近年来，氮化镓基led在发光效率上有很大的进展，不过在静电防护上却还有很大的改善空间。
In recent years, there is a large improvement on the luminous efficiency of LEDs. However, there are some problems in LED ESD protection.
防护措施必须使感染效率下降85 %以上，才能使医院内传播的基本繁殖率降至临界值以下。
It is necessary to drop the infection efficiency by over 85% through protection measures for reducing the basic reproduction rate below the critical level.
结果经铅玻璃防护屏和铅防护服进行双重防护后，其屏蔽效率达到95%，可显著减少X射线的辐射量；
Results The shielding efficacy was 95% by the lead glass and plumbic suit double protection, the X ray radiation was reduced markedly.
对检测效率和实用效率之间的差别以及检测生物防护用过滤器所应注意的问题进行了讨论。
The differences between efficiency of test and practical efficiency and the aspects needed to be considered when testing filter for bio-protection are discussed at the end.
通过实验说明了超细合成纤维滤料具有极佳的过滤效率和低阻力，是生产防SARS医用防护口罩、防护服及正压过滤器的理想滤材。
Super fine fiber have excellent filter efficiency and low resistance, it is ideal filter materials in producing medical protective mask, protective clothes and positive pressure fi…
通过实验说明了超细合成纤维滤料具有极佳的过滤效率和低阻力，是生产防sars医用防护口罩、防护服及正压过滤器的理想滤材。
Super fine fiber have excellent filter efficiency and low resistance, it is ideal filter materials in producing medical protective mask, protective cl...
该系统的默认选项是中低工作效率下具有中等筒式防护能力的防毒面具，使用这种默认值， 可对防毒面具的各项合适性测试（指标）进行相互比较。
Use of system default values, which were selected to represent respirator wear with medium cartridge resistance at a low-moderate work rate, will allow inter-test comparison of the respirator fit.
为解决现有非线性材料的非线性不能达到有效激光防护效果的问题，我们又研究了串列光限幅器件及浓度剃度光限幅器件的光限幅效率的影响因素。
But to date no materials have exhibited strong enough nonlinear response to protect sensitive optical elements from laser-induced damage. , we researched the Graded Density Limiter and Tandem limiter.
为解决现有非线性材料的非线性不能达到有效激光防护效果的问题，我们又研究了串列光限幅器件及浓度剃度光限幅器件的光限幅效率的影响因素。
But to date no materials have exhibited strong enough nonlinear response to protect sensitive optical elements from laser-induced damage. , we researched the Graded Density Limiter and Tandem limiter.
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