effect of na2so4 additive
Effect of Na2SO4 additive in positive electrodes on the performance of sealed lead-acid cells for electric scooter applications ppt
... also attempted to determine the effects of different amounts of Na SO additive on cells’ perfor-24mance. Six groups of cells with various amounts of Na SO24 additive were subjected to two test ... determine the effects of the different amounts of Na SO additive on the perfor-24mance of the positive electrode at higher curing tempera-Ž.tures ) 858C . Various amounts of Na SO additive, 24from ... reduce24wxthe 4BS size of electrode materials 10 , leading to a largecapacity. In this work, we studied the effect of Na SO24 additive in the positive electrode on the performance of VRLA cells for...
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Effect of mixed additives on lead–acid battery electrolyte pdf
... pub-lication of more than 150 papers in the scientific journals anda good number of patents.The use of additives in the electrolyte is one of theapproaches which offers improvement of the battery ... a mixture of additives (instead of single additive as studied earlier) tothe electrolyte and to examine the performances of theelectrode and the battery in the presence of these additives.The ... adsorption of additives (single additive or mixture of additives). Thus, if the surface coverage is y,the active surface taking part in the reaction will be (1Ày).(ii) The activity of SO42Àion...
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Effect of additives in compressed lead–acid batteries docx
... of additives, which could have a signifi-cant effect on its properties, porosity, density, etc. Numerouskinds of additives [4] have already been tested in order toimprove the performances of ... important effect of a high pressure on the active masscohesion and the premature end of the test because of short-circuit are arguments to prefer a high rate of compression.The decrease ofthe ... performances of a very low cost lead–acid battery is thecombination of the compression concept and the use of micro-porous additives added in the active mass.The influence of different rates of compression...
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Effect of additives in compressed lead–acid batteries pdf
... electrolyte additives that actively seek out and deactivatethe dangerous growths of lead particulate. This class of additives is known as dendrite prevention additives, DPA forshort.The additives of ... action of currently used additives to the negativeactive material goes beyond simple opening up of the activematerial pores. Negative plate additives are added inamounts of less than 1% of active ... unduly affected by any of the porosity or conductivity/homogeneity enhancing additives [11].3.3.2. Impact of chemical attribute additivesWhen considering the impact of the additives on theseparator,...
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Effect of additives in compressed lead–acid batteries pot
... capacity islower than 50% of the initial one.2.3.2. Laboratory cells modified by additivesIn order to underline the effect of the additives on the elec-trical performance of the modified cells, ... important effect of a high pressure on the active masscohesion and the premature end of the test because of short-circuit are arguments to prefer a high rate of compression.The decrease ofthe ... of additives, which could have a signifi-cant effect on its properties, porosity, density, etc. Numerouskinds of additives [4] have already been tested in order toimprove the performances of...
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Báo cáo khoa học: " Effect of the medical emergency team on long-term mortality following major surgery"
... Uponfederal request the Department of Psychotraumatology of theUniversity of Heidelberg (Germany) assembled a comprehen-sive list of 400 qualified psychotherapists offering immediatesupport nationwide ... suffered at least loss of one rel-ative, for example, a partner or child, and two mothers of ourcohort lost both of their children. The majority of patients com-plained of nightmares, emotional ... (CMMC), University of Witten/Herdecke, Ostmerheimerstrasse, 51109 Cologne, Germany2Intensive Care Unit of the Department of Traumatology and Orthopedic Surgery, CMMC, University of Witten/Herdecke,...
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Báo cáo khoa học: "Effect of intern’s consecutive work hours on safety, medical education and professionalism"
... We believe, however, that development of ‘a sense of professionalism’ is not a function of whether ashift is 30 hours or is 16 hours, but is a function of the ethicalpriorities engendered through ... patient hand-offs, medical education, and trainees’ sense of professionalism should be priorities as interventions aredeveloped that reduce consecutive work hours to ensure thesafety of patient ... researchshould study the effects of sleep deprivation and workschedule interventions on the performance of upper-levelresidents and other medical staff across a variety of disciplines. We likewise...
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Báo cáo y học: " Effect of Weight Reduction on Cardiovascular Risk Factors and CD34-positive Cells in Circulatio"
... limit of normal being 5.0) and LDL/HDL (upper limit of normal being 3.6). Figure 3. The effect of the dieting program on the level of LDL in plasma. Figure 4. The effect of the dieting ... Konstantinides S, Schäfer K. Effects of Obesity and Weight Loss on the Functional Properties of Early Outgrowth Endothelial Progenitor Cells. Journal of the Ameri-can College of Cardiology. 2010; ... CD34+ cell number (given here as the ratio of the percentage of cells after the diet to the percentage of cells before the diet) and the percentage of body fat lost by each subject during the...
