首页  汉语词典  英英词典


请输入您要查询的英文单词：

　

单词 upa
释义 DictionarySeeactivator

Upa


UPA

(Ultra Port Architecture) A high-speed interconnect between the CPU and memory from Sun. It uses a packet-switched crossbar architecture that can transfer more than 100 MBytes/sec.

Upa

 

a river in Tula Oblast, RSFSR; a right tributary of the Oka River of the Volga River basin. The Upa is 345 km long and drains an area of 9,510 sq km. Its course is located within the Central Russian Upland. The river describes large loops and is fed primarily by snow. High water is from late March to early May. The mean flow rate 89 km from the mouth is 40.2 cu m per sec. The Upa freezes over in late November or December (sometimes in January), and the ice breaks up in late March or April. The river is a water supply source. The cities of Sovetsk and Tula are located on the Upa. A reservoir near Sovetsk has an area of 5.7 sq km.

UPA


UPA

Abbreviation for:
underprivileged area 
urokinase plasminogen activator

activator

(ak'ti-vat?or) [ activate] 1. A substance in the body that converts an inactive molecule into an active agent, such as the conversion of pepsinogen into pepsin by hydrogen ions.2. Any substance that specifically induces an activity, such as an inductor or organizer in embryonic development or a trophic hormone.3. A removable orthodontic appliance that transmits force passively from muscles to the teeth and alveolar process in contact with it. Also called myofunctional appliance.

urokinase-type plasminogen activator

Abbreviation: uPA
A protein that degrades extracellular tissues. It has been linked to the spread of some cancers by invasion and metastasis.

tissue plasminogen activator

Abbreviation: tPA, TPA
1. A natural enzyme that helps degrade blood clots by freeing plasmin from plasminogen. Plasmin in turn breaks down fibrin. 2. A recombinant enzyme, produced in the laboratory by Escherichia coli, for the treatment of thrombosis, esp. in myocardial infarction and ischemic stroke. Recombinant tPA is one of several thrombolytic drugs that can be given to patients during myocardial infarction (MI) to restore the flow of blood through occluded coronary arteries. Restoring perfusion keeps heart muscle from dying, reduces the damage caused by the infarction, and reduces the subsequent risk of congestive heart failure and death. Synonym: recombinant tPA See: thrombolysis

urokinase-type plasminogen activator

Abbreviation: uPA
A protein that degrades extracellular tissues. It has been linked to the spread of some cancers by invasion and metastasis. See also: activator

UPA


AcronymDefinition
UPA➣United Progressive Alliance (Indian political group)
UPA➣Usability Professionals' Association
UPA➣Un Paso Adelante (Spanish TV drama)
UPA➣United Press Association
UPA➣Union Professionnelle Artisanale (French: Professional Artisan Union)
UPA➣University Press of America (Rowman & Littlefield)
UPA➣Union des Producteurs Agricoles (Canada; Union)
UPA➣Unión de Pequeños Agricultores (Spanish: United Small Farmers)
UPA➣University of Pennsylvania
UPA➣Ultimate Players Association
UPA➣Uplink Processor Assembly
UPA➣Ultra Port Architecture
UPA➣User Part Available
UPA➣University Preparatory Academy (San Jose, CA)
UPA➣University Publications of America
UPA➣United States Professional Poolplayers Association
UPA➣United Productions of America
UPA➣Urban Partnership Agreement (various locations)
UPA➣Uniform Partnership Act (Law)
UPA➣Universal Powerline Association
UPA➣Under-Performing Assets (various companies)
UPA➣Unique Particle Attribution
UPA➣United Palestinian Appeal (Washington, DC)
UPA➣United Powerlifting Association (est. 2007; Ohio)
UPA➣USA Patriot Act
UPA➣Ultra Port Architecture (High Bandwidth for Display)
UPA➣Ukrainskaya Povstancheskaya Armiya (pro-Nazi WWII organization in Ukraine; Ukraine Rebel Army)
UPA➣Unified Program Account
UPA➣Urban Priority Area
UPA➣Utility-Accrual Packet Scheduling Algorithm
UPA➣Utah Psychological Association
UPA➣United Protestant Association
UPA➣United Pilots' Alliance (gaming)
UPA➣Up Auxiliary
UPA➣Urokinase-Like Plasminogen Activator (a protease)
UPA➣Universal Port Aventura (Spanish Universal theme park)
UPA➣Utopia Pathway Association
UPA➣Units Per Assembly
UPA➣Ultraperforming Algorithm
UPA➣Unit Pentadbiran Am (Malaysian government agency)
UPA➣Undergraduate Policy Analysis (UC, Berkeley)
UPA➣Unauthorized Precedence Announcement
UPA➣Union Postale Arabe (Arab Postal Union)
UPA➣Ukrainian Planetariums Association
UPA➣Unit Pay Administrator
UPA➣United Professionals' Association
UPA➣Units Per Application (US Navy supply)
随便看

　

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

　

Copyright © 2004-2022 mdict.net All Rights Reserved
更新时间：2026/9/27 6:47:49