pressure thermal conductivity viscosity and prandtl of r32 gas

... composition of the sample, and the results can be seen in Figure 4(d) It can be clearly identified that the nanorods were composed of Fe and O elements, and the ratio of the number of atoms Fe and O ... (c)－(f) and the side SEM image was shown in Figure 1(b) As seen in Figure 1(c) and (e), the shape of nanorods samples were the appearance of rectangular cross-section and with the length range of ... cross-section image of single nanorod with the length of 0.8 μm and width of 0.6 μm under the high multiple When the reaction temperature was increased to 400℃, the samples were a small amount of nanolines...

Ngày tải lên: 20/03/2014, 13:11

... Results of thermal residual stress in MMNCs 114 4.5.1 Thermal stress and thermal induced dislocation 115 4.5.2 Effect of particle volume fraction 119 4.6 Effect of thermal ... effect of thermal residual stresses and thermal- generated dislocations Hence, an influential step towards understanding the mechanical properties of MMNCs would be a quantitative description of thermal ... development of thermal residual stresses and thermal induced dislocations in MMNCs and study their effects on the overall responses of MMNCs; (3) model void in MMNCs and examine the effects of void...

Ngày tải lên: 09/09/2015, 08:12

... polh protein expression and oxaliplatin sensitivity of gastric cancer cell lines and the significance of that in predicting treatment response and survival of metastatic gastric cancer patients ... active in about 40-50% of advanced gastric cancer patients [14-16] Oxaliplatin and cisplatin share the similar mechanism, and cause mono-adducts and intra-strand or inter-strand cross-links in the ... chemotherapy Materials and methods Cell lines The gastric cancer cell lines, including SGC7901, AGS, MKN45, and MGC803, were donated by Professor Page of Libing Song from State Key Laboratory of Oncology...

Ngày tải lên: 18/06/2014, 16:20

... and 1.1%; Poland, 0.7% and 0.7%; Spain, 0.6% and 0.6% In cases where more than 6% of the data were missing (Germany, Hungary and Italy), characteristics (age, gender, duration and frequency of ... Psychometric validation of the Italian translation of the Gastrointestinal Symptom-Rating Scale and Quality of Life in Reflux and Dyspepsia Questionnaire in patients with gastrooesophageal reflux ... [Psychometric validation of translation to Spanish of the gastrointestinal symptoms rating scale (GSRS) and quality of life in reflux and dyspepsia (QOLRAD) in patients with gastroesophageal reflux...

Ngày tải lên: 18/06/2014, 22:20

... consist of monolayer [ML] InAs and 12 ML GaSb A 1-µm-thick GaSb layer with Be doping to an order of × 1017 cm−3 and a 30-nm-thick InAs layer with Si doping to an order of × 1017 cm−3 were below and ... quality [13] As InAs and GaSb have no common atoms and both arsenic and antimony's sticking coefficients are less than 1, two types of interfaces may be formed, the GaAs-like and the InSb-like, ... growth and fabrication of InAs/GaSb type II superlattice photodiode detectors The superlattice consists of monolayer InAs/12 monolayer GaSb in each period Lattice mismatch between the GaSb substrate...

Ngày tải lên: 18/06/2014, 22:20

... consist of monolayer [ML] InAs and 12 ML GaSb A 1-µm-thick GaSb layer with Be doping to an order of × 1017 cm−3 and a 30-nm-thick InAs layer with Si doping to an order of × 1017 cm−3 were below and ... quality [13] As InAs and GaSb have no common atoms and both arsenic and antimony's sticking coefficients are less than 1, two types of interfaces may be formed, the GaAs-like and the InSb-like, ... growth and fabrication of InAs/GaSb type II superlattice photodiode detectors The superlattice consists of monolayer InAs/12 monolayer GaSb in each period Lattice mismatch between the GaSb substrate...

