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Oxidation-resistant silicide coatings on an Nb-based alloy were prepared by pack cementation technique. The holding temperatures were 1 050, 1 150 and 1 250 ℃ and the holding time were 2, 5, 10, 15 and 20 h, respectively.

摘 要：利用包埋渗法在铌基合金上制备抗氧化硅化物涂层，渗硅温度分别为1 050、1 150和1 250 ℃，渗硅时间分别为2、5、10、15和20 h。

It has been found that there are some texture flaws such as large grain、badly distorted twin and streaky structure. But recrystallization grains ofaround 19μm in diameter on average are obtainable through heat treatment at300℃for 30min by air-cooling, meanwhile the twin and streaky structurethat would weaken the plasticity of alloy are eliminated; significant elementsare holding temperature、holding time、cool-down methods. Mechanicalproperties of tube are obtained, simple tension elongation ratio of arc testsample increases from 10.8% to 20.1%, elongation ratio with elastic internaldie of tube increases from 8.0% to 14.9%.

研究结果表明：挤压成型的AZ31镁合金管材组织中存在变形程度很大的孪晶、大尺寸晶粒、丧失了进一步变形能力的条带状组织等易导致后续塑性加工时变形不均，引起断裂的组织缺陷；采用最佳等温热处理工艺以20℃／min加热至300℃保温30min后空冷处理可以使试样平均晶粒直径从挤压态的50μm细化为19μm，同时基本消除上述组织缺陷；明显影响热处理效果的因素为保温温度、保温时间、冷却方式；室温下，采用最佳工艺热处理前后管材弧形试样的单向拉伸伸长率由10.8％提高至20.1％，管件的自由胀形极限伸长率由8.0％提高至14.9％。

April, SBC Communications (the name for the holding company owning Southwestern Bell Telephone) buys Pacific Telesis (the holding company for Pacific Bell) for $16.7 billion.

4月，SBC通信公司（西南贝尔电话公司的控股公司）出资167亿美元收购Pacific Telesis（太平洋贝尔公司的控股公司）。

Everybody is easy to be to express appreciation to a friend holding out holding the payment guest activity before the birthday of Jesus Christ for many years to my regard, all person that hold certain position at my heart will gain the birthday of Jesus Christ short message bar from the value RMB one mao ten-cent that I provide gratis.

大家好，为答谢朋友多年来对我的关心支持在圣诞前举行酬宾活动，凡在我心中有一定地位的人都将获得由我免费提供的价值人民币一毛钱的圣诞短信一条。

The understanding of the clause thoroughpin avoid the action colliding" to the eighth of" rule" of this text, Combine the experience of holding the ship actually. Some basic measures of holding the ship of itting is" Early, Width. Clear. Clearing direction. Decelerating stopping engine. to put forward etc, Used for reducing the question that shipping collides.

本文通过对《规则》第八条"避免碰撞的行动"条款的理解，结合实际操船的经验，提出了"早、大、宽、清、转向、减速、停车、倒车"等一些操船的基本步骤，用来减少船舶碰撞的问题。

"Let me give you an example. You are at the entrance to a hospital. There is someone holding some medicine and there is someone else holding a wash basin. Which person will you pick up?"

"给你举个例子，医院门口，一个拿着药的，一个拿着脸盆的，你接哪一个。"

With the booming of iron and steel industry in China, which is the important and basal industries of national economy, more and more stated owned, state holding, foreign capital, foreign holding company and many other kind of enterprises have been joining this industry, the competition of the iron and steel enterprises become aboil.

钢铁工业作为国家经济的重要基础产业，随着我国钢铁产能的持续大幅增长、国有及国有控股企业、民营及民营控股企业、外资及外资控股企业多种所有制经济共同发展钢铁工业的出现，钢铁企业间的竞争日趋激烈。

Also all of them were better than bare land.The average soil water-holding capacity of different vegetation types was 157.69m~3/hm~2,which was 2.59 times of that of bare land(60.97m~3/hm~2).The descending rule of water-holding capacity was that:bamboo＞Tea＞Amorpha fruticosa＞Golden buckwheat＞Chestnut of return farmland＞mixed forest＞pine forest＞chinese chestnut Intercropping.

不同植被类型土壤平均持水能力为157.69m~3/hm~2，是裸地持水能力(60.97m~3/hm~2)的2.59倍；持水能力由大到小依次为竹林＞茶林＞紫穗槐＞金荞麦＞板栗退耕＞针阔混交林＞马尾松林＞板栗间种。

Prove by this research, the revaluation of Taiwan Dollar is advantageous to raise up the REITs prices. And the revaluation could be come from the prospect ion of global investment to the local real estate market. Besides, Granger Casuality has demonstrated the prices of construction group that has got ahead of REITs prices,and whenever it goes up, REITs will be lifted up at the same time.Moreover, REITs issued by Financial Holding is performed better than other issuers.Maybe the reason is the Financial Holding operated the higher quality targets as the trust objects than others.

经由本研究多元回归模型实证发现，台币的升值，有裨益於REITs价格的提升，而台币的升值有可能源自於外资对台湾房地产商办的看好；此外由Granger因果关系检定可得知，营建股股价领先REITs股价的走势，亦为当营建类股走强时，REITs类股也会为之水涨船高，此外金控发行REITs表现亦优於非其他REITs的表现，此有可能金控机构拿出来信托的标的物较为优质所致。

The excess cash holding and spare debt play the different roles in the process of resources deployment, and the excess cash holding is more apt to be used discretionarily.

现金冗余和负债冗余在形成配置过程中受到企业主动支配的程度不同，现金冗余的使用更容易受到决策者酌意的影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。