نتایج جستجو برای: conversion rates
تعداد نتایج: 542671 فیلتر نتایج به سال:
Pseudomonas cepacia G4 is capable of cometabolic degradation of trichloroethylene (TCE) if the organism is grown on certain aromatic compounds. To obtain more insight into the kinetics of TCE degradation and the effect of TCE transformation products, we have investigated the simultaneous conversion of toluene and TCE in steady-state continuous culture. The organism was grown in a chemostat with...
On 1 January 2007, Slovenia was the first new EU member state to enter the euro area. Since June 2004, the Slovenian tolar participated in the exchange rate mechanism ERM-II with a central parity of 239.64 against the euro. This parity was also the conversion rate upon euro area accession. Applying a macroeconometric model of Slovenia, this paper analyses the macroeconomic effects of different ...
Recently, neural sequence-to-sequence (Seq2Seq) models have been applied to the problem of grapheme-to-phoneme (G2P) conversion. These models offer a straightforward way of modeling the conversion by jointly learning the alignment and translation of input to output tokens in an end-to-end fashion. However, until now this approach did not show improved error rates on its own compared to traditio...
The experimental ultrafast photophysics of thioxanthone in several aprotic organic solvents at room temperature is presented, measured using femtosecond transient absorption together with high-level ab initio CASPT2 calculations of the singlet- and triplet-state manifolds in the gas phase, including computed state minima and conical intersections, transition energies, oscillator strengths, and ...
We experimentally demonstrate four-wave-mixing (FWM)-based continuous wavelength conversion of optical differential-phase-shift-keyed (DPSK) signals with large wavelength conversion ranges as well as simultaneous wavelength conversion of dual-wavelength channels with mixed modulation formats in 1.1-cm-long dispersion-engineered silicon waveguides. We first validate up to 100-nm wavelength conve...
Abstract Aims Patients with suspected cancer are referred to secondary care on the “two week wait” pathway. Investigation and management of these patients is resource intensive puts a significant strain services. We aim determine if there predictable trends in quantity referrals or detection rates (conversion rates) for upper lower gastrointestinal cancers. Identifying such could guide future a...
Brazil has presided over the most comprehensive agrarian reform frontier colonization program on Earth, in which ~1.2 million settlers have been translocated by successive governments since the 1970's, mostly into forested hinterlands of Brazilian Amazonia. These settlements encompass 5.3% of this ~5 million km2 region, but have contributed with 13.5% of all land conversion into agropastoral la...
Product inhibition of cellulolytic enzymes affects the efficiency of the biocatalytic conversion of lignocellulosic biomass to ethanol and other valuable products. New strategies that focus on reactor designs encompassing product removal, notably glucose removal, during enzymatic cellulose conversion are required for alleviation of glucose product inhibition. Supported by numerous calculations ...
The devolatilization process and the moisture content in coal and biomass play an important role on the gasification performance of these fuels. To theoretically understand the complex chemical processes in a gasifier, we developed a multiphysics model to simulate the gasification processes in a well-stirred reactor. This model is a first-of-its-kind: it considers detailed gas-phase chemistry, ...
There is an emerging consensus that protected areas are key in reducing adverse land-cover change, but their efficacy remains difficult to quantify. Many previous assessments of protected area effectiveness have compared changes between sets of protected and unprotected sites that differ systematically in other potentially confounding respects (e.g. altitude, accessibility), have considered onl...
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