坩埚

A mathematical model of electrical data calculation of coreless induction furnace is proposed and a useful method of measuring stray loss and electrical resistivity at high temperature of crucible is given.

提出了一种无芯感应炉电参数计算的数学模型，给出了测量杂散损耗和坩埚高温电阻率的实用方法。

Our company can provide various analytical aas graphite furnace, various graphite cone, graphite tube, graphite platform, graphite crucible for gas analysis, graphite gleithretter, graphite sinter pole, heterotype graphite mould, graphite crystallizer, oil free bearing, thermocouple graphite protecting jacket, graphite obturating ring.

我公司可以向国内外用户提供各种分析仪器原子吸收石墨炉，各种型号石墨锥、石墨管、石墨平台；各型号气体分析仪器石墨坩埚、各尺寸石墨滑片、石墨烧结棒、异型石墨模具、石墨结晶器、无油石墨轴承、各型号热电耦石墨保护套、石墨密封圈。也可以来图带料加工。

A soft, steel-gray to black, hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel, used in lead pencils, lubricants, paints, and coatings, that is fabricated into a variety of forms such as molds, bricks, electrodes, crucibles, and rocket nozzles.

石墨：一种质软、钢灰黑色、有金属光泽和滑腻感的碳的六方晶形的同素异构体，用于铅笔、滑润剂、颜料和涂层，可被制成多种形状，如模子、砖块、电极、坩埚和火箭发动机喷管也作 black lead ， plumbago

The high temperature phase barium metaborate α-BaB2O4 single crystal with 25mm in diameter, 100mm in height was grown by the Bridgman method .

采用坩埚下降法生长出了新型双折射晶体高温相偏硼酸钡α-BaB2O4单晶，尺寸为φ25mm×100mm，在He-Ne激光照射下无散射颗粒和生长条纹，在可见光区用复式宝石折射仪粗略测得该晶体的双折射率△n=0。

The domain structure was observed by naked eyes and microphotography after the crystal was etched with acid.

本文对采用双坩埚提拉法生长的近化学计量比LiNbO3 晶体沿其各向切块腐蚀后通过直接观察和在金相显微镜下观察，对其各个面的畴结构进行了分析。

It has the excellent dynamics and thermodynamics performances and is easy to make large size crucibles, a really key and nonfungible product for polysilicon cast ingot process.

石英陶瓷坩埚具有优良的力学性能、热学性能、易于实现尺寸大型化，是生产多晶硅铸锭中不可替代的关键配套产品。

The introduced techniques include changing the state of firebox in lamellar sample and the state of the sample in firebox, changing oxygen pressure in firebox and adjusting operation mode of rotating key which controls the electrical current of portfire.

该文分析了燃烧热测定实验常见的失败原因，并针对其中的主要原因，提出了 4点改进方法，即改变燃烧丝在片状药品中的状态和位置，改变药片在氧弹内坩埚中的状态，改变氧弹内氧气的压力值和改变点火电流控制转钮的操作方式。

The setting of parameters is as follows; sample weight of 0.15g, the maximum work current of 350mA, the flow capacity of carrying gas of 3L/min, the purity of oxygen of 99.99%, the precleaning time of l0s, the predelay time of 10s, the analytical period of 60s, the comparison level of 1.0%. The blank of ceramic crucibles could be reduced to minimum by burning them for 2h at 1100℃.

其最佳测定条件为：样品称量为0.15g左右；最大工作电流350mA，载气流速为3L/min，载气纯度99.99%，陶瓷坩埚需经1100℃灼烧2h后，可使空白降至最小，预清洗时间10s，预延时间10s，破元素最短分析时间为60s，比较水平为1.0%。

The transmittance spectra and radioluminescence spectra at different positions along crys- tal growth orientation were measured and studied. The results show that the large size Y:PbWO4 crystal has good optical uniformity.

同时，对实验样品沿晶体生长方向不同部位的横向透过率及发射光谱进行了测试，结果表明，坩埚下降法生长的大尺寸Y：PbWO4晶体具有较好的光学均匀性。

With the support of his family and his loyal girlfriend, Trixie, Speed teams with his one-time rival - the mysterious Racer X— to win the race that had taken his brother's life: the death-defying, cross-country rally known as The Crucible.

为此斯比德在家人以及女友特里克西的支持下，决定参加一场以残酷闻名的汽车大赛，对手是神秘的Racer X。当初他的哥哥就是在该比赛中丧生的，这是一场生死之战，这场全国性的赛事叫坩埚。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。