نتایج جستجو برای: r32
تعداد نتایج: 225 فیلتر نتایج به سال:
The growth of clonal Santalum album on different hosts was assessed over 14 years at three different locations in Western Australia (Kununurra, Carnarvon and Geraldton). In trial one, two clones (K7 and LS) were grown on Melaleuca and Azadirachta indica as hosts at the three localities. Sandalwood growth was good at Kununurra and Carnarvon (increment of diameter at BH 0.8cm pa.), but poor at Ge...
Alcoholic hepatitis (AH) is observed in approximately 20% of heavy drinkers. The treatment of AH remains controversial and will, in the near future, constitute one of the main challenges to clinicians involved in the management of severe alcoholic liver disease [1]. Individual data from the last three randomized controlled trials (RCT), prospective studies and a recent RCT constantly showed tha...
This paper presents a comparable evaluation of R600a (isobutane), R290 (propane), R134a, R22, R410A, and R32 in an optimized finned-tube evaporator, and analyzes the impact of evaporator effects on the system coefficient of performance (COP). The study relied on a detailed evaporator model derived from NIST’s EVAP-COND simulation package and used the ISHED1 scheme employing a non-Darwinian lear...
Klebelsbergite is verified as a valid mineral species, in museum specimens from the type locality, Baia Sprie (Felscib6nya), Rumania. Klebelsbergite occurs as pale yellow to orange-yellow crystals radially grown on stibnite. Wet-chemical analysis of synthetic klebelsbergite, supported by electron microprobe analyses of natural material, gives Sb 71.78, S 4.65, }{2O 2.69, O 20.88Vo (by di-fferen...
Lenstra’s integer factorization algorithm is asymptotically one of the fastest known algorithms, and is ideally suited for parallel computation. We suggest a way in which the algorithm can be speeded up by the addition of a second phase. Under some plausible assumptions, the speedup is of order ln(p), where p is the factor which is found. In practice the speedup is significant. We mention some ...
Nonhomologous end joining (NHEJ) in yeast depends on eight different proteins in at least three different functional complexes: Yku70-Yku80 (Ku), Dnl4-Lif1-Nej1 (DNA ligase IV), and Mre11-Rad50-Xrs2 (MRX). Interactions between these complexes at DNA double-strand breaks (DSBs) are poorly understood but critical for the completion of repair. We previously identified two such contacts that are re...
Fibritin, a 52-kDa product of gene wac of bacteriophage T4, forms fibrous "whiskers" that connect to the phage tail and facilitate the later stages of phage assembly. Preliminary experiments suggest that fibritin is a trimer, and its predominant central part has a parallel alpha-helical coiled-coil structure. To investigate the oligomerization and function of fibritin, we have designed and stud...
In the crystal structure of uncomplexed native chymosin, the beta-hairpin at the active site, known as 'the flap', adopts a different conformation from that of other aspartic proteinases. This conformation would prevent the mode of binding of substrates/inhibitors generally found in other aspartic proteinase complexes. We now report the X-ray analysis of chymosin complexed with a reduced bond i...
In this study the intermolecular potential energies of some environment-friendly industrial HFC refrigerants were obtained through the inversion method which is based on the corresponding states principle. These potentials were later employed in calculation of transport properties (viscosity, diffusion, thermal conductivity and thermal diffusion factor) of some binary and ternary refrigerant mi...
As a powerful solution for heat dissipation in data centers, chip-level cooling continues to capture escalating attention research and application domains. To accurately analyze system performance, identify potential avenues optimization, inform future practical applications, we developed steady-state, one-dimensional mathematical model novel pump-driven two-phase (PCTCS). This was constructed ...
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