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partition chromatography and ion exchange chromatography

Preparative isolation and purification of six volatile compounds from essential oil of Curcuma wenyujin using high-performance centrifugal partition chromatography doc

Preparative isolation and purification of six volatile compounds from essential oil of Curcuma wenyujin using high-performance centrifugal partition chromatography doc

Báo cáo khoa học

... between 40 and 550 amu, the ionization energy was 70 eV and the scan rate was 0.34 s per scan The inlet, ionization source temperatures were 250 and 2801C [27] Results and discussions The selection ... essential oil of Curcuma wenyujin and (B) Fraction 1, (C) Fraction 2, (D) Fraction 3, (E) Fraction 4, (F) Fraction and (G) Fraction from HPCPC separation 1, curdione; 2, curcumol; 3, germacrone; ... good solubility and stability for target compounds, an ideal partition coefficient (K), short settling time ( 30 s) and satisfactory stationary phase retention o (>50%) [9, 28] Partition coefficient...
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Tài liệu HEALTH CONTINUUM AND DATA EXCHANGE IN BELGIUM AND IN THE NETHERLANDS docx

Tài liệu HEALTH CONTINUUM AND DATA EXCHANGE IN BELGIUM AND IN THE NETHERLANDS docx

Sức khỏe giới tính

... reasons a selection was made based on well-defined selection criteria: equal regional and national distribution, balance between small and large hospitals, even number of private and public hospitals, ... Claerhout and F De Meyer Recommendations Regarding National Development of Standardized Electronic Health Care Messages Advice nr of the Belgian Telematics Commission “Telematics Standards in relation ... Preservation of Hospital Patients Records Advice nr of the Belgian Telematics Commission “Telematics Standards in relation to the Health Sector” 118 Coordination of Medical and Hospital Information...
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Tài liệu Information technology - Telecommunications and information exchange between systems docx

Tài liệu Information technology - Telecommunications and information exchange between systems docx

Quản trị mạng

... Authentication — Information items: • Authentication algorithm identification • Station identity assertion • Authentication transaction sequence number • Authentication algorithm dependent information ... coordination function (DCF) 3.14 coordination function pollable: A station able to (1) respond to a coordination function poll with a data frame, if such a frame is queued and able to be generated, and ... while in motion For technical reasons, it is not sufficient to handle only portable stations Propagation effects blur the distinction between portable and mobile stations; stationary stations often...
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Tài liệu Module 6: Integrating ISA Server 2004 and Microsoft Exchange Server pdf

Tài liệu Module 6: Integrating ISA Server 2004 and Microsoft Exchange Server pdf

Quản trị mạng

... Outlook RPC Connections ISA Server Exchange Back-End Servers Port 80 or 443 Outlook RPC over HTTP Connections E-Mail Access Using POP3, IMAP4, and NNTP Clients Port 110 or 995 Port 25 Exchange Front-End ... consume network and computer resources Increase administrative cost and effort Increase the risk of an information leak How ISA Server 2004 Secures Exchange Server Mail publishing wizards Exchange Front-End ... Access for POP3 and IMAP4 Clients Multimedia: Connecting MAPI Clients to Exchange Server Through a Firewall How ISA Server Secures Outlook RPC Connections ISA Server Exchange Servers Exchange UUID=2000...
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Health Continuum and Data Exchange in Belgium and in the Netherlands doc

Health Continuum and Data Exchange in Belgium and in the Netherlands doc

Sức khỏe giới tính

... reasons a selection was made based on well-defined selection criteria: equal regional and national distribution, balance between small and large hospitals, even number of private and public hospitals, ... Claerhout and F De Meyer Recommendations Regarding National Development of Standardized Electronic Health Care Messages Advice nr of the Belgian Telematics Commission “Telematics Standards in relation ... Preservation of Hospital Patients Records Advice nr of the Belgian Telematics Commission “Telematics Standards in relation to the Health Sector” 118 Coordination of Medical and Hospital Information...
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Đề tài

Đề tài " Hodge integrals, partition matrices, and the λg conjecture " docx

Thạc sĩ - Cao học

... [P] [W] C FABER AND R PANDHARIPANDE R Pandharipande, Hodge integrals and degenerate contributions, Comm Math Phys 208 (1999), 489–506 E Witten, Two-dimensional gravity and intersection theory on ... by National Science Founda- 102 C FABER AND R PANDHARIPANDE tion grants DMS-9801257 and DMS-9801574 C.F thanks the Max-PlanckInstitut f¨r Mathematik, Bonn, for excellent working conditions and ... nontrivial solution (20) of the degree d localization relations (13), we may conclude all solutions are proportional to (20) By Proposition 3, the λg conjecture is proven Partition matrices A–E...
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Báo cáo khoa học: Implication for buried polar contacts and ion pairs in hyperthermostable enzymes pot

Báo cáo khoa học: Implication for buried polar contacts and ion pairs in hyperthermostable enzymes pot

