The stable isotopic composition of soil (13)CO(2) flux is important for monitoring soil biological and physical processes. While several methods exist to measure the isotopic composition of soil flux, we do not know how effective each method is at achieving this goal. To provide clear evidence of the accuracy of current measurement techniques we created a column filled with quartz sand through ...

High-shear stimulation is well known as one of the key factors affecting platelet activation and aggregation, which can lead to the formation of a thrombus. In one of our previous studies, we introduced migration distance-based platelet function analysis in a microfluidic system. In this study, we set out to examine the effects of stirring on shear-induced platelet activation and aggregation in...

The high performance and instability in combustion chamber are the most challenging requirements for faster developments and technical advances in most of the engines. The design and development challenges of such engines are highly influenced by its combustion behavior taking place inside the combustion chamber. Studies on the injection, vaporization and combustion phenomena inside combustion ...

This paper presents a multi-chamber, multi-zone engine model to predict the ignition of lean main chamber by pre-chamber. The two chambers are connected small cylindrical holes: flame is ignited in pre-chamber, hot gases propagate through holes and ignite Turbulent Jet Ignition (TJI). original features are: (i) separate balance equations for pre- chambers, (ii) specific temperature composition ...

the miocene pyroxene andesite lava flows are exposed in southeastern edge of urumieh dokhtar magmatic assemblage in iran. the hypocrystalline andesite in parts contain conspicuous co-magmatic igneous enclaves which are dark grey and occur mostly as spherical and occasionally as ribbon shapes with some showing chilled margins. petrographic study shows that the ribbon type enclaves have been form...

• Novel pre-chamber test rig with dual schlieren setups. Nanosecond repetitively pulsed discharge and inductive ignition systems. Spark on the turbulent jet main chamber. Flame front propagation in affects probability Ignition of very lean conditions is possible by combining NRPD TJI. The optimization combustion process spark engines has led to novel strategies ignite low reactivity mixtures, s...