نتایج جستجو برای: one coat bond
تعداد نتایج: 2072435 فیلتر نتایج به سال:
Inspired by the hierarchical Dirichlet process (HDP), we present a generalized coAT (coauthor Topic) model, also called infinite coAT model, in this paper. The infinite coAT model is a nonparametric extension of the coAT model. And this model can automatically determine the number of topics which are regarded for the probabilistic distribution of words. One does not need to provide prior inform...
The idea of using intrinsic random physical features to identify objects, systems and people is not new. Fingerprint identification of humans dates at least back to the nineteenth century [20] and led to the field of biometrics. In the eighties and nineties of the twentieth century, random patterns in paper and optical tokens were used for unique identification of currency notes and strategic a...
PURPOSE Several "one-bottle" dental adhesives recently have been introduced. These contain hydrophilic resin monomers that should readily wet tooth surfaces. Most also contain solvents that could increase enamel bond strengths by driving out residual moisture from enamel and increasing resin penetration. The purpose of this study was to evaluate bond strengths obtained by six one-bottle bonding...
Splicing of the FGFR2 K-SAM exon is repressed by hnRNP A1 bound to the exon and activated by TIA-1 bound to the downstream intron. Both proteins are expressed similarly by cells whether they splice the exon or not, so it is important to know which one is dominant. To answer this question, we used bacteriophage PP7 and bacteriophage MS2 coat fusions to tether hnRNP A1 and TIA-1 to distinct sites...
the potential function of lippincott and schroeder for linear hydrogen bond has been re-examined and extended to nonlinear hydrogen bond. the parameters originally introduced to the potential function by lippincott and schroeder have been determined from the structural parameters such as 0.. .odistance 0-h bond distance, h.. .o distance and hoo angle. thevalidity of harmonic oscillator approxim...
Single-molecule force-clamp spectroscopy offers a novel platform for mechanically denaturing proteins by applying a constant force to a polyprotein. A powerful emerging application of the technique is that, by introducing a disulfide bond in each protein module, the chemical kinetics of disulfide bond cleavage under different stretching forces can be probed at the single-bond level. Even at for...
background: the aim of this study was to compare the shear bond strength of four one-step self-etch adhesives with different ph values to enamel and dentin. materials and methods: in this in vitro study, 200 bovine permanent mandibular incisors were used. four one-step self-etch adhesives with different ph values were tested both on enamel and on dentin: adper™ easy bond self-etch adhesive (ph ...
علیرغم پیشرفتهای قابل توجه در زمینه ایجاد باند مناسب مواد ترمیمی همرنگ با نسج دندان ، بقای باند ایجاد شده از مسائل چالش برانگیز است. به نظر می رسد استفاده از عوامل ایجادکننده کراس لینک (مانند اسید تانیک و کلرهگزیدین) می تواند به حفظ و افزایش استحکام باند رزین- عاج کمک نماید. هدف از انجام این مطالعه،مقایسه اسیدتانیک و کلرهگزیدین بر استحکام باند برشی سیستم های ادهزیو etch&rinse و self etch در عا...
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