Báo cáo khoa học

... polar contacts and ion pairs as structural elements related to the thermal stability Because intermolecular and intramolecular polar interactions such as hydrogen bonds [11–13] and salt linkages ... homodimers Their Z score and rmsd values range ˚ ˚ between 14.8 and 7.0 A and between 1.07 and 2.38 A, FEBS Journal 274 (2007) 4012–4022 ª 2007 The Authors Journal compilation ª 2007 FEBS 4015 4016 ... score and Strucural elememts providing hyperthermostability ˚ rmsd values range between 15.3 and 12.4 A and ˚ , respectively The sequence between 1.47 and 1.66 A similarity varied between 35% and...
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Báo cáo khoa học: Chain initiation on type I modular polyketide synthases revealed by limited proteolysis and ion-trap mass spectrometry doc

Báo cáo khoa học: Chain initiation on type I modular polyketide synthases revealed by limited proteolysis and ion-trap mass spectrometry doc

Báo cáo khoa học

... addition, the observation of acyl-intermediates on ATL-ACPL and KS1 demonstrates that the formed acyl-enzyme intermediates are stable under the digestion and analytical conditions used here, and ... concentration of 52 lm The reaction mixture was incubated at 30 °C for min, and a portion was then analyzed by LC-MS To the rest of the reaction mixture propionyl-CoA was added to a final concentration ... the labelled substrates from the ATL [21] Discussion DEBS1-TE, DEBS3 and DKS were subjected to limited tryptic digestion, and the digestion conditions were optimized for each protein so that domains...
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Báo cáo khoa học: Roles of adenine anchoring and ion pairing at the coenzyme B12-binding site in diol dehydratase catalysis pptx

Báo cáo khoa học: Roles of adenine anchoring and ion pairing at the coenzyme B12-binding site in diol dehydratase catalysis pptx

Báo cáo khoa học

... 13480195 and 17370038 and Priority Areas 753 to T Toraya, and (C) 14580627 to T Tobimatsu] from the Japan Society for Promotion of Science and the Ministry of Education, Culture, Sports, Science and ... enzyme upon the Ala substitution, and slightly lowered upon the Gln substitution at the b135 residue This might be due to hydrogen bonding and interactions other than the ion pairing being strong ... sequencing of the DNA region encompassing the entire diol dehydratase genes and tac promoter that no unintended mutations had been incorporated during mutagenesis Expression and purification of mutant diol...
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Báo cáo khoa học: Prevalent conformations and subunit exchange in the biologically active apoptin protein multimer potx

Báo cáo khoa học: Prevalent conformations and subunit exchange in the biologically active apoptin protein multimer potx

Báo cáo khoa học

... mM ATP and 20 mM MgCl2, and 24 h at C, without additives After incubation, samples were fractionated on a Superose HR 10/30 analytical gel-ltration column (Amersham) Before fractionation, any ... was expressed as the ratio between the IA emission (485 nm) and the FM emission (518 nm), denoted as FFM/FIA The progression of the exchange reaction was visualized by plotting FFM/FIA as the ... not induce the formation of hydrophobic pockets Taking into account the contribution of the MBP moiety, the bis-ANS emission spectra and titration curves of MBP apoptin and refolded apoptin-H6...
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Báo cáo khoa học: Azotobacter vinelandii rhodanese Selenium loading and ion interaction studies potx

Báo cáo khoa học: Azotobacter vinelandii rhodanese Selenium loading and ion interaction studies potx

Báo cáo khoa học

... maintained at 23 °C, and the protein concentration was kept constant at lM The excitation and emission bandwidths were and nm, respectively The excitation wavelength was set at 286 nm, and the spectra ... Azotobacter vinelandii highlights the evolutionary relationship between the rhodanese and phosphatase enzyme families J Mol Biol 298, 691–704 Ó FEBS 2003 Rhodanese interaction with ions and selenium ... to 12.1 ppm) on conversion of the enzyme from the E to the ES form on addition of thiosulfate ions (E/thiosulfate, : 10) (C) Ó FEBS 2003 Rhodanese interaction with ions and selenium loading (Eur...
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ion exchange

ion exchange

Hóa học - Dầu khí

... create ion exchange properties These are known as ‘ionogenic’ groups and are either ionized, or capable of dissociation into Rxed ions and mobile counterions In an inorganic exchanger the ionogenic ... Corporation.) Inorganic Ion Exchange Materials The traditional classiRcation of inorganic ion exchange materials is: ClassiVcation There are countless inorganic substances for which ion exchange ... of an ion exchange iso- Figure Idealized ion exchange isotherms (see text for details) Sepsci*1*TSK*Venkatachala=BG where mA,B and MA,B are the ion concentrations in mol dm\3 in solution and solid,...
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edinburgh university press scottish modernism and its contexts 1918-1959 literature national identity and cultural exchange may 2009

edinburgh university press scottish modernism and its contexts 1918-1959 literature national identity and cultural exchange may 2009

