查询词典 alumina

The self-sharpening action of the cutting edge on the Alumina Fiber Rod tips and continuous cutting edges provides superior grinding performance.

氧化铝纤维在整个研磨过程中始终保持良好的自锐性，不断提供卓越的磨削性能。

Each group has 10 models made in IPS-Empress and 10 made in In — ceram Alumina.

每组20个，IPS-Empress和In-ceram Alumina各10个，在微机上建立天然牙的三维有限元模型。

An intermediate oil type hydrocracking catalyst has carrier prepared from amorphous aluminosilicon, alumina, assistant phosphorus, adhesive and extruding aid through mixing, shaping, drying, and then hydrothermal treating, and contains the oxides of metals in families VIB and VIII, and phosphorus.

本发明涉及一种中油型加氢裂化催化剂及其制备方法，催化剂所用载体为无定形硅铝、氧化铝和助剂磷。无定形载体是将无定形硅铝、氧化铝、助剂、粘合剂和助挤剂混合、成型、干燥后进一步水热处理而制得的。

The development of the alumina industry must be in line with the pace of the electrolytic aluminium industry, said Wen.

文显军称，氧化铝行业的发展必须同电解铝行业的发展步调一致。

Speaking at Metal Bulletin's 13th bauxite and alumina conference in Athens, Shah said curtailments at refineries may follow, particularly at non-government-owned operations in China, because the lower prices will make plants uneconomical.

在雅典举行的金属导报第13届铝土矿和氧化铝会议上，Shah表示精炼厂仍将继续减少，特别是在中国非政府控股的工厂内，因为价格偏低将使工厂不太经济。

On the basis of the crystallography, however, systematic investigation on crystalline habit of oxide crystal synthesized by hydrothermal processing, including single crystals and crystalline grains in ultrafine ceramics powder, is also a noticeable subject with theoretical and applicable significance, which has been studied in this article according to plentiful data of experiments obtained in research on crystal defects in synthetic smoky quartz, preparation of amethyst quartz and ultrafine zirconia and alumina powder by hydrothermal processing.

但以结晶学为基础，较系统地研究水热条件下氧化物晶体，包括单晶和陶瓷微粉中的晶粒的结晶习性和结晶动力学仍是一个值得重视的、既有理论意义又有应用价值的课题。本文通过对水热法人工烟水晶中的缺陷、人工紫水晶的生长、水热法超细ZrO〓粉体和Al〓O〓粉体的制备等研究，以较为丰富的实验资料基础上，在这一方面进行了探讨。

Aluminium hydroxide, the precursor of alumina, was synthesized by precipitation reaction of the aluminium nitrate and sal volatile.

利用硝酸铝溶液和碳酸按溶液的沉淀反应制备一种氧化铝的前驱体－氢氧化铝。

QVC products are used by polyvinyl chloride, alumina, detergent and pulp and paper manufacturers.

卡塔尔乙烯基公司的产品主要被聚氯乙烯、氧化铝、洗涤剂和纸浆造纸生产商采用。

Bulk rock chemistry of Hujialing garnet clinopyroxenite in Rizhao of the Sulu ultrahigh-pressure metamorphic belt is rich in fusible composition and low in refractory composition when compared with that of the primary mantle. Whole rock has 44.04%~50.50% SiO2, high MgO(12.77%~18.73%), high GaO/Al2O3 (1.6~8.0), low alkali and Mg(superscript #)(74.82~86.13), which shows that the rock has an affinity to alumina-depleted komatiite.

与原始地幔相比，苏鲁超高压变质带的日照胡家岭石榴单辉辉石岩体全岩化学成分易熔组分均较高，而难熔组分均较低，全岩的SiO2含量为44.04%~50.50%，高MgO(12.77%~18.73%)，高CaO/Al2O3(1.6~8.0)，低碱，Mg的变化范围为74.82~86.13，成分特点类似铝亏损型科马提岩。

The interaction between a alumina ceramic target and a shaped charge jet is observed by means of flash X ray photography.

利用闪光X射线摄影技术观察了射流在氧化铝陶瓷靶中的侵彻过程。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48