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Báo cáo y học: "Effect of Acute Administration of an Herbal Preparation on Blood Pressure and Heart Rate in Humans"
... the thermic effect of food increased by 29% in 17 females after they ingested 26 mg p-synephrine. The thermic effect of p-synephrine was greater in males than females in the absence of a meal, ... absorp-tion of fats and carbohydrates [5]. In spite of their widespread use and the lack of credible reports regarding adverse effects, contro-versy has existed regarding the safety of bitter ... is not a constituent of C. aurantium. Because of the known cardiovascular effects of nor-epinephrine and ephedrine, it has generally been assumed that consumption of p-synephrine and bitter...
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Báo cáo y học: " Effect of dose-escalation of 5-fluorouracil on circadian variability of it"
... observation of the entire esophagus: 1) disap-pearance of the tumor lesion; 2) disappearance of ul-ceration (slough); and 3) absence of cancer cells in biopsy specimens. If small nodes of 1 cm ... increase in the rate of severe acute toxicities, according to the increase in the dose of 5-FU. The values of the plasma concentrations of 5-FU are listed in Table 3. The average of 8 measurements ... The disap-pearance of circadian rhythm in the 5-FU plasma concentration of the higher dose can be explained by the inhibition of DPD. In conclusion, the dose-escalation of 5-FU results in...
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Báo cáo y học: "Effect of 1,25-dihydroxy-vitamin D3 in experimental sepss"
... Significant effect of LPS vs. controls. (P<0,05) b Significant effect of 1,25 vit-D vs. vehicle. (P<0,05). The LPS infusion induced a septic condition in the rats with effect on coagulation ... enhanced effect of inotropic drugs [4,17]. The hemodynamic shock re-sponse to induction of sepsis may therefore be reduced by administration of 1,25-vit D. In addition to these effects, ... study is the first of its kind, and there-fore our main priority was to establish a potential re-lationship between vitamin D (pre)treatment and the effects of sepsis. The effect of 1,25-vit D...
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Báo cáo y học: "Effect of corticosteroids on phlebitis induced by intravenous infusion of antineoplastic agents in rabbits"
... in the effect of DEX administra-tion before VNR or after VNR. Effect of PSL on DXR-induced phlebitis A 1.4 mg/mL solution of DXR was infused for 120 min at 2 mL/kg/hr with 1-mg/mL of PSL ... histopathologically. The effect of DEX on VNR-induced phlebitis was evaluated by infusion of DEX before or after VNR. The effect of PSL on DXR-induced phlebitis was similarly evaluated by co-infusion of PSL. ... part of the vein in 7 of the 8 animals. Edema (Grades 1-3) was found in the proximal part of the vein in 6 of the 8 animals and in the distal part of the vein in 7 of the 8 animals. Epidermal...
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Báo cáo y học: "Effect of antibodies on the expression of Plasmodium falciparum circumsporozoite protein gene"
... inhibitory effect [7]. The number of mature liver schizonts increased in the presence of mAbs anti-CSP of P. yoelii and the authors suggested that enhancement of infection could be a consequence of ... the ability of merozoite to invade erythrocytes in the presence of 1- 0.1 – 0.01 and 0.001μg/ml anti-CSP monoclonal antibody (mAb). The number of ring stage infected erythrocytes of 3 replicates ... of 3 replicates was counted. Efficacy of invasion was calculated as the percentage of ring infected erythrocytes of treated cultures over the percentage of ring infected erythrocytes in control...
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Báo cáo y học: "Different effect of exercise on left ventricular diastolic time and interventricular dyssynchrony in heart failure patients with and without left bundle branch block"
... 339surrogate measure of the degree of LV dyssynchrony. Furthermore, the shortening of diastolic time is an of- ten overlooked mechanism of cardiac dysfunction. The duration of diastole is a principal ... following findings: LBBB was a major determinant of the duration of LV systole, irre-spective of the presence of left ventricular disease. The effect of the electrical conduction defect was inde-pendent ... idiopathic dilated cardiomyopathy (IDCM) diagnosed on the basis of the exclusion of other causes of LV dysfunction, such as of evidence of myocarditis in endomyocardial biopsy, significant coronary...
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Effect of sensory education on school children’s food perception: A 2-yearfollow-up study
... Ltd)-tasting and description of porridges made from oat, barley, wheat or rye -effect of temperature on sensory properties of porridge: demonstration-preparation and tasting of cereal-based snacks: ... products (meat pilotplant of theDepartment of FoodTechnology)-getting acquainted with manufacturing of frankfurter in a pilot plant-sensory description of two different types of meat products, salami ... flavor was asexpected-TOUCH: mouthfeel of carrot andcrispbread, comparison of how they feelin handsSense of taste -learning of basic tastes-addition of sugar to a sour black currantjuice:...
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- effect of refrigeration on texture of meat
- effect of switchover time
- effect of ionic strength
- preservative effect of chilling
- the effect of microorganisms and fermentation by microorganisms
- effect of cure conversion
- the moderating effect of product knowledge
- the effect of terminologies
- influence of polymer additive
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