Cao đẳng - Đại học

... renewal of Scotland and, among a wide range of topics, provided space for discussion of Highland regeneration and, especially, for discussion of the present condition and revitalisation of the Gaelic ... Highlands Modernism and Littérature Engagée: A Scots Quair and City Fiction Poetry and Politics 11 29 53 68 93 113 131 154 Part III World War Two and its Aftermath Visionaries and Revisionaries: ... 1932 In addition, for these post-World War One writers and their supporters, nationalism and internationalism were two sides of the one coin, not opposing positions, while in the national context...
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Báo cáo hóa học:

Báo cáo hóa học: " Lateral homogeneity of the electronic properties in pristine and ion-irradiated graphene probed by scanning capacitance spectroscopy" pot

Hóa học - Dầu khí

... data and wrote the article SS carried out the sample preparation, the measurements and participated to the analysis of the data ER worked on the evaluation of ion- graphene interaction cross sections ... morphological and spectroscopic characterization of graphene on SiO2 Phys Status Solidi C 2010, 7:1251 14 Compagnini G, Giannazzo F, Sonde S, Raineri V, Rimini E: Ion irradiation and defect formation in ... modulating bias between the substrate and the tip locally induces a shift of the graphene quasi-Fermi energy EF in the conduction band, and, hence, an accumulation of electrons at the SCM Electronic...
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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

... varying the anodization conditions including the electrolyte type, the anodization voltage, and the anodization time TNTs existed in the outer layer of the Ti wire after anodization, subsequent chemical ... formed and connected to the un-anodized Ti core through the connecting TiO2 barrier layer By varying the electrolyte concentration and anodization voltage, from 0.25% NH4F and 60 V to 0.2% NH4F and ... 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 All authors read and...
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Báo cáo hóa học:

Báo cáo hóa học: " Lateral homogeneity of the electronic properties in pristine and ion-irradiated graphene probed by scanning capacitance spectroscopy" potx

Hóa học - Dầu khí

... data and wrote the article SS carried out the sample preparation, the measurements and participated to the analysis of the data ER worked on the evaluation of ion- graphene interaction cross sections ... morphological and spectroscopic characterization of graphene on SiO2 Phys Status Solidi C 2010, 7:1251 14 Compagnini G, Giannazzo F, Sonde S, Raineri V, Rimini E: Ion irradiation and defect formation in ... modulating bias between the substrate and the tip locally induces a shift of the graphene quasi-Fermi energy EF in the conduction band, and, hence, an accumulation of electrons at the SCM Electronic...
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Automotive Informatics and Communicative Systems Principles in Vehicular Networks and Data Exchange

Automotive Informatics and Communicative Systems Principles in Vehicular Networks and Data Exchange

Cơ khí - Chế tạo máy

... communications to traverse safely an intersection and an overtaking manoeuvre The chapter concludes by including comments and recommendations on the precision limits of the vehicle pose estimations and ... challenge To facilitate integration and troubleshooting of various nodes and networks, it would be desirable that networks of future vehicles be partitioned, and the partitions be interconnected by ... communications It briefly surveys the car communications, potential applications, potential wireless technologies, and specially designed technologies DSRC standards and communication stack for data exchange...
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Automotive Informatics and Communicative Systems: Principles in Vehicular Networks and Data Exchange ppt

Automotive Informatics and Communicative Systems: Principles in Vehicular Networks and Data Exchange ppt

Điện - Điện tử

... communications to traverse safely an intersection and an overtaking manoeuvre The chapter concludes by including comments and recommendations on the precision limits of the vehicle pose estimations and ... challenge To facilitate integration and troubleshooting of various nodes and networks, it would be desirable that networks of future vehicles be partitioned, and the partitions be interconnected by ... communications It briefly surveys the car communications, potential applications, potential wireless technologies, and specially designed technologies DSRC standards and communication stack for data exchange...
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Báo cáo toán học:

Báo cáo toán học: "Grothendieck bialgebras, Partition lattices, and symmetric functions in noncommutative variables" doc

Báo cáo khoa học

... collection is a set partition (of an m < n) This operation is referred to as the ‘standardization’ of a set of disjoint sets A and the resulting set partition is denoted st(A) Now for A ∈ Πm and ... operations of induction and restriction is isomorphic by the graded dual to K0 (Π, ∧) also endowed with the same induction and restriction operations This is because the operation of restriction ... the partition lattice algebras For a fixed n consider the vector space (kΠn , ∧) formally spanned by the set partitions of n The multiplication is given by the operation ∧ on set partitions and...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp:" Mature trees versus seedlings: Differences in leaf traits and gas exchange patterns in three co-occurring Mediterranean oaks" docx

Báo cáo khoa học

... gasexchange and photosynthetic resource-use in the more favourable part of the growth season differed between seedlings and adults and to analyse the relationships between leaf traits and gas exchange ... contents and gas exchange rates [25, 27] However, the relationships between N content and photosynthesis can be affected by compromises between maximising carbon gain and water conservation [19] ... cases, are poor in organic matter and in nutrients, with a low pH and medium/low water retention capacity Clay content ranges between 17 and 24%; silt, 14–16% and sand between 61–64% The climate...
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