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1.
Khadraoui Souha Bolaers Fabrice Cousinard Olivier Dron Jean Paul 《Journal of Mechanical Science and Technology》2021,35(5):1821-1828
Journal of Mechanical Science and Technology - This paper describes an experimental study of lifting cable fault diagnostic based on instantaneous angular speed (IAS) technique. During the study... 相似文献
2.
The reaction of CuCl with silicon containing as impurities Al, Fe, Ca and Ti or with some silicides (Si2Ca, Si2Fe, Si2Ti) has been investigated in the temperature range 250–310 °C. For the reaction between CuCl and commercial Si, it has been found that at 282 °C, the aluminium promotes the reaction between Cu3Si and CuCl while its rate of consumption is greatly decreased by the presence of iron impurity. The combined action of these two impurities improves the quantity of the copper-silicon alloy formed. In the presence of silicides, the reaction with CuCl leads to copper formation with a high degree of dispersion. 相似文献
3.
Abdou-samad Kone Saadia Ait Ssi Souha Sahraoui Abdallah Badou 《International journal of molecular sciences》2022,23(21)
Butyrophilin-3A (BTN3A) subfamily members are a group of immunoglobulins present on the surface of different cell types, including innate and cancer cells. Due to their high similarity with the B7 family members, different studies have been conducted and revealed the involvement of BTN3A molecules in modulating T cell activity within the tumor microenvironment (TME). However, a great part of this research focused on γδ T cells and how BTN3A contributes to their functions. In this review, we will depict the roles and various aspects of BTN3A molecules in distinct tumor microenvironments and review how BTN3A receptors modulate diverse immune effector functions including those of CD4+ (Th1), cytotoxic CD8+ T cells, and NK cells. We will also highlight the potential of BTN3A molecules as therapeutic targets for effective immunotherapy and successful cancer control, which could represent a bright future for patient treatment. 相似文献
4.
The effect of an SiO2 layer thermally grown or partially removed by standard cleaning treatment on the reaction between powder silicon or Si(100) wafer and solid or gaseous copper(I) chloride was studied. The rate of the reaction increases with decreasing oxide layer thickness, which is attributed to the formation of defects, such as pinholes, in the oxide layer, allowing the vapour transport of CuCl to the silicon surface. X-ray diffraction patterns indicate that the proportion of reaction products Cu3Si, Cu5Si and copper changes with thickness of SiO2. In order to explain the presence of Cu5Si and copper for thick layer and cavity formation inside Cu3Si nuclei, it has been suggested that the reaction between Cu3Si and CuCl is promoted. 相似文献
5.
Souhir Ben Abdesslem Olfa Ben Moussa Mouna Boulares Mounira Elbaz Moncef Chouaibi Souha Ayachi Mnasser Hassouna 《International Journal of Dairy Technology》2020,73(2):403-410
Yoghurt was prepared by adding three concentrations of fennel essential oil (FEO) (2.5, 5 and 7.5 µL) in 100 mL of pasteurised milk. Fennel essential oil did not affect the viability of yoghurt starters during fermentation. Based on sensory analysis, only the 5‐µL FEO concentration was incorporated in order to investigate the physicochemical and microbiological properties of enriched yoghurt during storage. Results showed that FEO in yoghurt did not significantly affect the quality after acidification (P > 0.05). However, total solid content, syneresis and lightness (L*) differed significantly (P < 0.05). Bacterial counts indicated that the control yoghurt had the highest values. Fortified yoghurt had an increased shelf life of 29 days. 相似文献
6.
