查询词典 refractory

Most of thesete1lurites and tellurates in these deposits are found to be products of coeval oxidationof calaverite, altaite and sufides, by Which "refractory gold" of Au tellurides will bereleased as naive gold. Most native gold released through oxidation of tellurides,however, will be trapped in the telluraes or tellurites; or be combined by Te intellurites or tellurates, which prevent gold of hyPergene from secondaxy enrichmentunder the supergene oxidation environrnenis.

研究表明，这些碲含氧盐大多数为碲金矿、碲铅矿与硫化物共同氧化的产物，&难溶金&矿物在氧化条件下发生分解，一般释放出自然金；由于金要么以自然金形式被&捕获&于这些含氧盐，要么重新与碲形成Au－Te含氧盐，所以抑制了金的次生富集。

Objective To evaluate the therapeutic effect of amniotic membrane transplantation in refractory corneal ulcer.

目的 探讨羊膜移植在难治性角膜溃疡中的临床治疗效果。

External radiation therapy is reserved for anaplastic carcinoma and lymphoma, and adenocarcinomas that are refractory to radioactive iodine.

对于间变癌与淋巴瘤以及用放射性碘难以治愈的腺癌，我们选用外照射治疗。

It is used as an abrasive for cutting, grinding, and polishing, as an antislip additive, and as a refractory.

用作切割、磨床和拋光的磨料，也是一种止滑剂和耐火材料。

It is used as an abrasive for cutting, grinding, and polish ing, as an antislip additive, and as a refractory.

用作切割、磨床和拋光的磨料，也是一种止滑剂和耐火材料。

The result indicates that the benzene ring and naphthalin ring in the eriochrome black T molecule is degraded to organic acid and benzoquinone, and further becomes inorganic substances by chlorine dioxide direct oxidation and catalytic oxidation, which is good for the further treatment of the refractory bio-degradation wastewater.

结果表明，铬黑T经化学氧化和催化氧化后，分子中苯环和萘环被氧化分解为羧酸和苯醌，并进一步分解为无机物，为难降解废水的后续处理创造了条件。

Bronchoalveolar lavage is safe and effective in treating refractory pulmonary infection.

结论支气管肺泡灌洗治疗难治性肺部感染是一种安全有效的治疗方法。

Company's main areas are: refractory castable, insulation materials development, production and sales, industrial furnace for the design, manufacture and maintenance services.

公司主营范围有：耐火浇注料、保温材料的开发、生产和销售、工业窑炉的设计、制造和维修服务。

The application of the castable refractory in the carbon kiln lining and the way of improving lining service life

通过对加热炉水冷梁使用条件的分析，提出了该类浇注料应具有的特点。

It is an ideal filler for high-temperature furnaces and and excellent aggregate of light weight castable refractory.

是高温炉的理想隔热填充料，亦是高温轻质耐火浇注料的优质骨料，是优良的耐高温，隔热节能的耐火材料。

I go to school at night.

我是上上学。

Clear Tip Nasal Aspirator: A soft time and gentle suction action makes removing excess mucus easy.

鼻吸明确提示：一个柔软的时间和温柔吸力行动使消除过剩的粘液容易。