Ngày tải lên: 20/06/2014, 04:20

... vomiting, and vague but persistent abdominal pain Upon physical examination the patient was fully conscious and alert with a heart rate of 100 beats/min, a blood pressure of 115/65 mmHg, afebrile, and ... part of the abdominal cavity Page of (page number not for citation purposes) World Journal of Surgical Oncology 2008, 6:76 nificant reduction of the palpable mass to 25 × 25 cm, and a decrease of ... mucosal level, and usually requires an immediate surgical approach to control the GI bleeding Spontaneous rupture of gastric GIST occurs infrequently, and the most common site of rupture of these tumors...

Ngày tải lên: 09/08/2014, 07:21

... efficiency of gas injection by using water to control the mobility of the injected gas and thus the displacement, and to stabilize the front as stated by Christensen et al (2001) In their 2001 review of ... near the bottom of the payzone near and above the oil-water contact (Figure 3) As the gas rises it forms a gas cap at the top of the reservoir thus displacing and draining oil and water to the ... the natural tendency of the gas to rise to the top and the descent of the injected water to the bottom by injecting gas into the reservoir using (existing) vertical wells and producing fluids...

Ngày tải lên: 25/09/2016, 19:47

... nanoemulsion fluids of alcohol in PAO are employed to investigate the effects of the dispersed droplets on thermal conductivity and viscosity Alcohol and PAO have similar thermal conductivity values ... comparison The relative thermal conductivity is defined as keff/ko, where ko and keff are the thermal conductivities of the base and nanoemulsion fluids, respectively The PAO thermal conductivity is ... the thermal conductivity of liquids [12,35] Most of published thermal conductivity data on the nanofluids were obtained using the hot-wire Figure Alcohol/PAO nanoemulsion fluids (Bottle A) and...

Ngày tải lên: 21/06/2014, 04:20

... nanofluids and the theoretical values Figure TEM images of cured epoxy samples (a) Resin loaded with wt.% MWNT and (b) with wt.% FGS Table Thermal conductivity of epoxy nanofluids and nanocomposites ... Young's modulus of TPa and ultimate strength of 130 GPa [11] In addition to these outstanding properties, the recent developments on graphene synthesis routes and on -2- the understanding of their unique ... Abstract We employed an easy and direct method to measure the thermal conductivity of epoxy in the liquid (nanofluid) and solid (nanocomposite) states using both rodlike and platelet-like carbon-based...

Ngày tải lên: 20/06/2014, 23:20

Ngày tải lên: 21/06/2014, 02:20

... to the thermal conductivity of the superlattice with smooth interfaces For larger roughness, the thermal Page of 10 conductivity increases The initial decrease of the inplane thermal conductivity ... source and a heat sink, and the resulting heat flux is measured to obtain the thermal conductivity of the material [9,10] Simulations are held for several systems of increasing size and finally thermal ... http://www.nanoscalereslett.com/content/6/1/288 [11,12] The NEMD method is often the method of choice for studies of nanomaterials, while for bulk thermal conductivity, particularly that of high conductivity materials, the equilibrium...

Ngày tải lên: 21/06/2014, 04:20

... increases; and thus, the length of the cluster Thermal conductivity of CuO nanofluids Figure shows the thermal conductivity ratio of the typical sample, defined as k/k0, where k and k0 are the thermal ... conductivities of the nanofluids and the base media (H2O) respectively, as a function of the particle volume fraction at 25°C The thermal conductivity of the base fluid (H2O) was measured, and it had ... on development of nanofluid preparation and characterization Powder Technol 2009, 196:89-101 Zhang YX, Jiang W, Wang LQ: Microfluidic synthesis of copper nanofluids Microfluid Nanofluid 2010, 9:727-735...

