXING
其他
2017-01-01
Ren, Siqi
;
Zhao, Weiren
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
linear damping
Alfven waves
incompressible MHD equations
MHD EQUATIONS
HYDRODYNAMIC STABILITY
ASYMPTOTIC STABILITY
MAGNETIC DIFFUSION
EULER EQUATIONS
2D EULER
EXISTENCE
DECAY
FIELD
Adiponectin and leptin as first trimester markers for gestational diabetes mellitus: a cohort study
其他
2017-01-01
Thagaard, Ida Naslund
;
Krebs, Lone
;
Holm, Jens-Christian
;
Lange, Theis
;
Larsen, Torben
;
Christiansen, Michael
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
adiponectin
body mass index
first trimester screeing
gestational diabetes mellitus
leptin
obesity
pregnancy trimester
BODY-MASS INDEX
RANDOMIZED CONTROLLED-TRIAL
MATERNAL SERUM LEPTIN
INSULIN-RESISTANCE
EARLY-PREGNANCY
METABOLIC SYNDROME
GLUCOSE-TOLERANCE
SUBSEQUENT RISK
2ND TRIMESTER
WOMEN
Dual-band perfect absorbers based on the magnetic resonance and the cavity resonance
其他
2017-01-01
Wang, Hongqing
;
Junbo, Yang
;
Wu, Wenjun
;
Huang, Jie
;
Zhang, Jingjing
;
Chen, Dingbo
;
Yan, Peng
;
Xiao, Gongli
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Perfect absorbers
metamaterial
single-band
dual-band
magnetic resonance
cavity resonance
SOLAR-CELL APPLICATIONS
METAMATERIAL ABSORBER
BROAD-BAND
VISIBLE FREQUENCIES
ABSORPTION
REGIME
SEYARN: Enhancing Security of YARN Clusters Based on Health Check Service
其他
2017-01-01
Li, Wenting
;
Shen, Qingni
;
Dong, Chuntao
;
Yang, Yahui
;
Wu, Zhonghai
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
DDoS
Hadoop
YARN
Security
Determinants of Firm Failure: Empirical Evidence from China
其他
2016-01-01
He, Canfei
;
Yang, Rudai
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
UNITED-STATES
GEOGRAPHIC CONCENTRATION
TECHNOLOGICAL ACTIVITY
MANUFACTURING SECTOR
LIFE-CYCLE
SURVIVAL
ENTRY
INDUSTRY
GROWTH
SIZE
The accumulation of heavy metals in agricultural land and the associated potential ecological risks in Shenzhen, China
其他
2016-01-01
Wu, Jiansheng
;
Song, Jing
;
Li, Weifeng
;
Zheng, Maokun
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/04
Soil heavy metals
Agricultural topsoil
Potential ecological risk
Principal component analysis
Pollution sources
Shenzhen, China
SPATIAL-DISTRIBUTION
SOILS
POLLUTION
SEDIMENTS
URBAN
INDEX
GEOSTATISTICS
TOPSOILS
SAMPLES
CROPS
The virtues of small grain size: Potential pathways to a distinguishing feature of Asian wheats
其他
2016-01-01
Liu, Xinyi
;
Lister, Diane L.
;
Zhao, Zhijun
;
Staff, Richard A.
;
Jones, Penelope J.
;
Zhou, Liping
;
Pokharia, Anil K.
;
Petrie, Cameron A.
;
Pathak, Anubha
;
Lu, Hongliang
;
Matuzeviciute, Giedre Motuzaite
;
Bates, Jennifer
;
Pilgram, Thomas K.
;
Jones, Martin K.
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Wheat
Grain size
Domestication
Radiocarbon dating
TRITICUM-AESTIVUM L.
2ND MILLENNIUM BC
BRONZE-AGE
FOOD GLOBALIZATION
GANGA PLAIN
SOUTH-ASIA
AGRICULTURE
CHINA
ORIGIN
SITE
Sensitive determination of cholesterol and its metabolic steroid hormones by UHPLC-MS/MS via derivatization coupled with dual ultrasonic-assisted dispersive liquid-liquid microextraction
其他
2016-01-01
Zhao, Xian-En
;
Yan, Ping
;
Wang, Renjun
;
Zhu, Shuyun
;
You, Jinmao
;
Bai, Yu
;
Liu, Huwei
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/04
TANDEM MASS-SPECTROMETRY
HPLC-UV
CHROMATOGRAPHY
PLASMA
IONIZATION
ALCOHOLS
DIHYDROTESTOSTERONE
TESTOSTERONE
ESTROGENS
SAMPLES
Rapid screening and determination of 11 new psychoactive substances by direct analysis in real time mass spectrometry and liquid chromatography/quadrupole time-of-flight mass spectrometry
其他
2016-01-01
Nie, Honggang
;
Li, Xianjiang
;
Hua, Zhendong
;
Pan, Wei
;
Bai, Yanping
;
Fu, Xiaofang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/04
WHOLE-BLOOD
LEGAL HIGHS
LC-MS/MS
QUANTIFICATION
URINE
DRUGS
IDENTIFICATION
METABOLITES
TECHNOLOGY
VALIDATION
Rapid screening and quantification of glucocorticoids in essential oils using direct analysis in real time mass spectrometry
其他
2016-01-01
Zhang, Jialing
;
Li, Ze
;
Zhou, Zhigui
;
Bai, Yu
;
Liu, Huwei
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2017/12/04
PERFORMANCE LIQUID-CHROMATOGRAPHY
COSMETIC PRODUCTS
GAS-CHROMATOGRAPHY
CLOBETASOL PROPIONATE
SUNSCREEN AGENTS
ION-SOURCE
IDENTIFICATION
CORTICOSTEROIDS
METABOLITES
PLASMA
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