7 kim s s 1996 preparation characterization and properties of β chitin and n

Preparation, characterization and gas sensitivity ofpolypyrrole/g-Fe2O3hybrid materials

... (a) and S2 (100 8C) (b) intensity increased with increasing annealing temperature, and the particle sizes of S1 and S2 samples annealed at 150 8C were 5.3 nm and 4 .7 nm, respectively, according ... manufacture of gas sensors Acknowledgment This work was supported by grants from the National Natural Science Foundation of China (31201305) 4343 Appendix A Supplementary data Supplementary data associated ... Therefore, PPy/g-Fe2O3 hybrids can be developed in further applications as NH3 selectivity sensors Conclusions The reactant ratio of pyrrole monomer: Fe(NO3)3Á9H2O and annealing temperature of PPy/g-Fe2O3...

Preparation, characterization and application of heterogeneous solid base catalyst for biodiesel production from soybean oil

Danh mục: Báo cáo khoa học

... standards of biodiesel in china, Europe and the United States The properties of the obtained biodiesel, in general, show many similarities, and therefore, Table e Comparison of properties of ... compounds are dissolvable in methanol 3.3 Inﬂuence of the transesteriﬁcation reaction conditions The transesteriﬁcation process consists of a sequence of three consecutive reversible reactions where ... emission spectroscopy (ICPeAES), inductively coupled plasma mass spectroscopy (ICPeMS) and ﬂame or graphic furnace atomic absorption spectroscopy (AAS) were adopted Each technique has advantageous...

Báo cáo hóa học: " Preparation, characterization and photocatalytic behavior of WO3-fullerene/TiO2 catalysts under visible light" pot

Danh mục: Hóa học - Dầu khí

... X-ray spectroscopy (EDX) was also used for elemental analysis of the samples The specific surface area (BET) was determined by N adsorption measurements at 77 K (Monosorb, Quantachrome Instruments ... these patterns UV-vis diffuse reflectance spectroscopy The UV-vis absorption spectra of the samples are shown in Figure 5; the illustration is UV-vis absorption spectra of pure TiO2 We can find ... purification In most samples, carbon and titanium were present as major elements with small quantities of oxygen in the composite Surface characteristics of the samples Table lists the specific surface...

Báo cáo hóa học: " Nanospheres: Preparation, Characterization, and Their Adsorption Properties" docx

Danh mục: Hóa học - Dầu khí

... the stock solutions of Coomassie Brilliant blue or proteins were then added to the Na0.15WO3 suspension and incubated on the shaker UV–vis absorption spectra of Coomassie Brilliant blue and proteins ... solid sodium tungsten bronzes nanoparticles as adsorbent As depicted in Fig 4, after 300 min, only 50% of the Coomassie Brilliant blue was adsorbed by the solid sodium tungsten bronzes nanoparticles ... hydrogen gas bubbles accumulated in the reaction system, the loss of the hydrogen gas could be suppressed, and powder of bulk sodium tungsten bronzes was obtained ﬁnally In this work, instead of...

báo cáo khoa học: "Cationic nanoparticles for delivery of amphotericin B: preparation, characterization and activity in vitro" potx

Danh mục: Báo cáo khoa học

... dioctadecyldimethylammonium bromide or chloride obtained by sonication with tip has been supported by the following evidences: (i) osmotic non-responsiveness of the dispersion indicative of absence of inner vesicle ... fragments was represented by an ellipsoid whereas aggregated drug forming a particle was represented by solid spheres Page of 13 (page number not for citation purposes) Journal of Nanobiotechnology ... centrifugation (3000 rpm/10 minutes), pelleting and resuspension The final fungal cell suspension was prepared by adjusting the inoculum to × 1 07 cfu/mL and then diluting by a factor of Page of...

Preparation, characterization and property studies of carbon nanostructures derived from carbon rich materials

Danh mục: Cao đẳng - Đại học

... solvents such as NMP, DMF or DMA result in well dispersed stable suspensions of unoxidized graphene sheets.63d XPS investigations on the dispersed sheets support the conclusion that the sheets are ... CNF/PVA Composite 74 Nanofiber Mats 2.2 .7 HPLC Analysis 74 2.3 Results and Discussion 74 2.3.1 Characterization of the CNFs 74 2.3.2 Analytical Evaluation of Electrospun CNF/PVA 77 Composite Nanofiber ... Coupling Reaction 6.4 Conclusions 173 6.5 References 173 Chapter Conclusions and Future Prospectives vii 177 Appendix 182 List of publications and presentations 183 viii Summary Nanostructures...

