0
  1. Trang chủ >
  2. Khoa Học Tự Nhiên >
  3. Môi trường >

Adsorption characteristics of Ni2+ ion onto the diethylenetriaminepentaacetic acid-melamine / polyvinylidene fluoride blended resin

Adsorption characteristics of Ni2+ ion onto the diethylenetriaminepentaacetic acid-melamine / polyvinylidene fluoride blended resin

Adsorption characteristics of Ni2+ ion onto the diethylenetriaminepentaacetic acid-melamine / polyvinylidene fluoride blended resin

... characteristics of the adsorption sites on the resin. The adsorption of Ni 2+ ions onto the blended resin was found to be an ion- exchange process. The adsorption process was found to be an exothermic, ... the adsorption of Ni 2+ by the blended resin is a spontaneous, exothermic process. Table 4. Thermodynamic parameters for the adsorption of Ni 2+ on the blended resin T/K ∆G /( kJ⋅mol –1 ) ∆H /( kJ⋅mol ... (ESEM) and N 2 adsorption/ desorption experiments. The Ni 2+ ion sorption of the blended resin from aqueous solution was measured, along with the adsorption isotherm and the batch sorption kinetics....
  • 12
  • 377
  • 0
Báo cáo khoa học: Creation of a new eye lens crystallin (Gambeta) through structure-guided mutagenic grafting of the surface of bB2 crystallin onto the hydrophobic core of cB crystallin pot

Báo cáo khoa học: Creation of a new eye lens crystallin (Gambeta) through structure-guided mutagenic grafting of the surface of bB2 crystallin onto the hydrophobic core of cB crystallin pot

... deletions of other cB residues,leads to formation of a soluble protein that displaysmany of the structural stability characteristics of cBcrystallin and most of the surface characteristics of bB2 ... Gdm.HCl concentrations between 0.3 and 1.75 m;this is because of the precipitation of Gambeta seenat these concentrations of Gdm.HCl, which is reversedat higher concentrations of the denaturant.ABFig. ... spectrometer,using the instrument in the reflector mode with a suffi-ciently high resolution offering sub-Dalton accuracy fordetermination of the masses of tryptic peptides. Atotal of 13 out of 20 expected...
  • 13
  • 430
  • 0
Modeling the Statistical Time and Angle of Arrival Characteristics of an Indoor Multipath Channel

Modeling the Statistical Time and Angle of Arrival Characteristics of an Indoor Multipath Channel

... include the complex reflection coefficient ofthe surface, the antenna gain in the direction of the reflected path, and path attenuation .The time dependence of Γ(t) andξ(t) is due to the fact that all of ... is due to the fact that all of these properties, aswell as the location of the reflection point, change as either the transmitter or receivermoves. The amplitude of the diffuse component, ξ(t) is ... reach the next adjacent antenna. The propagation time is (dsin θ)/c, where c is the speedof propagation. Therefore, to maximize the desired signal, the output should be:y(t) =x0(t) + ej2πdsin θ/cx1(t)...
  • 73
  • 509
  • 0
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

... clarify the effect of DOM and biofilm on the adsorption capacity of PAC in the aeration tank of PACT process. The adsorption capacity of PAC for 3,5-DCP was significantly decreased by the addition ... aeration tank The adsorption isotherms of new PAC and PAC in the aeration tank for 3,5-DCP are shown in Figure 2. Although the adsorption capacity of the PAC in the aeration tank include that of ... that the effect of DOM and biofilm attached onto PAC were decrease in adsorption capacity of PAC in the aeration tank. The objective of this study is to clarify the effect of DOM and biofilm on the...
  • 10
  • 557
  • 0
Evaluation of the Characteristics of Microorganisms that Contribute to Denitrification in the Paddy Drainage Treatment Apparatus by Quinone Composition Measurement

Evaluation of the Characteristics of Microorganisms that Contribute to Denitrification in the Paddy Drainage Treatment Apparatus by Quinone Composition Measurement

... Evaluation of denitrification rates (DNR) The observed DNRs in the batch experiments were 1.0 - 12.0 g-N/μg/d (average: 4.5 g-N/μg/d, Fig. 2). These values were calculated by the changes of nitrate-nitrogen ... et al., 2007). Evaluation of denitrification activity of microorganisms Batch experiments for the evaluation of DNR, and a quinone analysis for the evaluation of the microorganism community ... representation of the PCA analysis of DNR. The X-axis is the first principal component (PC1) and Y-axis is the second principal component (PC2). The diameters of the circles indicate DNRs. The plots...
  • 7
  • 570
  • 0
Characteristics of Leachate from Citrus Groves and their Changes in the Collecting Reservoirs in Matsuyama, Japan

Characteristics of Leachate from Citrus Groves and their Changes in the Collecting Reservoirs in Matsuyama, Japan

