نتایج جستجو برای: slip agent
تعداد نتایج: 271312 فیلتر نتایج به سال:
ethylene bis-stearamide is one of the important acrylonitrile-butadiene-styrene ()abs)( polymer additives, which is used as lubricant, slip agent and mold release agent. in this research, ethylene bis-stearamide for abs application was synthesized using stearic acid and ethylene diamine under reflux condition. refluxing prevented ethylenediamine from evaporation and thus the initial molar ratio...
رباتهای دوپا بیش از سه دهه موضوع تحقیق پژوهشگران بوده است، اما هنوز طراحی مکانیزم و کنترل ربات دوپایی که بتواند راه رفتن و دویدن بهینه و سریع مشابه موجودات زنده انجام دهد، یک مساله تحقیقاتی باز است. کارآیی مدل آونگ وارون فنری (slip) در توصیف دینامیک دویدن موجودات زنده نشان داده شده است و در سالهای اخیر تلاش هایی برای کنترل ربات های دوپای واقعی بر مبنای دینامیک slip صورت گرفته است. محققان نشان د...
Mechanical drift is a long-standing problem in optical microscopy that occurs in all three dimensions. This drift increasingly limits the resolution of advanced surface-coupled, single-molecule experiments. We overcame this drift and achieved atomic-scale stabilization (0.1 nm) of an optical microscope in 3D. This was accomplished by measuring the position of a fiducial mark coupled to the micr...
We address the problem of distinguishing between two sources of disagreement in annotations: genuine subjectivity and slip of attention. The latter is especially likely when the classification task has a default class, as in tasks where annotators need to find instances of the phenomenon of interest, such as in a metaphor detection task discussed here. We apply and extend a data analysis techni...
The purpose of this study is to synthesize nano-grained Calcium Hydroxyapatite (HAp) through slip casting technique. For this, hydroxyapatite powders were synthesized using two methods, wet chemical method and Ammoniacal method. The as-prepared powders and calcined powders were characterized using XRD, FTIR, to study the phases of the powders. The hydroxyapatite powder calcined at 1000°C for 2h...
Total internal reflection fluorescence (TIRF) microscopy can be used in a wide range of cell biological applications, and is particularly well suited to analysis of the localization and dynamics of molecules and events near the plasma membrane. The TIRF excitation field decreases exponentially with distance from the cover slip on which cells are grown. This means that fluorophores close to the ...
Protein crystallization screens frequently yield salt crystals as well as protein crystals. A simple method for determining whether a crystal is composed of salt or macromolecules is suggested. A drop containing one or more crystals is transferred to a glass cover slip and the cover slip is then passed through the flame of a Bunsen burner. Macromolecule crystals are destroyed by this treatment,...
This dissertation introduces PyPOSH, a reactive agent architecture with loadable behavioral modules based on Bryson’s Parallel-Rooted Ordered Slip-Stack Hierarchical action selection model. The framework utilizes a modular and object-oriented interface to behaviors built utilizing agile and component-based methods.
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