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what effect does salt concentration have on the specific heat of an aqueous salt solution

Adaptation of land use demands to the impact of climate change on the hydrological processes of an urbanized watershed

Adaptation of land use demands to the impact of climate change on the hydrological processes of an urbanized watershed

Môi trường

... Environ Manage 2008, 88, 1119–1130 40 Franczyk, J.; Chang, H The effects of climate change and urbanization on the runoff of the Rock Creek basin in the Portland metropolitan area, Oregon, USA ... direct runoff Similar to the results of annual and wet-season direct runoff, the land-use adaptation strategy can reduce the impact of climate change on direct runoff in the dry season Because of lower ... into runoff and infiltration The infiltration and evapotranspiration will affect the water balance of unsaturated zone and the land use pattern will affect them at the same time When the unsaturated...
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Effect of urban emissions on the horizontal distribution of metal concentration in sediments in the vicinity of Asian large cities

Effect of urban emissions on the horizontal distribution of metal concentration in sediments in the vicinity of Asian large cities

Môi trường

... digestion followed by filtration with a Whatman 5C glass fiber filter was employed for the determination of total lead content before the instrumental analysis On the other hand, the concentration of ... side of Manila Bay The concentration profiles in the sea sediments show the decrease in lead and zinc concentrations in the sediments with the increase in the distance between the river mouth and ... silt and clay with less than 20% sand content However, the third sample contained 64% of sand and other upstream samples mostly consisted more than 97% of sand Lead and zinc concentrations in...
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Effect of dissolved organic matter (DOM) and biofilm on the adsorption capacity of powdered activated carbon in activated sludge

Effect of dissolved organic matter (DOM) and biofilm on the adsorption capacity of powdered activated carbon in activated sludge

Môi trường

... cultivations Summary and conclusions The objective of this study is to clarify the effect of DOM and biofilm on the adsorption capacity of PAC in the aeration tank of PACT process The specific conclusions ... of PAC in the aeration tank was 29% of new PAC The adsorption capacity of the PAC in the aeration tank significantly decreased compared to the new one Figure shows 3,5-DCP concentrations in the ... aeration tank The objective of this study is to clarify the effect of DOM and biofilm on the adsorption capacity of PAC in the aeration tank of PACT process Materials and methods 2.1 Operation of powdered...
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Tài liệu Báo cáo khóa học: The effect of mutations surrounding and within the active site on the catalytic activity of ricin A chain pptx

Tài liệu Báo cáo khóa học: The effect of mutations surrounding and within the active site on the catalytic activity of ricin A chain pptx

Báo cáo khoa học

... of the hexanucelotide is, on the whole, unchanged and the majority of the interactions that were seen in the first model are maintained However, the interaction between G4 and Asn122 can no longer ... R213D in the vicinity of residue 213 The backbone and sidechains of the R213D substitution are shown as stereo images in thick ball and stick and the position of the Arg213 side-chain of the wild-type ... levels and, as such, these mutants could not be purified To assess the effect of substitutions made at each of the arginyl residues on catalytic activity of RTA, the ability of each of the purified...
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Báo cáo khoa học: Effect of oculopharyngeal muscular dystrophy-associated extension of seven alanines on the fibrillation properties of the N-terminal domain of PABPN1 pot

Báo cáo khoa học: Effect of oculopharyngeal muscular dystrophy-associated extension of seven alanines on the fibrillation properties of the N-terminal domain of PABPN1 pot

Báo cáo khoa học

... N-WT, the conversion to the fibrillar conformation is presumably very slow under the applied conditions This assumption, and the fact that seeds lose their activity upon incubation, may be responsible ... for the only moderate acceleration of fibril formation of N-WT by seeds Consequently, an increase in the protein concentration and ⁄ or temperature which is known to reduce the lag phases of fibril ... of alanines determines the atomic structure of the fibril and the b-strand arrangements remains to be determined Yet, knowledge of the structure and biophysical analysis of the fibrils alone will...
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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

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

Sức khỏe giới tính

... distribution of these antimalarial 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 ... terms of medical interventions, and to overemphasize the importance of medical technology It is important to promote the concept of health as the result of the interaction of human beings and their ... the home management of malaria with the use of current and effective antimalarial drugs and reduction in reliance on herbs attributable to increase in awareness of management of malaria and 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

Báo cáo khoa học: What’s in a covalent bond? On the role and formation of covalently bound flavin cofactors doc