wang2015 chitosan–silica composite aerogels preparation characterization and congo red adsorption

Danh mục: Hóa học - Dầu khí

... more CS content In contrast to the changing tendency of aerogel bulk densities, other physical properties such as porosities, pore volumes, and surface areas of samples J Sol-Gel Sci Technol Table ... aerogels are used to prepare carbon ones through pyrolysis [11–16] In addition, successful development of carbon nanotubes and graphene also opened novel pathways to fabricate carbon aerogels free of ... the porosities and surface areas of aerogels decrease with CS content increasing, as shown in Table 2, so the changing trend of k2 depends on the competition actions of above factors For samples...

Báo cáo " Effects of the conditions of the microemulsion preparation on the properties of Fe3O4 nanoparticles " pot

Danh mục: Báo cáo khoa học

... studied by a DSC SDT 2960 TA Instruments Results and discussion The mechanism of formation of particles was understood as a short single burst of nucleation occurred when the concentration of constituent ... Gonzalez-Carreno, C .J Serna, The preparation of magnetic nanoparticles for applications in biomedicine, J Phys D: Appl Phys 36 (2003) R182 [7] M .P Pileni, Reverse micelles as microreactors, J Phys ... Lisensky, Preparation and Properties of an Aqueous Ferrofluid, J Chem Edu 76 (1999) 943 [4] I Capek, Preparation of metal nanoparticles in water-in-oil (w/o) microemulsions, Adv Colloid Int Sci...

Report to Congressional Committees and Subcommittees FINANCIAL AUDIT District of Columbia Highway Trust Fund’s 1996 Financial Statements_part1 potx

Danh mục: Kế toán - Kiểm toán

... Honorable Max S Baucus Ranking Minority Member Committee on Environment and Public Works United States Senate The Honorable John W Warner Chairman Subcommittee on Transportation and Infrastructure ... Committee on Environment and Public Works United States Senate The Honorable Bud Shuster Chairman The Honorable James L Oberstar Ranking Minority Member Committee on Transportation and Infrastructure ... year, beginning with the period ended September 30, 1996 The audit is on the Fund s financial condition and results of operations for fiscal years ending September 30 and the Fund s 5-year forecasted...

Report to Congressional Committees and Subcommittees FINANCIAL AUDIT District of Columbia Highway Trust Fund’s 1996 Financial Statements_part2 docx

Danh mục: Kế toán - Kiểm toán

... statements of the Fund s expected conditions and operations in accordance with standards established by the AICPA We are responsible for obtaining a sufficient understanding of internal controls to ... was provided Management is responsible for • • • • preparing the Fund s financial statements in conformance with generally accepted accounting principles; establishing, maintaining, and assessing ... appropriate care, accounting principles, best information, consistency of information, key factors, appropriate assumptions, assumption sensitivity, documentation, comparison of results, and review...

Report to Congressional Committees and Subcommittees FINANCIAL AUDIT District of Columbia Highway Trust Fund’s 1996 Financial Statements_part3 ppt

Danh mục: Kế toán - Kiểm toán

... segregation of duties in the preparation, processing, and approval of journal entries and disbursements Perform supervisory reviews of journal entries and disbursements related to capital projects To ... consumed by construction, bus, and other companies who buy at the wholesale level and consume that fuel within the District On-site inspections and reviews of wholesaler shipping documents and ... duties, and disaster recovery plans and assess the Year 2000 vulnerabilities and conversion plan Regarding the 5-year forecasted statements of the Fund s expected conditions and operations, the...

Report to Congressional Committees and Subcommittees FINANCIAL AUDIT District of Columbia Highway Trust Fund’s 1996 Financial Statements_part4 docx

Danh mục: Kế toán - Kiểm toán

... U .S General Accounting Office P. O Box 370 50 Washington, DC 20013 or visit: Room 1100 70 0 4th St NW (corner of 4th and G Sts NW) U .S General Accounting Office Washington, DC Orders may also be placed ... www.adultpdf.com PRINTED ON RECYCLED PAPER United States General Accounting Office Washington, D.C 20548-0001 Official Business Penalty for Private Use $300 Address Correction Requested This is trial version ... Superintendent of Documents, when necessary VISA and MasterCard credit cards are accepted, also Orders for 100 or more copies to be mailed to a single address are discounted 25 percent Orders by mail:...

