نتایج جستجو برای: time taken to blossom
تعداد نتایج: 10891272 فیلتر نتایج به سال:
abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...
We introduce the notion of robustness of the minimum-weight perfect matching. The robustness measures how much the edge weights of a graph are allowed to change before the minimum-weight matching changes. We consider two cases: when the edge weights are changed adversarially and when they are changed randomly. We provide algorithms for computing the robustness in both cases.
chapter i provides an overview of structural linguistics and touches upon the saussurean dichotomies with the final goal of exploring their relevance to the stylistic studies of literature. to provide evidence for the singificance of the study, chapter ii deals with the controversial issue of linguistics and literature, and presents opposing views which, at the same time, have been central to t...
current studies in second language (l2) learning have revealed the positive role of corrective feedback (cf) in both oral and written forms in different language features. the present study was an attempt to investigate the effect of both direct and indirect written corrective feedback (wcf) on the use of grammatical collocations in l2 writing. the study also sought to examine whether the effec...
Seven legume extracts containing phytoestrogens were analyzed for estrogenic activity. Methanol extracts were prepared from soybean (Glycine max L.), green bean (Phaseolus vulgaris L.), alfalfa sprout (Medicago sativa L.), mung bean sprout (Vigna radiata L.), kudzu root (Pueraria lobata L.), and red clover blossom and red clover sprout (Trifolium pratense L.). Extracts of kudzu root and red clo...
Several linear-time approximation algorithms for the minimum-weight perfect matching in a plane are proposed, and their worstand average-case behaviors are analyzed theoretically as well as experimentally. A linear-time approximation algorithm, named the “spiral-rack algorithm (with preprocess and with tour),” is recommended for practical purposes. This algorithm is successfully applied to the ...
This paper consists of two parts, both of which address stability of perfect matchings. In the first part we consider instances of the Stable Roommates problem that arise from geometric representation of participants preferences: a participant is a point in Euclidean space, and his preference list is given by sorted distances to the other participants. We observe that, unlike in the general cas...
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