نتایج جستجو برای: rates

تعداد نتایج: 435722  

Journal: :Mechanical Translation 1964
James H. White

This paper summarizes stratificational theory, and applies its linguistic methods in a sememic analysis of English prepositions. The phenomenon of interlocking diversification is shown to be quite generally present among the prepositions. Also, the analysis of prepositions is shown to entail a partial sememic analysis of other words; it therefore provides a starting point for the sememic analys...

Journal: :Asian-Australasian journal of animal sciences 2016
De-Jia Huang Shyi-Kuen Yang

This study was conducted to investigate the effect of nocturnal light pulses (NLPs) on the feed intake and metabolic rate in geese. Fourteen adult Chinese geese were penned individually, and randomly assigned to either the C (control) or NLP group. The C group was exposed to a 12L:12D photoperiod (12 h light and 12 h darkness per day), whereas the NLP group was exposed to a 12L:12D photoperiod ...

2014
James F. Gillooly Michael W. McCoy

The tremendous variation in brain size among vertebrates has long been thought to be related to differences in species' metabolic rates. It is thought that species with higher metabolic rates can supply more energy to support the relatively high cost of brain tissue. And yet, while body temperature is known to be a major determinant of metabolic rate, the possible effects of temperature on brai...

2003
ANGUS DEATON Angus Deaton

I consider two issues concerning how to monitor global poverty for the Millennium Development Goals, the selection of poverty lines, and the data sources for monitoring poverty over time. I discuss the choice of a single international line, converted using purchasing power parity (PPP) exchange rates, versus the use of country-specific poverty lines. I note the difficulties in constructing PPP ...

Journal: :CoRR 1996
Sonia Fahmy Raj Jain Shivkumar Kalyanaraman Rohit Goyal Fang Lu

During the design of ABR tra c management at the ATM Forum, we performed several analyses to ensure that the ABR service will operate e ciently over satellite links. In the cases where the performance was unacceptable, we suggested modi cations to the tra c management speci cations. This paper describes one such issue related to the count of missing resource management cells (Crm) parameter of ...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 1997
Xiaowei Song Gerhard Körtner Fritz Geiser

We tested whether the reduction of metabolic rate (MR) in hibernating Cercartetus nanus (Marsupialia, 36 g) is better explained by the reduction of body temperature (Tb), the differential (ΔT) between Tb and air temperature (Ta), or thermal conductance (C). Above the critical Ta during torpor (Ttc) of 4.8 ± 0.7°C, where the Tb was not regulated, the steady-state MR was an exponential function o...

2014
Mialy Razanajatovo Christine Föhr Markus Fischer Daniel Prati Mark van Kleunen

Many animal-pollinated plant species have been introduced to non-native regions without their usual pollinators. Nevertheless, some of these alien species managed to establish reproducing naturalized populations, which might negatively affect native plants. Recent studies have shown that many naturalized alien species can readily attract native pollinators. However, it is not known whether alie...

2000
M. Falkner M. Devetsikiotis I. Lambadaris S. Tartarelli S. Giordano Michael Devetsikiotis Sandra Tartarelli Matthias Falkner Ioannis Lambadaris Stefano Giordano

We analyze the accuracy of four methods for measuring e ective bandwidths (EBs). We also seek to point out advantages and drawbacks of the four estimators. We nd that for nite time realizations of a process the measured e ective bandwidth di ers considerably from its analytical counterpart. We also show that increasing the trace length has little impact on the accuracy of the measurements. We e...

2007
José Mata Pedro Portugal

We analyze the effects of founding conditions on the survival of new firms. We allow the effects of founding conditions to be transitory and estimate how long such effects last. Our findings indicate that founding effects are important determinants of exit rates. Moreover, in most cases, their effect on survival seems to persist without much of an attenuation for several years after the foundin...

Journal: :J. Artif. Intell. Res. 1994
Sreerama K. Murthy Simon Kasif Steven Salzberg

This article describes a new system for induction of oblique decision trees. This system, OC1, combines deterministic hill-climbing with two forms of randomization to nd a good oblique split (in the form of a hyperplane) at each node of a decision tree. Oblique decision tree methods are tuned especially for domains in which the attributes are numeric, although they can be adapted to symbolic or...

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