0

effect of reaction time ph and competitive anions on arsenic and selenium adsorption

Geochemistry of inorganic arsenic and selenium in a tropical soil  effect of reaction time, ph, and comp

Geochemistry of inorganic arsenic and selenium in a tropical soil effect of reaction time, ph, and comp

Môi trường

... Fig Effect of SO2À at various concentrations on the adsorption of As(III), As(V), Se(IV), and Se(VI) 3.4 Effect of competitive anions on As and Se adsorption Arsenite and Se(VI) adsorption decreased ... species at the same pH 2.2.1 Effect of reaction time, pH and competitive anions The purpose of this kinetic adsorption experiment was to identify the reaction time required for adsorption to reach equilibrium ... of reaction time on Se(IV) and Se(VI) adsorption Numerous studies of pH influence on As adsorption on oxides and hydroxides suggested that As(III) had a sorption maximum at around pH (Pierce and...
  • 11
  • 832
  • 0
báo cáo khoa học:

báo cáo khoa học: " Effect of age, impaction types and operative time on inflammatory tissue reactions following lower third molar surgery" pdf

Báo cáo khoa học

... degree of facial swelling and best mouth opening among the types of impaction A multivariate analysis of the effect of patients’age, sex, type of impaction and operative time on pain, swelling and ... Interaction of operative time and type of impaction had the highest eigenvalue of 2.66 compared to other factors matrix tests, indicating that the interactions of operative time and types of impaction ... inflammatory processes These reactions (pain, swelling and trismus) may be a consequence of the formation of prostaglandins and other mediators of inflammation derived from membrane phospholipids, which...
  • 8
  • 353
  • 0
Báo cáo y học:

Báo cáo y học: "The effect of real-time CPR feedback and post event debriefing on patient and processes focused outcomes: A cohort study: trial protocol" ppsx

Báo cáo khoa học

... legislation and the Standard Operating Procedures of the Department of Anaesthesia, Critical Care, Pain and Resuscitation The sponsor organisation for the trial is Heart of England NHS Foundation Trust ... use of the initial control phase at all sites enables within-site comparison of each intervention with standard care, while the inclusion of Solihull as a control site allows the estimation of ... Page of 17 deeper’; ‘Switch over faster to compressions’ Visual feedback provides information on the adequacy of chest compression depth, compression and ventilation rates and the duration of interruptions...
  • 20
  • 321
  • 0
Báo cáo khoa học: Effect of annealing time of an ice crystal on the activity of type III antifreeze protein pdf

Báo cáo khoa học: Effect of annealing time of an ice crystal on the activity of type III antifreeze protein pdf

Báo cáo khoa học

... allowing uncontrolled growth at the nonequilibrium Tf This leads to the detection of a nonzero TH value at time zero (0 h of annealing) The height and curvature of the convex ice front are defined ... AFP undergoes secondary binding AFP A B solution Fig Schematic drawing of ice growth inhibition of type III AFP based on the adsorption inhibition’ model [3,4] (A) A convex ice front is created ... binding of type III AFP onto the flat ice plane (B) Overgrowth of the convex ice front, giving a low TH value (C) Possible secondary ice binding of type III AFP onto the convex ice front during...
  • 8
  • 520
  • 0
Báo cáo khoa học: Effect of mutations in the b5–b7 loop on the structure and properties of human small heat shock protein HSP22 (HspB8, H11) pptx

Báo cáo khoa học: Effect of mutations in the b5–b7 loop on the structure and properties of human small heat shock protein HSP22 (HspB8, H11) pptx

Báo cáo khoa học

... a-crystallin domain of human sHsp is very conservative and the loop connecting the b5 and b7 strands is shorter than the corresponding loop connecting the b5 and b7 strands of nonmetazoan sHsp (Fig ... insulin results in dissociation of its peptide chains and aggregation of chain B Addition of the wild-type HSP22 retarded the onset of aggregation and decreased the amplitude of light scattering induced ... different times The reaction was stopped by the addition of phenylmethanesulfonyl fluoride up to a final concentration 0.2 mm and the protein composition was determined by SDS gel electrophoresis...
  • 15
  • 431
  • 0
Báo cáo khoa học: Effect of mutations at Glu160 and Val198 on the thermostability of lactate oxidase doc

Báo cáo khoa học: Effect of mutations at Glu160 and Val198 on the thermostability of lactate oxidase doc

Báo cáo khoa học

... [S] and V are, respectively, the L-lactate concentration and the initial reaction rate Results and discussion Irreversible enzyme inactivation assay of mutant lactate oxidases at position 160 On ... combinations of mutations, and the resulting effects of the amino acid substitutions at different positions, are usually additive, our findings for two types of double mutations (N212D/E160G and E160G/V198I) ... Arg143 and the main-chain carbonyls of Lys181 and Asn182 directly, and the main-chain carbonyl of Glu184 by way of a water molecule However, in lactate oxidase, the exchange of the E160G mutation...
  • 6
  • 512
  • 0
Báo cáo sinh học:

Báo cáo sinh học: " Comparison of real-time PCR and hemagglutination assay for quantitation of human polyomavirus JC" pptx

Điện - Điện tử

... copies of viral DNA per 100 µL of virus suspension The reliability of real -time PCR was defined by calculating coefficients of variation of Ct values of replicates of standard curve dilutions [21,26] ... lack of standard methods for JCV detection and quantitation JCV major capsid protein, VP-1, is responsible for red blood cell (RBC) agglutination and traditionally, hemagglutination (HA) and HA ... uniformly controlled detection and quantitation techniques are essential for in vitro monitoring of JCV replication In this study, we investigated the relationship between real -time PCR and HA assays...
  • 5
  • 358
  • 0
báo cáo hóa học:

báo cáo hóa học: " A case study of new assessment and training of unilateral spatial neglect in stroke patients: effect of visual image transformation and visual stimulation by using a head mounted display system (HMD)" doc

Điện - Điện tử

... Ifukube and T Izumi were involved in conception and design of the study, interpretation of the data and revision of the manuscript for important intellectual content Each of the authors has read and ... frame of reference NeuroImage 2003, 20:75-81 Karnath HO: Spatial orientation and the representation of space with parietal lobe lesions Philosophical Transactions of the Royal Society of London ... Authors' contributions TT performed the design of this study, acquisition and analysis of data and drafting the manuscript SS made substantial contribution to acquisition and analysis of the data...
  • 8
  • 538
  • 0
báo cáo hóa học:

báo cáo hóa học:"Comparison of real-time PCR and hemagglutination assay for quantitation of human polyomavirus JC" potx

Hóa học - Dầu khí

... copies of viral DNA per 100 µL of virus suspension The reliability of real -time PCR was defined by calculating coefficients of variation of Ct values of replicates of standard curve dilutions [21,26] ... lack of standard methods for JCV detection and quantitation JCV major capsid protein, VP-1, is responsible for red blood cell (RBC) agglutination and traditionally, hemagglutination (HA) and HA ... uniformly controlled detection and quantitation techniques are essential for in vitro monitoring of JCV replication In this study, we investigated the relationship between real -time PCR and HA assays...
  • 5
  • 327
  • 0
Báo cáo hóa học:

Báo cáo hóa học: " Phonon Raman spectra of colloidal CdTe nanocrystals: effect of size, non-stoichiometry and ligand exchange" docx

Hóa học - Dầu khí

... 2011CB933300), China Authors’ contributions JY, XT, CG, JL, YH and KW contributed to the fabrication of the TiO2 nanotube arrays; DW, XF and DZ contributed to the assenmbly of DSSCs and performance measuremenet ... http://www.nanoscalereslett.com/content/6/1/94 Page of Figure Characterization of surface topography (a) FESEM image of an anodized Ti wire with a diameter of 127 μm; (b) FESEM image of outer surface of an as-anodized ... Page of surface to volume ratio that leads to much lower dye adsorption capability Second, the projection areas of the DSSCs were simply taken as the illumination areas in our calculations One...
  • 10
  • 359
  • 0
Báo cáo hóa học:

Báo cáo hóa học: " Synergistic Effect of Functionalized Nickel Nanoparticles and Quercetin on Inhibition of the SMMC-7721 Cells Proliferation" potx

Hóa học - Dầu khí

... The effect of different quercetin concentrations on SMMC7721 cancer cells in the absence and presence of Ni nanoparticles was carried out by MTT assay The final concentrations of quercetin and ... to the change of the cell membrane and formation of holes (arrows) on the surface of the relevant cell into cancer cells and increase the concentration of drug in cancer cells and thus could ... permeation and uptake of quercetin into SMMC-7721 cancer cells 123 On the basis of these observations, the cytotoxicity suppression effect of quercetin on SMMC-7721 cells in the absence and presence...
  • 8
  • 306
  • 0
ON MONOTONICITY OF SOLUTIONS OF DISCRETE-TIME NONNEGATIVE AND COMPARTMENTAL DYNAMICAL potx

ON MONOTONICITY OF SOLUTIONS OF DISCRETE-TIME NONNEGATIVE AND COMPARTMENTAL DYNAMICAL potx

Báo cáo khoa học

... notion of monotonicity of solutions of nonnegative dynamical systems Furthermore, we provide necessary and sufficient conditions for monotonicity for linear nonnegative dynamical systems In Section ... Monotonicity of solutions The contents of the paper are as follows In Section 2, we establish definitions and notation, and review some basic results on nonnegative dynamical systems In Section ... Monotonicity of nonlinear nonnegative dynamical systems In this section, we extend the results of Section to nonlinear nonnegative dynamical systems Specifically, we consider discrete -time, nonlinear...
  • 11
  • 200
  • 0
Effect of sodium dodecyl sulphate and sonication treatment

Effect of sodium dodecyl sulphate and sonication treatment

Hóa học

... decrease while sonication increased the amylose content SDS + sonication did not have any significant effect on amylose content of sago starch The effect of SDS + sonication treatment on sago starch ... amylopectin ratio and phosphorus content and by the characteristics of the amylose and amylopectin in terms of molecular weight/distribution, degree of branching and branch length, and conformation (Singh ... evaluate the effects of sodium dodecyl sulphate (SDS), sonication and combination of both treatments on the removal of starch granuleassociated proteins of corn and mung bean starch because it contained...
  • 7
  • 474
  • 0
Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Effect of plant age, temperature and rainfall on Lepidoptera insect pests collected with light traps in a Eucalyptus grandis plantation in Brazil" docx

Báo cáo khoa học

... monthly mean annual temperature and rainfall during the five years of study with Pearson correlation based on a significance level of 5% with the t test The effect of age of the plantation on ... five years of collection over data of temperature and rainfall to prepare the graphics The total number of individuals of Lepidoptera major and lesser important pests and of those of the most ... periods of higher populations of these species and to reduce monitoring and control costs Besides, it can facilitate introduction of natural enemies [23] to maintain pest populations below level of...
  • 6
  • 301
  • 0
Báo cáo khoa học:

Báo cáo khoa học: "developments in the redrying and storage of prechilled beechnuts (Fagus sylvatica L.): effect of seed moisture content and prechilling duration" docx

Báo cáo khoa học

... (table III and IV) conclusion, the ability to dry and store non-dormant seeds has definitely opened new possibilities in the handling and preparation of dormant species The integration of dormancy ... moisture content and the duration of chilling and ii) to follow prechilling conditions, A part of the seedlot (25 kg) was prechilled just after arrival The following m.c and prechill durations were ... B., Conditions for the breaking of dormancy and germination of the seeds of Aesculus hippocastanum L., Arbor Kornickie 11 (1966) 203-220 [16] Suszka B., Dormancy, storage and germination of Arbor...
  • 9
  • 458
  • 0
Báo cáo khoa học:

Báo cáo khoa học: "Effects of buffer system pH and tissue storage on starch gel electrophoresis of allozymes in three tropical tree species" pps

Báo cáo khoa học

... extraction conditions which permit long-term storage and optimum resolution in the gels This paper reports the effects of 16 valof electrophoresis buffer pH, tissue storage conditons, and storage times ... 16 différents pH de tampons d’électrophorèse (tableau /), de conditions de conservation des tissus et de durées de conservation ont été évalués pour l’électrophorèse sur gel d’amidon de 18 enzymes ... auriculiforme, R mangium, and T superba, respectively (see below for description) The effect of buffer pH on some of these zones is shown in figures 1-10 In general, clear and consistent zones of activity...
  • 20
  • 309
  • 0
Báo cáo y học:

Báo cáo y học: "Enhanced glutamate, IP3 and cAMP activity in the cerebral cortex of Unilateral 6-hydroxydopamine induced Parkinson’s rats: Effect of 5-HT, GABA and bone marrow cell supplementation" ppsx

Báo cáo khoa học

... Izumiyama Y, Tonozuka-Uehara H, Kawai M: Immunoelectron-microscopic demonstration of NACP/alphasynuclein-epitopes on the filamentous component of Lewy bodies in Parkinson’s disease and in dementia ... amphetamine on the 14 th day after intranigral injection of 6-OHDA and with apomorphine on the 16th day Animals that had completed a 360◦ circle towards the intact (contralateral) and the lesioned ... binding of the radioligand on the X-axis and bound/free on the Y-axis The maximal binding is a measure of the total number of receptors present in the tissue and the equilibrium dissociation constant...
  • 10
  • 456
  • 0
Báo cáo y học:

Báo cáo y học: "The effect of high correlated colour temperature office lighting on employee wellbeing and work performance" ppt

Báo cáo khoa học

... based on very small sample sizes and generally conducted within carefully controlled laboratory type environments There is currently little understanding of the effect of lighting conditions outside ... functioning and (iii) mental health compared to the reference US population (respective two-sided t-tests and pvalues after application of Bonferroni correction: -5.60 and p < 0.001; -4.34 and ... the possibility of biased responses to questionnaires by those on either floor and cross contamination of information between the groups There is also a possibility of bias in responses due to the...
  • 9
  • 403
  • 0
Báo cáo y học:

Báo cáo y học: "Effect of the Cannabinoid Receptor-1 antagonist SR141716A on human adipocyte inflammatory profile and differentiation" ppt

Báo cáo khoa học

... SR141716A and LPS reversed this effect, and restored the adiponectin levels to those of the control cells Effect of SR141716A on pre-adipocyte differentiation and gene expression In order to understand ... peripheral effects of SR141716A on adiponectinemia in human obesity are, in the end, a summation of all of these effects Interestingly, in rodents, the amelioration of glucose intolerance and ... triglyceride and fatty acid levels, and with reduction of HDL-C [5] The development of pharmacological tools is of enormous interest in the fight against obesity and its metabolic consequences One new physiological...
  • 38
  • 555
  • 0

Xem thêm

Tìm thêm: xác định các mục tiêu của chương trình khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25