what effect does surface area have on the evaporation rate ofwater
The effect of sulphuric acid activation on the crystallinity, surface area, porosity, surface acidity, and bleaching power of a bentonite
Ngày tải lên :
09/10/2015, 00:00
... of macropores on the surface area is negligible Furthermore, bleaching earths behave as solid acids Broănsted and Lewis acid sites on their surfaces are proton donors and electron pair acceptors, ... depending on the mineralogical and chemical composition of the activated bentonite, type and concentration of the inorganic acid, used in the process and also temperature and time of activation The ... activation with a H2SO4 content of 50% by mass The crystallinity of the non-clay minerals are not affected by the acid activation process 3.2 Nitrogen adsorption and desorption isotherms The N2...
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Perceived Effect of Industrial Water Pollution on the Livelihood of Rural Dwellers in Yewa Area, Ogun State,Nigeria ppt
Ngày tải lên :
06/03/2014, 23:20
... of respondents have no formal education, while the remaining has one form of education or the other while only 4.6% has tertiary education 3.1.1 Perceived Effect of Industrial Pollution on Livelihood ... because of the effect of pollution Stream are not contaminated, therefore they are good for irrigation The risk of health and crop failure is increasing by the day People live longer here than the communities ... area The study shows that There is a significant relationship between the respondents age and perceived effect industrial pollution (r=0.736, p
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EFFECT OF THE NUMBER OF THE VERTICAL PIPES FOR THE PASSIVE AERATION ON THE COMPOSTING RATE
Ngày tải lên :
05/09/2013, 08:40
... effect by the natural convection (Shimizu and Morita, 1962) However, there have been no studies of the effect of the vertical pipes on the passive aeration and the composting rate The objective ... based on the ratio of carbon loss as CO2 to the carbon contained in the DF alone In our investigation, the concentrations of CO2 from about to 19% in the exhaust gas were detected during each of the ... determine the effect of the number of the ventilation pipes on the composting rate, an attempt was made to correlate the composting rate with the number of the perforated pipes for air supply in the...
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Tài liệu IMPACT OF BANK COMPETITION ON THE INTEREST RATE PASS-THROUGH IN THE EURO AREA pptx
Ngày tải lên :
15/02/2014, 05:20
... examine the effect of loan market competition on the level on bank loan and deposit rates; second, using a panel error-correction model (ECM) we estimate the effect of loan market competition on the ... ECM long-run equation does not assume full pass-through of market rates within one month Table 6.4 shows that the effect of the interaction terms with the Boone indicator of competition and the ... competition Where the traditional interpretation is that concentration erodes competition, concentration and competition may instead increase simultaneously when competition forces consolidation For...
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The effect of health education intervention on the home management of malaria among the caregivers of children aged under 5 years in Ogun State, Nigeria pptx
Ngày tải lên :
14/03/2014, 21:20
... drugs by the National Malaria Control Programme It also demonstrated the effect of health education on the proportions and promptness of appropriate actions taken among the respondents for early ... care at home The study strongly demonstrated the effect of health education in the home management of malaria There was a statistically significant relationship between the proportions of appropriate ... environmental sanitation, and for other priorities within the health services in the control and eventual eradication of malaria Given the nature of the experimental study, the interpretation of the...
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Báo cáo khoa học: What’s in a covalent bond? On the role and formation of covalently bound flavin cofactors doc
Ngày tải lên :
16/03/2014, 01:20
... itself if deprotonation of the 8-methyl group (step 1, Fig 2) were rate- limiting; the pKa (or rate of deprotonation) of the 8-methyl proton should be a function of the electron affinity (i.e redox ... unstable, in contrast to the wild-type MAO A, which is stable under the same conditions In this case, it appears that one role of covalent flavinylation is to stabilize the native conformation of the protein ... observed on mutating the amino acids involved in covalent flavinylation As mentioned before, removal of one of the covalent bonds affects the redox potential However, on the basis of changes in the...
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Báo cáo khoa học: The effect of zinc oxide nanoparticles on the structure of the periplasmic domain of the Vibrio cholerae ToxR protein pot
Ngày tải lên :
23/03/2014, 03:20
... electrostatic surface recognition, the ionic strength of the medium would be expected to have an effect on the binding [43] To study the effect of ionic strength on the conformation of ToxRp in the presence ... Corporation, Kyoto, Japan) The difference between the initial and final concentrations of ToxRp gave the amount of adsorbed protein on the surface of the ZnO NP [28] For derivation of the surface area ... binding one can speculate on the nature of the interaction between ToxRp and ZnO NPs, and 4190 the consequent effect on protein conformation The NP-treated protein is more susceptible to denaturation...
