three effects of ozone depletion on the ecosystem
Tài liệu Báo cáo Y học: The effects of low pH on the properties of protochlorophyllide oxidoreductase and the organization of prolamellar bodies of maize (Zea mays) pot
... 12B. The effect of the presence of the adenylates on the ability of POR-PChlide640to undergophotoconversion was checked by comparing the efficiency of photoconversion of PLB samples containing ... during the course of prepar-ation cannot be excluded, but that still leaves unanswered the question of how the addition of micromolar concentra-tions of NADPH suffice to drive the conversion of ... disaggregation, removes these constraintsdestabilizing the cubic phase, resulting in the relaxation of the membrane into the planar configuration characteris-tic of the prothylakoid region of the etioplast...
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Báo cáo khoa học: Context-dependent effects of proline residues on the stability and folding pathway of ubiquitin docx
... substitutions imposed on the backbone conformation of WT* shows that the pattern of P37P38P19W45Fig. 1. Ribbon structure modelled on the X-ray structure of humanubiquitin [32]. The position and ... solution of native protein wasunfolded by a 1 : 10 dilution to yield final concentrations of GdmCl near or above the midpoint of the equilibriumunfolding transition (concentrations of GdmCl in the range ... that the reduction in stability of thesemutants is largely manifested in perturbations to the unfolding rates with the degree of compactness of the TSE (aD) and linearity of the chevron plots...
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The Effects of Land Use on the Mobility of Elderly and Disabled and Their Homecare Workers, and the Effects of Care on Client Mobility: Findings from Contra Costa, California pdf
... Based on Metropolitan Transportation Commission (MTC) data i The Effects of Land Use on the Mobility of Elderly and Disabled and Their Homecare Workers, and the Effects of Care on Client ... providers, and the extent of care consumers received. The six interrelated hypotheses predicted that, given the income constraints of both populations and the disability constraints of the consumer ... 40In terms of language, about 5% of consumer and provider respondents used the Spanish version of the survey, while 7.4% of Contra Costa IHSS consumers consider Spanish to be their primary...
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Báo cáo khoa học: Effects of cardiomyopathic mutations on the biochemical and biophysical properties of the human a-tropomyosin docx
... assayed by varying the concen-tration of Tm in the presence of constant concentration of F-actin and myosin S1. In this condition, Tm inh ibits the ATPase activity as its concentration increases [33]. ... stability of the protein as a whole, ratherthan on the position of the mutation in the polypeptide chain,as demonstrated by the biophysical assays. Our studies h aveprovided additional contributions ... f the mutant Tms. The mutations d id not affect the structure of the proteinas there was no significant alteration in the f unction or in the amount of th e s econdary s tructure. However, the...
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Báo cáo "Effects of Zn content on the magnetic and magnetocaloric properties of Ni-Zn ferrites " pdf
... lattice constant and volume of unit cell increase with Zn content in the samples due to larger ionic radius of Zn2+ ion (0.82 Å) substituted for Ni2+ ion (0.78 Å). The X-ray density, the real ... Exchange interactions between magnetic ions through oxygen ion are superexchange interaction with antiferromagnetic nature. These interactions depend on bond distance and bond length. Normally ... each other below the freezing temperature Tf indicating the onset of blocking of clusters. The sample settles into the frozen state below temperature Tf. This behavior is attributed to the...
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effects of cultivating conditions on the mycelial growth
... whenammonium salts were used as the nitrogen source, the pHdecreased during the mycelium growth as the result of assimilation of the ammonium ion and the attendant effects of acids anions in the ... corre-sponding to a higher dry mycelium concentration. The formation of pellets is largely determined by the extent of agitation and aeration. The effect of aeration on the growth of mushroom ... mycelia.3.3Effect of surface aeration The effects of the surface aeration were investigated byvarying the volume of ¯ask so that the ratio of the surfacearea of the liquid exposed to air to the liquid...
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báo cáo hóa học: " Shedding light on walking in the dark: the effects of reduced lighting on the gait of older adults with a higher-level gait disorder and controls" ppt
... Hausdorffdrafted the manuscript. All authors helped with the inter-pretation of the results, reviewed the manuscript and par-ticipated in the editing of the final version of the manuscript.AcknowledgementsWe ... effects of blurring vision in the elderly. Invest Oph-thalmol Vis Sci 2004, 45:2122-2128.11. Perry SD, Santos LC, Patla AE: Contribution of vision and cuta-neous sensation to the control of ... examined the effect of lighting changes on the gait of older adults with a HLGD and compared theirresponse to that of healthy elderly controls. More specifi-cally, we hypothesized that the response...
