| 1. | Testing method for chemical durabilities of fluoride glasses 氟化玻璃化学稳定性的测试方法 |
| 2. | 2 . the factors that affect the chemical durability of na2o4teo2 glass in air are identified 认清了na _ 2o ? 4teo _ 2玻璃与空气中的水气发生反应的条件。 |
| 3. | Test methods for properties of structure ceramic used in electronic components - test method for chemical durability 电子元器件结构陶瓷材料性能测试方法化学稳定性测试方法 |
| 4. | Nuclear energy - soxhlet - mode chemical durability test - application to vitrified matrixes for high - level radioactive waste 核能.索格利特式耐化学性试验.高放射性废弃物用陶瓷玻化容器 |
| 5. | Pct standard test methods for determining chemical durability of nuclear , hazardous , and mixed waste glasses and multiphase glass ceramics : the product consistency test 确定核废物和混合废弃玻璃及多相玻璃陶瓷耐化学性能的标准试验方法:产品一致性试验 |
| 6. | 6 . the density , chemical durability in water , and stability against crystallization of glasses in the na2o - teo2 system are explored and the fragility of glass forming liquid is studied 研究了nazo一teo :系统中不同成分对玻璃密度,化学稳定性,玻璃的抗析晶能力,以及玻璃形成液体的脆性等性能的影响。 |
| 7. | In addition to availability of raw materials , other factors narrowing the choice of composition are glass color , workability , meltability , and sometimes , chemical durability of the glass 除了原材料的可获得性以外,其他因素也限制了玻璃组分的选择,如玻璃颜色、可加工性和可熔性,在某些时候,还需考虑玻璃的化学耐久性能。 |
| 8. | Much attention has been paid on pure or doped zirconia thin films because of their high melting point , low heat conductivity , high ionic conductivity and chemical durability . in the case of metal - oxide - semiconductor ( mos ) devices and high - temperature superconductor ( hts ) wires , zirconia epitaxial thin films are promising buffer layers and have been intensely studied in the past two decades 纯的或掺杂的氧化锆薄膜因其高熔点、低热导率、高离子导电能力和高温化学稳定性而受到相当的重视,而且氧化锆外延薄膜在金属氧化物半导体( mos ) 、高温超导带材等领域的应用受到越来越多的关注。 |
| 9. | In the present dissertation , some properties of sodium tellurite glasses , including density , chemical durability , stability against crystallization and fragility of glass forming liquid are studied . the melting , evaporation and solidification of sodium tellurite glasses in low gravity during drop shaft experiments are observed . except this , the phase - separation of lead borate glasses under different gravity condition is also studied 本文亚碲酸钠玻璃作为研究对象,系统探索了亚碲酸钠玻璃的熔化条件,化学稳定性,玻璃抗析晶能力以及玻璃形成液体的脆性等问题,着重研究了na _ 2o - teo _ 2玻璃在落塔实验中的熔化和气化以及pbo - b _ 2o _ 3玻璃在落塔实验中的分相,为解释玻璃在不同重力条件下的熔化和分相等现象提供了理论依据。 |
| 10. | Results show that both the density and the chemical durability of glasses decrease with the increase of na2o content . on the other hand , the stability against crystallization of glasses increases gradually with the increase of na2o content . glasses containing 20 ~ 25mol % na2o have the strongest stability against crystallization . the glass forming liquid in the na2o - teo2 system is moderate fragile and the fragility of glass forming liquid increases with t 该系统玻璃的抗析晶能力和玻璃形成能力与试样的成分有很大关系,随着成分中氧化钠含量的升高,玻璃的抗析晶能力和玻璃形成能力则逐渐升高,当氧化钠含量在20一25mol %之间时,玻璃的抗析晶能力和玻璃形成能力最强。 |