瓷

These centers are capably staffed by dentists and graduate chemists, llurgists, ceramic engineers and laboratory technicians.

这些中心的职员由牙医、化学家、冶金专家、烤瓷工程师和实验技师组成。

A method for eliminating the internal oxide structure in the gas-phase carbon-nitrogen osmosis of gear features that the CCL4 is added to the kensene as carburizer and then is decomposed to generate Cl2 for reducing the oxide, the ammonia gas as nitrizing agen passes through the cylinder of silica gel or granular calcium chloride for adsorbing residual water vapour and then through the cylinder of 5A molecular sieve for adsorbing residual O2, and the resistance wire is wound on igniting pipe at furnace top to prevent the NH4Cl in exhausted gas from being condensed.

本方法采用在气体渗碳剂煤油中，加入6～8％的CCl 4 ，使共渗炉内的CCl 4 分解出新生的Cl 2 ，使已形成的合金元素内氧化物还原；在渗碳剂氨气入共渗炉前，先经过硅胶瓶或桶及粒状氯化钙瓶或桶过滤，吸附掉氨气中的残留水蒸汽，再经过5A分子筛瓶或桶吸附掉氨气中的残留氧；在靠近炉顶位置的点火管周围缠绕带瓷环的电阻丝，靠电阻丝的副带加热，使排气中的NH 4 Cl不冷凝结块等措施实现内氧化组织的消除。

Methods Orthodontic therapy was undertaken using straight-wire appliance, and then ceramic veneers were made in the treatment of 52 anterior teeth (21 patients),including malaligned teeth, rotated teeth, microdontia and diastema, partly with segmental defects and abnormal colors.

采用正畸直丝弓矫治技术和烤瓷贴面联合治疗52颗前牙（21例患者），包括错位、扭转、过小、牙间隙，或伴牙齿部分缺损、色泽异常。

Dealing with whether to keep or to rcmove activity tooth tissue valve of upper one third of rout diastema can be divided into experiment group and control group. Experiment group: keeping activity tooth tissue valve and restore it as told above. Control group: extracting activity tooth tissue valve. And then treat it in a routine way as root-canal therapy, restoration with baked-porcelain crown and metal crown.

对牙根上1/3纵裂的活动牙组织瓣的去、留分实验组和对照组，实验组：保留活动牙组织瓣，按上述方法修复；对照组：拔除活动牙组织瓣，常规根管治疗，桩钉固位，烤瓷冠或金属冠修复。

Oweing to the suitable coefficient of thermal expansion and refractive index of lithium disilicate crystals, lithium disilicate glass-ceramics could obtain high mechanical strength and translucent effect simultaneously, which show a brilliant future in dental aesthetic restorations. The purpose of the study was to investigate the effects of glass composition, content of P2O5 and heat treatment procedures on microstructure and properties of final glass-ceramic products.

二硅酸锂晶体具有适宜的热膨胀系数和光折射系数，与玻璃相能够达到良好的热力学和光学匹配，使得二硅酸锂玻璃陶瓷在具备较高机械性能的同时，仍能保持优秀的半透光特性，实现了高强度和美学效果的统一，在全瓷美学修复领域具有广阔的应用前景。

When I told my best friends, Liz and Chris, about my problem, Liz put me in touch with a local dollmaker who made doll heads, hands and feet of a ceramic10 that closely resembled the old porcelain ones.

当我把我的难题告诉我最好的朋友利兹和克里斯后，利兹帮我联系上了当地一个玩具娃娃制造商。她用陶土制作的娃娃头和手脚非常像过去的瓷娃娃。

Content, strong radiant heat resistance, thin-layer insulation, waterproofness, radiation resistance, strong tensile resistance and flexibility under all temperatures, as well as durableness and energy-saving.

经过不断努力，现已推广应用的&CC-100瓷层绝热节能液体材料涂层系统&和&纳米气凝胶保温毛毡&是开创现代科技领域应用的技术先锋，在国内外市场均引起广泛关注。

Its products are suitable for many industries such as pottery and porc elain ware for toilet sanitary ceramics, household china pottery and porcelain for daily use, glass-ceramic, powder metallurgy, rare earth chemical, magnetic material honeycomb ceramics, electric porcelain bridge and tile as well as structural ceramics.

业务涉及建筑卫生陶瓷、日用陶瓷、微晶玻璃、粉末冶金、稀土化工、新型建材、电瓷、技术结构陶瓷等多个行业。

Xi'an Electroceramic Research Institute,Xi'an 710077,China

西安电瓷研究所，陕西西安710077

LILING DONG FANG Electroceramic Co.Ltd was established in 2001, lying in the Yangdong Economic zone at the bank of LUJIANG RIVER.

湖南省醴陵市东方电瓷电器有限公司创建于2001年，地处美丽的渌江河畔，醴陵阳东经济工业区内。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。