نتایج جستجو برای: intake system
تعداد نتایج: 2327222 فیلتر نتایج به سال:
In-cylinder exhaust gas recirculation (EGR) stratification, generally achieved by supplying EGR asymmetrically into intake ports on a four-valve diesel engine, is sensitive to trapped exhaust gas in the intake manifold and intake ports that is caused by the continuous supply of EGR during the valve-close periods of the intake valves. The subject of this study is to evaluate the distribution of ...
the starting behavior of a supersonic axisymmetric mixed compression air intake was numerically investigated. the code solves reynolds-averaged navier–stokes equations using an explicit finite volume method in a structured grid by the roe flux difference splitting scheme. further, it uses the baldwin–lomax algebraic model to compute the turbulent viscosity coefficient. the correct method of sur...
Background: Malathion (MAL) is a choice insecticide in the stored grain in different countries. The aim of the present study is to evaluate toxicological effects of 30-day intake of MAL on the male reproductive system of Wistar rats. Methods: This research was ethically approved by the local authority at Faculty of Medicine, Monastir, Tunisia. Three MAL treated groups received 1 ml...
location verification system
introduction: the brain glutamate neurotransmitter system and its nmda receptors in the nucleus accumbens play an important role in the incidence of the phenomena of sensitivity and addiction. the present study examined the inhibitory effect of glutamate nmda receptors in the nucleus accumbens in response to chronic stress. methods: after the unilateral and bilateral cannula placement in the nu...
introduction: dopamine plays an important role in the central nervous system for modulating food intake. dopamine receptors are distributed within the hypothalamus, and expression of d1 receptors is significant in hypothalamic paraventricular nucleus (pvn). therefore, the aim of this study was to find if pvn-microinjected skf38393, d1 receptor agonist, may modulate food intake. methods: guide c...
Beside the well-established impact on decreasing the risk of cardiovascular diseases (1), recent attention has been paid to the relationship between cocoa-containing foods and the immune system (2), showing that dark chocolate consumption enhances the systemic defense against bacterial (3) and viral (4) infections. Hence, the current study aimed at investigating the acute effect of dark chocola...
Background : Low food intake is a frequent problem in undernourished hospital patients. Objective : To study whether a reorganization of a hospital catering system enabling patients to choose their evening meal individually, in combination with an increase in the energy density of the food, increases the energy and protein intake of the patients. Design : Observational study comparing the food ...
The forage maturation hypothesis (FMH) states that energy intake for ungulates is maximised when biomass at intermediate levels. Nevertheless, metabolic allometry and different digestive systems suggest resource selection should vary across ungulate species. By combining GPS relocations with remotely sensed data on characteristics surface water, we quantified the effect of body size system in d...
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