Báo cáo khoa học

... order to gain an evolutionary advantage Taking these considerations together, it can be concluded that, for the examined enzymes, removal of the covalent bond has dramatic effects on the flavin redox ... cysteine via the C6 position of the flavin isoalloxazine moiety Removal of the covalent bond by mutating the Cys30 to an alanyl resulted in the formation of 6-hydroxyFMN upon incubation with substrate ... 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...
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Báo cáo khoa học: The effect of heme on the conformational stability of micro-myoglobin doc

Báo cáo khoa học: The effect of heme on the conformational stability of micro-myoglobin doc

Báo cáo khoa học

... also contribute to the conformational stability of holo-lMb Consistently, they are maintained over the 1.5 ns of the simulation (Fig 2) A comparison of the hydrogen-bond distances in Figs and indicates ... holo-lMb, the shielding effect of the heme and the engagement of Arg45 in the salt bridge Fig Three-dimensional model of the salt bridges made by Arg45 and Lys96 with the two propionate groups of heme ... when the distance between the CO group of residue i and the NH group of residue i + was ˚ shorter than 2.5 A A salt bridge was identified when the distance between the nitrogen of the base and the...
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The effect of annealing conditions on the red photoluminescence of nanocrystalline Si/SiO films

The effect of annealing conditions on the red photoluminescence of nanocrystalline Si/SiO films

Vật lý

... PL consists of these two states The peak energy and the PL intensity are determined by the concentrations of these two components at the corresponding annealing temperature and time 4.2 The annealing ... states The peak energy and the spectral shape are determined by the concentration ratio of these two components while the PL intensity is determined by the concentrations of these two components and ... PS The roles of hydrogen that have been suggested are: (1) the passivation of dangling bonds w25–27x; (2) as one of the components of the luminescence centers w11,29x; and (3) responsible for the...
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The Effect of HMOs on the Inpatient Utilization of Medicare Beneficiaries Technical Appendix pptx

The Effect of HMOs on the Inpatient Utilization of Medicare Beneficiaries Technical Appendix pptx

Cao đẳng - Đại học

... parts: the effect on the probability of a year with at least one day, the mean effect on days conditional on any days, and the smearing factor To calculate the effect of a variable on the probability ... in the year, and the second part is how many days, conditional on having one or more This specification is a slight departure from standard admission/length of stay models The focus on days means ... effects on total days are independent, so we can add the variance of the log of those factors to get the variance of the log of the estimated effects on total days Residuals and predictions for...
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Báo cáo Y học: The effect of amino-acid substitutions I112P, D147E and K152N in CYP11B2 on the catalytic activities of the enzyme pdf

Báo cáo Y học: The effect of amino-acid substitutions I112P, D147E and K152N in CYP11B2 on the catalytic activities of the enzyme pdf

Báo cáo khoa học

... from one of the cytochromes P450 with known three-dimensional structure and determination of the sidechain conformations based on information about the backbone secondary structure and the side ... from the comparison of the 11bhydroxylation activities of all constructs (Fig 2B), the introduction of Pro at position 112 enhanced the activity of the first enzymatic reaction step more than threefold, ... hypertension for the mutant K251R of CYP11B2 This mutation caused a 400% and 50–80% enhancement in the formation of 18-OH-B and aldosterone, respectively In conclusion, the studies presented here are the...
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Báo cáo Y học: Effect of coenzymes and thyroid hormones on the dual activities of Xenopus cytosolic thyroid-hormone-binding protein (xCTBP) with aldehyde dehydrogenase activity potx

Báo cáo Y học: Effect of coenzymes and thyroid hormones on the dual activities of Xenopus cytosolic thyroid-hormone-binding protein (xCTBP) with aldehyde dehydrogenase activity potx

Báo cáo khoa học

... lg of xCTBP/xALDH1 in the presence of various concentrations of T3 The inset illustrates the Hill plot, log[vc/vi)1] vs the logarithm of T3 molar concentration, the slope of which yields the ... reaction mixture The reaction was performed at 24 °C with lg of xCTBP/xALDH1 The concentration of retinal was 30 lM and the concentrations of T3 were (d), 0.4 (e), 0.6 (n), 0.8 (h) and lM (s) .The ... Kinetics of the inhibition of xCTBP/xALDH1 by T3 when retinal concentration was varied within the reaction mixture The reaction was performed at 24 °C with lg of xCTBP/xALDH1 The concentration of NAD+...
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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

