查询词典 refractory

Objective To establish an animal model of refractory epilepsy by peritoneal injection of phenytoin sodium and phenobarbital sodium, and investigate into their multidrug resistance mechanism in kindling rats.

目的 探索性应用苯妥英钠、苯巴比妥钠诱导建立难治性癫疒间动物模型，并研究其多药耐药机制。

These results suggest that there is a refractory period of the neuroendocrine-gonadal axis in Plateau pika to the antigonadotropic effects from short photoperiods.

此结果表明，在高原鼠兔季节性繁殖的年周期中，其神经内分泌—生殖轴对春分前短日照抑制作用，具有不应期。

The roller furnace pot uses the 1Cr18Ni9Ti stainless steeliness circled to columnar, or uses the chromium manganese nitrogen refractory steel casting, one side bearing spider outside the furnace body supporting, and uses the electric motor belt speedreducer to carry on the passing-use, to cause the furnace pot to revolve slowly, the work piece causes it heating along with drum furnace pot revolving evenly, and work piece mutually between non-cover phenomenon, after heat treatment, the luster is consistent, furnace pot another end is a feeding head,by two trolley supporting.

滚筒炉罐采用1Cr18Ni9Ti不锈钢制成圆柱型，或采用铬锰氮耐热钢铸件，一端由轴承支座在炉体外支承，并采用电动机带减速机进行传用，使炉罐缓慢旋转，工件随滚筒炉罐旋转使之受热均匀，并且工件互相之间无复盖现象，热处理后色泽一致，炉罐另一端为进料口，由二只滚轮支承。

The leaching mechanism of niobium from a refractory niobium-tantalum ore by concentrated potassium hydroxide was studied.

实验研究了难分解铌钽矿在高浓度氢氧化钾溶液中浸出过程的机理。

Pyrophyllite was used in refractory products, ceramics, paint, insecticides and rubber in decreasing order of consumption.

叶腊石被用于耐火产品、陶瓷、颜料、杀虫剂和橡胶等生产工业。

By using pyrophyllite and natural graphite as raw materials, SiC-Al2O3 refractory composite powder were synthesized with the carbothermal reduction method.

以蜡石和天然石墨为原料，通过碳热还原法合成了SiC-Al2O3系复合耐火粉体。

The results indicate that heating temperature has a great influence factor on the synthesis of SiC-Al2O3 refractory composites powder, and the powder can be synthesis by adding a amount of natural graphite into pyrophyllite and heating the mixture to over 1 650 ℃ in argon atmosphere.

结果表明：加热温度对于SiC-Al2O3系耐火粉体的合成具有重要影响。通过在蜡石中添加适量的天然石墨，并将蜡石和石墨的混合物在氩气中经1 650 ℃以上温度热处理4 h，可以合成SiC-Al2O3耐火粉体。

To promote excellence in refractory research and development.

更优秀地促进耐火材料的研究和开发。

PART 5 : FURNACES AND THE USE OF REFRACTORY PRODUCTS.

第5部分：烘炉和耐火材料制品的使用

It also can be used as refractory materials.

也可以作为耐火材料之用。

In this new architectural plan the Garden of Golgotha came to be at the centre of the new city.

Aelia 是高举他自己，并在此城内朝拜罗马诸神。

The continuous nature of peat accumulation means that terrestrial coaly rocks may provide a higher resolution and more complete record of base-level change than the time-equivalent shallow-marine strata, thus enabling the identification of highfrequency cycles that are not recorded in themarine strata.

泥炭积累的持续性质的手段，陆地coaly岩石可提供较高的分辨率和更完整的记录基准面变化的影响时，相当于浅海阶层，从而使确定的高频周期，不记录在themarine 阶层。