effect of temperature and pressure

... fluid and pressure effects on the umbo movement in the fluid-pressure combination are not additive The combined effect of fluid and pressure on the umbo movement is different compared with that of ... (2006) and Ravicz et al (2004), we prefer to use 0.3 ml fluid level as a standard amount of fluid to see the fluid and air combined effect on middle ear function Group 1 – Effect of middle ear pressure ... Combined Effect of Fluid and Pressure on Middle Ear Function Chenkai Dai, MD, MS, Mark W Wood, MD, and Rong Z Gan, PhD Additional article information Abstract In our previous studies, the effects of

Ngày tải lên: 04/10/2019, 20:38

... effect of temperature and solvent composition, the linear effect of solvent composition, the quadratic effect of sol-vent composition, and the quadratic effect of tempera-ture Linear effect of ... pilosa, the positive effect of temperature on the extractability of cis-3,5-diCQA, CA and CA isomer occurred only between temperatures of 50 and 100 °C At a temperature of 150 °C there was a decrease ... 20, 40 and 60 % methanol and a temperature profile of 50, 100 and 150 °C Results: The extracts obtained were analyzed using UPLC-qTOF-MS/MS and the results showed that both tem-perature and solvent

Ngày tải lên: 29/05/2020, 14:20

... application of MOR.31,33 −35 Many studies were dedicated to the effect of Ru addition, concentration, and temperature.26−30 However, for microwave prepared catalysts, the effect of temperature and concentration ... different temperatures and methanol concentrations on M-PtRu@C catalyst The main focus of this study was to investigate the effect of temperature and methanol concentrations on the MOR activity of M-PtRu@C ... shape, and impurities of metal nanoparticles The rates of electrocatalytic oxidation of CO and methanol strongly depend on the structure of the catalyst The electrocatalytic oxidation of CO on

Ngày tải lên: 12/01/2022, 23:36

... to  that  of  the  FGM  without  the  temperature  and  porosity  effect. At a given value of the temperature rise and  of the  moving speed, the DAF is increased by the  increase  of  the  index  ... Irrespective  of  the  moving  speed and the type of temperature distribution, the  DAF  increases  by  the  increase  of  the  temperature  rise.  The  increase  of  the  DAF  by  the  temperature  ... characteristics of the beams The method was then employed to study the vibration of FGM beams under a moving mass and a nonlinear FGM Timoshenko beam subjected to a Effect of temperature and porosities

Ngày tải lên: 18/02/2023, 06:45

... scattering of the E2g phonon of sp2 C atoms of graphene (G-band), respectively [44] The intensity of D-band is stronger than that of G-band, meaning the presence of high density of defects and structure ... disappearance of diffraction peak of GO Figure 3 XRD patterns of a) GO and rGO, b) Fe2O3/graphene composites synthesized at 120, 150, 180, 210 and 240 oC for 8 h. The Raman spectra of GO, rGO and Fe2O3/graphene ... First, 0.41 g of FeCl3.6H2O and 1.55 g of CO(NH2)2 were added into 10 mL of a 1.825 mg/mL graphene oxide (GO) aqueous solution while stirring for 30 min at room temperature, and the above mixture

Ngày tải lên: 13/01/2020, 06:05

... C l and C t are velocity of ultrasonic longitudinal wave and one of ultrasonic shear wave, respectively; ρis mass density of material, and G is modulus of shear And acoustic impedance Z of material ... carbon steel were also investigated and effected much by temperature Simultaneous, the effect of temperature on the acoustic impedances and ultrasonic attenuations of the motor oil was also determined ... measurements The temperature of samples was controlled by the temperature controller FOX2005 and Peltier chips with ± 0.2 oC of accuracy The samples’ temperature changed in the range of 0 to 50 oC

Ngày tải lên: 25/01/2021, 10:04

... studies Figure 3 Variations of Pugh’s ratio and Poisson’s ratio of w-GaN with pressure Figure 4 Variations of Kleinman parameter and Zener anisotropy factor of w-GaN with pressure Additionally, ... experimental and theoretical studies of elastic and mechanical properties of w-GaN under high-pressure are very limited Therefore, the main goal of this work is to give a comprehensive study of the ... This might be as a result of phase transition Figure 1 Variations of elastic constants (C ij ) of w-GaN with pressure Figure 2 Variations of elastic modulus of w-GaN with pressure Bulk modulus