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Báo cáo khoa học: The effect of pH on the initial rate kinetics of the dimeric biliverdin-IXa reductase from the cyanobacterium Synechocystis PCC6803 pptx
Ngày tải lên :
23/03/2014, 05:22
... and the variation of initial rate with the concentration of the second substrate is then used to estimate kcat and the Km for the variable substrate However, the assumption that a concentration ... against the concentration of inhibitory product The straight line intercepted the x-axis at –Kis to give the inhibition constant for the slope effect For inhibition constants involving intercept effects, ... effects, the reciprocal of the apparent Vmax was plotted against the concentration of inhibitory product and the inhibition constant for the intercept effect (Kii) was determined from the intersection...
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Báo cáo Y học: Effect of ibuprofen and warfarin on the allosteric properties of haem– human serum albumin A spectroscopic study potx
Ngày tải lên :
31/03/2014, 23:20
... Values of the paramagnetic contribution to the overall water solvent relaxation rate (R1p) were determined by subtracting from the observed relaxation rate (Robs ) the blank relaxation rate value ... state of haem iron (see Fig 2), His242 does not appear to be a likely candidate for the axial haem bonding CONCLUSIONS The effect of ibuprofen and warfarin on the electronic absorption spectroscopic, ... inner coordination sphere of the haem iron atom Fig Effect of ibuprofen and warfarin on the electronic absorption spectroscopic properties of ferric HSA–haem Electronic absorption spectra of ferric...
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study the effect of welding joint location on the fatigue strength and fatigue life for steel weldment
Ngày tải lên :
24/05/2014, 20:35
... this work is the study the effect of the location of welding joint on the fatigue life and fatigue strength of rotating steel shaft and finding the best location for welding joint The scope of ... algebraic The fatigue stress concentration factor (Kf) minus sign and called the minimum stress depend on the value of stress concentration (Kt) The mean stress (σm) is algebraic average of and the ... with the grains in fusion area been bigger than grains respect to un-welded sample in base material and the carbon content increased 5-Figure (17) show the failure location for in fusion area, ...
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a literature review on skills and innovation how does successful innovation impact on the demand for skills and how do skills drive innovation
Ngày tải lên :
02/06/2014, 09:22
... automation of production tasks On the one hand, new machines have increasingly substituted for the labour of unskilled workers On the other, they have been introduced in combination with the labour ... establish the context for the review of the literature on the relationship between skills and innovation which follows We have seen that the government has high ambitions for the UK: “We want the UK ... Innovation and the Demand for Skills Question – The Supply of Skills and their Implications for Innovation Question – The Interaction between Skills and Innovation Policy Considerations The Strengths...
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báo cáo hóa học:" Effect of different cuff widths on the motor nerve conduction of the median nerve: an experimental study" doc
Ngày tải lên :
20/06/2014, 01:20
... the tourniquet following a surgery A few studies have mentioned ischemia to be the cause of the impaired conduction in the nerve [7] whereas others have mentioned deformation resulting from the ... points The motor nerve conduction velocity before and following the application of the two cuffs was calculated by dividing the distance between the two stimulation sites by the difference in the onset ... of the motor nerve conduction was taken by stimulating at both the axilla and the ante-cubital fossa The first recording was done at 5th minute of inflation, the second one at 10th minute and the...
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báo cáo hóa học:" The effect of peer-led education on the life quality of mastectomy patients referred to breast cancer-clinics in Shiraz, Iran 2009" pot
Ngày tải lên :
20/06/2014, 16:20
... scales The functional scales consist of the general health condition, physical function, mental function, psychological function and the social function The symptomatic scales consists of fatigue, ... session lasted for one hour The training sessions for peer educators were conducted by experts in the psycho-oncology field In the second stage these peer educators were asked to go to the groups ... and all the personnel for their valuable help and cooperation Also the authors would like to acknowledge all the patients for their active contribution and participation in this research The authors...
