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ISO 13320 - the current laser diffraction standard
요일:화요일
날짜:7 9월 2010
시작 :10:30 am
종결 :11:30 am
언어:English
시간대:EDT
청중:Worldwide
 October 2009 saw the highly anticipated issue of ISO13320 which is the 5-year review of ISO13320-1(which dates from 1999) , the ISO laser diffraction standard. In this webinar, we will deal with the modifications and changes to the well-established standard reflecting the technological changes that have occurred since 1999.

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RHEOLOGY FOCUS -Topics in Liquid Crystal Rheology
요일:수요일
날짜:8 9월 2010
시작 :10:30 am
종결 :11:30 am
언어:English
시간대:EDT
청중:Worldwide
 Extended chain polymers are of great interest because of their mechanical properties. Some behave as rigid rods in solution and form nematic liquid crystal solutions, such as Kevlar® fiber. Others are flexible enough to melt, forming nematic melts, such as Vectra® engineering thermoplastics. This talk explores interesting rheological and rheo-optical phenomena involving liquid crystalline solutions and melts of rigid polymers. The topics covered will be: Negative Normal Stress Effect in Lyotropic Solutions of Helical Polypeptides, Transverse Band Structures in Lyotropics and Thermotropics, Negative Temperature Dependence of Viscosity in Semi-flexible Thermotropics, Self-stabilized Viscosity in LCP blends

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Theorie und Praxis der Partikelgrößenbestimmung mittels DLS mit dem Zetasizer Nano
요일:금요일
날짜:10 9월 2010
시작 :11:00 am
종결 :12:00 pm
언어:German
시간대:CET
청중:Germany
 Im Vortrag werden ausgehend von den theoretischen Grundlagen der Dynamischen Lichtstreuung die Möglichkeiten des Zetasizer Nano zur Größenbestimmung an kolloidalen Systemen vorgestellt. Den Schwerpunkt der Ausführungen bilden Fragen der praktischen Messdurchführung, der Datenbewertung und der Ergebnisinterpretation. Dabei werden Hinweise für die Anwendungspraxis gegeben und insbesondere auch die Grenzen der Methode diskutiert

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Diâmetro hidrodinâmico e Potencial Zeta como ferramentas para desenvolvimento de sistemas nanoparticulados para liberação de bioativos
요일:수요일
날짜:15 9월 2010
시작 :09:30 am
종결 :10:30 am
언어:Portuguese
시간대:EDT
청중:Portuguese
 O desenvolvimento de sistemas coloidais destinados para liberação de bioativos nas áreas farmacêutica, cosmética e alimentícia é um desafio na área de nanotecnologia. O sucesso tecnológico requer o conhecimento de fundamentos de sistemas coloidais, teorias de estabilidade coloidal e as técnicas de caracterização baseadas na determinação do diâmetro médio hidrodinâmico e potencial zeta...

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Laser Diffraction for Battery Manufacturing
요일:목요일
날짜:16 9월 2010
시작 :10:30 am
종결 :11:30 am
언어:English
시간대:EDT
청중:Worldwide
 Why is laser diffraction useful for the manufacture of today's state-of-the-art batteries?

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Laserbeugung Masterclass 4: Wie setzt man eine realistische Spezifikation
요일:금요일
날짜:17 9월 2010
시작 :11:00 am
종결 :12:00 pm
언어:German
시간대:CET
청중:Germany
 Das Ziel einer jeden Partikelgrößenmessung ist es, dem Anwender ein besseres Verständnis des Produktes das er entwickelt oder produziert zu liefern. In diesem Seminar betrachten wir die mittels Laserbeugung erzeugten Größenverteilungsdaten und zeigen wie diese zur Erstellung realistischer Produktspezifikationen verwendet werden können.

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Grundlagen der GPC/SEC Teil 2: GPC mit Dreifachdetektion
요일:금요일
날짜:24 9월 2010
시작 :11:00 am
종결 :12:00 pm
언어:German
시간대:CET
청중:Germany
 Die Gelpermeationschromatographie mit einem Konzentrationsdetektor benötigt eine aufwendige Säulenkalibration und liefert nur relative Molekulargewichte und keine Strukturinformationen. Das Webseminar beschreibt wie sich diese Limitierungen mit Hillfe der Dreifachdetektion, der Verwendung eines Brechungsindex-, Viskositäts- und Lichtstreudetektors, durchbrechen lässt

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On-line slurry particle size analysis in mineral processing applications
요일:화요일
날짜:28 9월 2010
시작 :10:30 am
종결 :11:30 am
언어:English
시간대:EDT
청중:Worldwide
 Laser scatter sizing technology has opened up new applications for on-line particle size analysis of mineral slurries. The control of grinding circuits based on product particle size is essential for downstream process performance. In some cases the particle size distribution of the final concentrate is an important quality issue. Use of energy in grinding also needs more attention. This webinar discusses on-line particle size analysis technologies and presents experiences on the use of laser diffraction in minerals processing operations.

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Size-exclusion chromatography in a modern bio-pharmaceutical laboratory. Uses, requirements, technologies and applications
요일:수요일
날짜:29 9월 2010
시작 :10:30 am
종결 :11:30 am
언어:English
시간대:EDT
청중:Worldwide
 This webinar will discuss he positioning and usage of SEC as a technique in the bio-pharmaceutical industry. Common uses, regulatory requirements and standards, and the latest detector technology will be discussed along with a few application examples

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The benefits of measuring the zeta potential of the surface of materials using the Malvern Zetasizer Nano
요일:화요일
날짜:5 10월 2010
시작 :10:30 am
종결 :11:30 am
언어:English
시간대:EDT
청중:Worldwide
 This webinar will present a new accessory for the Zetasizer Nano that enables the measurement of the zeta potential of a material surface. Applications will be presented that describe applications ranging from surface coating to corrosion inhibitors, filter papers and studies of surface modification.

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Tabletting - a modern approach
요일:목요일
날짜:7 10월 2010
시작 :10:30 am
종결 :11:30 am
언어:English
시간대:EDT
청중:Worldwide
 In this presentation we describe the particle sizing needs for tabletting and the effect these have on the end product.

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Effect of shape on rheological properties
요일:화요일
날짜:2 11월 2010
시작 :10:30 am
종결 :11:30 am
언어:English
시간대:EDT
청중:Worldwide
 Shape and rheological properties are closely related. In this presentation we try to examine the effect of shape on rheological properties trying to isolate these from corresponding particle size changes.

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Maximizing the benefits of the Zetasizer for characterization of your protein samples
요일:목요일
날짜:4 11월 2010
시작 :10:30 am
종결 :11:30 am
언어:English
시간대:EDT
청중:Worldwide
 This presentation discusses examples of applications that show how the use of the Zetasizer series of systems can be optimized for the measurement of a range of parameters that are useful in characterizing various aspects of solutions of proteins, including size, molecular weight and second virial coefficient. These parameters are used to determine such characteristics as the presence of aggregates, the solubility, and the oligomeric state.

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