The development and application of chalcogenide glasses as an IR transmitting material with high performance have long been impeded by insufficient degree of purity present in glasses.
高性能透红外硫系玻璃材料的开发和应用在很大程度上受到杂质对透过性能影响的制约。
The relation between sound velocity and syntonic frequency is gained by analyzing the ultrasound transmitting in thin material.
对薄型材料中超声波传播规律进行分析，得到材料声速与共振频率的关系。
Information work construction is to strengthen with effort the construction of material and information work, including collecting, storing and transmitting intelligence against organized crimes.
大力加强情报资料工作的建设的构想包括反黑情报的机构、情报收集、情报存储、情报传递等。
Inner compound metal pipe is used for the transmitting of liquid medium, it is not only prevent the harmful medium from corrosion of the pipe, but also save lots of metal material and reduce the cost.
内复合双金属复合管，用在流体输送中既有效的防止流体中有害介质对管道的腐蚀，又节约了大量的贵金属材料，从而降低了成本。
Fluorogallate glass is a favorable kind of material for optical fiber lasers with transmitting infrared light at longer wavelength and lower phonon energy.
含镓氟化物玻璃具有较其它氟化物玻璃更宽的红外透过范围和更低的声子能量，显示出其是一种优质的激光基质材料。
Compared with them, USB is used widely in each field because of its many merits, such as transmitting at a high speed, plug-and-play, and when developed, it costs less manpower and material resources.
相比之下，USB总线具有通用、高速传输、支持热插拔、即插即用、开发成本低等优点，在各个领域得到广泛应用。
This article analysis the hic and its characteristic of the pipeline transmitting high H2S Petroleum and Gas, and the environment factor and material factor which affect the hic.
分析了输送高湿含硫化氢较高的石油天然气管线钢管的氢致裂纹(HIC)现象及特点，以及影响HIC的环境因素和材料因素。
The invention is used for transmitting bulk material.
本发明用于散装物料输送。
The entrance and the outlet also can be connected with the material transmitting channels directly in order to realize sealing detection.
所述上端喇叭状物料入口、下端收缩状物料出口还可以直接与进出料输送管道连接，以实现密封检测。
Based on the starch as the base material and supplemented by paper fiber, the invention has high strength and reduces possibilities of impacting the bottom when transmitting;
本发明材料以淀 粉为基料，辅以纸纤维，强度高，减少了发射时冲底的可能性；
Based on the starch as the base material and supplemented by paper fiber, the invention has high strength and reduces possibilities of impacting the bottom when transmitting;
本发明材料以淀 粉为基料，辅以纸纤维，强度高，减少了发射时冲底的可能性；
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