Báo cáo khoa học: "Changing of Women’s Roles in Agricultural and Handicraft Production: A Case Study in Kim Thieu Village, Tu Son District, Bac Ninh Province" pdf

Danh mục: Báo cáo khoa học

... terms of economic gain, it was more privileged in cultural aspect because of patriarchal social constraints and differentiations not only between men and women, but also between insiders and outsiders ... women as well as men have been assigned to different economic activities in the past and present A number of PRA (Participatory Rural Appraisal) techniques such as group meeting, participatory observation ... with business knowledge should focus in national economic policy Secondly, as pointed out by other researchers on gender issues, the growing participation of women in paid employment has contributed...

Báo cáo khoa học: "Characterization and localization of the unique Marek''''s disease virus type 2 ORF873 gene product" ppsx

Danh mục: Báo cáo khoa học

... SD, Sanderson MJ, Boursnell MEG, Ross LJN, Binns MM Gene sequence and mapping data from Marek s disease virus and herpesvirus of turkeys: implication for herpesvirus classification J Gen Virol ... Discussion Studies on MDV2 are important for understanding the natural nononcogenic phenotypes of MDV Especially, studies on MDV-unique genes will be maid possible, helping to understand its oncogenic ... and expression of the Marek s disease virus serotype glycoprotein E in recombinant baculovirusinfected cells: initial analysis of its DNA sequence and antigenic properties Virus Res 19 97, 48,...

CHAPTER 7 :POISSON''''S AND LAPLACE''''S EQUATIONSA doc

Danh mục: Vật lý

... The separation constant is not an arbitrary constant as far as the solution of (35) is concerned, for it appears in that equation An alternate form of the solution is obtained by expressing the ... we can interpret V0 as a periodic function of y Since our physical problem is bounded by conducting planes at y and y b, and our interest in the potential does not extend outside of this region, ... Main Menu | Textbook Table of Contents | POISSON 'S AND LAPLACE 'S EQUATIONS h Example 7. 1 Let us assume that V is a function only of x and worry later about which physical problem we are solving...

Mechatronic Servo System Control - M. Nakamura S. Goto and N. Kyura Part 7 potx

Danh mục: Kĩ thuật Viễn thông

... in the computer The computer program implements the servo controller Its output is put into servo (a) Experiment results of software servo system (b) Simulation results of software servo system ... that is, dy/dt = 0[pulse /s] , the output of the quantization term is and the position output remains constant In the steady state that the position output is constant, the size of the s input to ... resolution about the positioning precision and the position ﬂuctuation of the ramp response The reason for deterioration of the design values caused by velocity ﬂuctuation is that the position...

Jane Austen’s Romaticism in Pride and Prejudice

Danh mục: Khoa học xã hội

... rationale, method of the study and design of the study The discussion of the assignment consists of background of Jane Austen, summary novel Pride and Prejudice and specially Jane Austen s romanticism ... romanticism in this novel The last one is the conclusion DISCUSSION Jane Austen s Romanticism in Pride and Prejudice Background of Jane Austen Jane Austen was a major English novelist, whose brilliantly ... romantic manner So that we can say that Jane Austen is romantic inspite of her outer sensibility CONCLUSION Jane Austen s Romanticism in Pride and Prejudice Pride and Prejudice is an experience of life.This...

let''s go 1: Unit 7: let''s learn

Danh mục: Tiếng anh

... they? ~Andy is hungry Listen and repeat * Reads and writes models on the BB: What you want? I want cake - Model - Repeat * Last pattern: * Concept checking questions: What does it mean in Vnese? ... controlled practice (15 mins): Chain game T: What you want? S1 : I want cake S2 : I want cake and ice cream S3 : I want cake and ice cream and bread IV Production (15 mins): Noughts and Crosses The first ... want? pizza/ice- chicken/bread bread/fish cream 25 mins worksheet mins Đọc thi xem đội đọc hay V Exercises (7mins): - New words: lines/word - W .B: p. 58 59 Opened pairs Blackboard: Sunday, December...

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unit 7 let''''s go 1B let''''s líten

Danh mục: Tiếng anh

... I/ Warm up: milk fish chicken pizza I/ Warm up: bread cake rice Ice cream II/ Match: pizza bread fish chicken cake Ice cream rice milk III/ Listen: a b III/ Listen: a b ...

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7 kim s s 1996 preparation characterization and properties of β chitin and n acetylated β chitin j polymer sci part b polymer physics vol 34 p 2367 2374