... 6.0 8.0 10.0 200 1/5 /1 200 1/7 /1 200 1/9 /1 200 1/1 1/1 200 2/1 /1 200 2/3 /1 200 2/5 /1 200 2/7 /1 200 2/9 /1 200 2/1 1/1 200 3/1 /1 date NO 3 - -N/Cl - ( mol/mol ) 0 20 40 60 80 100 NO 3 - -N (mgN/L) Le.1 Le.4 St.1 ... RESEARCH PROCEDURE Location: Matsuyama region and periphery of the Seto Inland Sea The location of the research area and the distribution of the citrus groves in Matsuyama region are shown in Fig. ... NO3-N=2.5mgN/L Initial NO3-N=5.0mgN/L Initial NO3-N=10mgN/L BOD dil. Sol.+NO3-N=5mgN/L BOD dil. Sol.+NO3- N=5mgN/L+glucose NO 3 - -N (mgN/L) R D (mgN/m 2 /day) V (μg-N/μg-Chl.a/day) (mg-N/L) (mg-N/m 2 /day)...
  • 10
  • 717
  • 0
Tài liệu The characteristics of small-business employees ppt

Tài liệu The characteristics of small-business employees ppt

... industries or business loca-tions in which the firm operates (all of the firm’s The characteristics of small-business employeesSmall businesses employ slightly more than half of the private-sector workforce; ... know the number of loca-tions of the employer, may not know the total number of em-ployees, or may mistakenly give figures for just the one loca-tion at which they or the employee works (establishment ... consider the entire franchisetheir (or the employee’s) employer, as opposed to just the franchisee’s location. However, while respondents may not beable to pinpoint the exact size of the company they...
  • 6
  • 319
  • 0
Tài liệu Báo cáo khoa học: Receptor binding characteristics of the endocrine disruptor bisphenol A for the human nuclear estrogen-related receptor c pptx

Tài liệu Báo cáo khoa học: Receptor binding characteristics of the endocrine disruptor bisphenol A for the human nuclear estrogen-related receptor c pptx

... particular functions.Evolutionary rationale for the major role of Arg316 in arresting the ligandWhen the amino acid sequences of the LBD of all the NRs were aligned to that of ERRc, it became ... Given that the roles of these residues definitely confirm each other, the dif-ference in their significance might be attributable to the importance and ⁄ or necessity of the receipt of the phenol-hydroxyl ... estimations, the cells were trea-ted with a vehicle solution to measure the basal con-stitutive activity of each receptor, by using exactly the same of amount of expression plasmid of the receptor.Furthermore,...
  • 12
  • 583
  • 0
Tài liệu Báo cáo khoa học: The structure and biological characteristics of the Spirochaeta aurantia outer membrane glycolipid LGLB pdf

Tài liệu Báo cáo khoa học: The structure and biological characteristics of the Spirochaeta aurantia outer membrane glycolipid LGLB pdf

... branchinginformation [31]. The charge state of a fragment ion is thenidentified by u sing the isotope profile, owing to the highresolution provided by the TOF mass analyser. The product -ion s pectrum ( MS/MS ... 76.56corresponded to the loss of the nonreducing end C-G-Aunit and ammonium from the molecular ion. Furtherfragmentation gave the fragment ion at m/z 1436.42, owingto the loss o f the branching xylose ... respectively. Inaddition, a series of single charged ions was generated via the formation of complementary fragment pair of B and Yions. A s i ndicated i n F ig. 6 , t he fragment ion a t m/z 18 76.56corresponded...
  • 11
  • 632
  • 0
Báo cáo

Báo cáo " Characteristics of the voi mep massif’s altitudinal belt differentiation " doc

... to the revealing of natural differentiation features of Truong Son range in the western part of Quang Tri Province. Characteristics of the Voi Mep massif’s altitudinal belt differentiation ... differentiation of climatic conditions According to the rule of altitudinal temperature gradient (the temperature decreases by 0.5-0.6oC every 100m elevation increase), combined with the validation ... (>1500m). The boundaries of climatic belts exhibit gradual transitions, those of soil and vegetation belts are fairly clearly shown on topographic surfaces. The combination and interaction of natural...
  • 8
  • 327
  • 0

Xem thêm

Từ khóa: release of nickel ion from the metal and its alloys as cause of nickel allergyshow how to find the orthogonal nearest projection of a vector onto the plane perpendicular to another vectorthe characteristics of pain originating from the facet joints2 characteristics of foods fluids in the fruit juice product sectorkey characteristics of the design methodmorphology and varietal characteristics of the rice plantthe formal characteristics of the tenseaspect systemthe characteristics of ancient egyptian artcharacteristics of employees in the public relations fieldwhat are the five critical elements characteristics of an effective and successful teamidentify the characteristics of a cisco callmanager clustercharacteristics of the vessel segments chapter 4 describes the characteristics of the sample companies using data from the survey and the statutory annual report and accountspart five contains the definitions and accounting entries a definition is provided for each group subgroup and account indicating the most significant content and characteristics of the transactions and economic events they representcharacteristics of investments in property plant and equipment acquired from group companies and associates indicating the carrying amount and accumulated depreciation and impairmentNghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngBáo cáo quy trình mua hàng CT CP Công Nghệ NPVNghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitQuản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninhPhát hiện xâm nhập dựa trên thuật toán k meansNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Tìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThơ nôm tứ tuyệt trào phúng hồ xuân hươngThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíChuong 2 nhận dạng rui roKiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)Quản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)Nguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật