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an inconvenience of prism couplers is that the prism material must have a high refractive index . 棱镜耦合器的一个不方便的地方是棱镜材料必须有较高的折射率。
- For many purposes, however, the above description is quite adequate in explaining the major features of the prism coupler .
- Kodak company describe the use of a solvent-stabilizer system comprising a class of sterically hindered phenols acting both as coupler solvent and stabilizer .
the mixture is coated on film base giving silver, coupler and gelatin spreads of 150, 40 and 425 mg/ dry weight respectively. 混合液涂在片基上，其银，成色剂和明胶涂布的干重量，每平方英尺分别为150，40和425毫克。
- It is interesting to observe that the principle of operation for the "prism" coupler of fig. 3. 22b is being considered for extracting the output from lasers of the mesa type .
- a mechanical device that serves to connect the ends of adjacent objects