نتایج جستجو برای: rubber compounding

تعداد نتایج: 20601  

2017
Gigi Davidson

The spectrum of therapeutic need in veterinary medicine is large, and the availability of approved drug products for all veterinary species and indications is relatively small. For this reason, extemporaneous preparation, or compounding, of drugs is commonly employed to provide veterinary medical therapies. The scope of veterinary compounding is broad and focused primarily on meeting the therap...

Journal: :JAMA ophthalmology 2015
Nicolas A Yannuzzi Michael A Klufas Lucy Quach Lauren M Beatty Stephen M Kaminsky Ronald G Crystal Donald J D'Amico Szilárd Kiss

IMPORTANCE Bevacizumab acquired from compounding pharmacies for intravitreal injection may cause infectious and noninfectious inflammation. In addition to safety issues, the drug itself may have variable efficacy associated with product aliquoting, handling, and distribution. OBJECTIVE To conduct surveillance cultures, evaluate endotoxin levels, and assess protein concentrations of bevacizuma...

Journal: :IEEE transactions on medical imaging 2016
Hyun-Jae Kang Muyinatu A. Lediju Bell Xiaoyu Guo Emad Boctor

Photoacoustic (PA) images utilize pulsed lasers and ultrasound transducers to visualize targets with higher optical absorption than the surrounding medium. However, they are susceptible to acoustic clutter and background noise artifacts that obfuscate biomedical structures of interest. We investigated three spatial-angular compounding methods to improve PA image quality for biomedical applicati...

Journal: :Archives of biochemistry and biophysics 2006
Stephanie C Espy Jay D Keasling Javier Castillón Katrina Cornish

The rubber-producing tree, Ficus elastica (the Indian rubber tree), requires the same substrates for rubber production as other rubber-producing plants, such as Hevea brasiliensis (the Brazilian or Para rubber tree), the major source of commercial natural rubber in the world, and Parthenium argentatum (guayule), a widely studied alternative for natural rubber production currently under commerci...

Effect of different fillers on natural rubber compounds was investigated through curing, mechanical properties and morphology studies for improving mechanical performance of rubber articles. In this work, natural rubber blends with Silica as Single-filler compounds, and blends with Silica and Carbon black as Bi-filler compounds were considered. Then, natural rubber blends with Silica, Carbon bl...

Journal: :علوم و تکنولوژی پلیمر 0
سعید تقوایی گنجعلی ارسلان بیگ زاده کاظم سبحان منش فرسا فتوحی نصراله مجیدیان

in some special cases, rubber compounds with high amounts of unsaturated elastomer are recommended with organic sulfur donors instead of mineral sulfurs. in this condition, activated sulfur is produced in situ and curingprocess is facilitated without accelerators. organic sulfur donor compounds have low thermal stability and in the vulcanization temperature produce free and activated sulfurs. t...

2008
MIN ZHANG XIAN-HUI FU WEN-TING FENG XIAOMING ZOU

Abstract: Rubber tree (Hevea brasiliensis) plantation is a major land use practiced in Xishuangbanna of south-western China. Effects of rubber plantation (RP) and tea-rubber intercropping (TRI) systems on soil organic carbon pools were evaluated by recording changes in soil organic carbon in an age sequence of 12-, 20-, 26-, and 40-year old plantations. Labile organic carbon (LOC) increased in ...

Journal: :IACR Cryptology ePrint Archive 2003
Edgar Martínez-Moro Jorge Mozo-Fernández Carlos Munuera

In this paper we introduce the class of composite access structures for secret sharing. We also provide secret sharing schemes realizing these structures and study their information rates. As a particular case of this construction, we present the subclass of iterated threshold schemes, a large class of ideal secret sharing schemes.

2008
Geert Booij

schema. That is, both the instantiation relation and the part of-relation are based on paradigmatic relationships between words in the lexicon. The morphological structure assigned to the word sneeuwwit is a projection of such paradigmatic relationships on the syntagmatic axis of word structure. One advantage of this approach to word formation is that generalizations about subpatterns can be ex...

2009
MARK ARONOFF WENDY SANDLER CAROL PADDEN IRIT MEIR

Short abstract Compounding is one of the few sequential word formation processes found across sign languages. We examine the properties of compounds in languages in the visual-gestural modality, showing both similarities to spoken language compounds, as well as a modality-specific type of simultaneous compounding. We also explore the development of compounds in a new sign language, (Al-Sayyid B...

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