To evaluate the effects of the different amount of residual tooth on the fracture resistance ability of lower premolars restored with fiber quartz-fiber post-core and full crown.
评价不同牙体剩余量对石英纤维桩复合树脂核全冠修复下颌前磨牙抗折性能的影响。
Branson's one-person submersible is made from carbon fiber, titanium, and has a quartz viewing dome.
布兰森的一人潜水器是由碳素纤维、钛制成，并有一个石英观望圆顶。
Aiming at solving the detective problem of laser-induced plasma shock-wave underwater in small domain, a method of single mode quartz fiber probe has been studied on experiment preliminarily.
针对小范围内水下激光爆炸所产生的等离子体冲击波检测问题，对单模石英光纤探针探测方法进行了初步实验研究。
Conclusion The cytotoxicity of millimicron brucite fiber was obviously stronger than common brucite fiber, but much weaker than quartz dust.
结论纳米级水镁石纤维粉尘具有明显的细胞毒性，其细胞毒作用较普通水镁石纤维粉尘强，较石英粉尘弱。
This paper mainly discusses the research of a new-type quartz fiber spherical probe.
本文研制了一种实用化石英光纤球形头。
The Si—OH bond, impurity and phase interface are the important factors for the crystallization temperature of the quartz fiber to be lower than that of the quartz glass.
OH键、杂质以及界面等因素是石英纤维析晶温度低于石英玻璃的主要原因。
Quartz fiber has a better optical conductivity and stronger toughness, that reduces probability of artificial damage.
石英光纤导光性更好，韧性更强减少人为损坏可能性；
The total fiber sugar and quartz area parameter are characterized by the mid-branch.
纤维总糖量、晶区取向参数具有中段优势的空间分布特点；
There were many ways to achieve metallization of quartz optical fiber surface, and electroless plating was obviously superior to other methods.
石英光纤表面金属化有多种方法可以实现，化学镀的方法明显优于其他方法。
Using a multichannel quartz optical-fiber system calibrated with a standard tungsten strip lamp, the radial profiles of the visible bremsstrahlung radiation power in the HL-1 tokamak were measured.
采用经钨带灯标准光源标定的多道石英光纤光学系统，测量了HL-1装置等离子体可见光波段轫致辐射功率的径向分布。
We have observed a few nonlinear effects which have not been observed in general fusion quartz fiber before.
我们已观察到几种在普通石英光纤中不曾观察到的非线性效应。
The experiment study on cementation between fiber and concrete face plate was finished by using composite cementation material which was composed of EP_6A, cement and quartz sand.
采用ep—6a、水泥、石英砂调配的复合胶粘材料进行光纤与混凝土的胶结实验研究。
Using this procedure, the problem in the activation of quartz naked optical fiber surfaces can be easily solved.
在光纤表面粗化后增加热处理工序可以克服石英光纤表面难以活化的问题。
At present there still cannot find a more cheap fiber materials instead of steel fiber, through the rubble to substitute partly mixing quartz sand to reduce the cost of RPC become necessary.
在目前还不能通过寻找一种更为廉价的纤维材料来代替钢纤维的情况下，通过掺加碎石来替代部分石英砂，以达到降低RPC的造价成为必要。
Finally analysis of the traditional fiber filter quartz sand filter to change the feasibility of fiber filter system, to provide economic and technical information for the engineering sector.
文章最后分析了传统石英砂滤池改纤维滤池的可行性，希望能为工程界提供经济技术参考。
Finally analysis of the traditional fiber filter quartz sand filter to change the feasibility of fiber filter system, to provide economic and technical information for the engineering sector.
文章最后分析了传统石英砂滤池改纤维滤池的可行性，希望能为工程界提供经济技术参考。
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