In this a novel scheme for tunable wavelength conversion based on semiconductor-fiber ring laser is proposed.

The properties of tunable filter based on micro-opto-electric-mechanic system technology driven by electrostatic force are analyzed.

分析了基于微光机电系统的可 调谐滤波器 在静电力驱动下的一些特性.

Finite element-artificial transmitting method is applied for acoustooptic tunable filters ( AOTF ) with weighted coupling.

用有限元人工透射法计算权重耦合的可调谐声光滤波器 ( AOTF ).

The real time control of the tunable laser is realized with GPIB bus.

通过GPIB总线实现了对可调谐激光器的控制.

A novel all fiber discrete tunable distributed back reflector ( DBR ) fiber laser is reported.

报道了一种新型全光纤离散可调谐分布反射 ( DBR ) 光纤激光器.

A near-infrared spectrometer based on an integrated optical acoustooptic tunable filter ( IAOTF ) is constructed.

研制成功一种基于集成光学声光可调谐滤波器 ( IAOTF ) 的新型近红外光谱仪.

Wecan control the transformation of particle make use of the tunable time dependent Rabi frequency.

利用含时可调拉比频率可以实现可控制的粒子数转移.

Argon blowing tundish is a new technology for production of clean steel.

中间包吹氩是适应洁净钢冶炼的新技术、新方法.

The distribution of fluid temperature in the tundish during plasma heating is investigated with water modeling.

采用水模在线加热研究等离子加热中间包流体温度的分布.

The inclusion behavior in the tundish with a lime filter was investigated through the industrial trials.

通过工业试验研究了中间包内安装石灰过滤器后钢液中夹杂物的行为.

Two kinds of new gas purging techniques for inclusion removing in tundish are intro-duced.

本文介绍了国外中间包气体净化除去钢中夹杂物的两种新方法.

And the suitable thermal martix for magnesium dry coating tundish was put forward.

提出合理的中间包用镁质干式涂料的高温结合剂.

By means of hydraulic model, the fluid flow and its flow ratio in tundish are studied.

通过水力学模型试验, 研究了中间包内的流场和流动分布.

The influence of turbulence inhibitor on flow field in tundish has been studied by water modeling.

通过水模实验,研究了湍流控制器对连铸中间包流体流动的影响.

The influence of turbulence inhibitor on flow field tundish has been studied by water modeling.

通过水模试验,研究了涡流控流槽对连铸中间包流体流动的影响.

Holding propreties of ladle and tundish is one of important subjects for steelmaking process.

钢包及中间包的保温是炼钢工艺中研究的重要课题之一.

The flow pattern of molten Steel in the tundish was studied by a hot water model.

笔者用热态水模型研究了中间包内钢液的流动规律.

Flocks of snow geese migrate from arctic tundra to the central valley of California every winter.

年年雪雁从极北的寒冻来到中加州山谷过冬.

Frost flecked tundra pools dot the landscape of Canada's North Yukon National Park.

斑点状霜冻的苔原水池点缀了加拿大北育空公家公园的风景.

On four legs, they resemble the great timber wolves that make the tundra their home.

当他们四足的时候, 象来自冻土地带的森林巨狼.

Unlike energy, you can't drill deeper in the ocean or under Arctic tundra for more food.

和能源不同, 你不可能到海洋深处或北极冰原去获取更多的粮食.