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H OW TO BE HAVE ON THE WARDS pptx
Ngày tải lên :
05/08/2014, 16:20
... questions, follow these guidelines: Read the answers first For all questions longer than two sentences, reading the answers first can help you sift through the question for the key information Look ... arises from the aorta at the level of L1 Veins drain into the vena cava on the right side and the left renal vein on the left Nerve Supply Derived from the aortic plexus FIGURE 2-3 Fascia of the pelvis ... content list and the corresponding review book sections days before exam: Read the entire review book, concentrating on lists and mnemonics days before exam: Exercise, eat well, skim the book, and...
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Báo cáo lâm nghiệp: "Effect of contrasting water supply on the diameter growth of Norway spruce and aspen in mixed stands: a case study from the southern Russian taiga" pot
Ngày tải lên :
08/08/2014, 00:22
... proportions and with admixture of some other deciduous species are typical in the region of the southern European taiga The area of the southern European taiga is characterised by moderate humid ... according to their portion in the stand basal area Within each species the sample trees were selected according to its tree basal area distribution [4] In addition, one observation was done in November ... the important question is, what is the impact of climatic extremes on stem growth in spruce and aspen as dominant tree species in the region? Unique anomalous weather conditions favourable for...
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Báo cáo toán học: " Effect of water stress conditioning on the water relations, root growth capacity, and the nitrogen and non-structural carbohydrate concentration of Pinus halepensis Mil" pot
Ngày tải lên :
08/08/2014, 14:21
... root N concentration than the other treatments, whereas the moderately conditioned ones presented the highest concentration (table II) Shoot starch concentration increased with conditionModerate ... were not made, the lower desiccation rate exhibited by the moderately and strongly conditioned plants was probably the consequence of a reduction in stomatal conductance RGC has been considered as ... irrigation place took pd when Ψ place when pd Ψ strong conditioning - irrigation took place when -2.2 MPa; pd Ψ was control - irrigation once a week Control treatment consisted of the...
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Báo cáo khoa học: "Effect of endomycorrhizas and nematodes on the growth of seedlings of Dicorynia guianensis Amshoff, a tree species of the tropical rain forest in French Guiana " docx
Ngày tải lên :
08/08/2014, 18:21
... between the control (non-mycorrhizal) and the Si treatment (heavily mycorrhizal as a consequence of the inoculation) can be attributed to mycorrhizas The conclusion is the same with the root ... in the forest as in the experiment This strongly supports the hypothesis that the endomycorrhizal status of the seedlings is a critical factor controlling the regeneration of D guianensis in the ... symbionts All these facts suggest that the fungal communities were not the same in the different treatments and/or that the inoculum type influenced the colonization rapidity and the efficacy of the...
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báo cáo khoa học:" The effect of peer-led education on the life quality of mastectomy patients referred to breast cancer-clinics in Shiraz, Iran 2009" pot
Ngày tải lên :
12/08/2014, 01:21
... scales The functional scales consist of the general health condition, physical function, mental function, psychological function and the social function The symptomatic scales consists of fatigue, ... session lasted for one hour The training sessions for peer educators were conducted by experts in the psycho-oncology field In the second stage these peer educators were asked to go to the groups ... and all the personnel for their valuable help and cooperation Also the authors would like to acknowledge all the patients for their active contribution and participation in this research The authors...
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Báo cáo khoa học: "The Effect of Eradication of Lice on the Occurrence of the Grain Defect Light Flecks and Spots on Cattle Hide" pptx
Ngày tải lên :
12/08/2014, 15:20
... for the control of lice in cattle was undertaken together with the investigation of the hides The results of the clinical evaluations indicated that eradication can be an appropriate control strategy ... cm2 the eradication of lice to 61.6% after eradication The average sum score of the hides in the group decreased from 3.52 before eradication to 1.46 after eradication The general effects of the ... study may have a temporary effect on the fly population in the herds However, stable fly may be a cause of the persistence of light flecks and spots on hides after the eradication of lice The frequency...
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Effect of heat transfer law on the finite time exergoeconomic performance of a generalized irreversible carnot heat engine
Ngày tải lên :
09/09/2015, 10:32
... QLc ) = ψ P (37) The optimization of the profit rate also leads to the maximization of the power output P of the generalized irreversible heat engine cycle On the other hand, with the price of work ... are the relations between profit rate and efficiency of the irreversible Carnot heat engine based on the radiative heat transfer law The relationships between the profit rate and efficiency of the ... optimization criterion considering thermodynamic parameters per unit total cost In many pioneer works concerning finite-time exergoeconomic optimization for heat engines, the basic thermodynamic...
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