查询词典 alumina

The alumina supporters with 4-7mm were impregnated with an aqueous solution of RE, Sr, Cu and Zr acetate mixture, and then were calcined in a muffle furnace in air at 800-1000℃ for several hours.

将φ4—7毫米颗粒状氧化铝载体浸渍于RE、Sr、Cu、Zr的醋酸盐混合物水溶液，在800—1000℃空气气氛下于马弗炉中煅烧数小时。

Results:The strength and fracture toughness of nanometre alumina-glass composite were 358.2 MPa, 2.38 MPam1/2 respectively.

目的：研究氧化铝颗粒大小对氧化铝玻璃复合体力学性能的影响。

The structure and characteristics of the polymer/nanometre alumina composite fibre had been studied by XRD, TG, IR and SEM.

本工作采用XRD，IR，SEM等手段对聚合物/纳米氧化铝复合纤维样品结构和物性进行了表征。

Results:The strength and fracture toughness of nanometre alumina-glass composite were 358.2 MPa, 2.38 MPam1/2 respectively.

结果：用纳米颗粒氧化铝制作的氧化铝玻璃复合体强度(358.2 MPa)、断裂韧性(2.38 MPam1/2)显著低于微米氧化铝玻璃复合体的强度(432.2 MPa)和断裂韧性(5.12 MPam1/2)。

The structure and characteristics of the polymer/nanometre alumina composite fibre had been studied byXRD, TG, IR and SEM.

本工作采用XRD，IR，SEM等手段对聚合物/纳米氧化铝复合纤维样品结构和物性进行了表征。

Spinels were enriched by compounds of magnesia and alumina.

尖晶石丰富了镁和氧化铝化合物。

Spinels were enriched by compounds of magnesia and alumina.

尖晶石化合物丰富了镁和氧化铝。

Relying on the improved quality assurance system, advanced manufacturing technology, complete inspecting means and excellent service after sales, XXHM has provided tens of thousands of sets of key equipment for the industries of military, aviation, oil-refining, chemistry, fertilizer, alumina, iron and steel, mines, coking, city gas, natural gas, electricity and pharmacy.

多年来，公司始终坚持以产品质量求生存，以技术创新求发展，凭借完善的质量保证体系、先进的制造技术、齐全的检测手段、优质的售后服务为我国军工、航空、炼油、化工、化肥、氧化铝、钢铁、矿山、焦化、城市煤气、液化气、天然气、电力、医药等行业提供了上万台成套及关键设备。

New technologies of aluminium extraction from wide known kaolin rocks, high-alumina schists, anorthosites and some other non-bauxite raw materials have been elaborated in the Amur Scientific Centre FEB RAS.

在阿穆尔河科技研发中心，精心开发出了铝提取新技术，可以从广为人知的高岭土岩石、高氧化铝片岩、粒状火成岩和其它非氧化铝矿原材料中提取出铝。

Spinel is a compound of magnesia and alumina(Al2O3) and is thus a magnesium aluminate(MgAl2O4), found as accessories in igneous rocks, in metamorphosed aluminous schists, in contact metamorphosed limestones and sometimes in high temperature iore veins.

尖晶石主要成分是氧化镁和氧化铝，结晶习性是等轴晶系漂亮的正八面体。镁被铁置换就是铁尖晶石，被锌置换就是锌尖晶石，铁完全置换镁形成磁铁矿，铬置换铁尖晶石形成铬铁矿，这些类质同相的等轴晶系都是八面体结晶的尖晶石族矿物。

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