156 chapter xiv—removal of foreign bodies from the larynx

... ADJUSTMENTS OF FOREIGN STRATEGY FROM THE 19 TH CHINESECOMMUNIST PARTY CONGRESS TO PRESENT AND ITS IMPACTS I The effects of the background of the world and Asia-Pacific on the adjustment of strategy of ... criticism) The above adjustments have reduced the credibility from countries, especially from alliesand partners of the US, negatively affected the soft power and global leadership role of the US In the ... most dynamic developmented area in the world, with theprospect of becoming the world's new center of power in the 21st century, with the presence ofmost of the world's most powers which have

Ngày tải lên: 22/11/2019, 10:31

... Synthesis of TNT 23 3.2.2 Synthesis of Graphene oxide 24 3.2.3 Synthesis of rGO-TNT Composite 25 3.2.4 Adsorption Experiment 25 3.2.5 The method of determining the characteristics of the ... a large amount of arsenic Approximately 62,000 tonnes of arsenic release into the environment every year from these activities  Burning of fossil fuels from the household, from the power plant ... greater than the resolution of them, they will increase and the poisoning will appear (Foulkes, 2000) The toxicity of heavy metals is expressed through: (1) Some of heavy metal can be moved from low

Ngày tải lên: 12/10/2016, 10:22

... known that the pH is an important parameter in the adsorption process The charge of the adsorbate and the adsorbent often depends on the pH of the solution due to H+ ions exchange The results ... (Ouédraogo et al 2015) The difference between pHi and pHf values (ΔpH = pHf‒pHi) was plotted versus the pHi The pHpzc of the sorbent was determined from the point of intersection of the resulting curve, ... 2010) The dTG peaks are respectively 322 and 366°C Another important loss of ~14% due to the decomposition of lignin occurred between 350 and 600°C The results show that the thermal stability of

Ngày tải lên: 16/12/2017, 14:57

... equilibrium The rapid uptake of the dye during the first stage could be attributed to the availability of large number of sites on the surface of the adsorbent to facilitate the adsorption process There ... into the pores of the adsorbent The more concentrated the dye solution, the more time it will take for dye mol-ecules to move from the bulk solution into the pores of the adsorbent [13] The adsorption ... resistances to mass transfer of dye molecules from the solution, toward the surface of the adsorbent [14, 15] Effect of TLLP dosage The impact of TLLP dosage on the removal of MG from aqueous solution

Ngày tải lên: 29/05/2020, 13:12

... Comparison of SEM images of synthesized adsorbent from different materials The X-ray diffraction pattern of adsorbent materials The results of the X-ray diffraction of the materials show that the peak ... in the first 100 minutes of the experiment After 5 minutes from the start of the continuous flow through column analysis, the concentration of As in the water sample of the 3 OL, OM, OS columns ... respectively The O1 has a Quartz accuracy increase of 98.03% and Meghamite of 31.48% higher than that of the H1 material The results of analysis and activation of the material samples have the conversion

Ngày tải lên: 24/01/2021, 14:47

... density of defects in the rGO Additionally, a blue shift of approximately 5 cm⁻¹ in the G band of rGO-TNT further confirms the presence of graphene in the composite These findings underscore the ... for the removal of other toxic chemicals from water and soil.* There still lies a necessity in continuing the research on the adsorption of titanate nanotube/reduced graphene oxide on the other ... for 1hour They were synthesized into three tubes by scale The synthesized TNTs were then calcined at 150 o C The microwave is maintained at a power of 600w for 3 hours for the formation of titanate

Ngày tải lên: 16/05/2021, 11:44

... Synthesis of TNT 23 3.2.2 Synthesis of Graphene oxide 24 3.2.3 Synthesis of rGO-TNT Composite 25 3.2.4 Adsorption Experiment 25 3.2.5 The method of determining the characteristics of the ... a large amount of arsenic Approximately 62,000 tonnes of arsenic release into the environment every year from these activities  Burning of fossil fuels from the household, from the power plant ... greater than the resolution of them, they will increase and the poisoning will appear (Foulkes, 2000) The toxicity of heavy metals is expressed through: (1) Some of heavy metal can be moved from low

