نتایج جستجو برای: gcms sim

تعداد نتایج: 12356  

Journal: :A MARgem - Revista Eletrônica de Ciências Humanas, Letras e Artes 2020

2014
Tony Chang Andrew J. Hansen Nathan Piekielek

Projected climate change at a regional level is expected to shift vegetation habitat distributions over the next century. For the sub-alpine species whitebark pine (Pinus albicaulis), warming temperatures may indirectly result in loss of suitable bioclimatic habitat, reducing its distribution within its historic range. This research focuses on understanding the patterns of spatiotemporal variab...

2001
PAVEL YA. GROISMAN RAYMOND S. BRADLEY BOMIN SUN

One of the possible ways to check the adequacy of the physical description of meteorological elements in global climate models (GCMs) is to compare the statistical structure of these elements reproduced by models with empirical data from the world climate observational system. The success in GCM development warranted a further step in this assessment. The description of the meteorological eleme...

2013
I-Chun Tai Yin-Chih Fu Chih-Kuang Wang Je-Ken Chang Mei-Ling Ho

Statins are used clinically for reduction of cholesterol synthesis to prevent cardiovascular disease. Previous in vitro and in vivo studies have shown that statins stimulate bone formation. However, orally administered statins may be degraded during first-pass metabolism in the liver. This study aimed to prevent this degradation by developing a locally administered formulation of simvastatin th...

ژورنال: ژئوفیزیک ایران 1388
مهران خدامرادپور پرویز ایران نژاد,

طرحواره‌‌های پارامترسازی سطح تبادل تکانه، جرم و انرژی بین سطح و جو را برآورد می‌کنند. رَواناب از مهم‌ترین مولفه‌‌های چرخه آبی طرحواره‌‌های سطح است که  برآورد آن به دلیل وابستگی به بارندگی، رطوبت خاک و توپوگرافی که به شدت با زمان و مکان تغییر می‌‌کنند مشکل است. در این مقاله طرحواره سطح OSU، که در آن رواناب با تابع توزیع احتمال ظرفیت نفوذ خاک پارامتر می‌شود، و مدل جفت شده OSU-SIM، که رواناب را با ...

2014
Siong Fong Sim Terri Zhuan Ean Lee Nurul Aida Lu Mohd Irwan Lu Benedict Samling

Fourier Transform Infrared (FTIR) and Gas Chromatography Mass Spectrometry (GCMS) are two common instruments used for analysis of edible oils. The output signal is often analysed on the software attached to the workstations. The processing software is usually individualised for a specific source. The output of GCMS cannot be analysed on the FTIR hence analysts often need to juggle between instr...

2013
Zhenchun Hao Qin Ju Weijuan Jiang Changjun Zhu

The Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC AR4) presents twenty-two global climate models (GCMs). In this paper, we evaluate the ability of 22 GCMs to reproduce temperature and precipitation over the Tibetan Plateau by comparing with ground observations for 1961~1900. The results suggest that all the GCMs underestimate surface air temperature and most mo...

2015
Kaijie Yang Baoliang Chen Lizhong Zhu

The substantial aggregation of pristine graphene nanosheets decreases its powerful adsorption capacity and diminishes its practical applications. To overcome this shortcoming, graphene-coated materials (GCMs) were prepared by loading graphene onto silica nanoparticles (SiO2). With the support of SiO2, the stacked interlamination of graphene was held open to expose the powerful adsorption sites ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2011
Jasper F Kok

Mineral dust aerosols impact Earth's radiation budget through interactions with clouds, ecosystems, and radiation, which constitutes a substantial uncertainty in understanding past and predicting future climate changes. One of the causes of this large uncertainty is that the size distribution of emitted dust aerosols is poorly understood. The present study shows that regional and global circula...

1998
Harko Verhagen

Sim-ACTS is an agent-based computer simulation model of some aspects of ACTS theory 5]. It is the rst of a series of models in which increasingly more aspects of ACTS theory will be encompassed. Sim-ACTS studies the eeects of communication and organizational structure on organizational problem solving. It is a follow-up study of the TASSCS research project 15],,16]. The simulation experiments f...

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