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

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.

It is this thin layer of active soil that supports all living things on the tundra.

正是这被太阳晒暖了苏醒过来的薄薄的一层土壤养活着冻土带上的一切生物.

Long periods of darkness and bitter cold are the major threats to life on the tundra.

长期的黑暗和刺骨的严寒对在冻土带上生活是两大最主要的威胁.

Oil from beneath the tundra is very important to the nations'development.

来自冻土带下面的石油对美国的发展至关重要.

GameSpy: You've unveiled three tile sets for the new game : tundra , redrock, and swamp.

你已经展示了三种地形, 冻土, 火星地表, 沼泽.