Ngày tải lên: 22/05/2021, 07:50

... charge on the particles, the size of the aggregates it forms and the positions of the conductance and valence bands The point of zero charges of the TiO2 is widely reported around pH 6.8, and the TiO2 ... depend on the configuration of the reactor, light intensity, the kind of the contaminant and the type as well as particle morphology of the catalyst 1.1.5.3 Effect of the pollutants and their initial ... avoid the waste use of the catalyst, it is necessary to calculate the optimum dose or loading of the catalyst for the efficient removal of pollutants in the water Certainly, the amount of catalyst

Ngày tải lên: 25/05/2021, 22:48

... that of A.flavus The pH of the biosorption medium affects the solubility of metal ions and the ionization state of the functional groups (ie Amine, carboxylate and phosphate groups) of the fungal ... respectively with the pH of the solution upto 5.0 in A.flavus Whereas biosorption of heavy metals like Zn 58% and Cd 38% in A.fumigatus with the pH of the solution up to 6.0 The pH dependency of metals ... uptake of Pb and other metal ions compared with A.flavus In both the organisms, the accumulation of Pb was found to be high as compared to other metal ions However in the presence of Cr and Cd, the

Ngày tải lên: 28/06/2021, 09:17

... by the biomass is influenced by variations in the concentration of the solution used The greater the concentration of the solution interacted with the fixed amount of adsorbent, the greater the ... determine the level of Cr (VI), and the results of the analysis were the initial concentration of chromium in wastewater The final concentration of Cr in the waste was determined by adding 1 gram of Spirulina ... vibration of Trang 4alcohol The presence of sharp absorption around the wave number 3445.81 cm–1 is the absorption width of the stretching vibration of the primary N-H group and the presence of absorption

Ngày tải lên: 13/01/2022, 00:29

... water-soluble azo group of synthetic dye The sequestration of MO from water bodies is an issue of interest for environmental sciences due to the presence of the azo group that causes the mutagenic and ... The composition of the ion pairs between the cation of the 4b and anion of methyl orange was determined The reuse of the 4b was achieved up to five cycles, with high extraction efficiencies of ... on the nature of the p-substituent, in the 1H NMR spectra of the TAAILs (Figure 2) Accordingly, the protons of the aryl ring for p-OCH3 substituted salts shift to the upfield regions of 1H NMR

Ngày tải lên: 13/01/2022, 00:32

... characteristic vibrations of C-O in the C-O-H group of galactomannan [15, 17] 3.2 Characterization of the obtained magnetic nanoparticles and nanocomposites The structure of the synthesized CoFe2O4 magnetic ... increasing further the ratio to 5.0, the adsorption capacity slightly decreased This could be attributed to the hindrance in approaching the adsorbent surface of the adsorbate if the density of the adsorbent ... highest value of 86.4% Usually, the As(III) treatment efficiency increased by increasing the dosage of the adsorbent This is due to the increasing number of accessible active sites of the adsorbent

Ngày tải lên: 25/10/2022, 10:51

... adsorption may involve the following steps: (i) Migration of the dye from the solution to the surface of the adsorbent (ii) Dye diffusion through the boundary layer on the surface of the adsorbent (iii) ... Adsorption of the dye on the AJCA surface Figure 5 The CV adsorption capacity of the materials at different concentration of solution Table 2 The isotherm constants of the Langmuir and Freundlich isotherms ... 3The kinetic study is an important part of adsorption research because it explains the rate of adsorption, thereby predicting the mechanism of the process and the steps controlling the rate The