Báo cáo Y học: Effect of ibuprofen and warfarin on the allosteric properties of haem– human serum albumin A spectroscopic study potx

Báo cáo khoa học

... 1021 M NaCl) and 25.0 8C [22] The HSA concentration ranged between 3.0 Â 1028 M and 2.0 Â 1026 M , the haem concentration was 1.0 Â 1027 M , and the ibuprofen and warfarin concentrations were 5.0 ... affect the coordination 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 ... that does not affect the 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...
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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

a literature review on skills and innovation how does successful innovation impact on the demand for skills and how do skills drive innovation

Hóa học - Dầu khí

... determinant of firm performance The external organisation of the firm (Richardson, 1972) consists of its connections with other organisations operating in the relevant innovation systems Outward connections ... test the correlations among technical change, organizational change and skill change.37 She finds, on the one hand, that both new manufacturing technologies and organizational changes can destroy ... in Chapter Innovation and Skill Biases The effects of innovation on the type and quality of employment are no less important than those on the quantity of employment, and have lately generated...
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Báo cáo hóa học:

Báo cáo hóa học: " The effect of acyclovir on the tubular secretion of creatinine in vitro" pdf

Hóa học - Dầu khí

... Children, Canada) The acyclovir concentrations used in the experiments are representative of concentrations of acyclovir that are found in the plasma and hence, are the concentrations which creatinine ... Toronto, Ontario, M5S 3M2, Canada Authors’ contributions All authors have read and approved the final manuscript submitted to the journal All authors were involved in the conception and design of ... that the concentration of [8-14C] acyclovir in the apical compartment was significantly (p < 0.05) decreased in the presence of quinidine at 15, 22.5 and 30 minutes The effect of acyclovir on creatinine...
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báo cáo hóa học:

báo cáo hóa học: " The effect of hip abduction on the EMG activity of vastus medialis obliquus, vastus lateralis longus and vastus lateralis obliquus in healthy subjects" pot

Hóa học - Dầu khí

... activity of the quadriceps [5,6], diminished EMG activity of the VMO in relation to that of the VL [7-9], and the delayed onset of VMO activation in relation to the VL [1012] caused by the inhibition ... extension at 90° of flexion and MVIC hip abduction at 0° and 30° of abduction for both male and female subjects Discussion were realized by the Bonferroni multiple comparisons analysis Significance ... of flexion compared with the higher activity of the VLL at 15° of flexion, demonstrating that the VMO and VLO muscle have the same behavior suggesting a synchronic antagonist stability role of...
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báo cáo hóa học:

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

Hóa học - Dầu khí

... one consisting of a number of questions The questionnaire by the European organization for research and treatment of cancer (QLQBR23) is merely specialized for breast cancer and measures the life ... European Organization for Research and Treatment of Cancer Quality Questionnaire-Cancer 30; EORTC QLQ-BR23: European Organization for Research and Treatment of Cancer Quality of Life Breast Cancer ... status and educational level of the patients The majority of the participants were aged between 40 to 49 years (32.7% in the experimental group and 40% in the control group), and most of them were...
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Báo cáo hóa học:

Báo cáo hóa học: " Effects of crystallization and dopant concentration on the emission behavior of TiO2: Eu nanophosphors" potx

Hóa học - Dầu khí

... through the creation of dopant levels near the valence band of TiO2 on Fe+3 ion incorporation Therefore, the relative shift of the absorption edge of the semiconductor depends strongly on the difference ... between the ionic radius of the dopant and the host cations, as well as on the chemical nature of the dopants To evaluate the bandgap energy of the nanoparticles associated to their direct transition, ... decrease in the content of titanium and an increase in the relative content of europium are observed with the increasing nominal concentration of the dopant in the samples The XRD patterns of the undoped...
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Báo cáo hóa học:

Báo cáo hóa học: " Effect of phonons on the ac conductance of molecular junctions" doc

Hóa học - Dầu khí

... interaction Dotted line: g = 0.3Γ and ω0 = Γ Conclusion We have studied the additional effect of the e-ph interaction on the ac conductance of a localized level, representing a molecular junction The ... Figure The ac conductance as a function of the ac frequency ω at ε0 - μ = Γ (a) The total conductance when ΓL = ΓR and δμL = -δμR The broken lines indicate the conductance in the presence of e-ph ... Figure The conductance as a function of the ac frequency ω at ε0 - μ = -Γ (a) The total conductance when ΓL = ΓR and δμL = -δμR The broken lines indicate the conductance in the presence of e-ph...
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