Ngày tải lên: 21/06/2014, 05:20

... actual lifting pressure of a pressure relief valve and actual reseating pressure expressed as a percentage of set pressure blowdown pressure – the value of decreasing inlet static pressure at which ... operating pressure is close to the pressure relief valve set pressure If back pressure on valves in gas and vapor service exceeds the critical pressure (generally taken as 55% of accumulated inlet pressure, ... the application, this pressure value can simultaneously be the SET PRESSURE and/ or DESIGN PRESSURE FIGURE – HIERARCHY OF PRESSURE VALUES Back Pressure Considerations Back pressure in the downstream...

Ngày tải lên: 11/01/2014, 15:10

... two-state equation and determined the apparent Tm Results Thermal inactivation and aggregation of lysozyme in the presence of additives Figure shows the thermal inactivation and aggregation of lysozyme ... prevent thermal inactivation and aggregation of lysozyme [18] These data show that ArgEE is a new candidate additive for the prevention of thermal inactivation of lysozyme pH dependence of the ... (Eur J Biochem 271) Table Rates of thermal inactivation and aggregation in the presence of additives Thermal inactivation and aggregation in the presence or absence of 100 mM additive were measured...

Ngày tải lên: 19/02/2014, 16:20

... presence of 100 mM spermidine and spermine, the inactivation curve of 1.0 mgÆmL)1 lysozyme was identical to that of 0.2 mgÆmL)1 lysozyme The rate constants of inactivation in the presence of spermidine ... course of heat-induced aggregation with 100 mM of each additive After min, the amount of deposited aggregates showed an increase in the absence of any additives However, in the presence of Arg, ... that spermidine and spermine prevent heat-induced aggregation of lysozyme better than the other additives tested in this study Aggregation of lysozyme as a function of heating time and protein concentration...

Ngày tải lên: 20/02/2014, 02:21

... events of the unsteady pressure fields Synthesis and identification of random pressure field Firstly, effects of basic and cumulative covariance modes on the synthesis of the unsteady pressure ... Effects of basic and cumulative spectral modes on spectral synthesis of pressure position Secondly, effects of basic and cumulative spectral pressure modes on the synthesis of the unsteady pressure ... as role of the first covariance mode on the identification of these pressure fields will be verified and investigated Figures and Figure 10 show the pressure synthesis and the spectral pressure...

Ngày tải lên: 05/03/2014, 14:20

... blood pressure, BMI after 24 months of follow-up Sample size For an alpha of 0.05, a power of 80%, and in order to detect an reduction of HbA1c of 0.3 percentage units, with a common standard ... the study in either of the two models analyzed, and the adjusted effect of PRECEDE was close to zero (Table 2) In both models, the level of exercise decreased Page of slightly and was not significant ... reduction of 7% in the risk of mortality owing to cardiovascular disease, and 10% in the risk of mortality owing to ictus with every mmHg decrease in SBP The slight decrease in the lipid profile of...

Ngày tải lên: 05/03/2014, 22:21

... effect on its thermal unfolding Thermal unfolding of monomeric G-actin In 1984 Tatunashvili and Privalov [26] used DSC to investigate the thermal denaturation of monomeric G-actin and suggested ... F-actin and denatures before the thermal denaturation of F-actin [52,76,77] However, we observed a pronounced change in the thermal denaturation of F-actin upon addition of troponin I, one of the ... the thermal denaturation and aggregation of F-actin filaments, as well as the protective effect of sHSPs on the aggregation of thermally denatured actin ADP molecules, both free in solution and...

Ngày tải lên: 30/03/2014, 04:20

... Kinetics of the pressure- induced unfolding and refolding of the 33-kDa protein in the presence of 30% glycerol Other conditions as in Fig Table Relaxation time of unfolding and refolding of the ... understand how high hydrostatic pressure induces the refolding of proteins and how sugars and salts influence this refolding To this end, we used the effects of both hydrostatic pressure and osmotic ... problem of relationship between denaturation and compressibility References Fig Plot of the standard volume change of the 33-kDa protein in the presence of different concentration of NaCl (d) and...

Ngày tải lên: 31/03/2014, 01:20