Showing 1 - 10 of 38
Some existing nonparametric two-sample tests for equality of multivariate distributions perform unsatisfactorily when the two sample sizes are unbalanced. In particular, the power of these tests tends to diminish with increasingly unbalanced sample sizes. In this article, we propose a new...
Persistent link: https://www.econbiz.de/10010824058
This paper studies a class of exponential family models whose canonical parameters are specified as linear functionals of an unknown infinite-dimensional slope function. The optimal minimax rates of convergence for slope function estimation are established. The estimators that achieve the...
Persistent link: https://www.econbiz.de/10009246860
In this article, the conceptual design of biomass steam gasification (BSG) processes using raw oil palm (ROP) and torrefied oil palm (TOP) are examined in an Aspen Plus simulator. Through thermodynamic analysis, it is verified that the BSG process with torrefied feedstock can effectively enhance...
Persistent link: https://www.econbiz.de/10011105438
Climatic characteristics of foreign low latitude plateau regions are firstly introduced. Then, experience and lessons of major foreign low latitude plateau countries in developing modern agriculture are analyzed, including Indian three agricultural revolutions and agricultural informationization...
Persistent link: https://www.econbiz.de/10011168146
With the rapid increase of Internet data centers (IDCs), a large amount of electricity is consumed for IDCs' cooling, and a considerable amount of heat is exhausted directly into the ambient all year round. On the other hand, to efficiently and cleanly heat the room in cold regions a lot of...
Persistent link: https://www.econbiz.de/10011263781
Oil and related products continue to be prime enablers of the maintenance and growth of nearly all of the world's economies. The dramatic increase in the price of oil through mid-2008, along with the coincident (and possibly resultant) global recession, highlight our continued vulnerability to...
Persistent link: https://www.econbiz.de/10010808712
This paper describes the design of a single piston compression ignition hydraulic free-piston engine. An engine simulation model considering hydraulic valve dynamics is built. Extensive simulated results are presented and the major features of the engine are discussed. Experimental results from...
Persistent link: https://www.econbiz.de/10010809733
The growing concern over environmental considerations and the increasing fuel cost call for operating the energy station in a more economical and environmentally friendly way. This paper develops a multi-objective model for the CHPED (combined heat and power economic dispatch) problem to...
Persistent link: https://www.econbiz.de/10010811321
Due to the critical importance of oil to modern economic activity, and oil’s non-renewable nature, it is extremely important to try to estimate possible trajectories of future oil production while accounting for uncertainties in resource estimates and demand growth, and other factors that...
Persistent link: https://www.econbiz.de/10010811976
Using the method of trophic state-composite index ( TSI-CI ) and the 12 months of monitoring data in 2010, we carry out initial exploration of the status of ecosystem health in Wuli Lake. First, we select four indicators, Chla, SD, TP and TN, to conduct trophic state assessment using weighted...
Persistent link: https://www.econbiz.de/10010881751