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- Objective:To investicate the failed protheses of anterior fixed metal ceramic bridge and resin-bonded bridge. 目的:研究金属烤瓷桥及粘接桥修复前牙缺失的失败病例,分析两种修复方式的优缺点及适应症。
- Cu - W based metallic ceramic guide hase developed by power metallurgy process. 采用粉末冶金方法研制出金属陶瓷导板。
- CIE_(1976) L~*a~*b~* color system and a digital camera and computer were selected to measure and compare characteristic of VITA shade guide and three types of metal ceramic restorations and those of repeated firings. 本实验应用CIE1976L~*a~*b~*颜色系统，采用高像素数码摄影及计算机处理技术，对三种金瓷修复体颜色进行测试，分析其颜色变化规律，并研究烧结次数对三种金瓷修复体的颜色影响，为临床上金瓷修复体准确比色提供参考。
- We have developed an engineering "eye safe" CO 2 laser rangefinder (LRF). It is based on a miniature metal ceramic TEA CO 2 laser operating at 10.6 micronmeters and CMT detector cooled by splitting close cycle Stirling. 已研制成功了一台由微机控制、采用小型金属陶瓷TEACO2激光器作光源、以分置式闭合循环Stirling机致冷CMT探测器的工程型人眼“安全”CO2激光测距机。
- Methods In the same condition,CIE1976L*a*b* color system,a digital camera,computer and a standard light source were selected to measure and compare the characteristics of A2 shade slice in the shade guide and three types of metal ceramic restorations. 方法应用CIE1976L*a*b*颜色系统,采用高像素数码摄影及计算机处理技术,在标准光源及相同条件下,采集了24件3种金瓷修复体与A2比色片的样本图片,测量、分析其色度值。
- Methods:CIE1976 L * a * b * color system and Minolta CR 100 spectrocolorimeter are selected to measure and compare the characteristic of the shade guide and metal ceramic restoration. 方法：选用 C I E1976 L? a? b?系统。 用美能达 C R－ 100 色度计，对我院口腔修复专业由同一位技师制作的部分前牙金瓷修复体及所选 V I T A 成品比色板上的比色片颜色进行测试，并对二者色度学规律、色度差异值进行统计分析。
- Methods:The color of 150 maxillary incisors and its metal ceramic restorations was measured by MinoltCR 321 chromaticity instrument(D65 daylight simulator inside),the color reproduction ratio was calculated with CIE 1976 L*a*b* system. 方法 :用美能达 CR- 32 1色差计 (D6 5光源 )以 CIE1976 - L* a* b*色度系统分别对 15 0个上颌中切牙及其金瓷修复体色度值进行测色、计算色彩复现率并进行统计。
- Metallized ceramic substrate modules, refrigeration film, ceramic pieces, ceramic pieces and metal welding, ozone film happen. 金属化陶瓷基片模块、制冷片、陶瓷件、陶瓷与金属焊接件、臭氧发生片。
- Preparation of metallic ceramic coatings by thermochemical reaction method has the advantages of simple process,low cost,very strong adhesion of coatings to metal surface. 热化学反应法制备金属基陶瓷涂层具有工艺简单、成本低廉、涂层与金属表面结合力特强等优点。
- East into ceramics (Yixing) Co., Ltd. is a professional engaged in special ceramics, precision ceramic and metal ceramic production and operation of high-tech enterprises. 东成陶瓷(宜兴)有限公司，是一家专业从事特种陶瓷、精密陶瓷和金属陶瓷生产经营的高新技术企业。
- A metal ceramics coat shall be lined on the inner cavity of valve by adopting plasma spraying technique. 采用等离子弧喷涂工艺,在阀门内腔衬一层金属陶瓷涂层,可延长阀门的使用时间。
- Therapeutic evaluation of residual corona and root renovation by metal ceramics crown in 90 cases. 用金属烤瓷冠修复残冠残根90例疗效评价
- The fabricating process of metallic ceramic coatings by thermochemical reaction method was studied.The phase structure and microstructure of the coatings were also investigated in this paper. 研究用热化学反应法在金属表面制备陶瓷涂层的工艺，并对涂层的相结构及显微组织进行分析。
- Methods A-mong the 202 cases with NPG alloys, nicked - chromiun alloys or metal ceramics dentures, the function and oudook of the dentures and the oral health were studied. 方法以修复体功能与外观及口内组织的健康情况为评价指标,观察202例分别用NPG合金、镍铬合金、金瓷冠桥修复的临床效果。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- Can I fasten these metal plates with rivets? 我可以用铆钉把这些金属板固定在一起吗？
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- The car was now just a pile of twisted metal. 那辆汽车已经成了一堆压缩的废铁了。
- The metal basin clattered down the stone stairs. 金属盆子沿着石阶滚了下去，发出咣啷声。
- Aluminum is a kind of light silvery metal. 铝是一种轻薄并呈银色的金属。
