Most dynamic languages allow users to turn text into code using various functions, often named <tt>eval</tt>, with language-dependent semantics. The widespread use of these reflective functions hinders static analysis and prevents compilers from performing optimizations. This paper aims provide a better sense why programmers <tt>eval</tt>. Understanding <tt>eval&lt...

Th is paper presents the author’s integrated regional studies during the last decade. Th e main purpose is to present an overall understanding of the geological structure, sedimentary basins and hydrocarbon systems of the whole Western Black Sea Zone (WBSZ). Th is study is based on original data from boreholes, seismic and gravity-magnetic surveys and hydrocarbon accumulations. Many geophysical...

Eocene and Lower Oligocene rocks are potential source for crude oil accumulations in the Hungarian Palaeogene Basin. To enhance understanding of hydrocarbon system, this study (i) assesses petroleum formations, (ii) characterises rock facies accumulated oils, (iii) provides an oil-to-source correlation. Rock-Eval data samples from three boreholes (W–1, W–9 W–12) show that most formations mature...

Pyrolysis characteristics and mechanism of tobacco stem were studied by pyrolysis coupled with gas chromatography/mass spectrometry (PyGC/MS), thermogravimetric analyzer coupled with Fourier transform infrared spectrometry, and mass spectrometry (TG-FTIR and TG-MS) techniques. The composition of evolved volatiles from fast pyrolysis of tobacco stem was determined by Py-GC/MS analysis, and the e...

Nine samples collected from the Upper Cretaceous Second White Speckled Shale Formation at Highwood River outcrop in southern Alberta were geochemically characterized for their oil contents, physical states, and chemical compositions. Cold extraction was performed on 8–10 mm 2–5 chips sequentially to obtain first second extractable organic matter (EOM-1 EOM-2), while Soxhlet powder previously ex...

Marine organic-rich shale is widely distributed in the Upper Ordovician Wufeng Formation (WF-F) and Silurian Longmaxi (LMX-F), making it an important target for gas exploration development. In order to clarify paleoenvironment evolution characteristics effect of depositional environment on organic matter (OM) accumulation marine Formations, a series geochemical petrological experiments were car...

The pyrolysis and oxidation kinetics of distillers grains and solubles were determined using thermogravimetric analysis. The starting temperature of pyrolysis and oxidation of distillers grains and solubles increased with the increase of heating rate and initial moisture content. The pyrolysis and oxidation of distillers grains and solubles were completed at 650°C and 850°C, respectively, which...