نتایج جستجو برای: flexible functional forms
تعداد نتایج: 940463 فیلتر نتایج به سال:
There is currently a lack of methods for non-linear structural equation modeling (NSEM) non-parametric relationships between latent variables when data are ordinal. To this end, semiparametric approach flexible NSEMs without parametric forms developed ordinal data. An indirect application finite mixture models (SEMM) employed the conditional expected mean endogenous variables. In context, class...
Dynamic equations of motion of flexible manipulators are more complicated than those of rigid manipulators. The number of equations of motion increases as the number of modes to be included increases. It is difficult to Ullderstand the effect of flexible motion on rigid motion via recursive forms of the equations of motion for multi-link arm even if it were efficient. On the other hand, the clo...
the purpose of this article was to review the biocompatibility, physical, and mechanical properties of the polyamide denture base materials. an electronic search of scientific papers from 1990-2014 was carried out using pubmed, scopus and wiley inter science engines using the search terms “nylon denture base” and “polyamide denture base”. searching the key words yielded a total of 82 articles. ...
human immunodeficiency virus type 1 (hiv-1) protease inhibitors comprise an important class of drugs used in hiv treatments. however, mutations of protease genes accelerated by low fidelity of reverse transcriptase yield drug resistant mutants of reduced affinities for the inhibitors. this problem is considered to be a serious barrier against hiv treatment for the foreseeable future. in this st...
Objective: Flat foot is common deformity in children that medial longitudinal arch is decreased, which if not treated in childhood may lead to pain and other problems in adulthood. Insoles and orthopedic shoes usually prescribed for treatment of flat foot in children, but the biomechanical impact of these devices is not yet clear. The purpose of this study is comparison of two conventional orth...
A concrete block retaining wall is supported by its weight. This structure has some advantages, including lower construction costs, a water-permeable that produces less water pressure behind the wall, and more flexible because it can follow ground's contours. Rankine's theory usually used to design this wall. According theory, failure pattern forms an angle of 450 + • /2 with horizontal plane. ...
Following the two stages of booming and tightening supervision, Internet-based private finance is now exhibiting a slowdown in its development. Within framework transaction cost theory, this study explores motivations for boundaries new business forms, proposes that their continuous changes risk management mechanism, legal relations between entities, capital operation models have raised financi...
The sixth blind test of organic crystal structure prediction (CSP) methods has been held, with five target systems: a small nearly rigid molecule, a polymorphic former drug candidate, a chloride salt hydrate, a co-crystal and a bulky flexible molecule. This blind test has seen substantial growth in the number of participants, with the broad range of prediction methods giving a unique insight in...
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