Previous images of the Ring Nebula taken by visible-light telescopes usually showed just the inner glowing loop of gas around the star.
以前由可见光望远镜拍摄的星云环仅仅显示出其内部的环绕着恒星的炽热气体环。
A NASA Solar and Heliospheric Observatory image of the Sun shows a giant magnetic loop (lower left) filled with glowing, hot gas blasting away from the Sun.
美国宇航局太阳和太阳风层探测器拍摄的太阳图像，显示出巨大的磁场环(左下)，充满猛烈脱离太阳的流动热气。
After making a lot of mathematical calculations by use of the mathematical-physical method, the formulas describing the gas unsteady flow in various loop networks are obtained.
然后应用数学物理方法，经过一系列的数学演算过程，最后得出描述各类环形管网内气体不稳定流动规律的数学表达式。
The transient behaviors of gas flow initiated by quick change of gas flow rate were tested on a big multiphase flow loop.
在大型多相流实验环道上进行了气体流量快速变化的瞬态特性实验。
Determination methods of parameters which involved gas holdup, liquid circulation velocity, solid holdup, bubble behaviors etc in the loop reactor were introduced.
介绍了环流反应器流体力学参数的测定方法，这些参数包括气含率、循环液速、固含率、气泡大小及速度。
In order to maintain the flue temperature and guarantee the gas can combustion fully, gas pressure control loop and the sub flue suction control loop are designed.
为了控制炉温的稳定及煤气的充分合理燃烧，设计压力控制回路、吸力控制回路使煤气量和空气量稳定在设定值上。
Hydrodynamics and mass transfer of triplet loop biological fluidized bed reactors were studied in terms of gas holdup, liquid circulation velocity and volumetric mass transfer coefficient.
从气相含率、液体循环速度和体积氧传质系数方面研究自行设计新型结构的三重环流生物流化床的流体力学与传质特性。
The close-loop EGI system with threeway catalyst has been verified efficiently to reduce the harmful ingredient in exhaust gas of car.
在汽车中应用带有三元催化剂的闭环电喷系统可以有效降低汽车尾气中的有害成分。
One feedback loop that does seems certain, though, is that the melting Arctic will enable the extraction of more fossil fuel, with all that that implies for greenhouse-gas emissions.
不过有一个正反馈循环倒是确定的：融化的北极将导致更多化石能源的采掘，而这又意味着温室气体的排放。
New control loop and control systems must be used so as to satisfy the gas turbine requirements and the whole anti interference designing.
为了满足燃气轮机机组的控制要求与完全抗干扰设计，必须采用新的控制回路和控制系统。
HID Xenon gas lamp must operate under constant power supplying. Normally it is realized with power error detecting loop.
HID氙气灯必须工作在恒定功率条件下，通常采用功率误差检测环路来实现。
The design idea, principle scheme and executive result for restricting zero drift of gas sensors by means of closed loop control circuit are reported.
一种利用闭环控制电路抑制气敏元件零点漂移的设计思想、原理框图及实验结果。
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。
The absorption loop is fluidly connected to the chlorine dioxide gas source. A gas transfer assembly is interposed between the chlorine dioxide gas source and the absorption loop.
该吸收回路与二氧化氯气源流体连接，气体输送组件被设置在二氧化氯气源和吸收回路之间。
The accurate measurement of oxygen content in flue gas of coal-fired power plant has significant meaning for the realization of combustion system's closed-loop control and optimization running.
燃煤电厂烟气含氧量的准确测量对实现燃烧系统的闭环控制和优化运行具有重要的意义。
Gas holdup and liquid circulation velocity are the mostly important hydrodynamic characters and state parameters of internal-loop airlift reactor.
气含率和液体循环速率是气升式内环流反应器的主要流体力学特征，也是反应器运行过程中的重要状态参数。
In air-lift loop reactor, the effects of gas velocity on liquid circulation velocity and gas hold-up were experimentally studied in the different systems, namely air-water, air-0.
乙醇水溶液和空气-水-活性污泥体系中的循环液速以及气含率随操作条件的变化规律。
Air and other non-condensable gas inside the water pipe will cause a lot of problems, such as noise, corrosion, hysteresis loop, and even cause a temporary interruption of the device.
给水管道内的空气及其它不凝性气体会引起很多问题，如噪音、腐蚀、循环迟滞，甚至造成设备的暂时中断。
The scenario on replacing the leaked gas pipeline and its implementation for north-loop line located at Sichuan is introduced.
介绍了四川北半环输气干线停输更换漏气管段方案实施过程及步骤。
But the loop flow in the middle of cylinder is too weak to scavenge the exhaust gas.
而在气缸中部较弱，难以将废气彻底排出。
The invention discloses a gas-liquid-liquid equilibrium data measurement device. An equilibrium still comprises three circulation loop structures for accelerating the circular mixing of fluid.
本发明为一种气液液平衡数据测定装置，平衡釜具有三个循环回路结构，加速了流体的循环混合；
The feed-forward block and two close-loop control methods effectively guarantee the calorific value adjusting quality of the burning gas supplying system.
系统采用前馈和双闭环的调整方法，有效地保障了池炉燃气供应系统良好的热值调节质量。
A pressure driver for a ventilation system comprises a gas source, an inspiration flow control valve and a patient pressure sensor to form a closed loop control system.
一种用于通气系统的压力驱动器，包括气体源、吸气流量控制阀和患者压力传感器，以形成闭环控制系统。
The helium purification system of the helium test Loop was constructed for demonstrating test of the High Temperature Gas-cooled Reactor.
为了减少结构材料的腐蚀并验证高温气冷实验堆中的氦净化工艺，在氦气试验回路中设置了氦净化系统并进行了试验。
Sleeve the invention on the tail-gas tube of the engine, underlay the seal loop in the fixing collar at the two ends and screw down it.
安装时，将本发明套在汽车发动机尾气管上，在两端的固定套圈里垫上密封圈，外面用卡环拧紧便可。
Both the primary helium circulator for high-temperature gas-cooled reactor (HTR) and the primary pump for the pressurized-water reactor are the key components in the reactor primary loop.
高温气冷堆主氦风机与压水堆主泵一样，均为反应堆一回路的关键设备。
A new airlift loop reactor(ALLR) was introduced in this paper. The correlation among liquid phase flowing model, gas holdup and operating conditions of this reactor was investigated.
本文报导了一种新型气升环流反应器 ，对反应器中液相流型、气含率与操作条件之间的关系进行了实验考察。
Liquid circulation rate and gas holdup in an air-lift loop reactor were experimentally investigated as changing with the superficial gas velocity for the system of air-water.
浆液循环速度是外环流浆态床反应器研究中一个重要的流体力学参数，对流体的流动行为和相间传质有重要的影响。
This article is the technical summarization that we developed over past two years phase-locked velocity servo loop for three-phase asynchronous motor that drives gas-dynamic free-rotor gyroscope.
本文是两年来研制动压气浮陀螺驱动马达锁相式速度控制系统的技术总结。
This article is the technical summarization that we developed over past two years phase-locked velocity servo loop for three-phase asynchronous motor that drives gas-dynamic free-rotor gyroscope.
本文是两年来研制动压气浮陀螺驱动马达锁相式速度控制系统的技术总结。
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