Most chordates have a high-pressure, closed circulation with a ventral heart.
大多数脊索动物循环具有高压的、封闭的循环系统，心脏位于腹面。
The water quality required in the closed circulation is generally of the soft water.
密闭系统所要求的水质一般是软化水。
The invention relates to a closed circulation pickling bath, and pertains to the pickling device technical field.
一种封闭式循环酸洗槽，属于酸洗装置技术领域。
The technology of the closed circulation and zero discharge in paper mills with waste paper as raw material is a mature one.
废纸作原料的制浆造纸厂全厂废水封闭循环和零排放的技术已经成熟。
In the closed circulation system of ash-sluicing water of coal-fired power plant, the scaling of the hydraulic ash transport pipes and the backwater pipes is the main problem that need to be solved.
在燃煤电厂冲灰水闭路循环系统中，水力输灰管和回水管的结垢是所需解决的主要问题。
The refrigerant liquid tanks form a refrigerant water closed circulation system through pipes, a refrigerator, a refrigerant water pump and a refrigerant water throttle valve to supply a cold source.
冷媒水箱由管路与制冷器、冷媒水泵和冷媒水节流阀组成冷媒水闭路循环系统提供冷源。
Circulation in Europe, which accounts for more than two-thirds of the global total, has fallen by more than 10 percent, Mr. Bakker said, and dozens of titles have closed.
在欧洲的发行量，原占全球发行总数三分之二以上，现发行量已经下降了10%以上，巴克先生说，很多报纸已经关闭。
East China summer rainfall TBO is closed with air circulation anomaly.
中国东部夏季降水tbo空间模态与大气环流异常关系密切。
Using the central control system PLC, intelligent temperature controller and pressure gauge to replace the three pen recorder to realize the closed loop circulation and record of outer temperature.
采用中央控制PLC、智能温控器及压力仪表等替代原进口三针记录仪，实现外温的闭环控制和记录；
Such endeavor promoted the substitution of the traditional and unidirectional linear economy for the material closed-loop flow circulation economy having material circulation utilization as its core.
这种努力促使以物料循环利用为核心、物质闭环流动型的循环经济，取代传统的、物质单向流动的线性经济。
The closed loop circulation, one of the most economical and effective treating methods, should be developed.
闭路循环是最经济最有效的处理方法之一，应予以推广。
BF project contains five parts: soft water preparation system, the closed loop soft water system, the clean circulation water system, throat water sprinkler system, BF gas cleaning system.
高炉水处理系统中包括软水制备系统、密闭循环系统、净环水系统、炉喉洒水系统、煤气洗涤系统五个部分。
Because of being subjected to the different conditions, coal slurry water processing technology of Xinghua coal Preparation Plant affects closed-circuit circulation of wash water.
由于受不同条件的制约，杏花选煤厂煤泥水处理工艺影响了洗水的闭路循环。
It USES the energy transformation of the loss of winding to the power to form a closed self circulation cooling system without pump.
是靠绕组损耗转化形成的动力进行密闭无泵自循环冷却。
The practical application has shown that the method is simple, can obtain good results and help to realize clear water wash coal and closed circuit the circulation of washing water.
生产应用表明，该方法简单，处理效果好，可满足洗水闭路循环清水洗煤的要求。
The mechanism of circulation in open-chest cardiac massage in apparently superior to that in closed—chest compression.
开胸心脏按压的血流机制明显优于胸外心脏按压。
Do not satisfy the requirements of particle size by belt conveyor regurgitation feeding stones to impact breaker broken again, forming closed-circuit circulation many times.
不满足粒度要求的石子由胶带输送机返料送到反击式破碎机进行再次破碎，形成闭路多次循环。
At the initial stage of development, the main oil production methods give priority to hydraulic piston pump and closed hot water circulation.
开发初期，主导开采方式主要以“水力活塞泵、闭式热水循环”等采油工艺为主。
The paper pointed out that the combination of those treatments would achieve a better result, and closed-circulation to improve use efficiency would be the terminal solution.
指出多种处理技术的联合使用将取得较好效果，而采用闭路循环、提高利用效率才是最终出路。
One time adding liquid medium to the closed refrigeration circulation system can work for long time, cooling water can be save greatly.
在封闭冷却循环系统内一次加入液体介质能长期使用，可节约大量冷却水。
All upper clear water that have been handled can be used to wash coal, which realizes to closed circuit the circulation of washing water.
该方法简单，处理效果好，处理后上清水完全回用于洗煤，实现了洗水闭路循环。
Some defects can be sewn closed without a patch. Repairing a VSD restores the blood circulation to normal.
常用的手术方法是补片修补或者直接缝闭缺损，阻止异常血流。
A closed chlorine circulation is formed in the isocyanate synthesis.
在异氰酸酯合成中形成闭合的氯循环。
The utility model provides a food sterilizing cabinet with air wet removing, which is mainly composed of a control circuit and an air closed-circuit circulation system.
本实用新型提供了一种空气去湿食品消毒柜，它主要由控制电路和空气闭路循环系统组成。
Morever, new technolo-gies such as slurry-recycling method and semi-closed circuit water circulation for cooling sys-tem were adopted reducing water consumption greatly.
此外，创造了回浆法和冷却水系统的半封闭式循环用水等新工艺，大大节约了用水量。
Airflow from the large cyclone collector inhalation top return air duct blower, this machine is a closed loop system, the air flow, and circulation in the flow of positive and negative state.
气流由大旋风收集器上端回风管吸入鼓风机，本机整个气流系统是密闭循环的，并且是在正负状态下循环流动的。
Raymond mill is a closed loop air flow system, and circulation in the flow of positive and negative state.
雷蒙磨粉机的气流系统是密闭循环的，并且是在正负状态下循环流动的。
Raymond mill is a closed loop air flow system, and circulation in the flow of positive and negative state.
雷蒙磨粉机的气流系统是密闭循环的，并且是在正负状态下循环流动的。
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