نتایج جستجو برای: helical screw rheometer hsr
تعداد نتایج: 41894 فیلتر نتایج به سال:
A facile synthetic route to prepare the dual-functional molecule, 2,5bis(40-carboxyphenyl)styrene, was developed. The esterification of this compound with chiral alcohols, that is, (S)-(þ)-sec-butanol/(R)-( )-sec-butanol, (S)-(þ)-secoctanol/(R)-( )-sec-octanol, and D-(þ)-menthol/L-( )-menthol, respectively, yielded three enantiomeric pairs of novel vinyl monomers, which underwent radical polyme...
In the title complex, [Ru(C(12)H(8)N(2))(2)(C(5)H(6)N(2))(2)](PF(6))(2), the Ru(II) atom is bonded to two α-diimine ligands, viz. 1,10-phenanthroline (phen), in a cis configuration, in addition with with two 4-amino-pyridine (4Apy) ligands, resulting in a distorted octa-hedral coordination geometry. N-H⋯F hydrogen-bonding inter-actions play an important role in the crystal assembly: 2(1)-screw-...
In this communication, we will demonstrate that polymerization in a chiral solvent can affect the molecular weight distribution of the product by perturbing the balance of the P and M helical screw senses of the growing chains. Specifically, for the Wurtz-type synthesis of polymethylphenylsilane (PMPS) in either (R) or (S)-limonene, the weight-average molecular weight of the products (average M...
Introduction One of the key themes of this book is whether and to what extent health sector reform (HSR) in Africa has in effect caused more harm than good in relation to sexual and reproductive health and rights (SRHR). This introduction explores the dominant HSR movement, reviews the African context within which reforms have been implemented and begins to examine the interrelationship between...
A rheometer system to measure the rheology of crude oil in equilibrium with carbon dioxide (CO2) at high temperatures and pressures is described. The system comprises a high-pressure rheometer which is connected to a circulation loop. The rheometer has a rotational flow-through measurement cell with two alternative geometries: coaxial cylinder and double gap. The circulation loop contains a mix...
BACKGROUND Paclitaxel is one of the most active agents in the treatment of ovarian carcinoma. However, paclitaxel is solubilized in cremophor, a polyoxyethylated castor oil. Cremophor is allegedly responsible for many paclitaxel-associated hypersensitivity reactions (HSR). Novel agents such as abraxane are solvent free and currently being evaluated to potentially avoid certain patient side effe...
In this paper, we propose a very effectively filtering approach (EFA) to enhance network traffic performance for high-availability seamless redundancy (HSR) protocol in smart grids. The EFA combines a novel filtering technique for QuadBox rings (FQR) with two existing filtering techniques, including quick removing (QR) and port locking (PL), to effectively reduce redundant unicast traffic withi...
The present study was conducted to examine whether heat-processed Scutellariae Radix has an ameliorative effect on lipopolysaccharide- (LPS-) induced acute lung injury in mice. The effects of Scutellariae Radix heat-processed at 160°C (HSR) were compared with those of nonheat-processed Scutellariae Radix (NSR). The LPS-treated group displayed a markedly decreased body weight and significantly i...
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