Ngày tải lên: 29/05/2022, 02:47

... 2 Results and Discussion 2.1 Simulation of oil recovery: temperature effect In this section, the effect of temperature on oil recovery is modeled using the Eclipse 100 simulator software, where ... macroscopic and microscopic approaches done by Hamouda and colleagues [10-16] Amaefule and Handy [22] and Kumar et al [23] studied the effect of IFT and IFT/temperature on oil-water relative permeability, ... viscosity; v is velocity; σ is IFT; T and Tb are temperature and room temperature, respectively The subscripts w and o denotes for water and oil, respectively Amaefule and Handy [22] stated that the higher

Ngày tải lên: 24/11/2022, 17:43

... uptake of rice and weeds 95 4.3.4 Effect of nitrogen source and plant-competition on nitrogen assimilation of rice and weeds 98 4.4 Discussion 100 4.4.1 Effects of nitrogen source on uptake and ... source and plant-competition on biomass accumulation of rice and weeds 93 4.3.2 Effect of nitrogen source on weed competitive index of two rice varieties 95 4.3.3 Effect of nitrogen source and ... assimilation of nitrogen in rice and weeds 101 4.4.2 Effects of nitrogen source on biomass accumulation of rice and weeds 103 4.4.3 Effects of nitrogen source on competition between rice and weeds

Ngày tải lên: 14/07/2023, 22:14

... 87.5% of vehicle-treated cells by 48 h p.i (Figure 2b) Treatment with IFN-α or IFN-γ delayed the onset of CPE in MS-infected cultures and increased the fraction of via-Table 1: Effect of IFN-α and ... ANOVA and Turkey's post hoc t test comparison of this treatment to vehicle. Trang 4Effect of IFN-α and IFN-γ on HSV replicationFigure 1 Effect of IFN-α and IFN-γ on HSV replication Vero cells were ... MS-infected cul-tures and 2-and 3-fold in G infected culcul-tures respectively (Figure 1e and 1f) In HSV-2 infected cultures treated with combination of IFN-α and IFN-γ the inhibitory effect was different

Ngày tải lên: 20/06/2014, 01:20

... base-growth and tip-growth modes of CNTs by thermal CVD are preferred under DT \ 0 and [0, respectively Growth Mode of CNTs by Plasma-Enhanced CVD To test the effect of DT on the growth mode of CNTs ... substrate temperature variations of two different process sequences in growth stage, a temperature-rising and b temperature-declining Trang 8monitored to insure the heating or cooling effects, and ... the temperature is rapidly increased from room temperature to the initial substrate temperature, Tsi, which is defined as the begin-ning temperature of the substrate during the growth stage of

Ngày tải lên: 21/06/2014, 17:20

... Trang 1Effect of Treated and Untreated Filler Loading on the Mechanical, Morphological, and Water Absorption Properties of Water Hyacinth Fibers- Low Density Polyethylene Composites Supri A G and ... characteristic of the sample, which indicates the interaction between the sample and water 3 RESULTS AND DISCUSSION 3.1 Mechanical Properties The effect of filler loading on the tensile strength of the ... filler and the polymer matrix was poor and weak Also, the localised bunch of fibers and patches indicated the poor dispersion of fillers within the LDPE matrix Thus, the fracture surface of the

Ngày tải lên: 07/08/2014, 14:20

... 36-h exposure Ash and oak survival was high irrespective of desiccation treatment, whereas survival of beech and especially of birch was impaired by drying The effect of rough-handling was minor ... survival and growth of birch and beech Compared to the desiccation treatments, dropping ten times from 1 m had a minor effect on mem-brane function and negligible effect on performance. The effect of ... to desiccation and rough-handling between uncut and undercut seedlings of four species We had three main objectives: to examine the effect of undercutting on seedling condition and 1st-year performance;

