Sentence examples for diffusion of natural from inspiring English sources

Two periods in the diffusion of natural gas technology are distinguished: the 1990s, which were characterized by relative stability, and 2000-2003, when a national and international crisis posed problems for the adoption and diffusion of natural gas systems.

The proposed CFD model was demonstrated be able to be used to simulate and predict the diffusion of natural gas in cases of accidental leakage.

The diffusion of natural gas vehicles at the expense of conventional vehicles, for example, does not achieve the level of emission benefits that is expected from natural gas displacing coal-fired power [12].

Silveira et al. [ 23] stated that the inhibited diffusion of natural products may also be related to their hydrosolubility and molecular weight.

The former encode equilibrative nucleoside transporter proteins (ENTs), which mediate the facilitative diffusion of natural nucleosides with broad selectivity, whereas the latter encode concentrative nucleoside transporters (CNTs), which are sodium-coupled and show high affinity for substrates with variable selectivity.

Curtis et al. (2012) built a microscale two-dimensional finite element model based on the diffusion studies of other porous materials to study the diffusion mechanism of natural gas in micro/nano-pores.

Experimental data on molecular diffusion at high pressures are scarce, at least in part, because conducting these experiments is difficult, expensive, and time consuming, and none of the available experimental data on molecular diffusion and methods is suitable for the prediction of diffusion coefficients of natural gas in foamy oil at high pressures.

It is assumed that the chloride diffusion coefficient of natural aggregate is zero (Ying et al. 2013a), then the chloride diffusion coefficient of old mortar (D om ) can be calculated as 10 × 10 6 mm2/s by comparing value in series I and series II according to composited spherical model (Ying et al. 2013a).

(3) A comparison of diffusion coefficients of natural gas in foamy oil, saturated oil, and dead oil at the same pressure indicates that diffusion coefficients of natural gas in foamy oil are lower than that of gas in saturated oil and dead oil.

In this paper, a PVT cell was used to measure diffusion coefficients of natural gas in Venezuela foamy oil at high pressures, and a new method for determining the diffusion coefficient in the foamy oil was developed on the basis of experimental data.

This paper provides a better understanding of the diffusion process of natural gas in foamy oil and the effects of types of the liquid phase and pressure on the diffusion coefficient of natural gas, which is a critical factor for feasibility evaluation of the gas injection process in foamy oil reservoirs after primary production.