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báo cáo hóa học:" Effects of rock wool on the lungs evaluated by magnetometry and biopersistence test" docx
... enables the determination of whether or not the substance is responsible for lunginjury. The decay constant indicates the degree of cytotox-icity: the greater this value, the smaller the cytotoxicity.Aizawa ... with L > 20 μm. The arithmetic mean (SD) of the weight concentrationwas 100.0 (29.9) mg/m3.In the pathological evaluation, the arithmetic mean (SD) of the fiber concentration was 390.7 (170.4) ... Chi-yotani K: Magnetometric evaluation of the effects of galliumarsenide on the clearance and relaxation of iron particles.Ind Health 1993, 31:143-153.Journal of Occupational Medicine and Toxicology...
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Báo cáo hóa học: " Effects of silver impurity on the structural, electrical, and optical properties of ZnO nanowires" doc
... [30]. The HW-PLDenablesthesynthesisofoxideNWswhilecontrolling the doping concentration feature. The dop-ing could be controlled by adjusting the target co mposi-tion since it guarantees the ... Nanoelectronics, School of Engineering, University of Science and Technology, 52 Eoeun dong, Yuseong-gu, Daejeon 305-333,Republic of KoreaFull list of author information is available at the end of the ... NWswith low Ea of 5.18 meV have a good condition for mak-ing Ag-doped ZnO NWs. These results demonstratethat the Ea of SZ O NWs is very sensitive depending on the concentration of Ag elements.AcknowledgementsThis...
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Báo cáo hóa học: " Effects of NiO nanoparticles on the magnetic properties and diffuse phase transition of BZT/NiO composites" potx
... ions substituting the Ti ions (at the B site). Therefore, substitution of the Ni ions at the B site may result in breaking the long-range ordering, resulting in a reduction of the ferroelectric ... transition of the samples. From Figure 4, the increase of loss tangent with NiO content implies a higher electrical conductivity of the composites. However, the highest loss tangent in the present ... Authors' contributions PJ carried out the experiments, analysis, and writing of the manuscript. SE, KP, and TT participated in the conception and design of the study. DPC and GR revised the manuscript...
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Báo cáo vật lý: "Comparison of the Effects of Organoclay Loading on the Curing and Mechanical Properties of Organoclay-Filled Epoxidised Natural Rubber Nanocomposites and Organoclay-Filled Natural Rubber Nanocomposites" pot
... hydrocarbon in the vulcanisate, whilst a and b are constants. The higher the Qf/Qg values, the lower the extent of the interaction between the filler and the matrix. 2.5 Measurement of Tensile ... amounts of organoclay. The improvements of the thermal stabilities of a polymer by hybridising organoclay was due to the layered silicates of organoclay that make the path longer for the thermally ... ENR 50 will reduce the formation of intermolecular sulphide links. This will increase the efficiency of the vulcanisation process of ENR, which results in the higher values of the minimum and...
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Báo cáo vật lý: "Effects of Electrolyte Natures on the Formation of Well-Ordered Titania Nanotubes Produced Via Anodisation" potx
... mouths were opened on the top of the layer, while the tubes were closed by the presence of a layer of titania on the bottom of the structure. Here in, we discuss the influence of different electrolyte ... open on the top [Fig. (6b)] of the layer, while the tubes were closed by the presence of a layer of titania on the bottom of the structure [Fig. (6c)]. Figure 6: FESEM micrograph of (a) ... nanotubes are of interest due to their one-dimensional (1D) nature, ease of handling and simple preparation. Not only can the band gap of the material be altered due to the quantum confinement...
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Báo cáo khoa học: "Effects of Tributyltin Chloride on the Reproductive System in Pubertal Male Rats" pptx
... evaluation of the developmental toxicity of tributyltin chloride in rats. Toxicology 1995,96, 195-2018.Ema, M., Harazono, A. and Ogawa, Y.Effect of the day of administration on the developmental ... disrupting action of TBT was ascribed to the secretion of Penis Morphogenic Factor (PMF) inducing maledifferentiation and/or hormonal disruption by inhibition of aromatase [16].There are scarcely ... identifying short-term effects of TBT compounds on reproductive system in male rats.Therefore, the present study was to investigate effects of Effects of Tributyltin Chloride on the Reproductive System...
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