Nour-Mounira Z. Bakkar Haneen S. Dwaib Souha Fares Ali H. Eid Yusra Al-Dhaheri Ahmed F. El-Yazbi 《International journal of molecular sciences》2020,21(23)
Cardiac autonomic neuropathy (CAN) is one of the earliest complications of type 2 diabetes (T2D), presenting a silent cause of cardiovascular morbidity and mortality. Recent research relates the pathogenesis of cardiovascular disease in T2D to an ensuing chronic, low-grade proinflammatory and pro-oxidative environment, being the hallmark of the metabolic syndrome. Metabolic inflammation emerges as adipose tissue inflammatory changes extending systemically, on the advent of hyperglycemia, to reach central regions of the brain. In light of changes in glucose and insulin homeostasis, dysbiosis or alteration of the gut microbiome (GM) emerges, further contributing to inflammatory processes through increased gut and blood–brain barrier permeability. Interestingly, studies reveal that the determinants of oxidative stress and inflammation progression exist at the crossroad of CAN manifestations, dictating their evolution along the natural course of T2D development. Indeed, sympathetic and parasympathetic deterioration was shown to correlate with markers of adipose, vascular, and systemic inflammation. Additionally, evidence points out that dysbiosis could promote a sympatho-excitatory state through differentially affecting the secretion of hormones and neuromodulators, such as norepinephrine, serotonin, and γ-aminobutyric acid, and acting along the renin–angiotensin–aldosterone axis. Emerging neuronal inflammation and concomitant autophagic defects in brainstem nuclei were described as possible underlying mechanisms of CAN in experimental models of metabolic syndrome and T2D. Drugs with anti-inflammatory characteristics provide potential avenues for targeting pathways involved in CAN initiation and progression. The aim of this review is to delineate the etiology of CAN in the context of a metabolic disorder characterized by elevated oxidative and inflammatory load. 相似文献
7.
Souha Tibaoui Ines Essid Samir Smeti Juan Ramon Bertolin Margalida Joy Naziha Atti 《International Journal of Food Science & Technology》2020,55(3):1151-1161
The effects of distilled myrtle leaves (DML) intake on physiochemical traits, fatty acid profile and lipid oxidation of ewe’s sausage (Merguez) were investigated. Twenty-seven ewes were divided into three homogenous groups. Ewes were fed hay and concentrate for control group (C). They received concentrate and M-Hay pellets, containing 87% DML, as substitute to hay in MH group; for MC group, ewes received hay, concentrate and M-Conc pellets having 30% DML in partial substitution to concentrate. They were slaughtered at the end of trial (90 days) with an average body weight of 42 kg. DML did not affect the physicochemical and sensory properties (P > 0.05) of Merguez; whereas, it increased lipid oxidative stability (P < 0.05). MH group showed the highest values of α-tocopherol content, C18:2-n6 fatty acid and polyunsaturated fatty acids. DML could be used in animal feeding to obtain higher meat product quality with better fatty acids content and antioxidant potential. 相似文献
8.
The reaction of CuCl with silicon, containing Al, Fe and Ca as impurities, or with silicides (Si2Ca, Si2Fe, Si2Al2Ca, Si8Al6Fe4Ca) has been investigated in the temperature range 200–300°C. For the reaction between CuCl and commercial Si, it was found that, at 282°C, aluminium promotes the reaction between Cu3Si and CuCl while the rate of consumption of Cu3Si is greatly reduced by the presence of iron. The combined action of these two impurities leads to the formation of more copper–silicon alloy. In the presence of mixed silicides, the reaction with CuCl also leads to the formation of Cu3Si. For the quaternary Al–Ca silicide containing iron the rate of formation of Cu3Si is not increased, which allows us to attribute a stabilizing effect to iron. 相似文献
9.
The mechanically activated annealing process were used to produce Cu3Si compound. This process results from the combinaison of two steps, the first is a mechanical activation of the 3Cu + Si powders mixture, the second consists of the annealing of as-milled powders. Based on X-ray diffraction experiment, scanning electron microscopy, the as-milled powders and M2AP end-products were characterized. Various process controlling parameters such as mechanical activation conditions were studied. In the same time, a sutdy of the reactivity ofCu3Si towards CuCl were performed to compare the M2AP end-products behavior with that of the Cu3Si reference powder. 相似文献
10.
Process True Capability Evaluation with the Consideration of Measurement System Variability and Expected Quality Loss 下载免费PDF全文
Souha Ben Amara Jamel Dhahri Nabil Ben Fredj 《Quality and Reliability Engineering International》2017,33(5):937-944
Process capability indices are widely computed under the assumption that the measurement system is free from errors. However, measurement variability is unavoidable and has a significant impact in process capability evaluation. From an economic point of view, Taguchi loss function is an effective tool to measure the quality loss of a product characteristic deviated from target value that is extensively used without taking into account the effect of the measurement system. This paper investigates the influence of measurement system variability on the process capability analysis through the calculation of process capability indices. A new quality loss function, integrating the measurement system errors, is developed to compute the optimal true process capability regarding to the expected mean value of the Taguchi loss function and the loss resulting from the control of the true process capability. Copyright © 2016 John Wiley & Sons, Ltd. 相似文献