Ngày tải lên: 27/01/2023, 13:26

... Synthesis of TNT 23 3.2.2 Synthesis of Graphene oxide 24 3.2.3 Synthesis of rGO-TNT Composite 25 3.2.4 Adsorption Experiment 25 3.2.5 The method of determining the characteristics of the ... a large amount of arsenic Approximately 62,000 tonnes of arsenic release into the environment every year from these activities  Burning of fossil fuels from the household, from the power plant ... is the most essential compound on the earth for the human activities Providing clean water is the prime requirement of the human being for their better health Since the fast growing sector of

Ngày tải lên: 03/04/2023, 14:42

... highlight, set the timer, or even adjust the font size of the illustrated text Other than that, Sach Mem also integrated the audio of each task as well as the structures and grammar theory of the tasks ... analysis The structure of the questions was flexible to help participants freely express their viewpoints without losing the basic foundation of the study The questions of the interviews are about the ... et al., 2019; Liu et al., 2020) Nevertheless, few of them examined the intention of usage from the perspectives of teachers Trang 166 The education system of Vietnam has several similarities

Ngày tải lên: 30/08/2023, 18:04

... series of 100 ml conical flasks Then the pHi values of the solution from pH 2 to 12 using ether 0.1 N HCl or NaOH The total volume of the solution in each flask was made up to 50 ml by adding the ... Transport of MG ions from the boundary film to the external surface of the DS (surface diffusion) and transfer of MG ions from the surface to the intra-particle active sites (pore diffusion) is the ... equilibrium, therefore 0.1 g of raw DS was taken as the optimal dose Enhancing the dose of the sorbent provides a greater number of active sites that can adsorb MG and therefore increases the range of

Ngày tải lên: 11/04/2024, 21:50

... the Freundlich 7 Trang 8isotherm as is evident from the values of regression coefficients The adsorption of Cd(II) increased with increase in temperature The Langmuir model is an indication of ... homogeneity of the adsorbent The thermodynamic parameters, DG0, DS0 and DH0 are reported in Table 2 8 Trang 9 The ability of rice husk to adsorb Cd(II) from water has been explored The extent of removal ... depended on concentration of the solution, pH, temperature and contact time The adsorption process followed the Langmuir isotherm The process was endothermic in nature The results showed that rice

Ngày tải lên: 08/05/2024, 16:28

... energies of of adsorbate isotherm (6) 'e (2) is 408 where, The C e is the concentration constant related 'e Q, signifies to the energy shows that the The values slope and intercept Table The applicability ... and increases with in the I process I stated I in the studies I I I Effect of pH on per cent adsorbent The per cent pH of the again aqueous confirms in the pH effect the to the pH effect I PH Fig ... were time remove prepared with for from the adsorbent 50 100 mL 50 i.e The any Then of The out mL of as dye for an agitation discarded to carried with 250 mg of adsorbent solution washed studies...

Ngày tải lên: 23/09/2012, 14:47

... contributions of Taiwan’s foreign wives are chosen as the focus of this paper We are mainly interested in the characterization and explanation of the reproductive outcomes of the foreign wives from the ... universe of the census was created by merging (1) the records of foreign spouses (not including those from China) in the data system of the National Police Agency, (2) the records of spouses from ... LTFR of only 1.40 children, the wives from China were distinguished as having the lowest fertility level among those from the top five source countries The LTFRs for the foreign wives from the other...

Ngày tải lên: 05/03/2014, 16:20

... roughness, Ra Ra is simply the average of the deviation of the surface profile from the mean line The accuracy of this measure depends on the number of data points being taken, as the following simple ... through the mechanical action of the jet directly striking the sludge itself Rather, it is due to the formation of recirculation zones at the interface between the jet and the sludge as the jet ... inertia effect on the vibration of the beam, the vibration frequency of the composite beam will be lowered Owing to the complexity of the ice not covering the entire beam surface due to the experimental...

Ngày tải lên: 08/09/2015, 18:19