The paint has excellent thermal insulation by heat reflection of boron modified hollow ceramic micro-sphere and radiation cooling of infrared radiation material.
通过硼改性中空陶瓷微珠的热反射作用以及红外辐射材料的幅射致冷作用，赋予该涂料优异的隔热性能。
2
The hollow lens duct is introduced for the application in the coupling of pump radiation from extended two dimensional semiconductor laser diode arrays into solid state laser gain media.
为了实现对介质的高效抽运，将空心透镜导管应用于大口径高功率激光二极管阵列耦合系统。
3
The invention discloses an embryo-reduction device, which comprises a puncture needle body and a signal-radiation plate, wherein the puncture needle body is in a hollow structure;