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单词 bifurcation
释义

bifurcation


bi·fur·cate

B0237400 (bī′fər-kāt′, bī-fûr′-)v. bi·fur·cat·ed, bi·fur·cat·ing, bi·fur·cates v.tr. To divide into two parts or branches.v.intr. To separate into two parts or branches; fork.adj. (-kāt′, -kĭt) Forked or divided into two parts or branches, as the Y-shaped styles of certain flowers.
[Medieval Latin bifurcāre, bifurcāt-, to divide, from Latin bifurcus, two-pronged : bi-, two; see bi-1 + furca, fork.]
bi′fur·cate′ly adv.bi′fur·ca′tion n.
Thesaurus
Noun1.bifurcation - a bifurcating branch (one or both of them)bifurcation - a bifurcating branch (one or both of them)bifurcation - the place where something divides into two branchesramification, branch, leg - a part of a forked or branching shape; "he broke off one of the branches"
2.bifurcation - the place where something divides into two branchesbifurcation - the place where something divides into two branchesforking, furcation - the place where something divides into branchesbifurcation - a bifurcating branch (one or both of them)
3.bifurcation - the act of splitting into two branchesbifurcation - the act of splitting into two branchesbranching, ramification, fork, forking - the act of branching out or dividing into branches
Translations
bifurcationenfourchurebiforcazionesplitsing

bifurcation


bifurcation

[bī·fər′kā·shən] (mathematics) The appearance of qualitatively different solutions to a nonlinear equation as a parameter in the equation is varied. (science and technology) Division into two branches, parts, or aspects. Point at which division occurs.

bifurcation


bifurcation

 [bi-fur-ka´shun] 1. a division into two branches, such as a blood vessel, or a tooth that has two roots. Bifurcatio aortae (aortic bifurcation), showing the branching of the abdominal aorta into the common iliac arteries, and from there to the internal and external iliac arteries. From Dorland's, 2000.2. the site of such a division.

bi·fur·ca·tion

(bī'fŭr-kā'shŭn), [TA] A forking; a division into two branches. Synonym(s): bifurcatio [TA]

bifurcation

Theoretical medicine
A point in a dynamic system in which there is an abrupt change in the system’s behaviour; bifurcations occurs when 1+ of a system’s parameters reach a critical value. A change in the stability or types of solutions which occur as a parameter is varied in a dissipative dynamic system; the change can be seen as a bifurcation point in a graph of the parameter being varied vs one of the properties of the solutions.
 
Vox populi
A splitting into 2 parts.
Clinical trials
BIFURCATION
Evaluation of the Cypher sirolimus-eluting stent in the treatment of patients with bifurcation. A trial comparing the use of either one drug-eluting stent in the main branch and provisional stenting in the side branch or definitive stents in both vessels.
 
Results
Major acute cardiac events and target vessel revascularisation in CABG patients was 19% in stent + provisional stent patients and 14% in stent + PTCA (definitive) patients.
Logistics
Randomised, multicentre, US; 86 patients

bi·fur·ca·tion

(bī'fŭr-kā'shŭn) [TA] A forking; a division into two branches.

bifurcation

A fork or double prong. Bifurcations are very common in blood vessels and in the bronchial ‘tree’ of the lungs. At a bifurcation the sum of the cross-sectional area of the two branches usually exceeds that of the parent branch. Since this happens many times, there is a progressive increase in the unit volume of the system.

bi·fur·ca·tion

(bī'fŭr-kā'shŭn) [TA] A forking; a division into two branches.

Bifurcation


Bifurcation

When a non-linear dynamic system develops twice the possible solutions that it had before it passed its critical level. A bifurcation cascade is often called the period doubling route to chaos because the transition from an orderly system to a chaotic system often occurs when the number of possible solutions begins increasing, doubling each time.
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更新时间：2024/11/13 17:55:15