نتایج جستجو برای: sebs

تعداد نتایج: 272  

Journal: :Lab on a chip 2013
Mark D Borysiak Kevin S Bielawski Nathan J Sniadecki Colin F Jenkel Bryan D Vogt Jonathan D Posner

In this work, we introduce a simple solvent-assisted micromolding technique for the fabrication of high-fidelity styrene-ethylene/butylene-styrene (SEBS) microfluidic devices with high polystyrene (PS) content (42 wt% PS, SEBS42). SEBS triblock copolymers are styrenic thermoplastic elastomers that exhibit both glassy thermoplastic and elastomeric properties resulting from their respective hard ...

Journal: :Cancer 2001
M Follen D Schottenfeld

BACKGROUND Surrogate endpoint biomarkers (SEBs) are used as intermediate indicators of a reduction in cancer incidence in chemoprevention studies. SEBs should be expressed differentially in normal and high risk tissue; appear at a well defined stage of carcinogenesis; be studied with reasonable sensitivity, specificity, and accuracy; and be modulated in chemoprevention trials. The concept of SE...

2009
E. Hajizadeh H. Garmabi

Toughening of polyamide 6 (PA6)/ Nanoclay (NC) nanocomposites with styrene-ethylene/butadiene-styrene copolymer (SEBS) using maleated styrene-ethylene/butadiene-styrene copolymer (mSEBS)/ as a compatibilizer were investigated by blending them in a co-rotating twin-screw extruder. Response surface method of experimental design was used for optimizing the material and processing parameters. Effec...

2017
Lisa Munger Sean Wiggins Sue Moore John Hildebrand LISA M. MUNGER SEAN M. WIGGINS JOHN A. HILDEBRAND

We assessed North Pacific right whale (Eubalaena japonica) seasonal and daily calling patterns in the southeastern Bering Sea (SEBS) using long-term hydrophone recordings from October 2000 through January 2006. We detected right whale calls on the SEBS middle shelf (<100 m depth) as early as May, intermittently throughout summer and fall, and as late as December. Calls also were detected on one...

Journal: :Remote Sensing 2013
Xiaomei Jin Renhong Guo Wei Xia

Evapotranspiration is a major loss flux of the water balance in arid and semi-arid areas. The estimation of actual evapotranspiration has significance for hydrological and environmental purposes. The Surface Energy Balance System (SEBS) algorithm was applied to estimate actual evapotranspiration in the Qaidam Basin and its eight hydrological sub-regions, Northwest China. There were 3,036 cloud-...

Journal: :Journal of pharmacy & pharmaceutical sciences : a publication of the Canadian Society for Pharmaceutical Sciences, Societe canadienne des sciences pharmaceutiques 2015
Laszlo Endrenyi Fakhreddin Jamali Raimar Loebenberg

The Canadian Society for Pharmaceutical Sciences organized a workshop on the current state of sciences of subsequent entry biologics (SEBs, biosimilars) on December 10th 2014 in the Health Canada location in Ottawa, ON. The day-long workshop provided an opportunity to discuss recent regulatory developments and a wide range of scientific issues related to SEBs. Following a discussion on the diff...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه پلیمر و پتروشیمی ایران - پژوهشکده فرایند 1393

در این پژوهش هدف افزایش ضربه پذیری پلی آمید 6 با استفاده از کوپلیمر بلوک استایرن-اتیلن-بوتیلن-استایرن(sebs) به دو روش اختلاط مذاب و پلیمریزاسیون درجا است. همچنین اثرسازگارکنندگی sebs-g-ma و تقویت کنندگی نانو گرافن بر ماتریس pa6/sebs بررسی گردید. در این طرح ابتدا آلیاژ های pa6/sebs با درصد های متفاوت از سازگارکننده sebs-g-ma تهیه و سپس آمیزه های مشابه به روش پلیمریزاسیون درجای کاپرولاکتام در راک...

2018
Denis Mihaela Panaitescu Raluca Augusta Gabor Cristian Andi Nicolae Anca Constantina Parau Catalin Vitelaru Valentin Raditoiu Mircea Chipara

The control of morphology and interface in poly(styrene-ethylene/butylene-styrene) (SEBS) composites with graphitic fillers is extremely important for the design of piezoresistive sensors for body motion or flexible temperature sensors. The effects of a high amount of graphite (G) and silane coupling agent on the morphology and properties of SEBS composites with anisotropic mechanical propertie...

2014
Ayesha Kausar

Using electrospinning technique, well-aligned poly(azo-ether-imide) (PAEI) nano-fibers and PAEI/multiwalled carbon nanotube (MWCNT) nano-fibers were developed in this effort. Afterwards, polystyrene-b-poly (ethylene-ran-butylene)-b-polystyrene (SEBS) and polyimide-based nano-fiber films were casted. The as-prepared electrospun nanofibers acted as homogeneous reinforcement to enhance the tensile...

Journal: :Remote Sensing 2015
Chunlin Huang Yan Li Juan Gu Ling Lu Xin Li

This study proposes a method for improving the estimation of surface turbulent fluxes in surface energy balance system (SEBS) model under water stress conditions using MODIS data. The normalized difference water index (NDWI) as an indicator of water stress is integrated into SEBS. To investigate the feasibility of the new approach, the desert-oasis region in the middle reaches of the Heihe Rive...

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