Ngày tải lên: 08/08/2014, 14:21

... distribution, and Trang 2specific developmental details, and when it combines theeffect of gender and age on PTSD Gender and age often function as demographic vari-ables in PTSD or trauma research and ... the possible combined effect of gender and age on PTSD prevalence in order to clarify the extent and consequences of such an effect Knowledge of the lifespan distribution of PTSD could contribute ... existence of a combined effect of gender and age on PTSD rates is implied by various studies, the results are ambiguous and the differences in lifespan distribution of PTSD among men and women

Ngày tải lên: 09/08/2014, 01:21

... 30, 523-534 A L.V., D R.G., 1980 Effect of ethanol and isopropanol on the activity of alcohol dehydrogenase, viability and life-span in Drosophila melanogaster and D funebris Experientia, 36, ... levels of competition for food (25 cc or 2 cc of agar-sugar-corn meal medium). b) Four levels of ethanol concentration (0 p 100, 5 p 100, 10 p 100 and 20 p 100). The alcohol was added to standard ... transformation where n is the number of emerged adults and N the number of seeded eggs The same arc sine transformation was used for the sex ratio where n is the number of males and N the total III Results

Ngày tải lên: 09/08/2014, 22:23

... half (45%) of the facilities were members of the Council of Teaching Hospitals The mean size (number of beds) was 313; and, 16% of hospitals were located in rural areas The mean age of providers ... Administration, Department of Veterans Affairs and Health Affairs, Department of Defense, Office of Quality and Performance publication 10Q-CPGs/COPD-00: Management of Chronic Obstructive Pulmonary ... Administration, Department of Veterans Affairs, and Health Affairs, Department of Defense; Office of Quality and Per-formance publication 10Q-CPGs/MDD-00: Management of Major Depressive Disorder

Ngày tải lên: 11/08/2014, 05:21

... half (45%) of the facilities were members of the Council of Teaching Hospitals The mean size (number of beds) was 313; and, 16% of hospitals were located in rural areas The mean age of providers ... Administration, Department of Veterans Affairs and Health Affairs, Department of Defense, Office of Quality and Performance publication 10Q-CPGs/COPD-00: Management of Chronic Obstructive Pulmonary ... Administration, Department of Veterans Affairs, and Health Affairs, Department of Defense; Office of Quality and Per-formance publication 10Q-CPGs/MDD-00: Management of Major Depressive Disorder

Ngày tải lên: 11/08/2014, 16:20

... lysis buffer (150 mM of NaCl, 20 mM of Tris-HCl, 1% NP-40, 10 mM of EDTA, 10% glycerol, 1 mM of PMSF, 10 µg/ml of apro-tinin, 1 µg/ml of leupeptin, 1 µg/ml of pepstatin) and incubated for 30 ... Photomicro-graphs are representative of 4 similar experiments, and bar graphs show density ratios of p27kip1 protein versus those of β-actin bands Open and solid bars, 21% and 2% oxygen, respectively ... p27kip1 expression and of BPS on DNA synthesis in p27kip1 gene knockdown HPASMC The effects of 8-Br-cAMP and BPS on p27kip1 expression were similar and p27kip1-dependent regulation of proliferation

Ngày tải lên: 12/08/2014, 15:21

... the value of gc Bearing in mind the significance of the combined effect of gc and nc in determining cluster coupling, and their poten-tial importance in the pathological development of dis-ease, ... stimulatory levels of glucose, and increased insulin output at basal glucose These characteristics of pancreatic dysfunctions mimic those observed in diabe-tes, and are suggestive of a role of gap junction ... biosynthesis, storage and release of insulin, and were nicely reviewed in [21,22] Single uncoupled β-cells show a poor expression of the insulin gene, release low amounts of the hormone, and barely increase

Ngày tải lên: 13/08/2014, 16:21

... this model There were no signs of a systemic profibrinolytic effect of enoxaparin, or the combination of enoxaparin with DAA The lack of a profibrinolytic effect of enoxa-parin or DAA combined ... we investigated the effect of thera-peutic dose enoxaparin and four doses of DAA on blood coagulation status and markers of fibrin formation, acti-vation of fibrinolysis, and fibrin dissolution ... C levels and the effect of enoxaparin and drotrecogin alfa (activated) on markers of coagulation activation and fibrinolysis in pulmonary embolism Carl-Erik H Dempfle1*, Elif Elmas1, Andreas Link2,

Ngày tải lên: 14/08/2014, 07:21